PROTOLON (SM-R)-LWL AWG (N)TSKCGEW\u00d6U 15 kV: c\u00e1p tang cu\u1ed1n trung th\u1ebf 15 kV c\u1ee1 AWG t\u00edch h\u1ee3p s\u1ee3i quang cho m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container v\u00e0 m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u \u2013 con s\u1ed1 n\u00e0o quy\u1ebft \u0111\u1ecbnh khi ch\u1ecdn c\u00e1p ch\u1ecbu k\u00e9o, ch\u1ecbu xo\u1eafn v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n, v\u00e0 c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u c\u1ee7a FeiChun cho c\u00e1p m\u1ecf ch\u1ecbu u\u1ed1n, k\u00e9o v\u00e0 m\u00e0i m\u00f2n<\/title><style>:root{--bg:#0a1014;--p:#101a1e;--p2:#16262c;--ink:#eef6f8;--muted:#9cc0cc;--line:#2a4650;--c:#38c8e8;--g:#5fd88a;--s:#e8c37b;--r:#ff777f;--fo:#ffb454}\n*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px Arial,Helvetica,sans-serif;line-height:1.68}\n.wrap{max-width:1840px;margin:auto;padding:0 28px}a{color:var(--c)}a:focus-visible{outline:2px solid var(--s);outline-offset:2px}\n.doc-header{padding:68px 0 64px;background:radial-gradient(circle at 10% 5%,rgba(56,200,232,.22),transparent 33%),radial-gradient(circle at 90% 8%,rgba(255,180,84,.16),transparent 33%),linear-gradient(135deg,#0a1014,#1c1814)}\n.doc-header .container{text-align:center}.doc-header h1,.doc-header p{max-width:960px;margin-left:auto;margin-right:auto}\nh1{font-size:34px;line-height:1.18;margin:18px auto 20px}h2{margin-top:52px;border-left:7px solid var(--c);padding-left:15px;line-height:1.2}\n.lead{font-size:20px;color:#e6f4f8}.badges{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:14px}\n.badge{background:#0e1a1e;border:1px solid var(--line);border-radius:22px;padding:8px 13px;font-weight:bold}\n.card,.note,.warn,.provenance{background:var(--p);border:1px solid var(--line);border-radius:10px;padding:18px;margin:13px 0}\n.note{border-left:7px solid var(--c)}.warn{border-left:7px solid var(--r)}.provenance{border-left:7px solid var(--fo);background:#20180f}\n.toc{background:var(--p);border:1px solid var(--line);padding:20px;border-left:7px solid var(--c);margin-top:24px}.toc ol{columns:2}\n.scroll{overflow-x:auto;margin:18px 0}table{width:100%;border-collapse:collapse;background:#0e1a1e}\ncaption{text-align:left;color:var(--s);font-weight:bold;padding:8px 0}th,td{border:1px solid var(--line);padding:8px 9px;vertical-align:top}\nth{background:var(--p2)}td:first-child{color:var(--s);font-weight:bold}table.data td:first-child{color:var(--c)}\n.svg{border:1px solid var(--line);padding:10px;background:#0e1a1e;margin:22px 0;border-radius:8px}.svg svg{width:100%;height:auto;display:block}\n.svg-caption{color:var(--muted);font-size:14px;padding:8px 4px 2px}.tag{color:var(--s);font-weight:bold}\n.imgcap{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:20px 0}\n.imgcap figure{margin:0;background:var(--p);border:1px solid var(--line);border-radius:10px;overflow:hidden}.imgcap svg{width:100%;height:190px;display:block}\n.imgcap figcaption{padding:10px 13px;font-size:13.5px;color:var(--muted)}\n.formula{background:#0e1a1e;border:1px solid var(--line);border-left:7px solid var(--s);border-radius:8px;padding:14px 18px;margin:14px 0;font-family:Consolas,monospace;overflow-x:auto}\n.certbanner{background:linear-gradient(135deg,#0f2a30,#14231a);border:1px solid var(--g);border-radius:12px;padding:20px 22px;margin:18px 0}.certbanner h3{margin-top:0;color:var(--g)}\n.certgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin:18px 0}\n.certchip{background:#0e1a1e;border:1px solid var(--line);border-radius:8px;padding:12px 14px}.certchip:before{content:\"\";display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--g);margin-right:10px}\n.contact{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.contact div{background:#0e1a1e;border:1px solid var(--line);padding:15px}\nsup.ref-n{color:var(--c);font-weight:bold}ol.refs{font-size:14px;color:var(--muted)}.small{font-size:12px;color:#7fa4b0}\nfooter{margin-top:50px;background:#080e10;padding:32px 0}\n@media(max-width:800px){h1{font-size:24px}.toc ol{columns:1}.contact{grid-template-columns:1fr}.wrap{padding:0 16px}.lead{font-size:17px}}<\/style><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"TechArticle\", \"headline\": \"PROTOLON (SM-R)-LWL AWG (N)TSKCGEW\u00d6U 15 kV: c\u00e1p tang cu\u1ed1n trung th\u1ebf 15 kV c\u1ee1 AWG t\u00edch h\u1ee3p s\u1ee3i quang \u2013 con s\u1ed1 n\u00e0o quy\u1ebft \u0111\u1ecbnh khi ch\u1ecdn cho m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container v\u00e0 m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u\", \"inLanguage\": \"vi\", \"dateModified\": \"2026-10-10\", \"publisher\": {\"@type\": \"Organization\", \"name\": \"Anhui FeiChun Special Cable Co., Ltd.\"}}<\/script><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"PROTOLON (SM-R)-LWL AWG (N)TSKCGEW\u00d6U 15 kV l\u00e0 lo\u1ea1i c\u00e1p g\u00ec?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"C\u00e1p tang cu\u1ed1n trung th\u1ebf di \u0111\u1ed9ng 15 kV: ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc s\u1ee3i r\u1ea5t m\u1ea3nh (class FS), c\u00e1ch \u0111i\u1ec7n EPR c\u00f3 l\u1edbp b\u00e1n d\u1eabn trong v\u00e0 ngo\u00e0i, ba l\u00f5i c\u00f4ng su\u1ea5t 4 \u2013 4\/0 AWG c\u00f9ng d\u00e2y PE t\u00e1ch m\u1ed9t ho\u1eb7c hai, d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba v\u00e0 ph\u1ea7n t\u1eed quang (G62,5, G50 ho\u1eb7c E9), v\u1ecf trong PCP 5GM3, b\u1ec7n polyester, v\u1ecf ngo\u00e0i PCP 5GM5 v\u1edbi b\u1ec1 d\u00e0y theo ICEA. D\u00f9ng cho tang m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, c\u1ea9u g\u1ed7, m\u00e1y d\u1ee1 v\u00e0 x\u1ebfp t\u00e0u; th\u1eed 29 kV, k\u00e9o 20 N\/mm\u00b2 t\u0129nh v\u00e0 30 N\/mm\u00b2 \u0111\u1ed9ng, xo\u1eafn \u00b125 \u00b0\/m.\"}}, {\"@type\": \"Question\", \"name\": \"3\u00d74\/0 AWG t\u01b0\u01a1ng \u0111\u01b0\u01a1ng bao nhi\u00eau mm\u00b2? AWG sang mm\u00b2 cho c\u00e1p tang cu\u1ed1n?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"4\/0 AWG l\u00e0 107,2 mm\u00b2; 3\/0 AWG 85,0; 2\/0 AWG 67,4; 1\/0 AWG 53,5; 1 AWG 42,4; 2 AWG 33,6; 4 AWG 21,2 mm\u00b2. Ch\u1ec9 2 AWG \u2248 35 mm\u00b2, 1\/0 AWG \u2248 50 mm\u00b2 v\u00e0 2\/0 AWG \u2248 70 mm\u00b2 g\u1ea7n v\u1edbi c\u1ee1 m\u00e9t; c\u00e1c c\u1ee1 c\u00f2n l\u1ea1i n\u1eb1m gi\u1eefa hai c\u1ee1 m\u00e9t (ch\u00eanh 4 \u2013 15 %), n\u00ean ph\u1ea3i ki\u1ec3m tra l\u1ea1i d\u00f2ng v\u00e0 l\u1ef1c k\u00e9o khi thay th\u1ebf.\"}}, {\"@type\": \"Question\", \"name\": \"L\u1ef1c k\u00e9o cho ph\u00e9p v\u00e0 chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng t\u1ed1i \u0111a?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"L\u1ef1c k\u00e9o 20 N\/mm\u00b2 t\u0129nh v\u00e0 30 N\/mm\u00b2 \u0111\u1ed9ng tr\u00ean t\u1ed5ng ti\u1ebft di\u1ec7n ba ru\u1ed9t pha: t\u1eeb 1 270 N (3\u00d74 AWG) \u0111\u1ebfn 6 430 N (3\u00d74\/0 AWG) t\u0129nh. V\u1edbi kh\u1ed1i l\u01b0\u1ee3ng 5,1 \u2013 11,6 kg\/m, chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng ch\u1ec9 kho\u1ea3ng 25 \u2013 57 m v\u00e0 k\u00e9o l\u00ea (\u03bc = 0,6) kho\u1ea3ng 42 \u2013 95 m; tuy\u1ebfn treo d\u00e0i c\u1ea7n \u0111\u1ee1 theo \u0111o\u1ea1n ho\u1eb7c bi\u1ebfn th\u1ec3 c\u00f3 l\u00f5i \u0111\u1ee1 aramid.\"}}, {\"@type\": \"Question\", \"name\": \"B\u00e1n k\u00ednh u\u1ed1n, l\u00f5i tang t\u1ed1i thi\u1ec3u v\u00e0 kho\u1ea3ng c\u00e1ch \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"B\u00e1n k\u00ednh 6\u00d7D khi c\u1ed1 \u0111\u1ecbnh, 10\u00d7D khi chuy\u1ec3n \u0111\u1ed9ng v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hai l\u1ea7n \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S t\u1ed1i thi\u1ec3u 20\u00d7D (VDE 0298-3). V\u00ed d\u1ee5 3\u00d71\/0 AWG (\u00d8 l\u1edbn nh\u1ea5t 70,9 mm): R chuy\u1ec3n \u0111\u1ed9ng 709 mm, l\u00f5i tang t\u1ed1i thi\u1ec3u 1 418 mm, kho\u1ea3ng c\u00e1ch ch\u1eef S 1 418 mm; \u1edf 3\u00d74\/0 AWG (84,8 mm) l\u00e0 848 mm, 1 696 mm v\u00e0 1 696 mm.\"}}, {\"@type\": \"Question\", \"name\": \"T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a c\u00e1p tr\u00ean tang l\u00e0 bao nhi\u00eau?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Datasheet ghi t\u1ed1c \u0111\u1ed9 ch\u1ea1y gi\u00e0n (cu\u1ed1n tang) kh\u00f4ng h\u1ea1n ch\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb h\u1ecfi nh\u00e0 s\u1ea3n xu\u1ea5t khi tr\u00ean 240 m\/ph\u00fat (4 m\/s). \u0110\u00e2y l\u00e0 gi\u00e1 tr\u1ecb h\u01b0\u1edbng d\u1eabn: datasheet kh\u00f4ng c\u00f4ng b\u1ed1 s\u1ed1 chu k\u1ef3 u\u1ed1n, n\u00ean c\u1ea7n h\u1ecfi h\u00e3ng theo b\u00e1n k\u00ednh, gia t\u1ed1c v\u00e0 h\u00e0nh tr\u00ecnh th\u1ef1c.\"}}, {\"@type\": \"Question\", \"name\": \"D\u00f2ng cho ph\u00e9p khi c\u00e1p qu\u1ea5n nhi\u1ec1u l\u1edbp tr\u00ean tang: d\u00f9ng h\u1ec7 s\u1ed1 VDE hay ICEA?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"D\u00f2ng trong datasheet (132 \u2013 364 A) l\u00e0 d\u00f2ng theo VDE 0298-4 \u0111\u1eb7t t\u1ef1 do \u1edf 30 \u00b0C. VDE 0298-4 cho h\u1ec7 s\u1ed1 tang 0,80, 0,61, 0,49, 0,42 cho m\u1ed9t \u0111\u1ebfn b\u1ed1n l\u1edbp; ICEA d\u00f9ng 0,85, 0,65, 0,45, 0,35. MSHA kh\u00f4ng \u00e1p h\u1ec7 s\u1ed1 tang khi x\u00e9t ch\u1ea5p thu\u1eadn m\u00e0 \u0111\u00e1nh gi\u00e1 theo chu k\u1ef3 t\u1ea3i trung b\u00ecnh. V\u00ed d\u1ee5 3\u00d74\/0 AWG \u1edf b\u1ed1n l\u1edbp c\u00f2n 153 A (VDE) ho\u1eb7c 127 A (ICEA); \u1edf m\u00f4i tr\u01b0\u1eddng 60 \u00b0C c\u1ea7n nh\u00e2n th\u00eam 0,707.\"}}, {\"@type\": \"Question\", \"name\": \"S\u1ee3i quang trong c\u00e1p: lo\u1ea1i n\u00e0o, suy hao bao nhi\u00eau v\u00e0 ch\u1ea1y \u0111\u01b0\u1ee3c Ethernet bao xa?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Ba lo\u1ea1i: G62,5\/125 (d\u01b0\u1edbi 3,3 dB\/km \u1edf 850 nm), G50\/125 (d\u01b0\u1edbi 2,8 dB\/km \u1edf 850 nm) v\u00e0 E9\/125 \u0111\u01a1n mode (d\u01b0\u1edbi 0,4 dB\/km \u1edf 1 310 nm, d\u01b0\u1edbi 0,3 dB\/km \u1edf 1 550 nm). \u0110a mode cho 1000BASE-SX t\u1edbi 275 \u2013 550 m nh\u01b0ng 10GBASE-SR ch\u1ec9 33 \u2013 300 m tu\u1ef3 OM; tuy\u1ebfn d\u00e0i ho\u1eb7c 10 Gb\/s n\u00ean d\u00f9ng \u0111\u01a1n mode E9 (10GBASE-LR t\u1edbi 10 km).\"}}, {\"@type\": \"Question\", \"name\": \"C\u00e1p c\u00f3 d\u00f9ng \u0111\u01b0\u1ee3c cho x\u00edch d\u1eabn c\u00e1p, festoon ho\u1eb7c k\u00e9o l\u00ea kh\u00f4ng?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Datasheet ch\u1ec9 li\u1ec7t k\u00ea c\u00e1c tang. C\u00e1p n\u1eb7ng 5,1 \u2013 11,6 kg\/m, \u00d8 58 \u2013 85 mm, R \u2265 10\u00d7D (616 \u2013 848 mm) n\u00ean x\u00edch d\u1eabn c\u00e1p v\u00e0 festoon c\u1ea7n h\u00e3ng x\u00edch v\u00e0 h\u00e3ng c\u00e1p x\u00e1c nh\u1eadn b\u1eb1ng v\u0103n b\u1ea3n; k\u00e9o l\u00ea tr\u00ean n\u1ec1n ho\u1eb7c \u0111\u00e1 c\u1ea7n c\u00e1p k\u00e9o l\u00ea v\u1ecf d\u00e0y (Type 240 \/ 275, TENAX-PUR c\u1ee7a FeiChun).\"}}, {\"@type\": \"Question\", \"name\": \"Kh\u00e1c g\u00ec PROTOLON (M) R LWL 6\/10 kV, SMK, FL v\u00e0 TRATOSFLEX?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"(M) R LWL 6\/10 kV: 20\/25 N\/mm\u00b2, xo\u1eafn \u00b1100 \u00b0\/m, 120 m\/ph\u00fat, d\u00e0nh cho m\u00e1y l\u1ed9 thi\u00ean. C\u00e1p 15 kV AWG n\u00e0y c\u00f9ng c\u1ea5p k\u00e9o v\u00e0 xo\u1eafn v\u1edbi h\u1ecd SMK (20\/30 N\/mm\u00b2, \u00b125 \u00b0\/m). FL l\u00e0 c\u00e1p d\u1eb9t 15 N\/mm\u00b2, kh\u00f4ng cho xo\u1eafn, 120 m\/ph\u00fat. TRATOSFLEX-ESDB 3\u00d725 8,7\/15 kV n\u00eau 40 \/ 55 N\/mm\u00b2 v\u00e0 b\u00e1n k\u00ednh 12\u00d7\u00d8. S\u1ed1 li\u1ec7u t\u1eeb c\u00e1c h\u00e3ng kh\u00e1c nhau kh\u00f4ng so tr\u1ef1c ti\u1ebfp.\"}}, {\"@type\": \"Question\", \"name\": \"V\u1ecf PCP, CPE hay PUR: ch\u1ecdn th\u1ebf n\u00e0o cho c\u1ea3ng nhi\u1ec7t \u0111\u1edbi v\u00e0 m\u1ecf?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PCP 5GM5 b\u1ec1n c\u01a1 h\u1ecdc, ch\u1ecbu d\u1ea7u, ozone, UV, n\u01b0\u1edbc bi\u1ec3n nh\u01b0ng ch\u1ee9a clo v\u00e0 h\u00fat \u1ea9m 1,5 \u2013 3 % theo FeiChun. CPE nhi\u1ec7t \u0111\u1edbi h\u00f3a h\u00fat n\u01b0\u1edbc d\u01b0\u1edbi 0,5 %, ch\u1ecbu axit t\u1edbi pH 2,5. PUR g\u1ed1c polyether h\u00fat \u1ea9m d\u01b0\u1edbi 0,8 %, d\u1ebbo t\u1edbi \u221250 \u00b0C v\u00e0 b\u1ec1n th\u1ee7y ph\u00e2n, \u0111\u1ed5i l\u1ea1i ph\u1ea3i c\u00f3 ph\u1ee5 gia \u0111\u1ec3 gi\u1eef \u0111\u1ed9 b\u1ec1n x\u00e9 v\u00e0 m\u00e0i m\u00f2n. H\u00e3y y\u00eau c\u1ea7u ISO 4649, \u0111\u1ed9 b\u1ec1n x\u00e9, h\u00fat \u1ea9m v\u00e0 lo\u1ea1i polyol c\u1ee7a \u0111\u00fang v\u1ecf.\"}}, {\"@type\": \"Question\", \"name\": \"C\u00f4ng ngh\u1ec7 c\u1ee7a FeiChun gi\u00fap g\u00ec cho c\u00e1p ch\u1ecbu u\u1ed1n, k\u00e9o v\u00e0 m\u00e0i m\u00f2n?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"FeiChun c\u00f4ng b\u1ed1 t\u1ef1 pha ch\u1ebf h\u1ee3p ch\u1ea5t PUR, CPE, EPR t\u1eeb nguy\u00ean li\u1ec7u g\u1ed1c, ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc class 5, ph\u1ea7n t\u1eed aramid, b\u1ec7n ch\u1ed1ng xo\u1eafn, EPR li\u00ean k\u1ebft ngang silane (tr\u00ean 90 % \u0111i\u1ec7n m\u00f4i sau 1 000 h \u1edf 90 \u00b0C), PUR polyether h\u00fat \u1ea9m d\u01b0\u1edbi 0,8 %, CPE h\u00fat n\u01b0\u1edbc d\u01b0\u1edbi 0,5 %, s\u1ee3i tr\u01b0\u01a1ng n\u1edf ch\u1eb7n n\u01b0\u1edbc v\u00e0 ki\u1ec3m so\u00e1t \u0111\u00f9n v\u00f2ng k\u00edn. C\u00e1c s\u1ed1 li\u1ec7u hi\u1ec7n tr\u01b0\u1eddng (Lihir, Kalimantan) l\u00e0 c\u00f4ng b\u1ed1 c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t cho c\u00e1p k\u00e9o l\u00ea Type 275; c\u1ea5u t\u1ea1o v\u00e0 s\u1ed1 li\u1ec7u th\u1eed ch\u00ednh th\u1ee9c ph\u1ea3i l\u1ea5y t\u1eeb b\u1ea3ng d\u1eef li\u1ec7u theo \u0111\u00fang m\u00e3.\"}}, {\"@type\": \"Question\", \"name\": \"Ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun g\u1ed3m nh\u1eefng g\u00ec?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Theo th\u00f4ng tin c\u1ee7a FeiChun: CE, UKCA, VDE, EAC, ATEX, IECEx v\u00e0 ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u00e1y c\u1ee7a Nga. C\u1ea7n xin b\u1ea3n sao theo \u0111\u00fang m\u00e3 c\u00e1p, d\u1ea3i \u0111i\u1ec7n \u00e1p, ti\u1ebft di\u1ec7n v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c; UL file E251483 v\u00e0 MSHA P-189-4 trong datasheet l\u00e0 h\u1ed3 s\u01a1 c\u1ee7a c\u00e1p Prysmian, kh\u00f4ng ph\u1ea3i ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun.\"}}]}<\/script><\/head><body>\n<header class=\"doc-header\"><div class=\"container wrap\"><div class=\"tag\">FEICHUN CABLE \u00b7 B\u00c0I K\u1ef8 THU\u1eacT<\/div><h1>PROTOLON (SM-R)-LWL AWG (N)TSKCGEW\u00d6U 15 kV: c\u00e1p tang cu\u1ed1n trung th\u1ebf 15 kV c\u1ee1 AWG t\u00edch h\u1ee3p s\u1ee3i quang cho m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container v\u00e0 m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u \u2013 con s\u1ed1 n\u00e0o quy\u1ebft \u0111\u1ecbnh khi ch\u1ecdn c\u00e1p ch\u1ecbu k\u00e9o, ch\u1ecbu xo\u1eafn v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n, v\u00e0 c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u c\u1ee7a FeiChun cho c\u00e1p m\u1ecf ch\u1ecbu u\u1ed1n, k\u00e9o v\u00e0 m\u00e0i m\u00f2n<\/h1><p class=\"lead\">B\u00e0i vi\u1ebft ph\u00e2n t\u00edch c\u00e1p tang cu\u1ed1n trung th\u1ebf 15 kV c\u00e1ch \u0111i\u1ec7n EPR c\u00f3 l\u1edbp b\u00e1n d\u1eabn, v\u1ecf polychloroprene gia c\u01b0\u1eddng b\u1ec7n polyester v\u00e0 ph\u1ea7n t\u1eed quang t\u00edch h\u1ee3p, ki\u1ec3m tra b\u1eb1ng t\u00ednh to\u00e1n c\u00e1c th\u00f4ng s\u1ed1 trong datasheet (\u0111\u1ed5i AWG sang mm\u00b2, l\u1ef1c k\u00e9o v\u00e0 chi\u1ec1u d\u00e0i treo, b\u00e1n k\u00ednh u\u1ed1n v\u00e0 l\u00f5i tang, d\u00f2ng theo nhi\u1ec7t \u0111\u1ed9 v\u00e0 s\u1ed1 l\u1edbp tang theo VDE 0298-4 so v\u1edbi ICEA, s\u1ee5t \u00e1p, ng\u1eafn m\u1ea1ch, \u0111i\u1ec7n \u00e1p th\u1eed, qu\u1ef9 suy hao quang v\u00e0 t\u1ea7m v\u1edbi Ethernet), \u0111\u1ed1i chi\u1ebfu v\u1edbi PROTOLON (M) R LWL 6\/10 kV, SMK, FL v\u00e0 c\u00e1c c\u00e1p tang cu\u1ed1n c\u1ee7a h\u00e3ng kh\u00e1c, ph\u00e2n \u0111\u1ecbnh ranh gi\u1edbi s\u1eed d\u1ee5ng (tang, m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u, x\u00edch d\u1eabn c\u00e1p, k\u00e9o l\u00ea, \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S), tr\u00ecnh b\u00e0y c\u00f4ng ngh\u1ec7 h\u1ee3p ch\u1ea5t t\u1ef1 pha ch\u1ebf, ru\u1ed9t m\u1ea1 thi\u1ebfc, ch\u1ed1ng xo\u1eafn, tropical h\u00f3a v\u00e0 ki\u1ec3m so\u00e1t s\u1ea3n xu\u1ea5t c\u1ee7a FeiChun cho c\u00e1p m\u1ecf ch\u1ecbu k\u00e9o, ch\u1ecbu u\u1ed1n v\u00e0 m\u00e0i m\u00f2n, v\u00e0 n\u00eau danh m\u1ee5c h\u1ed3 s\u01a1 c\u1ea7n y\u00eau c\u1ea7u, g\u1ed3m b\u1ed9 ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun.<\/p><div class=\"badges\"><span class=\"badge\">15 kV (U = 15 000 V)<\/span><span class=\"badge\">Th\u1eed 29 kV<\/span><span class=\"badge\">3 ru\u1ed9t 4 \u2013 4\/0 AWG (21 \u2013 107 mm\u00b2)<\/span><span class=\"badge\">EPR + b\u00e1n d\u1eabn trong v\u00e0 ngo\u00e0i<\/span><span class=\"badge\">V\u1ecf PCP 5GM5 (PROTOFIRM)<\/span><span class=\"badge\">B\u1ec7n polyester<\/span><span class=\"badge\">K\u00e9o 20 N\/mm\u00b2 t\u0129nh \u00b7 30 N\/mm\u00b2 \u0111\u1ed9ng<\/span><span class=\"badge\">Xo\u1eafn \u00b125 \u00b0\/m<\/span><span class=\"badge\">Tang: kh\u00f4ng h\u1ea1n ch\u1ebf t\u1ed1c \u0111\u1ed9<\/span><span class=\"badge\">R u\u1ed1n 10\u00d7D \u00b7 ch\u1eef S 20\u00d7D<\/span><span class=\"badge\">Chuy\u1ec3n \u0111\u1ed9ng \u221235 \u2026 +60 \u00b0C<\/span><span class=\"badge\">S\u1ee3i quang G62,5 \u00b7 G50 \u00b7 E9<\/span><span class=\"badge\">FeiChun: CE \u00b7 UKCA \u00b7 VDE \u00b7 EAC \u00b7 ATEX \u00b7 IECEx<\/span><\/div><\/div><\/header>\n<main class=\"wrap\">\n<div class=\"provenance\"><strong>Ngu\u1ed3n d\u1eef li\u1ec7u.<\/strong> C\u1ea5u t\u1ea1o, th\u00f4ng s\u1ed1 \u0111i\u1ec7n \u2013 c\u01a1 \u2013 quang v\u00e0 b\u1ea3ng k\u00edch th\u01b0\u1edbc l\u1ea5y t\u1eeb datasheet Prysmian PROTOLON (SM-R)-LWL AWG (N)TSKCGEWOEU 15KV, b\u1ea3n in 10\/10\/2026<sup class=\"ref-n\">[1]<\/sup>, \u0111\u1ed1i chi\u1ebfu v\u1edbi trang h\u1ecd c\u00e1p (N)TSKCGEWOEU c\u1ee7a Thorne & Derrick<sup class=\"ref-n\">[2]<\/sup> v\u00e0 c\u1ee7a Faber<sup class=\"ref-n\">[3]<\/sup>; h\u1ec7 s\u1ed1 gi\u1ea3m d\u00f2ng khi c\u00e1p qu\u1ea5n tr\u00ean tang theo VDE 0298-4<sup class=\"ref-n\">[4]<\/sup> v\u00e0 h\u1ec7 s\u1ed1 ICEA qua b\u1ea3n tin c\u1ee7a MSHA<sup class=\"ref-n\">[5]<\/sup>; y\u00eau c\u1ea7u ch\u1ed1ng ch\u00e1y c\u1ee7a MSHA<sup class=\"ref-n\">[6]<\/sup>; t\u1ea7m v\u1edbi Ethernet theo FOA v\u00e0 Extreme Networks<sup class=\"ref-n\">[7]<\/sup><sup class=\"ref-n\">[8]<\/sup>; c\u00e1p quang tang cu\u1ed1n chuy\u00ean d\u1ee5ng<sup class=\"ref-n\">[9]<\/sup><sup class=\"ref-n\">[10]<\/sup>; polyurethane g\u1ed1c polyether v\u00e0 polyester<sup class=\"ref-n\">[11]<\/sup>; c\u00f4ng b\u1ed1 v\u1ec1 v\u1eadt li\u1ec7u, thi\u1ebft k\u1ebf v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a FeiChun<sup class=\"ref-n\">[12]<\/sup><sup class=\"ref-n\">[13]<\/sup><sup class=\"ref-n\">[14]<\/sup><sup class=\"ref-n\">[15]<\/sup><sup class=\"ref-n\">[16]<\/sup> v\u00e0 b\u1ea3ng m\u00e0i m\u00f2n trong t\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf<sup class=\"ref-n\">[17]<\/sup>. C\u00e1c con s\u1ed1 t\u00ednh (\u0111\u1ed5i AWG sang mm\u00b2, l\u1ef1c k\u00e9o, chi\u1ec1u d\u00e0i treo v\u00e0 k\u00e9o l\u00ea, b\u00e1n k\u00ednh, t\u1ed1c \u0111\u1ed9 v\u00f2ng quay, d\u00f2ng theo nhi\u1ec7t \u0111\u1ed9 v\u00e0 s\u1ed1 l\u1edbp, s\u1ee5t \u00e1p, ng\u1eafn m\u1ea1ch, qu\u1ef9 suy hao) do t\u00e1c gi\u1ea3 t\u00ednh theo c\u00f4ng th\u1ee9c trong b\u00e0i. <b>PROTOLON, FESTOONFLEX v\u00e0 c\u00e1c t\u00ean t\u01b0\u01a1ng t\u1ef1 l\u00e0 t\u00ean th\u01b0\u01a1ng m\u1ea1i c\u1ee7a b\u00ean th\u1ee9 ba, ch\u1ec9 d\u00f9ng \u0111\u1ec3 nh\u1eadn di\u1ec7n lo\u1ea1i c\u00e1p; b\u00e0i n\u00e0y kh\u00f4ng kh\u1eb3ng \u0111\u1ecbnh c\u00e1p c\u1ee7a FeiChun c\u00f3 c\u1ea5u t\u1ea1o hay s\u1ed1 li\u1ec7u gi\u1ed1ng c\u00e1c c\u00e1p \u0111\u00f3. UL file E251483, MSHA P-189-4 v\u00e0 ICEA trong datasheet l\u00e0 h\u1ed3 s\u01a1 c\u1ee7a c\u00e1p Prysmian, kh\u00f4ng ph\u1ea3i ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun. S\u1ed1 li\u1ec7u ch\u00ednh th\u1ee9c cho c\u00e1p c\u1ee7a FeiChun (c\u1ea5u t\u1ea1o, k\u00edch th\u01b0\u1edbc, \u0111i\u1ec7n tr\u1edf \u0111o, ti\u1ebft di\u1ec7n PE, \u0111i\u1ec7n \u00e1p th\u1eed, s\u1ed1 chu k\u1ef3 u\u1ed1n, ch\u1ee9ng nh\u1eadn) ph\u1ea3i l\u1ea5y t\u1eeb b\u1ea3ng d\u1eef li\u1ec7u v\u00e0 bi\u00ean b\u1ea3n th\u1eed c\u1ee7a FeiChun cho \u0111\u00fang m\u00e3.<\/b> C\u00e1c ngu\u1ed3n c\u00f3 th\u1ec3 l\u1ec7ch nhau \u1edf v\u00e0i d\u00f2ng; nh\u1eefng ch\u1ed7 l\u1ec7ch \u0111\u00e3 t\u00ecm th\u1ea5y \u0111\u01b0\u1ee3c n\u00eau ngay trong b\u00e0i.<\/div>\n<nav class=\"toc\"><strong>M\u1ee5c l\u1ee5c<\/strong><ol><li><a href=\"#s1\">T\u1ed5ng quan v\u00e0 c\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u<\/a><\/li><li><a href=\"#s2\">C\u1ea5u t\u1ea1o<\/a><\/li><li><a href=\"#s3\">Th\u00f4ng s\u1ed1 theo datasheet<\/a><\/li><li><a href=\"#s4\">K\u00edch th\u01b0\u1edbc, ki\u1ec3m tra theo b\u1ea3ng v\u00e0 \u0111\u1ed5i AWG sang mm\u00b2<\/a><\/li><li><a href=\"#s5\">T\u00ednh to\u00e1n cho tang, tuy\u1ebfn c\u00e1p v\u00e0 ngu\u1ed3n \u0111i\u1ec7n<\/a><\/li><li><a href=\"#s6\">S\u1ee3i quang: lo\u1ea1i s\u1ee3i, suy hao, qu\u1ef9 \u0111\u01b0\u1eddng truy\u1ec1n v\u00e0 Ethernet<\/a><\/li><li><a href=\"#s7\">So s\u00e1nh v\u1edbi c\u00e1c h\u1ecd c\u00e1p tang cu\u1ed1n kh\u00e1c<\/a><\/li><li><a href=\"#s8\">\u1ee8ng d\u1ee5ng: tang, m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, x\u1ebfp d\u1ee1 t\u00e0u, x\u00edch d\u1eabn c\u00e1p, k\u00e9o l\u00ea<\/a><\/li><li><a href=\"#s9\">C\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a FeiChun cho c\u00e1p m\u1ecf ch\u1ecbu k\u00e9o, ch\u1ecbu u\u1ed1n v\u00e0 m\u00e0i m\u00f2n<\/a><\/li><li><a href=\"#s10\">Th\u1eed nghi\u1ec7m v\u00e0 h\u1ed3 s\u01a1 c\u1ea7n xem<\/a><\/li><li><a href=\"#s11\">S\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch ph\u00f2ng<\/a><\/li><li><a href=\"#s12\">D\u1eef li\u1ec7u c\u1ea7n y\u00eau c\u1ea7u khi \u0111\u1eb7t h\u00e0ng<\/a><\/li><li><a href=\"#s13\">Ch\u1ee9ng nh\u1eadn FeiChun<\/a><\/li><li><a href=\"#s14\">B\u1ea3n \u0111\u1ed3 ch\u1ecdn c\u00e1p FeiChun<\/a><\/li><li><a href=\"#faq\">H\u1ecfi \u0111\u00e1p<\/a><\/li><li><a href=\"#src\">Ngu\u1ed3n<\/a><\/li><\/ol><\/nav><div class=\"card\"><strong>T\u00ecm nhanh theo c\u00e2u h\u1ecfi<\/strong><ul><li><a href=\"#s4\">C\u00e1p 3\u00d74\/0 AWG t\u01b0\u01a1ng \u0111\u01b0\u01a1ng bao nhi\u00eau mm\u00b2? AWG sang mm\u00b2 cho c\u00e1p tang cu\u1ed1n?<\/a><\/li><li><a href=\"#s5\">C\u00e1p tang cu\u1ed1n 15 kV ch\u1ecbu k\u00e9o bao nhi\u00eau, treo th\u1eb3ng \u0111\u1ee9ng \u0111\u01b0\u1ee3c bao nhi\u00eau m\u00e9t?<\/a><\/li><li><a href=\"#s5\">B\u00e1n k\u00ednh u\u1ed1n, l\u00f5i tang t\u1ed1i thi\u1ec3u v\u00e0 kho\u1ea3ng c\u00e1ch \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S?<\/a><\/li><li><a href=\"#s5\">D\u00f2ng cho ph\u00e9p khi c\u00e1p qu\u1ea5n nhi\u1ec1u l\u1edbp tr\u00ean tang: VDE hay ICEA?<\/a><\/li><li><a href=\"#s6\">C\u00e1p 15 kV c\u00f3 s\u1ee3i quang: lo\u1ea1i s\u1ee3i n\u00e0o, suy hao v\u00e0 t\u1ea7m v\u1edbi Ethernet?<\/a><\/li><li><a href=\"#s7\">Kh\u00e1c g\u00ec PROTOLON (M) R LWL 6\/10 kV, SMK, FL, TRATOSFLEX?<\/a><\/li><li><a href=\"#s8\">D\u00f9ng cho m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u, x\u00edch d\u1eabn c\u00e1p, k\u00e9o l\u00ea \u0111\u01b0\u1ee3c kh\u00f4ng?<\/a><\/li><li><a href=\"#s9\">C\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u c\u1ee7a FeiChun cho c\u00e1p ch\u1ecbu u\u1ed1n, k\u00e9o v\u00e0 m\u00e0i m\u00f2n?<\/a><\/li><li><a href=\"#s13\">FeiChun c\u00f3 nh\u1eefng ch\u1ee9ng nh\u1eadn n\u00e0o?<\/a><\/li><\/ul><\/div>\n<section id=\"s1\"><h2>1. T\u1ed5ng quan v\u00e0 c\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u<\/h2><p>PROTOLON (SM-R)-LWL AWG (N)TSKCGEWOEU 15 kV l\u00e0 c\u00e1p tang cu\u1ed1n trung th\u1ebf di \u0111\u1ed9ng: ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc s\u1ee3i r\u1ea5t m\u1ea3nh, c\u00e1ch \u0111i\u1ec7n EPR c\u00f3 l\u1edbp b\u00e1n d\u1eabn trong EPR v\u00e0 l\u1edbp b\u00e1n d\u1eabn ngo\u00e0i NBR b\u00f3c \u0111\u01b0\u1ee3c, v\u1ecf polychloroprene (neoprene) c\u00f3 gia c\u01b0\u1eddng, b\u1ec1 d\u00e0y v\u1ecf theo ICEA, nhi\u1ec7t \u0111\u1ed9 ru\u1ed9t 90 \u00b0C. H\u00e3ng m\u00f4 t\u1ea3 \u0111\u00e2y l\u00e0 c\u00e1p trung th\u1ebf m\u1ec1m cho \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc c\u1ef1c l\u1edbn, v\u00ed d\u1ee5 t\u1ed1c \u0111\u1ed9 ch\u1ea1y cao; \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea g\u1ed3m tang m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, tang c\u1ea9u container, tang c\u1ea9u x\u1eed l\u00fd g\u1ed7, tang m\u00e1y d\u1ee1 t\u00e0u v\u00e0 tang m\u00e1y x\u1ebfp t\u00e0u<sup class=\"ref-n\">[1]<\/sup>. Faber m\u00f4 t\u1ea3 c\u00e1p c\u00f9ng h\u1ecd (N)TSKCGEWOEU l\u00e0 c\u00e1p tang cu\u1ed1n m\u1ec1m c\u00f3 s\u1ee3i quang t\u00edch h\u1ee3p, thi\u1ebft k\u1ebf cho \u1ee9ng su\u1ea5t cao g\u1ed3m xo\u1eafn, \u0111\u1ed5i h\u01b0\u1edbng sang nhi\u1ec1u m\u1eb7t ph\u1eb3ng v\u00e0 t\u1ed1c \u0111\u1ed9 cu\u1ed1n cao, ch\u1ecbu n\u01b0\u1edbc bi\u1ec3n, d\u00f9ng cho festoon, c\u1ea9u container t\u1ed1c \u0111\u1ed9 cao v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng l\u1edbn<sup class=\"ref-n\">[3]<\/sup>.<\/p><p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> V\u1edbi k\u1ef9 s\u01b0 c\u1ea3ng, c\u00f3 s\u00e1u \u0111i\u1ec1u c\u1ea7n nh\u1edb ngay t\u1eeb \u0111\u1ea7u. (1) \u0110\u00e2y l\u00e0 c\u00e1p c\u1ee1 AWG (21 \u2013 107 mm\u00b2), mang h\u1ed3 s\u01a1 ch\u1ea5p thu\u1eadn ki\u1ec3u Hoa K\u1ef3 (UL, MSHA, b\u1ec1 d\u00e0y v\u1ecf theo ICEA) nh\u01b0ng \u0111\u1ed3ng th\u1eddi d\u1ef1a tr\u00ean DIN VDE 0250-813 v\u00e0 b\u1ea3ng d\u00f2ng VDE 0298-4: hai h\u1ec7 ti\u00eau chu\u1ea9n cho h\u1ec7 s\u1ed1 gi\u1ea3m d\u00f2ng tr\u00ean tang kh\u00e1c nhau (m\u1ee5c 5.3). (2) \u0110i\u1ec7n \u00e1p danh ngh\u0129a 15 000 V, th\u1eed 29 kV. (3) T\u1ed1c \u0111\u1ed9 tr\u00ean tang kh\u00f4ng b\u1ecb h\u1ea1n ch\u1ebf; ch\u1ec9 tr\u00ean 240 m\/ph\u00fat h\u00e3ng khuy\u00ean h\u1ecfi nh\u00e0 s\u1ea3n xu\u1ea5t. (4) L\u1ef1c k\u00e9o 20 N\/mm\u00b2 t\u0129nh v\u00e0 30 N\/mm\u00b2 \u0111\u1ed9ng t\u00ednh tr\u00ean ba ru\u1ed9t pha, n\u00ean chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng ch\u1ec9 kho\u1ea3ng 25 \u2013 57 m (m\u1ee5c 5.1). (5) Xo\u1eafn cho ph\u00e9p \u00b125 \u00b0\/m, ch\u1eb7t h\u01a1n \u00b1100 \u00b0\/m c\u1ee7a PROTOLON (M) R LWL 6\/10 kV<sup class=\"ref-n\">[14]<\/sup>. (6) Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng t\u1ed1i \u0111a khi chuy\u1ec3n \u0111\u1ed9ng l\u00e0 60 \u00b0C, th\u1ea5p h\u01a1n 80 \u00b0C khi l\u1eafp c\u1ed1 \u0111\u1ecbnh<sup class=\"ref-n\">[1]<\/sup>.<\/p><p>N\u0103m \u0111i\u1ec3m v\u1ec1 k\u00fd hi\u1ec7u th\u01b0\u1eddng b\u1ecb b\u1ecf qua:<\/p><ul><li><b>PROTOLON (SM-R)-LWL.<\/b> LWL l\u00e0 Lichtwellenleiter (s\u1ee3i quang). Datasheet kh\u00f4ng gi\u1ea3i th\u00edch ch\u1eef SM-R; h\u1ecd c\u00f9ng nh\u00f3m c\u00f3 PROTOLON (SMK)-LWL v\u00e0 PROTOLON (M) R-LWL<sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[3]<\/sup><sup class=\"ref-n\">[14]<\/sup>. Ch\u1eef R theo c\u00e1ch d\u00f9ng c\u1ee7a h\u00e3ng \u1edf h\u1ecd (M) R l\u00e0 c\u00e1p tang cu\u1ed1n (Reeling) (t\u00e1c gi\u1ea3 \u0111\u1ecdc).<\/li><li><b>(N)TSKCGEWOEU.<\/b> FeiChun gi\u1ea3i m\u00e3 k\u00fd hi\u1ec7u (N)TSCGEW\u00d6U nh\u01b0 sau: (N) ki\u1ec3u chu\u1ea9n VDE; T c\u00e1p tang cu\u1ed1n ho\u1eb7c k\u00e9o; SC l\u1edbp b\u00e1n d\u1eabn; GE d\u00e2y n\u1ed1i \u0111\u1ea5t ph\u00e2n b\u1ed1; W b\u1ec7n polyester; \u00d6 v\u1ecf ch\u1ecbu d\u1ea7u; U v\u1ecf elastomer; ch\u1eef K trong (N)TSKCGEW\u00d6U l\u00e0 ph\u1ea7n t\u1eed \u0111\u1ee1 d\u1ea1ng cradle c\u00f3 aramid (Kevlar), d\u00f9ng cho tuy\u1ebfn d\u00e0i ho\u1eb7c tang th\u1eb3ng \u0111\u1ee9ng<sup class=\"ref-n\">[13]<\/sup>. Datasheet Prysmian kh\u00f4ng gi\u1ea3i th\u00edch ch\u1eef K v\u00e0 ghi v\u1eadt li\u1ec7u gia c\u01b0\u1eddng l\u00e0 b\u1ec7n polyester<sup class=\"ref-n\">[1]<\/sup>: c\u1ea7n x\u00e1c nh\u1eadn c\u1ea5u t\u1ea1o th\u1ef1c b\u1eb1ng b\u1ea3n v\u1ebd.<\/li><li><b>M\u00e3 c\u1ea5u t\u1ea1o ki\u1ec3u AWG.<\/b> \u00ab3\u00d71\/0AWG+1\u00d71AWG+1\u00d78AWG+1\u00d7(12E9LWL)\u00bb l\u00e0 ba ru\u1ed9t pha 1\/0 AWG, m\u1ed9t d\u00e2y PE 1 AWG, m\u1ed9t d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba (ground check) 8 AWG v\u00e0 m\u1ed9t ph\u1ea7n t\u1eed quang 12 s\u1ee3i \u0111\u01a1n mode E9; \u00ab3\u00d71\/0AWG+2\u00d74AWG+1\u00d7(12E9LWL)\u00bb l\u00e0 ba ru\u1ed9t pha v\u00e0 hai d\u00e2y PE 4 AWG. C\u00e1ch \u0111\u1ecdc d\u1ef1a tr\u00ean m\u00f4 t\u1ea3 \u00abd\u00e2y n\u1ed1i \u0111\u1ea5t t\u00e1ch th\u00e0nh m\u1ed9t ho\u1eb7c hai v\u00e0 th\u00eam d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba\u00bb c\u1ee7a datasheet<sup class=\"ref-n\">[1]<\/sup>; s\u1ed1 nh\u00f3m v\u00e0 v\u1ecb tr\u00ed c\u1ea7n x\u00e1c nh\u1eadn b\u1eb1ng b\u1ea3n v\u1ebd.<\/li><li><b>M\u00e3 SAP.<\/b> C\u00e1c d\u00f2ng ghi \u00ab5DK8***\u00bb l\u00e0 m\u00e3 ngo\u00e0i ch\u01b0a \u0111i\u1ec1n \u0111\u1ee7 trong datasheet; khi \u0111\u1eb7t h\u00e0ng ph\u1ea3i ghi m\u00e3 \u0111\u1ea7y \u0111\u1ee7, s\u1ed1 s\u1ee3i v\u00e0 lo\u1ea1i s\u1ee3i.<\/li><li><b>T\u00ean th\u01b0\u01a1ng m\u1ea1i.<\/b> PROTOLON l\u00e0 nh\u00e3n hi\u1ec7u c\u1ee7a b\u00ean th\u1ee9 ba, b\u00e0i ch\u1ec9 d\u00f9ng \u0111\u1ec3 nh\u1eadn di\u1ec7n lo\u1ea1i c\u00e1p; c\u1ea5u t\u1ea1o, k\u00edch th\u01b0\u1edbc v\u00e0 h\u1ed3 s\u01a1 c\u1ee7a c\u00e1p FeiChun ph\u1ea3i l\u1ea5y theo \u0111\u00fang m\u00e3 c\u1ee7a FeiChun.<\/li><\/ul><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1000px\"><caption>\u0110\u1eb7c t\u00ednh ch\u00ednh (datasheet)<\/caption><thead><tr><th>H\u1ea1ng m\u1ee5c<\/th><th>Gi\u00e1 tr\u1ecb<\/th><th>\u00dd ngh\u0129a k\u1ef9 thu\u1eadt<\/th><\/tr><\/thead><tbody><tr><td>Lo\u1ea1i c\u00e1p<\/td><td>c\u00e1p tang cu\u1ed1n di \u0111\u1ed9ng; c\u00e1ch \u0111i\u1ec7n EPR; b\u00e1n d\u1eabn EPR; v\u1ecf neoprene c\u00f3 gia c\u01b0\u1eddng; b\u1ec1 d\u00e0y v\u1ecf theo ICEA; 90 \u00b0C<sup class=\"ref-n\">[1]<\/sup><\/td><td>thi\u1ebft k\u1ebf cho tang v\u00e0 m\u00e1y di \u0111\u1ed9ng trung th\u1ebf<\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p<\/td><td>U = 15 000 V; th\u1eed 29 kV (ru\u1ed9t ch\u00ednh); th\u1eed 2 kV (l\u00f5i \u0111i\u1ec1u khi\u1ec3n)<sup class=\"ref-n\">[1]<\/sup><\/td><td>29 kV = 3,35 \u00d7 U0 n\u1ebfu U0 = 15\/\u221a3 = 8,66 kV (t\u00e1c gi\u1ea3 t\u00ednh)<\/td><\/tr><tr><td>Ru\u1ed9t<\/td><td>\u0111\u1ed3ng m\u1ea1 thi\u1ebfc, s\u1ee3i r\u1ea5t m\u1ea3nh (class FS); d\u00e2y PE c\u00f9ng lo\u1ea1i<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup><\/td><td>FS (feinstdr\u00e4htig) m\u1ecbn h\u01a1n class F; y\u00eau c\u1ea7u s\u1ed1 s\u1ee3i v\u00e0 \u00d8 s\u1ee3i<\/td><\/tr><tr><td>C\u00e1ch \u0111i\u1ec7n<\/td><td>EPR PROTOLON, h\u1ee3p ch\u1ea5t \u0111\u1eb7c bi\u1ec7t t\u1ed1i thi\u1ec3u 3GI3; b\u00e1n d\u1eabn trong EPR; b\u00e1n d\u1eabn ngo\u00e0i NBR \u00ab easy-strip \u00bb<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup><\/td><td>m\u1ec1m h\u01a1n XLPE; l\u1edbp ngo\u00e0i d\u1ec5 b\u00f3c khi l\u00e0m \u0111\u1ea7u c\u00e1p<\/td><\/tr><tr><td>B\u1ed1 tr\u00ed l\u00f5i<\/td><td>ba l\u00f5i c\u00f4ng su\u1ea5t; d\u00e2y PE t\u00e1ch m\u1ed9t ho\u1eb7c hai; d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba; ph\u1ea7n t\u1eed quang<sup class=\"ref-n\">[1]<\/sup><\/td><td>ti\u1ebft di\u1ec7n PE v\u00e0 ground check ph\u1ea3i \u0111\u1ed1i chi\u1ebfu v\u1edbi b\u1ea3o v\u1ec7<\/td><\/tr><tr><td>V\u1ecf v\u00e0 gia c\u01b0\u1eddng<\/td><td>v\u1ecf trong PCP 5GM3; b\u1ec7n polyester; v\u1ecf ngo\u00e0i PCP PROTOFIRM t\u1ed1i thi\u1ec3u 5GM5<sup class=\"ref-n\">[1]<\/sup><\/td><td>PCP ch\u1ee9a clo, kh\u00f4ng ph\u1ea3i c\u00e1p kh\u00f4ng halogen<\/td><\/tr><tr><td>C\u01a1 h\u1ecdc<\/td><td>k\u00e9o 20 N\/mm\u00b2 t\u0129nh, 30 N\/mm\u00b2 \u0111\u1ed9ng; xo\u1eafn \u00b125 \u00b0\/m; tang kh\u00f4ng h\u1ea1n ch\u1ebf t\u1ed1c \u0111\u1ed9 (tr\u00ean 240 m\/ph\u00fat h\u1ecfi h\u00e3ng)<sup class=\"ref-n\">[1]<\/sup><\/td><td>t\u00ednh tr\u00ean t\u1ed5ng ti\u1ebft di\u1ec7n ba ru\u1ed9t pha (m\u1ee5c 4)<\/td><\/tr><tr><td>B\u00e1n k\u00ednh u\u1ed1n<\/td><td>6\u00d7D c\u1ed1 \u0111\u1ecbnh; 10\u00d7D chuy\u1ec3n \u0111\u1ed9ng; \u2265 20\u00d7D gi\u1eefa hai l\u1ea7n \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S (VDE 0298-3)<sup class=\"ref-n\">[1]<\/sup><\/td><td>D l\u1ea5y theo \u00d8 ngo\u00e0i l\u1edbn nh\u1ea5t<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng<\/td><td>c\u1ed1 \u0111\u1ecbnh \u221240 \u2026 +80 \u00b0C; chuy\u1ec3n \u0111\u1ed9ng \u221235 \u2026 +60 \u00b0C; ru\u1ed9t 90 \u00b0C, ng\u1eafn m\u1ea1ch 250 \u00b0C<sup class=\"ref-n\">[1]<\/sup><\/td><td>tr\u1ea7n 60 \u00b0C khi chuy\u1ec3n \u0111\u1ed9ng \u1ea3nh h\u01b0\u1edfng d\u00f2ng (m\u1ee5c 5.3)<\/td><\/tr><tr><td>H\u00f3a v\u00e0 ch\u00e1y<\/td><td>ch\u1eadm ch\u00e1y IEC\/EN 60332-1-2; ch\u1ecbu d\u1ea7u IEC\/EN 60811-404; ozone, UV, n\u01b0\u1edbc bi\u1ec3n<sup class=\"ref-n\">[1]<\/sup><\/td><td>datasheet kh\u00f4ng n\u00eau m\u1eadt \u0111\u1ed9 kh\u00f3i hay halogen<\/td><\/tr><tr><td>H\u1ed3 s\u01a1 trong datasheet (c\u1ee7a Prysmian)<\/td><td>UL file E251483; MSHA P-189-4; d\u1ef1a tr\u00ean DIN VDE 0250-813; DIN VDE 0298-4 cho d\u00f2ng<sup class=\"ref-n\">[1]<\/sup><\/td><td>kh\u00f4ng ph\u1ea3i ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun (m\u1ee5c 13)<\/td><\/tr><\/tbody><\/table><\/div><\/section>\n<section id=\"s2\"><h2>2. C\u1ea5u t\u1ea1o: ba l\u00f5i EPR c\u00f3 b\u00e1n d\u1eabn, d\u00e2y PE t\u00e1ch chia, ph\u1ea7n t\u1eed quang, b\u1ec7n polyester v\u00e0 v\u1ecf PCP 5GM5<\/h2><p>T\u1eeb trong ra ngo\u00e0i, m\u1ed7i l\u00f5i c\u00f4ng su\u1ea5t g\u1ed3m ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc s\u1ee3i r\u1ea5t m\u1ea3nh, l\u1edbp b\u00e1n d\u1eabn trong EPR, c\u00e1ch \u0111i\u1ec7n EPR PROTOLON t\u1ed1i thi\u1ec3u 3GI3 v\u00e0 l\u1edbp b\u00e1n d\u1eabn ngo\u00e0i NBR \u00ab easy-strip \u00bb. Ba l\u00f5i \u0111\u01b0\u1ee3c b\u1ec7n c\u00f9ng d\u00e2y PE t\u00e1ch m\u1ed9t ho\u1eb7c hai, m\u1ed9t d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba v\u00e0 ph\u1ea7n t\u1eed quang; ngo\u00e0i c\u1ee5m l\u00f5i l\u00e0 v\u1ecf trong PCP 5GM3, l\u1edbp b\u1ec7n polyester gia c\u01b0\u1eddng v\u00e0 v\u1ecf ngo\u00e0i PCP PROTOFIRM t\u1ed1i thi\u1ec3u 5GM5<sup class=\"ref-n\">[1]<\/sup>. Thorne & Derrick m\u00f4 t\u1ea3 h\u1ecd n\u00e0y d\u00f9ng ru\u1ed9t v\u00e0 d\u00e2y \u0111\u1ea5t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc s\u1ee3i r\u1ea5t m\u1ea3nh class FS, c\u00e1ch \u0111i\u1ec7n Protolon HS g\u1ed1c EPR ch\u1ea5t l\u01b0\u1ee3ng cao, t\u1ed1i thi\u1ec3u 3GI3<sup class=\"ref-n\">[2]<\/sup>.<\/p><div class=\"svg\"><svg viewBox=\"0 0 1300 610\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"M\u1eb7t c\u1eaft c\u00e1p PROTOLON (SM-R)-LWL AWG 15 kV: ba l\u00f5i EPR c\u00f3 b\u00e1n d\u1eabn trong v\u00e0 ngo\u00e0i, d\u00e2y PE, d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba, ph\u1ea7n t\u1eed quang, v\u1ecf trong, b\u1ec7n polyester, v\u1ecf ngo\u00e0i PCP\"><defs>\n<pattern id=\"cuA\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tinA\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gyA\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"peA\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"arA\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbA\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"plA\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hatA\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"1300\" height=\"610\" fill=\"#0e1a1e\"><\/rect><text x=\"40\" y=\"34\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\" >M\u1eb7t c\u1eaft c\u00e1p 3\u00d71\/0 AWG + 1\u00d71 AWG + 1\u00d78 AWG + 1\u00d7(12E9 LWL), 15 kV (s\u01a1 \u0111\u1ed3 theo m\u00f4 t\u1ea3 c\u1ee7a datasheet)<\/text><circle cx=\"270.0\" cy=\"300.0\" r=\"150.0\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\" ><\/circle><circle cx=\"270.0\" cy=\"300.0\" r=\"124.0\" fill=\"#1b1e21\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"270.0\" cy=\"300.0\" r=\"124.0\" fill=\"none\" stroke=\"url(#plA)\" stroke-width=\"5\" ><\/circle><circle cx=\"270.0\" cy=\"300.0\" r=\"121.0\" fill=\"#4a4f56\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"270.0\" cy=\"236.0\" r=\"42.0\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"270.0\" cy=\"236.0\" r=\"39.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"270.0\" cy=\"236.0\" r=\"21.5\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"270.0\" cy=\"236.0\" r=\"19.0\" fill=\"url(#cuA)\" stroke=\"#cfd8dc\" stroke-width=\"1.2\" ><\/circle><circle cx=\"214.6\" cy=\"332.0\" r=\"42.0\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"214.6\" cy=\"332.0\" r=\"39.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"214.6\" cy=\"332.0\" r=\"21.5\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"214.6\" cy=\"332.0\" r=\"19.0\" fill=\"url(#cuA)\" stroke=\"#cfd8dc\" stroke-width=\"1.2\" ><\/circle><circle cx=\"325.4\" cy=\"332.0\" r=\"42.0\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"325.4\" cy=\"332.0\" r=\"39.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"325.4\" cy=\"332.0\" r=\"21.5\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"325.4\" cy=\"332.0\" r=\"19.0\" fill=\"url(#cuA)\" stroke=\"#cfd8dc\" stroke-width=\"1.2\" ><\/circle><circle cx=\"356.6\" cy=\"250.0\" r=\"12.5\" fill=\"url(#tinA)\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"183.4\" cy=\"250.0\" r=\"8.5\" fill=\"#f2d13a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"183.4\" cy=\"250.0\" r=\"4.2\" fill=\"url(#cuA)\" stroke=\"#c47a3a\" stroke-width=\"0.8\" ><\/circle><circle cx=\"270.0\" cy=\"400.0\" r=\"11.0\" fill=\"#3b4046\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"270.0\" cy=\"300.0\" r=\"23.0\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"270.0\" cy=\"300.0\" r=\"5.2\" fill=\"url(#arA)\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"281.4\" cy=\"293.4\" r=\"5.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"280.6\" cy=\"291.9\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"282.3\" cy=\"294.9\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"270.0\" cy=\"286.8\" r=\"5.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"268.3\" cy=\"286.8\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"271.7\" cy=\"286.8\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"258.6\" cy=\"293.4\" r=\"5.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"257.7\" cy=\"294.9\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"259.4\" cy=\"291.9\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"258.6\" cy=\"306.6\" r=\"5.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"259.4\" cy=\"308.1\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"257.7\" cy=\"305.1\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"270.0\" cy=\"313.2\" r=\"5.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"271.7\" cy=\"313.2\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"268.3\" cy=\"313.2\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"281.4\" cy=\"306.6\" r=\"5.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"282.3\" cy=\"305.1\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><circle cx=\"280.6\" cy=\"308.1\" r=\"1.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.3\" ><\/circle><line x1=\"120.0\" y1=\"472.0\" x2=\"420.0\" y2=\"472.0\" stroke=\"#9cc0cc\" stroke-width=\"1.2\" ><\/line><line x1=\"120.0\" y1=\"466.0\" x2=\"120.0\" y2=\"478.0\" stroke=\"#9cc0cc\" stroke-width=\"1\" ><\/line><line x1=\"420.0\" y1=\"466.0\" x2=\"420.0\" y2=\"478.0\" stroke=\"#9cc0cc\" stroke-width=\"1\" ><\/line><text x=\"270\" y=\"492\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"bold\" >\u00d8 c\u00e1p = 66,9 \u2013 70,9 mm<\/text><circle cx=\"270.0\" cy=\"236.0\" r=\"10.0\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"270\" y=\"241\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >1<\/text><circle cx=\"300.0\" cy=\"212.0\" r=\"10.0\" fill=\"#ffb454\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"300\" y=\"217\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >2<\/text><circle cx=\"234.0\" cy=\"234.0\" r=\"10.0\" fill=\"#c8d0d6\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"234\" y=\"239\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >3<\/text><circle cx=\"356.6\" cy=\"250.0\" r=\"10.0\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"356.603\" y=\"255\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >4<\/text><circle cx=\"183.4\" cy=\"250.0\" r=\"10.0\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"183.397\" y=\"255\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >5<\/text><circle cx=\"270.0\" cy=\"300.0\" r=\"10.0\" fill=\"#c98aff\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"270\" y=\"305\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >6<\/text><circle cx=\"382.0\" cy=\"292.0\" r=\"10.0\" fill=\"#9fb6c2\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"382\" y=\"297\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >7<\/text><circle cx=\"136.5\" cy=\"302.0\" r=\"10.0\" fill=\"#e9e4d6\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"136.5\" y=\"307\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >8<\/text><circle cx=\"409.0\" cy=\"364.0\" r=\"10.0\" fill=\"#ff9f5a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"409\" y=\"369\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >9<\/text><text x=\"620\" y=\"76\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\" >C\u1ea5u t\u1ea1o (s\u01a1 \u0111\u1ed3)<\/text><circle cx=\"632.0\" cy=\"108.0\" r=\"12.0\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"632\" y=\"113\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >1<\/text><text x=\"654\" y=\"110\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\" >Ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc, s\u1ee3i r\u1ea5t m\u1ea3nh (class FS)<\/text><text x=\"654\" y=\"128\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >ba ru\u1ed9t pha 4 \u2013 4\/0 AWG; datasheet: \u00d8 ru\u1ed9t 6,8 \u2013 15,0 mm<\/text><circle cx=\"632.0\" cy=\"160.0\" r=\"12.0\" fill=\"#ffb454\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"632\" y=\"165\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >2<\/text><text x=\"654\" y=\"162\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\" >C\u00e1ch \u0111i\u1ec7n EPR PROTOLON, t\u1ed1i thi\u1ec3u 3GI3<\/text><text x=\"654\" y=\"180\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >90 \u00b0C l\u00e0m vi\u1ec7c; 250 \u00b0C ng\u1eafn m\u1ea1ch; l\u1edbp b\u00e1n d\u1eabn trong l\u00e0 EPR b\u00e1n d\u1eabn<\/text><circle cx=\"632.0\" cy=\"212.0\" r=\"12.0\" fill=\"#c8d0d6\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"632\" y=\"217\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >3<\/text><text x=\"654\" y=\"214\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\" >L\u1edbp b\u00e1n d\u1eabn ngo\u00e0i: NBR \u00ab easy-strip \u00bb<\/text><text x=\"654\" y=\"232\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >b\u00f3c \u0111\u01b0\u1ee3c khi l\u00e0m \u0111\u1ea7u c\u00e1p; \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n tr\u01b0\u1eddng m\u1eb7t ngo\u00e0i c\u00e1ch \u0111i\u1ec7n<\/text><circle cx=\"632.0\" cy=\"264.0\" r=\"12.0\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"632\" y=\"269\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >4<\/text><text x=\"654\" y=\"266\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\" >D\u00e2y n\u1ed1i \u0111\u1ea5t PE (\u0111\u1ed3ng m\u1ea1 thi\u1ebfc, r\u1ea5t m\u1ea3nh)<\/text><text x=\"654\" y=\"284\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >t\u00e1ch th\u00e0nh m\u1ed9t ho\u1eb7c hai d\u00e2y; b\u1ed1 tr\u00ed \u1edf khe gi\u1eefa c\u00e1c l\u00f5i<\/text><circle cx=\"632.0\" cy=\"316.0\" r=\"12.0\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"632\" y=\"321\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >5<\/text><text x=\"654\" y=\"318\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\" >D\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba (ground check)<\/text><text x=\"654\" y=\"336\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >c\u00f3 \u1edf c\u00e1c m\u00e3 3 ru\u1ed9t + PE + ground check + ph\u1ea7n t\u1eed quang<\/text><circle cx=\"632.0\" cy=\"368.0\" r=\"12.0\" fill=\"#c98aff\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"632\" y=\"373\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >6<\/text><text x=\"654\" y=\"370\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\" >Ph\u1ea7n t\u1eed quang (LWL)<\/text><text x=\"654\" y=\"388\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >m\u00e3 n\u00e0y: 12 s\u1ee3i E9; \u1ed1ng \u0111\u1ec7m quanh l\u00f5i \u0111\u1ee1 (theo b\u1ea3n v\u1ebd c\u1ee7a h\u00e3ng)<\/text><circle cx=\"632.0\" cy=\"420.0\" r=\"12.0\" fill=\"#9fb6c2\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"632\" y=\"425\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >7<\/text><text x=\"654\" y=\"422\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\" >V\u1ecf trong cao su PCP, h\u1ee3p ch\u1ea5t \u0111\u1eb7c bi\u1ec7t 5GM3<\/text><text x=\"654\" y=\"440\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0111\u1ec7m gi\u1eefa c\u1ee5m l\u00f5i v\u00e0 l\u1edbp gia c\u01b0\u1eddng<\/text><circle cx=\"632.0\" cy=\"472.0\" r=\"12.0\" fill=\"#e9e4d6\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"632\" y=\"477\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >8<\/text><text x=\"654\" y=\"474\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\" >L\u1edbp b\u1ec7n polyester gia c\u01b0\u1eddng<\/text><text x=\"654\" y=\"492\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >ch\u1ed1ng xo\u1eafn, ch\u1ecbu m\u1ed9t ph\u1ea7n l\u1ef1c k\u00e9o<\/text><circle cx=\"632.0\" cy=\"524.0\" r=\"12.0\" fill=\"#ff9f5a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"632\" y=\"529\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >9<\/text><text x=\"654\" y=\"526\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\" >V\u1ecf ngo\u00e0i PCP PROTOFIRM, t\u1ed1i thi\u1ec3u 5GM5<\/text><text x=\"654\" y=\"544\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >b\u1ec1 d\u00e0y theo ICEA; ch\u1ecbu d\u1ea7u, ozone, UV, n\u01b0\u1edbc bi\u1ec3n<\/text><text x=\"40\" y=\"588\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >Minh h\u1ecda nguy\u00ean l\u00fd theo datasheet [1]; v\u1ecb tr\u00ed ph\u1ea7n t\u1eed quang, d\u00e2y PE v\u00e0 d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba, b\u1ec1 d\u00e0y t\u1eebng l\u1edbp v\u00e0 m\u00e0u v\u1ecf ch\u1ec9 mang t\u00ednh s\u01a1 \u0111\u1ed3; kh\u00f4ng theo t\u1ef7 l\u1ec7; b\u1ea3n v\u1ebd th\u1eadt theo b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 1. M\u1eb7t c\u1eaft c\u00e1p 3\u00d71\/0 AWG + 1\u00d71 AWG + 1\u00d78 AWG + 1\u00d7(12E9 LWL) 15 kV: ba l\u00f5i EPR c\u00f3 l\u1edbp b\u00e1n d\u1eabn trong v\u00e0 ngo\u00e0i, d\u00e2y PE, d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba, ph\u1ea7n t\u1eed quang, v\u1ecf trong, b\u1ec7n polyester, v\u1ecf ngo\u00e0i PCP; minh h\u1ecda nguy\u00ean l\u00fd, kh\u00f4ng theo t\u1ef7 l\u1ec7.<\/div><\/div><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1250px\"><caption>T\u1eeb l\u1edbp c\u1ea5u t\u1ea1o \u0111\u1ebfn ch\u1ebf \u0111\u1ed9 h\u1ecfng<\/caption><thead><tr><th>L\u1edbp<\/th><th>Vai tr\u00f2<\/th><th>N\u1ebfu thi\u1ebfu ho\u1eb7c k\u00e9m<\/th><th>C\u1ea7n y\u00eau c\u1ea7u<\/th><\/tr><\/thead><tbody><tr><td>1. Ru\u1ed9t class FS, m\u1ea1 thi\u1ebfc<\/td><td>s\u1ee3i r\u1ea5t m\u1ea3nh ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t u\u1ed1n tr\u00ean nhi\u1ec1u s\u1ee3i; thi\u1ebfc ch\u1ed1ng oxy h\u00f3a<\/td><td>\u0111\u1ee9t s\u1ee3i do m\u1ecfi u\u1ed1n, n\u00f3ng c\u1ee5c b\u1ed9 t\u1ea1i ch\u1ed7 \u0111\u1ee9t; ru\u1ed9t tr\u1ea7n oxy h\u00f3a \u1edf kh\u00ed h\u1eadu m\u1eb7n \u1ea9m<\/td><td>s\u1ed1 s\u1ee3i, \u00d8 s\u1ee3i; l\u1edbp thi\u1ebfc (FeiChun n\u00eau 5 \u2013 10 \u00b5m); \u0111i\u1ec7n tr\u1edf ru\u1ed9t<\/td><\/tr><tr><td>2. B\u00e1n d\u1eabn trong + EPR 3GI3<\/td><td>ki\u1ec3m so\u00e1t \u0111i\u1ec7n tr\u01b0\u1eddng, c\u00e1ch \u0111i\u1ec7n m\u1ec1m khi u\u1ed1n<\/td><td>ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 \u1edf l\u1ed7 kh\u00ed ho\u1eb7c m\u1eb7t ph\u00e2n c\u00e1ch; n\u1ee9t khi u\u1ed1n l\u1ea1nh<\/td><td>\u0111\u00f9n ba l\u1edbp m\u1ed9t l\u1ea7n; th\u1eed 29 kV t\u1eebng cu\u1ed9n; \u0111o PD n\u1ebfu h\u1ee3p \u0111\u1ed3ng y\u00eau c\u1ea7u<\/td><\/tr><tr><td>3. B\u00e1n d\u1eabn ngo\u00e0i NBR easy-strip<\/td><td>ki\u1ec3m so\u00e1t \u0111i\u1ec7n tr\u01b0\u1eddng m\u1eb7t ngo\u00e0i; d\u1ec5 b\u00f3c khi l\u00e0m \u0111\u1ea7u c\u00e1p<\/td><td>kh\u00f3 b\u00f3c l\u00e0m x\u01b0\u1edbc c\u00e1ch \u0111i\u1ec7n, h\u1ecfng \u0111\u1ea7u c\u00e1p s\u1edbm<\/td><td>l\u1ef1c b\u00f3c; \u0111i\u1ec7n tr\u1edf su\u1ea5t; quy tr\u00ecnh b\u00f3c theo nh\u00e0 l\u00e0m \u0111\u1ea7u c\u00e1p<\/td><\/tr><tr><td>4. D\u00e2y PE v\u00e0 ground check<\/td><td>\u0111\u01b0\u1eddng d\u00f2ng ch\u1ea1m \u0111\u1ea5t; gi\u00e1m s\u00e1t ti\u1ebfp \u0111\u1ecba<\/td><td>ti\u1ebft di\u1ec7n thi\u1ebfu th\u00ec n\u00f3ng ch\u1ea3y khi ch\u1ea1m \u0111\u1ea5t; m\u1ea5t gi\u00e1m s\u00e1t th\u00ec kh\u00f4ng c\u1eaft k\u1ecbp<\/td><td>ti\u1ebft di\u1ec7n PE theo mm\u00b2; s\u1ed1 d\u00e2y; d\u00f2ng ch\u1ea1m \u0111\u1ea5t v\u00e0 th\u1eddi gian c\u1eaft c\u1ee7a l\u01b0\u1edbi<\/td><\/tr><tr><td>5. Ph\u1ea7n t\u1eed quang<\/td><td>truy\u1ec1n d\u1eef li\u1ec7u, b\u1ecf m\u1ed9t c\u00e1p \u0111i\u1ec1u khi\u1ec3n ri\u00eang tr\u00ean tang<\/td><td>gi\u00e3n ho\u1eb7c vi u\u1ed1n khi k\u00e9o qu\u00e1, u\u1ed1n d\u01b0\u1edbi R t\u1ed1i thi\u1ec3u; suy hao t\u0103ng<\/td><td>lo\u1ea1i s\u1ee3i, s\u1ed1 s\u1ee3i, v\u1eadt li\u1ec7u \u1ed1ng; \u0111o suy hao t\u1eebng cu\u1ed9n b\u1eb1ng OTDR<\/td><\/tr><tr><td>6. V\u1ecf trong PCP 5GM3<\/td><td>\u0111\u1ec7m gi\u1eefa c\u1ee5m l\u00f5i v\u00e0 l\u1edbp gia c\u01b0\u1eddng<\/td><td>l\u00f5i b\u1ecb \u00e9p l\u1ec7ch khi qu\u1ea5n nhi\u1ec1u l\u1edbp<\/td><td>h\u1ee3p ch\u1ea5t, b\u1ec1 d\u00e0y; c\u00f3 \u00e9p l\u1ea5p khe hay kh\u00f4ng<\/td><\/tr><tr><td>7. B\u1ec7n polyester<\/td><td>ch\u1ed1ng xo\u1eafn, ch\u1ecbu m\u1ed9t ph\u1ea7n l\u1ef1c k\u00e9o, gi\u1eef h\u00ecnh h\u1ecdc tr\u00f2n<\/td><td>c\u00e1p xo\u1eafn th\u00e0nh l\u00f2 xo (Z-kink) tr\u00ean tang; ru\u1ed9t \u0111\u1ed3ng ph\u1ea3i ch\u1ecbu k\u00e9o tr\u1ef1c ti\u1ebfp<\/td><td>lo\u1ea1i s\u1ee3i, g\u00f3c b\u1ec7n; th\u1eed xo\u1eafn \u00b125 \u00b0\/m; c\u00f3 l\u00f5i \u0111\u1ee1 aramid kh\u00f4ng<\/td><\/tr><tr><td>8. V\u1ecf ngo\u00e0i PCP 5GM5<\/td><td>ch\u1ecbu m\u00e0i m\u00f2n, c\u1eaft, d\u1ea7u, ozone, UV, n\u01b0\u1edbc bi\u1ec3n<\/td><td>v\u1ecf m\u00f2n th\u1ee7ng th\u00ec \u1ea9m \u0111i theo khe v\u00e0o l\u00f5i v\u00e0 c\u00e1ch \u0111i\u1ec7n xu\u1ed1ng c\u1ea5p<\/td><td>ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n ISO 4649; \u0111\u1ed9 b\u1ec1n x\u00e9; gi\u00e3n d\u00e0i; h\u00fat \u1ea9m; b\u1ec1 d\u00e0y theo ICEA<\/td><\/tr><\/tbody><\/table><\/div><p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> Ba nh\u1eadn x\u00e9t t\u1eeb c\u1ea5u t\u1ea1o v\u00e0 b\u1ea3ng s\u1ed1 li\u1ec7u. <b>Th\u1ee9 nh\u1ea5t<\/b>, kh\u1ed1i l\u01b0\u1ee3ng c\u00e1p ch\u1ee7 y\u1ebfu l\u00e0 cao su: \u0111\u1ed3ng c\u1ee7a ba ru\u1ed9t pha ch\u1ec9 chi\u1ebfm kho\u1ea3ng 11 % kh\u1ed1i l\u01b0\u1ee3ng \u1edf c\u1ee1 4 AWG v\u00e0 25 % \u1edf c\u1ee1 4\/0 AWG (t\u00ednh 8,89 kg\/km cho m\u1ed7i mm\u00b2 \u0111\u1ed3ng; ch\u01b0a k\u1ec3 PE). H\u1ec7 qu\u1ea3 l\u00e0 c\u00e1p n\u1eb7ng so v\u1edbi d\u00f2ng t\u1ea3i, v\u00e0 l\u1ef1c k\u00e9o cho ph\u00e9p t\u00ednh theo ti\u1ebft di\u1ec7n \u0111\u1ed3ng kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 treo chi\u1ec1u d\u00e0i l\u1edbn (m\u1ee5c 5.1). <b>Th\u1ee9 hai<\/b>, l\u1edbp b\u1ec7n polyester l\u00e0 ph\u1ea7n t\u1eed gia c\u01b0\u1eddng duy nh\u1ea5t m\u00e0 datasheet n\u00eau; d\u00e2y PE v\u00e0 ph\u1ea7n t\u1eed quang kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh v\u00e0o l\u1ef1c k\u00e9o. <b>Th\u1ee9 ba<\/b>, \u1edf trung th\u1ebf, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a l\u1edbp b\u00e1n d\u1eabn v\u00e0 \u0111\u1ed9 s\u1ea1ch c\u1ee7a \u0111\u00f9n quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd \u0111i\u1ec7n nhi\u1ec1u h\u01a1n con s\u1ed1 \u0111i\u1ec7n \u00e1p th\u1eed: m\u1ed9t l\u1ed7 kh\u00ed nh\u1ecf \u1edf m\u1eb7t ph\u00e2n c\u00e1ch l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u c\u1ee7a ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9, v\u00ec v\u1eady FeiChun nh\u1ea5n m\u1ea1nh \u0111\u00f9n \u0111\u1ed3ng th\u1eddi ba l\u1edbp cho c\u00e1p VDE 0250-813<sup class=\"ref-n\">[13]<\/sup>.<\/p><div class=\"note\"><b>Ghi ch\u00fa v\u1ec1 v\u1eadt li\u1ec7u v\u1ecf.<\/b> Datasheet ghi v\u1ecf ngo\u00e0i l\u00e0 polychloroprene PROTOFIRM (t\u1ed1i thi\u1ec3u 5GM5) v\u1edbi b\u1ec1 d\u00e0y theo ICEA; cho \u1ee9ng d\u1ee5ng nhi\u1ec1u n\u01b0\u1edbc, nhi\u1ec1u axit ho\u1eb7c \u0111\u1ed9 \u1ea9m tuy\u1ec7t \u0111\u1ed1i cao, h\u00e3y h\u1ecfi FeiChun v\u1ec1 ph\u01b0\u01a1ng \u00e1n v\u1ecf CPE ho\u1eb7c PUR polyether (m\u1ee5c 9).<\/div><\/section>\n<section id=\"s3\"><h2>3. Th\u00f4ng s\u1ed1 theo datasheet<\/h2><div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>\u0110i\u1ec7n, nhi\u1ec7t v\u00e0 h\u00f3a<\/caption><thead><tr><th>Th\u00f4ng s\u1ed1<\/th><th>Gi\u00e1 tr\u1ecb<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody><tr><td>\u0110i\u1ec7n \u00e1p danh ngh\u0129a U<\/td><td>15 000 V<sup class=\"ref-n\">[1]<\/sup><\/td><td>h\u1ecd c\u00f9ng lo\u1ea1i c\u00f3 c\u1ea5p 8,7\/15 kV<sup class=\"ref-n\">[2]<\/sup><\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p th\u1eed xoay chi\u1ec1u<\/td><td>29 kV (ru\u1ed9t ch\u00ednh); 2 kV (l\u00f5i \u0111i\u1ec1u khi\u1ec3n)<sup class=\"ref-n\">[1]<\/sup><\/td><td>t\u1ef7 s\u1ed1 3,35 \u00d7 U0 (t\u00e1c gi\u1ea3 t\u00ednh, U0 = 8,66 kV)<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 ru\u1ed9t<\/td><td>90 \u00b0C l\u00e0m vi\u1ec7c; 250 \u00b0C ng\u1eafn m\u1ea1ch<sup class=\"ref-n\">[1]<\/sup><\/td><td>ng\u1eafn m\u1ea1ch t\u00ednh v\u1edbi k = 143 (m\u1ee5c 5.5)<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, l\u1eafp c\u1ed1 \u0111\u1ecbnh<\/td><td>\u221240 \u2026 +80 \u00b0C<sup class=\"ref-n\">[1]<\/sup><\/td><td>\u2014<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, chuy\u1ec3n \u0111\u1ed9ng<\/td><td>\u221235 \u2026 +60 \u00b0C<sup class=\"ref-n\">[1]<\/sup><\/td><td>th\u1ea5p h\u01a1n m\u1ee9c +80 \u00b0C c\u1ee7a c\u00e1p (M) R LWL 6\/10 kV<sup class=\"ref-n\">[14]<\/sup><\/td><\/tr><tr><td>H\u00f3a v\u00e0 ch\u00e1y<\/td><td>IEC\/EN 60332-1-2; d\u1ea7u IEC\/EN 60811-404; ozone; UV; n\u01b0\u1edbc bi\u1ec3n<sup class=\"ref-n\">[1]<\/sup><\/td><td>PCP ch\u1ee9a clo; datasheet kh\u00f4ng n\u00eau IEC 60754 hay IEC 61034<\/td><\/tr><\/tbody><\/table><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:1000px\"><caption>C\u01a1 h\u1ecdc<\/caption><thead><tr><th>Th\u00f4ng s\u1ed1<\/th><th>Gi\u00e1 tr\u1ecb<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody><tr><td>L\u1ef1c k\u00e9o (quy t\u1eafc)<\/td><td>20 N\/mm\u00b2 t\u0129nh; 30 N\/mm\u00b2 \u0111\u1ed9ng<sup class=\"ref-n\">[1]<\/sup><\/td><td>t\u00ednh tr\u00ean t\u1ed5ng ti\u1ebft di\u1ec7n ba ru\u1ed9t pha; m\u1ee5c 4 ki\u1ec3m tra c\u1ea3 13 d\u00f2ng<\/td><\/tr><tr><td>Xo\u1eafn<\/td><td>\u00b125 \u00b0\/m<sup class=\"ref-n\">[1]<\/sup><\/td><td>tr\u00ean 10 m chi\u1ec1u d\u00e0i t\u1ef1 do: \u00b1250\u00b0, t\u1ee9c \u00b10,7 v\u00f2ng (t\u00e1c gi\u1ea3 t\u00ednh)<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9<\/td><td>tang (cu\u1ed1n): kh\u00f4ng h\u1ea1n ch\u1ebf; tr\u00ean 240 m\/ph\u00fat n\u00ean h\u1ecfi h\u00e3ng<sup class=\"ref-n\">[1]<\/sup><\/td><td>240 m\/ph\u00fat = 4 m\/s<\/td><\/tr><tr><td>B\u00e1n k\u00ednh u\u1ed1n (VDE 0298-3)<\/td><td>6\u00d7D c\u1ed1 \u0111\u1ecbnh; 10\u00d7D chuy\u1ec3n \u0111\u1ed9ng; \u2265 20\u00d7D gi\u1eefa hai l\u1ea7n \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S<sup class=\"ref-n\">[1]<\/sup><\/td><td>D l\u1ea5y theo \u00d8 ngo\u00e0i l\u1edbn nh\u1ea5t<\/td><\/tr><tr><td>Th\u1eed c\u01a1 trong datasheet<\/td><td>u\u1ed1n ng\u01b0\u1ee3c (reversed bending); u\u1ed1n tr\u00ean con l\u0103n (roller bending); xo\u1eafn (torsional stress)<sup class=\"ref-n\">[1]<\/sup><\/td><td>datasheet kh\u00f4ng c\u00f4ng b\u1ed1 s\u1ed1 chu k\u1ef3<\/td><\/tr><tr><td>D\u00f2ng cho ph\u00e9p<\/td><td>132 A (4 AWG) \u2026 364 A (4\/0 AWG); theo VDE 0298-4, \u0111\u1eb7t t\u1ef1 do trong kh\u00f4ng kh\u00ed \u1edf 30 \u00b0C<sup class=\"ref-n\">[1]<\/sup><\/td><td>ch\u01b0a g\u1ed3m h\u1ec7 s\u1ed1 tang, nhi\u1ec7t \u0111\u1ed9 v\u00e0 nh\u00f3m<\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>V\u1ec1 \u00abkh\u00f4ng h\u1ea1n ch\u1ebf t\u1ed1c \u0111\u1ed9\u00bb.<\/b> Datasheet ghi t\u1ed1c \u0111\u1ed9 ch\u1ea1y gi\u00e0n (cu\u1ed1n tang) kh\u00f4ng h\u1ea1n ch\u1ebf, v\u00e0 khuy\u1ebfn ngh\u1ecb h\u1ecfi nh\u00e0 s\u1ea3n xu\u1ea5t khi tr\u00ean 240 m\/ph\u00fat. \u0110\u00e2y l\u00e0 gi\u00e1 tr\u1ecb h\u01b0\u1edbng d\u1eabn, kh\u00f4ng ph\u1ea3i b\u1ea3o \u0111\u1ea3m tu\u1ed5i th\u1ecd: 240 m\/ph\u00fat t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 4 m\/s; v\u1edbi gia t\u1ed1c 0,5 m\/s\u00b2 c\u1ea7n 8 s v\u00e0 16 m h\u00e0nh tr\u00ecnh (t\u00e1c gi\u1ea3 t\u00ednh). T\u1ed1c \u0111\u1ed9 cao l\u00e0m t\u0103ng l\u1ef1c qu\u00e1n t\u00ednh c\u1ee7a cu\u1ed9n c\u00e1p tr\u00ean tang v\u00e0 sinh nhi\u1ec7t do u\u1ed1n l\u1eb7p, n\u00ean c\u1ea7n s\u1ed1 chu k\u1ef3 u\u1ed1n theo b\u00e1n k\u00ednh v\u00e0 t\u1ed1c \u0111\u1ed9 th\u1ef1c m\u00e0 datasheet kh\u00f4ng c\u00f4ng b\u1ed1.<\/div><div class=\"warn\"><b>L\u1ec7ch v\u00e0 thi\u1ebfu gi\u1eefa c\u00e1c ngu\u1ed3n.<\/b> (1) Faber m\u00f4 t\u1ea3 h\u1ecd (N)TSKCGEWOEU d\u00f9ng cho festoon v\u00e0 c\u1ea9u container t\u1ed1c \u0111\u1ed9 cao<sup class=\"ref-n\">[3]<\/sup>, c\u00f2n datasheet n\u00e0y ch\u1ec9 li\u1ec7t k\u00ea c\u00e1c tang (r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, c\u1ea9u g\u1ed7, d\u1ee1 t\u00e0u, x\u1ebfp t\u00e0u)<sup class=\"ref-n\">[1]<\/sup>. (2) Datasheet ghi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng khi chuy\u1ec3n \u0111\u1ed9ng \u221235 \u2026 +60 \u00b0C, trong khi c\u00e1p (M) R LWL 6\/10 kV ghi \u221235 \u2026 +80 \u00b0C<sup class=\"ref-n\">[14]<\/sup>. (3) B\u1ea3ng \u0111\u01a1n v\u1ecb quang ghi b\u0103ng th\u00f4ng b\u1eb1ng \u00abMHz\u00bb, c\u00f2n \u0111\u01a1n v\u1ecb chu\u1ea9n c\u1ee7a s\u1ee3i \u0111a mode l\u00e0 MHz\u00b7km (m\u1ee5c 6). (4) Datasheet g\u1eafn nh\u00e3n \u00absingle-mode graded index\u00bb cho s\u1ee3i E9; s\u1ee3i \u0111\u01a1n mode th\u00f4ng th\u01b0\u1eddng l\u00e0 chi\u1ebft su\u1ea5t b\u1eadc, n\u00ean \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 nh\u00e3n chung c\u1ee7a b\u1ea3ng (m\u1ee5c 6). (5) Datasheet kh\u00f4ng c\u00f4ng b\u1ed1 b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n v\u00e0 v\u1ecf, \u0111i\u1ec7n tr\u1edf ru\u1ed9t, \u0111i\u1ec7n dung, \u0111i\u1ec7n kh\u00e1ng hay s\u1ed1 chu k\u1ef3 u\u1ed1n. Khi thi\u1ebft k\u1ebf, h\u00e3y d\u00f9ng b\u1ea3ng d\u1eef li\u1ec7u theo l\u00f4 c\u1ee7a \u0111\u00fang m\u00e3.<\/div><\/section>\n<section id=\"s4\"><h2>4. K\u00edch th\u01b0\u1edbc, ki\u1ec3m tra theo b\u1ea3ng v\u00e0 \u0111\u1ed5i AWG sang mm\u00b2<\/h2><p>B\u1ea3ng d\u01b0\u1edbi gom to\u00e0n b\u1ed9 13 d\u00f2ng c\u1ee7a datasheet<sup class=\"ref-n\">[1]<\/sup>. C\u00e1c c\u1ed9t mm\u00b2, R chuy\u1ec3n \u0111\u1ed9ng, l\u00f5i tang t\u1ed1i thi\u1ec3u v\u00e0 ki\u1ec3m tra l\u1ef1c k\u00e9o do t\u00e1c gi\u1ea3 th\u00eam; s\u1ed1 li\u1ec7u c\u00f2n l\u1ea1i l\u00e0 s\u1ed1 c\u1ee7a datasheet. D l\u1ea5y theo gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t c\u1ee7a kho\u1ea3ng \u00d8 c\u00e1p.<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:1500px\"><caption>K\u00edch th\u01b0\u1edbc, kh\u1ed1i l\u01b0\u1ee3ng, gi\u1edbi h\u1ea1n k\u00e9o v\u00e0 d\u00f2ng c\u1ee7a 13 c\u1ea5u t\u1ea1o (datasheet [1])<\/caption><thead><tr><th>C\u1ea5u t\u1ea1o<\/th><th>M\u00e3 (SAP \/ ngo\u00e0i)<\/th><th>\u00d8 ru\u1ed9t, mm<\/th><th>\u00d8 c\u00e1p, mm<\/th><th>Kh\u1ed1i l\u01b0\u1ee3ng, kg\/km<\/th><th>K\u00e9o t\u0129nh, N<\/th><th>K\u00e9o \u0111\u1ed9ng, N<\/th><th>D\u00f2ng, A (30 \u00b0C)<\/th><th>\u03a3S 3 ru\u1ed9t pha, mm\u00b2 (t\u00e1c gi\u1ea3)<\/th><th>R chuy\u1ec3n \u0111\u1ed9ng 10\u00d7D, mm (t\u00e1c gi\u1ea3)<\/th><th>L\u00f5i tang t\u1ed1i thi\u1ec3u 20\u00d7D, mm (t\u00e1c gi\u1ea3)<\/th><\/tr><\/thead><tbody><tr><td>3\u00d74AWG+<wbr>2\u00d78AWG+<wbr>1\u00d7LWL<\/td><td>5DK8***<\/td><td>6,8<\/td><td>57,6 \u2013 61,6<\/td><td>5 100<\/td><td>1 270<\/td><td>1 905<\/td><td>132<\/td><td>63,4<\/td><td>616<\/td><td>1 232<\/td><\/tr><tr><td>3\u00d74AWG+<wbr>1\u00d75AWG+<wbr>1\u00d78AWG+<wbr>1\u00d7(12E9LWL)<\/td><td>20412163<\/td><td>6,8<\/td><td>58,0 \u2013 62,0<\/td><td>5 150<\/td><td>1 270<\/td><td>1 905<\/td><td>132<\/td><td>63,4<\/td><td>620<\/td><td>1 240<\/td><\/tr><tr><td>3\u00d72AWG+<wbr>2\u00d76AWG+<wbr>1\u00d7(6G62,5LWL)<\/td><td>20121170<\/td><td>8,4<\/td><td>60,7 \u2013 64,7<\/td><td>5 820<\/td><td>2 020<\/td><td>3 030<\/td><td>176<\/td><td>100,9<\/td><td>647<\/td><td>1 294<\/td><\/tr><tr><td>3\u00d72AWG+<wbr>1\u00d74AWG+<wbr>1\u00d78AWG+<wbr>1\u00d7(12G62,5LWL)<\/td><td>20014564<\/td><td>8,4<\/td><td>60,7 \u2013 64,7<\/td><td>5 870<\/td><td>2 020<\/td><td>3 030<\/td><td>176<\/td><td>100,9<\/td><td>647<\/td><td>1 294<\/td><\/tr><tr><td>3\u00d71AWG+<wbr>2\u00d75AWG+<wbr>1\u00d7LWL<\/td><td>5DK8***<\/td><td>9,5<\/td><td>65,7 \u2013 69,7<\/td><td>6 800<\/td><td>2 540<\/td><td>3 810<\/td><td>204<\/td><td>127,2<\/td><td>697<\/td><td>1 394<\/td><\/tr><tr><td>3\u00d71AWG+<wbr>1\u00d72AWG+<wbr>1\u00d78AWG+<wbr>1\u00d7(12E9LWL)<\/td><td>20377643<\/td><td>9,5<\/td><td>65,7 \u2013 69,7<\/td><td>6 850<\/td><td>2 540<\/td><td>3 810<\/td><td>204<\/td><td>127,2<\/td><td>697<\/td><td>1 394<\/td><\/tr><tr><td>3\u00d71\/0AWG+<wbr>2\u00d74AWG+<wbr>1\u00d7(12E9LWL)<\/td><td>5DK8***<\/td><td>10,6<\/td><td>66,9 \u2013 70,9<\/td><td>7 500<\/td><td>3 210<\/td><td>4 815<\/td><td>236<\/td><td>160,5<\/td><td>709<\/td><td>1 418<\/td><\/tr><tr><td>3\u00d71\/0AWG+<wbr>1\u00d71AWG+<wbr>1\u00d78AWG+<wbr>1\u00d7(12E9LWL)<\/td><td>20377789<\/td><td>10,6<\/td><td>66,9 \u2013 70,9<\/td><td>7 550<\/td><td>3 210<\/td><td>4 815<\/td><td>236<\/td><td>160,5<\/td><td>709<\/td><td>1 418<\/td><\/tr><tr><td>3\u00d72\/0AWG+<wbr>2\u00d73AWG+<wbr>1\u00d7LWL<\/td><td>5DK8***<\/td><td>11,8<\/td><td>70,7 \u2013 74,7<\/td><td>8 550<\/td><td>4 050<\/td><td>6 075<\/td><td>273<\/td><td>202,3<\/td><td>747<\/td><td>1 494<\/td><\/tr><tr><td>3\u00d73\/0AWG+<wbr>2\u00d72AWG+<wbr>1\u00d7(18E9LWL)<\/td><td>5DK8***<\/td><td>13,5<\/td><td>76,8 \u2013 81,0<\/td><td>10 240<\/td><td>5 100<\/td><td>7 650<\/td><td>315<\/td><td>255,0<\/td><td>810<\/td><td>1 620<\/td><\/tr><tr><td>3\u00d73\/0AWG+<wbr>1\u00d71AWG+<wbr>1\u00d78AWG+<wbr>1\u00d7(LWL)<\/td><td>5DK8***<\/td><td>13,5<\/td><td>77,0 \u2013 81,0<\/td><td>10 300<\/td><td>5 100<\/td><td>7 650<\/td><td>315<\/td><td>255,0<\/td><td>810<\/td><td>1 620<\/td><\/tr><tr><td>3\u00d74\/0AWG+<wbr>2\u00d71AWG+<wbr>1\u00d7LWL<\/td><td>5DK8***<\/td><td>15,0<\/td><td>80,8 \u2013 84,8<\/td><td>11 460<\/td><td>6 430<\/td><td>9 645<\/td><td>364<\/td><td>321,6<\/td><td>848<\/td><td>1 696<\/td><\/tr><tr><td>3\u00d74\/0AWG+<wbr>2\u00d71\/0AWG+<wbr>1\u00d78AWG+<wbr>1\u00d7LWL<\/td><td>5DK8***<\/td><td>15,0<\/td><td>80,8 \u2013 84,8<\/td><td>11 600<\/td><td>6 430<\/td><td>9 645<\/td><td>364<\/td><td>321,6<\/td><td>848<\/td><td>1 696<\/td><\/tr><\/tbody><\/table><\/div><div class=\"formula\"><b>T<sub>t\u0129nh<\/sub> = 20 \u00b7 \u03a3S; T<sub>\u0111\u1ed9ng<\/sub> = 30 \u00b7 \u03a3S; R = 10 \u00b7 D<sub>max<\/sub>; \u00d8 l\u00f5i tang \u2265 2R = 20 \u00b7 D<sub>max<\/sub>; v\u00ed d\u1ee5 3\u00d71\/0 AWG: \u03a3S = 3 \u00b7 53,49 = 160,5 mm\u00b2; 20 \u00b7 160,5 = 3 210 N; 30 \u00b7 160,5 = 4 815 N; R = 10 \u00b7 70,9 = 709 mm<\/b><\/div><p><b>Ki\u1ec3m tra:<\/b> c\u1ea3 13 d\u00f2ng kh\u1edbp c\u00f4ng th\u1ee9c l\u1ef1c k\u00e9o v\u1edbi sai l\u1ec7ch t\u1ed1i \u0111a 7 N do l\u00e0m tr\u00f2n (v\u00ed d\u1ee5 3\u00d74\/0 AWG: 20 \u00b7 321,6 = 6 432 N so v\u1edbi 6 430 N), l\u1ef1c k\u00e9o \u0111\u1ed9ng lu\u00f4n b\u1eb1ng 1,5 l\u1ea7n l\u1ef1c k\u00e9o t\u0129nh, v\u00e0 d\u00f2ng ch\u1ec9 ph\u1ee5 thu\u1ed9c c\u1ee1 ru\u1ed9t pha. L\u1ef1c k\u00e9o ch\u1ec9 t\u00ednh ba ru\u1ed9t pha; d\u00e2y PE v\u00e0 ground check kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh. Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a c\u00e1p t\u1eeb 5,1 \u0111\u1ebfn 11,6 kg\/m, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i t\u1eeb 57,6 \u0111\u1ebfn 84,8 mm: \u0111\u00e2y l\u00e0 c\u00e1p c\u1ee1 l\u1edbn, n\u1eb7ng h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1p festoon hay c\u00e1p x\u00edch d\u1eabn.<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:1000px\"><caption>\u0110\u1ed5i AWG sang mm\u00b2 v\u00e0 so v\u1edbi c\u1ee1 m\u00e9t g\u1ea7n nh\u1ea5t (t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>C\u1ee1 ru\u1ed9t pha<\/th><th>mm\u00b2<\/th><th>\u00d8 ru\u1ed9t datasheet, mm<\/th><th>C\u1ee1 m\u00e9t g\u1ea7n nh\u1ea5t<\/th><th>Ch\u00eanh so v\u1edbi c\u1ee1 m\u00e9t<\/th><th>R<sub>20<\/sub> l\u00fd thuy\u1ebft, \u03a9\/km<\/th><th>R<sub>90<\/sub> l\u00fd thuy\u1ebft, \u03a9\/km<\/th><th>D\u00f2ng datasheet, A<\/th><\/tr><\/thead><tbody><tr><td>4 AWG<\/td><td>21,15<\/td><td>6,8<\/td><td>25 mm\u00b2<\/td><td>\u221215 %<\/td><td>0,815<\/td><td>1,039<\/td><td>132<\/td><\/tr><tr><td>2 AWG<\/td><td>33,62<\/td><td>8,4<\/td><td>35 mm\u00b2<\/td><td>\u22124 %<\/td><td>0,513<\/td><td>0,654<\/td><td>176<\/td><\/tr><tr><td>1 AWG<\/td><td>42,41<\/td><td>9,5<\/td><td>50 mm\u00b2<\/td><td>\u221215 %<\/td><td>0,407<\/td><td>0,518<\/td><td>204<\/td><\/tr><tr><td>1\/0 AWG<\/td><td>53,49<\/td><td>10,6<\/td><td>50 mm\u00b2<\/td><td>+7 %<\/td><td>0,322<\/td><td>0,411<\/td><td>236<\/td><\/tr><tr><td>2\/0 AWG<\/td><td>67,43<\/td><td>11,8<\/td><td>70 mm\u00b2<\/td><td>\u22124 %<\/td><td>0,256<\/td><td>0,326<\/td><td>273<\/td><\/tr><tr><td>3\/0 AWG<\/td><td>85,01<\/td><td>13,5<\/td><td>95 mm\u00b2<\/td><td>\u221211 %<\/td><td>0,203<\/td><td>0,259<\/td><td>315<\/td><\/tr><tr><td>4\/0 AWG<\/td><td>107,20<\/td><td>15,0<\/td><td>120 mm\u00b2<\/td><td>\u221211 %<\/td><td>0,161<\/td><td>0,205<\/td><td>364<\/td><\/tr><\/tbody><\/table><\/div><p>R<sub>20<\/sub> l\u00fd thuy\u1ebft t\u00ednh cho \u0111\u1ed3ng \u1ee7 (17,241 \u03a9\u00b7mm\u00b2\/km) v\u00e0 R<sub>90<\/sub> = R<sub>20<\/sub> \u00b7 1,275; ru\u1ed9t m\u1ea1 thi\u1ebfc b\u1ec7n th\u1ef1c c\u00f3 \u0111i\u1ec7n tr\u1edf nh\u1ec9nh h\u01a1n v\u00e0i ph\u1ea7n tr\u0103m v\u00e0 datasheet kh\u00f4ng c\u00f4ng b\u1ed1 \u0111i\u1ec7n tr\u1edf, n\u00ean c\u1ea7n y\u00eau c\u1ea7u R<sub>20<\/sub> \u0111o theo m\u00e3. Ch\u1ec9 c\u00f3 2 AWG \u2248 35 mm\u00b2, 1\/0 AWG \u2248 50 mm\u00b2 v\u00e0 2\/0 AWG \u2248 70 mm\u00b2 x\u1ea5p x\u1ec9 c\u1ee1 m\u00e9t; c\u1ee1 4, 1, 3\/0 v\u00e0 4\/0 AWG n\u1eb1m gi\u1eefa hai c\u1ee1 m\u00e9t (ch\u00eanh 4 \u2013 15 %), v\u00ec v\u1eady khi thay c\u00e1p m\u00e9t b\u1eb1ng c\u00e1p AWG ph\u1ea3i ki\u1ec3m tra l\u1ea1i d\u00f2ng v\u00e0 l\u1ef1c k\u00e9o thay v\u00ec \u0111\u1ed5i theo t\u00ean c\u1ee1.<\/p><div class=\"note\"><b>K\u00edch th\u01b0\u1edbc th\u1ef1c.<\/b> C\u00e1c d\u00f2ng \u00ab5DK8***\u00bb ch\u01b0a c\u00f3 m\u00e3 \u0111\u1ea7y \u0111\u1ee7; kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c c\u1ea5u h\u00ecnh kh\u00e1c nhau ch\u1ec9 l\u1ec7ch 0,5 \u2013 1,5 % \u1edf c\u00f9ng c\u1ee1 ru\u1ed9t pha (v\u00ed d\u1ee5 3\u00d74\/0 AWG: 11 460 v\u00e0 11 600 kg\/km). Thi\u1ebft k\u1ebf tang, m\u00e1ng v\u00e0 con l\u0103n theo b\u1ea3ng c\u1ee7a l\u00f4 h\u00e0ng c\u1ee5 th\u1ec3, kh\u00f4ng theo b\u1ea3ng tham kh\u1ea3o.<\/div><\/section>\n<section id=\"s5\"><h2>5. T\u00ednh to\u00e1n cho tang, tuy\u1ebfn c\u00e1p v\u00e0 ngu\u1ed3n \u0111i\u1ec7n<\/h2><h3>5.1 L\u1ef1c k\u00e9o, chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng v\u00e0 chi\u1ec1u d\u00e0i k\u00e9o l\u00ea<\/h3><div class=\"formula\"><b>L<sub>treo<\/sub> = T \/ (m\u2032 \u00b7 g); L<sub>k\u00e9o l\u00ea<\/sub> = T \/ (\u03bc \u00b7 m\u2032 \u00b7 g); F<sub>t\u0103ng t\u1ed1c<\/sub> = m\u2032 \u00b7 L \u00b7 a; v\u00ed d\u1ee5 3\u00d71\/0 AWG: T = 3 210 N, m\u2032 = 7,55 kg\/m \u2192 m\u2032 \u00b7 g \u2248 74,1 N\/m \u2192 L<sub>treo<\/sub> \u2248 43 m<\/b><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:1000px\"><caption>L\u1ef1c k\u00e9o, chi\u1ec1u d\u00e0i treo v\u00e0 chi\u1ec1u d\u00e0i k\u00e9o l\u00ea t\u1ed1i \u0111a (t\u00e1c gi\u1ea3 t\u00ednh t\u1eeb datasheet [1])<\/caption><thead><tr><th>C\u1ea5u t\u1ea1o (d\u00f2ng \u0111\u1ea7u c\u1ee7a m\u1ed7i c\u1ee1)<\/th><th>T t\u0129nh, N<\/th><th>T \u0111\u1ed9ng, N<\/th><th>m\u2032, kg\/m<\/th><th>Treo th\u1eb3ng \u0111\u1ee9ng (t\u0129nh), m<\/th><th>Treo th\u1eb3ng \u0111\u1ee9ng (\u0111\u1ed9ng), m<\/th><th>K\u00e9o l\u00ea \u03bc = 0,4, m<\/th><th>\u03bc = 0,6, m<\/th><th>\u03bc = 0,8, m<\/th><\/tr><\/thead><tbody><tr><td>3\u00d74 AWG<\/td><td>1 270<\/td><td>1 905<\/td><td>5,10<\/td><td>25<\/td><td>38<\/td><td>63<\/td><td>42<\/td><td>32<\/td><\/tr><tr><td>3\u00d72 AWG<\/td><td>2 020<\/td><td>3 030<\/td><td>5,82<\/td><td>35<\/td><td>53<\/td><td>88<\/td><td>59<\/td><td>44<\/td><\/tr><tr><td>3\u00d71 AWG<\/td><td>2 540<\/td><td>3 810<\/td><td>6,80<\/td><td>38<\/td><td>57<\/td><td>95<\/td><td>63<\/td><td>48<\/td><\/tr><tr><td>3\u00d71\/0 AWG<\/td><td>3 210<\/td><td>4 815<\/td><td>7,50<\/td><td>44<\/td><td>65<\/td><td>109<\/td><td>73<\/td><td>55<\/td><\/tr><tr><td>3\u00d72\/0 AWG<\/td><td>4 050<\/td><td>6 075<\/td><td>8,55<\/td><td>48<\/td><td>72<\/td><td>121<\/td><td>80<\/td><td>60<\/td><\/tr><tr><td>3\u00d73\/0 AWG<\/td><td>5 100<\/td><td>7 650<\/td><td>10,24<\/td><td>51<\/td><td>76<\/td><td>127<\/td><td>85<\/td><td>63<\/td><\/tr><tr><td>3\u00d74\/0 AWG<\/td><td>6 430<\/td><td>9 645<\/td><td>11,46<\/td><td>57<\/td><td>86<\/td><td>143<\/td><td>95<\/td><td>71<\/td><\/tr><\/tbody><\/table><\/div><div class=\"svg\"><svg viewBox=\"0 0 900 450\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Chi\u1ec1u d\u00e0i t\u1ed1i \u0111a theo gi\u1edbi h\u1ea1n k\u00e9o t\u0129nh 20 N\/mm\u00b2 (bi\u00ean tr\u00ean, ch\u01b0a t\u00ednh rung v\u00e0 va \u0111\u1eadp)\"><defs>\n<pattern id=\"cuB\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tinB\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gyB\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"peB\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"arB\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbB\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"plB\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hatB\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"900\" height=\"450\" fill=\"#0e1a1e\"><\/rect><text x=\"20\" y=\"30\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\" >Chi\u1ec1u d\u00e0i t\u1ed1i \u0111a theo gi\u1edbi h\u1ea1n k\u00e9o t\u0129nh 20 N\/mm\u00b2 (bi\u00ean tr\u00ean, ch\u01b0a t\u00ednh rung v\u00e0 va \u0111\u1eadp)<\/text><line x1=\"90.0\" y1=\"340.0\" x2=\"860.0\" y2=\"340.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"344\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >0<\/text><line x1=\"90.0\" y1=\"272.5\" x2=\"860.0\" y2=\"272.5\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"276.5\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >40<\/text><line x1=\"90.0\" y1=\"205.0\" x2=\"860.0\" y2=\"205.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"209\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >80<\/text><line x1=\"90.0\" y1=\"137.5\" x2=\"860.0\" y2=\"137.5\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"141.5\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >120<\/text><line x1=\"90.0\" y1=\"70.0\" x2=\"860.0\" y2=\"70.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"74\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >160<\/text><text x=\"20\" y=\"56\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >m<\/text><rect x=\"97.6\" y=\"297.2\" width=\"21.4\" height=\"42.8\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"108.325\" y=\"292.164\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#ffb454\" font-weight=\"bold\" >25<\/text><rect x=\"122.0\" y=\"232.9\" width=\"21.4\" height=\"107.1\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"132.775\" y=\"227.91\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#38c8e8\" font-weight=\"bold\" >63<\/text><rect x=\"146.5\" y=\"268.6\" width=\"21.4\" height=\"71.4\" rx=\"2\" fill=\"#c98aff\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"157.225\" y=\"263.607\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#c98aff\" font-weight=\"bold\" >42<\/text><rect x=\"170.9\" y=\"286.5\" width=\"21.4\" height=\"53.5\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"181.675\" y=\"281.455\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#5fd88a\" font-weight=\"bold\" >32<\/text><text x=\"145\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >4 AWG<\/text><rect x=\"207.6\" y=\"280.3\" width=\"21.4\" height=\"59.7\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"218.325\" y=\"275.296\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#ffb454\" font-weight=\"bold\" >35<\/text><rect x=\"232.0\" y=\"190.7\" width=\"21.4\" height=\"149.3\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"242.775\" y=\"185.74\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#38c8e8\" font-weight=\"bold\" >88<\/text><rect x=\"256.5\" y=\"240.5\" width=\"21.4\" height=\"99.5\" rx=\"2\" fill=\"#c98aff\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"267.225\" y=\"235.493\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#c98aff\" font-weight=\"bold\" >59<\/text><rect x=\"280.9\" y=\"265.4\" width=\"21.4\" height=\"74.6\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"291.675\" y=\"260.37\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#5fd88a\" font-weight=\"bold\" >44<\/text><text x=\"255\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >2 AWG<\/text><rect x=\"317.6\" y=\"275.7\" width=\"21.4\" height=\"64.3\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"328.325\" y=\"270.746\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#ffb454\" font-weight=\"bold\" >38<\/text><rect x=\"342.1\" y=\"179.4\" width=\"21.4\" height=\"160.6\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"352.775\" y=\"174.365\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#38c8e8\" font-weight=\"bold\" >95<\/text><rect x=\"366.5\" y=\"232.9\" width=\"21.4\" height=\"107.1\" rx=\"2\" fill=\"#c98aff\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"377.225\" y=\"227.91\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#c98aff\" font-weight=\"bold\" >63<\/text><rect x=\"391.0\" y=\"259.7\" width=\"21.4\" height=\"80.3\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"401.675\" y=\"254.683\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#5fd88a\" font-weight=\"bold\" >48<\/text><text x=\"365\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >1 AWG<\/text><rect x=\"427.6\" y=\"266.4\" width=\"21.4\" height=\"73.6\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"438.325\" y=\"261.376\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#ffb454\" font-weight=\"bold\" >44<\/text><rect x=\"452.1\" y=\"155.9\" width=\"21.4\" height=\"184.1\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"462.775\" y=\"150.94\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#38c8e8\" font-weight=\"bold\" >109<\/text><rect x=\"476.5\" y=\"217.3\" width=\"21.4\" height=\"122.7\" rx=\"2\" fill=\"#c98aff\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"487.225\" y=\"212.294\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#c98aff\" font-weight=\"bold\" >73<\/text><rect x=\"501.0\" y=\"248.0\" width=\"21.4\" height=\"92.0\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"511.675\" y=\"242.97\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#5fd88a\" font-weight=\"bold\" >55<\/text><text x=\"475\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >1\/0 AWG<\/text><rect x=\"537.6\" y=\"258.5\" width=\"21.4\" height=\"81.5\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"548.325\" y=\"253.518\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#ffb454\" font-weight=\"bold\" >48<\/text><rect x=\"562.1\" y=\"136.3\" width=\"21.4\" height=\"203.7\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"572.775\" y=\"131.294\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#38c8e8\" font-weight=\"bold\" >121<\/text><rect x=\"586.5\" y=\"204.2\" width=\"21.4\" height=\"135.8\" rx=\"2\" fill=\"#c98aff\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"597.225\" y=\"199.196\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#c98aff\" font-weight=\"bold\" >80<\/text><rect x=\"611.0\" y=\"238.1\" width=\"21.4\" height=\"101.9\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"621.675\" y=\"233.147\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#5fd88a\" font-weight=\"bold\" >60<\/text><text x=\"585\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >2\/0 AWG<\/text><rect x=\"647.6\" y=\"254.3\" width=\"21.4\" height=\"85.7\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"658.325\" y=\"249.327\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#ffb454\" font-weight=\"bold\" >51<\/text><rect x=\"672.1\" y=\"125.8\" width=\"21.4\" height=\"214.2\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"682.775\" y=\"120.817\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#38c8e8\" font-weight=\"bold\" >127<\/text><rect x=\"696.5\" y=\"197.2\" width=\"21.4\" height=\"142.8\" rx=\"2\" fill=\"#c98aff\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"707.225\" y=\"192.211\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#c98aff\" font-weight=\"bold\" >85<\/text><rect x=\"721.0\" y=\"232.9\" width=\"21.4\" height=\"107.1\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"731.675\" y=\"227.908\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#5fd88a\" font-weight=\"bold\" >63<\/text><text x=\"695\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >3\/0 AWG<\/text><rect x=\"757.6\" y=\"243.5\" width=\"21.4\" height=\"96.5\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"768.325\" y=\"238.484\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#ffb454\" font-weight=\"bold\" >57<\/text><rect x=\"782.1\" y=\"98.7\" width=\"21.4\" height=\"241.3\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"792.775\" y=\"93.709\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#38c8e8\" font-weight=\"bold\" >143<\/text><rect x=\"806.5\" y=\"179.1\" width=\"21.4\" height=\"160.9\" rx=\"2\" fill=\"#c98aff\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"817.225\" y=\"174.139\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#c98aff\" font-weight=\"bold\" >95<\/text><rect x=\"831.0\" y=\"219.4\" width=\"21.4\" height=\"120.6\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"841.675\" y=\"214.354\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10.5\" fill=\"#5fd88a\" font-weight=\"bold\" >71<\/text><text x=\"805\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >4\/0 AWG<\/text><rect x=\"90.0\" y=\"388.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"110\" y=\"400\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >treo th\u1eb3ng \u0111\u1ee9ng<\/text><rect x=\"227.5\" y=\"388.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"247.5\" y=\"400\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >k\u00e9o l\u00ea \u03bc = 0,4<\/text><rect x=\"358.1\" y=\"388.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#c98aff\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"378.1\" y=\"400\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >k\u00e9o l\u00ea \u03bc = 0,6<\/text><rect x=\"488.7\" y=\"388.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"508.7\" y=\"400\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >k\u00e9o l\u00ea \u03bc = 0,8<\/text><text x=\"90\" y=\"436\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >L = T \/ (\u03bc \u00b7 m\u2032 \u00b7 g) v\u1edbi T = 20 \u00b7 3 \u00b7 S (N), m\u2032 theo b\u1ea3ng kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a datasheet [1]; \u03bc l\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t gi\u1ea3 \u0111\u1ecbnh c\u1ee7a t\u00e1c gi\u1ea3<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 2. Chi\u1ec1u d\u00e0i t\u1ed1i \u0111a theo gi\u1edbi h\u1ea1n k\u00e9o t\u0129nh: ch\u1ec9 25 \u2013 57 m khi treo th\u1eb3ng \u0111\u1ee9ng v\u00e0 42 \u2013 95 m khi k\u00e9o l\u00ea (\u03bc = 0,6); t\u0103ng ti\u1ebft di\u1ec7n h\u1ea7u nh\u01b0 kh\u00f4ng k\u00e9o d\u00e0i th\u00eam v\u00ec kh\u1ed1i l\u01b0\u1ee3ng c\u00e1p t\u0103ng theo g\u1ea7n nh\u01b0 t\u1ef7 l\u1ec7 v\u1edbi l\u1ef1c k\u00e9o cho ph\u00e9p.<\/div><\/div><p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> Con s\u1ed1 \u0111\u00e1ng ch\u00fa \u00fd nh\u1ea5t c\u1ee7a c\u00e1p n\u00e0y l\u00e0 chi\u1ec1u d\u00e0i treo: \u1edf 3\u00d71\/0 AWG, l\u1ef1c k\u00e9o t\u0129nh 3 210 N ch\u1ec9 \u0111\u1ee1 \u0111\u01b0\u1ee3c kho\u1ea3ng 43 m c\u00e1p treo th\u1eb3ng \u0111\u1ee9ng, \u1edf 3\u00d74\/0 AWG kho\u1ea3ng 57 m. \u0110\u1ec3 so s\u00e1nh, c\u00e1p PROTOLON (M) R LWL 6\/10 kV 3\u00d7240 mm\u00b2 c\u00f3 l\u1ef1c k\u00e9o 14 400 N v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng 12,6 kg\/m, t\u1ee9c kho\u1ea3ng 116 m<sup class=\"ref-n\">[14]<\/sup>. Nguy\u00ean nh\u00e2n l\u00e0 c\u00e1p 15 kV c\u00f3 c\u00e1ch \u0111i\u1ec7n v\u00e0 v\u1ecf d\u00e0y h\u01a1n so v\u1edbi l\u01b0\u1ee3ng \u0111\u1ed3ng ch\u1ecbu k\u00e9o (\u0111\u1ed3ng ch\u1ec9 kho\u1ea3ng 11 \u2013 25 % kh\u1ed1i l\u01b0\u1ee3ng, m\u1ee5c 2). V\u00ec v\u1eady tuy\u1ebfn c\u00f3 \u0111o\u1ea1n treo th\u1eb3ng \u0111\u1ee9ng d\u00e0i (th\u00e1p m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u, c\u1ea7n m\u00e1y x\u00fac, gi\u1ebfng) ph\u1ea3i \u0111\u1eb7t l\u1ef1c k\u00e9o gi\u1eef c\u00e1p \u1edf tang ho\u1eb7c \u0111\u1ee1 c\u00e1p theo t\u1eebng \u0111o\u1ea1n, v\u00e0 n\u00ean h\u1ecfi FeiChun v\u1ec1 bi\u1ebfn th\u1ec3 c\u00f3 l\u00f5i \u0111\u1ee1 aramid (ch\u1eef K, m\u1ee5c 9). Chi\u1ec1u d\u00e0i k\u00e9o l\u00ea ch\u1ec9 n\u00ean hi\u1ec3u l\u00e0 bi\u00ean tr\u00ean cho \u0111o\u1ea1n ng\u1eafn gi\u1eefa \u0111i\u1ec3m c\u1ea5p v\u00e0 m\u00e1y: l\u00ea d\u00e0i tr\u00ean \u0111\u00e1 c\u1ea7n c\u00e1p k\u00e9o l\u00ea (m\u1ee5c 7, 8).<\/p><p>L\u1ef1c qu\u00e1n t\u00ednh c\u1ed9ng th\u00eam v\u00e0o l\u1ef1c k\u00e9o: c\u00e1p 3\u00d71\/0 AWG d\u00e0i 300 m c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 2 265 kg; gia t\u1ed1c 0,5 m\/s\u00b2 \u0111\u00f2i l\u1ef1c kho\u1ea3ng 1 133 N, t\u1ee9c 35 % l\u1ef1c k\u00e9o t\u0129nh 3 210 N ho\u1eb7c 23 % l\u1ef1c k\u00e9o \u0111\u1ed9ng 4 815 N (v\u00ed d\u1ee5 minh h\u1ecda, ch\u01b0a g\u1ed3m ma s\u00e1t v\u00e0 l\u1ef1c c\u0103ng gi\u1eef c\u1ee7a \u0111\u1ed9ng c\u01a1 tang). Nh\u00e0 s\u1ea3n xu\u1ea5t tang nh\u1ea5n m\u1ea1nh \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 v\u00e0 m\u00f4-men tang l\u00e0m t\u0103ng tu\u1ed5i th\u1ecd c\u00e1p<sup class=\"ref-n\">[14]<\/sup>; l\u1ef1c k\u00e9o th\u1ef1c t\u1ebf ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef d\u01b0\u1edbi 20 N\/mm\u00b2 khi t\u0103ng t\u1ed1c, \u0111\u1ed5i chi\u1ec1u ho\u1eb7c tr\u01b0\u1ee3t tr\u00ean con l\u0103n.<\/p><h3>5.2 B\u00e1n k\u00ednh u\u1ed1n, l\u00f5i tang, kho\u1ea3ng c\u00e1ch ch\u1eef S v\u00e0 t\u1ed1c \u0111\u1ed9 v\u00f2ng quay<\/h3><div class=\"formula\"><b>R<sub>c\u1ed1 \u0111\u1ecbnh<\/sub> = 6 \u00b7 D<sub>max<\/sub>; R<sub>chuy\u1ec3n \u0111\u1ed9ng<\/sub> = 10 \u00b7 D<sub>max<\/sub>; \u00d8 l\u00f5i tang \u2265 2R = 20 \u00b7 D<sub>max<\/sub>; kho\u1ea3ng c\u00e1ch ch\u1eef S \u2265 20 \u00b7 D<sub>max<\/sub>; n = v \/ (\u03c0 \u00b7 D<sub>l\u1edbp<\/sub>)<\/b><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>B\u00e1n k\u00ednh v\u00e0 k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u (D l\u1ea5y theo \u00d8 l\u1edbn nh\u1ea5t c\u1ee7a datasheet; t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>C\u1ea5u t\u1ea1o<\/th><th>D<sub>max<\/sub>, mm<\/th><th>R c\u1ed1 \u0111\u1ecbnh 6\u00d7D, mm<\/th><th>R chuy\u1ec3n \u0111\u1ed9ng 10\u00d7D, mm<\/th><th>L\u00f5i tang t\u1ed1i thi\u1ec3u, mm<\/th><th>Kho\u1ea3ng c\u00e1ch ch\u1eef S, mm<\/th><\/tr><\/thead><tbody><tr><td>3\u00d74 AWG<\/td><td>62,0<\/td><td>372<\/td><td>620<\/td><td>1 240<\/td><td>1 240<\/td><\/tr><tr><td>3\u00d72 AWG<\/td><td>64,7<\/td><td>388<\/td><td>647<\/td><td>1 294<\/td><td>1 294<\/td><\/tr><tr><td>3\u00d71 AWG<\/td><td>69,7<\/td><td>418<\/td><td>697<\/td><td>1 394<\/td><td>1 394<\/td><\/tr><tr><td>3\u00d71\/0 AWG<\/td><td>70,9<\/td><td>425<\/td><td>709<\/td><td>1 418<\/td><td>1 418<\/td><\/tr><tr><td>3\u00d72\/0 AWG<\/td><td>74,7<\/td><td>448<\/td><td>747<\/td><td>1 494<\/td><td>1 494<\/td><\/tr><tr><td>3\u00d73\/0 AWG<\/td><td>81,0<\/td><td>486<\/td><td>810<\/td><td>1 620<\/td><td>1 620<\/td><\/tr><tr><td>3\u00d74\/0 AWG<\/td><td>84,8<\/td><td>509<\/td><td>848<\/td><td>1 696<\/td><td>1 696<\/td><\/tr><\/tbody><\/table><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:700px\"><caption>T\u1ed1c \u0111\u1ed9 v\u00f2ng quay c\u1ee7a tang theo \u0111\u01b0\u1eddng k\u00ednh l\u1edbp c\u00e1p ngo\u00e0i c\u00f9ng (t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>\u00d8 l\u1edbp c\u00e1p, m<\/th><th>n \u1edf 120 m\/ph\u00fat, v\u00f2ng\/ph\u00fat<\/th><th>n \u1edf 240 m\/ph\u00fat, v\u00f2ng\/ph\u00fat<\/th><\/tr><\/thead><tbody><tr><td>1,5 m<\/td><td>25,5<\/td><td>50,9<\/td><\/tr><tr><td>2,5 m<\/td><td>15,3<\/td><td>30,6<\/td><\/tr><tr><td>4,0 m<\/td><td>9,5<\/td><td>19,1<\/td><\/tr><\/tbody><\/table><\/div><p>\u1ede c\u1ee1 4\/0 AWG, l\u00f5i tang t\u1ed1i thi\u1ec3u \u0111\u00e3 l\u00e0 1 696 mm, v\u00e0 khi cu\u1ed1n nhi\u1ec1u l\u1edbp \u0111\u01b0\u1eddng k\u00ednh l\u1edbp ngo\u00e0i t\u0103ng nhanh n\u00ean t\u1ed1c \u0111\u1ed9 v\u00f2ng quay gi\u1ea3m theo. Con l\u0103n d\u1eabn v\u00e0 m\u00e1ng ph\u1ea3i c\u00f3 b\u00e1n k\u00ednh kh\u00f4ng nh\u1ecf h\u01a1n b\u00e1n k\u00ednh u\u1ed1n chuy\u1ec3n \u0111\u1ed9ng 10\u00d7D. V\u1edbi \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S, kho\u1ea3ng c\u00e1ch t\u1ed1i thi\u1ec3u 20\u00d7D gi\u1eefa hai l\u1ea7n \u0111\u1ed5i h\u01b0\u1edbng \u1edf 4\/0 AWG l\u00e0 1 696 mm: \u0111\u00e2y l\u00e0 r\u00e0ng bu\u1ed9c b\u1ed1 tr\u00ed c\u01a1 kh\u00ed hay b\u1ecb b\u1ecf qua khi thi\u1ebft k\u1ebf b\u1ed9 d\u1eabn c\u00e1p.<\/p><h3>5.3 D\u00f2ng cho ph\u00e9p: nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, s\u1ed1 l\u1edbp tr\u00ean tang v\u00e0 hai b\u1ed9 h\u1ec7 s\u1ed1 VDE \u2013 ICEA<\/h3><p>D\u00f2ng trong datasheet l\u00e0 d\u00f2ng theo VDE 0298-4 cho c\u00e1p \u0111\u1eb7t t\u1ef1 do trong kh\u00f4ng kh\u00ed \u1edf 30 \u00b0C<sup class=\"ref-n\">[1]<\/sup>. Hai hi\u1ec7u ch\u1ec9nh c\u1ea7n \u00e1p th\u00eam: nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ed1 l\u1edbp c\u00e1p c\u00f2n tr\u00ean tang.<\/p><div class=\"formula\"><b>I(\u03b8) = I<sub>30<\/sub> \u00b7 \u221a((90 \u2212 \u03b8) \/ 60); I<sub>tang<\/sub> = I<sub>30<\/sub> \u00b7 k<sub>l\u1edbp<\/sub> \u00b7 \u221a((90 \u2212 \u03b8) \/ 60)<\/b><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:800px\"><caption>D\u00f2ng \u0111\u00e3 hi\u1ec7u ch\u1ec9nh theo nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, A (t\u00e1c gi\u1ea3 t\u00ednh; c\u00e1p chuy\u1ec3n \u0111\u1ed9ng t\u1ed1i \u0111a 60 \u00b0C)<\/caption><thead><tr><th>C\u1ea5u t\u1ea1o<\/th><th>30 \u00b0C<\/th><th>35 \u00b0C<\/th><th>40 \u00b0C<\/th><th>45 \u00b0C<\/th><th>50 \u00b0C<\/th><th>55 \u00b0C<\/th><th>60 \u00b0C<\/th><\/tr><\/thead><tbody><tr><td>3\u00d74 AWG<\/td><td>132<\/td><td>126<\/td><td>120<\/td><td>114<\/td><td>108<\/td><td>101<\/td><td>93<\/td><\/tr><tr><td>3\u00d72 AWG<\/td><td>176<\/td><td>169<\/td><td>161<\/td><td>152<\/td><td>144<\/td><td>134<\/td><td>124<\/td><\/tr><tr><td>3\u00d71 AWG<\/td><td>204<\/td><td>195<\/td><td>186<\/td><td>177<\/td><td>167<\/td><td>156<\/td><td>144<\/td><\/tr><tr><td>3\u00d71\/0 AWG<\/td><td>236<\/td><td>226<\/td><td>215<\/td><td>204<\/td><td>193<\/td><td>180<\/td><td>167<\/td><\/tr><tr><td>3\u00d72\/0 AWG<\/td><td>273<\/td><td>261<\/td><td>249<\/td><td>236<\/td><td>223<\/td><td>209<\/td><td>193<\/td><\/tr><tr><td>3\u00d73\/0 AWG<\/td><td>315<\/td><td>302<\/td><td>288<\/td><td>273<\/td><td>257<\/td><td>241<\/td><td>223<\/td><\/tr><tr><td>3\u00d74\/0 AWG<\/td><td>364<\/td><td>349<\/td><td>332<\/td><td>315<\/td><td>297<\/td><td>278<\/td><td>257<\/td><\/tr><\/tbody><\/table><\/div><p class=\"small\">C\u00f4ng th\u1ee9c khu\u1ebfch \u0111\u1ea1i nhi\u1ec7t chu\u1ea9n cho c\u00e1p 90 \u00b0C; h\u1ec7 s\u1ed1 ch\u00ednh th\u1ee9c theo b\u1ea3ng VDE 0298-4 hi\u1ec7n h\u00e0nh. Datasheet kh\u00f4ng t\u00ednh b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi v\u00e0 h\u1ec7 s\u1ed1 nh\u00f3m.<\/p><p>H\u1ec7 s\u1ed1 theo s\u1ed1 l\u1edbp c\u00e1p c\u00f2n tr\u00ean tang l\u1ea5y t\u1eeb VDE 0298-4: 0,80, 0,61, 0,49, 0,42 v\u00e0 0,38 cho m\u1ed9t \u0111\u1ebfn n\u0103m l\u1edbp<sup class=\"ref-n\">[4]<\/sup>. ICEA S-75-381 d\u00f9ng b\u1ed9 h\u1ec7 s\u1ed1 kh\u00e1c, 85, 65, 45 v\u00e0 35 % cho m\u1ed9t \u0111\u1ebfn b\u1ed1n l\u1edbp<sup class=\"ref-n\">[5]<\/sup>. MSHA kh\u00f4ng d\u00f9ng h\u1ec7 s\u1ed1 tang c\u1ee7a ICEA khi x\u00e9t ch\u1ea5p thu\u1eadn thi\u1ebft b\u1ecb: c\u01a1 quan n\u00e0y \u0111\u00e1nh gi\u00e1 d\u00f2ng theo chu k\u1ef3 t\u1ea3i trung b\u00ecnh, gi\u1ea3 \u0111\u1ecbnh ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u00e1o b\u1edbt l\u1edbp c\u00e1p kh\u1ecfi tang \u0111\u1ec3 l\u00e0m m\u00e1t, v\u00e0 c\u1ea3nh b\u00e1o nguy c\u01a1 qu\u00e1 nhi\u1ec7t khi ba \u0111\u1ebfn b\u1ed1n l\u1edbp n\u1eb1m l\u1ea1i tr\u00ean tang trong th\u1eddi gian d\u00e0i; h\u1ec7 s\u1ed1 ICEA d\u1ef1a tr\u00ean d\u00f2ng li\u00ean t\u1ee5c ch\u1ee9 kh\u00f4ng ph\u1ea3i chu k\u1ef3 b\u1eadt \u2013 t\u1eaft c\u1ee7a thi\u1ebft b\u1ecb m\u1ecf<sup class=\"ref-n\">[5]<\/sup>.<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:1100px\"><caption>D\u00f2ng cho ph\u00e9p sau h\u1ec7 s\u1ed1 tang, A, \u1edf 30 \u00b0C (t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>C\u1ea5u t\u1ea1o<\/th><th>I<sub>0<\/sub><\/th><th>VDE 1 l\u1edbp (0,80)<\/th><th>VDE 2 l\u1edbp (0,61)<\/th><th>VDE 3 l\u1edbp (0,49)<\/th><th>VDE 4 l\u1edbp (0,42)<\/th><th>ICEA 1 l\u1edbp (0,85)<\/th><th>ICEA 2 l\u1edbp (0,65)<\/th><th>ICEA 3 l\u1edbp (0,45)<\/th><th>ICEA 4 l\u1edbp (0,35)<\/th><\/tr><\/thead><tbody><tr><td>3\u00d74 AWG<\/td><td>132<\/td><td>106<\/td><td>81<\/td><td>65<\/td><td>55<\/td><td>112<\/td><td>86<\/td><td>59<\/td><td>46<\/td><\/tr><tr><td>3\u00d72 AWG<\/td><td>176<\/td><td>141<\/td><td>107<\/td><td>86<\/td><td>74<\/td><td>150<\/td><td>114<\/td><td>79<\/td><td>62<\/td><\/tr><tr><td>3\u00d71 AWG<\/td><td>204<\/td><td>163<\/td><td>124<\/td><td>100<\/td><td>86<\/td><td>173<\/td><td>133<\/td><td>92<\/td><td>71<\/td><\/tr><tr><td>3\u00d71\/0 AWG<\/td><td>236<\/td><td>189<\/td><td>144<\/td><td>116<\/td><td>99<\/td><td>201<\/td><td>153<\/td><td>106<\/td><td>83<\/td><\/tr><tr><td>3\u00d72\/0 AWG<\/td><td>273<\/td><td>218<\/td><td>167<\/td><td>134<\/td><td>115<\/td><td>232<\/td><td>177<\/td><td>123<\/td><td>96<\/td><\/tr><tr><td>3\u00d73\/0 AWG<\/td><td>315<\/td><td>252<\/td><td>192<\/td><td>154<\/td><td>132<\/td><td>268<\/td><td>205<\/td><td>142<\/td><td>110<\/td><\/tr><tr><td>3\u00d74\/0 AWG<\/td><td>364<\/td><td>291<\/td><td>222<\/td><td>178<\/td><td>153<\/td><td>309<\/td><td>237<\/td><td>164<\/td><td>127<\/td><\/tr><\/tbody><\/table><\/div><div class=\"svg\"><svg viewBox=\"0 0 1100 450\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"D\u00f2ng cho ph\u00e9p theo s\u1ed1 l\u1edbp c\u00e1p tr\u00ean tang: VDE 0298-4 so v\u1edbi ICEA\"><defs>\n<pattern id=\"cuC\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tinC\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gyC\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"peC\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"arC\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbC\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"plC\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hatC\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"1100\" height=\"450\" fill=\"#0e1a1e\"><\/rect><text x=\"20\" y=\"30\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\" >D\u00f2ng cho ph\u00e9p theo s\u1ed1 l\u1edbp c\u00e1p c\u00f2n tr\u00ean tang: h\u1ec7 s\u1ed1 VDE 0298-4 so v\u1edbi h\u1ec7 s\u1ed1 ICEA (t\u00e1c gi\u1ea3 t\u00ednh)<\/text><text x=\"90\" y=\"62\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#e8c37b\" font-weight=\"bold\" >3\u00d71\/0 AWG, I\u2080 = 236 A<\/text><line x1=\"90.0\" y1=\"340.0\" x2=\"540.0\" y2=\"340.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"82\" y=\"344\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >0<\/text><line x1=\"90.0\" y1=\"275.0\" x2=\"540.0\" y2=\"275.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"82\" y=\"279\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >100<\/text><line x1=\"90.0\" y1=\"210.0\" x2=\"540.0\" y2=\"210.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"82\" y=\"214\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >200<\/text><line x1=\"90.0\" y1=\"145.0\" x2=\"540.0\" y2=\"145.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"82\" y=\"149\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >300<\/text><line x1=\"90.0\" y1=\"80.0\" x2=\"540.0\" y2=\"80.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"82\" y=\"84\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >400<\/text><rect x=\"117.0\" y=\"186.6\" width=\"36.0\" height=\"153.4\" rx=\"2\" fill=\"#5b6b73\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"135\" y=\"181.6\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#b8c7ce\" font-weight=\"bold\" >236<\/text><text x=\"135\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >t\u1ef1 do<\/text><rect x=\"195.0\" y=\"217.3\" width=\"28.0\" height=\"122.7\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"209\" y=\"212.28\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#38c8e8\" font-weight=\"bold\" >189<\/text><rect x=\"226.0\" y=\"209.6\" width=\"28.0\" height=\"130.4\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"240\" y=\"204.61\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#ffb454\" font-weight=\"bold\" >201<\/text><text x=\"225\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >1 l\u1edbp<\/text><rect x=\"285.0\" y=\"246.4\" width=\"28.0\" height=\"93.6\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"299\" y=\"241.426\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#38c8e8\" font-weight=\"bold\" >144<\/text><rect x=\"316.0\" y=\"240.3\" width=\"28.0\" height=\"99.7\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"330\" y=\"235.29\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#ffb454\" font-weight=\"bold\" >153<\/text><text x=\"315\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >2 l\u1edbp<\/text><rect x=\"375.0\" y=\"264.8\" width=\"28.0\" height=\"75.2\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"389\" y=\"259.834\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#38c8e8\" font-weight=\"bold\" >116<\/text><rect x=\"406.0\" y=\"271.0\" width=\"28.0\" height=\"69.0\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"420\" y=\"265.97\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#ffb454\" font-weight=\"bold\" >106<\/text><text x=\"405\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >3 l\u1edbp<\/text><rect x=\"465.0\" y=\"275.6\" width=\"28.0\" height=\"64.4\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"479\" y=\"270.572\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#38c8e8\" font-weight=\"bold\" >99<\/text><rect x=\"496.0\" y=\"286.3\" width=\"28.0\" height=\"53.7\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"510\" y=\"281.31\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#ffb454\" font-weight=\"bold\" >83<\/text><text x=\"495\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >4 l\u1edbp<\/text><text x=\"630\" y=\"62\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#e8c37b\" font-weight=\"bold\" >3\u00d74\/0 AWG, I\u2080 = 364 A<\/text><line x1=\"630.0\" y1=\"340.0\" x2=\"1080.0\" y2=\"340.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"622\" y=\"344\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >0<\/text><line x1=\"630.0\" y1=\"275.0\" x2=\"1080.0\" y2=\"275.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"622\" y=\"279\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >100<\/text><line x1=\"630.0\" y1=\"210.0\" x2=\"1080.0\" y2=\"210.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"622\" y=\"214\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >200<\/text><line x1=\"630.0\" y1=\"145.0\" x2=\"1080.0\" y2=\"145.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"622\" y=\"149\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >300<\/text><line x1=\"630.0\" y1=\"80.0\" x2=\"1080.0\" y2=\"80.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"622\" y=\"84\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >400<\/text><rect x=\"657.0\" y=\"103.4\" width=\"36.0\" height=\"236.6\" rx=\"2\" fill=\"#5b6b73\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"675\" y=\"98.4\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#b8c7ce\" font-weight=\"bold\" >364<\/text><text x=\"675\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >t\u1ef1 do<\/text><rect x=\"735.0\" y=\"150.7\" width=\"28.0\" height=\"189.3\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"749\" y=\"145.72\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#38c8e8\" font-weight=\"bold\" >291<\/text><rect x=\"766.0\" y=\"138.9\" width=\"28.0\" height=\"201.1\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"780\" y=\"133.89\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#ffb454\" font-weight=\"bold\" >309<\/text><text x=\"765\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >1 l\u1edbp<\/text><rect x=\"825.0\" y=\"195.7\" width=\"28.0\" height=\"144.3\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"839\" y=\"190.674\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#38c8e8\" font-weight=\"bold\" >222<\/text><rect x=\"856.0\" y=\"186.2\" width=\"28.0\" height=\"153.8\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"870\" y=\"181.21\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#ffb454\" font-weight=\"bold\" >237<\/text><text x=\"855\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >2 l\u1edbp<\/text><rect x=\"915.0\" y=\"224.1\" width=\"28.0\" height=\"115.9\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"929\" y=\"219.066\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#38c8e8\" font-weight=\"bold\" >178<\/text><rect x=\"946.0\" y=\"233.5\" width=\"28.0\" height=\"106.5\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"960\" y=\"228.53\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#ffb454\" font-weight=\"bold\" >164<\/text><text x=\"945\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >3 l\u1edbp<\/text><rect x=\"1005.0\" y=\"240.6\" width=\"28.0\" height=\"99.4\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"1019\" y=\"235.628\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#38c8e8\" font-weight=\"bold\" >153<\/text><rect x=\"1036.0\" y=\"257.2\" width=\"28.0\" height=\"82.8\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"1050\" y=\"252.19\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#ffb454\" font-weight=\"bold\" >127<\/text><text x=\"1035\" y=\"360\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >4 l\u1edbp<\/text><rect x=\"60.0\" y=\"386.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#5b6b73\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"80\" y=\"398\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >I\u2080 tr\u00ean b\u1ec1 m\u1eb7t, 30 \u00b0C (datasheet)<\/text><rect x=\"330.0\" y=\"386.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"350\" y=\"398\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >h\u1ec7 s\u1ed1 VDE 0298-4: 0,80 \/ 0,61 \/ 0,49 \/ 0,42<\/text><rect x=\"650.0\" y=\"386.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"670\" y=\"398\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >h\u1ec7 s\u1ed1 ICEA: 0,85 \/ 0,65 \/ 0,45 \/ 0,35 (theo MSHA PIB P10-20)<\/text><text x=\"60\" y=\"432\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >Hai ti\u00eau chu\u1ea9n cho h\u1ec7 s\u1ed1 kh\u00e1c nhau \u1edf c\u1ea3 b\u1ed1n m\u1ee9c; MSHA kh\u00f4ng d\u00f9ng h\u1ec7 s\u1ed1 tang khi x\u00e9t ch\u1ea5p thu\u1eadn m\u00e0 t\u00ednh theo chu k\u1ef3 t\u1ea3i trung b\u00ecnh [5].<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 3. D\u00f2ng cho ph\u00e9p c\u1ee7a 3\u00d71\/0 AWG v\u00e0 3\u00d74\/0 AWG theo s\u1ed1 l\u1edbp c\u00e1p c\u00f2n tr\u00ean tang: hai b\u1ed9 h\u1ec7 s\u1ed1 cho k\u1ebft qu\u1ea3 ch\u00eanh nhau kho\u1ea3ng 17 \u2013 20 % \u1edf l\u1edbp th\u1ee9 t\u01b0 (v\u00ed d\u1ee5 4\/0 AWG: 153 A theo VDE, 127 A theo ICEA).<\/div><\/div><p><b>V\u00ed d\u1ee5 ch\u1ecdn c\u1ee1<\/b> (minh h\u1ecda c\u1ee7a t\u00e1c gi\u1ea3): m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u 3 MVA, l\u01b0\u1edbi 11 kV c\u00f3 d\u00f2ng I = 3 000 \/ (\u221a3 \u00b7 11) \u2248 157,5 A, v\u1eadn h\u00e0nh li\u00ean t\u1ee5c. B\u1ea3ng d\u01b0\u1edbi cho d\u00f2ng I<sub>0<\/sub> c\u1ea7n thi\u1ebft v\u00e0 c\u1ee1 nh\u1ecf nh\u1ea5t \u0111\u00e1p \u1ee9ng.<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:1200px\"><caption>C\u1ee1 c\u00e1p c\u1ea7n thi\u1ebft theo s\u1ed1 l\u1edbp c\u00f2n tr\u00ean tang (I = 157,5 A)<\/caption><thead><tr><th>S\u1ed1 l\u1edbp<\/th><th>H\u1ec7 s\u1ed1 VDE \/ ICEA<\/th><th>I<sub>0<\/sub> c\u1ea7n theo VDE \u1edf 30 \u00b0C, A<\/th><th>C\u1ee1 ch\u1ecdn (VDE, 30 \u00b0C)<\/th><th>I<sub>0<\/sub> c\u1ea7n theo VDE \u1edf 40 \u00b0C, A<\/th><th>C\u1ee1 ch\u1ecdn (VDE, 40 \u00b0C)<\/th><th>I<sub>0<\/sub> c\u1ea7n theo ICEA \u1edf 30 \u00b0C, A<\/th><th>C\u1ee1 ch\u1ecdn (ICEA, 30 \u00b0C)<\/th><\/tr><\/thead><tbody><tr><td>1 l\u1edbp<\/td><td>0,80 \/ 0,85<\/td><td>197<\/td><td>3\u00d71 AWG (204 A)<\/td><td>216<\/td><td>3\u00d71\/0 AWG (236 A)<\/td><td>185<\/td><td>3\u00d71 AWG (204 A)<\/td><\/tr><tr><td>2 l\u1edbp<\/td><td>0,61 \/ 0,65<\/td><td>258<\/td><td>3\u00d72\/0 AWG (273 A)<\/td><td>283<\/td><td>3\u00d73\/0 AWG (315 A)<\/td><td>242<\/td><td>3\u00d72\/0 AWG (273 A)<\/td><\/tr><tr><td>3 l\u1edbp<\/td><td>0,49 \/ 0,45<\/td><td>321<\/td><td>3\u00d74\/0 AWG (364 A)<\/td><td>352<\/td><td>3\u00d74\/0 AWG (364 A)<\/td><td>350<\/td><td>3\u00d74\/0 AWG (364 A)<\/td><\/tr><tr><td>4 l\u1edbp<\/td><td>0,42 \/ 0,35<\/td><td>375<\/td><td>v\u01b0\u1ee3t c\u1ee1 4\/0 AWG (364 A)<\/td><td>411<\/td><td>v\u01b0\u1ee3t c\u1ee1 4\/0 AWG (364 A)<\/td><td>450<\/td><td>v\u01b0\u1ee3t c\u1ee1 4\/0 AWG (364 A)<\/td><\/tr><\/tbody><\/table><\/div><p>M\u1ed9t l\u1edbp th\u00ec 3\u00d71 AWG (204 A) \u0111\u1ee7 \u1edf 30 \u00b0C nh\u01b0ng \u1edf 40 \u00b0C m\u00f4i tr\u01b0\u1eddng ph\u1ea3i l\u00ean 3\u00d71\/0 AWG theo VDE; hai l\u1edbp c\u1ea7n 2\/0 AWG \u1edf 30 \u00b0C v\u00e0 3\/0 AWG \u1edf 40 \u00b0C; ba l\u1edbp \u0111\u00e3 d\u00f9ng h\u1ebft c\u1ee1 4\/0 AWG, v\u00e0 t\u1eeb b\u1ed1n l\u1edbp tr\u1edf l\u00ean kh\u00f4ng c\u00f2n c\u1ee1 n\u00e0o trong b\u1ea3ng theo c\u1ea3 hai b\u1ed9 h\u1ec7 s\u1ed1. \u0110\u00e2y l\u00e0 l\u00fd do c\u1ea7n quy\u1ebft \u0111\u1ecbnh t\u1eeb giai \u0111o\u1ea1n thi\u1ebft k\u1ebf: s\u1ed1 l\u1edbp t\u1ed1i \u0111a c\u00f2n tr\u00ean tang, ki\u1ec3u tang (mono-spiral hay tang tr\u1ee5), ch\u1ebf \u0111\u1ed9 th\u00e1o c\u00e1p v\u00e0 h\u1ec7 s\u1ed1 t\u1ea3i. Tang mono-spiral x\u1ebfp c\u00e1p v\u00f2ng ch\u1ed3ng v\u00f2ng n\u00ean \u0111\u01b0\u1ee3c h\u00e3ng tang n\u00eau l\u00e0 l\u00e0m m\u00e1t t\u1ed1t h\u01a1n<sup class=\"ref-n\">[14]<\/sup>.<\/p><div class=\"note\"><b>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng khi chuy\u1ec3n \u0111\u1ed9ng t\u1ed1i \u0111a 60 \u00b0C.<\/b> V\u1edbi c\u1ea3ng nhi\u1ec7t \u0111\u1edbi, c\u00e1p \u0111en ph\u01a1i n\u1eafng tr\u00ean gi\u00e0n c\u1ea9u d\u1ec5 v\u01b0\u1ee3t 50 \u2013 60 \u00b0C tr\u00ean b\u1ec1 m\u1eb7t; \u1edf 60 \u00b0C m\u00f4i tr\u01b0\u1eddng h\u1ec7 s\u1ed1 nhi\u1ec7t ch\u1ec9 c\u00f2n 0,707 (t\u00e1c gi\u1ea3 t\u00ednh). H\u00e3y ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 th\u1ef1c c\u1ee7a tang v\u00e0 v\u1ecb tr\u00ed c\u00e1p, kh\u00f4ng ch\u1ec9 nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed, v\u00e0 xin nh\u00e0 s\u1ea3n xu\u1ea5t x\u00e1c nh\u1eadn b\u1eb1ng v\u0103n b\u1ea3n khi v\u01b0\u1ee3t 50 \u00b0C.<\/div><h3>5.4 S\u1ee5t \u00e1p<\/h3><div class=\"formula\"><b>R<sub>90 \u00b0C<\/sub> = R<sub>20 \u00b0C<\/sub> \u00b7 1,275; \u0394U = \u221a3 \u00b7 I \u00b7 l \u00b7 (R \u00b7 cos \u03c6 + X \u00b7 sin \u03c6); X = 0,10 \u03a9\/km (gi\u1ea3 \u0111\u1ecbnh c\u1ee7a t\u00e1c gi\u1ea3 cho c\u00e1p trung th\u1ebf tang cu\u1ed1n)<\/b><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:800px\"><caption>S\u1ee5t \u00e1p ba pha \u1edf 50 Hz (cos \u03c6 = 0,85; R \u1edf 90 \u00b0C; ph\u1ea7n tr\u0103m so v\u1edbi 11 kV; t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>T\u1ea3i<\/th><th>300 m<\/th><th>500 m<\/th><th>800 m<\/th><\/tr><\/thead><tbody><tr><td>3\u00d71\/0 AWG, 150 A<\/td><td>\u2248 31 V (0,28 %)<\/td><td>\u2248 52 V (0,47 %)<\/td><td>\u2248 84 V (0,76 %)<\/td><\/tr><tr><td>3\u00d72\/0 AWG, 200 A<\/td><td>\u2248 34 V (0,31 %)<\/td><td>\u2248 57 V (0,52 %)<\/td><td>\u2248 91 V (0,83 %)<\/td><\/tr><tr><td>3\u00d74\/0 AWG, 250 A<\/td><td>\u2248 29 V (0,27 %)<\/td><td>\u2248 49 V (0,45 %)<\/td><td>\u2248 79 V (0,71 %)<\/td><\/tr><\/tbody><\/table><\/div><p>\u1ede 11 kV, s\u1ee5t \u00e1p tr\u00ean v\u00e0i tr\u0103m m\u00e9t d\u01b0\u1edbi 1 %: gi\u1edbi h\u1ea1n c\u1ee7a c\u00e1p n\u00e0y n\u1eb1m \u1edf d\u00f2ng theo s\u1ed1 l\u1edbp tang v\u00e0 l\u1ef1c k\u00e9o, kh\u00f4ng ph\u1ea3i s\u1ee5t \u00e1p. \u0110i\u1ec7n kh\u00e1ng X = 0,10 \u03a9\/km l\u00e0 gi\u1ea3 \u0111\u1ecbnh (datasheet kh\u00f4ng c\u00f4ng b\u1ed1); c\u1ea7n y\u00eau c\u1ea7u \u0111i\u1ec7n kh\u00e1ng v\u00e0 \u0111i\u1ec7n dung \u0111o theo m\u00e3 khi t\u00ednh ch\u00ednh x\u00e1c.<\/p><h3>5.5 Ng\u1eafn m\u1ea1ch v\u00e0 ti\u1ebft di\u1ec7n d\u00e2y PE<\/h3><div class=\"formula\"><b>I<sub>ng\u1eafn m\u1ea1ch<\/sub> = k \u00b7 S \/ \u221at, k = 143 (\u0111\u1ed3ng, c\u00e1ch \u0111i\u1ec7n 90 \u2192 250 \u00b0C)<\/b><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:800px\"><caption>D\u00f2ng ng\u1eafn m\u1ea1ch ch\u1ecbu \u0111\u01b0\u1ee3c, k = 143 (t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>D\u00e2y d\u1eabn<\/th><th>0,5 s<\/th><th>1 s<\/th><th>3 s<\/th><\/tr><\/thead><tbody><tr><td>PE 8 AWG (8,37 mm\u00b2), ground check<\/td><td>1,69 kA<\/td><td>1,20 kA<\/td><td>0,69 kA<\/td><\/tr><tr><td>PE 6 AWG (13,3 mm\u00b2)<\/td><td>2,69 kA<\/td><td>1,90 kA<\/td><td>1,10 kA<\/td><\/tr><tr><td>PE 4 AWG (21,15 mm\u00b2)<\/td><td>4,28 kA<\/td><td>3,02 kA<\/td><td>1,75 kA<\/td><\/tr><tr><td>PE 1 AWG (42,41 mm\u00b2)<\/td><td>8,58 kA<\/td><td>6,06 kA<\/td><td>3,50 kA<\/td><\/tr><tr><td>Ru\u1ed9t 1\/0 AWG (53,49 mm\u00b2)<\/td><td>10,82 kA<\/td><td>7,65 kA<\/td><td>4,42 kA<\/td><\/tr><tr><td>Ru\u1ed9t 4\/0 AWG (107,2 mm\u00b2)<\/td><td>21,68 kA<\/td><td>15,33 kA<\/td><td>8,85 kA<\/td><\/tr><\/tbody><\/table><\/div><p>D\u00e2y PE 8 AWG ch\u1ec9 ch\u1ecbu 1,20 kA trong 1 s v\u00e0 0,69 kA trong 3 s, c\u00f2n ru\u1ed9t 4\/0 AWG ch\u1ecbu 15,33 kA. D\u00e2y PE ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ed1i chi\u1ebfu v\u1edbi d\u00f2ng ch\u1ea1m \u0111\u1ea5t v\u00e0 th\u1eddi gian c\u1eaft c\u1ee7a l\u01b0\u1edbi c\u1ee5 th\u1ec3: n\u1ebfu l\u01b0\u1edbi gi\u1edbi h\u1ea1n d\u00f2ng ch\u1ea1m \u0111\u1ea5t b\u1eb1ng \u0111i\u1ec7n tr\u1edf trung t\u00ednh th\u00ec PE th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i th\u00f4ng s\u1ed1 quy\u1ebft \u0111\u1ecbnh, nh\u01b0ng \u1edf l\u01b0\u1edbi n\u1ed1i \u0111\u1ea5t tr\u1ef1c ti\u1ebfp th\u00ec ng\u01b0\u1ee3c l\u1ea1i. H\u00e3y y\u00eau c\u1ea7u ti\u1ebft di\u1ec7n PE th\u1ef1c theo mm\u00b2 v\u00e0 s\u1ed1 d\u00e2y (1 ho\u1eb7c 2), kh\u00f4ng ch\u1ec9 ghi ch\u00fa theo AWG. C\u00e1c gi\u00e1 tr\u1ecb tr\u00ean gi\u1ea3 \u0111\u1ecbnh k c\u1ee7a \u0111\u1ed3ng; v\u1edbi ru\u1ed9t m\u1ea1 thi\u1ebfc \u1edf 250 \u00b0C (g\u1ea7n \u0111i\u1ec3m n\u00f3ng ch\u1ea3y c\u1ee7a thi\u1ebfc), h\u00e3y h\u1ecfi h\u00e3ng c\u00e1p v\u1ec1 h\u1ec7 s\u1ed1 k \u00e1p d\u1ee5ng.<\/p><h3>5.6 \u0110i\u1ec7n \u00e1p th\u1eed v\u00e0 \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh<\/h3><p>Datasheet ghi \u0111i\u1ec7n \u00e1p th\u1eed xoay chi\u1ec1u 29 kV cho ru\u1ed9t ch\u00ednh v\u00e0 2 kV cho l\u00f5i \u0111i\u1ec1u khi\u1ec3n<sup class=\"ref-n\">[1]<\/sup>. N\u1ebfu U<sub>0<\/sub> = 15\/\u221a3 \u2248 8,66 kV th\u00ec 29 kV b\u1eb1ng 3,35 \u00d7 U<sub>0<\/sub>; c\u00e1p (M) R LWL 6\/10 kV \u0111\u01b0\u1ee3c th\u1eed 17 kV, b\u1eb1ng 2,83 \u00d7 U<sub>0<\/sub> v\u1edbi U<sub>0<\/sub> = 6 kV<sup class=\"ref-n\">[14]<\/sup> (t\u00e1c gi\u1ea3 t\u00ednh). Ph\u00e9p th\u1eed k\u00e9o d\u00e0i v\u00e0i ph\u00fat \u1edf t\u1ea7n s\u1ed1 c\u00f4ng nghi\u1ec7p kh\u00f4ng thay cho th\u1eed ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 v\u00e0 th\u1eed xung; v\u1edbi tuy\u1ebfn trung th\u1ebf d\u00e0i c\u00f3 \u0111\u1ea7u c\u00e1p, h\u00e3y y\u00eau c\u1ea7u th\u00eam bi\u00ean b\u1ea3n \u0111o PD n\u1ebfu h\u1ee3p \u0111\u1ed3ng \u0111\u00f2i h\u1ecfi (m\u1ee5c 10). Datasheet kh\u00f4ng c\u00f4ng b\u1ed1 \u0111i\u1ec7n dung v\u00e0 d\u00f2ng n\u1ea1p, n\u00ean ch\u01b0a t\u00ednh \u0111\u01b0\u1ee3c c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng n\u1ea1p c\u1ee7a tuy\u1ebfn.<\/p><\/section>\n<section id=\"s6\"><h2>6. S\u1ee3i quang: lo\u1ea1i s\u1ee3i, suy hao, qu\u1ef9 \u0111\u01b0\u1eddng truy\u1ec1n v\u00e0 Ethernet<\/h2><p>Datasheet cho ph\u00e9p ba lo\u1ea1i s\u1ee3i trong ph\u1ea7n t\u1eed quang: G62,5\/125 \u00b5m v\u00e0 G50\/125 \u00b5m \u0111a mode, E9\/125 \u00b5m \u0111\u01a1n mode; c\u00e1c m\u00e3 trong b\u1ea3ng g\u1ed3m 6 s\u1ee3i G62,5, 12 s\u1ee3i G62,5, 12 s\u1ee3i E9 v\u00e0 18 s\u1ee3i E9<sup class=\"ref-n\">[1]<\/sup>. C\u1ea5u h\u00ecnh th\u1ef1c theo y\u00eau c\u1ea7u d\u1ef1 \u00e1n; Faber li\u1ec7t k\u00ea cho c\u00e1p (N)TSKCGEWOEU c\u00f9ng h\u1ecd c\u00e1c m\u00e3 t\u1edbi 24 s\u1ee3i E9 \u1edf c\u1ea5p 15 kV<sup class=\"ref-n\">[3]<\/sup>.<\/p><div class=\"svg\"><svg viewBox=\"0 0 1000 364\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Ph\u1ea7n t\u1eed quang v\u1edbi s\u00e1u \u1ed1ng \u0111\u1ec7m v\u00e0 6, 12 ho\u1eb7c 18 s\u1ee3i\"><defs>\n<pattern id=\"cuF\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tinF\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gyF\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"peF\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"arF\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbF\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"plF\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hatF\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"1000\" height=\"364\" fill=\"#0e1a1e\"><\/rect><text x=\"20\" y=\"30\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\" >Ph\u1ea7n t\u1eed quang: \u1ed1ng \u0111\u1ec7m quanh l\u00f5i \u0111\u1ee1 trung t\u00e2m (s\u01a1 \u0111\u1ed3 c\u1ea5u h\u00ecnh 6, 12 v\u00e0 18 s\u1ee3i)<\/text><circle cx=\"170.0\" cy=\"140.0\" r=\"82.0\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"2\" ><\/circle><circle cx=\"170.0\" cy=\"140.0\" r=\"16.0\" fill=\"url(#arF)\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"209.8\" cy=\"117.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"209.8\" cy=\"117.0\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"170.0\" cy=\"94.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"170.0\" cy=\"94.0\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"130.2\" cy=\"117.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"130.2\" cy=\"117.0\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"130.2\" cy=\"163.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"130.2\" cy=\"163.0\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"170.0\" cy=\"186.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"170.0\" cy=\"186.0\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"209.8\" cy=\"163.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"209.8\" cy=\"163.0\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><text x=\"170\" y=\"252\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15\" fill=\"#e8c37b\" font-weight=\"bold\" >6 s\u1ee3i<\/text><text x=\"170\" y=\"272\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#eef6f8\" font-weight=\"normal\" >6 \u1ed1ng \u00d7 1 s\u1ee3i<\/text><text x=\"170\" y=\"290\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >m\u00e3 6G62,5 LWL<\/text><circle cx=\"500.0\" cy=\"140.0\" r=\"82.0\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"2\" ><\/circle><circle cx=\"500.0\" cy=\"140.0\" r=\"16.0\" fill=\"url(#arF)\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"539.8\" cy=\"117.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"547.2\" cy=\"112.8\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"532.5\" cy=\"121.2\" r=\"4.2\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"500.0\" cy=\"94.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"500.0\" cy=\"85.5\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"500.0\" cy=\"102.5\" r=\"4.2\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"460.2\" cy=\"117.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"452.8\" cy=\"112.8\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"467.5\" cy=\"121.2\" r=\"4.2\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"460.2\" cy=\"163.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"452.8\" cy=\"167.2\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"467.5\" cy=\"158.8\" r=\"4.2\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"500.0\" cy=\"186.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"500.0\" cy=\"194.5\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"500.0\" cy=\"177.5\" r=\"4.2\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"539.8\" cy=\"163.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"547.2\" cy=\"167.3\" r=\"4.2\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"532.5\" cy=\"158.8\" r=\"4.2\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><text x=\"500\" y=\"252\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15\" fill=\"#e8c37b\" font-weight=\"bold\" >12 s\u1ee3i<\/text><text x=\"500\" y=\"272\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#eef6f8\" font-weight=\"normal\" >6 \u1ed1ng \u00d7 2 s\u1ee3i<\/text><text x=\"500\" y=\"290\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >m\u00e3 12E9, 12G62,5<\/text><circle cx=\"830.0\" cy=\"140.0\" r=\"82.0\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"2\" ><\/circle><circle cx=\"830.0\" cy=\"140.0\" r=\"16.0\" fill=\"url(#arF)\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"869.8\" cy=\"117.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"877.2\" cy=\"112.8\" r=\"3.8\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"862.5\" cy=\"112.8\" r=\"3.8\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"869.8\" cy=\"125.5\" r=\"3.8\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"830.0\" cy=\"94.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"830.0\" cy=\"85.5\" r=\"3.8\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"822.6\" cy=\"98.2\" r=\"3.8\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"837.4\" cy=\"98.2\" r=\"3.8\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"790.2\" cy=\"117.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"782.8\" cy=\"112.8\" r=\"3.8\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"790.2\" cy=\"125.5\" r=\"3.8\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"797.5\" cy=\"112.8\" r=\"3.8\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"790.2\" cy=\"163.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"782.8\" cy=\"167.2\" r=\"3.8\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"797.5\" cy=\"167.2\" r=\"3.8\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"790.2\" cy=\"154.5\" r=\"3.8\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"830.0\" cy=\"186.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"830.0\" cy=\"194.5\" r=\"3.8\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"837.4\" cy=\"181.8\" r=\"3.8\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"822.6\" cy=\"181.8\" r=\"3.8\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"869.8\" cy=\"163.0\" r=\"21.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"877.2\" cy=\"167.3\" r=\"3.8\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"869.8\" cy=\"154.5\" r=\"3.8\" fill=\"#ff777f\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><circle cx=\"862.5\" cy=\"167.3\" r=\"3.8\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"0.6\" ><\/circle><text x=\"830\" y=\"252\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15\" fill=\"#e8c37b\" font-weight=\"bold\" >18 s\u1ee3i<\/text><text x=\"830\" y=\"272\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#eef6f8\" font-weight=\"normal\" >6 \u1ed1ng \u00d7 3 s\u1ee3i<\/text><text x=\"830\" y=\"290\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >m\u00e3 18E9<\/text><text x=\"20\" y=\"330\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >Minh h\u1ecda theo c\u1ea5u h\u00ecnh s\u00e1u \u1ed1ng c\u1ee7a c\u00e1c c\u00e1p LWL c\u00f9ng h\u1ecd [14][15]; datasheet n\u00e0y kh\u00f4ng n\u00eau s\u1ed1 \u1ed1ng hay v\u1eadt li\u1ec7u \u1ed1ng [1]<\/text><text x=\"20\" y=\"348\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >\u1ed0ng ch\u1ee9a gel v\u00e0 m\u00e3 m\u00e0u s\u1ee3i theo b\u1ea3n v\u1ebd c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t; c\u00e1p quang tang cu\u1ed1n chuy\u00ean d\u1ee5ng d\u00f9ng \u1ed1ng ch\u1ee9a gel quanh l\u00f5i \u0111\u1ee1 [9][10]<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 4. Ph\u1ea7n t\u1eed quang v\u1edbi s\u00e1u \u1ed1ng \u0111\u1ec7m quanh l\u00f5i \u0111\u1ee1 trung t\u00e2m: 6, 12 v\u00e0 18 s\u1ee3i (minh h\u1ecda theo c\u1ea5u h\u00ecnh c\u1ee7a c\u00e1c c\u00e1p LWL c\u00f9ng h\u1ecd; datasheet n\u00e0y kh\u00f4ng n\u00eau s\u1ed1 \u1ed1ng).<\/div><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>Th\u00f4ng s\u1ed1 s\u1ee3i theo datasheet (c\u1ed9t g\u00e1n theo th\u1ee9 t\u1ef1 xu\u1ea5t hi\u1ec7n trong datasheet) [1]<\/caption><thead><tr><th>Th\u00f4ng s\u1ed1<\/th><th>G62,5\/125 (\u0111a mode)<\/th><th>G50\/125 (\u0111a mode)<\/th><th>E9\/125 (\u0111\u01a1n mode)<\/th><\/tr><\/thead><tbody><tr><td>Suy hao 850 nm<\/td><td>< 3,3 dB\/km<\/td><td>< 2,8 dB\/km<\/td><td>\u2014<\/td><\/tr><tr><td>Suy hao 1 310 nm<\/td><td>< 0,9 dB\/km<\/td><td>< 0,8 dB\/km<\/td><td>< 0,4 dB\/km<\/td><\/tr><tr><td>Suy hao 1 550 nm<\/td><td>\u2014<\/td><td>\u2014<\/td><td>< 0,3 dB\/km<\/td><\/tr><tr><td>B\u0103ng th\u00f4ng 850 nm<\/td><td>> 400 MHz<\/td><td>> 400 MHz<\/td><td>\u2014<\/td><\/tr><tr><td>B\u0103ng th\u00f4ng 1 310 nm<\/td><td>> 600 MHz<\/td><td>> 1 200 MHz<\/td><td>\u2014<\/td><\/tr><tr><td>Kh\u1ea9u \u0111\u1ed9 s\u1ed1<\/td><td>0,275 \u00b1 0,02<\/td><td>0,2 \u00b1 0,02<\/td><td>0,14 \u00b1 0,02<\/td><\/tr><tr><td>T\u00e1n s\u1eafc m\u00e0u 1 300 \/ 1 550 nm<\/td><td>\u2014<\/td><td>\u2014<\/td><td>< 3,5 \/ < 18 ps\/(nm\u00b7km)<\/td><\/tr><tr><td>\u0110\u01b0\u1eddng k\u00ednh v\u1ecf ph\u1ea3n x\u1ea1 \/ l\u1edbp ph\u1ee7<\/td><td>125 \u00b5m \/ 250 \u00b5m<\/td><td>125 \u00b5m \/ 250 \u00b5m<\/td><td>125 \u00b5m \/ 250 \u00b5m<\/td><\/tr><\/tbody><\/table><\/div><div class=\"warn\"><b>\u0110\u1ecdc \u0111\u00fang b\u1ea3ng quang.<\/b> (1) Datasheet ghi b\u0103ng th\u00f4ng b\u1eb1ng \u00abMHz\u00bb; \u0111\u01a1n v\u1ecb chu\u1ea9n c\u1ee7a s\u1ee3i \u0111a mode l\u00e0 MHz\u00b7km, c\u1ea7n x\u00e1c nh\u1eadn. (2) Hai gi\u00e1 tr\u1ecb \u1edf m\u1ed7i d\u00f2ng 850 nm, 1 310 nm \u0111a mode \u0111\u01b0\u1ee3c g\u00e1n theo th\u1ee9 t\u1ef1 c\u1ed9t (G62,5 tr\u01b0\u1edbc, G50 sau); \u0111\u1ed1i chi\u1ebfu v\u1edbi kh\u1ea9u \u0111\u1ed9 s\u1ed1 0,275 v\u00e0 0,2 cho th\u1ea5y c\u00e1ch g\u00e1n n\u00e0y h\u1ee3p l\u00fd, nh\u01b0ng v\u1eabn n\u00ean xin b\u1ea3ng s\u1ee3i theo m\u00e3. (3) Nh\u00e3n \u00abgraded index\u00bb cho s\u1ee3i E9 c\u00f3 th\u1ec3 l\u00e0 nh\u00e3n chung c\u1ee7a b\u1ea3ng: s\u1ee3i \u0111\u01a1n mode ITU-T G.652 th\u00f4ng th\u01b0\u1eddng l\u00e0 chi\u1ebft su\u1ea5t b\u1eadc. (4) T\u00e1n s\u1eafc m\u00e0u 3,5 v\u00e0 18 ps\/(nm\u00b7km) xu\u1ea5t hi\u1ec7n \u1edf d\u00f2ng 1 300 v\u00e0 1 550 nm; c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi s\u1ee3i \u0111\u01a1n mode, n\u00ean t\u00e1c gi\u1ea3 g\u00e1n cho E9.<\/div><div class=\"svg\"><svg viewBox=\"0 0 900 450\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Suy hao c\u1ee7a ri\u00eang s\u1ee3i trong c\u00e1p theo chi\u1ec1u d\u00e0i (dB; ch\u01b0a t\u00ednh \u0111\u1ea7u n\u1ed1i, m\u1ed1i h\u00e0n, b\u1ed9 n\u1ed1i quang xoay)\"><defs>\n<pattern id=\"cuD\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tinD\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gyD\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"peD\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"arD\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbD\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"plD\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hatD\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"900\" height=\"450\" fill=\"#0e1a1e\"><\/rect><text x=\"20\" y=\"30\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\" >Suy hao c\u1ee7a ri\u00eang s\u1ee3i trong c\u00e1p theo chi\u1ec1u d\u00e0i (dB; ch\u01b0a t\u00ednh \u0111\u1ea7u n\u1ed1i, m\u1ed1i h\u00e0n, b\u1ed9 n\u1ed1i quang xoay)<\/text><line x1=\"90.0\" y1=\"340.0\" x2=\"860.0\" y2=\"340.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"344\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >0<\/text><line x1=\"90.0\" y1=\"301.4\" x2=\"860.0\" y2=\"301.4\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"305.429\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >1<\/text><line x1=\"90.0\" y1=\"262.9\" x2=\"860.0\" y2=\"262.9\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"266.857\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >2<\/text><line x1=\"90.0\" y1=\"224.3\" x2=\"860.0\" y2=\"224.3\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"228.286\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >3<\/text><line x1=\"90.0\" y1=\"185.7\" x2=\"860.0\" y2=\"185.7\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"189.714\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >4<\/text><line x1=\"90.0\" y1=\"147.1\" x2=\"860.0\" y2=\"147.1\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"151.143\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >5<\/text><line x1=\"90.0\" y1=\"108.6\" x2=\"860.0\" y2=\"108.6\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"112.571\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >6<\/text><line x1=\"90.0\" y1=\"70.0\" x2=\"860.0\" y2=\"70.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"80\" y=\"74\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >7<\/text><text x=\"20\" y=\"56\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >dB<\/text><rect x=\"106.7\" y=\"301.8\" width=\"37.5\" height=\"38.2\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"125.444\" y=\"296.814\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#ffb454\" font-weight=\"bold\" >0,99<\/text><rect x=\"147.2\" y=\"307.6\" width=\"37.5\" height=\"32.4\" rx=\"2\" fill=\"#e8c37b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"165.981\" y=\"302.6\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#e8c37b\" font-weight=\"bold\" >0,84<\/text><rect x=\"187.8\" y=\"335.4\" width=\"37.5\" height=\"4.6\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"206.519\" y=\"330.371\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#38c8e8\" font-weight=\"bold\" >0,12<\/text><rect x=\"228.3\" y=\"336.5\" width=\"37.5\" height=\"3.5\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"247.056\" y=\"331.529\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#5fd88a\" font-weight=\"bold\" >0,09<\/text><text x=\"186.25\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >0,3 km<\/text><rect x=\"299.2\" y=\"276.4\" width=\"37.5\" height=\"63.6\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"317.944\" y=\"271.357\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#ffb454\" font-weight=\"bold\" >1,65<\/text><rect x=\"339.7\" y=\"286.0\" width=\"37.5\" height=\"54.0\" rx=\"2\" fill=\"#e8c37b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"358.481\" y=\"281\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#e8c37b\" font-weight=\"bold\" >1,40<\/text><rect x=\"380.2\" y=\"332.3\" width=\"37.5\" height=\"7.7\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"399.019\" y=\"327.286\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#38c8e8\" font-weight=\"bold\" >0,20<\/text><rect x=\"420.8\" y=\"334.2\" width=\"37.5\" height=\"5.8\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"439.556\" y=\"329.214\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#5fd88a\" font-weight=\"bold\" >0,15<\/text><text x=\"378.75\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >0,5 km<\/text><rect x=\"491.7\" y=\"212.7\" width=\"37.5\" height=\"127.3\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"510.444\" y=\"207.714\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#ffb454\" font-weight=\"bold\" >3,30<\/text><rect x=\"532.2\" y=\"232.0\" width=\"37.5\" height=\"108.0\" rx=\"2\" fill=\"#e8c37b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"550.981\" y=\"227\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#e8c37b\" font-weight=\"bold\" >2,80<\/text><rect x=\"572.8\" y=\"324.6\" width=\"37.5\" height=\"15.4\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"591.519\" y=\"319.571\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#38c8e8\" font-weight=\"bold\" >0,40<\/text><rect x=\"613.3\" y=\"328.4\" width=\"37.5\" height=\"11.6\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"632.056\" y=\"323.429\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#5fd88a\" font-weight=\"bold\" >0,30<\/text><text x=\"571.25\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >1,0 km<\/text><rect x=\"684.2\" y=\"85.4\" width=\"37.5\" height=\"254.6\" rx=\"2\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"702.944\" y=\"80.4286\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#ffb454\" font-weight=\"bold\" >6,60<\/text><rect x=\"724.7\" y=\"124.0\" width=\"37.5\" height=\"216.0\" rx=\"2\" fill=\"#e8c37b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"743.481\" y=\"119\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#e8c37b\" font-weight=\"bold\" >5,60<\/text><rect x=\"765.2\" y=\"309.1\" width=\"37.5\" height=\"30.9\" rx=\"2\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"784.019\" y=\"304.143\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#38c8e8\" font-weight=\"bold\" >0,80<\/text><rect x=\"805.8\" y=\"316.9\" width=\"37.5\" height=\"23.1\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"824.556\" y=\"311.857\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#5fd88a\" font-weight=\"bold\" >0,60<\/text><text x=\"763.75\" y=\"362\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >2,0 km<\/text><rect x=\"90.0\" y=\"388.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#ffb454\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"110\" y=\"400\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >G62,5 \u00b7 850 nm (3,3 dB\/km)<\/text><rect x=\"303.4\" y=\"388.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#e8c37b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"323.4\" y=\"400\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >G50 \u00b7 850 nm (2,8 dB\/km)<\/text><rect x=\"503.0\" y=\"388.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#38c8e8\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"523\" y=\"400\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >E9 \u00b7 1 310 nm (0,4 dB\/km)<\/text><rect x=\"709.5\" y=\"388.0\" width=\"14.0\" height=\"14.0\" rx=\"0\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"729.5\" y=\"400\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\" >E9 \u00b7 1 550 nm (0,3 dB\/km)<\/text><text x=\"90\" y=\"436\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >Gi\u1edbi h\u1ea1n l\u1edbn nh\u1ea5t theo datasheet [1]; gi\u00e1 tr\u1ecb th\u1ef1c c\u1ee7a l\u00f4 h\u00e0ng th\u01b0\u1eddng th\u1ea5p h\u01a1n; c\u1ea7n c\u1ed9ng suy hao \u0111\u1ea7u n\u1ed1i, m\u1ed1i h\u00e0n v\u00e0 b\u1ed9 n\u1ed1i quang xoay tr\u00ean tang<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 5. Suy hao c\u1ee7a ri\u00eang s\u1ee3i trong c\u00e1p theo chi\u1ec1u d\u00e0i: \u0111\u01a1n mode E9 \u1edf 1 310 nm ch\u1ec9 m\u1ea5t 0,4 dB\/km, c\u00f2n \u0111a mode \u1edf 850 nm m\u1ea5t 2,8 \u2013 3,3 dB\/km.<\/div><\/div><p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> \u1ede 850 nm, 1 km s\u1ee3i G50 \u0111\u00e3 m\u1ea5t 2,8 dB, c\u00f2n \u0111\u01a1n mode E9 \u1edf 1 310 nm ch\u1ec9 m\u1ea5t 0,4 dB. Tuy\u1ebfn quang t\u1eeb tang t\u1edbi ph\u00f2ng \u0111i\u1ec1u khi\u1ec3n \u1edf c\u1ea3ng v\u00e0 b\u00e3i h\u00e0ng r\u1eddi th\u01b0\u1eddng d\u00e0i h\u01a1n v\u00e0i tr\u0103m m\u00e9t, n\u00ean \u0111\u01a1n mode E9 l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n cho qu\u1ef9 \u0111\u01b0\u1eddng truy\u1ec1n; \u0111a mode ch\u1ec9 n\u00ean d\u00f9ng cho kho\u1ea3ng c\u00e1ch ng\u1eafn v\u00e0 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i \u0111\u00e3 ch\u1ecdn s\u1eb5n 850 nm.<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>T\u1ea7m v\u1edbi Ethernet theo lo\u1ea1i s\u1ee3i (theo FOA, Extreme Networks)<\/caption><thead><tr><th>Lo\u1ea1i s\u1ee3i<\/th><th>1000BASE-SX (850 nm)<\/th><th>10GBASE-SR (850 nm)<\/th><th>1000BASE-LX \/ 10GBASE-LR (1 310 nm)<\/th><\/tr><\/thead><tbody><tr><td>G62,5\/125 (OM1, 200 MHz\u00b7km)<\/td><td>275 m<\/td><td>33 m<\/td><td>1000BASE-LX: 550 m (500 MHz\u00b7km \u1edf 1 300 nm)<\/td><\/tr><tr><td>G50\/125, 400 MHz\u00b7km<\/td><td>500 m<\/td><td>\u2014<\/td><td>1000BASE-LX: 550 m<\/td><\/tr><tr><td>G50\/125 (OM2, 500 MHz\u00b7km)<\/td><td>550 m<\/td><td>82 m<\/td><td>1000BASE-LX: 550 m<\/td><\/tr><tr><td>G50\/125 (OM3, 2 000 MHz\u00b7km)<\/td><td>\u2014<\/td><td>300 m<\/td><td>\u2014<\/td><\/tr><tr><td>E9\/125 \u0111\u01a1n mode (OS1, G.652)<\/td><td>\u2014<\/td><td>\u2014<\/td><td>1000BASE-LX: 5 km (c\u00f3 b\u1ea3n 10 km); 10GBASE-LR: 10 km<\/td><\/tr><\/tbody><\/table><\/div><p>Theo b\u1ea3ng \u0111\u00f3, n\u1ebfu s\u1ee3i G50 c\u1ee7a datasheet \u0111\u00fang l\u00e0 400 MHz\u00b7km \u1edf 850 nm th\u00ec n\u00f3 thu\u1ed9c nh\u00f3m gi\u1eefa OM1 v\u00e0 OM2: 1000BASE-SX t\u1edbi 500 m<sup class=\"ref-n\">[8]<\/sup> nh\u01b0ng 10GBASE-SR ch\u1ec9 v\u00e0i ch\u1ee5c m\u00e9t, n\u00ean li\u00ean k\u1ebft 10 Gb\/s tr\u00ean c\u00e1p tang cu\u1ed1n \u0111a mode g\u1ea7n nh\u01b0 ph\u1ea3i chuy\u1ec3n sang \u0111\u01a1n mode E9<sup class=\"ref-n\">[7]<\/sup><sup class=\"ref-n\">[8]<\/sup>. V\u1edbi \u0111\u01a1n mode, \u0111\u1ed9 tr\u1ec5 t\u00e1n s\u1eafc l\u00e0 \u0394t = D \u00b7 L \u00b7 \u0394\u03bb. \u1ede 1 550 nm, 5 km c\u00e1p v\u1edbi ngu\u1ed3n r\u1ed9ng 1 nm cho kho\u1ea3ng 90 ps (D = 18 ps\/(nm\u00b7km)), t\u01b0\u01a1ng \u0111\u01b0\u01a1ng g\u1ea7n m\u1ed9t chu k\u1ef3 bit \u1edf 10 Gb\/s; \u1edf 1 310 nm c\u00f9ng \u0111i\u1ec1u ki\u1ec7n ch\u1ec9 kho\u1ea3ng 17,5 ps (D = 3,5). \u0110\u00f3 l\u00e0 l\u00fd do 1 310 nm l\u00e0 c\u1eeda s\u1ed5 ph\u1ed5 bi\u1ebfn cho li\u00ean k\u1ebft \u0111\u01a1n mode c\u00f4ng nghi\u1ec7p, c\u00f2n 1 550 nm \u0111i c\u00f9ng laser ph\u1ed5 h\u1eb9p (t\u00e1c gi\u1ea3 t\u00ednh theo c\u00e1c gi\u00e1 tr\u1ecb tr\u1ea7n c\u1ee7a datasheet).<\/p><p><b>C\u00e1p quang t\u00edch h\u1ee3p so v\u1edbi c\u00e1p quang ri\u00eang.<\/b> C\u00e1p quang tang cu\u1ed1n chuy\u00ean d\u1ee5ng c\u1ee7a Nexans (Rheycord-OFE SR) d\u00f9ng \u1ed1ng ch\u1ee9a gel, l\u00f5i \u0111\u1ee1 b\u1eb1ng d\u00e2y th\u00e9p trung t\u00e2m, b\u1ec7n ch\u1ed1ng xo\u1eafn, xo\u1eafn cho ph\u00e9p \u00b1120 \u00b0\/m, b\u00e1n k\u00ednh 10\u00d7\u00d8, t\u1ed1c \u0111\u1ed9 t\u1edbi 240 m\/ph\u00fat, l\u1ef1c k\u00e9o th\u01b0\u1eddng xuy\u00ean 4 000 N cho c\u1ee1 24 s\u1ee3i 19 mm<sup class=\"ref-n\">[9]<\/sup>; c\u00e1p quang festoon c\u1ee7a Prysmian d\u00f9ng \u1ed1ng \u0111\u1ec7m ch\u1ee9a gel, m\u1ed7i \u1ed1ng m\u1ed9t s\u1ee3i, b\u1ec7n b\u01b0\u1edbc ng\u1eafn quanh l\u00f5i th\u1ee7y tinh epoxy<sup class=\"ref-n\">[10]<\/sup>. T\u00edch h\u1ee3p s\u1ee3i v\u00e0o c\u00e1p l\u1ef1c gi\u00fap b\u1ecf m\u1ed9t c\u00e1p tr\u00ean tang, nh\u01b0ng v\u1eadn m\u1ec7nh s\u1ee3i g\u1eafn v\u1edbi c\u00e1p l\u1ef1c: l\u1ef1c k\u00e9o cho ph\u00e9p c\u1ee7a c\u00e1p 15 kV (1 270 \u2013 6 430 N) c\u0169ng l\u00e0 gi\u1edbi h\u1ea1n c\u1ee7a s\u1ee3i, v\u00e0 h\u1ecfng c\u00e1p l\u1ef1c l\u00e0 m\u1ea5t c\u1ea3 \u0111\u01b0\u1eddng d\u1eef li\u1ec7u. V\u1edbi tuy\u1ebfn d\u1eef li\u1ec7u quan tr\u1ecdng, h\u00e3y c\u00e2n nh\u1eafc d\u1ef1 ph\u00f2ng s\u1ee3i.<\/p><p><b>L\u01b0u \u00fd thi\u1ebft k\u1ebf.<\/b> Gi\u1eef R \u2265 10\u00d7D, kh\u00f4ng v\u01b0\u1ee3t l\u1ef1c k\u00e9o 20\/30 N\/mm\u00b2, kh\u00f4ng k\u1eb9p c\u00e1p b\u1eb1ng \u0111\u1ea7u k\u1eb9p c\u1ee9ng \u1edf \u0111i\u1ec3m c\u1ea5p, v\u00e0 c\u1ed9ng suy hao c\u1ee7a b\u1ed9 n\u1ed1i quang xoay ho\u1eb7c b\u1ed9 chuy\u1ec3n quang tr\u00ean tang v\u00e0o qu\u1ef9 \u0111\u01b0\u1eddng truy\u1ec1n (nh\u00e0 s\u1ea3n xu\u1ea5t tang cung c\u1ea5p c\u1ea3 hai gi\u1ea3i ph\u00e1p<sup class=\"ref-n\">[14]<\/sup>). H\u00e3y y\u00eau c\u1ea7u bi\u00ean b\u1ea3n \u0111o suy hao sau s\u1ea3n xu\u1ea5t cho t\u1eebng s\u1ee3i theo \u0111\u00fang lo\u1ea1i s\u1ee3i, v\u00e0 \u0111\u1ea7u quang g\u1eafn s\u1eb5n t\u1ea1i nh\u00e0 m\u00e1y.<\/p><\/section>\n<section id=\"s7\"><h2>7. So s\u00e1nh v\u1edbi c\u00e1c h\u1ecd c\u00e1p tang cu\u1ed1n kh\u00e1c: SMK, (M) R LWL, FL, TRATOSFLEX, Rheyfirm v\u00e0 v\u1eadt li\u1ec7u v\u1ecf<\/h2><p>C\u00f9ng k\u00fd hi\u1ec7u (N)TSCGEW\u00d6U hay (N)TSKCGEW\u00d6U nh\u01b0ng m\u1ed7i h\u1ecd c\u00e1p \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u cho m\u1ed9t ki\u1ec3u t\u1ea3i c\u01a1 h\u1ecdc kh\u00e1c nhau. B\u1ea3ng d\u01b0\u1edbi gom s\u1ed1 li\u1ec7u c\u00f4ng b\u1ed1 \u0111\u1ec3 so s\u00e1nh tr\u1ef1c ti\u1ebfp; kh\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 d\u00f9ng c\u00e1ch x\u00e1c \u0111\u1ecbnh l\u1ef1c k\u00e9o v\u00e0 b\u00e1n k\u00ednh kh\u00e1c nhau.<\/p><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1450px\"><caption>C\u00e1p tang cu\u1ed1n trung th\u1ebf: t\u1ea3i c\u01a1 h\u1ecdc, t\u1ed1c \u0111\u1ed9 v\u00e0 b\u00e1n k\u00ednh<\/caption><thead><tr><th>C\u00e1p<\/th><th>\u0110i\u1ec7n \u00e1p \/ c\u1ee1 ru\u1ed9t<\/th><th>L\u1ef1c k\u00e9o (quy t\u1eafc)<\/th><th>Xo\u1eafn<\/th><th>T\u1ed1c \u0111\u1ed9<\/th><th>R chuy\u1ec3n \u0111\u1ed9ng<\/th><th>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng khi chuy\u1ec3n \u0111\u1ed9ng<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody><tr><td>PROTOLON (SM-R)-LWL AWG (b\u00e0i n\u00e0y)<\/td><td>15 kV; 3 ru\u1ed9t 4 \u2013 4\/0 AWG<\/td><td>20 t\u0129nh \/ 30 \u0111\u1ed9ng N\/mm\u00b2<\/td><td>\u00b125 \u00b0\/m<\/td><td>tang: kh\u00f4ng h\u1ea1n ch\u1ebf; tr\u00ean 240 m\/ph\u00fat h\u1ecfi h\u00e3ng<\/td><td>10\u00d7D<\/td><td>\u221235 \u2026 +60 \u00b0C<\/td><td>PCP 5GM5; b\u1ec7n polyester<sup class=\"ref-n\">[1]<\/sup><\/td><\/tr><tr><td>PROTOLON (M) R-(N)TSCGEW\u00d6U LWL<\/td><td>6\/10 kV; 3\u00d725 \u2013 3\u00d7300 mm\u00b2<\/td><td>20 t\u0129nh \/ 25 \u0111\u1ed9ng N\/mm\u00b2<\/td><td>\u00b1100 \u00b0\/m<\/td><td>cu\u1ed9n l\u1ea1i 100; cu\u1ed1n 120 m\/ph\u00fat<\/td><td>10\u00d7D<\/td><td>\u221235 \u2026 +80 \u00b0C (catalogue ghi \u221230)<\/td><td>PCP 5GM5; tang mono-spiral v\u00e0 tang tr\u1ee5<sup class=\"ref-n\">[14]<\/sup><\/td><\/tr><tr><td>PROTOLON (SMK) (N)TSCGEW\u00d6U<\/td><td>6\/10 kV; v\u00ed d\u1ee5 3\u00d735+3\u00d725\/3<\/td><td>20 N\/mm\u00b2 (3\u00d735: 2 100 N); FeiChun n\u00eau b\u1ea3n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 20 t\u0129nh \/ 30 \u0111\u1ed9ng<\/td><td>\u00b125 \u00b0\/m<\/td><td>tang: kh\u00f4ng h\u1ea1n ch\u1ebf; tr\u00ean 240 m\/ph\u00fat h\u1ecfi h\u00e3ng<\/td><td>\u2014<\/td><td>\u2014<\/td><td>2 100 N = 20 \u00d7 105 mm\u00b2 (t\u00e1c gi\u1ea3 t\u00ednh)<sup class=\"ref-n\">[15]<\/sup><sup class=\"ref-n\">[16]<\/sup><\/td><\/tr><tr><td>PROTOLON (FL)-LWL (d\u1eb9t)<\/td><td>3,6\/6 \u2013 6\/10 kV; 3\u00d735 + 4\u00d725\/4E<\/td><td>15 N\/mm\u00b2 (1 575 N)<\/td><td>kh\u00f4ng cho ph\u00e9p<\/td><td>t\u1edbi 120 m\/ph\u00fat<\/td><td>10\u00d7D (D = 1,5 \u00d7 chi\u1ec1u cao): 413 \u2013 425 mm<\/td><td>\u221235 \u2026 +80 \u00b0C<\/td><td>ch\u1ec9 u\u1ed1n m\u1ed9t m\u1eb7t ph\u1eb3ng<sup class=\"ref-n\">[15]<\/sup><\/td><\/tr><tr><td>TRATOSFLEX-ESDB 3\u00d725 8,7\/15 kV<\/td><td>8,7\/15 kV; 3\u00d725<\/td><td>3 000 N t\u0129nh (40 N\/mm\u00b2); 4 125 N \u0111\u1ed9ng (55 N\/mm\u00b2)<\/td><td>\u2014<\/td><td>mono-spiral 200 (hai chi\u1ec1u) \/ 300 (m\u1ed9t chi\u1ec1u) m\/ph\u00fat; tang ng\u1eabu nhi\u00ean 60<\/td><td>12\u00d7\u00d8<\/td><td>\u2014<\/td><td>tr\u00edch Faber, qua b\u00e0i FeiChun<sup class=\"ref-n\">[14]<\/sup><\/td><\/tr><tr><td>Rheyfirm (RTS) R-(N)TSCGEWOEUS<\/td><td>trung th\u1ebf<\/td><td>30 N\/mm\u00b2<\/td><td>\u00b125 \u00b0\/m<\/td><td>\u2014<\/td><td>12\u00d7\u00d8<\/td><td>\u2014<\/td><td>\u0111\u1ed3ng m\u1ea1 thi\u1ebfc; b\u1ec7n polyester; CR 5GM5<sup class=\"ref-n\">[14]<\/sup><\/td><\/tr><\/tbody><\/table><\/div><p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> C\u00e1p (SM-R)-LWL AWG n\u00e0y c\u00f9ng c\u1ea5p l\u1ef1c k\u00e9o v\u00e0 xo\u1eafn v\u1edbi h\u1ecd SMK (20\/30 N\/mm\u00b2, \u00b125 \u00b0\/m)<sup class=\"ref-n\">[15]<\/sup><sup class=\"ref-n\">[16]<\/sup>, t\u1ee9c thu\u1ed9c nh\u00f3m c\u00e1p tang cu\u1ed1n t\u1ed1c \u0111\u1ed9 cao v\u00e0 ch\u1ecbu xo\u1eafn, kh\u00e1c v\u1edbi (M) R LWL 6\/10 kV \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u cho m\u00e1y l\u1ed9 thi\u00ean t\u1ed1c \u0111\u1ed9 v\u1eeba (xo\u1eafn \u00b1100 \u00b0\/m, 120 m\/ph\u00fat)<sup class=\"ref-n\">[14]<\/sup>. So v\u1edbi c\u00e1c c\u00e1p c\u1ea9u h\u1ea1ng n\u1eb7ng (30 \u2013 55 N\/mm\u00b2, b\u00e1n k\u00ednh 12\u00d7\u00d8)<sup class=\"ref-n\">[14]<\/sup>, l\u1ef1c k\u00e9o 20\/30 N\/mm\u00b2 th\u1ea5p h\u01a1n nh\u01b0ng b\u00e1n k\u00ednh cho ph\u00e9p 10\u00d7D nh\u1ecf h\u01a1n, cho ph\u00e9p tang g\u1ecdn h\u01a1n. C\u1ea7n l\u01b0u \u00fd ba \u0111i\u1ec1u: s\u1ed1 N\/mm\u00b2 kh\u00f4ng so \u0111\u01b0\u1ee3c tr\u1ef1c ti\u1ebfp gi\u1eefa c\u00e1c h\u00e3ng n\u1ebfu c\u00e1ch t\u00ednh ti\u1ebft di\u1ec7n kh\u00e1c; c\u00f9ng l\u1ef1c k\u00e9o tuy\u1ec7t \u0111\u1ed1i, c\u1ee1 AWG l\u1edbn h\u01a1n ho\u1eb7c nh\u1ecf h\u01a1n c\u1ee1 m\u00e9t g\u1ea7n nh\u1ea5t 4 \u2013 15 % (m\u1ee5c 4); v\u00e0 datasheet n\u00e0y li\u1ec7t k\u00ea tang m\u00e0 kh\u00f4ng n\u00eau x\u00edch d\u1eabn c\u00e1p hay k\u00e9o l\u00ea.<\/p><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1100px\"><caption>V\u1eadt li\u1ec7u v\u1ecf ngo\u00e0i: ch\u1ecdn theo m\u00f4i tr\u01b0\u1eddng<\/caption><thead><tr><th>V\u1eadt li\u1ec7u<\/th><th>\u0110i\u1ec3m m\u1ea1nh<\/th><th>Gi\u1edbi h\u1ea1n<\/th><th>Ngu\u1ed3n<\/th><\/tr><\/thead><tbody><tr><td>Polychloroprene (PCP\/CR) 5GM5<\/td><td>b\u1ec1n c\u01a1 h\u1ecdc, ch\u1ecbu d\u1ea7u, ozone, UV, n\u01b0\u1edbc bi\u1ec3n; ch\u1eadm ch\u00e1y IEC 60332-1-2; ti\u00eau chu\u1ea9n VDE 5GM5: k\u00e9o \u2265 15 N\/mm\u00b2, gi\u00e3n d\u00e0i \u2265 300 %<\/td><td>ch\u1ee9a clo (kh\u00f4ng ph\u1ea3i LSZH); h\u00fat \u1ea9m 1,5 \u2013 3 % (5GM3) theo FeiChun; m\u1ec1m l\u1ea1nh t\u1edbi \u221235 \u00b0C theo datasheet<\/td><td><sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[12]<\/sup><sup class=\"ref-n\">[13]<\/sup><\/td><\/tr><tr><td>CPE nhi\u1ec7t \u0111\u1edbi h\u00f3a<\/td><td>FeiChun n\u00eau h\u00fat n\u01b0\u1edbc d\u01b0\u1edbi 0,5 % (28 ng\u00e0y, 70 \u00b0C), ch\u1ecbu axit t\u1edbi pH 2,5, c\u00f3 ch\u1ea5t ch\u1ed1ng n\u1ea5m<\/td><td>s\u1ed1 li\u1ec7u c\u1ee7a h\u00e3ng cho c\u00e1p m\u1ecf Type 275; c\u1ea7n s\u1ed1 th\u1eed cho m\u00e3 c\u1ee5 th\u1ec3; ch\u1ee9a clo<\/td><td><sup class=\"ref-n\">[12]<\/sup><\/td><\/tr><tr><td>PUR g\u1ed1c polyether<\/td><td>m\u00e0i m\u00f2n v\u00e0 x\u00e9 t\u1ed1t; d\u1ebbo t\u1edbi \u221250 \u00b0C (TENAX-PUR); polyether ch\u1ed1ng th\u1ee7y ph\u00e2n t\u1ed1t h\u01a1n polyester; FeiChun n\u00eau h\u00fat \u1ea9m d\u01b0\u1edbi 0,8 %<\/td><td>gi\u00e1 cao h\u01a1n; polyester PU c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o, x\u00e9 v\u00e0 c\u1eaft cao h\u01a1n polyether n\u00ean ph\u1ea3i x\u00e1c nh\u1eadn g\u1ed1c polyol v\u00e0 s\u1ed1 \u0111o th\u1ef1c<\/td><td><sup class=\"ref-n\">[11]<\/sup><sup class=\"ref-n\">[13]<\/sup><\/td><\/tr><\/tbody><\/table><\/div><p><b>Quy t\u1eafc ch\u1ecdn h\u1ecd c\u00e1p (t\u00e1c gi\u1ea3).<\/b> Tang t\u1ed1c \u0111\u1ed9 cao, xo\u1eafn \u00b125 \u00b0\/m, 8,7\/15 kV \u2192 h\u1ecd SM-R \/ SMK; n\u1ebfu c\u1ea7n l\u1ef1c k\u00e9o cao h\u01a1n th\u00ec x\u00e9t c\u00e1c c\u00e1p 30 \u2013 55 N\/mm\u00b2. M\u00e1y l\u1ed9 thi\u00ean tang t\u1ed1c \u0111\u1ed9 v\u1eeba, c\u00f3 \u0111\u01b0\u1eddng quang \u2192 (M) R LWL. Tang m\u1ed9t l\u1edbp, u\u1ed1n m\u1ed9t m\u1eb7t ph\u1eb3ng \u2192 h\u1ecd FL d\u1eb9t. K\u00e9o l\u00ea d\u00e0i tr\u00ean n\u1ec1n ho\u1eb7c \u0111\u00e1 \u2192 c\u00e1p k\u00e9o l\u00ea v\u1ecf d\u00e0y (Type 240 \/ 275, TENAX-PUR c\u1ee7a FeiChun), kh\u00f4ng d\u00f9ng c\u00e1p tang cu\u1ed1n. H\u1ea7m k\u00edn c\u1ea7n kh\u00f4ng halogen \u2192 y\u00eau c\u1ea7u ph\u01b0\u01a1ng \u00e1n v\u1ecf kh\u00f4ng halogen v\u00e0 h\u1ed3 s\u01a1 IEC 60754, IEC 61034.<\/p><\/section>\n<section id=\"s8\"><h2>8. \u1ee8ng d\u1ee5ng: tang, m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u, x\u00edch d\u1eabn c\u00e1p, k\u00e9o l\u00ea<\/h2><p>Datasheet li\u1ec7t k\u00ea n\u0103m lo\u1ea1i tang: m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, c\u1ea9u x\u1eed l\u00fd g\u1ed7, m\u00e1y d\u1ee1 t\u00e0u v\u00e0 m\u00e1y x\u1ebfp t\u00e0u<sup class=\"ref-n\">[1]<\/sup>. C\u00e1c h\u00ecnh d\u01b0\u1edbi \u0111\u1eb7t t\u1eebng \u1ee9ng d\u1ee5ng c\u1ea1nh c\u00e1c r\u00e0ng bu\u1ed9c t\u00ednh \u1edf m\u1ee5c 5; d\u1ea5u t\u00edch xanh l\u00e0 \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c datasheet n\u00eau, d\u1ea5u ch\u00e9o \u0111\u1ecf l\u00e0 t\u1ea3i ngo\u00e0i ph\u1ea1m vi datasheet.<\/p><div class=\"imgcap\"><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"C\u00e1p qu\u1ea5n tr\u00ean tang mono-spiral: v\u00f2ng c\u00e1p ch\u1ed3ng l\u00ean v\u00f2ng, l\u00f5i tang t\u1ed1i thi\u1ec3u 20 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh c\u00e1p\"><defs>\n<pattern id=\"cus1\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tins1\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gys1\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"pes1\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"ars1\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbs1\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"pls1\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hats1\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"400\" height=\"250\" fill=\"#0e1a1e\"><\/rect><rect x=\"0.0\" y=\"0.0\" width=\"400.0\" height=\"250.0\" rx=\"0\" fill=\"#101a1e\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\" >Tang cu\u1ed1n (mono-spiral)<\/text><circle cx=\"130.0\" cy=\"122.0\" r=\"78.0\" fill=\"#16262c\" stroke=\"#2a4650\" stroke-width=\"2\" ><\/circle><path d=\"M148.0 122.0 L148.0 124.9 L147.6 127.7 L146.7 130.5 L145.3 133.1 L143.5 135.5 L141.4 137.7 L138.9 139.5 L136.1 140.9 L133.1 141.8 L130.0 142.3 L126.8 142.3 L123.6 141.8 L120.5 140.7 L117.5 139.2 L114.8 137.2 L112.5 134.8 L110.5 132.0 L108.9 128.8 L107.9 125.5 L107.4 122.0 L107.4 118.4 L108.1 114.9 L109.2 111.4 L111.0 108.2 L113.2 105.2 L115.9 102.6 L119.0 100.4 L122.4 98.7 L126.1 97.6 L130.0 97.1 L133.9 97.2 L137.8 97.9 L141.6 99.2 L145.2 101.1 L148.4 103.6 L151.3 106.5 L153.6 110.0 L155.5 113.7 L156.7 117.8 L157.2 122.0 L157.1 126.3 L156.3 130.6 L154.9 134.7 L152.8 138.5 L150.1 142.1 L146.8 145.2 L143.1 147.7 L139.0 149.7 L134.6 150.9 L130.0 151.5 L125.3 151.4 L120.7 150.5 L116.3 148.9 L112.1 146.6 L108.3 143.7 L105.0 140.2 L102.2 136.1 L100.2 131.7 L98.8 126.9 L98.2 122.0 L98.3 117.0 L99.3 112.0 L101.0 107.2 L103.5 102.7 L106.7 98.7 L110.5 95.1 L114.8 92.2 L119.6 90.0 L124.7 88.5 L130.0 87.8 L135.4 88.0 L140.7 89.1 L145.8 91.0 L150.6 93.6 L155.0 97.0 L158.8 101.1 L161.9 105.8 L164.2 110.9 L165.8 116.3 L166.5 122.0 L166.2 127.7 L165.1 133.4 L163.1 138.9 L160.2 144.0 L156.6 148.6 L152.2 152.6 L147.3 155.9 L141.8 158.4 L136.0 160.1 L130.0 160.8 L123.9 160.5 L117.9 159.3 L112.1 157.2 L106.7 154.1 L101.8 150.2 L97.5 145.6 L94.0 140.3 L91.4 134.6 L89.7 128.4 L88.9 122.0 L89.2 115.5 L90.5 109.2 L92.8 103.0 L96.0 97.3 L100.1 92.1 L105.0 87.6 L110.6 84.0 L116.7 81.2 L123.2 79.4 L130.0 78.6 L136.8 78.9 L143.5 80.3 L150.0 82.7 L156.0 86.2 L161.5 90.5 L166.2 95.7 L170.1 101.6 L173.0 108.0 L174.9 114.9 L175.7 122.0 L175.4 129.2 L173.9 136.3 L171.3 143.1 L167.7 149.4 L163.1 155.1 L157.7 160.1 L151.5 164.2 L144.7 167.2 L137.5 169.2 L130.0 170.0 L122.5 169.6 L115.0 168.1 L107.9 165.4 L101.2 161.6 L95.2 156.8 L90.0 151.0 L85.8 144.5 L82.6 137.4 L80.5 129.8 L79.7 122.0 L80.1 114.1 L81.7 106.3 L84.6 98.8 L88.6 91.9 L93.6 85.6 L99.6 80.2 L106.4 75.7 L113.9 72.4 L121.8 70.3 L130.0 69.4 L138.3 69.8 L146.4 71.5 L154.2 74.5 L161.5 78.7 L168.0 84.0 L173.7 90.3 L178.3 97.4 L181.8 105.2 L184.0 113.4 L184.9 122.0 L184.5 130.6 L182.7 139.1 L179.6 147.2 L175.2 154.8 L169.7 161.7 L163.1 167.6 L155.7 172.4 L147.5 176.0 L138.9 178.3 L130.0 179.2 L121.0 178.8 L112.2 176.9 L103.7 173.6 L95.8 169.0 L88.7 163.3 L82.6 156.5 L77.6 148.7 L73.8 140.3 L71.4 131.3 L70.5 122.0 L71.0 112.7 L72.9 103.5 L76.3 94.7 L81.1 86.5 L87.1 79.1 L94.2 72.7 L102.2 67.5 L111.0 63.6 L120.4 61.1 L130.0 60.2 L139.7 60.7 L149.3 62.7 L158.4 66.3 L166.9 71.2 L174.5 77.5 L181.2 84.8 L186.5 93.2 L190.6 102.3 L193.1 112.0 L194.2 122.0 L193.6 132.1 L191.5 142.0 L187.8 151.4 L182.6 160.3 L176.2 168.2 L168.5 175.0 L159.9 180.6 L150.4 184.8\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9.5\" stroke-linecap=\"round\"><\/path><path d=\"M148.0 122.0 L148.0 124.9 L147.6 127.7 L146.7 130.5 L145.3 133.1 L143.5 135.5 L141.4 137.7 L138.9 139.5 L136.1 140.9 L133.1 141.8 L130.0 142.3 L126.8 142.3 L123.6 141.8 L120.5 140.7 L117.5 139.2 L114.8 137.2 L112.5 134.8 L110.5 132.0 L108.9 128.8 L107.9 125.5 L107.4 122.0 L107.4 118.4 L108.1 114.9 L109.2 111.4 L111.0 108.2 L113.2 105.2 L115.9 102.6 L119.0 100.4 L122.4 98.7 L126.1 97.6 L130.0 97.1 L133.9 97.2 L137.8 97.9 L141.6 99.2 L145.2 101.1 L148.4 103.6 L151.3 106.5 L153.6 110.0 L155.5 113.7 L156.7 117.8 L157.2 122.0 L157.1 126.3 L156.3 130.6 L154.9 134.7 L152.8 138.5 L150.1 142.1 L146.8 145.2 L143.1 147.7 L139.0 149.7 L134.6 150.9 L130.0 151.5 L125.3 151.4 L120.7 150.5 L116.3 148.9 L112.1 146.6 L108.3 143.7 L105.0 140.2 L102.2 136.1 L100.2 131.7 L98.8 126.9 L98.2 122.0 L98.3 117.0 L99.3 112.0 L101.0 107.2 L103.5 102.7 L106.7 98.7 L110.5 95.1 L114.8 92.2 L119.6 90.0 L124.7 88.5 L130.0 87.8 L135.4 88.0 L140.7 89.1 L145.8 91.0 L150.6 93.6 L155.0 97.0 L158.8 101.1 L161.9 105.8 L164.2 110.9 L165.8 116.3 L166.5 122.0 L166.2 127.7 L165.1 133.4 L163.1 138.9 L160.2 144.0 L156.6 148.6 L152.2 152.6 L147.3 155.9 L141.8 158.4 L136.0 160.1 L130.0 160.8 L123.9 160.5 L117.9 159.3 L112.1 157.2 L106.7 154.1 L101.8 150.2 L97.5 145.6 L94.0 140.3 L91.4 134.6 L89.7 128.4 L88.9 122.0 L89.2 115.5 L90.5 109.2 L92.8 103.0 L96.0 97.3 L100.1 92.1 L105.0 87.6 L110.6 84.0 L116.7 81.2 L123.2 79.4 L130.0 78.6 L136.8 78.9 L143.5 80.3 L150.0 82.7 L156.0 86.2 L161.5 90.5 L166.2 95.7 L170.1 101.6 L173.0 108.0 L174.9 114.9 L175.7 122.0 L175.4 129.2 L173.9 136.3 L171.3 143.1 L167.7 149.4 L163.1 155.1 L157.7 160.1 L151.5 164.2 L144.7 167.2 L137.5 169.2 L130.0 170.0 L122.5 169.6 L115.0 168.1 L107.9 165.4 L101.2 161.6 L95.2 156.8 L90.0 151.0 L85.8 144.5 L82.6 137.4 L80.5 129.8 L79.7 122.0 L80.1 114.1 L81.7 106.3 L84.6 98.8 L88.6 91.9 L93.6 85.6 L99.6 80.2 L106.4 75.7 L113.9 72.4 L121.8 70.3 L130.0 69.4 L138.3 69.8 L146.4 71.5 L154.2 74.5 L161.5 78.7 L168.0 84.0 L173.7 90.3 L178.3 97.4 L181.8 105.2 L184.0 113.4 L184.9 122.0 L184.5 130.6 L182.7 139.1 L179.6 147.2 L175.2 154.8 L169.7 161.7 L163.1 167.6 L155.7 172.4 L147.5 176.0 L138.9 178.3 L130.0 179.2 L121.0 178.8 L112.2 176.9 L103.7 173.6 L95.8 169.0 L88.7 163.3 L82.6 156.5 L77.6 148.7 L73.8 140.3 L71.4 131.3 L70.5 122.0 L71.0 112.7 L72.9 103.5 L76.3 94.7 L81.1 86.5 L87.1 79.1 L94.2 72.7 L102.2 67.5 L111.0 63.6 L120.4 61.1 L130.0 60.2 L139.7 60.7 L149.3 62.7 L158.4 66.3 L166.9 71.2 L174.5 77.5 L181.2 84.8 L186.5 93.2 L190.6 102.3 L193.1 112.0 L194.2 122.0 L193.6 132.1 L191.5 142.0 L187.8 151.4 L182.6 160.3 L176.2 168.2 L168.5 175.0 L159.9 180.6 L150.4 184.8\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"6.5\" stroke-linecap=\"round\"><\/path><path d=\"M148.0 122.0 L148.0 124.9 L147.6 127.7 L146.7 130.5 L145.3 133.1 L143.5 135.5 L141.4 137.7 L138.9 139.5 L136.1 140.9 L133.1 141.8 L130.0 142.3 L126.8 142.3 L123.6 141.8 L120.5 140.7 L117.5 139.2 L114.8 137.2 L112.5 134.8 L110.5 132.0 L108.9 128.8 L107.9 125.5 L107.4 122.0 L107.4 118.4 L108.1 114.9 L109.2 111.4 L111.0 108.2 L113.2 105.2 L115.9 102.6 L119.0 100.4 L122.4 98.7 L126.1 97.6 L130.0 97.1 L133.9 97.2 L137.8 97.9 L141.6 99.2 L145.2 101.1 L148.4 103.6 L151.3 106.5 L153.6 110.0 L155.5 113.7 L156.7 117.8 L157.2 122.0 L157.1 126.3 L156.3 130.6 L154.9 134.7 L152.8 138.5 L150.1 142.1 L146.8 145.2 L143.1 147.7 L139.0 149.7 L134.6 150.9 L130.0 151.5 L125.3 151.4 L120.7 150.5 L116.3 148.9 L112.1 146.6 L108.3 143.7 L105.0 140.2 L102.2 136.1 L100.2 131.7 L98.8 126.9 L98.2 122.0 L98.3 117.0 L99.3 112.0 L101.0 107.2 L103.5 102.7 L106.7 98.7 L110.5 95.1 L114.8 92.2 L119.6 90.0 L124.7 88.5 L130.0 87.8 L135.4 88.0 L140.7 89.1 L145.8 91.0 L150.6 93.6 L155.0 97.0 L158.8 101.1 L161.9 105.8 L164.2 110.9 L165.8 116.3 L166.5 122.0 L166.2 127.7 L165.1 133.4 L163.1 138.9 L160.2 144.0 L156.6 148.6 L152.2 152.6 L147.3 155.9 L141.8 158.4 L136.0 160.1 L130.0 160.8 L123.9 160.5 L117.9 159.3 L112.1 157.2 L106.7 154.1 L101.8 150.2 L97.5 145.6 L94.0 140.3 L91.4 134.6 L89.7 128.4 L88.9 122.0 L89.2 115.5 L90.5 109.2 L92.8 103.0 L96.0 97.3 L100.1 92.1 L105.0 87.6 L110.6 84.0 L116.7 81.2 L123.2 79.4 L130.0 78.6 L136.8 78.9 L143.5 80.3 L150.0 82.7 L156.0 86.2 L161.5 90.5 L166.2 95.7 L170.1 101.6 L173.0 108.0 L174.9 114.9 L175.7 122.0 L175.4 129.2 L173.9 136.3 L171.3 143.1 L167.7 149.4 L163.1 155.1 L157.7 160.1 L151.5 164.2 L144.7 167.2 L137.5 169.2 L130.0 170.0 L122.5 169.6 L115.0 168.1 L107.9 165.4 L101.2 161.6 L95.2 156.8 L90.0 151.0 L85.8 144.5 L82.6 137.4 L80.5 129.8 L79.7 122.0 L80.1 114.1 L81.7 106.3 L84.6 98.8 L88.6 91.9 L93.6 85.6 L99.6 80.2 L106.4 75.7 L113.9 72.4 L121.8 70.3 L130.0 69.4 L138.3 69.8 L146.4 71.5 L154.2 74.5 L161.5 78.7 L168.0 84.0 L173.7 90.3 L178.3 97.4 L181.8 105.2 L184.0 113.4 L184.9 122.0 L184.5 130.6 L182.7 139.1 L179.6 147.2 L175.2 154.8 L169.7 161.7 L163.1 167.6 L155.7 172.4 L147.5 176.0 L138.9 178.3 L130.0 179.2 L121.0 178.8 L112.2 176.9 L103.7 173.6 L95.8 169.0 L88.7 163.3 L82.6 156.5 L77.6 148.7 L73.8 140.3 L71.4 131.3 L70.5 122.0 L71.0 112.7 L72.9 103.5 L76.3 94.7 L81.1 86.5 L87.1 79.1 L94.2 72.7 L102.2 67.5 L111.0 63.6 L120.4 61.1 L130.0 60.2 L139.7 60.7 L149.3 62.7 L158.4 66.3 L166.9 71.2 L174.5 77.5 L181.2 84.8 L186.5 93.2 L190.6 102.3 L193.1 112.0 L194.2 122.0 L193.6 132.1 L191.5 142.0 L187.8 151.4 L182.6 160.3 L176.2 168.2 L168.5 175.0 L159.9 180.6 L150.4 184.8\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><circle cx=\"130.0\" cy=\"122.0\" r=\"13.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"2\" ><\/circle><path d=\"M150.4 184.8 C 210.4 174.8, 280 150, 372 156\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9.5\" stroke-linecap=\"round\"><\/path><path d=\"M150.4 184.8 C 210.4 174.8, 280 150, 372 156\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"6.5\" stroke-linecap=\"round\"><\/path><path d=\"M150.4 184.8 C 210.4 174.8, 280 150, 372 156\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><text x=\"376\" y=\"148\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0111i\u1ec3m c\u1ea5p<\/text><text x=\"24\" y=\"218\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\" >V\u00f2ng c\u00e1p ch\u1ed3ng l\u00ean v\u00f2ng, kh\u00f4ng ch\u00e9o nhau<\/text><text x=\"24\" y=\"238\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u00d8 l\u00f5i tang \u2265 20\u00d7D (70,9 mm \u2192 1 418 mm)<\/text><path d=\"M340 34 l9 9 l19 -22\" fill=\"none\" stroke=\"#5fd88a\" stroke-width=\"6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><figcaption>Tang cu\u1ed1n mono-spiral: v\u00f2ng c\u00e1p ch\u1ed3ng l\u00ean v\u00f2ng; h\u00e3ng tang n\u00eau thi\u1ebft k\u1ebf n\u00e0y ch\u1ed1ng xo\u1eafn v\u00e0 l\u00e0m m\u00e1t c\u00e1p t\u1ed1t; R u\u1ed1n \u2265 10\u00d7D n\u00ean \u00d8 l\u00f5i tang \u2265 20\u00d7D (D = 70,9 mm \u2192 1 418 mm)<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[14]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Tang tr\u1ee5 nhi\u1ec1u l\u1edbp: h\u1ec7 s\u1ed1 gi\u1ea3m d\u00f2ng theo s\u1ed1 l\u1edbp c\u00e1p\"><defs>\n<pattern id=\"cus2\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tins2\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gys2\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"pes2\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"ars2\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbs2\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"pls2\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hats2\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"400\" height=\"250\" fill=\"#0e1a1e\"><\/rect><rect x=\"0.0\" y=\"0.0\" width=\"400.0\" height=\"250.0\" rx=\"0\" fill=\"#101a1e\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\" >Tang tr\u1ee5 nhi\u1ec1u l\u1edbp<\/text><rect x=\"52.0\" y=\"46.0\" width=\"8.0\" height=\"122.0\" rx=\"0\" fill=\"#2a4650\" stroke=\"none\" stroke-width=\"1\" ><\/rect><rect x=\"260.0\" y=\"46.0\" width=\"8.0\" height=\"122.0\" rx=\"0\" fill=\"#2a4650\" stroke=\"none\" stroke-width=\"1\" ><\/rect><rect x=\"60.0\" y=\"156.0\" width=\"200.0\" height=\"6.0\" rx=\"0\" fill=\"#22333b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><circle cx=\"70.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"90.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"110.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"130.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"150.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"170.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"190.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"210.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"230.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"250.0\" cy=\"146.0\" r=\"9.4\" fill=\"#8a96a0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"80.0\" cy=\"127.6\" r=\"9.4\" fill=\"#6f7b82\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"100.0\" cy=\"127.6\" r=\"9.4\" fill=\"#6f7b82\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"120.0\" cy=\"127.6\" r=\"9.4\" fill=\"#6f7b82\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"140.0\" cy=\"127.6\" r=\"9.4\" fill=\"#6f7b82\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"160.0\" cy=\"127.6\" r=\"9.4\" fill=\"#6f7b82\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"180.0\" cy=\"127.6\" r=\"9.4\" fill=\"#6f7b82\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"200.0\" cy=\"127.6\" r=\"9.4\" fill=\"#6f7b82\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"220.0\" cy=\"127.6\" r=\"9.4\" fill=\"#6f7b82\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"240.0\" cy=\"127.6\" r=\"9.4\" fill=\"#6f7b82\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"70.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"90.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"110.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"130.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"150.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"170.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"190.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"210.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"230.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"250.0\" cy=\"109.2\" r=\"9.4\" fill=\"#56626a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"80.0\" cy=\"90.8\" r=\"9.4\" fill=\"#46515a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"100.0\" cy=\"90.8\" r=\"9.4\" fill=\"#46515a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"120.0\" cy=\"90.8\" r=\"9.4\" fill=\"#46515a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"140.0\" cy=\"90.8\" r=\"9.4\" fill=\"#46515a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"160.0\" cy=\"90.8\" r=\"9.4\" fill=\"#46515a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"180.0\" cy=\"90.8\" r=\"9.4\" fill=\"#46515a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"200.0\" cy=\"90.8\" r=\"9.4\" fill=\"#46515a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"220.0\" cy=\"90.8\" r=\"9.4\" fill=\"#46515a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"240.0\" cy=\"90.8\" r=\"9.4\" fill=\"#46515a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><line x1=\"276.0\" y1=\"146.0\" x2=\"294.0\" y2=\"146.0\" stroke=\"#5fd88a\" stroke-width=\"2\" ><\/line><text x=\"300\" y=\"150\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#5fd88a\" font-weight=\"normal\" >1 l\u1edbp<\/text><line x1=\"276.0\" y1=\"127.6\" x2=\"294.0\" y2=\"127.6\" stroke=\"#38c8e8\" stroke-width=\"2\" ><\/line><text x=\"300\" y=\"131.6\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#38c8e8\" font-weight=\"normal\" >2 l\u1edbp<\/text><line x1=\"276.0\" y1=\"109.2\" x2=\"294.0\" y2=\"109.2\" stroke=\"#ffb454\" stroke-width=\"2\" ><\/line><text x=\"300\" y=\"113.2\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#ffb454\" font-weight=\"normal\" >3 l\u1edbp<\/text><line x1=\"276.0\" y1=\"90.8\" x2=\"294.0\" y2=\"90.8\" stroke=\"#ff777f\" stroke-width=\"2\" ><\/line><text x=\"300\" y=\"94.8\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#ff777f\" font-weight=\"normal\" >4 l\u1edbp<\/text><text x=\"24\" y=\"198\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\" >VDE 0298-4: 0,80 \/ 0,61 \/ 0,49 \/ 0,42<\/text><text x=\"24\" y=\"218\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\" >ICEA: 0,85 \/ 0,65 \/ 0,45 \/ 0,35<\/text><text x=\"24\" y=\"238\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >L\u1edbp trong n\u00f3ng nh\u1ea5t: gi\u1eef \u00edt l\u1edbp<\/text><\/svg><figcaption>Tang tr\u1ee5 nhi\u1ec1u l\u1edbp: \u00e1p h\u1ec7 s\u1ed1 gi\u1ea3m d\u00f2ng theo s\u1ed1 l\u1edbp (VDE 0,80 \/ 0,61 \/ 0,49 \/ 0,42; ICEA 0,85 \/ 0,65 \/ 0,45 \/ 0,35); 3\u00d74\/0 AWG (364 A) c\u00f2n 153 A (VDE) ho\u1eb7c 127 A (ICEA) \u1edf b\u1ed1n l\u1edbp<sup class=\"ref-n\">[4]<\/sup><sup class=\"ref-n\">[5]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"M\u00e1y r\u1ea3i thu h\u1ed3i di chuy\u1ec3n d\u1ecdc ray, c\u00e1p tang cu\u1ed1n n\u1ed1i t\u1eeb tang tr\u00ean m\u00e1y t\u1edbi \u0111i\u1ec3m c\u1ea5p\"><defs>\n<pattern id=\"cus3\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tins3\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gys3\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"pes3\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"ars3\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbs3\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"pls3\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hats3\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"400\" height=\"250\" fill=\"#0e1a1e\"><\/rect><rect x=\"0.0\" y=\"0.0\" width=\"400.0\" height=\"250.0\" rx=\"0\" fill=\"#101a1e\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\" >M\u00e1y r\u1ea3i \u2013 thu h\u1ed3i tr\u00ean b\u00e3i h\u00e0ng r\u1eddi<\/text><rect x=\"0.0\" y=\"196.0\" width=\"400.0\" height=\"54.0\" rx=\"0\" fill=\"#16262c\" stroke=\"none\" stroke-width=\"1\" ><\/rect><path d=\"M30 196 L120 128 L210 196 Z\" fill=\"#2f3a40\" stroke=\"#3a4a52\" stroke-width=\"1.5\" ><\/path><line x1=\"20.0\" y1=\"196.0\" x2=\"380.0\" y2=\"196.0\" stroke=\"#5b6b73\" stroke-width=\"3\" ><\/line><rect x=\"250.0\" y=\"150.0\" width=\"60.0\" height=\"32.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\" ><\/rect><line x1=\"252.0\" y1=\"150.0\" x2=\"176.0\" y2=\"98.0\" stroke=\"#9cc0cc\" stroke-width=\"5\" ><\/line><line x1=\"280.0\" y1=\"150.0\" x2=\"280.0\" y2=\"118.0\" stroke=\"#9cc0cc\" stroke-width=\"4\" ><\/line><line x1=\"280.0\" y1=\"118.0\" x2=\"176.0\" y2=\"98.0\" stroke=\"#6f7b82\" stroke-width=\"1.5\" ><\/line><circle cx=\"262.0\" cy=\"190.0\" r=\"6.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\" ><\/circle><circle cx=\"300.0\" cy=\"190.0\" r=\"6.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\" ><\/circle><rect x=\"300.0\" y=\"118.0\" width=\"36.0\" height=\"26.0\" rx=\"0\" fill=\"#2a4650\" stroke=\"#e8c37b\" stroke-width=\"1.5\" ><\/rect><circle cx=\"318.0\" cy=\"131.0\" r=\"8.0\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"2\" ><\/circle><path d=\"M336 140 C 350 190, 360 190, 372 196\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9\" stroke-linecap=\"round\"><\/path><path d=\"M336 140 C 350 190, 360 190, 372 196\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"6\" stroke-linecap=\"round\"><\/path><path d=\"M336 140 C 350 190, 360 190, 372 196\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><path d=\"M372 196 L 390 196\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9\" stroke-linecap=\"round\"><\/path><path d=\"M372 196 L 390 196\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"6\" stroke-linecap=\"round\"><\/path><path d=\"M372 196 L 390 196\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><text x=\"376\" y=\"214\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0111i\u1ec3m c\u1ea5p<\/text><text x=\"24\" y=\"222\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\" >Datasheet n\u00eau tang m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i<\/text><text x=\"24\" y=\"240\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0110i d\u1ecdc ray; ki\u1ec3m so\u00e1t m\u00f4-men tang<\/text><path d=\"M340 34 l9 9 l19 -22\" fill=\"none\" stroke=\"#5fd88a\" stroke-width=\"6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><figcaption>M\u00e1y r\u1ea3i \u2013 thu h\u1ed3i: tang m\u1ed9t h\u01b0\u1edbng d\u1ecdc ray; datasheet n\u00eau \u1ee9ng d\u1ee5ng n\u00e0y; ki\u1ec3m so\u00e1t m\u00f4-men tang v\u00e0 s\u1ed1 l\u1edbp c\u00f2n tr\u00ean tang<sup class=\"ref-n\">[1]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"C\u1ea9u gi\u00e0n container v\u1edbi tang c\u00e1p tr\u00ean ch\u00e2n c\u1ea9u v\u00e0 c\u00e1p n\u1ed1i xu\u1ed1ng r\u00e3nh c\u00e1p\"><defs>\n<pattern id=\"cus4\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tins4\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gys4\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"pes4\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"ars4\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbs4\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"pls4\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hats4\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"400\" height=\"250\" fill=\"#0e1a1e\"><\/rect><rect x=\"0.0\" y=\"0.0\" width=\"400.0\" height=\"250.0\" rx=\"0\" fill=\"#101a1e\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\" >C\u1ea9u gi\u00e0n container (RMG, RTG)<\/text><rect x=\"0.0\" y=\"206.0\" width=\"400.0\" height=\"44.0\" rx=\"0\" fill=\"#16262c\" stroke=\"none\" stroke-width=\"1\" ><\/rect><line x1=\"30.0\" y1=\"206.0\" x2=\"370.0\" y2=\"206.0\" stroke=\"#5b6b73\" stroke-width=\"3\" ><\/line><line x1=\"70.0\" y1=\"206.0\" x2=\"90.0\" y2=\"70.0\" stroke=\"#9cc0cc\" stroke-width=\"5\" ><\/line><line x1=\"310.0\" y1=\"206.0\" x2=\"290.0\" y2=\"70.0\" stroke=\"#9cc0cc\" stroke-width=\"5\" ><\/line><rect x=\"70.0\" y=\"60.0\" width=\"240.0\" height=\"12.0\" rx=\"0\" fill=\"#6f7b82\" stroke=\"#38c8e8\" stroke-width=\"1.2\" ><\/rect><rect x=\"150.0\" y=\"72.0\" width=\"60.0\" height=\"18.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#e8c37b\" stroke-width=\"1.2\" ><\/rect><line x1=\"180.0\" y1=\"90.0\" x2=\"180.0\" y2=\"132.0\" stroke=\"#9cc0cc\" stroke-width=\"1.5\" ><\/line><rect x=\"160.0\" y=\"132.0\" width=\"40.0\" height=\"22.0\" rx=\"0\" fill=\"#d98d1c\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/rect><rect x=\"110.0\" y=\"170.0\" width=\"30.0\" height=\"34.0\" rx=\"0\" fill=\"#2a6f8c\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/rect><rect x=\"144.0\" y=\"169.0\" width=\"30.0\" height=\"34.0\" rx=\"0\" fill=\"#8c3a2a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/rect><rect x=\"178.0\" y=\"170.0\" width=\"30.0\" height=\"34.0\" rx=\"0\" fill=\"#2a8c5a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/rect><rect x=\"212.0\" y=\"169.0\" width=\"30.0\" height=\"34.0\" rx=\"0\" fill=\"#8c7a2a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/rect><rect x=\"246.0\" y=\"170.0\" width=\"30.0\" height=\"34.0\" rx=\"0\" fill=\"#4a4a8c\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/rect><rect x=\"66.0\" y=\"120.0\" width=\"24.0\" height=\"30.0\" rx=\"0\" fill=\"#2a4650\" stroke=\"#e8c37b\" stroke-width=\"1.5\" ><\/rect><circle cx=\"78.0\" cy=\"135.0\" r=\"8.0\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"2\" ><\/circle><path d=\"M70 150 C 40 190, 40 200, 36 206\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9\" stroke-linecap=\"round\"><\/path><path d=\"M70 150 C 40 190, 40 200, 36 206\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"6\" stroke-linecap=\"round\"><\/path><path d=\"M70 150 C 40 190, 40 200, 36 206\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><text x=\"24\" y=\"222\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\" >Datasheet n\u00eau tang c\u1ea9u container<\/text><text x=\"24\" y=\"240\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >Tr\u00ean 240 m\/ph\u00fat: h\u1ecfi nh\u00e0 s\u1ea3n xu\u1ea5t<\/text><path d=\"M340 34 l9 9 l19 -22\" fill=\"none\" stroke=\"#5fd88a\" stroke-width=\"6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><figcaption>C\u1ea9u gi\u00e0n container (RMG, RTG): tang tr\u00ean ch\u00e2n c\u1ea9u; t\u1ed1c \u0111\u1ed9 tang kh\u00f4ng h\u1ea1n ch\u1ebf, tr\u00ean 240 m\/ph\u00fat h\u1ecfi nh\u00e0 s\u1ea3n xu\u1ea5t<sup class=\"ref-n\">[1]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"M\u00e1y x\u1ebfp ho\u1eb7c d\u1ee1 t\u00e0u tr\u00ean c\u1ea7u t\u00e0u v\u1edbi tang c\u00e1p tr\u00ean th\u00e1p\"><defs>\n<pattern id=\"cus5\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tins5\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gys5\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"pes5\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"ars5\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbs5\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"pls5\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hats5\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"400\" height=\"250\" fill=\"#0e1a1e\"><\/rect><rect x=\"0.0\" y=\"0.0\" width=\"400.0\" height=\"250.0\" rx=\"0\" fill=\"#101a1e\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\" >M\u00e1y x\u1ebfp d\u1ee1 t\u00e0u (ship loader, unloader)<\/text><rect x=\"0.0\" y=\"176.0\" width=\"400.0\" height=\"74.0\" rx=\"0\" fill=\"#123240\" stroke=\"none\" stroke-width=\"1\" ><\/rect><path d=\"M0 176 C 40 170, 80 182, 120 176 C 160 170, 200 182, 240 176 C 280 170, 320 182, 360 176 L 400 178 L 400 184 L 0 184 Z\" fill=\"#1c5a74\" stroke=\"none\" stroke-width=\"1\" ><\/path><rect x=\"0.0\" y=\"160.0\" width=\"120.0\" height=\"16.0\" rx=\"0\" fill=\"#3a4a52\" stroke=\"none\" stroke-width=\"1\" ><\/rect><path d=\"M190 176 L 400 176 L 380 214 L 215 214 Z\" fill=\"#3b4248\" stroke=\"#0a1014\" stroke-width=\"1.5\" ><\/path><rect x=\"250.0\" y=\"150.0\" width=\"70.0\" height=\"26.0\" rx=\"0\" fill=\"#2a4650\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/rect><rect x=\"86.0\" y=\"60.0\" width=\"24.0\" height=\"100.0\" rx=\"0\" fill=\"#6f7b82\" stroke=\"none\" stroke-width=\"1\" ><\/rect><line x1=\"98.0\" y1=\"66.0\" x2=\"250.0\" y2=\"100.0\" stroke=\"#9cc0cc\" stroke-width=\"5\" ><\/line><line x1=\"98.0\" y1=\"66.0\" x2=\"60.0\" y2=\"100.0\" stroke=\"#9cc0cc\" stroke-width=\"4\" ><\/line><rect x=\"100.0\" y=\"110.0\" width=\"30.0\" height=\"22.0\" rx=\"0\" fill=\"#2a4650\" stroke=\"#e8c37b\" stroke-width=\"1.5\" ><\/rect><circle cx=\"115.0\" cy=\"121.0\" r=\"8.0\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"2\" ><\/circle><path d=\"M100 132 C 70 150, 40 150, 28 160\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9\" stroke-linecap=\"round\"><\/path><path d=\"M100 132 C 70 150, 40 150, 28 160\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"6\" stroke-linecap=\"round\"><\/path><path d=\"M100 132 C 70 150, 40 150, 28 160\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><text x=\"24\" y=\"222\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\" >Datasheet n\u00eau tang m\u00e1y x\u1ebfp, d\u1ee1 t\u00e0u<\/text><text x=\"24\" y=\"240\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#cfe6ee\" font-weight=\"normal\" >N\u01b0\u1edbc bi\u1ec3n b\u1eafn: ch\u1ecbu; kh\u00f4ng d\u00f9ng ng\u00e2m<\/text><path d=\"M340 34 l9 9 l19 -22\" fill=\"none\" stroke=\"#5fd88a\" stroke-width=\"6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><figcaption>M\u00e1y x\u1ebfp, d\u1ee1 t\u00e0u: tang tr\u00ean th\u00e1p; n\u01b0\u1edbc bi\u1ec3n b\u1eafn \u0111\u01b0\u1ee3c datasheet n\u00eau ch\u1ecbu, kh\u00f4ng n\u00eau ng\u00e2m n\u01b0\u1edbc; c\u00f3 \u0111o\u1ea1n treo th\u1eb3ng \u0111\u1ee9ng (25 \u2013 57 m \u1edf 20 N\/mm\u00b2)<sup class=\"ref-n\">[1]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"C\u00e1p \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S qua hai con l\u0103n v\u1edbi kho\u1ea3ng c\u00e1ch t\u1ed1i thi\u1ec3u 20 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh c\u00e1p\"><defs>\n<pattern id=\"cus6\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tins6\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gys6\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"pes6\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"ars6\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbs6\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"pls6\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hats6\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"400\" height=\"250\" fill=\"#0e1a1e\"><\/rect><rect x=\"0.0\" y=\"0.0\" width=\"400.0\" height=\"250.0\" rx=\"0\" fill=\"#101a1e\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0110\u1ed5i h\u01b0\u1edbng ch\u1eef S qua con l\u0103n<\/text><circle cx=\"130.0\" cy=\"100.0\" r=\"34.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"2\" ><\/circle><circle cx=\"250.0\" cy=\"150.0\" r=\"34.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"2\" ><\/circle><path d=\"M20 66 C 80 66, 130 66, 160 100 C 190 134, 200 150, 250 116 C 300 82, 320 130, 380 130\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"11\" stroke-linecap=\"round\"><\/path><path d=\"M20 66 C 80 66, 130 66, 160 100 C 190 134, 200 150, 250 116 C 300 82, 320 130, 380 130\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"8\" stroke-linecap=\"round\"><\/path><path d=\"M20 66 C 80 66, 130 66, 160 100 C 190 134, 200 150, 250 116 C 300 82, 320 130, 380 130\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><line x1=\"130.0\" y1=\"100.0\" x2=\"130.0\" y2=\"168.0\" stroke=\"#9cc0cc\" stroke-width=\"1\" stroke-dasharray=\"3 3\"><\/line><line x1=\"250.0\" y1=\"150.0\" x2=\"250.0\" y2=\"168.0\" stroke=\"#9cc0cc\" stroke-width=\"1\" stroke-dasharray=\"3 3\"><\/line><line x1=\"130.0\" y1=\"176.0\" x2=\"250.0\" y2=\"176.0\" stroke=\"#e8c37b\" stroke-width=\"1.4\" ><\/line><line x1=\"130.0\" y1=\"170.0\" x2=\"130.0\" y2=\"182.0\" stroke=\"#e8c37b\" stroke-width=\"1\" ><\/line><line x1=\"250.0\" y1=\"170.0\" x2=\"250.0\" y2=\"182.0\" stroke=\"#e8c37b\" stroke-width=\"1\" ><\/line><text x=\"190\" y=\"196\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13.5\" fill=\"#e8c37b\" font-weight=\"bold\" >\u2265 20\u00d7D gi\u1eefa hai l\u1ea7n \u0111\u1ed5i h\u01b0\u1edbng<\/text><text x=\"200\" y=\"216\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >D = 70,9 mm \u2192 kho\u1ea3ng c\u00e1ch \u2265 1 418 mm<\/text><text x=\"200\" y=\"235\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0110\u01b0\u1eddng k\u00ednh con l\u0103n \u2265 2R<\/text><\/svg><figcaption>\u0110\u1ed5i h\u01b0\u1edbng ch\u1eef S: kho\u1ea3ng c\u00e1ch gi\u1eefa hai l\u1ea7n \u0111\u1ed5i h\u01b0\u1edbng \u2265 20\u00d7D (D = 70,9 mm \u2192 \u2265 1 418 mm), \u0111\u01b0\u1eddng k\u00ednh con l\u0103n \u2265 2R<sup class=\"ref-n\">[1]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"X\u00edch d\u1eabn c\u00e1p c\u1ee1 l\u1edbn: kh\u00f4ng ph\u1ea3i \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c datasheet n\u00eau\"><defs>\n<pattern id=\"cus7\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tins7\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gys7\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"pes7\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"ars7\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbs7\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"pls7\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hats7\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"400\" height=\"250\" fill=\"#0e1a1e\"><\/rect><rect x=\"0.0\" y=\"0.0\" width=\"400.0\" height=\"250.0\" rx=\"0\" fill=\"#101a1e\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\" >X\u00edch d\u1eabn c\u00e1p: ngo\u00e0i ph\u1ea1m vi datasheet<\/text><rect x=\"30.0\" y=\"66.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"30.0\" y=\"150.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"58.0\" y=\"66.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"58.0\" y=\"150.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"86.0\" y=\"66.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"86.0\" y=\"150.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"114.0\" y=\"66.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"114.0\" y=\"150.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"142.0\" y=\"66.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"142.0\" y=\"150.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"170.0\" y=\"66.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"170.0\" y=\"150.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"198.0\" y=\"66.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"198.0\" y=\"150.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"226.0\" y=\"66.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><rect x=\"226.0\" y=\"150.0\" width=\"24.0\" height=\"12.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1\" ><\/rect><path d=\"M242 72 A 42 42 0 0 1 242 156\" fill=\"none\" stroke=\"#38c8e8\" stroke-width=\"9\" ><\/path><path d=\"M30 114 H 245\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"25\" stroke-linecap=\"round\"><\/path><path d=\"M30 114 H 245\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"22\" stroke-linecap=\"round\"><\/path><path d=\"M30 114 H 245\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><line x1=\"300.0\" y1=\"60.0\" x2=\"334.0\" y2=\"94.0\" stroke=\"#ff777f\" stroke-width=\"6\" stroke-linecap=\"round\"><\/line><line x1=\"300.0\" y1=\"94.0\" x2=\"334.0\" y2=\"60.0\" stroke=\"#ff777f\" stroke-width=\"6\" stroke-linecap=\"round\"><\/line><text x=\"24\" y=\"190\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#ff777f\" font-weight=\"bold\" >\u00d8 58 \u2013 85 mm \u00b7 5,1 \u2013 11,6 kg\/m<\/text><text x=\"24\" y=\"208\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >R x\u00edch \u2265 10\u00d7D \u2248 616 \u2013 848 mm<\/text><text x=\"24\" y=\"226\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >Datasheet kh\u00f4ng n\u00eau x\u00edch d\u1eabn c\u00e1p<\/text><text x=\"24\" y=\"244\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\" >C\u1ea7n h\u00e3ng x\u00edch, h\u00e3ng c\u00e1p x\u00e1c nh\u1eadn<\/text><\/svg><figcaption>X\u00edch d\u1eabn c\u00e1p: datasheet kh\u00f4ng n\u00eau; c\u00e1p \u00d8 58 \u2013 85 mm, 5,1 \u2013 11,6 kg\/m, R \u2265 10\u00d7D (616 \u2013 848 mm); c\u1ea7n h\u00e3ng x\u00edch v\u00e0 h\u00e3ng c\u00e1p x\u00e1c nh\u1eadn b\u1eb1ng v\u0103n b\u1ea3n<sup class=\"ref-n\">[1]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"K\u00e9o l\u00ea c\u00e1p tang cu\u1ed1n tr\u00ean n\u1ec1n \u0111\u00e1: kh\u00f4ng ph\u1ea3i m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng\"><defs>\n<pattern id=\"cus8\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tins8\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gys8\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"pes8\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"ars8\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbs8\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"pls8\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hats8\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"400\" height=\"250\" fill=\"#0e1a1e\"><\/rect><rect x=\"0.0\" y=\"0.0\" width=\"400.0\" height=\"250.0\" rx=\"0\" fill=\"#101a1e\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\" >K\u00e9o l\u00ea tr\u00ean n\u1ec1n \u0111\u00e1, m\u1eb7t m\u1ecf: kh\u00f4ng d\u00f9ng<\/text><path d=\"M0 176 L 70 160 L 130 174 L 195 156 L 265 172 L 400 158 L 400 250 L 0 250 Z\" fill=\"#2a3338\" stroke=\"#3a4a52\" stroke-width=\"1\" ><\/path><rect x=\"30.0\" y=\"116.0\" width=\"76.0\" height=\"32.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\" ><\/rect><circle cx=\"48.0\" cy=\"154.0\" r=\"9.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\" ><\/circle><circle cx=\"88.0\" cy=\"154.0\" r=\"9.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\" ><\/circle><path d=\"M106 130 C 160 130, 170 164, 215 158 C 260 152, 300 168, 346 158\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"12\" stroke-linecap=\"round\"><\/path><path d=\"M106 130 C 160 130, 170 164, 215 158 C 260 152, 300 168, 346 158\" fill=\"none\" stroke=\"#c9a227\" stroke-width=\"9\" stroke-linecap=\"round\"><\/path><path d=\"M106 130 C 160 130, 170 164, 215 158 C 260 152, 300 168, 346 158\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><line x1=\"300.0\" y1=\"60.0\" x2=\"334.0\" y2=\"94.0\" stroke=\"#ff777f\" stroke-width=\"6\" stroke-linecap=\"round\"><\/line><line x1=\"300.0\" y1=\"94.0\" x2=\"334.0\" y2=\"60.0\" stroke=\"#ff777f\" stroke-width=\"6\" stroke-linecap=\"round\"><\/line><text x=\"24\" y=\"200\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#ff777f\" font-weight=\"bold\" >M\u00e0i m\u00f2n, c\u1eaft, nghi\u1ec1n khi l\u00ea<\/text><text x=\"24\" y=\"220\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >L\u00ea t\u0129nh ch\u1ec9 42 \u2013 95 m (\u03bc = 0,6)<\/text><text x=\"24\" y=\"240\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\" >D\u00f9ng Type 240 \/ 275, TENAX-PUR<\/text><\/svg><figcaption>K\u00e9o l\u00ea tr\u00ean n\u1ec1n, m\u1eb7t m\u1ecf: kh\u00f4ng ph\u1ea3i m\u1ee5c \u0111\u00edch c\u1ee7a c\u00e1p tang cu\u1ed1n; d\u00f9ng c\u00e1p k\u00e9o l\u00ea v\u1ecf d\u00e0y nh\u01b0 Type 240 \/ 275 ho\u1eb7c TENAX-PUR c\u1ee7a FeiChun<sup class=\"ref-n\">[13]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"\u0110\u1ea7u c\u00e1p trung th\u1ebf t\u00e1ch ba l\u00f5i, d\u00e2y PE v\u00e0 kh\u1ed1i s\u1ee3i quang\"><defs>\n<pattern id=\"cus9\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tins9\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gys9\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"pes9\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"ars9\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbs9\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"pls9\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hats9\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"400\" height=\"250\" fill=\"#0e1a1e\"><\/rect><rect x=\"0.0\" y=\"0.0\" width=\"400.0\" height=\"250.0\" rx=\"0\" fill=\"#101a1e\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0110\u1ea7u c\u00e1p: l\u00f5i, PE v\u00e0 kh\u1ed1i s\u1ee3i quang<\/text><path d=\"M20 120 H 140\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"21\" stroke-linecap=\"round\"><\/path><path d=\"M20 120 H 140\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"18\" stroke-linecap=\"round\"><\/path><path d=\"M20 120 H 140\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><path d=\"M140 120 C 180 120, 190 70, 250 70 H 300\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 190 70, 250 70 H 300\" fill=\"none\" stroke=\"#8a5a3c\" stroke-width=\"6\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 190 70, 250 70 H 300\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><path d=\"M140 120 C 180 120, 200 104, 260 104 H 300\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 200 104, 260 104 H 300\" fill=\"none\" stroke=\"#8a5a3c\" stroke-width=\"6\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 200 104, 260 104 H 300\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><path d=\"M140 120 C 180 120, 200 138, 260 138 H 300\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 200 138, 260 138 H 300\" fill=\"none\" stroke=\"#8a5a3c\" stroke-width=\"6\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 200 138, 260 138 H 300\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><path d=\"M140 120 C 180 120, 190 168, 250 168 H 300\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"7\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 190 168, 250 168 H 300\" fill=\"none\" stroke=\"#5fd88a\" stroke-width=\"4\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 190 168, 250 168 H 300\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><path d=\"M140 120 C 180 120, 180 196, 240 196 H 300\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"5.5\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 180 196, 240 196 H 300\" fill=\"none\" stroke=\"#7fd0e0\" stroke-width=\"2.5\" stroke-linecap=\"round\"><\/path><path d=\"M140 120 C 180 120, 180 196, 240 196 H 300\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-dasharray=\"2 5\"><\/path><rect x=\"300.0\" y=\"61.0\" width=\"30.0\" height=\"18.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#ffb454\" stroke-width=\"1.5\" ><\/rect><rect x=\"300.0\" y=\"95.0\" width=\"30.0\" height=\"18.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#ffb454\" stroke-width=\"1.5\" ><\/rect><rect x=\"300.0\" y=\"129.0\" width=\"30.0\" height=\"18.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#ffb454\" stroke-width=\"1.5\" ><\/rect><rect x=\"300.0\" y=\"159.0\" width=\"24.0\" height=\"18.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#5fd88a\" stroke-width=\"1.5\" ><\/rect><rect x=\"300.0\" y=\"189.0\" width=\"22.0\" height=\"14.0\" rx=\"0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\" ><\/rect><text x=\"338\" y=\"100\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#9cc0cc\" font-weight=\"normal\" >ru\u1ed9t pha \u00d73<\/text><text x=\"338\" y=\"114\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0111\u1ea7u c\u1ed1t MV<\/text><text x=\"332\" y=\"172\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#9cc0cc\" font-weight=\"normal\" >PE<\/text><text x=\"330\" y=\"200\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0111\u1ea7u quang<\/text><text x=\"24\" y=\"224\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\" >\u0110\u1ea7u quang g\u1eafn s\u1eb5n t\u1ea1i nh\u00e0 m\u00e1y<\/text><text x=\"24\" y=\"242\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0110o OTDR, th\u1eed \u0111i\u1ec7n \u00e1p tr\u01b0\u1edbc xu\u1ea5t x\u01b0\u1edfng<\/text><path d=\"M340 34 l9 9 l19 -22\" fill=\"none\" stroke=\"#5fd88a\" stroke-width=\"6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><figcaption>\u0110\u1ea7u c\u00e1p v\u00e0 s\u1ee3i quang: t\u00e1ch ba l\u00f5i, d\u00e2y PE v\u00e0 kh\u1ed1i s\u1ee3i quang; \u0111\u1ea7u quang n\u00ean g\u1eafn s\u1eb5n t\u1ea1i nh\u00e0 m\u00e1y, b\u00f3c l\u1edbp NBR \u0111\u00fang quy tr\u00ecnh<sup class=\"ref-n\">[1]<\/sup><\/figcaption><\/figure><\/div><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1250px\"><caption>Ki\u1ec3m tra theo k\u1ecbch b\u1ea3n<\/caption><thead><tr><th>K\u1ecbch b\u1ea3n<\/th><th>T\u1ea3i ch\u00ednh<\/th><th>C\u1ea7n ki\u1ec3m tra<\/th><\/tr><\/thead><tbody><tr><td>M\u00e1y r\u1ea3i \u2013 thu h\u1ed3i tr\u00ean b\u00e3i h\u00e0ng r\u1eddi<\/td><td>tang theo ray; \u0111\u1ed5i chi\u1ec1u; b\u1ee5i, n\u01b0\u1edbc bi\u1ec3n b\u1eafn<\/td><td>t\u1ed1c \u0111\u1ed9; s\u1ed1 l\u1edbp c\u00f2n tr\u00ean tang v\u00e0 h\u1ec7 s\u1ed1 d\u00f2ng (m\u1ee5c 5.3); m\u00e0i m\u00f2n v\u1ecf \u1edf b\u1ed9 d\u1eabn c\u00e1p; E9 n\u1ebfu tuy\u1ebfn quang d\u00e0i<\/td><\/tr><tr><td>C\u1ea9u gi\u00e0n container (RMG, RTG)<\/td><td>tang tr\u00ean ch\u00e2n c\u1ea9u; u\u1ed1n l\u1eb7p; nhi\u1ec7t<\/td><td>l\u00f5i tang \u2265 20\u00d7D; t\u1ed1c \u0111\u1ed9 tr\u00ean 240 m\/ph\u00fat h\u1ecfi h\u00e3ng; \u0111i\u1ec1u khi\u1ec3n m\u00f4-men tang; h\u1ec7 s\u1ed1 nhi\u1ec7t<\/td><\/tr><tr><td>M\u00e1y d\u1ee1 t\u00e0u, m\u00e1y x\u1ebfp t\u00e0u<\/td><td>tang tr\u00ean th\u00e1p ho\u1eb7c c\u1ea7n; c\u00f3 \u0111o\u1ea1n treo th\u1eb3ng \u0111\u1ee9ng; n\u01b0\u1edbc bi\u1ec3n b\u1eafn<\/td><td>chi\u1ec1u d\u00e0i treo 25 \u2013 57 m \u1edf 20 N\/mm\u00b2 (m\u1ee5c 5.1); l\u1ef1c k\u00e9o gi\u1eef c\u00e1p; v\u1ecf ch\u1ecbu n\u01b0\u1edbc bi\u1ec3n (datasheet n\u00eau), kh\u00f4ng ng\u00e2m<\/td><\/tr><tr><td>C\u1ea9u x\u1eed l\u00fd g\u1ed7<\/td><td>b\u1ee5i, m\u1ea3nh g\u1ed7, va \u0111\u1eadp, m\u00e0i m\u00f2n ngo\u00e0i tr\u1eddi<\/td><td>ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n ISO 4649; \u0111\u1ed9 b\u1ec1n x\u00e9; ki\u1ec3m tra m\u00f2n v\u1ecf \u0111\u1ecbnh k\u1ef3<\/td><\/tr><tr><td>Festoon<\/td><td>Faber n\u00eau h\u1ecd d\u00f9ng cho festoon<sup class=\"ref-n\">[3]<\/sup>; c\u00e1p n\u1eb7ng 5,1 \u2013 11,6 kg\/m<\/td><td>datasheet ch\u1ec9 li\u1ec7t k\u00ea tang; t\u00ednh t\u1ea3i xe \u0111\u1ee1 v\u00e0 kho\u1ea3ng c\u00e1ch; xin x\u00e1c nh\u1eadn b\u1eb1ng v\u0103n b\u1ea3n<\/td><\/tr><tr><td>X\u00edch d\u1eabn c\u00e1p<\/td><td>u\u1ed1n l\u1eb7p m\u1ed9t m\u1eb7t ph\u1eb3ng; \u00d8 58 \u2013 85 mm<\/td><td>datasheet kh\u00f4ng n\u00eau; R x\u00edch \u2265 10\u00d7D (616 \u2013 848 mm); h\u00e3ng x\u00edch v\u00e0 h\u00e3ng c\u00e1p x\u00e1c nh\u1eadn; s\u1ed1 chu k\u1ef3 u\u1ed1n<\/td><\/tr><tr><td>\u0110\u1ed5i h\u01b0\u1edbng ch\u1eef S qua con l\u0103n<\/td><td>u\u1ed1n ng\u01b0\u1ee3c chi\u1ec1u<\/td><td>kho\u1ea3ng c\u00e1ch \u2265 20\u00d7D (1 232 \u2013 1 696 mm); \u0111\u01b0\u1eddng k\u00ednh con l\u0103n \u2265 2R<\/td><\/tr><tr><td>Treo th\u1eb3ng \u0111\u1ee9ng d\u00e0i ho\u1eb7c tang th\u1eb3ng \u0111\u1ee9ng<\/td><td>l\u1ef1c k\u00e9o b\u1ea3n th\u00e2n c\u00e1p<\/td><td>gi\u1edbi h\u1ea1n 25 \u2013 57 m \u1edf 20 N\/mm\u00b2; h\u1ecfi FeiChun v\u1ec1 bi\u1ebfn th\u1ec3 c\u00f3 l\u00f5i \u0111\u1ee1 aramid (K)<\/td><\/tr><tr><td>K\u00e9o l\u00ea tr\u00ean n\u1ec1n, m\u1eb7t m\u1ecf<\/td><td>m\u00e0i m\u00f2n, c\u1eaft, nghi\u1ec1n, xo\u1eafn<\/td><td>kh\u00f4ng ph\u1ea3i m\u1ee5c \u0111\u00edch ch\u00ednh; d\u00f9ng c\u00e1p k\u00e9o l\u00ea v\u1ecf d\u00e0y (Type 240 \/ 275, TENAX-PUR)<\/td><\/tr><tr><td>H\u1ea7m k\u00edn, n\u01a1i \u0111\u00f4ng ng\u01b0\u1eddi<\/td><td>kh\u00f3i v\u00e0 kh\u00ed clo khi ch\u00e1y<\/td><td>PCP ch\u1ee9a clo; n\u1ebfu h\u1ed3 s\u01a1 ph\u00f2ng ch\u00e1y \u0111\u00f2i kh\u00f4ng halogen, y\u00eau c\u1ea7u ph\u01b0\u01a1ng \u00e1n kh\u00e1c<\/td><\/tr><tr><td>M\u00f4i tr\u01b0\u1eddng tr\u00ean +60 \u00b0C ho\u1eb7c d\u01b0\u1edbi \u221235 \u00b0C khi chuy\u1ec3n \u0111\u1ed9ng<\/td><td>n\u00f3ng ho\u1eb7c l\u1ea1nh qu\u00e1 m\u1ee9c<\/td><td>ngo\u00e0i d\u1ea3i c\u1ee7a datasheet; d\u01b0\u1edbi \u221235 \u00b0C x\u00e9t PUR (TENAX-PUR, t\u1edbi \u221250 \u00b0C)<sup class=\"ref-n\">[13]<\/sup><\/td><\/tr><\/tbody><\/table><\/div><div class=\"warn\"><b>Gi\u1edbi h\u1ea1n.<\/b> B\u00e0i ch\u1ec9 tr\u00ecnh b\u00e0y s\u1ed1 li\u1ec7u c\u00f4ng khai v\u00e0 ph\u00e9p t\u00ednh s\u01a1 b\u1ed9; thi\u1ebft k\u1ebf tang, b\u1ed9 d\u1eabn c\u00e1p v\u00e0 ngu\u1ed3n c\u1ea5p cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng trung th\u1ebf c\u1ea7n k\u1ef9 s\u01b0 chuy\u00ean ng\u00e0nh th\u1ef1c hi\u1ec7n, k\u00e8m nghi\u00ean c\u1ee9u h\u1ec7 th\u1ed1ng (d\u00f2ng ng\u1eafn m\u1ea1ch, n\u1ed1i \u0111\u1ea5t, b\u1ea3o v\u1ec7, ph\u1ed1i h\u1ee3p r\u01a1-le). Datasheet kh\u00f4ng c\u00f4ng b\u1ed1 tu\u1ed5i th\u1ecd u\u1ed1n l\u1eb7p, s\u1ed1 v\u00f2ng tang t\u1ed1i \u0111a, b\u1ec1 d\u00e0y v\u1ecf, \u0111i\u1ec7n dung hay \u0111i\u1ec7n kh\u00e1ng: c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y ph\u1ea3i l\u1ea5y t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t c\u00e1p.<\/div><\/section>\n<section id=\"s9\"><h2>9. C\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a FeiChun cho c\u00e1p m\u1ecf ch\u1ecbu k\u00e9o, ch\u1ecbu u\u1ed1n v\u00e0 m\u00e0i m\u00f2n<\/h2><p>FeiChun m\u00f4 t\u1ea3 m\u00ecnh l\u00e0 c\u00f4ng ty k\u1ef9 thu\u1eadt polymer chuy\u00ean hai nh\u00f3m c\u00e1p: c\u00e1p tang cu\u1ed1n m\u1ec1m (BUFLEX-M, h\u1ecd VDE 0250) cho c\u1ea9u c\u1ea3ng STS\/RTG, m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, gi\u00e0n khoan, v\u00e0 c\u00e1p k\u00e9o l\u00ea h\u1ea1ng n\u1eb7ng cho m\u1ecf (Type 240, Type 275 theo AS\/NZS 1802, TENAX-PUR); l\u1ee3i th\u1ebf c\u1ed1t l\u00f5i l\u00e0 t\u1ef1 nghi\u00ean c\u1ee9u v\u00e0 pha ch\u1ebf h\u1ee3p ch\u1ea5t v\u1ecf v\u00e0 c\u00e1ch \u0111i\u1ec7n (PUR, CPE, EPR) t\u1eeb nguy\u00ean li\u1ec7u g\u1ed1c, t\u1eeb c\u1ea5u tr\u00fac ph\u00e2n t\u1eed \u0111\u1ebfn th\u00e0nh ph\u1ea9m<sup class=\"ref-n\">[12]<\/sup>. C\u00e1p tang cu\u1ed1n trung th\u1ebf 15 kV ch\u1ecbu \u0111\u00fang hai \u0111i\u1ec3m y\u1ebfu m\u00e0 FeiChun n\u00eau cho c\u00e1p tang cu\u1ed1n: \u0111\u1ee9t ru\u1ed9t do m\u1ecfi u\u1ed1n v\u00e0 n\u1ee9t, m\u00f2n v\u1ecf do ti\u1ebfp x\u00fac l\u1eb7p l\u1ea1i v\u1edbi b\u1ec1 m\u1eb7t tang<sup class=\"ref-n\">[12]<\/sup>. C\u00e1c n\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00f4ng b\u1ed1 trong c\u00e1c b\u00e0i k\u1ef9 thu\u1eadt c\u1ee7a FeiChun; m\u1ee9c \u00e1p d\u1ee5ng cho t\u1eebng m\u00e3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn trong b\u1ea3n v\u1ebd c\u1ea5u t\u1ea1o.<\/p><h3>9.1 T\u1ef1 pha ch\u1ebf h\u1ee3p ch\u1ea5t v\u00e0 v\u00f2ng k\u00edn t\u1eeb h\u1ee3p ch\u1ea5t \u0111\u1ebfn c\u00e1p<\/h3><div class=\"formula\"><b>Nh\u00e0 m\u00e1y th\u00f4ng th\u01b0\u1eddng: mua h\u1ea1t h\u1ee3p ch\u1ea5t \u2192 \u0111\u00f9n \u2192 xu\u1ea5t x\u01b0\u1edfng | FeiChun: pha ch\u1ebf \u2192 th\u1eed t\u00ednh ch\u1ea5t \u2192 \u0111\u00f9n \u2192 th\u1eed hi\u1ec7n tr\u01b0\u1eddng \u2192 ch\u1ec9nh c\u00f4ng th\u1ee9c<\/b><\/div><p>FeiChun cho r\u1eb1ng nh\u00e0 m\u00e1y mua h\u1ee3p ch\u1ea5t \u0111\u00e3 tr\u1ed9n s\u1eb5n ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p c\u01a1 h\u1ecdc nh\u01b0ng kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh ph\u00e2n t\u1eed quy\u1ebft \u0111\u1ecbnh h\u00e0nh vi c\u1ee7a c\u00e1p ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng; khi c\u00e1p h\u1ecfng, nh\u00e0 m\u00e1y ch\u1ec9 c\u00f2n ba l\u1ef1a ch\u1ecdn l\u00e0 \u0111\u1ed5i nh\u00e0 cung c\u1ea5p h\u1ee3p ch\u1ea5t, t\u0103ng b\u1ec1 d\u00e0y (n\u1eb7ng, \u0111\u1eaft, c\u1ee9ng h\u01a1n) ho\u1eb7c ch\u1ea5p nh\u1eadn t\u1ef7 l\u1ec7 h\u1ecfng<sup class=\"ref-n\">[12]<\/sup>. Ng\u01b0\u1ee3c l\u1ea1i, ph\u00f2ng th\u00ed nghi\u1ec7m polymer c\u1ee7a FeiChun pha ch\u1ebf t\u1eeb polymer g\u1ed1c, ch\u1ea5t h\u00f3a d\u1ebbo, ch\u1ea5t li\u00ean k\u1ebft ngang, ch\u1ea5t \u0111\u1ed9n kho\u00e1ng, ch\u1ea5t \u1ed5n \u0111\u1ecbnh UV, ph\u1ee5 gia ch\u1ed1ng n\u1ea5m v\u00e0 b\u1ed9t m\u00e0u, n\u00ean khi c\u00f3 s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 quy nguy\u00ean nh\u00e2n v\u1ec1 \u0111\u1eb7c t\u00ednh h\u1ee3p ch\u1ea5t v\u00e0 ch\u1ec9nh c\u00f4ng th\u1ee9c<sup class=\"ref-n\">[12]<\/sup>. Quy tr\u00ecnh kh\u00e9p k\u00edn g\u1ed3m pha tr\u1ed9n, chu\u1ea9n b\u1ecb ru\u1ed9t (k\u00e9o, m\u1ea1 thi\u1ebfc, b\u1ec7n class 5 ho\u1eb7c 6), \u0111\u00f9n c\u00e1ch \u0111i\u1ec7n v\u00e0 v\u1ecf v\u1edbi gi\u00e1m s\u00e1t \u0111\u01b0\u1eddng k\u00ednh b\u1eb1ng laser v\u00e0 \u0111\u1ed9 l\u1ec7ch t\u00e2m, l\u01b0u h\u00f3a li\u00ean t\u1ee5c, l\u1eafp r\u00e1p l\u00f5i tr\u00ean m\u00e1y b\u1ec7n h\u00e0nh tinh, r\u1ed3i th\u1eed t\u1eebng cu\u1ed9n<sup class=\"ref-n\">[12]<\/sup>. V\u1edbi c\u00e1p trung th\u1ebf VDE 0250-813, FeiChun n\u00eau \u0111\u00f9n \u0111\u1ed3ng th\u1eddi ba l\u1edbp (b\u00e1n d\u1eabn trong, c\u00e1ch \u0111i\u1ec7n, b\u00e1n d\u1eabn ngo\u00e0i) \u0111\u1ec3 c\u00e1p kh\u00f4ng c\u00f3 l\u1ed7 kh\u00ed<sup class=\"ref-n\">[13]<\/sup>.<\/p><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:900px\"><caption>\u0110i\u1ec3m ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng FeiChun c\u00f4ng b\u1ed1 (tr\u00edch)<\/caption><thead><tr><th>C\u00f4ng \u0111o\u1ea1n<\/th><th>Ph\u00e9p th\u1eed<\/th><th>Ti\u00eau ch\u00ed<\/th><\/tr><\/thead><tbody><tr><td>H\u1ee3p ch\u1ea5t<\/td><td>\u0111\u1ed9 nh\u1edbt Mooney (ASTM D1646)<\/td><td>trong \u00b15 % so v\u1edbi m\u1ee5c ti\u00eau c\u00f4ng th\u1ee9c<\/td><\/tr><tr><td>H\u1ee3p ch\u1ea5t v\u1ecf CPE<\/td><td>h\u00fat n\u01b0\u1edbc (IEC 60811-402)<\/td><td>d\u01b0\u1edbi 0,5 % kh\u1ed1i l\u01b0\u1ee3ng (28 ng\u00e0y, 70 \u00b0C)<\/td><\/tr><tr><td>H\u1ee3p ch\u1ea5t<\/td><td>\u0111\u1ed9 b\u1ec1n k\u00e9o, gi\u00e3n d\u00e0i (IEC 60811-501)<\/td><td>theo b\u1ea3ng \u0111\u1eb7c t\u00ednh c\u1ee7a h\u1ee3p ch\u1ea5t<\/td><\/tr><tr><td>Ru\u1ed9t<\/td><td>\u0111\u1ed9 d\u00e0y l\u1edbp thi\u1ebfc (XRF); \u0111i\u1ec7n tr\u1edf m\u1ed9t chi\u1ec1u 20 \u00b0C (IEC 60228)<\/td><td>thi\u1ebfc 5 \u2013 10 \u00b5m; trong gi\u1edbi h\u1ea1n class 5<\/td><\/tr><tr><td>C\u00e1ch \u0111i\u1ec7n<\/td><td>hot set (IEC 60811-507); \u0111i\u1ec7n m\u00f4i sau ng\u00e2m n\u01b0\u1edbc<\/td><td>gi\u00e3n d\u00e0i \u2264 175 %, bi\u1ebfn d\u1ea1ng d\u01b0 \u2264 15 %; tr\u00ean 90 % sau 1 000 h \u1edf 90 \u00b0C (EPR ch\u1ed1ng th\u1ee7y ph\u00e2n)<\/td><\/tr><tr><td>\u0110\u00f9n<\/td><td>b\u1ec1 d\u00e0y v\u00e0 \u0111\u1ed9 l\u1ec7ch t\u00e2m<\/td><td>trong min\/max; \u0111\u1ed9 l\u1ec7ch t\u00e2m \u2264 10 %<\/td><\/tr><tr><td>Th\u00e0nh ph\u1ea9m<\/td><td>th\u1eed \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u t\u1eebng cu\u1ed9n; \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n<\/td><td>theo IEC 60502 ho\u1eb7c ti\u00eau chu\u1ea9n h\u1ee3p \u0111\u1ed3ng; tr\u00ean 500 M\u03a9\u00b7km \u1edf 20 \u00b0C<\/td><\/tr><tr><td>H\u1ed3 s\u01a1<\/td><td>truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/td><td>cu\u1ed9n \u2192 l\u00f4 h\u1ee3p ch\u1ea5t \u2192 l\u00f4 ru\u1ed9t \u2192 bi\u00ean b\u1ea3n th\u1eed<\/td><\/tr><\/tbody><\/table><\/div><p class=\"small\">Ngu\u1ed3n: b\u1ea3ng \u0111i\u1ec3m ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong b\u00e0i gi\u1edbi thi\u1ec7u FeiChun<sup class=\"ref-n\">[12]<\/sup>. Kh\u00f4ng c\u00f3 s\u1ed1 li\u1ec7u ri\u00eang cho m\u00e3 LWL 15 kV AWG.<\/p><h3>9.2 N\u0103m b\u00e0i to\u00e1n c\u1ee7a c\u00e1p tang cu\u1ed1n trung th\u1ebf v\u00e0 l\u1eddi gi\u1ea3i FeiChun c\u00f4ng b\u1ed1<\/h3><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1450px\"><caption>B\u00e0i to\u00e1n \u2192 c\u01a1 ch\u1ebf h\u1ecfng \u2192 thi\u1ebft k\u1ebf FeiChun \u2192 s\u1ed1 li\u1ec7u FeiChun n\u00eau \u2192 c\u1ea7n x\u00e1c minh<\/caption><thead><tr><th>B\u00e0i to\u00e1n<\/th><th>C\u01a1 ch\u1ebf h\u1ecfng<\/th><th>L\u1eddi gi\u1ea3i FeiChun c\u00f4ng b\u1ed1<\/th><th>S\u1ed1 li\u1ec7u \u0111i k\u00e8m (do FeiChun n\u00eau)<\/th><th>C\u1ea7n x\u00e1c minh<\/th><\/tr><\/thead><tbody><tr><td>M\u1ecfi u\u1ed1n ru\u1ed9t<\/td><td>u\u1ed1n l\u1eb7p quanh tang; t\u1eadp trung \u1ee9ng su\u1ea5t \u1edf l\u1edbp s\u1ee3i ngo\u00e0i<\/td><td>ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc class 5 (class 6 khi y\u00eau c\u1ea7u), b\u01b0\u1edbc b\u1ec7n ng\u1eafn, ru\u1ed9t s\u1ee3i m\u1ea3nh<sup class=\"ref-n\">[12]<\/sup><sup class=\"ref-n\">[13]<\/sup><\/td><td>BUFLEX-M: b\u00e1n k\u00ednh 6\u00d7D c\u1ed1 \u0111\u1ecbnh, 8\u00d7D chuy\u1ec3n \u0111\u1ed9ng; tr\u00ean 1 tri\u1ec7u chu k\u1ef3 \u1edf b\u00e1n k\u00ednh danh \u0111\u1ecbnh<sup class=\"ref-n\">[13]<\/sup><\/td><td>s\u1ed1 chu k\u1ef3 th\u1eed theo R, t\u1ed1c \u0111\u1ed9 v\u00e0 ti\u00eau ch\u00ed \u0111\u1ea1t<\/td><\/tr><tr><td>K\u00e9o v\u00e0 xo\u1eafn<\/td><td>Z-kink (c\u00e1p xo\u1eafn l\u00f2 xo); ru\u1ed9t ch\u1ecbu k\u00e9o tr\u1ef1c ti\u1ebfp<\/td><td>ph\u1ea7n t\u1eed aramid (Kevlar) \u1edf t\u00e2m cho bi\u1ebfn th\u1ec3 K; b\u1ec7n l\u00f5i ch\u00e9o xo\u1eafn xen k\u1ebd tr\u00e1i \u2013 ph\u1ea3i; b\u1ec7n polyester; b\u01b0\u1edbc xo\u1eafn ng\u1eafn; b\u1ec7n t\u1ed5ng h\u1ee3p ch\u1ed1ng xo\u1eafn do FeiChun thi\u1ebft k\u1ebf<sup class=\"ref-n\">[13]<\/sup><\/td><td>c\u00e1p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng PROTOLON(SMK) 6\/10 kV 3\u00d725: k\u00e9o 20 t\u0129nh \/ 30 \u0111\u1ed9ng N\/mm\u00b2, xo\u1eafn \u00b125 \u00b0\/m<sup class=\"ref-n\">[16]<\/sup><\/td><td>b\u1ea3ng d\u1eef li\u1ec7u v\u00e0 bi\u00ean b\u1ea3n th\u1eed xo\u1eafn theo \u0111\u00fang m\u00e3; c\u00f3 aramid hay kh\u00f4ng<\/td><\/tr><tr><td>M\u00e0i m\u00f2n v\u00e0 x\u00e9 v\u1ecf<\/td><td>c\u1ea1nh tang, con l\u0103n, b\u1ed9 d\u1eabn c\u00e1p, n\u1ec1n<\/td><td>v\u1ecf CR 5GM5 theo VDE ho\u1eb7c PUR polyether, CPE t\u1ef1 pha ch\u1ebf<sup class=\"ref-n\">[12]<\/sup><sup class=\"ref-n\">[13]<\/sup><\/td><td>5GM5: k\u00e9o \u2265 15 N\/mm\u00b2; x\u00e9 \u2265 30 N\/mm<sup class=\"ref-n\">[13]<\/sup>; PUR polyether h\u00fat \u1ea9m d\u01b0\u1edbi 0,8 %<sup class=\"ref-n\">[12]<\/sup><\/td><td>ch\u1ec9 s\u1ed1 ISO 4649, \u0111\u1ed9 b\u1ec1n x\u00e9, gi\u00e3n d\u00e0i c\u1ee7a \u0111\u00fang v\u1ecf s\u1ebd giao<\/td><\/tr><tr><td>\u1ea8m n\u00f3ng, th\u1ee7y ph\u00e2n, \u0103n m\u00f2n<\/td><td>th\u1ee7y ph\u00e2n EPR v\u00e0 PUR polyester; c\u00e2y n\u01b0\u1edbc; oxy h\u00f3a ru\u1ed9t tr\u1ea7n; n\u01b0\u1edbc \u0111i d\u1ecdc c\u00e1p<\/td><td>EPR li\u00ean k\u1ebft ngang silane thay peroxide; ru\u1ed9t m\u1ea1 thi\u1ebfc to\u00e0n b\u1ed9; s\u1ee3i tr\u01b0\u01a1ng n\u1edf ch\u1eb7n n\u01b0\u1edbc; CPE h\u00fat \u1ea9m th\u1ea5p, ch\u1ed1ng n\u1ea5m<sup class=\"ref-n\">[12]<\/sup><\/td><td>EPR gi\u1eef tr\u00ean 90 % \u0111i\u1ec7n m\u00f4i sau 1 000 h ng\u00e2m n\u01b0\u1edbc 90 \u00b0C, so v\u1edbi 60 \u2013 70 % c\u1ee7a EPR peroxide<sup class=\"ref-n\">[12]<\/sup><\/td><td>bi\u00ean b\u1ea3n th\u1eed th\u1ee7y ph\u00e2n c\u1ee7a \u0111\u00fang m\u00e3; ki\u1ec3u li\u00ean k\u1ebft ngang<\/td><\/tr><tr><td>Trung th\u1ebf: PD v\u00e0 \u0111\u1ea7u c\u00e1p<\/td><td>l\u1ed7 kh\u00ed \u1edf m\u1eb7t ph\u00e2n c\u00e1ch; b\u00f3c l\u00e0m x\u01b0\u1edbc<\/td><td>\u0111\u00f9n \u0111\u1ed3ng th\u1eddi b\u00e1n d\u1eabn trong \u2013 EPR \u2013 b\u00e1n d\u1eabn ngo\u00e0i; \u0111o \u00d8 b\u1eb1ng laser; \u0111\u1ed9 l\u1ec7ch t\u00e2m \u2264 10 %; l\u01b0u h\u00f3a li\u00ean t\u1ee5c<sup class=\"ref-n\">[12]<\/sup><sup class=\"ref-n\">[13]<\/sup><\/td><td>th\u1eed \u0111i\u1ec7n \u00e1p t\u1eebng cu\u1ed9n; \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n tr\u00ean 500 M\u03a9\u00b7km (20 \u00b0C)<sup class=\"ref-n\">[12]<\/sup><\/td><td>\u0111o PD (n\u1ebfu h\u1ee3p \u0111\u1ed3ng \u0111\u00f2i); l\u1ef1c b\u00f3c l\u1edbp ngo\u00e0i<\/td><\/tr><\/tbody><\/table><\/div><h3>9.3 Ba h\u01b0\u1edbng thi\u1ebft k\u1ebf: tang cu\u1ed1n trung th\u1ebf, BUFLEX-M v\u1ecf PUR v\u00e0 c\u00e1p k\u00e9o l\u00ea v\u1ecf CPE<\/h3><div class=\"svg\"><svg viewBox=\"0 0 1300 690\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"S\u01a1 \u0111\u1ed3 m\u1eb7t c\u1eaft ba h\u1ecd c\u00e1p FeiChun: c\u00e1p tang cu\u1ed1n trung th\u1ebf (N)TSKCGEW\u00d6U, BUFLEX-M v\u1ecf PUR v\u00e0 Type 275 k\u00e9o l\u00ea v\u1ecf CPE\"><defs>\n<pattern id=\"cuH\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tinH\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gyH\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"peH\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"arH\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbH\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"plH\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hatH\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"1300\" height=\"690\" fill=\"#0e1a1e\"><\/rect><text x=\"30\" y=\"32\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\" >Ba h\u01b0\u1edbng thi\u1ebft k\u1ebf c\u00e1p ch\u1ecbu u\u1ed1n, k\u00e9o v\u00e0 m\u00e0i m\u00f2n c\u1ee7a FeiChun (s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd theo m\u00f4 t\u1ea3 c\u00f4ng b\u1ed1)<\/text><text x=\"220\" y=\"62\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#e8c37b\" font-weight=\"bold\" >A. C\u00e1p tang cu\u1ed1n trung th\u1ebf (N)TSKCGEW\u00d6U<\/text><circle cx=\"220.0\" cy=\"215.0\" r=\"140.0\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\" ><\/circle><circle cx=\"220.0\" cy=\"215.0\" r=\"116.0\" fill=\"none\" stroke=\"url(#plH)\" stroke-width=\"5\" ><\/circle><circle cx=\"220.0\" cy=\"215.0\" r=\"113.0\" fill=\"#4a4f56\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"220.0\" cy=\"149.0\" r=\"41.0\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"220.0\" cy=\"149.0\" r=\"38.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"220.0\" cy=\"149.0\" r=\"20.0\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"220.0\" cy=\"149.0\" r=\"18.0\" fill=\"url(#cuH)\" stroke=\"#cfd8dc\" stroke-width=\"1.2\" ><\/circle><circle cx=\"259.0\" cy=\"134.8\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"243.8\" cy=\"115.0\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"220.0\" cy=\"107.5\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"196.2\" cy=\"115.0\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"181.0\" cy=\"134.8\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"162.8\" cy=\"248.0\" r=\"41.0\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"162.8\" cy=\"248.0\" r=\"38.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"162.8\" cy=\"248.0\" r=\"20.0\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"162.8\" cy=\"248.0\" r=\"18.0\" fill=\"url(#cuH)\" stroke=\"#cfd8dc\" stroke-width=\"1.2\" ><\/circle><circle cx=\"131.1\" cy=\"221.3\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"121.5\" cy=\"244.4\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"126.9\" cy=\"268.8\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"145.3\" cy=\"285.6\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"170.0\" cy=\"288.9\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"277.2\" cy=\"248.0\" r=\"41.0\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"277.2\" cy=\"248.0\" r=\"38.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"277.2\" cy=\"248.0\" r=\"20.0\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.8\" ><\/circle><circle cx=\"277.2\" cy=\"248.0\" r=\"18.0\" fill=\"url(#cuH)\" stroke=\"#cfd8dc\" stroke-width=\"1.2\" ><\/circle><circle cx=\"270.0\" cy=\"288.9\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"294.7\" cy=\"285.6\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"313.1\" cy=\"268.8\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"318.5\" cy=\"244.4\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"308.9\" cy=\"221.3\" r=\"3.3\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"0.5\" ><\/circle><circle cx=\"220.0\" cy=\"215.0\" r=\"23.0\" fill=\"url(#arH)\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"302.3\" cy=\"167.5\" r=\"10.0\" fill=\"#f2d13a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"302.3\" cy=\"167.5\" r=\"4.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"0.6\" ><\/circle><circle cx=\"137.7\" cy=\"167.5\" r=\"13.0\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"144.7\" cy=\"167.5\" r=\"3.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.4\" ><\/circle><circle cx=\"141.2\" cy=\"161.4\" r=\"3.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.4\" ><\/circle><circle cx=\"134.2\" cy=\"161.4\" r=\"3.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.4\" ><\/circle><circle cx=\"130.7\" cy=\"167.5\" r=\"3.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.4\" ><\/circle><circle cx=\"134.2\" cy=\"173.6\" r=\"3.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.4\" ><\/circle><circle cx=\"141.2\" cy=\"173.6\" r=\"3.6\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"0.4\" ><\/circle><circle cx=\"220.0\" cy=\"310.0\" r=\"10.0\" fill=\"#3b4046\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"220.0\" cy=\"215.0\" r=\"9.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"220\" y=\"220\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >1<\/text><circle cx=\"220.0\" cy=\"123.0\" r=\"9.5\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"220\" y=\"128\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >2<\/text><circle cx=\"287.2\" cy=\"282.0\" r=\"9.5\" fill=\"#ffb454\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"287.158\" y=\"287\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >3<\/text><circle cx=\"315.2\" cy=\"240.0\" r=\"9.5\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"315.158\" y=\"245\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >4<\/text><circle cx=\"137.7\" cy=\"167.5\" r=\"9.5\" fill=\"#c98aff\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"137.728\" y=\"172.5\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >5<\/text><circle cx=\"93.0\" cy=\"219.0\" r=\"9.5\" fill=\"#e9e4d6\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"93\" y=\"224\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >6<\/text><text x=\"650\" y=\"62\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#e8c37b\" font-weight=\"bold\" >B. BUFLEX-M: tang cu\u1ed1n, festoon, v\u1ecf PUR<\/text><circle cx=\"650.0\" cy=\"215.0\" r=\"140.0\" fill=\"#d98d1c\" stroke=\"#0a1014\" stroke-width=\"3\" ><\/circle><circle cx=\"650.0\" cy=\"215.0\" r=\"120.0\" fill=\"none\" stroke=\"#e9e4d6\" stroke-width=\"7\" stroke-dasharray=\"12 4\"><\/circle><circle cx=\"650.0\" cy=\"215.0\" r=\"114.0\" fill=\"#3a3f45\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"650.0\" cy=\"215.0\" r=\"24.0\" fill=\"url(#arH)\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"650.0\" cy=\"149.0\" r=\"37.0\" fill=\"#e6dcc3\" stroke=\"#0a1014\" stroke-width=\"1.5\" ><\/circle><circle cx=\"650.0\" cy=\"149.0\" r=\"22.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1.2\" ><\/circle><circle cx=\"592.8\" cy=\"248.0\" r=\"37.0\" fill=\"#e6dcc3\" stroke=\"#0a1014\" stroke-width=\"1.5\" ><\/circle><circle cx=\"592.8\" cy=\"248.0\" r=\"22.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1.2\" ><\/circle><circle cx=\"707.2\" cy=\"248.0\" r=\"37.0\" fill=\"#e6dcc3\" stroke=\"#0a1014\" stroke-width=\"1.5\" ><\/circle><circle cx=\"707.2\" cy=\"248.0\" r=\"22.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1.2\" ><\/circle><circle cx=\"734.9\" cy=\"166.0\" r=\"16.0\" fill=\"url(#gyH)\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"734.9\" cy=\"166.0\" r=\"9.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"565.1\" cy=\"166.0\" r=\"16.0\" fill=\"url(#gyH)\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"565.1\" cy=\"166.0\" r=\"9.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"650.0\" cy=\"313.0\" r=\"16.0\" fill=\"url(#gyH)\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"650.0\" cy=\"313.0\" r=\"9.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"650.0\" cy=\"215.0\" r=\"9.5\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"650\" y=\"220\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >1<\/text><circle cx=\"650.0\" cy=\"149.0\" r=\"9.5\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"650\" y=\"154\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >2<\/text><circle cx=\"734.9\" cy=\"166.0\" r=\"9.5\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"734.87\" y=\"171\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >3<\/text><circle cx=\"523.0\" cy=\"219.0\" r=\"9.5\" fill=\"#e9e4d6\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"523\" y=\"224\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >4<\/text><circle cx=\"779.0\" cy=\"275.0\" r=\"9.5\" fill=\"#ffb454\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"779\" y=\"280\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >5<\/text><text x=\"1080\" y=\"62\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#e8c37b\" font-weight=\"bold\" >C. Type 275 \/ 240: k\u00e9o l\u00ea m\u1ecf, v\u1ecf CPE d\u00e0y<\/text><circle cx=\"1080.0\" cy=\"215.0\" r=\"140.0\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\" ><\/circle><circle cx=\"1080.0\" cy=\"215.0\" r=\"118.0\" fill=\"none\" stroke=\"#e9e4d6\" stroke-width=\"5\" stroke-dasharray=\"3 3\"><\/circle><circle cx=\"1080.0\" cy=\"215.0\" r=\"113.0\" fill=\"#3f454c\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"1080.0\" cy=\"215.0\" r=\"100.0\" fill=\"url(#wbH)\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><circle cx=\"1080.0\" cy=\"215.0\" r=\"12.0\" fill=\"#c9c2ae\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"1080.0\" cy=\"215.0\" r=\"6.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"1080.0\" cy=\"153.0\" r=\"34.0\" fill=\"none\" stroke=\"url(#tinH)\" stroke-width=\"10\" ><\/circle><circle cx=\"1080.0\" cy=\"153.0\" r=\"30.0\" fill=\"#e6dcc3\" stroke=\"#0a1014\" stroke-width=\"1.4\" ><\/circle><circle cx=\"1080.0\" cy=\"153.0\" r=\"17.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"1026.3\" cy=\"246.0\" r=\"34.0\" fill=\"none\" stroke=\"url(#tinH)\" stroke-width=\"10\" ><\/circle><circle cx=\"1026.3\" cy=\"246.0\" r=\"30.0\" fill=\"#e6dcc3\" stroke=\"#0a1014\" stroke-width=\"1.4\" ><\/circle><circle cx=\"1026.3\" cy=\"246.0\" r=\"17.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"1133.7\" cy=\"246.0\" r=\"34.0\" fill=\"none\" stroke=\"url(#tinH)\" stroke-width=\"10\" ><\/circle><circle cx=\"1133.7\" cy=\"246.0\" r=\"30.0\" fill=\"#e6dcc3\" stroke=\"#0a1014\" stroke-width=\"1.4\" ><\/circle><circle cx=\"1133.7\" cy=\"246.0\" r=\"17.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"1159.7\" cy=\"169.0\" r=\"13.0\" fill=\"url(#gyH)\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"1159.7\" cy=\"169.0\" r=\"7.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"1000.3\" cy=\"169.0\" r=\"13.0\" fill=\"url(#gyH)\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"1000.3\" cy=\"169.0\" r=\"7.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"1080.0\" cy=\"307.0\" r=\"13.0\" fill=\"url(#gyH)\" stroke=\"#0a1014\" stroke-width=\"1.2\" ><\/circle><circle cx=\"1080.0\" cy=\"307.0\" r=\"7.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\" ><\/circle><circle cx=\"1080.0\" cy=\"215.0\" r=\"9.5\" fill=\"#c98aff\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"1080\" y=\"220\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >1<\/text><circle cx=\"1080.0\" cy=\"153.0\" r=\"9.5\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"1080\" y=\"158\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >2<\/text><circle cx=\"992.3\" cy=\"246.0\" r=\"9.5\" fill=\"#cfd8dc\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"992.306\" y=\"251\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >3<\/text><circle cx=\"1159.7\" cy=\"169.0\" r=\"9.5\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"1159.67\" y=\"174\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >4<\/text><circle cx=\"1140.0\" cy=\"275.0\" r=\"9.5\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"1140\" y=\"280\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >5<\/text><circle cx=\"1209.0\" cy=\"153.0\" r=\"9.5\" fill=\"#ff9f5a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"1209\" y=\"158\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >6<\/text><circle cx=\"40.0\" cy=\"394.0\" r=\"10.0\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"40\" y=\"399\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >1<\/text><text x=\"58\" y=\"397\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >Ph\u1ea7n t\u1eed \u0111\u1ee1 aramid \u1edf t\u00e2m (bi\u1ebfn th\u1ec3 K)<\/text><text x=\"58\" y=\"413\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >nh\u1eadn l\u1ef1c k\u00e9o c\u1ee7a tang, kh\u00f4ng \u0111\u1ec3 d\u1ed3n l\u00ean ru\u1ed9t<\/text><circle cx=\"40.0\" cy=\"434.0\" r=\"10.0\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"40\" y=\"439\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >2<\/text><text x=\"58\" y=\"437\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >Ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc, b\u01b0\u1edbc b\u1ec7n ng\u1eafn<\/text><text x=\"58\" y=\"453\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >h\u1ea1n ch\u1ebf m\u1ecfi u\u1ed1n; tinning ch\u1ed1ng oxy h\u00f3a<\/text><circle cx=\"40.0\" cy=\"474.0\" r=\"10.0\" fill=\"#ffb454\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"40\" y=\"479\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >3<\/text><text x=\"58\" y=\"477\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >B\u00e1n d\u1eabn trong + EPR 3GI3 + b\u00e1n d\u1eabn ngo\u00e0i<\/text><text x=\"58\" y=\"493\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0111\u00f9n ba l\u1edbp m\u1ed9t l\u1ea7n, tr\u00e1nh l\u1ed7 kh\u00ed (VDE 0250-813)<\/text><circle cx=\"40.0\" cy=\"514.0\" r=\"10.0\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"40\" y=\"519\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >4<\/text><text x=\"58\" y=\"517\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >D\u00e2y n\u1ed1i \u0111\u1ea5t GE qu\u1ea5n ngo\u00e0i t\u1eebng l\u00f5i<\/text><text x=\"58\" y=\"533\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >\u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea1m \u0111\u1ea5t, theo nh\u00f3m VDE 0250<\/text><circle cx=\"40.0\" cy=\"554.0\" r=\"10.0\" fill=\"#c98aff\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"40\" y=\"559\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >5<\/text><text x=\"58\" y=\"557\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >L\u00f5i d\u1eabn h\u01b0\u1edbng v\u00e0 ph\u1ea7n t\u1eed quang (LWL)<\/text><text x=\"58\" y=\"573\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >t\u00f9y ch\u1ecdn; s\u1ee3i quang b\u1ea3o v\u1ec7 trong c\u00f9ng c\u00e1p<\/text><circle cx=\"40.0\" cy=\"594.0\" r=\"10.0\" fill=\"#e9e4d6\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"40\" y=\"599\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >6<\/text><text x=\"58\" y=\"597\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >B\u1ec7n polyester + v\u1ecf 5GM3 \/ 5GM5 ho\u1eb7c PUR<\/text><text x=\"58\" y=\"613\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >ch\u1ed1ng xo\u1eafn, m\u00e0i m\u00f2n, d\u1ea7u, UV, n\u01b0\u1edbc bi\u1ec3n<\/text><circle cx=\"470.0\" cy=\"394.0\" r=\"10.0\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"470\" y=\"399\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >1<\/text><text x=\"488\" y=\"397\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >Aramid (Kevlar) \u1edf t\u00e2m<\/text><text x=\"488\" y=\"413\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >h\u1ea5p th\u1ee5 l\u1ef1c k\u00e9o c\u1ee7a tang<\/text><circle cx=\"470.0\" cy=\"434.0\" r=\"10.0\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"470\" y=\"439\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >2<\/text><text x=\"488\" y=\"437\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >Ru\u1ed9t m\u1ea1 thi\u1ebfc class 5, b\u01b0\u1edbc b\u1ec7n ng\u1eafn<\/text><text x=\"488\" y=\"453\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >c\u00e1ch \u0111i\u1ec7n EPR ho\u1eb7c XLPE t\u00f9y c\u1ea5p \u0111i\u1ec7n \u00e1p<\/text><circle cx=\"470.0\" cy=\"474.0\" r=\"10.0\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"470\" y=\"479\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >3<\/text><text x=\"488\" y=\"477\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >D\u00e2y \u0111\u1ea5t ti\u1ebft di\u1ec7n nh\u1ecf, m\u1ea1 thi\u1ebfc<\/text><text x=\"488\" y=\"493\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >c\u1ea5u h\u00ecnh \u0111i\u1ec3n h\u00ecnh 3\u00d7120+3G25+2\u00d71\u00d71,5<\/text><circle cx=\"470.0\" cy=\"514.0\" r=\"10.0\" fill=\"#e9e4d6\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"470\" y=\"519\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >4<\/text><text x=\"488\" y=\"517\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >B\u1ec7n t\u1ed5ng h\u1ee3p ch\u1ed1ng xo\u1eafn<\/text><text x=\"488\" y=\"533\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >FeiChun thi\u1ebft k\u1ebf kh\u1edbp h\u00ecnh h\u1ecdc b\u01b0\u1edbc xo\u1eafn<\/text><circle cx=\"470.0\" cy=\"554.0\" r=\"10.0\" fill=\"#ffb454\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"470\" y=\"559\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >5<\/text><text x=\"488\" y=\"557\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >V\u1ecf PUR polyether, d\u00e0y 2,5 \u2013 3,8 mm<\/text><text x=\"488\" y=\"573\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >h\u00fat \u1ea9m d\u01b0\u1edbi 0,8 %; \u221240 \u2026 +80 \u00b0C<\/text><circle cx=\"900.0\" cy=\"394.0\" r=\"10.0\" fill=\"#c98aff\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"900\" y=\"399\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >1<\/text><text x=\"918\" y=\"397\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >L\u00f5i d\u1eabn h\u01b0\u1edbng trung t\u00e2m (Type 275)<\/text><text x=\"918\" y=\"413\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >c\u1eaft t\u00edn hi\u1ec7u khi ru\u1ed9t \u0111\u1ea5t ho\u1eb7c v\u1ecf h\u1ecfng<\/text><circle cx=\"900.0\" cy=\"434.0\" r=\"10.0\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"900\" y=\"439\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >2<\/text><text x=\"918\" y=\"437\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >Ru\u1ed9t m\u1ea1 thi\u1ebfc; EPR ch\u1ed1ng th\u1ee7y ph\u00e2n<\/text><text x=\"918\" y=\"453\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >li\u00ean k\u1ebft ngang silane; > 90 % \u0111i\u1ec7n m\u00f4i sau 1 000 h<\/text><circle cx=\"900.0\" cy=\"474.0\" r=\"10.0\" fill=\"#cfd8dc\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"900\" y=\"479\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >3<\/text><text x=\"918\" y=\"477\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >M\u00e0n ch\u1eafn composite \u0111\u1ed3ng \u2013 polyester<\/text><text x=\"918\" y=\"493\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >quanh m\u1ed7i l\u00f5i pha (Type 240)<\/text><circle cx=\"900.0\" cy=\"514.0\" r=\"10.0\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"900\" y=\"519\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >4<\/text><text x=\"918\" y=\"517\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >Ba ru\u1ed9t \u0111\u1ea5t xanh \u2013 v\u00e0ng<\/text><text x=\"918\" y=\"533\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >Type 275 theo AS\/NZS 1802<\/text><circle cx=\"900.0\" cy=\"554.0\" r=\"10.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"900\" y=\"559\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >5<\/text><text x=\"918\" y=\"557\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >S\u1ee3i tr\u01b0\u01a1ng n\u1edf ch\u1eb7n n\u01b0\u1edbc gi\u1eefa c\u00e1c l\u00f5i<\/text><text x=\"918\" y=\"573\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >gi\u1edbi h\u1ea1n n\u01b0\u1edbc lan d\u1ecdc c\u00e1p khi v\u1ecf th\u1ee7ng<\/text><circle cx=\"900.0\" cy=\"594.0\" r=\"10.0\" fill=\"#ff9f5a\" stroke=\"#0a1014\" stroke-width=\"1\" ><\/circle><text x=\"900\" y=\"599\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\" >6<\/text><text x=\"918\" y=\"597\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"bold\" >V\u1ecf CPE d\u00e0y, h\u00fat \u1ea9m d\u01b0\u1edbi 0,5 %<\/text><text x=\"918\" y=\"613\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\" >ch\u1ecbu axit t\u1edbi pH 2,5; ph\u1ee5 gia ch\u1ed1ng n\u1ea5m<\/text><text x=\"30\" y=\"676\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >Minh h\u1ecda nguy\u00ean l\u00fd theo m\u00f4 t\u1ea3 c\u1ee7a FeiChun [12][13]; s\u1ed1 l\u00f5i, k\u00edch th\u01b0\u1edbc, b\u1ec1 d\u00e0y t\u1eebng l\u1edbp v\u00e0 b\u01b0\u1edbc b\u1ec7n th\u1eadt theo b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a FeiChun cho \u0111\u00fang m\u00e3; kh\u00f4ng theo t\u1ef7 l\u1ec7; kh\u00f4ng ph\u1ea3i b\u1ea3n v\u1ebd c\u1ee7a m\u00e3 c\u00e1p c\u1ee5 th\u1ec3<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 6. Ba h\u01b0\u1edbng thi\u1ebft k\u1ebf c\u1ee7a FeiChun cho c\u00e1p ch\u1ecbu u\u1ed1n, k\u00e9o v\u00e0 m\u00e0i m\u00f2n: c\u00e1p tang cu\u1ed1n trung th\u1ebf (N)TSKCGEW\u00d6U (aramid, b\u00e1n d\u1eabn \u0111\u00f9n ba l\u1edbp, d\u00e2y \u0111\u1ea5t GE, b\u1ec7n polyester, v\u1ecf 5GM5 ho\u1eb7c PUR), BUFLEX-M (aramid \u1edf t\u00e2m, b\u1ec7n ch\u1ed1ng xo\u1eafn, v\u1ecf PUR polyether) v\u00e0 Type 275 \/ 240 (l\u00f5i d\u1eabn h\u01b0\u1edbng, m\u00e0n ch\u1eafn composite, s\u1ee3i ch\u1eb7n n\u01b0\u1edbc, v\u1ecf CPE d\u00e0y); minh h\u1ecda nguy\u00ean l\u00fd theo m\u00f4 t\u1ea3 c\u1ee7a FeiChun.<\/div><\/div><p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> Nh\u00ecn ba m\u1eb7t c\u1eaft theo \u0111\u01b0\u1eddng \u0111i c\u1ee7a l\u1ef1c. \u1ede c\u00e1p tang cu\u1ed1n c\u00f3 ph\u1ea7n t\u1eed \u0111\u1ee1 aramid (A) v\u00e0 BUFLEX-M (B), l\u1ef1c k\u00e9o c\u1ee7a tang \u0111i qua aramid v\u00e0 b\u1ec7n ch\u1ed1ng xo\u1eafn thay v\u00ec qua \u0111\u1ed3ng; datasheet 15 kV AWG ch\u1ec9 n\u00eau b\u1ec7n polyester n\u00ean \u0111o\u1ea1n n\u00e0y c\u1ea7n x\u00e1c nh\u1eadn. \u1ede c\u00e1p k\u00e9o l\u00ea Type 275 (C), v\u1ecf CPE d\u00e0y v\u00e0 m\u00e0n ch\u1eafn composite ch\u1ecbu m\u00e0i m\u00f2n n\u1ec1n, c\u00f2n l\u00f5i d\u1eabn h\u01b0\u1edbng gi\u00e3n \u0111\u01b0\u1ee3c \u0111\u1ec3 t\u00edn hi\u1ec7u b\u1ea3o v\u1ec7 c\u1eaft khi v\u1ecf h\u1ecfng; n\u01b0\u1edbc lan d\u1ecdc c\u00e1p b\u1ecb s\u1ee3i tr\u01b0\u01a1ng n\u1edf ch\u1eb7n l\u1ea1i. FeiChun x\u1ebfp m\u1ed7i h\u1ecd v\u00e0o m\u1ed9t ki\u1ec3u chuy\u1ec3n \u0111\u1ed9ng v\u00e0 n\u00f3i r\u00f5 ranh gi\u1edbi: c\u00e1p tang cu\u1ed1n d\u00f9ng khi c\u00f3 tang, c\u00e1p k\u00e9o l\u00ea d\u00f9ng khi c\u00e1p n\u1eb1m tr\u00ean n\u1ec1n v\u00e0 b\u1ecb m\u00e1y k\u00e9o, kh\u00f4ng c\u00f3 \u00ablai\u00bb gi\u1eefa hai lo\u1ea1i<sup class=\"ref-n\">[12]<\/sup>. Quy t\u1eafc n\u00e0y kh\u1edbp v\u1edbi k\u1ebft lu\u1eadn c\u1ee7a m\u1ee5c 7 v\u00e0 8.<\/p><p>Hai thi\u1ebft k\u1ebf kh\u00e1c trong h\u1ecd VDE 0250-813 c\u1ee7a FeiChun \u0111\u00e1ng ch\u00fa \u00fd cho tuy\u1ebfn c\u1ea3ng v\u00e0 m\u1ecf: <b>TENAX-PUR<\/b> 6\/10 kV c\u00f3 v\u1ecf PUR d\u1ebbo t\u1edbi \u221250 \u00b0C (v\u1ecf elastomer 5GM3 \/ 5GM5 c\u1ee9ng d\u01b0\u1edbi kho\u1ea3ng \u221225 \u00b0C theo FeiChun), v\u00e0 bi\u1ebfn th\u1ec3 <b>(N)TMCGEH3S<\/b> c\u00f3 s\u1ee3i LED ch\u1ea1y xo\u1eafn d\u01b0\u1edbi v\u1ecf TPU trong su\u1ed1t \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng nh\u00ecn th\u1ea5y c\u00e1p, nh\u1eb1m gi\u1ea3m tai n\u1ea1n xe t\u1ea3i c\u00e1n c\u00e1p \u1edf m\u1ecf l\u1ed9 thi\u00ean<sup class=\"ref-n\">[13]<\/sup>.<\/p><h3>9.4 V\u1eadt li\u1ec7u v\u1ecf: h\u00fat \u1ea9m, m\u00e0i m\u00f2n v\u00e0 c\u00e1i gi\u00e1 c\u1ee7a polyether<\/h3><div class=\"svg\"><svg viewBox=\"0 0 1100 450\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"H\u00fat \u1ea9m v\u00e0 ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u v\u1ecf c\u00e1p\"><defs>\n<pattern id=\"cuE\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"><\/circle><\/pattern>\n<pattern id=\"tinE\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"><\/rect><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"><\/rect><\/pattern>\n<pattern id=\"gyE\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#2fa84f\"><\/rect><rect width=\"8\" height=\"4\" fill=\"#f2d13a\"><\/rect><\/pattern>\n<pattern id=\"peE\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(-30)\"><rect width=\"6\" height=\"6\" fill=\"#d9d2c0\"><\/rect><rect width=\"6\" height=\"2.4\" fill=\"#8f8a7c\"><\/rect><\/pattern>\n<pattern id=\"arE\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\"><rect width=\"6\" height=\"6\" fill=\"#d4a017\"><\/rect><circle cx=\"3\" cy=\"3\" r=\"2\" fill=\"#f6dc6b\"><\/circle><\/pattern>\n<pattern id=\"wbE\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#2a3b44\"><\/rect><circle cx=\"2.5\" cy=\"2.5\" r=\"1.6\" fill=\"#7fd0e0\"><\/circle><\/pattern>\n<pattern id=\"plE\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"><\/rect><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"><\/rect><\/pattern>\n<pattern id=\"hatE\" width=\"6\" height=\"6\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"6\" height=\"6\" fill=\"#16262c\"><\/rect><rect width=\"6\" height=\"2.5\" fill=\"#3a5a66\"><\/rect><\/pattern>\n<\/defs><rect width=\"1100\" height=\"450\" fill=\"#0e1a1e\"><\/rect><text x=\"20\" y=\"30\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\" >Hai th\u01b0\u1edbc \u0111o v\u1eadt li\u1ec7u v\u1ecf: h\u00fat \u1ea9m (FeiChun c\u00f4ng b\u1ed1) v\u00e0 ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n ISO 4649 (t\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf)<\/text><text x=\"70\" y=\"70\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#e8c37b\" font-weight=\"bold\" >H\u00fat \u1ea9m, c\u1eadn tr\u00ean c\u1ee7a kho\u1ea3ng c\u00f4ng b\u1ed1 (%)<\/text><line x1=\"70.0\" y1=\"330.0\" x2=\"510.0\" y2=\"330.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"62\" y=\"334\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >0<\/text><line x1=\"70.0\" y1=\"282.0\" x2=\"510.0\" y2=\"282.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"62\" y=\"286\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >1<\/text><line x1=\"70.0\" y1=\"234.0\" x2=\"510.0\" y2=\"234.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"62\" y=\"238\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >2<\/text><line x1=\"70.0\" y1=\"186.0\" x2=\"510.0\" y2=\"186.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"62\" y=\"190\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >3<\/text><line x1=\"70.0\" y1=\"138.0\" x2=\"510.0\" y2=\"138.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"62\" y=\"142\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >4<\/text><line x1=\"70.0\" y1=\"90.0\" x2=\"510.0\" y2=\"90.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"62\" y=\"94\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >5<\/text><rect x=\"103.0\" y=\"186.0\" width=\"44.0\" height=\"144.0\" rx=\"2\" fill=\"#e8c37b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"125\" y=\"180\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#e8c37b\" font-weight=\"bold\" >3,0<\/text><text x=\"125\" y=\"352\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >CR 5GM3<\/text><rect x=\"213.0\" y=\"138.0\" width=\"44.0\" height=\"192.0\" rx=\"2\" fill=\"#e8c37b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"235\" y=\"132\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#e8c37b\" font-weight=\"bold\" >4,0<\/text><text x=\"235\" y=\"352\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >PCP (c\u00e1p m\u1ecf)<\/text><rect x=\"323.0\" y=\"291.6\" width=\"44.0\" height=\"38.4\" rx=\"2\" fill=\"#e8c37b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"345\" y=\"285.6\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#e8c37b\" font-weight=\"bold\" >0,8<\/text><text x=\"345\" y=\"352\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >PUR polyether<\/text><rect x=\"433.0\" y=\"306.0\" width=\"44.0\" height=\"24.0\" rx=\"2\" fill=\"#e8c37b\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"455\" y=\"300\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#e8c37b\" font-weight=\"bold\" >0,5<\/text><text x=\"455\" y=\"352\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >CPE nhi\u1ec7t \u0111\u1edbi<\/text><text x=\"620\" y=\"70\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#e8c37b\" font-weight=\"bold\" >Ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n ISO 4649 (s\u1ed1 c\u00e0ng nh\u1ecf c\u00e0ng b\u1ec1n)<\/text><line x1=\"620.0\" y1=\"330.0\" x2=\"1060.0\" y2=\"330.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"612\" y=\"334\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >0<\/text><line x1=\"620.0\" y1=\"270.0\" x2=\"1060.0\" y2=\"270.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"612\" y=\"274\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >20<\/text><line x1=\"620.0\" y1=\"210.0\" x2=\"1060.0\" y2=\"210.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"612\" y=\"214\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >40<\/text><line x1=\"620.0\" y1=\"150.0\" x2=\"1060.0\" y2=\"150.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"612\" y=\"154\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >60<\/text><line x1=\"620.0\" y1=\"90.0\" x2=\"1060.0\" y2=\"90.0\" stroke=\"#2a4650\" stroke-width=\"1\" ><\/line><text x=\"612\" y=\"94\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >80<\/text><rect x=\"653.0\" y=\"285.0\" width=\"44.0\" height=\"45.0\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"675\" y=\"279\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#5fd88a\" font-weight=\"bold\" >15<\/text><text x=\"675\" y=\"352\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >TPU \/ PUR<\/text><rect x=\"763.0\" y=\"162.0\" width=\"44.0\" height=\"168.0\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"785\" y=\"156\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#5fd88a\" font-weight=\"bold\" >56<\/text><text x=\"785\" y=\"352\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >Cao su thi\u00ean nhi\u00ean<\/text><rect x=\"873.0\" y=\"120.0\" width=\"44.0\" height=\"210.0\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"895\" y=\"114\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#5fd88a\" font-weight=\"bold\" >70<\/text><text x=\"895\" y=\"352\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >CPE<\/text><rect x=\"983.0\" y=\"108.0\" width=\"44.0\" height=\"222.0\" rx=\"2\" fill=\"#5fd88a\" stroke=\"none\" stroke-width=\"1\" ><\/rect><text x=\"1005\" y=\"102\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#5fd88a\" font-weight=\"bold\" >74<\/text><text x=\"1005\" y=\"352\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\" >Hypalon (CSM)<\/text><text x=\"70\" y=\"392\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >Tr\u00e1i: FeiChun n\u00eau 5GM3 1,5 \u2013 3 %; PCP 2 \u2013 4 %; PUR polyether d\u01b0\u1edbi 0,8 %; CPE d\u01b0\u1edbi 0,5 % (28 ng\u00e0y, 70 \u00b0C) [12][13]. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed kh\u00e1c nhau; c\u1ea7n bi\u00ean b\u1ea3n theo t\u1eebng m\u00e3.<\/text><text x=\"70\" y=\"412\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >Ph\u1ea3i: gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh trong t\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf US 10,214,645, tr\u00edch qua b\u00e0i FeiChun [16][17]; b\u1ea3ng kh\u00f4ng c\u00f3 CR (neoprene) v\u00e0 kh\u00f4ng ph\u1ea3i s\u1ed1 \u0111o c\u1ee7a FeiChun.<\/text><text x=\"70\" y=\"432\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\" >Hai nh\u00f3m s\u1ed1 li\u1ec7u kh\u00e1c ngu\u1ed3n v\u00e0 kh\u00e1c ph\u01b0\u01a1ng ph\u00e1p: ch\u1ec9 d\u00f9ng \u0111\u1ec3 so c\u1ea5p \u0111\u1ed9, kh\u00f4ng so tr\u1ef1c ti\u1ebfp t\u1eebng v\u1eadt li\u1ec7u.<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 7. H\u00fat \u1ea9m do FeiChun n\u00eau cho c\u00e1c v\u1eadt li\u1ec7u v\u1ecf (tr\u00e1i) v\u00e0 ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n ISO 4649 trong t\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf (ph\u1ea3i): PUR\/TPU th\u1ea5p nh\u1ea5t v\u1ec1 m\u00e0i m\u00f2n, CPE v\u00e0 PUR polyether th\u1ea5p nh\u1ea5t v\u1ec1 h\u00fat \u1ea9m.<\/div><\/div><p>S\u1ed1 li\u1ec7u m\u00e0i m\u00f2n trong t\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf US 10,214,645 (tr\u00edch qua b\u00e0i FeiChun) x\u1ebfp TPU\/PUR b\u1ec1n m\u00e0i m\u00f2n h\u01a1n cao su thi\u00ean nhi\u00ean, CPE v\u00e0 Hypalon, v\u1edbi \u0111\u1ed9 b\u1ec1n x\u00e9 kho\u1ea3ng 21,0 kN\/m c\u1ee7a TPU so v\u1edbi 8,8 kN\/m c\u1ee7a CPE<sup class=\"ref-n\">[16]<\/sup><sup class=\"ref-n\">[17]<\/sup>. Nh\u01b0ng c\u1ea7n c\u00e2n nh\u1eafc th\u00eam hai \u0111i\u1ec3m. <b>Th\u1ee9 nh\u1ea5t<\/b>, polyurethane g\u1ed1c polyester th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o, x\u00e9 v\u00e0 c\u1eaft cao h\u01a1n polyether, nh\u01b0ng kh\u00f4ng n\u00ean d\u00f9ng \u1edf n\u01a1i \u1ea9m ho\u1eb7c c\u00f3 n\u01b0\u1edbc v\u00ec th\u1ee7y ph\u00e2n; polyether b\u1ec1n th\u1ee7y ph\u00e2n v\u00e0 \u0111\u01b0\u1ee3c n\u00eau l\u00e0 \u1ed5n \u0111\u1ecbnh trong n\u01b0\u1edbc n\u00f3ng t\u1edbi kho\u1ea3ng 50 \u00b0C trong th\u1eddi gian d\u00e0i<sup class=\"ref-n\">[11]<\/sup>. T\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf v\u1ec1 polyurethane c\u0169ng ghi polyurethane t\u1eeb polyol polyester k\u00e9m b\u1ec1n th\u1ee7y ph\u00e2n h\u01a1n polyol polyether, c\u00f2n polyether c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u1ec1 c\u01a1 t\u00ednh v\u00e0 ch\u1ecbu d\u1ea7u, dung m\u00f4i<sup class=\"ref-n\">[11]<\/sup>. <b>Th\u1ee9 hai<\/b>, v\u00ec v\u1eady ch\u1ecdn polyether cho c\u1ea3ng nhi\u1ec7t \u0111\u1edbi l\u00e0 \u0111\u00e1nh \u0111\u1ed5i c\u00f3 ch\u1ee7 \u0111\u00edch: \u0111\u01b0\u1ee3c b\u1ec1n th\u1ee7y ph\u00e2n, \u0111\u1ed5i l\u1ea1i ph\u1ea3i d\u00f9ng ph\u1ee5 gia v\u00e0 thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1eef \u0111\u1ed9 b\u1ec1n x\u00e9 v\u00e0 m\u00e0i m\u00f2n. FeiChun n\u00eau b\u1ed5 sung ph\u1ee5 gia ch\u1ed1ng x\u00e9, \u1ed5n \u0111\u1ecbnh UV v\u00e0 gi\u1ea3m ma s\u00e1t b\u1ec1 m\u1eb7t cho PUR g\u1ed1c polyether c\u1ee7a BUFLEX-M<sup class=\"ref-n\">[12]<\/sup>. H\u1ec7 qu\u1ea3 cho ng\u01b0\u1eddi mua: kh\u00f4ng so t\u00ean v\u1eadt li\u1ec7u, m\u00e0 \u0111\u01b0a ch\u1ec9 s\u1ed1 ISO 4649, \u0111\u1ed9 b\u1ec1n x\u00e9, h\u00fat \u1ea9m v\u00e0 lo\u1ea1i polyol c\u1ee7a \u0111\u00fang v\u1ecf s\u1ebd giao v\u00e0o h\u1ee3p \u0111\u1ed3ng.<\/p><h3>9.5 G\u00f3i tropical h\u00f3a, b\u1eb1ng ch\u1ee9ng hi\u1ec7n tr\u01b0\u1eddng v\u00e0 lu\u1eadn \u0111i\u1ec3m h\u1ecdc thu\u1eadt<\/h3><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1000px\"><caption>G\u00f3i tropical h\u00f3a FeiChun (c\u00f4ng b\u1ed1 cho c\u00e1p k\u00e9o l\u00ea Type 275 3,3\/3,3 kV)<\/caption><thead><tr><th>H\u1ea1ng m\u1ee5c<\/th><th>C\u01a1 ch\u1ebf h\u1ecfng nh\u1eafm t\u1edbi<\/th><th>L\u1ee3i \u00edch c\u00f4ng b\u1ed1<\/th><\/tr><\/thead><tbody><tr><td>Ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc to\u00e0n b\u1ed9 l\u00f5i<\/td><td>oxy h\u00f3a \u0111\u1ed3ng trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, c\u00f3 axit<\/td><td>ng\u0103n oxit l\u00e0m t\u0103ng \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac \u1edf \u0111\u1ea7u c\u00e1p<\/td><\/tr><tr><td>EPR ch\u1ed1ng th\u1ee7y ph\u00e2n (li\u00ean k\u1ebft ngang silane)<\/td><td>th\u1ee7y ph\u00e2n l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i<\/td><td>gi\u1eef tr\u00ean 90 % \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i sau 1 000 h ng\u00e2m n\u01b0\u1edbc 90 \u00b0C, so v\u1edbi 60 \u2013 70 % c\u1ee7a EPR li\u00ean k\u1ebft peroxit (s\u1ed1 c\u1ee7a FeiChun)<\/td><\/tr><tr><td>B\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n theo c\u1ea5p 3,3 kV<\/td><td>c\u00e2y n\u01b0\u1edbc ph\u00e1t tri\u1ec3n trong c\u00e1ch \u0111i\u1ec7n<\/td><td>\u0111\u01b0\u1eddng khu\u1ebfch t\u00e1n \u1ea9m d\u00e0i h\u01a1n (FeiChun n\u00eau d\u00e0y h\u01a1n 40 \u2013 50 %)<\/td><\/tr><tr><td>S\u1ee3i tr\u01b0\u01a1ng n\u1edf ch\u1eb7n n\u01b0\u1edbc gi\u1eefa c\u00e1c l\u00f5i<\/td><td>n\u01b0\u1edbc \u0111i d\u1ecdc c\u00e1p qua khe sau khi v\u1ecf th\u1ee7ng<\/td><td>gi\u1edbi h\u1ea1n h\u01b0 h\u1ecfng \u1edf v\u00f9ng g\u1ea7n ch\u1ed7 th\u1ee7ng v\u1ecf<\/td><\/tr><tr><td>V\u1ecf CPE h\u00fat n\u01b0\u1edbc c\u1ef1c th\u1ea5p, c\u00f3 ch\u1ea5t ch\u1ed1ng n\u1ea5m<\/td><td>n\u01b0\u1edbc th\u1ea5m qua v\u1ecf; sinh h\u1ecdc t\u1ea5n c\u00f4ng v\u1ecf<\/td><td>h\u00fat n\u01b0\u1edbc th\u1ea5p h\u01a1n 2 \u2013 4 l\u1ea7n so v\u1edbi PCP ti\u00eau chu\u1ea9n (s\u1ed1 c\u1ee7a FeiChun)<\/td><\/tr><\/tbody><\/table><\/div><div class=\"formula\"><b>V\u1ecf h\u1ecfng \u2192 \u1ea9m x\u00e2m nh\u1eadp \u2192 c\u00e1ch \u0111i\u1ec7n xu\u1ed1ng c\u1ea5p \u2192 ru\u1ed9t \u0103n m\u00f2n \u2192 s\u1ef1 c\u1ed1 \u0111i\u1ec7n: v\u1ecf l\u00e0 qu\u00e2n c\u1edd domino \u0111\u1ea7u ti\u00ean<\/b><\/div><p><b>B\u1eb1ng ch\u1ee9ng hi\u1ec7n tr\u01b0\u1eddng (s\u1ed1 li\u1ec7u do FeiChun c\u00f4ng b\u1ed1).<\/b> T\u1ea1i m\u1ecf v\u00e0ng Lihir (Papua New Guinea), c\u00e1p Type 275 ti\u00eau chu\u1ea9n m\u1ea5t c\u00e1ch \u0111i\u1ec7n t\u1eeb tr\u00ean 100 M\u03a9\u00b7km xu\u1ed1ng 2 M\u03a9\u00b7km sau 14 th\u00e1ng; c\u00e1p tropical h\u00f3a c\u00f9ng c\u1ee1 3\u00d750 mm\u00b2 gi\u1eef tr\u00ean 100 M\u03a9\u00b7km sau 36 th\u00e1ng, c\u00f9ng m\u1ecf, c\u00f9ng khu v\u1ef1c, c\u00f9ng \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh<sup class=\"ref-n\">[12]<\/sup>. T\u1ea1i Kalimantan, FeiChun n\u00eau tu\u1ed5i th\u1ecd t\u0103ng t\u1eeb 6 \u2013 18 th\u00e1ng (v\u1ecf PCP ti\u00eau chu\u1ea9n) l\u00ean 24 \u2013 48 th\u00e1ng (CPE tropical h\u00f3a)<sup class=\"ref-n\">[12]<\/sup>. Ph\u00e2n t\u00edch t\u1ed5ng chi ph\u00ed c\u1ee7a FeiChun cho 5 000 m c\u00e1p Type 275 3\u00d750 mm\u00b2: c\u00e1p tropical h\u00f3a \u0111\u1eaft h\u01a1n kho\u1ea3ng 17 % khi mua (kho\u1ea3ng 105 000 so v\u1edbi 90 000 USD) nh\u01b0ng t\u1ed5ng chi ph\u00ed 36 th\u00e1ng kho\u1ea3ng 105 000 USD so v\u1edbi 290 000 \u2013 310 000 USD khi ph\u1ea3i thay hai l\u1ea7n<sup class=\"ref-n\">[12]<\/sup>. <b>Ph\u1ea1m vi:<\/b> \u0111\u00e2y l\u00e0 c\u00e1p AS\/NZS 1802 cho m\u1ecf, kh\u00f4ng ph\u1ea3i m\u00e3 LWL 15 kV AWG; s\u1ed1 li\u1ec7u ch\u1ec9 minh h\u1ecda nguy\u00ean l\u00fd \u00abki\u1ec3m so\u00e1t v\u1ecf v\u00e0 v\u1eadt li\u1ec7u\u00bb, t\u00e1c gi\u1ea3 kh\u00f4ng ki\u1ec3m ch\u1ee9ng \u0111\u1ed9c l\u1eadp.<\/p><p><b>Lu\u1eadn \u0111i\u1ec3m h\u1ecdc thu\u1eadt l\u00e0m c\u01a1 s\u1edf (qua tr\u00edch d\u1eabn trong b\u00e0i gi\u1edbi thi\u1ec7u c\u1ee7a FeiChun)<sup class=\"ref-n\">[12]<\/sup>.<\/b><\/p><ul><li>Nghi\u00ean c\u1ee9u v\u1ec1 gi\u00e1m s\u00e1t c\u00e1ch \u0111i\u1ec7n c\u00e1p cao \u00e1p trong m\u1ecf than h\u1ea7m l\u00f2 (PMC9152389) ghi nh\u1eadn \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed th\u01b0\u1eddng tr\u00ean 90 %, nh\u1ecf gi\u1ecdt, t\u1ea3n nhi\u1ec7t k\u00e9m l\u00e0m c\u00e1p gi\u00e0 h\u00f3a nhanh; t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng ch\u1ec9 t\u1edbi c\u00e1ch \u0111i\u1ec7n sau khi xuy\u00ean qua ho\u1eb7c v\u01b0\u1ee3t l\u1edbp v\u1ecf ngo\u00e0i, n\u00ean to\u00e0n v\u1eb9n c\u1ee7a v\u1ecf l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean. Nh\u1eadn x\u00e9t c\u1ee7a t\u00e1c gi\u1ea3: \u0111\u00e2y l\u00e0 b\u1eb1ng ch\u1ee9ng gi\u00e1n ti\u1ebfp cho vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0o v\u1ecf, kh\u00f4ng ph\u1ea3i s\u1ed1 \u0111o c\u1ee7a c\u00e1p FeiChun.<\/li><li>T\u1ed5ng quan 2025 c\u1ee7a MDPI v\u1ec1 c\u00e1c \u0111\u01b0\u1eddng suy gi\u1ea3m c\u00e1ch \u0111i\u1ec7n c\u00e1p (Fire 8(10), 397) n\u00eau hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n b\u1ec1 m\u1eb7t nguy hi\u1ec3m \u1edf m\u00f4i tr\u01b0\u1eddng \u00f4 nhi\u1ec5m ho\u1eb7c \u1ea9m cao, v\u00e0 UV c\u00f9ng \u0111\u1ed9 \u1ea9m \u0111\u1ea9y nhanh bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y.<\/li><li>Nghi\u00ean c\u1ee9u v\u1ec1 polyetylen v\u00e0 EPR li\u00ean k\u1ebft ngang silane so v\u1edbi peroxit (Allen v\u00e0 c\u1ed9ng s\u1ef1, 1992, trong Polymer Degradation and Stability) cho th\u1ea5y v\u1eadt li\u1ec7u li\u00ean k\u1ebft ngang silane c\u00f3 n\u0103ng l\u01b0\u1ee3ng ho\u1ea1t h\u00f3a suy gi\u1ea3m nhi\u1ec7t \u2013 oxy h\u00f3a cao h\u01a1n; FeiChun d\u00f9ng \u0111i\u1ec1u n\u00e0y \u0111\u1ec3 gi\u1ea3i th\u00edch l\u1ef1a ch\u1ecdn EPR silane ch\u1ed1ng th\u1ee7y ph\u00e2n. Nh\u1eadn x\u00e9t c\u1ee7a t\u00e1c gi\u1ea3: n\u0103ng l\u01b0\u1ee3ng ho\u1ea1t h\u00f3a cao h\u01a1n l\u00e0 ch\u1ec9 b\u00e1o, c\u00f2n k\u1ebft lu\u1eadn v\u1ec1 tu\u1ed5i th\u1ecd ph\u1ea3i \u0111\u1ebfn t\u1eeb th\u1eed ng\u00e2m n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c c\u1ee7a \u0111\u00fang h\u1ee3p ch\u1ea5t.<\/li><li>FeiChun tr\u00edch s\u1ed1 li\u1ec7u c\u1ee7a PEMA: l\u1ed7i c\u00e1p chi\u1ebfm kho\u1ea3ng 15 \u2013 20 % th\u1eddi gian d\u1eebng c\u1ea9u container, v\u00e0 c\u1ea3ng d\u00f9ng c\u00e1p theo VDE 0250 gi\u1ea3m kho\u1ea3ng 40 % th\u1eddi gian d\u1eebng \u0111\u1ed9t xu\u1ea5t<sup class=\"ref-n\">[13]<\/sup>. T\u00e1c gi\u1ea3 ch\u01b0a ki\u1ec3m ch\u1ee9ng s\u1ed1 li\u1ec7u n\u00e0y \u0111\u1ed9c l\u1eadp.<\/li><\/ul><h3>9.6 \u00c1p d\u1ee5ng cho m\u00e3 15 kV c\u1ee1 AWG: \u00e1nh x\u1ea1 v\u00e0 b\u1ea3ng h\u1ecfi FeiChun<\/h3><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1450px\"><caption>H\u1ea1ng m\u1ee5c c\u1ea7n FeiChun x\u00e1c nh\u1eadn cho c\u00e1p tang cu\u1ed1n 15 kV c\u1ee1 AWG c\u00f3 s\u1ee3i quang<\/caption><thead><tr><th>H\u1ea1ng m\u1ee5c<\/th><th>Datasheet tham kh\u1ea3o [1]<\/th><th>C\u00f4ng ngh\u1ec7 FeiChun li\u00ean quan<\/th><th>N\u00ean h\u1ecfi FeiChun<\/th><\/tr><\/thead><tbody><tr><td>Ru\u1ed9t<\/td><td>\u0111\u1ed3ng m\u1ea1 thi\u1ebfc, class FS<\/td><td>ru\u1ed9t m\u1ea1 thi\u1ebfc class 5 \/ 6, thi\u1ebfc 5 \u2013 10 \u00b5m ki\u1ec3m b\u1eb1ng XRF<sup class=\"ref-n\">[12]<\/sup><\/td><td>class FS hay 6; s\u1ed1 s\u1ee3i, \u00d8 s\u1ee3i; R<sub>20<\/sub> \u0111o c\u1ee7a 4\/0 AWG (l\u00fd thuy\u1ebft 0,161 \u03a9\/km)<\/td><\/tr><tr><td>C\u00e1ch \u0111i\u1ec7n v\u00e0 b\u00e1n d\u1eabn<\/td><td>EPR \u2265 3GI3; b\u00e1n d\u1eabn trong EPR; ngo\u00e0i NBR easy-strip<\/td><td>EPR li\u00ean k\u1ebft ngang silane; \u0111\u00f9n ba l\u1edbp m\u1ed9t l\u1ea7n<sup class=\"ref-n\">[12]<\/sup><sup class=\"ref-n\">[13]<\/sup><\/td><td>ki\u1ec3u li\u00ean k\u1ebft ngang; b\u1ec1 d\u00e0y danh \u0111\u1ecbnh v\u00e0 nh\u1ecf nh\u1ea5t; th\u1eed 29 kV; \u0111o PD; l\u1ef1c b\u00f3c<\/td><\/tr><tr><td>Gia c\u01b0\u1eddng<\/td><td>b\u1ec7n polyester<\/td><td>aramid \u1edf t\u00e2m (K); b\u1ec7n ch\u1ed1ng xo\u1eafn FeiChun thi\u1ebft k\u1ebf<sup class=\"ref-n\">[13]<\/sup><\/td><td>c\u00f3 l\u00f5i \u0111\u1ee1 aramid kh\u00f4ng; l\u1ef1c k\u00e9o t\u0129nh \u2265 20 N\/mm\u00b2; chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng cho ph\u00e9p<\/td><\/tr><tr><td>V\u1ecf<\/td><td>PCP 5GM3 trong; PCP 5GM5 ngo\u00e0i; b\u1ec1 d\u00e0y theo ICEA<\/td><td>CPE h\u00fat \u1ea9m th\u1ea5p; PUR polyether; ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n<sup class=\"ref-n\">[12]<\/sup><\/td><td>ph\u01b0\u01a1ng \u00e1n v\u1ecf (PCP, CPE hay PUR); ISO 4649; \u0111\u1ed9 b\u1ec1n x\u00e9; h\u00fat \u1ea9m; b\u1ec1 d\u00e0y<\/td><\/tr><tr><td>Ch\u1eb7n n\u01b0\u1edbc d\u1ecdc<\/td><td>datasheet kh\u00f4ng n\u00eau<\/td><td>s\u1ee3i tr\u01b0\u01a1ng n\u1edf ch\u1eb7n n\u01b0\u1edbc gi\u1eefa c\u00e1c l\u00f5i<sup class=\"ref-n\">[12]<\/sup><\/td><td>c\u00f3 s\u1ee3i ho\u1eb7c b\u0103ng ch\u1eb7n n\u01b0\u1edbc kh\u00f4ng; n\u01b0\u1edbc bi\u1ec3n b\u1eafn c\u00f3 l\u00e0m \u1ea9m v\u00e0o khe kh\u00f4ng<\/td><\/tr><tr><td>Ph\u1ea7n t\u1eed quang<\/td><td>6, 12, 18 s\u1ee3i; G62,5, G50, E9<\/td><td>tu\u1ef3 bi\u1ebfn th\u00eam ph\u1ea7n t\u1eed s\u1ee3i quang theo c\u1ea5u h\u00ecnh<sup class=\"ref-n\">[12]<\/sup><\/td><td>lo\u1ea1i s\u1ee3i, \u1ed1ng \u0111\u1ec7m, \u0111o OTDR t\u1eebng cu\u1ed9n; \u0111\u01a1n v\u1ecb b\u0103ng th\u00f4ng MHz\u00b7km<\/td><\/tr><tr><td>D\u00e2y PE v\u00e0 ground check<\/td><td>PE 1 ho\u1eb7c 2 d\u00e2y; ground check 8 AWG<\/td><td>tu\u1ef3 bi\u1ebfn ti\u1ebft di\u1ec7n PE, l\u00f5i d\u1eabn h\u01b0\u1edbng<sup class=\"ref-n\">[12]<\/sup><\/td><td>ti\u1ebft di\u1ec7n PE th\u1ef1c (mm\u00b2), s\u1ed1 d\u00e2y; d\u00f2ng ch\u1ea1m \u0111\u1ea5t cho ph\u00e9p<\/td><\/tr><tr><td>C\u01a1 h\u1ecdc<\/td><td>20\/30 N\/mm\u00b2; \u00b125 \u00b0\/m; tang kh\u00f4ng h\u1ea1n ch\u1ebf<\/td><td>BUFLEX-M tr\u00ean 1 tri\u1ec7u chu k\u1ef3 \u1edf 8\u00d7D<sup class=\"ref-n\">[13]<\/sup><\/td><td>s\u1ed1 chu k\u1ef3 u\u1ed1n \u1edf R = 10\u00d7D, t\u1ed1c \u0111\u1ed9 th\u1ef1c; th\u1eed xo\u1eafn \u00b125 \u00b0\/m<\/td><\/tr><tr><td>H\u1ed3 s\u01a1<\/td><td>UL E251483; MSHA P-189-4 (c\u1ee7a Prysmian)<\/td><td>CE, UKCA, VDE, EAC, ATEX, IECEx, ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u00e1y Nga (FeiChun)<sup class=\"ref-n\">[18]<\/sup><\/td><td>ch\u1ee9ng nh\u1eadn theo \u0111\u00fang m\u00e3; n\u1ebfu d\u1ef1 \u00e1n \u0111\u00f2i UL ho\u1eb7c MSHA th\u00ec h\u1ecfi ri\u00eang<\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>V\u1ec1 c\u00f4ng ngh\u1ec7 \u0111\u1ed9c quy\u1ec1n.<\/b> C\u00f4ng th\u1ee9c h\u1ee3p ch\u1ea5t, k\u1ebft c\u1ea5u b\u1ec7n, b\u01b0\u1edbc b\u1ec7n, g\u00f3c b\u1ec7n v\u00e0 b\u1ec1 d\u00e0y t\u1eebng l\u1edbp l\u00e0 d\u1eef li\u1ec7u nh\u00e0 m\u00e1y; b\u00e0i n\u00e0y kh\u00f4ng suy \u0111o\u00e1n c\u00e1c gi\u00e1 tr\u1ecb \u0111\u00f3 cho c\u00e1p 15 kV c\u1ee7a FeiChun. H\u00e3y y\u00eau c\u1ea7u b\u1ea3ng c\u1ea5u t\u1ea1o, bi\u00ean b\u1ea3n th\u1eed \u0111i\u1ec3n h\u00ecnh v\u00e0 ch\u1ee9ng nh\u1eadn theo \u0111\u00fang m\u00e3.<\/div><\/section>\n<section id=\"s10\"><h2>10. Th\u1eed nghi\u1ec7m v\u00e0 h\u1ed3 s\u01a1 c\u1ea7n xem<\/h2><p>V\u1edbi c\u00e1p tang cu\u1ed1n trung th\u1ebf, h\u1ed3 s\u01a1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a l\u00f4 quan tr\u1ecdng ngang catalogue: datasheet kh\u00f4ng c\u00f4ng b\u1ed1 s\u1ed1 chu k\u1ef3 u\u1ed1n, b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n, \u0111i\u1ec7n tr\u1edf ru\u1ed9t, \u0111i\u1ec7n dung hay k\u1ebft qu\u1ea3 PD<sup class=\"ref-n\">[1]<\/sup>, n\u00ean ch\u1ec9 bi\u00ean b\u1ea3n th\u1ef1c m\u1edbi cho bi\u1ebft l\u00f4 h\u00e0ng \u0111ang \u1edf \u0111\u00e2u so v\u1edbi gi\u1edbi h\u1ea1n.<\/p><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1100px\"><caption>Danh m\u1ee5c ph\u00e9p th\u1eed n\u00ean y\u00eau c\u1ea7u<\/caption><thead><tr><th>Ph\u00e9p th\u1eed<\/th><th>Tham chi\u1ebfu<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody><tr><td>\u0110i\u1ec7n \u00e1p xoay chi\u1ec1u<\/td><td>29 kV (ru\u1ed9t ch\u00ednh); 2 kV (l\u00f5i \u0111i\u1ec1u khi\u1ec3n)<sup class=\"ref-n\">[1]<\/sup><\/td><td>m\u1ecdi cu\u1ed9n; ghi th\u1eddi gian th\u1eed v\u00e0 nhi\u1ec7t \u0111\u1ed9<\/td><\/tr><tr><td>Ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 (PD)<\/td><td>IEC 60885-3<\/td><td>datasheet kh\u00f4ng n\u00eau; y\u00eau c\u1ea7u n\u1ebfu tuy\u1ebfn d\u00e0i ho\u1eb7c h\u1ee3p \u0111\u1ed3ng \u0111\u00f2i<\/td><\/tr><tr><td>\u0110i\u1ec7n tr\u1edf ru\u1ed9t 20 \u00b0C<\/td><td>IEC 60228<\/td><td>datasheet kh\u00f4ng c\u00f4ng b\u1ed1; ru\u1ed9t m\u1ea1 thi\u1ebfc nh\u1ec9nh h\u01a1n \u0111\u1ed3ng tr\u1ea7n<\/td><\/tr><tr><td>\u0110i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n<\/td><td>FeiChun n\u00eau tr\u00ean 500 M\u03a9\u00b7km \u1edf 20 \u00b0C<sup class=\"ref-n\">[12]<\/sup><\/td><td>m\u1ecdi cu\u1ed9n; ghi nhi\u1ec7t \u0111\u1ed9 \u0111o<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc, b\u1ec1 d\u00e0y v\u1ecf, \u0111\u1ed9 l\u1ec7ch t\u00e2m<\/td><td>theo b\u1ea3n v\u1ebd<\/td><td>\u00d8 min \u2013 max theo b\u1ea3ng; b\u1ec1 d\u00e0y v\u1ecf theo ICEA<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o, gi\u00e3n d\u00e0i c\u1ee7a v\u1ecf v\u00e0 c\u00e1ch \u0111i\u1ec7n<\/td><td>IEC 60811-501<\/td><td>tr\u01b0\u1edbc v\u00e0 sau gi\u00e0 h\u00f3a; th\u00eam gi\u00e0 h\u00f3a trong n\u01b0\u1edbc n\u00f3ng cho EPR<\/td><\/tr><tr><td>Hot set c\u1ee7a c\u00e1ch \u0111i\u1ec7n<\/td><td>IEC 60811-507<\/td><td>ki\u1ec3m tra m\u1ee9c li\u00ean k\u1ebft ngang<\/td><\/tr><tr><td>H\u00fat n\u01b0\u1edbc c\u1ee7a v\u1ecf<\/td><td>IEC 60811-402<\/td><td>FeiChun n\u00eau CPE d\u01b0\u1edbi 0,5 % (28 ng\u00e0y, 70 \u00b0C)<sup class=\"ref-n\">[12]<\/sup><\/td><\/tr><tr><td>Ch\u1ecbu d\u1ea7u<\/td><td>IEC\/EN 60811-404<\/td><td>datasheet n\u00eau ti\u00eau chu\u1ea9n n\u00e0y<sup class=\"ref-n\">[1]<\/sup><\/td><\/tr><tr><td>Ch\u00e1y lan<\/td><td>IEC\/EN 60332-1-2<\/td><td>datasheet n\u00eau; m\u1eadt \u0111\u1ed9 kh\u00f3i IEC 61034 v\u00e0 halogen IEC 60754 kh\u00f4ng \u0111\u01b0\u1ee3c n\u00eau<\/td><\/tr><tr><td>Ch\u1ed1ng ch\u00e1y theo MSHA<\/td><td>30 CFR Part 7 Subpart K, m\u1ee5c 7.407<sup class=\"ref-n\">[6]<\/sup><\/td><td>ch\u1ea5p thu\u1eadn theo thi\u1ebft k\u1ebf c\u00e1p c\u1ee5 th\u1ec3 c\u1ee7a MSHA; kh\u00f4ng thay b\u1eb1ng IEC 60332-1-2<\/td><\/tr><tr><td>M\u00e0i m\u00f2n v\u1ecf<\/td><td>ISO 4649 (ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n)<sup class=\"ref-n\">[17]<\/sup><\/td><td>th\u01b0\u1edbc \u0111o tham chi\u1ebfu, n\u00ean \u0111\u01b0a v\u00e0o h\u1ee3p \u0111\u1ed3ng<\/td><\/tr><tr><td>U\u1ed1n ng\u01b0\u1ee3c, u\u1ed1n tr\u00ean con l\u0103n, xo\u1eafn<\/td><td>datasheet li\u1ec7t k\u00ea ba th\u1eed n\u00e0y<sup class=\"ref-n\">[1]<\/sup><\/td><td>ghi s\u1ed1 chu k\u1ef3, R = 10\u00d7D, t\u1ed1c \u0111\u1ed9, ti\u00eau ch\u00ed \u0111\u1ea1t; \u0111o \u0111i\u1ec7n tr\u1edf ru\u1ed9t v\u00e0 th\u1eed \u0111i\u1ec7n \u00e1p sau th\u1eed<\/td><\/tr><tr><td>S\u1ee3i quang<\/td><td>IEC 60793-1-40 (suy hao); \u0111o b\u1eb1ng OTDR<\/td><td>t\u1eebng s\u1ee3i \u1edf 850 \/ 1 310 \/ 1 550 nm; ghi suy hao v\u00e0 v\u1ecb tr\u00ed s\u1ef1 c\u1ed1<\/td><\/tr><\/tbody><\/table><\/div><p class=\"small\">T\u00ean b\u00e0i th\u1eed v\u00e0 ti\u00eau chu\u1ea9n l\u1ea5y t\u1eeb datasheet, b\u00e0i c\u1ee7a FeiChun v\u00e0 t\u00e0i li\u1ec7u c\u1ee7a MSHA<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[6]<\/sup><sup class=\"ref-n\">[12]<\/sup><sup class=\"ref-n\">[17]<\/sup>; phi\u00ean b\u1ea3n v\u00e0 gi\u1edbi h\u1ea1n theo h\u1ee3p \u0111\u1ed3ng.<\/p><\/section>\n<section id=\"s11\"><h2>11. S\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch ph\u00f2ng<\/h2><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1250px\"><caption>Ch\u1ebf \u0111\u1ed9 h\u1ecfng th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1p tang cu\u1ed1n trung th\u1ebf (t\u1ed5ng h\u1ee3p c\u1ee7a t\u00e1c gi\u1ea3)<\/caption><thead><tr><th>Ch\u1ebf \u0111\u1ed9 h\u1ecfng<\/th><th>D\u1ea5u hi\u1ec7u<\/th><th>Nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p<\/th><th>Bi\u1ec7n ph\u00e1p<\/th><\/tr><\/thead><tbody><tr><td>C\u00e1p xo\u1eafn th\u00e0nh l\u00f2 xo (Z-kink) tr\u00ean tang<\/td><td>c\u00e1p n\u1ed5i v\u00f2ng, k\u1eb9t \u1edf b\u1ed9 d\u1eabn<\/td><td>t\u00edch l\u0169y xo\u1eafn qua nhi\u1ec1u l\u1edbp; b\u1ed9 d\u1eabn l\u1ec7ch tr\u1ee5c<\/td><td>b\u1ec7n polyester, b\u01b0\u1edbc xo\u1eafn ng\u1eafn (m\u1ee5c 9.2); canh th\u1eb3ng b\u1ed9 d\u1eabn; th\u1eed xo\u1eafn \u00b125 \u00b0\/m<\/td><\/tr><tr><td>Qu\u00e1 k\u00e9o<\/td><td>ru\u1ed9t gi\u00e3n; s\u1ee3i quang suy hao t\u0103ng ho\u1eb7c \u0111\u1ee9t<\/td><td>treo th\u1eb3ng \u0111\u1ee9ng v\u01b0\u1ee3t 25 \u2013 57 m; tang kh\u00f4ng \u0111i\u1ec1u khi\u1ec3n m\u00f4-men; t\u0103ng t\u1ed1c \u0111\u1ed9t ng\u1ed9t<\/td><td>gi\u1eef T \u2264 20 \/ 30 N\/mm\u00b2 (m\u1ee5c 5.1); \u0111\u1ee1 c\u00e1p theo \u0111o\u1ea1n; h\u1ecfi bi\u1ebfn th\u1ec3 c\u00f3 aramid<\/td><\/tr><tr><td>Qu\u00e1 nhi\u1ec7t tr\u00ean tang<\/td><td>v\u1ecf m\u1ec1m, n\u1ee9t; m\u00f9i kh\u00e9t<\/td><td>nhi\u1ec1u l\u1edbp c\u00f2n tr\u00ean tang, t\u1ea3i li\u00ean t\u1ee5c, m\u00f4i tr\u01b0\u1eddng 50 \u2013 60 \u00b0C<\/td><td>h\u1ec7 s\u1ed1 l\u1edbp VDE \/ ICEA (m\u1ee5c 5.3); th\u00e1o b\u1edbt l\u1edbp kh\u1ecfi tang<sup class=\"ref-n\">[5]<\/sup>; ch\u1ecdn c\u1ee1 l\u1edbn h\u01a1n; tang mono-spiral<\/td><\/tr><tr><td>V\u1ecf m\u00f2n th\u1ee7ng<\/td><td>th\u1ea5y b\u1ec7n ho\u1eb7c l\u00f5i<\/td><td>k\u00e9o l\u00ea, ch\u00e0 x\u00e1t tr\u00ean con l\u0103n, c\u1ea1nh s\u1eafc<\/td><td>h\u1ea1n ch\u1ebf \u0111o\u1ea1n l\u00ea; ch\u1ec9 s\u1ed1 ISO 4649; b\u1ea3o v\u1ec7 \u0111i\u1ec3m ch\u00e0 x\u00e1t<\/td><\/tr><tr><td>\u1ea8m x\u00e2m nh\u1eadp d\u1ecdc c\u00e1p<\/td><td>\u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n gi\u1ea3m d\u1ea7n<\/td><td>v\u1ecf th\u1ee7ng; khe kh\u00f4ng ch\u1eb7n n\u01b0\u1edbc; ru\u1ed9t tr\u1ea7n<\/td><td>ru\u1ed9t m\u1ea1 thi\u1ebfc; s\u1ee3i tr\u01b0\u01a1ng n\u1edf ch\u1eb7n n\u01b0\u1edbc; th\u1eed \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n \u0111\u1ecbnh k\u1ef3<\/td><\/tr><tr><td>Ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9, h\u1ecfng \u0111\u1ea7u c\u00e1p<\/td><td>ph\u00f3ng \u0111i\u1ec7n \u1edf ch\u1ed7 c\u1eaft b\u00e1n d\u1eabn<\/td><td>l\u1ed7 kh\u00ed \u1edf m\u1eb7t ph\u00e2n c\u00e1ch; b\u00f3c l\u00e0m x\u01b0\u1edbc; ph\u1ee5 ki\u1ec7n sai c\u1ea5p<\/td><td>l\u1edbp NBR easy-strip \u0111\u00fang quy tr\u00ecnh; th\u1ee3 c\u00f3 ch\u1ee9ng ch\u1ec9; ph\u1ee5 ki\u1ec7n \u0111\u00fang c\u1ea5p 15 kV; \u0111o PD<\/td><\/tr><tr><td>G\u00e3y s\u1ee3i quang<\/td><td>suy hao t\u0103ng, m\u1ea5t t\u00edn hi\u1ec7u<\/td><td>u\u1ed1n d\u01b0\u1edbi R t\u1ed1i thi\u1ec3u; k\u1eb9p c\u1ee9ng; k\u00e9o qu\u00e1<\/td><td>R \u2265 10\u00d7D; \u0111\u1ea7u k\u1eb9p l\u01b0\u1edbi gi\u1ea3m l\u1ef1c; \u0111o OTDR \u0111\u1ecbnh k\u1ef3; d\u1ef1 ph\u00f2ng s\u1ee3i<\/td><\/tr><tr><td>Ch\u1ea1m \u0111\u1ea5t kh\u00f4ng c\u1eaft k\u1ecbp<\/td><td>b\u1ea3o v\u1ec7 kh\u00f4ng t\u00e1c \u0111\u1ed9ng \u0111\u00fang<\/td><td>PE nh\u1ecf so v\u1edbi d\u00f2ng ch\u1ea1m \u0111\u1ea5t; m\u1ea5t gi\u00e1m s\u00e1t ground check<\/td><td>\u0111\u1ed1i chi\u1ebfu PE v\u1edbi d\u00f2ng ch\u1ea1m \u0111\u1ea5t v\u00e0 th\u1eddi gian c\u1eaft (m\u1ee5c 5.5); ki\u1ec3m tra m\u1ea1ch ground check<\/td><\/tr><tr><td>H\u1ecfng do \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S<\/td><td>v\u1ecf m\u00f2n, ru\u1ed9t m\u1ecfi t\u1ea1i con l\u0103n<\/td><td>kho\u1ea3ng c\u00e1ch gi\u1eefa hai con l\u0103n d\u01b0\u1edbi 20\u00d7D<\/td><td>b\u1ed1 tr\u00ed \u2265 20\u00d7D; \u0111\u01b0\u1eddng k\u00ednh con l\u0103n \u2265 2R<\/td><\/tr><\/tbody><\/table><\/div><p>C\u1ed9t nguy\u00ean nh\u00e2n v\u00e0 bi\u1ec7n ph\u00e1p l\u00e0 t\u1ed5ng h\u1ee3p c\u1ee7a t\u00e1c gi\u1ea3 t\u1eeb datasheet, b\u1ea3n tin MSHA v\u00e0 c\u00e1c ph\u00e9p t\u00ednh trong b\u00e0i<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[5]<\/sup>; datasheet kh\u00f4ng c\u00f4ng b\u1ed1 t\u1ef7 l\u1ec7 h\u1ecfng hay tu\u1ed5i th\u1ecd cho t\u1eebng ch\u1ebf \u0111\u1ed9. C\u01a1 ch\u1ebf h\u1ecfng \u1edf b\u1ea3ng tr\u00ean kh\u1edbp v\u1edbi m\u00f4 t\u1ea3 c\u1ee7a FeiChun v\u1ec1 hai d\u1ea1ng h\u1ecfng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a c\u00e1p tang cu\u1ed1n: \u0111\u1ee9t ru\u1ed9t do m\u1ecfi u\u1ed1n v\u00e0 n\u1ee9t v\u1ecf do ti\u1ebfp x\u00fac l\u1eb7p l\u1ea1i v\u1edbi b\u1ec1 m\u1eb7t tang<sup class=\"ref-n\">[12]<\/sup>.<\/p><\/section>\n<section id=\"s12\"><h2>12. D\u1eef li\u1ec7u c\u1ea7n y\u00eau c\u1ea7u khi \u0111\u1eb7t h\u00e0ng<\/h2><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:900px\"><caption>Danh m\u1ee5c y\u00eau c\u1ea7u<\/caption><thead><tr><th>D\u1eef li\u1ec7u<\/th><th>V\u00ec sao c\u1ea7n<\/th><\/tr><\/thead><tbody><tr><td>\u0110i\u1ec7n \u00e1p l\u01b0\u1edbi, ki\u1ec3u n\u1ed1i \u0111\u1ea5t trung t\u00ednh, th\u1eddi gian t\u1ed3n t\u1ea1i ch\u1ea1m \u0111\u1ea5t<\/td><td>ch\u1ecdn c\u1ea5p c\u00e1ch \u0111i\u1ec7n; U<sub>0<\/sub> hay U = U<sub>0<\/sub><\/td><\/tr><tr><td>C\u1ea5u h\u00ecnh \u0111\u1ee7: c\u1ee1 ru\u1ed9t pha (AWG ho\u1eb7c mm\u00b2), s\u1ed1 d\u00e2y PE v\u00e0 ti\u1ebft di\u1ec7n (mm\u00b2), ground check, ph\u1ea7n t\u1eed quang<\/td><td>d\u00f2ng, ng\u1eafn m\u1ea1ch, b\u1ea3o v\u1ec7, \u0111\u1eb7t \u0111\u00fang m\u00e3 (tr\u00e1nh nh\u1ea7m c\u00e1c d\u00f2ng \u00ab5DK8***\u00bb)<\/td><\/tr><tr><td>S\u1ed1 s\u1ee3i quang, lo\u1ea1i s\u1ee3i (G62,5, G50, E9), b\u01b0\u1edbc s\u00f3ng v\u00e0 giao th\u1ee9c thi\u1ebft b\u1ecb, chi\u1ec1u d\u00e0i tuy\u1ebfn<\/td><td>qu\u1ef9 suy hao, b\u0103ng th\u00f4ng, t\u1ea7m v\u1edbi Ethernet<\/td><\/tr><tr><td>Ki\u1ec3u tang (mono-spiral hay tr\u1ee5), l\u00f5i tang, s\u1ed1 l\u1edbp t\u1ed1i \u0111a c\u00f2n tr\u00ean tang, t\u1ed1c \u0111\u1ed9, gia t\u1ed1c<\/td><td>t\u00ednh l\u1ef1c k\u00e9o, d\u00f2ng gi\u1ea3m, tu\u1ed5i th\u1ecd<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i c\u00e1p, \u0111o\u1ea1n treo th\u1eb3ng \u0111\u1ee9ng, \u0111o\u1ea1n l\u00ea, \u0111\u1ed9 d\u1ed1c, \u0111i\u1ec1u ki\u1ec7n n\u1ec1n<\/td><td>ki\u1ec3m tra l\u1ef1c k\u00e9o v\u00e0 m\u00e0i m\u00f2n (m\u1ee5c 5.1)<\/td><\/tr><tr><td>M\u00f4i tr\u01b0\u1eddng: nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t v\u00e0 th\u1ea5p nh\u1ea5t, n\u1eafng, n\u01b0\u1edbc bi\u1ec3n b\u1eafn, b\u1ee5i, axit, d\u1ea7u<\/td><td>ch\u1ecdn v\u1ecf (PCP, CPE hay PUR) v\u00e0 h\u1ec7 s\u1ed1 nhi\u1ec7t<\/td><\/tr><tr><td>B\u1ea3ng d\u1eef li\u1ec7u theo l\u00f4: \u00d8 min \u2013 max, kh\u1ed1i l\u01b0\u1ee3ng, \u0111i\u1ec7n tr\u1edf \u0111o, \u0111i\u1ec7n dung, \u0111i\u1ec7n kh\u00e1ng<\/td><td>thi\u1ebft k\u1ebf tang, m\u00e1ng, con l\u0103n; t\u00ednh s\u1ee5t \u00e1p<\/td><\/tr><tr><td>Ru\u1ed9t \u0111\u1ed3ng tr\u1ea7n hay m\u1ea1 thi\u1ebfc; ch\u1eb7n n\u01b0\u1edbc d\u1ecdc; lo\u1ea1i polyol n\u1ebfu v\u1ecf PUR<\/td><td>m\u00f4i tr\u01b0\u1eddng \u1ea9m n\u00f3ng, n\u01b0\u1edbc bi\u1ec3n<\/td><\/tr><tr><td>Ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n ISO 4649, \u0111\u1ed9 b\u1ec1n x\u00e9, gi\u00e3n d\u00e0i, h\u00fat \u1ea9m c\u1ee7a v\u1ecf<\/td><td>so s\u00e1nh nh\u00e0 cung c\u1ea5p<\/td><\/tr><tr><td>Bi\u00ean b\u1ea3n th\u1eed \u0111i\u1ec7n \u00e1p, PD (n\u1ebfu c\u1ea7n), th\u1eed u\u1ed1n \u2013 xo\u1eafn, \u0111o suy hao quang t\u1eebng s\u1ee3i<\/td><td>nghi\u1ec7m thu<\/td><\/tr><tr><td>Y\u00eau c\u1ea7u ch\u00e1y v\u00e0 kh\u00f3i: IEC 60332-1-2 \u0111\u1ee7 hay c\u1ea7n kh\u00f4ng halogen, MSHA, IEC 61034<\/td><td>h\u1ed3 s\u01a1 ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y<\/td><\/tr><tr><td>Ph\u1ee5 ki\u1ec7n: \u0111\u1ea7u c\u00e1p trung th\u1ebf, h\u1ed9p n\u1ed1i, \u0111\u1ea7u n\u1ed1i quang \u0111\u00fang c\u1ea5p 15 kV<\/td><td>ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t<\/td><\/tr><tr><td>Ch\u1ee9ng nh\u1eadn theo m\u00e3 c\u00e1p, ph\u1ea1m vi v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c<\/td><td>h\u1ed3 s\u01a1 d\u1ef1 \u00e1n<\/td><\/tr><\/tbody><\/table><\/div><\/section>\n<section id=\"s13\"><h2>13. Ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun<\/h2><div class=\"certbanner\"><h3>FeiChun Cable: b\u1ed9 ch\u1ee9ng nh\u1eadn \u0111\u1ea7y \u0111\u1ee7<\/h3><p>Theo th\u00f4ng tin c\u1ee7a FeiChun, h\u1ec7 th\u1ed1ng c\u00e1p c\u1ee7a c\u00f4ng ty \u0111\u00e1p \u1ee9ng <strong>CE, UKCA, VDE, EAC, ATEX, IECEx<\/strong> v\u00e0 c\u00f3 <strong>ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u00e1y c\u1ee7a Nga<\/strong>. B\u1ed9 h\u1ed3 s\u01a1 n\u00e0y gi\u00fap r\u00fat ng\u1eafn nghi\u1ec7m thu cho d\u1ef1 \u00e1n c\u1ea3ng, m\u1ecf v\u00e0 c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t khi c\u00f9ng m\u1ed9t ch\u1ee7 \u0111\u1ea7u t\u01b0 mua c\u00e1p tang cu\u1ed1n trung th\u1ebf, c\u00e1p festoon, c\u00e1p x\u00edch v\u00e0 c\u00e1p k\u00e9o l\u00ea m\u1ecf t\u1eeb m\u1ed9t nh\u00e0 cung c\u1ea5p.<sup class=\"ref-n\">[18]<\/sup><\/p><\/div><div class=\"certgrid\"><div class=\"certchip\">CE – Li\u00ean minh ch\u00e2u \u00c2u<\/div><div class=\"certchip\">UKCA – Anh<\/div><div class=\"certchip\">VDE – ti\u00eau chu\u1ea9n \u0110\u1ee9c<\/div><div class=\"certchip\">EAC – Nga v\u00e0 EAEU<\/div><div class=\"certchip\">ATEX – v\u00f9ng n\u1ed5<\/div><div class=\"certchip\">IECEx – s\u01a1 \u0111\u1ed3 qu\u1ed1c t\u1ebf<\/div><div class=\"certchip\">Ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u00e1y Nga<\/div><\/div><div class=\"warn\"><b>C\u00e1ch d\u00f9ng ch\u1ee9ng nh\u1eadn \u0111\u00fang.<\/b> H\u00e3y xin b\u1ea3n sao v\u00e0 \u0111\u1ed1i chi\u1ebfu m\u00e3 c\u00e1p, d\u1ea3i \u0111i\u1ec7n \u00e1p, ti\u1ebft di\u1ec7n, ph\u1ea1m vi v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c. C\u00e1c h\u1ed3 s\u01a1 trong datasheet tham kh\u1ea3o (UL file E251483, MSHA P-189-4, b\u1ec1 d\u00e0y v\u1ecf theo ICEA, DIN VDE 0250-813, VDE 0298-4)<sup class=\"ref-n\">[1]<\/sup> l\u00e0 c\u1ee7a c\u00e1p Prysmian; ch\u00fang kh\u00f4ng ph\u1ea3i ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun v\u00e0 kh\u00f4ng chuy\u1ec3n sang c\u00e1p FeiChun. MSHA ch\u1ea5p thu\u1eadn ch\u1ed1ng ch\u00e1y cho t\u1eebng thi\u1ebft k\u1ebf c\u00e1p theo 30 CFR Part 7 Subpart K<sup class=\"ref-n\">[6]<\/sup>; n\u1ebfu d\u1ef1 \u00e1n m\u1ecf ho\u1eb7c c\u1ea3ng \u0111\u00f2i UL hay MSHA, h\u00e3y h\u1ecfi FeiChun ri\u00eang thay v\u00ec suy t\u1eeb b\u1ed9 ch\u1ee9ng nh\u1eadn ch\u00e2u \u00c2u. Ch\u1ee9ng nh\u1eadn c\u1ee7a m\u1ed9t h\u1ecd c\u00e1p, \u0111\u1eb7c bi\u1ec7t c\u00e1p h\u1ea1 \u00e1p, kh\u00f4ng t\u1ef1 \u0111\u1ed9ng \u00e1p d\u1ee5ng cho c\u00e1p tang cu\u1ed1n trung th\u1ebf 15 kV c\u00f3 s\u1ee3i quang. ATEX v\u00e0 IECEx ch\u1ec9 li\u00ean quan khi tuy\u1ebfn \u0111i v\u00e0o khu v\u1ef1c c\u00f3 kh\u00ed n\u1ed5, v\u00e0 c\u1ea7n l\u00e0m r\u00f5 \u00e1p d\u1ee5ng cho c\u00e1p, h\u1ec7 th\u1ed1ng c\u00e1p hay \u0111\u1ea7u v\u00e0o c\u00e1p. V\u1edbi y\u00eau c\u1ea7u kh\u00f4ng halogen ho\u1eb7c kh\u00f3i th\u1ea5p, h\u00e3y xin bi\u00ean b\u1ea3n IEC 60754 v\u00e0 IEC 61034 cho \u0111\u00fang m\u00e3. V\u1edbi c\u00e1p tang cu\u1ed1n trung th\u1ebf, h\u1ed3 s\u01a1 quy\u1ebft \u0111\u1ecbnh l\u00e0 bi\u00ean b\u1ea3n th\u1eed theo DIN VDE 0250-813 cho \u0111\u00fang m\u00e3.<\/div><div class=\"contact\"><div><strong>FeiChun Cable \/ \u98de\u7eaf\u7535\u7f06<\/strong><br>Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 d\u1ef1 \u00e1n: <a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a><\/div><div><strong>\u0110i\u1ec7n tho\u1ea1i<\/strong><br><a href=\"tel:+8613855123218\">+86 13855123218<\/a><\/div><\/div><\/section>\n<section id=\"s14\"><h2>14. FeiChun: b\u1ea3n \u0111\u1ed3 ch\u1ecdn c\u00e1p trong m\u1ed9t d\u1ef1 \u00e1n c\u1ea3ng ho\u1eb7c m\u1ecf<\/h2><p>Tr\u00ean c\u00f9ng m\u1ed9t thi\u1ebft b\u1ecb, \u0111o\u1ea1n c\u1ed1 \u0111\u1ecbnh, \u0111o\u1ea1n tang cu\u1ed1n, \u0111o\u1ea1n festoon ho\u1eb7c x\u00edch v\u00e0 \u0111o\u1ea1n k\u00e9o l\u00ea th\u01b0\u1eddng c\u1ea7n c\u00e1c h\u1ecd c\u00e1p kh\u00e1c nhau. Mua m\u1ed9t h\u1ecd cho c\u1ea3 tuy\u1ebfn l\u00e0 ngu\u1ed3n g\u1ed1c c\u1ee7a nhi\u1ec1u s\u1ef1 c\u1ed1.<\/p><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:950px\"><caption>B\u1ea3n \u0111\u1ed3 ch\u1ecdn c\u00e1p FeiChun<\/caption><thead><tr><th>\u0110o\u1ea1n tuy\u1ebfn<\/th><th>Lo\u1ea1i c\u00e1p<\/th><th>B\u00e0i k\u1ef9 thu\u1eadt li\u00ean quan<\/th><\/tr><\/thead><tbody><tr><td>Tuy\u1ebfn 22 kV ng\u1ea7m c\u1ed1 \u0111\u1ecbnh<\/td><td>Cu\/XLPE\/PVC\/DSTA\/PVC 12,7\/22(24) kV 3\u00d7240<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/cu-xlpe-pvc-dsta-pvc-22-kv-3x240-mm%c2%b2-cap-ngam-trung-the-giap-bang-thep-kep-con-so-nao-quyet-dinh-khi-chon-cho-luoi-22-kv-tai-cang-va-khu-cong-nghiep\/\" target=\"_blank\" rel=\"noopener\">Cu\/XLPE\/PVC\/DSTA\/PVC 22 kV 3\u00d7240 mm\u00b2<\/a><\/td><\/tr><tr><td>Tang cu\u1ed1n trung th\u1ebf tr\u00f2n, t\u1ed1c \u0111\u1ed9 cao, ch\u1ecbu xo\u1eafn<\/td><td>PROTOLON(SMK) (N)TSCGEW\u00d6U 6\/10 kV<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/protolonsmk-ntscgewou-6-10-kv-3x253x25-3-cap-tang-cuon-trung-the-cho-cau-container-festoon-va-thiet-bi-di-dong-lon\/\" target=\"_blank\" rel=\"noopener\">PROTOLON(SMK) (N)TSCGEW\u00d6U 6\/10 kV 3\u00d725+3\u00d725\/3<\/a><\/td><\/tr><tr><td>Tang cu\u1ed1n trung th\u1ebf c\u00f3 s\u1ee3i quang cho m\u00e1y l\u1ed9 thi\u00ean, t\u1ed1c \u0111\u1ed9 v\u1eeba<\/td><td>PROTOLON (M) R-(N)TSCGEW\u00d6U LWL 6\/10 kV<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/protolon-m-r-ntscgewou-lwl-6-10-kv-cap-tang-cuon-trung-the-tich-hop-soi-quang-cho-may-xuc-may-nghien-di-dong-va-thiet-bi-cang-con-so-nao-quyet-dinh-khi-chon-cap-chiu-keo-chiu-xoan-va-chong-ma\/\" target=\"_blank\" rel=\"noopener\">PROTOLON (M) R-(N)TSCGEW\u00d6U LWL 6\/10 kV<\/a><\/td><\/tr><tr><td>Tang cu\u1ed1n d\u1eb9t c\u00f3 s\u1ee3i quang (3,6\/6 \u2013 6\/10 kV)<\/td><td>PROTOLON(FL)-LWL (N)TSFLCGEW\u00d6U<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/protolonfl-lwl-ntsflcgewou-36-6-hoac-6-10-kv-3x354x25-4efo-cap-tang-cuon-det-trung-the-tich-hop-soi-quang-cho-cau-cang-may-xuc-va-thiet-bi-mo\/\" target=\"_blank\" rel=\"noopener\">PROTOLON(FL)-LWL (N)TSFLCGEW\u00d6U 3,6\/6 ho\u1eb7c 6\/10 kV<\/a><\/td><\/tr><tr><td>Tang cu\u1ed1n d\u1eb9t 8,7\/15 kV (ti\u1ebfng Anh)<\/td><td>PROTOLON FL-LWL (N)TSFLCGEWOEU 8,7\/15 kV<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/protolon-fl-lwl-flat-reeling-cable-fl-lwl-ntsflcgewoeu-87-15kv\/\" target=\"_blank\" rel=\"noopener\">PROTOLON FL-LWL Flat Reeling Cable 8,7\/15 kV<\/a><\/td><\/tr><tr><td>C\u00e1p tang cu\u1ed1n, cu\u1ed9n v\u00e0 k\u00e9o l\u00ea ch\u1ecbu k\u00e9o, ch\u1ecbu m\u00e0i m\u00f2n<\/td><td>NSHT\u00d6U, (N)SHT\u00d6U-V, NGFLG\u00d6U, PUR, (N)TSCGEW\u00d6U<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/cap-tang-cuon-cap-cuon-va-cap-keo-le-chiu-keo-chiu-mai-mon-cho-cau-cang-va-mo-nshtou-nshtou-v-ngflgou-pur-ntscgewou-con-so-nao-quyet-dinh-khi-chon-va-thiet-ke-cua-feichun\/\" target=\"_blank\" rel=\"noopener\">C\u00e1p tang cu\u1ed1n, c\u00e1p cu\u1ed9n v\u00e0 c\u00e1p k\u00e9o l\u00ea ch\u1ecbu k\u00e9o, ch\u1ecbu m\u00e0i m\u00f2n<\/a><\/td><\/tr><tr><td>Tang cu\u1ed1n h\u1ea1 \u00e1p cho c\u1ea9u, festoon, spreader<\/td><td>(N)SHT\u00d6U \/ NSHTOEU-J 0,6\/1 kV<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/nshtou-nshtoeu-j-06-1-kv-4x35-mm%c2%b2-cap-tang-cuon-ha-ap-cho-cau-cang-festoon-spreader-va-thiet-bi-mo\/\" target=\"_blank\" rel=\"noopener\">(N)SHT\u00d6U \/ NSHTOEU-J 0,6\/1 kV 4\u00d735 mm\u00b2<\/a><\/td><\/tr><tr><td>Festoon v\u00e0 x\u00edch d\u1eabn c\u00e1p 0,6\/1 kV v\u1ecf PUR kh\u00f4ng halogen c\u00f3 m\u00e0n ch\u1eafn<\/td><td>FESTOONFLEX C-PUR-HF (c\u00e1p tham kh\u1ea3o)<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/festoonflex-c-pur-hf-06-1-kv-cap-festoon-va-xich-dan-cap-vo-pur-khong-halogen-co-man-chan-con-so-nao-quyet-dinh-khi-chon-cho-cau-cang-kho-tu-dong-va-thiet-bi-mo-va-cong-nghe-pur-cua-feichun-cho\/\" target=\"_blank\" rel=\"noopener\">FESTOONFLEX C-PUR-HF 0,6\/1 kV v\u00e0 c\u00f4ng ngh\u1ec7 PUR c\u1ee7a FeiChun<\/a><\/td><\/tr><tr><td>C\u00e1p k\u00e9o l\u00ea PUR ch\u1ecbu l\u1ea1nh t\u1edbi \u221250 \u00b0C<\/td><td>TENAX-PUR (N)TSCGEH3S 6\/10 kV<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/tenax-pur-ntscgeh3s-i-6-10-kv\/\" target=\"_blank\" rel=\"noopener\">TENAX-PUR (N)TSCGEH3S 6\/10 kV<\/a><\/td><\/tr><tr><td>C\u00e1p k\u00e9o l\u00ea m\u1ecf v\u00e0 c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi c\u00e1p tang cu\u1ed1n<\/td><td>Type 240, Type 275, TENAX-PUR<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/what-is-mining-trailing-cable\/\" target=\"_blank\" rel=\"noopener\">What Is Mining Trailing Cable?<\/a><\/td><\/tr><tr><td>H\u01b0\u1edbng d\u1eabn h\u1ecd c\u00e1p DIN VDE 0250 c\u1ee7a FeiChun<\/td><td>BUFLEX-M, NSHT\u00d6U, (N)TSCGEW\u00d6U, TENAX-PUR<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/what-is-feichun-vde-0250-reeling-cable\/\" target=\"_blank\" rel=\"noopener\">What Is Feichun VDE 0250 Reeling Cable?<\/a><\/td><\/tr><tr><td>Gi\u1edbi thi\u1ec7u n\u0103ng l\u1ef1c v\u1eadt li\u1ec7u v\u00e0 s\u1ea3n xu\u1ea5t<\/td><td>t\u1ef1 pha ch\u1ebf h\u1ee3p ch\u1ea5t PUR, CPE, EPR; tropical h\u00f3a<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/about-feichun-cable\/\" target=\"_blank\" rel=\"noopener\">About Feichun Cable<\/a><\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>V\u1ec1 ng\u00f4n ng\u1eef.<\/b> M\u1ed9t s\u1ed1 b\u00e0i c\u1ee7a FeiChun vi\u1ebft b\u1eb1ng ti\u1ebfng Anh ho\u1eb7c ti\u1ebfng Nga; s\u1ed1 li\u1ec7u c\u00e1c b\u00e0i c\u00f3 th\u1ec3 \u0111\u1ed5i theo th\u1eddi \u0111i\u1ec3m \u0111\u0103ng. H\u00e3y l\u1ea5y b\u1ea3ng d\u1eef li\u1ec7u theo m\u00e3 c\u1ee7a l\u00f4 h\u00e0ng l\u00e0m c\u0103n c\u1ee9 cu\u1ed1i c\u00f9ng.<\/div><\/section>\n<section id=\"faq\"><h2>H\u1ecfi \u0111\u00e1p<\/h2><h3>PROTOLON (SM-R)-LWL AWG (N)TSKCGEW\u00d6U 15 kV l\u00e0 lo\u1ea1i c\u00e1p g\u00ec?<\/h3><p>C\u00e1p tang cu\u1ed1n trung th\u1ebf di \u0111\u1ed9ng 15 kV: ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc s\u1ee3i r\u1ea5t m\u1ea3nh (class FS), c\u00e1ch \u0111i\u1ec7n EPR c\u00f3 l\u1edbp b\u00e1n d\u1eabn trong v\u00e0 ngo\u00e0i, ba l\u00f5i c\u00f4ng su\u1ea5t 4 \u2013 4\/0 AWG c\u00f9ng d\u00e2y PE t\u00e1ch m\u1ed9t ho\u1eb7c hai, d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba v\u00e0 ph\u1ea7n t\u1eed quang (G62,5, G50 ho\u1eb7c E9), v\u1ecf trong PCP 5GM3, b\u1ec7n polyester, v\u1ecf ngo\u00e0i PCP 5GM5 v\u1edbi b\u1ec1 d\u00e0y theo ICEA. D\u00f9ng cho tang m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, c\u1ea9u g\u1ed7, m\u00e1y d\u1ee1 v\u00e0 x\u1ebfp t\u00e0u; th\u1eed 29 kV, k\u00e9o 20 N\/mm\u00b2 t\u0129nh v\u00e0 30 N\/mm\u00b2 \u0111\u1ed9ng, xo\u1eafn \u00b125 \u00b0\/m.<\/p><h3>3\u00d74\/0 AWG t\u01b0\u01a1ng \u0111\u01b0\u01a1ng bao nhi\u00eau mm\u00b2? AWG sang mm\u00b2 cho c\u00e1p tang cu\u1ed1n?<\/h3><p>4\/0 AWG l\u00e0 107,2 mm\u00b2; 3\/0 AWG 85,0; 2\/0 AWG 67,4; 1\/0 AWG 53,5; 1 AWG 42,4; 2 AWG 33,6; 4 AWG 21,2 mm\u00b2. Ch\u1ec9 2 AWG \u2248 35 mm\u00b2, 1\/0 AWG \u2248 50 mm\u00b2 v\u00e0 2\/0 AWG \u2248 70 mm\u00b2 g\u1ea7n v\u1edbi c\u1ee1 m\u00e9t; c\u00e1c c\u1ee1 c\u00f2n l\u1ea1i n\u1eb1m gi\u1eefa hai c\u1ee1 m\u00e9t (ch\u00eanh 4 \u2013 15 %), n\u00ean ph\u1ea3i ki\u1ec3m tra l\u1ea1i d\u00f2ng v\u00e0 l\u1ef1c k\u00e9o khi thay th\u1ebf.<\/p><h3>L\u1ef1c k\u00e9o cho ph\u00e9p v\u00e0 chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng t\u1ed1i \u0111a?<\/h3><p>L\u1ef1c k\u00e9o 20 N\/mm\u00b2 t\u0129nh v\u00e0 30 N\/mm\u00b2 \u0111\u1ed9ng tr\u00ean t\u1ed5ng ti\u1ebft di\u1ec7n ba ru\u1ed9t pha: t\u1eeb 1 270 N (3\u00d74 AWG) \u0111\u1ebfn 6 430 N (3\u00d74\/0 AWG) t\u0129nh. V\u1edbi kh\u1ed1i l\u01b0\u1ee3ng 5,1 \u2013 11,6 kg\/m, chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng ch\u1ec9 kho\u1ea3ng 25 \u2013 57 m v\u00e0 k\u00e9o l\u00ea (\u03bc = 0,6) kho\u1ea3ng 42 \u2013 95 m; tuy\u1ebfn treo d\u00e0i c\u1ea7n \u0111\u1ee1 theo \u0111o\u1ea1n ho\u1eb7c bi\u1ebfn th\u1ec3 c\u00f3 l\u00f5i \u0111\u1ee1 aramid.<\/p><h3>B\u00e1n k\u00ednh u\u1ed1n, l\u00f5i tang t\u1ed1i thi\u1ec3u v\u00e0 kho\u1ea3ng c\u00e1ch \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S?<\/h3><p>B\u00e1n k\u00ednh 6\u00d7D khi c\u1ed1 \u0111\u1ecbnh, 10\u00d7D khi chuy\u1ec3n \u0111\u1ed9ng v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hai l\u1ea7n \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S t\u1ed1i thi\u1ec3u 20\u00d7D (VDE 0298-3). V\u00ed d\u1ee5 3\u00d71\/0 AWG (\u00d8 l\u1edbn nh\u1ea5t 70,9 mm): R chuy\u1ec3n \u0111\u1ed9ng 709 mm, l\u00f5i tang t\u1ed1i thi\u1ec3u 1 418 mm, kho\u1ea3ng c\u00e1ch ch\u1eef S 1 418 mm; \u1edf 3\u00d74\/0 AWG (84,8 mm) l\u00e0 848 mm, 1 696 mm v\u00e0 1 696 mm.<\/p><h3>T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a c\u00e1p tr\u00ean tang l\u00e0 bao nhi\u00eau?<\/h3><p>Datasheet ghi t\u1ed1c \u0111\u1ed9 ch\u1ea1y gi\u00e0n (cu\u1ed1n tang) kh\u00f4ng h\u1ea1n ch\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb h\u1ecfi nh\u00e0 s\u1ea3n xu\u1ea5t khi tr\u00ean 240 m\/ph\u00fat (4 m\/s). \u0110\u00e2y l\u00e0 gi\u00e1 tr\u1ecb h\u01b0\u1edbng d\u1eabn: datasheet kh\u00f4ng c\u00f4ng b\u1ed1 s\u1ed1 chu k\u1ef3 u\u1ed1n, n\u00ean c\u1ea7n h\u1ecfi h\u00e3ng theo b\u00e1n k\u00ednh, gia t\u1ed1c v\u00e0 h\u00e0nh tr\u00ecnh th\u1ef1c.<\/p><h3>D\u00f2ng cho ph\u00e9p khi c\u00e1p qu\u1ea5n nhi\u1ec1u l\u1edbp tr\u00ean tang: d\u00f9ng h\u1ec7 s\u1ed1 VDE hay ICEA?<\/h3><p>D\u00f2ng trong datasheet (132 \u2013 364 A) l\u00e0 d\u00f2ng theo VDE 0298-4 \u0111\u1eb7t t\u1ef1 do \u1edf 30 \u00b0C. VDE 0298-4 cho h\u1ec7 s\u1ed1 tang 0,80, 0,61, 0,49, 0,42 cho m\u1ed9t \u0111\u1ebfn b\u1ed1n l\u1edbp; ICEA d\u00f9ng 0,85, 0,65, 0,45, 0,35. MSHA kh\u00f4ng \u00e1p h\u1ec7 s\u1ed1 tang khi x\u00e9t ch\u1ea5p thu\u1eadn m\u00e0 \u0111\u00e1nh gi\u00e1 theo chu k\u1ef3 t\u1ea3i trung b\u00ecnh. V\u00ed d\u1ee5 3\u00d74\/0 AWG \u1edf b\u1ed1n l\u1edbp c\u00f2n 153 A (VDE) ho\u1eb7c 127 A (ICEA); \u1edf m\u00f4i tr\u01b0\u1eddng 60 \u00b0C c\u1ea7n nh\u00e2n th\u00eam 0,707.<\/p><h3>S\u1ee3i quang trong c\u00e1p: lo\u1ea1i n\u00e0o, suy hao bao nhi\u00eau v\u00e0 ch\u1ea1y \u0111\u01b0\u1ee3c Ethernet bao xa?<\/h3><p>Ba lo\u1ea1i: G62,5\/125 (d\u01b0\u1edbi 3,3 dB\/km \u1edf 850 nm), G50\/125 (d\u01b0\u1edbi 2,8 dB\/km \u1edf 850 nm) v\u00e0 E9\/125 \u0111\u01a1n mode (d\u01b0\u1edbi 0,4 dB\/km \u1edf 1 310 nm, d\u01b0\u1edbi 0,3 dB\/km \u1edf 1 550 nm). \u0110a mode cho 1000BASE-SX t\u1edbi 275 \u2013 550 m nh\u01b0ng 10GBASE-SR ch\u1ec9 33 \u2013 300 m tu\u1ef3 OM; tuy\u1ebfn d\u00e0i ho\u1eb7c 10 Gb\/s n\u00ean d\u00f9ng \u0111\u01a1n mode E9 (10GBASE-LR t\u1edbi 10 km).<\/p><h3>C\u00e1p c\u00f3 d\u00f9ng \u0111\u01b0\u1ee3c cho x\u00edch d\u1eabn c\u00e1p, festoon ho\u1eb7c k\u00e9o l\u00ea kh\u00f4ng?<\/h3><p>Datasheet ch\u1ec9 li\u1ec7t k\u00ea c\u00e1c tang. C\u00e1p n\u1eb7ng 5,1 \u2013 11,6 kg\/m, \u00d8 58 \u2013 85 mm, R \u2265 10\u00d7D (616 \u2013 848 mm) n\u00ean x\u00edch d\u1eabn c\u00e1p v\u00e0 festoon c\u1ea7n h\u00e3ng x\u00edch v\u00e0 h\u00e3ng c\u00e1p x\u00e1c nh\u1eadn b\u1eb1ng v\u0103n b\u1ea3n; k\u00e9o l\u00ea tr\u00ean n\u1ec1n ho\u1eb7c \u0111\u00e1 c\u1ea7n c\u00e1p k\u00e9o l\u00ea v\u1ecf d\u00e0y (Type 240 \/ 275, TENAX-PUR c\u1ee7a FeiChun).<\/p><h3>Kh\u00e1c g\u00ec PROTOLON (M) R LWL 6\/10 kV, SMK, FL v\u00e0 TRATOSFLEX?<\/h3><p>(M) R LWL 6\/10 kV: 20\/25 N\/mm\u00b2, xo\u1eafn \u00b1100 \u00b0\/m, 120 m\/ph\u00fat, d\u00e0nh cho m\u00e1y l\u1ed9 thi\u00ean. C\u00e1p 15 kV AWG n\u00e0y c\u00f9ng c\u1ea5p k\u00e9o v\u00e0 xo\u1eafn v\u1edbi h\u1ecd SMK (20\/30 N\/mm\u00b2, \u00b125 \u00b0\/m). FL l\u00e0 c\u00e1p d\u1eb9t 15 N\/mm\u00b2, kh\u00f4ng cho xo\u1eafn, 120 m\/ph\u00fat. TRATOSFLEX-ESDB 3\u00d725 8,7\/15 kV n\u00eau 40 \/ 55 N\/mm\u00b2 v\u00e0 b\u00e1n k\u00ednh 12\u00d7\u00d8. S\u1ed1 li\u1ec7u t\u1eeb c\u00e1c h\u00e3ng kh\u00e1c nhau kh\u00f4ng so tr\u1ef1c ti\u1ebfp.<\/p><h3>V\u1ecf PCP, CPE hay PUR: ch\u1ecdn th\u1ebf n\u00e0o cho c\u1ea3ng nhi\u1ec7t \u0111\u1edbi v\u00e0 m\u1ecf?<\/h3><p>PCP 5GM5 b\u1ec1n c\u01a1 h\u1ecdc, ch\u1ecbu d\u1ea7u, ozone, UV, n\u01b0\u1edbc bi\u1ec3n nh\u01b0ng ch\u1ee9a clo v\u00e0 h\u00fat \u1ea9m 1,5 \u2013 3 % theo FeiChun. CPE nhi\u1ec7t \u0111\u1edbi h\u00f3a h\u00fat n\u01b0\u1edbc d\u01b0\u1edbi 0,5 %, ch\u1ecbu axit t\u1edbi pH 2,5. PUR g\u1ed1c polyether h\u00fat \u1ea9m d\u01b0\u1edbi 0,8 %, d\u1ebbo t\u1edbi \u221250 \u00b0C v\u00e0 b\u1ec1n th\u1ee7y ph\u00e2n, \u0111\u1ed5i l\u1ea1i ph\u1ea3i c\u00f3 ph\u1ee5 gia \u0111\u1ec3 gi\u1eef \u0111\u1ed9 b\u1ec1n x\u00e9 v\u00e0 m\u00e0i m\u00f2n. H\u00e3y y\u00eau c\u1ea7u ISO 4649, \u0111\u1ed9 b\u1ec1n x\u00e9, h\u00fat \u1ea9m v\u00e0 lo\u1ea1i polyol c\u1ee7a \u0111\u00fang v\u1ecf.<\/p><h3>C\u00f4ng ngh\u1ec7 c\u1ee7a FeiChun gi\u00fap g\u00ec cho c\u00e1p ch\u1ecbu u\u1ed1n, k\u00e9o v\u00e0 m\u00e0i m\u00f2n?<\/h3><p>FeiChun c\u00f4ng b\u1ed1 t\u1ef1 pha ch\u1ebf h\u1ee3p ch\u1ea5t PUR, CPE, EPR t\u1eeb nguy\u00ean li\u1ec7u g\u1ed1c, ru\u1ed9t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc class 5, ph\u1ea7n t\u1eed aramid, b\u1ec7n ch\u1ed1ng xo\u1eafn, EPR li\u00ean k\u1ebft ngang silane (tr\u00ean 90 % \u0111i\u1ec7n m\u00f4i sau 1 000 h \u1edf 90 \u00b0C), PUR polyether h\u00fat \u1ea9m d\u01b0\u1edbi 0,8 %, CPE h\u00fat n\u01b0\u1edbc d\u01b0\u1edbi 0,5 %, s\u1ee3i tr\u01b0\u01a1ng n\u1edf ch\u1eb7n n\u01b0\u1edbc v\u00e0 ki\u1ec3m so\u00e1t \u0111\u00f9n v\u00f2ng k\u00edn. C\u00e1c s\u1ed1 li\u1ec7u hi\u1ec7n tr\u01b0\u1eddng (Lihir, Kalimantan) l\u00e0 c\u00f4ng b\u1ed1 c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t cho c\u00e1p k\u00e9o l\u00ea Type 275; c\u1ea5u t\u1ea1o v\u00e0 s\u1ed1 li\u1ec7u th\u1eed ch\u00ednh th\u1ee9c ph\u1ea3i l\u1ea5y t\u1eeb b\u1ea3ng d\u1eef li\u1ec7u theo \u0111\u00fang m\u00e3.<\/p><h3>Ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun g\u1ed3m nh\u1eefng g\u00ec?<\/h3><p>Theo th\u00f4ng tin c\u1ee7a FeiChun: CE, UKCA, VDE, EAC, ATEX, IECEx v\u00e0 ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u00e1y c\u1ee7a Nga. C\u1ea7n xin b\u1ea3n sao theo \u0111\u00fang m\u00e3 c\u00e1p, d\u1ea3i \u0111i\u1ec7n \u00e1p, ti\u1ebft di\u1ec7n v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c; UL file E251483 v\u00e0 MSHA P-189-4 trong datasheet l\u00e0 h\u1ed3 s\u01a1 c\u1ee7a c\u00e1p Prysmian, kh\u00f4ng ph\u1ea3i ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun.<\/p><\/section>\n<section id=\"src\"><h2>Ngu\u1ed3n<\/h2><ol class=\"refs\"><li>Prysmian, PROTOLON (SM-R)-LWL AWG (N)TSKCGEWOEU 15KV, Portable Power Reeling Cable (datasheet b\u1ea3n in 10\/10\/2026: c\u1ea5u t\u1ea1o, \u0111i\u1ec7n, nhi\u1ec7t, c\u01a1, quang, b\u1ea3ng 13 c\u1ea5u t\u1ea1o AWG, UL E251483, MSHA P-189-4) <a href=\"https:\/\/datasheet.prysmian.com\/pdf\/datasheet\/en\/405189\/DE00_PROTOLON_SM_R_AWG_LWL_NTS_15KV\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Thorne & Derrick, Protolon Cable (N)TSKCGEWOEU (ru\u1ed9t v\u00e0 d\u00e2y \u0111\u1ea5t \u0111\u1ed3ng m\u1ea1 thi\u1ebfc class FS; c\u00e1ch \u0111i\u1ec7n Protolon HS \u2265 3GI3; c\u1ea5p 3,6\/6 v\u00e0 8,7\/15 kV; DIN VDE 0250-813; S 20\u00d7D) <a href=\"https:\/\/www.powerandcables.com\/product\/product-category\/protolon-cable-ntskcgewoeu\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Faber Kabel, PROTOLON (XPRT)-LWL (N)TSKCGEWOEU (c\u00e1p tang cu\u1ed1n c\u00f3 s\u1ee3i quang: xo\u1eafn, \u0111\u1ed5i h\u01b0\u1edbng nhi\u1ec1u m\u1eb7t ph\u1eb3ng, t\u1ed1c \u0111\u1ed9 cu\u1ed1n cao, n\u01b0\u1edbc bi\u1ec3n; c\u00e1c m\u00e3 3\u00d725 \/ 3\u00d735 15 kV v\u1edbi 12 \u2013 24 s\u1ee3i) <a href=\"https:\/\/shop.faberkabel.de\/en\/Flexible-wires\/Trailing-cables\/Medium-voltage-reeling-cable-Protolon-XPRT-LWL-N-TSKCGEWOEU\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>LAPP, T12 Current ratings (VDE 0298-4: h\u1ec7 s\u1ed1 c\u00e1p qu\u1ea5n tr\u00ean tang 0,80 \/ 0,61 \/ 0,49 \/ 0,42 \/ 0,38) <a href=\"https:\/\/t3.lappcdn.com\/fileadmin\/catalog\/en_T_pdf\/T12_Current_ratings__basic_table_int.pdf\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>MSHA, Program Information Bulletin P10-20 (qu\u00e1 nhi\u1ec7t c\u00e1p l\u1edbp tr\u00ean tang; h\u1ec7 s\u1ed1 ICEA 85 \/ 65 \/ 45 \/ 35 % cho 1 \u2013 4 l\u1edbp; MSHA kh\u00f4ng d\u00f9ng h\u1ec7 s\u1ed1 khi x\u00e9t ch\u1ea5p thu\u1eadn) <a href=\"https:\/\/www.msha.gov\/sites\/default\/files\/Directive%20%26%20Guidance\/PIbs\/P10-20%20PIB.pdf\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>eCFR, 30 CFR Part 7 Subpart K: Electric Cables, Signaling Cables, and Cable Splice Kits (y\u00eau c\u1ea7u ch\u1ed1ng ch\u00e1y cho ch\u1ea5p thu\u1eadn c\u00e1p; m\u1ee5c 7.407) <a href=\"https:\/\/www.ecfr.gov\/current\/title-30\/chapter-I\/subchapter-B\/part-7\/subpart-K\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>The Fiber Optic Association, Specifications for Fiber Optic Networks (kho\u1ea3ng c\u00e1ch \u1ee9ng d\u1ee5ng theo lo\u1ea1i s\u1ee3i OM1 \u2013 OM4 v\u00e0 \u0111\u01a1n mode) <a href=\"https:\/\/foa.org\/tech\/Linkspec.htm\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Extreme Networks, Cable Distances and Types (1000BASE-SX \/ LX, 10GBASE-SR \/ LR theo MHz\u00b7km v\u00e0 lo\u1ea1i s\u1ee3i) <a href=\"https:\/\/documentation.extremenetworks.com\/summit\/GUID-0F73DB5D-71A5-4895-AB33-CFA0AAA323B2.shtml\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Faber Kabel, Nexans Rheycord-OFE SR (c\u00e1p quang tang cu\u1ed1n: \u1ed1ng ch\u1ee9a gel, l\u00f5i \u0111\u1ee1 th\u00e9p, b\u1ec7n ch\u1ed1ng xo\u1eafn, \u00b1120 \u00b0\/m, 10\u00d7\u00d8, 240 m\/ph\u00fat, 4 000 N) <a href=\"https:\/\/shop.faberkabel.de\/out\/downloads\/uploads\/EN\/dbl_rheycord-ofe_sr.pdf\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Prysmian, FIBER-FLEX Optical Fiber Festooning Cable (\u1ed1ng \u0111\u1ec7m ch\u1ee9a gel, m\u1ed9t s\u1ee3i m\u1ed7i \u1ed1ng, b\u1ec7n b\u01b0\u1edbc ng\u1eafn quanh l\u00f5i th\u1ee7y tinh epoxy) <a href=\"https:\/\/na.prysmian.com\/sites\/na.prysmian.com\/files\/media\/products\/SPL-CRN-0012-FIBER-FLEX-Cable.pdf\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Gallagher, What\u2019s the Difference Between Polyester and Polyether? (polyether b\u1ec1n th\u1ee7y ph\u00e2n, \u1ed5n \u0111\u1ecbnh trong n\u01b0\u1edbc t\u1edbi kho\u1ea3ng 50 \u00b0C; polyester b\u1ec1n k\u00e9o, x\u00e9, c\u1eaft cao h\u01a1n) v\u00e0 US Patent 5,668,223 (n\u1ec1n: polyurethane polyester k\u00e9m b\u1ec1n th\u1ee7y ph\u00e2n h\u01a1n polyether) <a href=\"https:\/\/gallaghercorp.com\/?p=4664\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun, About Feichun Cable (t\u1ef1 pha ch\u1ebf h\u1ee3p ch\u1ea5t, v\u00f2ng k\u00edn, \u0111i\u1ec3m ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, tropical h\u00f3a, ca Lihir v\u00e0 Kalimantan; tr\u00edch PMC9152389, MDPI Fire 2023, Allen 1992) <a href=\"https:\/\/feichuncables.com\/blog\/about-feichun-cable\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun, What Is Feichun VDE 0250 Reeling Cable? (k\u00fd hi\u1ec7u VDE, (N)TSKCGEW\u00d6U, ch\u1ed1ng xo\u1eafn, \u0111\u00f9n ba l\u1edbp, BUFLEX-M, TENAX-PUR, PUR polyether, s\u1ed1 li\u1ec7u PEMA) <a href=\"https:\/\/feichuncables.com\/blog\/what-is-feichun-vde-0250-reeling-cable\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun, PROTOLON (M) R-(N)TSCGEW\u00d6U LWL 6\/10 kV (s\u1ed1 li\u1ec7u datasheet 6\/10 kV, tang mono-spiral, so s\u00e1nh TRATOSFLEX v\u00e0 Rheyfirm, b\u00e0i k\u1ef9 thu\u1eadt 09\/10\/2026) <a href=\"https:\/\/feichuncables.com\/blog\/protolon-m-r-ntscgewou-lwl-6-10-kv-cap-tang-cuon-trung-the-tich-hop-soi-quang-cho-may-xuc-may-nghien-di-dong-va-thiet-bi-cang-con-so-nao-quyet-dinh-khi-chon-cap-chiu-keo-chiu-xoan-va-chong-ma\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun, PROTOLON(FL)-LWL (N)TSFLCGEW\u00d6U 3,6\/6 ho\u1eb7c 6\/10 kV (c\u00e1p d\u1eb9t c\u00f3 s\u1ee3i quang; b\u1ea3ng SMK 2 100 N, \u00b125 \u00b0\/m) <a href=\"https:\/\/feichuncables.com\/blog\/protolonfl-lwl-ntsflcgewou-36-6-hoac-6-10-kv-3x354x25-4efo-cap-tang-cuon-det-trung-the-tich-hop-soi-quang-cho-cau-cang-may-xuc-va-thiet-bi-mo\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun, C\u00e1p tang cu\u1ed1n, c\u00e1p cu\u1ed9n v\u00e0 c\u00e1p k\u00e9o l\u00ea ch\u1ecbu k\u00e9o, ch\u1ecbu m\u00e0i m\u00f2n cho c\u1ea9u c\u1ea3ng v\u00e0 m\u1ecf (b\u1ea3ng v\u1eadt li\u1ec7u v\u1ecf; PROTOLON(SMK) 6\/10 kV 3\u00d725: k\u00e9o 20 \/ 30 N\/mm\u00b2, xo\u1eafn \u00b125 \u00b0\/m) <a href=\"https:\/\/feichuncables.com\/blog\/cap-tang-cuon-cap-cuon-va-cap-keo-le-chiu-keo-chiu-mai-mon-cho-cau-cang-va-mo-nshtou-nshtou-v-ngflgou-pur-ntscgewou-con-so-nao-quyet-dinh-khi-chon-va-thiet-ke-cua-feichun\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>B\u1eb1ng s\u00e1ng ch\u1ebf US 10,214,645, b\u1ea3ng gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh c\u1ee7a v\u1ecf c\u00e1p m\u1ecf (\u0111\u1ed9 b\u1ec1n k\u00e9o, x\u00e9 r\u00e1ch, ch\u1ec9 s\u1ed1 m\u00e0i m\u00f2n ISO 4649); \u0111\u1ecdc qua b\u00e0i FeiChun [16] <a href=\"https:\/\/patents.justia.com\/patent\/10214645\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun Cable: th\u00f4ng tin v\u1ec1 ch\u1ee9ng nh\u1eadn c\u1ee7a c\u00f4ng ty (\u0111\u0103ng tr\u00ean c\u00e1c trang k\u1ef9 thu\u1eadt c\u1ee7a feichuncables.com).<\/li><\/ol><p class=\"small\">T\u00ean ti\u00eau chu\u1ea9n v\u00e0 th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a b\u00ean th\u1ee9 ba ch\u1ec9 d\u00f9ng \u0111\u1ec3 nh\u1eadn di\u1ec7n k\u1ef9 thu\u1eadt, kh\u00f4ng h\u00e0m \u00fd li\u00ean k\u1ebft. S\u1ed1 li\u1ec7u c\u00e1c ngu\u1ed3n c\u00f3 th\u1ec3 kh\u00e1c nhau; h\u00e3y \u0111\u1ed1i chi\u1ebfu v\u1edbi phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh v\u00e0 b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a FeiChun cho \u0111\u00fang m\u00e3 v\u00e0 l\u00f4 h\u00e0ng.<\/p><\/section>\n<\/main>\n<footer><div class=\"wrap\"><div class=\"tag\">FEICHUN CABLE<\/div><p><strong>Tech@feichuncables.com<\/strong><br><strong>+86 13855123218<\/strong><\/p><p class=\"small\">PROTOLON (SM-R)-LWL AWG (N)TSKCGEW\u00d6U 15 kV – b\u00e0i k\u1ef9 thu\u1eadt, c\u1eadp nh\u1eadt 10\/10\/2026.<\/p><\/div><\/footer>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"B\u00e0i vi\u1ebft ph\u00e2n t\u00edch c\u00e1p tang cu\u1ed1n trung th\u1ebf 15 kV c\u00e1ch \u0111i\u1ec7n EPR c\u00f3 l\u1edbp b\u00e1n d\u1eabn, v\u1ecf polychloroprene gia c\u01b0\u1eddng b\u1ec7n polyester v\u00e0 ph\u1ea7n t\u1eed quang t\u00edch h\u1ee3p, ki\u1ec3m tra b\u1eb1ng t\u00ednh to\u00e1n c\u00e1c th\u00f4ng s\u1ed1 trong datasheet (\u0111\u1ed5i AWG sang mm\u00b2, l\u1ef1c k\u00e9o v\u00e0 chi\u1ec1u d\u00e0i treo, b\u00e1n k\u00ednh u\u1ed1n v\u00e0 l\u00f5i tang, d\u00f2ng theo nhi\u1ec7t \u0111\u1ed9 v\u00e0 s\u1ed1 l\u1edbp tang theo VDE 0298-4 so v\u1edbi ICEA, s\u1ee5t \u00e1p, ng\u1eafn m\u1ea1ch, \u0111i\u1ec7n \u00e1p th\u1eed, qu\u1ef9 suy hao quang v\u00e0 t\u1ea7m v\u1edbi Ethernet), \u0111\u1ed1i chi\u1ebfu v\u1edbi PROTOLON (M) R LWL 6\/10 kV, SMK, FL v\u00e0 c\u00e1c c\u00e1p tang cu\u1ed1n c\u1ee7a h\u00e3ng kh\u00e1c, ph\u00e2n \u0111\u1ecbnh ranh gi\u1edbi s\u1eed d\u1ee5ng (tang, m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u, x\u00edch d\u1eabn c\u00e1p, k\u00e9o l\u00ea, \u0111\u1ed5i h\u01b0\u1edbng ch\u1eef S), tr\u00ecnh b\u00e0y c\u00f4ng ngh\u1ec7 h\u1ee3p ch\u1ea5t t\u1ef1 pha ch\u1ebf, ru\u1ed9t m\u1ea1 thi\u1ebfc, ch\u1ed1ng xo\u1eafn, tropical h\u00f3a v\u00e0 ki\u1ec3m so\u00e1t s\u1ea3n xu\u1ea5t c\u1ee7a FeiChun cho c\u00e1p m\u1ecf ch\u1ecbu k\u00e9o, ch\u1ecbu u\u1ed1n v\u00e0 m\u00e0i m\u00f2n, v\u00e0 n\u00eau danh m\u1ee5c h\u1ed3 s\u01a1 c\u1ea7n y\u00eau c\u1ea7u, g\u1ed3m b\u1ed9 ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun.","protected":false},"author":1,"featured_media":78297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[67084],"tags":[16,111,17],"class_list":["post-78296","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cap-cuon","tag-din-vde-0250","tag-mining-cable","tag-reeling-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/78296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/comments?post=78296"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/78296\/revisions"}],"predecessor-version":[{"id":78298,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/78296\/revisions\/78298"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/78297"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=78296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=78296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=78296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":78296,"date":"2026-10-10T10:38:16","date_gmt":"2026-10-10T02:38:16","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=78296"},"modified":"2026-10-10T10:38:26","modified_gmt":"2026-10-10T02:38:26","slug":"protolon-sm-r-lwl-awg-ntskcgewou-15-kv-cap-tang-cuon-trung-the-15-kv-co-awg-tich-hop-soi-quang-cho-may-rai-thu-hoi-cau-container-va-may-xep-do-tau-con-so-nao-quyet-dinh-khi-c","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/protolon-sm-r-lwl-awg-ntskcgewou-15-kv-cap-tang-cuon-trung-the-15-kv-co-awg-tich-hop-soi-quang-cho-may-rai-thu-hoi-cau-container-va-may-xep-do-tau-con-so-nao-quyet-dinh-khi-c\/","title":{"rendered":"PROTOLON (SM-R)-LWL AWG (N)TSKCGEW\u00d6U 15 kV: c\u00e1p tang cu\u1ed1n trung th\u1ebf 15 kV c\u1ee1 AWG t\u00edch h\u1ee3p s\u1ee3i quang cho m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container v\u00e0 m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u \u2013 con s\u1ed1 n\u00e0o quy\u1ebft \u0111\u1ecbnh khi ch\u1ecdn c\u00e1p ch\u1ecbu k\u00e9o, ch\u1ecbu xo\u1eafn v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n, v\u00e0 c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u c\u1ee7a FeiChun cho c\u00e1p m\u1ecf ch\u1ecbu u\u1ed1n, k\u00e9o v\u00e0 m\u00e0i m\u00f2n"},"content":{"rendered":"\n