{"id":78303,"date":"2026-10-10T11:32:14","date_gmt":"2026-10-10T03:32:14","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=78303"},"modified":"2026-10-10T11:32:25","modified_gmt":"2026-10-10T03:32:25","slug":"protolon-sm-r-awg-ntscgewou-8-kv-va-15-kv-cap-tang-cuon-trung-the-co-awg-khong-soi-quang-cho-may-rai-thu-hoi-cau-container-va-may-xep-do-tau-chon-8-kv-hay-15-kv-con-so-nao-q","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/protolon-sm-r-awg-ntscgewou-8-kv-va-15-kv-cap-tang-cuon-trung-the-co-awg-khong-soi-quang-cho-may-rai-thu-hoi-cau-container-va-may-xep-do-tau-chon-8-kv-hay-15-kv-con-so-nao-q\/","title":{"rendered":"PROTOLON (SM-R) AWG (N)TSCGEW\u00d6U 8 kV v\u00e0 15 kV: c\u00e1p tang cu\u1ed1n trung th\u1ebf c\u1ee1 AWG kh\u00f4ng 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 ch\u1ecdn 8 kV hay 15 kV, 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<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"222b2d\" data-has-transparency=\"false\" style=\"--dominant-color: #222b2d;\" loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"518\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056-1200x518.avif\" alt=\"\" class=\"wp-image-78304 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056-1200x518.avif 1200w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056-300x130.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056-767x331.avif 767w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056-1536x663.avif 1536w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056-398x172.avif 398w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056-799x345.avif 799w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056-831x359.avif 831w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056-1248x538.avif 1248w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-2056.avif 1577w\" \/><\/figure>\n\n\n\n<!DOCTYPE html><html lang=\"vi\"><head><meta charset=\"utf-8\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1, viewport-fit=cover\"><meta name=\"description\" content=\"PROTOLON (SM-R) AWG (N)TSCGEW\u00d6U 8 kV v\u00e0 15 kV: c\u00e1p tang cu\u1ed1n trung th\u1ebf c\u1ee1 AWG, hai d\u00e2y PE v\u00e0 d\u00e2y ground check, kh\u00f4ng s\u1ee3i quang, cho m\u00e1y r\u1ea3i \u2013 thu h\u1ed3i, c\u1ea9u container, m\u00e1y x\u1ebfp d\u1ee1 t\u00e0u; ki\u1ec3m tra b\u1ea3ng AWG sang mm\u00b2, l\u1ef1c k\u00e9o 20\/30 N\/mm\u00b2, chi\u1ec1u d\u00e0i treo, b\u00e1n k\u00ednh 10\u00d7D, s\u1ee9c ch\u1ee9a tang, d\u00f2ng theo s\u1ed1 l\u1edbp tang VDE v\u00e0 ICEA, s\u1ee5t \u00e1p, ng\u1eafn m\u1ea1ch d\u00e2y PE m\u1ea1 thi\u1ebfc, ch\u1ecdn 8 kV hay 15 kV, so s\u00e1nh v\u1edbi b\u1ea3n LWL, ICEA SHD-GC, SMK, (M) R LWL, FL, v\u1ecf PCP, CPE, PUR, c\u00f4ng ngh\u1ec7 h\u1ee3p ch\u1ea5t t\u1ef1 pha ch\u1ebf, ru\u1ed9t m\u1ea1 thi\u1ebfc, ch\u1ed1ng xo\u1eafn v\u00e0 tropical h\u00f3a c\u1ee7a FeiChun cho c\u00e1p m\u1ecf ch\u1ecbu u\u1ed1n, k\u00e9o v\u00e0 m\u00e0i m\u00f2n, v\u00e0 b\u1ed9 ch\u1ee9ng nh\u1eadn CE, UKCA, VDE, EAC, ATEX, IECEx.\"><meta name=\"keywords\" content=\"PROTOLON SM-R AWG 8kV, PROTOLON SM-R AWG 15kV, (N)TSCGEWOEU 8kV 15kV, c\u00e1p tang cu\u1ed1n 8 kV, c\u00e1p tang cu\u1ed1n 15 kV, c\u00e1p tang cu\u1ed1n trung th\u1ebf AWG, c\u00e1p m\u00e1y r\u1ea3i thu h\u1ed3i, c\u00e1p c\u1ea9u RMG RTG, c\u00e1p m\u00e1y d\u1ee1 t\u00e0u, AWG sang mm2 c\u00e1p, h\u1ec7 s\u1ed1 gi\u1ea3m d\u00f2ng tang cu\u1ed1n, ground check, d\u00e2y pilot, ICEA S-75-381, SHD-GC, DIN VDE 0250-813, VDE 0298-4, FeiChun Cable, \u98de\u7eaf\u7535\u7f06, mining reeling cable 8kV 15kV\"><title>PROTOLON (SM-R) AWG (N)TSCGEW\u00d6U 8 kV v\u00e0 15 kV: c\u00e1p tang cu\u1ed1n trung th\u1ebf c\u1ee1 AWG kh\u00f4ng 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 ch\u1ecdn 8 kV hay 15 kV, 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 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(N)TSCGEW\u00d6U 8 kV v\u00e0 15 kV: c\u00e1p tang cu\u1ed1n trung th\u1ebf c\u1ee1 AWG kh\u00f4ng 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 ch\u1ecdn 8 kV hay 15 kV, 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 \", \"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) AWG (N)TSCGEW\u00d6U 8 kV v\u00e0 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 c\u1ee1 AWG, kh\u00f4ng c\u00f3 s\u1ee3i quang: 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 b\u1ec7n c\u00f9ng hai d\u00e2y PE v\u00e0 m\u1ed9t d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba (ground check), v\u1ecf trong PCP 5GM3, b\u1ec7n polyester, v\u1ecf ngo\u00e0i PCP 5GM5 v\u1edbi b\u1ec1 d\u00e0y theo ICEA. B\u1ea3n 8 kV th\u1eed 18 kV, b\u1ea3n 15 kV th\u1eed 29 kV, m\u1ed7i b\u1ea3n c\u00f3 7 c\u1ea5u t\u1ea1o t\u1eeb 4 AWG t\u1edbi 4\/0 AWG. 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; k\u00e9o 20 N\/mm\u00b2 t\u0129nh, 30 N\/mm\u00b2 \u0111\u1ed9ng, xo\u1eafn \u00b125 \u00b0\/m.\"}}, {\"@type\": \"Question\", \"name\": \"Ch\u1ecdn c\u00e1p 8 kV hay 15 kV cho l\u01b0\u1edbi 6,6, 6,9 hay 11 kV?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\u0110i\u1ec7n \u00e1p ghi tr\u00ean c\u00e1p theo ICEA\/NEMA l\u00e0 \u0111i\u1ec7n \u00e1p d\u00e2y\u2013d\u00e2y. Theo th\u00f4ng l\u1ec7 B\u1eafc M\u1ef9 v\u1edbi m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100 %: l\u01b0\u1edbi 6,0 \u2013 7,2 kV (6,6 v\u00e0 6,9 kV) d\u00f9ng c\u1ea5p 8 kV; l\u01b0\u1edbi 10, 11 v\u00e0 13,8 kV d\u00f9ng c\u1ea5p 15 kV; l\u01b0\u1edbi 3,3 v\u00e0 4,16 kV d\u00f9ng c\u1ea5p 5 kV. L\u01b0\u1edbi trung t\u00ednh c\u00e1ch ly ho\u1eb7c ch\u1ea1m \u0111\u1ea5t t\u1ed3n t\u1ea1i l\u00e2u c\u1ea7n m\u1ee9c c\u00e1ch \u0111i\u1ec7n 133 % ho\u1eb7c 173 %, th\u01b0\u1eddng l\u00ean c\u1ea5p k\u1ebf ti\u1ebfp. Datasheet kh\u00f4ng n\u00eau m\u1ee9c 100\/133 %, n\u00ean ph\u1ea3i h\u1ecfi nh\u00e0 s\u1ea3n xu\u1ea5t.\"}}, {\"@type\": \"Question\", \"name\": \"3\u00d74\/0 AWG t\u01b0\u01a1ng \u0111\u01b0\u01a1ng bao nhi\u00eau mm\u00b2? \u0110\u1ed5i AWG sang mm\u00b2 th\u1ebf n\u00e0o?\", \"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 v\u00e0 2\/0 AWG n\u1eb1m trong \u00b15 % c\u1ee7a m\u1ed9t c\u1ee1 m\u00e9t (35 v\u00e0 70 mm\u00b2); 4, 1, 3\/0 v\u00e0 4\/0 AWG th\u1ea5p h\u01a1n c\u1ee1 m\u00e9t g\u1ea7n nh\u1ea5t 10 \u2013 15 %, 1\/0 AWG cao h\u01a1n 7 %, 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). C\u00e1p 8 kV nh\u1eb9 h\u01a1n n\u00ean treo d\u00e0i h\u01a1n c\u00e1p 15 kV: 3\u00d74\/0 AWG treo th\u1eb3ng \u0111\u1ee9ng \u0111\u01b0\u1ee3c kho\u1ea3ng 74 m \u1edf 8 kV v\u00e0 61 m \u1edf 15 kV; 3\u00d74 AWG kho\u1ea3ng 36 m v\u00e0 30 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 8 kV (\u00d8 l\u1edbn nh\u1ea5t 61,0 mm): R chuy\u1ec3n \u0111\u1ed9ng 610 mm, l\u00f5i tang t\u1ed1i thi\u1ec3u 1 220 mm, kho\u1ea3ng c\u00e1ch ch\u1eef S 1 220 mm; 3\u00d74\/0 AWG 15 kV (81,5 mm): 815 mm v\u00e0 1 630 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? C\u00e1p 15 kV c\u00f3 mang nhi\u1ec1u d\u00f2ng h\u01a1n 8 kV kh\u00f4ng?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"D\u00f2ng trong datasheet l\u00e0 d\u00f2ng theo VDE 0298-4 \u0111\u1eb7t t\u1ef1 do \u1edf 30 \u00b0C, v\u00e0 gi\u1ed1ng h\u1ec7t \u1edf 8 kV v\u00e0 15 kV (132 A \u1edf 4 AWG \u0111\u1ebfn 364 A \u1edf 4\/0 AWG). 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 (364 A) \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\": \"Ru\u1ed9t m\u1ea1 thi\u1ebfc ch\u1ecbu ng\u1eafn m\u1ea1ch bao nhi\u00eau: k = 143 hay 122?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Datasheet ghi nhi\u1ec7t \u0111\u1ed9 ng\u1eafn m\u1ea1ch 250 \u00b0C \u1ee9ng v\u1edbi k = 143. B\u1ea3ng VDE 0298-4 (qua LAPP) gi\u1edbi h\u1ea1n ru\u1ed9t m\u1ea1 thi\u1ebfc \u1edf 200 \u00b0C, \u1ee9ng v\u1edbi k = 122, t\u1ee9c m\u1eadt \u0111\u1ed9 d\u00f2ng 1 s l\u00e0 122 A\/mm\u00b2. V\u1edbi hai d\u00e2y PE 2\u00d74 AWG (c\u00e1p 3\u00d71\/0 AWG), gi\u00e1 tr\u1ecb an to\u00e0n l\u00e0 5,17 kA trong 1 s thay v\u00ec 6,05 kA. H\u00e3y h\u1ecfi h\u00e3ng c\u00e1p k \u00e1p d\u1ee5ng cho ru\u1ed9t m\u1ea1 thi\u1ebfc c\u1ee7a m\u00e3 \u0111\u1eb7t h\u00e0ng.\"}}, {\"@type\": \"Question\", \"name\": \"V\u00ec sao c\u00e1p c\u00f3 hai d\u00e2y PE v\u00e0 m\u1ed9t d\u00e2y ground check?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"D\u00e2y PE mang d\u00f2ng ch\u1ea1m \u0111\u1ea5t; d\u00e2y ground check (pilot) cho r\u01a1-le gi\u00e1m s\u00e1t ti\u1ebfp \u0111\u1ecba bi\u1ebft PE c\u00f2n nguy\u00ean v\u1eb9n. R\u01a1-le ch\u1ec9 cho \u0111\u00f3ng \u0111i\u1ec7n khi m\u1ea1ch pilot \u2013 PE \u2013 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i c\u00f3 \u0111\u00fang \u0111\u1eb7c t\u00ednh v\u00e0 nh\u1ea3 khi PE ho\u1eb7c pilot \u0111\u1ee9t, pilot ch\u1ea1m \u0111\u1ea5t ho\u1eb7c \u0111\u1ea7u cu\u1ed1i b\u1ecb g\u1ee1. B\u1ed9 n\u1ed1i c\u00e1p ph\u1ea3i l\u00e0m d\u00e2y pilot \u0111\u1ee9t tr\u01b0\u1edbc, d\u00e2y PE \u0111\u1ee9t sau.\"}}, {\"@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 3,6 \u2013 10,8 kg\/m, \u00d8 46,7 \u2013 81,5 mm, R \u2265 10\u00d7D 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 b\u1ea3n c\u00f3 s\u1ee3i quang (LWL), c\u00e1p m\u1ecf ICEA SHD-GC, PROTOLON (M) R LWL, SMK v\u00e0 FL?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"So v\u1edbi b\u1ea3n (SM-R)-LWL c\u00f9ng 8 kV, c\u00e1p n\u00e0y nh\u1ecf h\u01a1n kho\u1ea3ng 3 \u2013 6 % v\u1ec1 \u00d8 v\u00ec kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed quang. So v\u1edbi SHD-GC c\u00f9ng c\u1ea5p, \u0111\u01b0\u1eddng k\u00ednh v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ch\u00eanh v\u00e0i ph\u1ea7n tr\u0103m, nh\u01b0ng PROTOLON c\u00f3 b\u1ec7n polyester v\u00e0 v\u1ecf cho tang. (M) R LWL 6\/10 kV: 20\/25 N\/mm\u00b2, xo\u1eafn \u00b1100 \u00b0\/m, 120 m\/ph\u00fat, cho m\u00e1y l\u1ed9 thi\u00ean. SMK: 30 N\/mm\u00b2, 240 m\/ph\u00fat. FL l\u00e0 c\u00e1p d\u1eb9t 15 N\/mm\u00b2, kh\u00f4ng cho xo\u1eafn. 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><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) AWG (N)TSCGEW\u00d6U 8 kV v\u00e0 15 kV: c\u00e1p tang cu\u1ed1n trung th\u1ebf c\u1ee1 AWG kh\u00f4ng 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 ch\u1ecdn 8 kV hay 15 kV, 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 hai c\u1ea5p \u0111i\u1ec7n \u00e1p c\u1ee7a h\u1ecd c\u00e1p tang cu\u1ed1n trung th\u1ebf c\u00e1ch \u0111i\u1ec7n EPR c\u00f3 l\u1edbp b\u00e1n d\u1eabn, v\u1ecf polychloroprene gia c\u01b0\u1eddng b\u1ec7n polyester, ba l\u00f5i c\u00f4ng su\u1ea5t b\u1ec7n c\u00f9ng hai d\u00e2y PE v\u00e0 m\u1ed9t d\u00e2y ground check, kh\u00f4ng c\u00f3 s\u1ee3i quang: b\u1ea3n 8 kV (7 c\u1ea5u t\u1ea1o, 4 AWG \u0111\u1ebfn 4\/0 AWG) v\u00e0 b\u1ea3n 15 kV (7 c\u1ea5u t\u1ea1o c\u00f9ng d\u1ea3i c\u1ee1). C\u00e1c th\u00f4ng s\u1ed1 trong hai datasheet \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng t\u00ednh to\u00e1n (\u0111\u1ed5i AWG sang mm\u00b2, l\u1ef1c k\u00e9o v\u00e0 chi\u1ec1u d\u00e0i treo, b\u00e1n k\u00ednh u\u1ed1n, l\u00f5i tang v\u00e0 s\u1ee9c ch\u1ee9a 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 c\u1ee7a d\u00e2y PE m\u1ea1 thi\u1ebfc, \u0111i\u1ec7n \u00e1p th\u1eed), \u0111\u1ed1i chi\u1ebfu v\u1edbi b\u1ea3n LWL c\u00f3 s\u1ee3i quang, v\u1edbi c\u00e1p m\u1ecf ICEA SHD-GC v\u00e0 c\u00e1c h\u1ecd c\u00e1p tang cu\u1ed1n kh\u00e1c, h\u01b0\u1edbng d\u1eabn ch\u1ecdn 8 kV hay 15 kV theo \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi, 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), gi\u1ea3i th\u00edch m\u1ea1ch gi\u00e1m s\u00e1t ground check, 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\">8 kV (U = 8&nbsp;000 V) \u00b7 th\u1eed 18 kV<\/span><span class=\"badge\">15 kV (U = 15&nbsp;000 V) \u00b7 th\u1eed 29 kV<\/span><span class=\"badge\">3 ru\u1ed9t 4 AWG \u2013 4\/0 AWG (21 \u2013 107 mm\u00b2)<\/span><span class=\"badge\">2 d\u00e2y PE + 1 d\u00e2y ground check<\/span><span class=\"badge\">Kh\u00f4ng s\u1ee3i quang<\/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\">FeiChun: CE \u00b7 UKCA \u00b7 VDE \u00b7 EAC \u00b7 ATEX \u00b7 IECEx<\/span><\/div><\/div><\/header><main class=\"wrap\"><div class=\"provenance\"><strong>Ngu\u1ed3n d\u1eef li\u1ec7u.<\/strong> C\u1ea5u t\u1ea1o, th\u00f4ng s\u1ed1 \u0111i\u1ec7n \u2013 c\u01a1 v\u00e0 b\u1ea3ng k\u00edch th\u01b0\u1edbc l\u1ea5y t\u1eeb datasheet Prysmian PROTOLON (SM-R) AWG (N)TSCGEWOEU 8KV<sup class=\"ref-n\">[1]<\/sup> v\u00e0 15KV<sup class=\"ref-n\">[2]<\/sup> (b\u1ea3n in 10\/10\/2026), \u0111\u1ed1i chi\u1ebfu v\u1edbi b\u1ea3n (SM-R)-LWL c\u00f9ng h\u1ecd<sup class=\"ref-n\">[3]<\/sup>; h\u1ec7 s\u1ed1 gi\u1ea3m d\u00f2ng theo nhi\u1ec7t \u0111\u1ed9, theo s\u1ed1 l\u1edbp tang v\u00e0 m\u1eadt \u0111\u1ed9 d\u00f2ng ng\u1eafn m\u1ea1ch theo VDE 0298-4 qua b\u1ea3ng c\u1ee7a LAPP<sup class=\"ref-n\">[4]<\/sup>; h\u1ec7 s\u1ed1 ICEA v\u00e0 quan \u0111i\u1ec3m c\u1ee7a MSHA v\u1ec1 qu\u00e1 nhi\u1ec7t c\u00e1p tr\u00ean tang<sup class=\"ref-n\">[5]<\/sup>; b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n, k\u00edch th\u01b0\u1edbc v\u00e0 d\u00f2ng c\u1ee7a c\u00e1p m\u1ecf ICEA S-75-381 lo\u1ea1i SHD-GC theo b\u1ea3ng c\u1ee7a IEWC<sup class=\"ref-n\">[6]<\/sup>; m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100 \/ 133 \/ 173 % v\u00e0 c\u00e1ch ghi \u0111i\u1ec7n \u00e1p d\u00e2y\u2013d\u00e2y theo Okonite<sup class=\"ref-n\">[7]<\/sup>; th\u00f4ng tin v\u1ec1 DIN VDE 0250-813 theo trang DIN<sup class=\"ref-n\">[8]<\/sup>; nguy\u00ean l\u00fd gi\u00e1m s\u00e1t ground check theo t\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf v\u00e0 quy \u0111\u1ecbnh MSHA<sup class=\"ref-n\">[9]<\/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\">[10]<\/sup><sup class=\"ref-n\">[11]<\/sup><sup class=\"ref-n\">[12]<\/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, s\u1ee9c ch\u1ee9a tang, d\u00f2ng theo nhi\u1ec7t \u0111\u1ed9 v\u00e0 s\u1ed1 l\u1edbp, s\u1ee5t \u00e1p, ng\u1eafn m\u1ea1ch) do t\u00e1c gi\u1ea3 t\u00ednh theo c\u00f4ng th\u1ee9c trong b\u00e0i. <b>PROTOLON 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 b\u1ec1 d\u00e0y v\u1ecf theo 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 tr\u1edf d\u00e2y pilot, \u0111i\u1ec7n \u00e1p th\u1eed, m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100\/133 %, 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 (m\u1ee5c 3).<\/div><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, hai d\u00e2y PE v\u00e0 ground check<\/a><\/li><li><a href=\"#s3\">Th\u00f4ng s\u1ed1 theo datasheet v\u00e0 nh\u1eefng ch\u1ed7 c\u1ea7n l\u01b0u \u00fd<\/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\">Ch\u1ecdn 8 kV hay 15 kV<\/a><\/li><li><a href=\"#s7\">So s\u00e1nh v\u1edbi b\u1ea3n LWL, c\u00e1p m\u1ecf ICEA SHD-GC v\u00e0 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\">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=\"#s6\">C\u00e1p 8 kV hay 15 kV cho l\u01b0\u1edbi 6,6 \/ 6,9 \/ 11 kV?<\/a><\/li><li><a href=\"#s5\">C\u00e1p tang cu\u1ed1n 8 kV v\u00e0 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, kho\u1ea3ng c\u00e1ch ch\u1eef S v\u00e0 s\u1ee9c ch\u1ee9a tang?<\/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=\"#s2\">V\u00ec sao c\u00f3 hai d\u00e2y PE v\u00e0 d\u00e2y ground check? Ru\u1ed9t m\u1ea1 thi\u1ebfc k = 143 hay 122?<\/a><\/li><li><a href=\"#s7\">Kh\u00e1c g\u00ec b\u1ea3n LWL, c\u00e1p m\u1ecf ICEA SHD-GC, (M) R LWL, SMK, FL?<\/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><section id=\"s1\"><h2>1. T\u1ed5ng quan v\u00e0 c\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u<\/h2>\n<p>PROTOLON (SM-R) AWG (N)TSCGEWOEU 8 kV v\u00e0 15 kV l\u00e0 c\u00e1p tang cu\u1ed1n trung th\u1ebf di \u0111\u1ed9ng c\u1ee1 AWG, <b>kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed s\u1ee3i quang<\/b>: ba l\u00f5i EPR c\u00f3 b\u00e1n d\u1eabn trong v\u00e0 ngo\u00e0i, hai d\u00e2y PE v\u00e0 m\u1ed9t d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba, b\u1ec7n polyester, v\u1ecf ngo\u00e0i polychloroprene t\u1ed1i thi\u1ec3u 5GM5 v\u1edbi b\u1ec1 d\u00e0y 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, v\u1edbi \u1ee9ng d\u1ee5ng l\u00e0 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><sup class=\"ref-n\">[2]<\/sup>. C\u00f9ng h\u1ecd c\u00f3 b\u1ea3n (SM-R)-LWL t\u00edch h\u1ee3p s\u1ee3i quang, \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch trong <a href=\"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\/\" target=\"_blank\" rel=\"noopener\">b\u00e0i v\u1ec1 PROTOLON (SM-R)-LWL AWG 15 kV<\/a>.<\/p>\n<p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> S\u00e1u \u0111i\u1ec1u c\u1ea7n nh\u1edb ngay t\u1eeb \u0111\u1ea7u:<\/p><ol>\n<li><b>C\u1ea5p 8 kV v\u00e0 15 kV l\u00e0 c\u1ea5p \u0111i\u1ec7n \u00e1p ki\u1ec3u B\u1eafc M\u1ef9.<\/b> Theo quy \u01b0\u1edbc ICEA\/NEMA, \u0111i\u1ec7n \u00e1p ghi tr\u00ean c\u00e1p l\u00e0 \u0111i\u1ec7n \u00e1p d\u00e2y\u2013d\u00e2y (c\u00e1p 15 kV ch\u1ec9 ch\u1ecbu 8,66 kV d\u00e2y\u2013\u0111\u1ea5t \u1edf m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100 %)<sup class=\"ref-n\">[7]<\/sup>, kh\u00e1c c\u00e1ch ghi U0\/U c\u1ee7a VDE (v\u00ed d\u1ee5 6\/10 kV). V\u00ec v\u1eady c\u00e1p n\u00e0y c\u00f3 h\u1ed3 s\u01a1 UL, MSHA v\u00e0 b\u1ec1 d\u00e0y v\u1ecf theo ICEA, nh\u01b0ng v\u1eabn \u00abd\u1ef1a tr\u00ean DIN VDE 0250-813\u00bb v\u00e0 t\u00ednh d\u00f2ng theo VDE 0298-4: hai h\u1ec7 ti\u00eau chu\u1ea9n v\u1edbi h\u1ec7 s\u1ed1 gi\u1ea3m d\u00f2ng tr\u00ean tang kh\u00e1c nhau (m\u1ee5c 5.3).<\/li>\n<li><b>Ch\u1ec9 c\u00f3 m\u1ed9t ph\u01b0\u01a1ng \u00e1n c\u1ea5u h\u00ecnh trong m\u1ed7i c\u1ea5p:<\/b> c\u1ea3 b\u1ea3y c\u1ee1 ru\u1ed9t (4 AWG \u0111\u1ebfn 4\/0 AWG) \u0111\u1ec1u l\u00e0 \u00ab3 ru\u1ed9t pha + 2 d\u00e2y PE + 1 d\u00e2y ground check 8 AWG\u00bb. So v\u1edbi b\u1ea3n LWL 8 kV, c\u00e1p n\u00e0y nh\u1ecf h\u01a1n 2,7 \u2013 5,9 % v\u1ec1 \u00d8 v\u00e0 nh\u1eb9 h\u01a1n 2,7 \u2013 12,8 % \u1edf c\u00f9ng c\u1ee1 ru\u1ed9t (m\u1ee5c 7.1).<\/li>\n<li><b>\u0110\u1eb7c t\u00ednh c\u01a1 h\u1ecdc gi\u1ed1ng h\u1ec7t \u1edf hai c\u1ea5p:<\/b> k\u00e9o 20\/30 N\/mm\u00b2, xo\u1eafn \u00b125 \u00b0\/m, b\u00e1n k\u00ednh 10\u00d7D, ch\u1eef S 20\u00d7D, t\u1ed1c \u0111\u1ed9 tang kh\u00f4ng h\u1ea1n ch\u1ebf. L\u00ean 15 kV kh\u00f4ng l\u00e0m c\u00e1p b\u1ec1n k\u00e9o h\u01a1n; ch\u1ec9 l\u00e0m c\u00e1p to h\u01a1n 11 \u2013 16 % v\u00e0 n\u1eb7ng h\u01a1n 19 \u2013 27 %.<\/li>\n<li><b>D\u00f2ng \u0111i\u1ec7n gi\u1ed1ng h\u1ec7t \u1edf hai c\u1ea5p<\/b> (4 AWG: 132 A \u2026 4\/0 AWG: 364 A) v\u00e0 tr\u00f9ng v\u1edbi b\u1ea3n LWL 8 kV; c\u00e1p 15 kV n\u1eb7ng h\u01a1n m\u00e0 kh\u00f4ng mang th\u00eam d\u00f2ng.<\/li>\n<li><b>C\u00e1p nh\u1eb9 h\u01a1n th\u00ec treo th\u1eb3ng \u0111\u1ee9ng \u0111\u01b0\u1ee3c d\u00e0i h\u01a1n:<\/b> 3\u00d74\/0 AWG treo t\u0129nh \u0111\u01b0\u1ee3c 74 m \u1edf 8 kV v\u00e0 61 m \u1edf 15 kV. M\u1ecdi c\u1ee1 \u0111\u1ec1u d\u01b0\u1edbi 75 m (m\u1ee5c 5.1).<\/li>\n<li><b>Hai d\u00e2y PE c\u1ed9ng m\u1ed9t d\u00e2y ground check<\/b> l\u00e0 c\u1ea5u h\u00ecnh c\u1ee7a c\u00e1p k\u00e9o \u2013 tang cu\u1ed1n trung th\u1ebf VDE 0250-813 \u0111\u1ec3 n\u1ed1i v\u1edbi r\u01a1-le gi\u00e1m s\u00e1t ti\u1ebfp \u0111\u1ecba (m\u1ee5c 2.1 v\u00e0 5.5), kh\u00f4ng ph\u1ea3i \u0111\u1ec3 c\u1ea5p th\u00eam t\u00edn hi\u1ec7u.<\/li><\/ol>\n<p>S\u00e1u \u0111i\u1ec3m v\u1ec1 k\u00fd hi\u1ec7u v\u00e0 h\u1ed3 s\u01a1 th\u01b0\u1eddng b\u1ecb b\u1ecf qua:<\/p><ul>\n<li><b>PROTOLON (SM-R).<\/b> Datasheet kh\u00f4ng gi\u1ea3i th\u00edch ch\u1eef SM-R; h\u1ecd c\u00f9ng nh\u00f3m c\u00f3 PROTOLON (SMK), PROTOLON (M) R. H\u1eadu t\u1ed1 LWL (Lichtwellenleiter, s\u1ee3i quang) <b>kh\u00f4ng c\u00f3<\/b> trong c\u00e1p n\u00e0y.<\/li>\n<li><b>(N)TSCGEWOEU (vi\u1ebft VDE: (N)TSCGEW\u00d6U).<\/b> FeiChun gi\u1ea3i m\u00e3: (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. C\u00e1p n\u00e0y <b>kh\u00f4ng c\u00f3 ch\u1eef K<\/b>: ph\u1ea7n t\u1eed \u0111\u1ee1 d\u1ea1ng cradle b\u1eb1ng aramid (Kevlar) ch\u1ec9 c\u00f3 \u1edf bi\u1ebfn th\u1ec3 (N)TSKCGEW\u00d6U d\u00f9ng cho tuy\u1ebfn d\u00e0i h\u01a1n 200 m ho\u1eb7c tang th\u1eb3ng \u0111\u1ee9ng<sup class=\"ref-n\">[10]<\/sup>. Datasheet ghi v\u1eadt li\u1ec7u gia c\u01b0\u1eddng l\u00e0 b\u1ec7n polyester<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup>.<\/li>\n<li><b>M\u00e3 c\u1ea5u t\u1ea1o.<\/b> \u00ab3\u00d71\/0AWG+2\u00d74AWG+1\u00d78AWG\u00bb l\u00e0 ba ru\u1ed9t pha 1\/0 AWG, hai d\u00e2y PE 4 AWG v\u00e0 m\u1ed9t d\u00e2y 8 AWG. Datasheet m\u00f4 t\u1ea3 \u00abd\u00e2y n\u1ed1i \u0111\u1ea5t t\u00e1ch l\u00e0m hai v\u00e0 c\u00f3 th\u00eam d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba\u00bb; t\u00e1c gi\u1ea3 \u0111\u1ecdc d\u00e2y 8 AWG c\u00f2n l\u1ea1i l\u00e0 d\u00e2y ground check (c\u00e1ch \u0111\u1ecdc kh\u1edbp v\u1edbi b\u1ea3n LWL c\u00f9ng h\u1ecd). C\u1ea7n x\u00e1c nh\u1eadn b\u1eb1ng b\u1ea3n v\u1ebd.<\/li>\n<li><b>M\u00e3 ngo\u00e0i \u00ab5DK8***\u00bb v\u00e0 \u00ab*RED\u00bb.<\/b> H\u1ea7u h\u1ebft c\u00e1c d\u00f2ng ch\u01b0a \u0111i\u1ec1n \u0111\u1ee7 m\u00e3 ngo\u00e0i; \u1edf 8 kV ch\u1ec9 c\u00f3 hai d\u00f2ng \u0111\u1ea7y \u0111\u1ee7 (5DK84060 v\u00e0 5DK84360), \u1edf 15 kV c\u00f3 ba d\u00f2ng (5DK8407, 5DK8458, 5DK8431). D\u1ea5u \u00ab*RED\u00bb \u0111\u1ee9ng sau 3\u00d71\/0 AWG (8 kV) v\u00e0 3\u00d72\/0 AWG (15 kV) kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch trong datasheet; khi \u0111\u1eb7t h\u00e0ng ph\u1ea3i ghi m\u00e3 \u0111\u1ea7y \u0111\u1ee7.<\/li>\n<li><b>Ti\u00eau chu\u1ea9n n\u1ec1n.<\/b> DIN VDE 0250-813 l\u00e0 ti\u00eau chu\u1ea9n \u00abIsolierte Starkstromleitungen; Leitungstrosse\u00bb (c\u00e1p k\u00e9o), b\u1ea3n 1985-05, vi\u1ec7n d\u1eabn th\u1eed m\u00e0i m\u00f2n VDE 0472-605 v\u00e0 th\u1eed \u0111i\u1ec7n tr\u1edf gi\u1eefa d\u00e2y PE v\u1edbi l\u1edbp b\u00e1n d\u1eabn VDE 0472-512<sup class=\"ref-n\">[8]<\/sup>. V\u00ec b\u1ea3n n\u00e0y \u0111\u00e3 c\u0169 v\u00e0 ch\u1ec9 c\u00f3 c\u1ea5p U0\/U ki\u1ec3u ch\u00e2u \u00c2u, datasheet ghi \u00abd\u1ef1a tr\u00ean\u00bb ch\u1ee9 kh\u00f4ng ghi \u00abtheo\u00bb.<\/li>\n<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>\n<div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1000px\"><caption>\u0110\u1eb7c t\u00ednh ch\u00ednh c\u1ee7a hai c\u1ea5p \u0111i\u1ec7n \u00e1p (datasheet <sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup>)<\/caption><thead><tr><th>H\u1ea1ng m\u1ee5c<\/th><th>8 kV<\/th><th>15 kV<\/th><th>\u00dd ngh\u0129a k\u1ef9 thu\u1eadt<\/th><\/tr><\/thead><tbody>\n<tr><td>Lo\u1ea1i c\u00e1p<\/td><td colspan=\"2\">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 (gi\u1ed1ng nhau \u1edf c\u1ea3 hai c\u1ea5p)<\/td><td>thi\u1ebft k\u1ebf cho tang v\u00e0 m\u00e1y di \u0111\u1ed9ng trung th\u1ebf<\/td><\/tr>\n<tr><td>\u0110i\u1ec7n \u00e1p danh ngh\u0129a U<\/td><td>8&nbsp;000 V<\/td><td>15&nbsp;000 V<\/td><td>\u0111i\u1ec7n \u00e1p d\u00e2y\u2013d\u00e2y theo c\u00e1ch ghi c\u1ee7a ICEA\/NEMA<sup class=\"ref-n\">[7]<\/sup><\/td><\/tr>\n<tr><td>\u0110i\u1ec7n \u00e1p th\u1eed xoay chi\u1ec1u<\/td><td>18 kV<\/td><td>29 kV<\/td><td>l\u00f5i \u0111i\u1ec1u khi\u1ec3n: 2 kV (datasheet n\u00eau, c\u00e1p n\u00e0y kh\u00f4ng c\u00f3 l\u00f5i \u0111i\u1ec1u khi\u1ec3n trong m\u00e3 c\u1ea5u t\u1ea1o)<\/td><\/tr>\n<tr><td>Th\u1eed \/ U v\u00e0 th\u1eed \/ U0<\/td><td>2,25 v\u00e0 3,90<\/td><td>1,93 v\u00e0 3,35<\/td><td>t\u00e1c gi\u1ea3 t\u00ednh (U0 = U\/\u221a3)<\/td><\/tr>\n<tr><td>S\u1ed1 c\u1ea5u t\u1ea1o trong datasheet<\/td><td>7 (4 AWG \u2026 4\/0 AWG)<\/td><td>7 (4 AWG \u2026 4\/0 AWG)<\/td><td>kh\u00f4ng c\u00f3 c\u1ee1 MCM \u1edf hai c\u1ea5p n\u00e0y<\/td><\/tr>\n<tr><td>\u00d8 c\u00e1p (min \u2013 max)<\/td><td>46,7 \u2013 72,3 mm<\/td><td>54,9 \u2013 81,5 mm<\/td><td>c\u00f9ng c\u1ee1 ru\u1ed9t, 15 kV l\u1edbn h\u01a1n 8 kV 11 \u2013 16 %<\/td><\/tr>\n<tr><td>Kh\u1ed1i l\u01b0\u1ee3ng<\/td><td>3&nbsp;600 \u2013 8&nbsp;850 kg\/km<\/td><td>4&nbsp;300 \u2013 10&nbsp;800 kg\/km<\/td><td>kg\/km c\u1ee7a datasheet<\/td><\/tr>\n<tr><td>D\u00f2ng (VDE 0298-4, 30 \u00b0C, \u0111\u1eb7t t\u1ef1 do)<\/td><td colspan=\"2\">132 \u2013 364 A (gi\u1ed1ng nhau \u1edf hai c\u1ea5p)<\/td><td>ch\u01b0a g\u1ed3m h\u1ec7 s\u1ed1 tang, nhi\u1ec7t \u0111\u1ed9, nh\u00f3m (m\u1ee5c 5.3)<\/td><\/tr>\n<tr><td>L\u1ef1c k\u00e9o<\/td><td colspan=\"2\">20 N\/mm\u00b2 t\u0129nh; 30 N\/mm\u00b2 \u0111\u1ed9ng<\/td><td>t\u00ednh tr\u00ean t\u1ed5ng ti\u1ebft di\u1ec7n ba ru\u1ed9t pha<\/td><\/tr>\n<tr><td>Xo\u1eafn; t\u1ed1c \u0111\u1ed9; b\u00e1n k\u00ednh<\/td><td colspan=\"2\">\u00b125 \u00b0\/m; tang kh\u00f4ng h\u1ea1n ch\u1ebf (tr\u00ean 240 m\/ph\u00fat h\u1ecfi h\u00e3ng); 6\u00d7D c\u1ed1 \u0111\u1ecbnh, 10\u00d7D chuy\u1ec3n \u0111\u1ed9ng, ch\u1eef S \u2265 20\u00d7D<\/td><td>VDE 0298-3; D l\u1ea5y theo \u00d8 ngo\u00e0i l\u1edbn nh\u1ea5t<\/td><\/tr>\n<tr><td>Nhi\u1ec7t \u0111\u1ed9<\/td><td colspan=\"2\">ru\u1ed9t 90 \u00b0C; ng\u1eafn m\u1ea1ch 250 \u00b0C; c\u1ed1 \u0111\u1ecbnh \u221240 \u2026 +80 \u00b0C; chuy\u1ec3n \u0111\u1ed9ng \u221235 \u2026 +60 \u00b0C<\/td><td>ru\u1ed9t m\u1ea1 thi\u1ebfc: xem m\u1ee5c 5.5<\/td><\/tr>\n<tr><td>H\u00f3a v\u00e0 ch\u00e1y<\/td><td colspan=\"2\">ch\u1eadm ch\u00e1y IEC\/EN 60332-1-2; ch\u1ecbu d\u1ea7u IEC\/EN 60811-404; ozone; UV; n\u01b0\u1edbc bi\u1ec3n<\/td><td>PCP ch\u1ee9a clo; datasheet kh\u00f4ng n\u00eau IEC 60754, IEC 61034<\/td><\/tr>\n<tr><td>H\u1ed3 s\u01a1 trong datasheet (c\u1ee7a Prysmian)<\/td><td colspan=\"2\">UL file E251483; MSHA P-189-4; d\u1ef1a tr\u00ean DIN VDE 0250-813; DIN VDE 0298-4<\/td><td>kh\u00f4ng ph\u1ea3i ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun (m\u1ee5c 13)<\/td><\/tr><\/tbody><\/table><\/div><\/section><section id=\"s2\"><h2>2. C\u1ea5u t\u1ea1o: ba l\u00f5i EPR c\u00f3 b\u00e1n d\u1eabn, hai d\u00e2y PE, d\u00e2y ground check, b\u1ec7n polyester v\u00e0 v\u1ecf PCP 5GM5<\/h2>\n<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 (class FS), 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 hai d\u00e2y PE (c\u0169ng l\u00e0 \u0111\u1ed3ng m\u1ea1 thi\u1ebfc class FS) v\u00e0 m\u1ed9t d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba; 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><sup class=\"ref-n\">[2]<\/sup>. C\u1ea5u t\u1ea1o m\u00f4 t\u1ea3 gi\u1ed1ng h\u1ec7t \u1edf hai c\u1ea5p 8 v\u00e0 15 kV; kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n v\u00e0 v\u1ecf m\u00e0 datasheet kh\u00f4ng c\u00f4ng b\u1ed1, ch\u1ec9 suy ra \u0111\u01b0\u1ee3c t\u1eeb \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (h\u00ecnh 2).<\/p>\n<div class=\"svg\"><svg viewBox=\"0 0 1300 640\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"M\u1eb7t c\u1eaft c\u00e1p PROTOLON (SM-R) AWG (N)TSCGEW\u00d6U 8 kV: ba l\u00f5i EPR, hai d\u00e2y PE, d\u00e2y ground check, b\u1ec7n polyester, v\u1ecf PCP\"><defs><pattern id=\"cuA\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"\/><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"\/><\/pattern><pattern id=\"tinA\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"\/><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"\/><\/pattern><pattern id=\"plA\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"\/><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"\/><\/pattern><\/defs><rect x=\"0\" y=\"0\" width=\"1300\" height=\"640\" fill=\"#0e1a1e\"\/><circle cx=\"300.0\" cy=\"330.0\" r=\"152.5\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\"\/><circle cx=\"300\" cy=\"330\" r=\"125.0\" fill=\"#4a4f56\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"300\" cy=\"330\" r=\"122.5\" fill=\"none\" stroke=\"url(#plA)\" stroke-width=\"6.0\"\/><circle cx=\"300.0\" cy=\"276.4\" r=\"46.4\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"300.0\" cy=\"276.4\" r=\"42.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"300.0\" cy=\"276.4\" r=\"30.5\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"300.0\" cy=\"276.4\" r=\"26.5\" fill=\"url(#cuA)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"346.4\" cy=\"356.8\" r=\"46.4\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"346.4\" cy=\"356.8\" r=\"42.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"346.4\" cy=\"356.8\" r=\"30.5\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"346.4\" cy=\"356.8\" r=\"26.5\" fill=\"url(#cuA)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"253.6\" cy=\"356.8\" r=\"46.4\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"253.6\" cy=\"356.8\" r=\"42.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"253.6\" cy=\"356.8\" r=\"30.5\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"253.6\" cy=\"356.8\" r=\"26.5\" fill=\"url(#cuA)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"357.1\" cy=\"297.1\" r=\"14.3\" fill=\"url(#tinA)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"242.9\" cy=\"297.1\" r=\"14.3\" fill=\"url(#tinA)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"300.0\" cy=\"397.0\" r=\"15.0\" fill=\"#f2d13a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"300.0\" cy=\"397.0\" r=\"6.8\" fill=\"url(#cuA)\" stroke=\"#c47a3a\" stroke-width=\"0.6\"\/><circle cx=\"300.0\" cy=\"330.0\" r=\"9.3\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"40.0\" y=\"34.0\" 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\/0AWG+2\u00d74AWG+1\u00d78AWG, 8 kV (\u00d8 61,0 mm; s\u01a1 \u0111\u1ed3 theo m\u00f4 t\u1ea3 c\u1ee7a datasheet)<\/text><circle cx=\"300.0\" cy=\"276.4\" r=\"10.0\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"300.0\" y=\"281.4\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">1<\/text><circle cx=\"327.7\" cy=\"253.1\" r=\"10.0\" fill=\"#ffb454\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"327.7\" y=\"258.1\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">2<\/text><circle cx=\"263.5\" cy=\"250.9\" r=\"10.0\" fill=\"#c8d0d6\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"263.5\" y=\"255.9\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">3<\/text><circle cx=\"357.1\" cy=\"297.1\" r=\"10.0\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"357.1\" y=\"302.1\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">4<\/text><circle cx=\"300.0\" cy=\"397.0\" r=\"10.0\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"300.0\" y=\"402.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">5<\/text><circle cx=\"188.8\" cy=\"330.0\" r=\"10.0\" fill=\"#9fb6c2\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"188.8\" y=\"335.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">6<\/text><circle cx=\"357.5\" cy=\"438.2\" r=\"10.0\" fill=\"#e9e4d6\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"357.5\" y=\"443.2\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">7<\/text><circle cx=\"226.3\" cy=\"447.9\" r=\"10.0\" fill=\"#ff9f5a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"226.3\" y=\"452.9\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">8<\/text><text x=\"660.0\" y=\"76.0\" 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=\"672.0\" cy=\"108.0\" r=\"12.0\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"672.0\" y=\"113.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">1<\/text><text x=\"694.0\" y=\"110.0\" 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=\"694.0\" y=\"128.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">ba ru\u1ed9t pha 4 AWG \u2013 4\/0 AWG (21,2 \u2013 107,2 mm\u00b2)<\/text><circle cx=\"672.0\" cy=\"160.0\" r=\"12.0\" fill=\"#ffb454\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"672.0\" y=\"165.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">2<\/text><text x=\"694.0\" y=\"162.0\" 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=\"694.0\" y=\"180.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">b\u00e1n d\u1eabn trong l\u00e0 EPR b\u00e1n d\u1eabn; 90 \u00b0C l\u00e0m vi\u1ec7c, 250 \u00b0C ng\u1eafn m\u1ea1ch<\/text><circle cx=\"672.0\" cy=\"212.0\" r=\"12.0\" fill=\"#c8d0d6\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"672.0\" y=\"217.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">3<\/text><text x=\"694.0\" y=\"214.0\" 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=\"694.0\" y=\"232.0\" 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<\/text><circle cx=\"672.0\" cy=\"264.0\" r=\"12.0\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"672.0\" y=\"269.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">4<\/text><text x=\"694.0\" y=\"266.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#eef6f8\" font-weight=\"bold\">Hai d\u00e2y n\u1ed1i \u0111\u1ea5t PE (\u0111\u1ed3ng m\u1ea1 thi\u1ebfc, class FS)<\/text><text x=\"694.0\" y=\"284.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">n\u1eb1m \u1edf hai khe gi\u1eefa c\u00e1c l\u00f5i; 8 AWG \u2026 1 AWG theo c\u1ee1 ru\u1ed9t pha<\/text><circle cx=\"672.0\" cy=\"316.0\" r=\"12.0\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"672.0\" y=\"321.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">5<\/text><text x=\"694.0\" y=\"318.0\" 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) 8 AWG<\/text><text x=\"694.0\" y=\"336.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">d\u00e2y pilot c\u00e1ch \u0111i\u1ec7n, gi\u00e1m s\u00e1t li\u00ean t\u1ee5c m\u1ea1ch PE<\/text><circle cx=\"672.0\" cy=\"368.0\" r=\"12.0\" fill=\"#9fb6c2\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"672.0\" y=\"373.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">6<\/text><text x=\"694.0\" y=\"370.0\" 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=\"694.0\" y=\"388.0\" 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=\"672.0\" cy=\"420.0\" r=\"12.0\" fill=\"#e9e4d6\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"672.0\" y=\"425.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">7<\/text><text x=\"694.0\" y=\"422.0\" 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=\"694.0\" y=\"440.0\" 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=\"672.0\" cy=\"472.0\" r=\"12.0\" fill=\"#ff9f5a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"672.0\" y=\"477.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">8<\/text><text x=\"694.0\" y=\"474.0\" 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=\"694.0\" y=\"492.0\" 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=\"40.0\" y=\"596.0\" 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][2]; v\u1ecb tr\u00ed d\u00e2y PE v\u00e0 ground check, b\u1ec1 d\u00e0y t\u1eebng l\u1edbp ch\u1ec9 mang t\u00ednh s\u01a1 \u0111\u1ed3; kh\u00f4ng theo t\u1ef7 l\u1ec7 c\u00e1c l\u1edbp v\u1ecf;<\/text><text x=\"40.0\" y=\"614.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">datasheet kh\u00f4ng n\u00eau l\u00f5i gi\u1eefa\/ch\u00e8n (v\u1ebd l\u00f5i ch\u00e8n nh\u1ecf); 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 3\u00d71\/0 AWG + 2\u00d74 AWG + 1\u00d78 AWG, 8 kV: ba l\u00f5i EPR c\u00f3 b\u00e1n d\u1eabn trong v\u00e0 ngo\u00e0i, hai d\u00e2y PE, d\u00e2y ground check, 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 c\u00e1c l\u1edbp v\u1ecf.<\/div><\/div><div class=\"svg\"><svg viewBox=\"0 0 1300 540\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"So s\u00e1nh m\u1eb7t c\u1eaft 8 kV v\u00e0 15 kV theo \u0111\u00fang t\u1ef7 l\u1ec7\"><defs><pattern id=\"cuB\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"\/><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"\/><\/pattern><pattern id=\"tinB\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"\/><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"\/><\/pattern><pattern id=\"plB\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"\/><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"\/><\/pattern><\/defs><rect x=\"0\" y=\"0\" width=\"1300\" height=\"540\" fill=\"#0e1a1e\"\/><text x=\"30.0\" y=\"32.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">C\u00f9ng ru\u1ed9t pha, hai c\u1ea5p \u0111i\u1ec7n \u00e1p: v\u1ebd theo \u0111\u00fang t\u1ef7 l\u1ec7 \u00d8 ngo\u00e0i l\u1edbn nh\u1ea5t c\u1ee7a datasheet<\/text><circle cx=\"170.0\" cy=\"250.0\" r=\"88.5\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\"\/><circle cx=\"170\" cy=\"250\" r=\"72.5\" fill=\"#4a4f56\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"170\" cy=\"250\" r=\"71.1\" fill=\"none\" stroke=\"url(#plB)\" stroke-width=\"3.5\"\/><circle cx=\"170.0\" cy=\"218.9\" r=\"26.9\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"170.0\" cy=\"218.9\" r=\"24.6\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"170.0\" cy=\"218.9\" r=\"17.7\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"170.0\" cy=\"218.9\" r=\"15.4\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"196.9\" cy=\"265.5\" r=\"26.9\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"196.9\" cy=\"265.5\" r=\"24.6\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"196.9\" cy=\"265.5\" r=\"17.7\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"196.9\" cy=\"265.5\" r=\"15.4\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"143.1\" cy=\"265.5\" r=\"26.9\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"143.1\" cy=\"265.5\" r=\"24.6\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"143.1\" cy=\"265.5\" r=\"17.7\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"143.1\" cy=\"265.5\" r=\"15.4\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"203.1\" cy=\"230.9\" r=\"8.3\" fill=\"url(#tinB)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"136.9\" cy=\"230.9\" r=\"8.3\" fill=\"url(#tinB)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"170.0\" cy=\"288.9\" r=\"8.7\" fill=\"#f2d13a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"170.0\" cy=\"288.9\" r=\"3.9\" fill=\"url(#cuB)\" stroke=\"#c47a3a\" stroke-width=\"0.6\"\/><circle cx=\"170.0\" cy=\"250.0\" r=\"5.4\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"1\"\/><line x1=\"81.5\" y1=\"356.4\" x2=\"258.4\" y2=\"356.4\" stroke=\"#9cc0cc\" stroke-width=\"1.2\"\/><line x1=\"81.5\" y1=\"351.4\" x2=\"81.5\" y2=\"361.4\" stroke=\"#9cc0cc\"\/><line x1=\"258.4\" y1=\"351.4\" x2=\"258.4\" y2=\"361.4\" stroke=\"#9cc0cc\"\/><text x=\"170.0\" y=\"442.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#ffb454\" font-weight=\"bold\">\u00d8 l\u1edbn nh\u1ea5t 61,0 mm<\/text><text x=\"170.0\" y=\"66.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"18\" fill=\"#ffb454\" font-weight=\"bold\">8 kV \u00b7 3\u00d71\/0 AWG<\/text><text x=\"170.0\" y=\"86.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">l\u00f5i c\u00e1ch \u0111i\u1ec7n \u2248 \u00d8 18,6 mm (suy t\u1eeb h\u00ecnh h\u1ecdc)<\/text><text x=\"170.0\" y=\"464.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">kh\u1ed1i l\u01b0\u1ee3ng 5,60 kg\/m<\/text><circle cx=\"470.0\" cy=\"250.0\" r=\"99.3\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\"\/><circle cx=\"470\" cy=\"250\" r=\"83.4\" fill=\"#4a4f56\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"470\" cy=\"250\" r=\"81.9\" fill=\"none\" stroke=\"url(#plB)\" stroke-width=\"3.5\"\/><circle cx=\"470.0\" cy=\"213.1\" r=\"32.0\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"470.0\" cy=\"213.1\" r=\"29.6\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"470.0\" cy=\"213.1\" r=\"17.7\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"470.0\" cy=\"213.1\" r=\"15.4\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"502.0\" cy=\"268.5\" r=\"32.0\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"502.0\" cy=\"268.5\" r=\"29.6\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"502.0\" cy=\"268.5\" r=\"17.7\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"502.0\" cy=\"268.5\" r=\"15.4\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"438.0\" cy=\"268.5\" r=\"32.0\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"438.0\" cy=\"268.5\" r=\"29.6\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"438.0\" cy=\"268.5\" r=\"17.7\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"438.0\" cy=\"268.5\" r=\"15.4\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"507.2\" cy=\"228.5\" r=\"8.3\" fill=\"url(#tinB)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"432.8\" cy=\"228.5\" r=\"8.3\" fill=\"url(#tinB)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"470.0\" cy=\"293.6\" r=\"8.7\" fill=\"#f2d13a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"470.0\" cy=\"293.6\" r=\"3.9\" fill=\"url(#cuB)\" stroke=\"#c47a3a\" stroke-width=\"0.6\"\/><circle cx=\"470.0\" cy=\"250.0\" r=\"6.4\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"1\"\/><line x1=\"370.7\" y1=\"367.3\" x2=\"569.3\" y2=\"367.3\" stroke=\"#9cc0cc\" stroke-width=\"1.2\"\/><line x1=\"370.7\" y1=\"362.3\" x2=\"370.7\" y2=\"372.3\" stroke=\"#9cc0cc\"\/><line x1=\"569.3\" y1=\"362.3\" x2=\"569.3\" y2=\"372.3\" stroke=\"#9cc0cc\"\/><text x=\"470.0\" y=\"442.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#ff777f\" font-weight=\"bold\">\u00d8 l\u1edbn nh\u1ea5t 68,5 mm<\/text><text x=\"470.0\" y=\"66.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"18\" fill=\"#ff777f\" font-weight=\"bold\">15 kV \u00b7 3\u00d71\/0 AWG<\/text><text x=\"470.0\" y=\"86.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">l\u00f5i c\u00e1ch \u0111i\u1ec7n \u2248 \u00d8 22,0 mm (suy t\u1eeb h\u00ecnh h\u1ecdc)<\/text><text x=\"470.0\" y=\"464.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">kh\u1ed1i l\u01b0\u1ee3ng 7,13 kg\/m<\/text><circle cx=\"800.0\" cy=\"250.0\" r=\"104.8\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\"\/><circle cx=\"800\" cy=\"250\" r=\"88.9\" fill=\"#4a4f56\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"800\" cy=\"250\" r=\"87.4\" fill=\"none\" stroke=\"url(#plB)\" stroke-width=\"3.5\"\/><circle cx=\"800.0\" cy=\"210.1\" r=\"34.5\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"800.0\" cy=\"210.1\" r=\"32.2\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"800.0\" cy=\"210.1\" r=\"24.1\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"800.0\" cy=\"210.1\" r=\"21.8\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"834.5\" cy=\"269.9\" r=\"34.5\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"834.5\" cy=\"269.9\" r=\"32.2\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"834.5\" cy=\"269.9\" r=\"24.1\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"834.5\" cy=\"269.9\" r=\"21.8\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"765.5\" cy=\"269.9\" r=\"34.5\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"765.5\" cy=\"269.9\" r=\"32.2\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"765.5\" cy=\"269.9\" r=\"24.1\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"765.5\" cy=\"269.9\" r=\"21.8\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"843.9\" cy=\"224.7\" r=\"11.7\" fill=\"url(#tinB)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"756.1\" cy=\"224.7\" r=\"11.7\" fill=\"url(#tinB)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"800.0\" cy=\"295.9\" r=\"8.7\" fill=\"#f2d13a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"800.0\" cy=\"295.9\" r=\"3.9\" fill=\"url(#cuB)\" stroke=\"#c47a3a\" stroke-width=\"0.6\"\/><circle cx=\"800.0\" cy=\"250.0\" r=\"6.9\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"1\"\/><line x1=\"695.2\" y1=\"372.8\" x2=\"904.8\" y2=\"372.8\" stroke=\"#9cc0cc\" stroke-width=\"1.2\"\/><line x1=\"695.2\" y1=\"367.8\" x2=\"695.2\" y2=\"377.8\" stroke=\"#9cc0cc\"\/><line x1=\"904.8\" y1=\"367.8\" x2=\"904.8\" y2=\"377.8\" stroke=\"#9cc0cc\"\/><text x=\"800.0\" y=\"442.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#ffb454\" font-weight=\"bold\">\u00d8 l\u1edbn nh\u1ea5t 72,3 mm<\/text><text x=\"800.0\" y=\"66.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"18\" fill=\"#ffb454\" font-weight=\"bold\">8 kV \u00b7 3\u00d74\/0 AWG<\/text><text x=\"800.0\" y=\"86.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">l\u00f5i c\u00e1ch \u0111i\u1ec7n \u2248 \u00d8 23,8 mm (suy t\u1eeb h\u00ecnh h\u1ecdc)<\/text><text x=\"800.0\" y=\"464.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">kh\u1ed1i l\u01b0\u1ee3ng 8,85 kg\/m<\/text><circle cx=\"1140.0\" cy=\"250.0\" r=\"118.2\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\"\/><circle cx=\"1140\" cy=\"250\" r=\"102.2\" fill=\"#4a4f56\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"1140\" cy=\"250\" r=\"100.8\" fill=\"none\" stroke=\"url(#plB)\" stroke-width=\"3.5\"\/><circle cx=\"1140.0\" cy=\"203.0\" r=\"40.7\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"1140.0\" cy=\"203.0\" r=\"38.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"1140.0\" cy=\"203.0\" r=\"24.1\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"1140.0\" cy=\"203.0\" r=\"21.8\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"1180.7\" cy=\"273.5\" r=\"40.7\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"1180.7\" cy=\"273.5\" r=\"38.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"1180.7\" cy=\"273.5\" r=\"24.1\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"1180.7\" cy=\"273.5\" r=\"21.8\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"1099.3\" cy=\"273.5\" r=\"40.7\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"1099.3\" cy=\"273.5\" r=\"38.4\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"1099.3\" cy=\"273.5\" r=\"24.1\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"1099.3\" cy=\"273.5\" r=\"21.8\" fill=\"url(#cuB)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"1189.0\" cy=\"221.7\" r=\"11.7\" fill=\"url(#tinB)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"1091.0\" cy=\"221.7\" r=\"11.7\" fill=\"url(#tinB)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"1140.0\" cy=\"301.5\" r=\"8.7\" fill=\"#f2d13a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"1140.0\" cy=\"301.5\" r=\"3.9\" fill=\"url(#cuB)\" stroke=\"#c47a3a\" stroke-width=\"0.6\"\/><circle cx=\"1140.0\" cy=\"250.0\" r=\"8.1\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"1\"\/><line x1=\"1021.8\" y1=\"386.2\" x2=\"1258.2\" y2=\"386.2\" stroke=\"#9cc0cc\" stroke-width=\"1.2\"\/><line x1=\"1021.8\" y1=\"381.2\" x2=\"1021.8\" y2=\"391.2\" stroke=\"#9cc0cc\"\/><line x1=\"1258.2\" y1=\"381.2\" x2=\"1258.2\" y2=\"391.2\" stroke=\"#9cc0cc\"\/><text x=\"1140.0\" y=\"442.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#ff777f\" font-weight=\"bold\">\u00d8 l\u1edbn nh\u1ea5t 81,5 mm<\/text><text x=\"1140.0\" y=\"66.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"18\" fill=\"#ff777f\" font-weight=\"bold\">15 kV \u00b7 3\u00d74\/0 AWG<\/text><text x=\"1140.0\" y=\"86.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">l\u00f5i c\u00e1ch \u0111i\u1ec7n \u2248 \u00d8 28,1 mm (suy t\u1eeb h\u00ecnh h\u1ecdc)<\/text><text x=\"1140.0\" y=\"464.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">kh\u1ed1i l\u01b0\u1ee3ng 10,80 kg\/m<\/text><text x=\"30.0\" y=\"500.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">\u00d8 ngo\u00e0i t\u0103ng 12,3 % (3\u00d71\/0 AWG) v\u00e0 12,7 % (3\u00d74\/0 AWG) khi l\u00ean 15 kV; b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n v\u00e0 v\u1ecf kh\u00f4ng c\u00f3 trong datasheet:<\/text><text x=\"30.0\" y=\"518.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">b\u1ec1 d\u00e0y v\u1ecf + b\u1ec7n + \u0111\u1ec7m v\u1ebd c\u1ed1 \u0111\u1ecbnh 10,5 mm (\u01b0\u1edbc t\u00ednh c\u1ee7a t\u00e1c gi\u1ea3 t\u1eeb h\u00ecnh h\u1ecdc ba l\u00f5i tr\u00f2n: \u00d8 bao quanh = 2,155 \u00d7 \u00d8 l\u00f5i); kh\u00f4ng ph\u1ea3i b\u1ea3n v\u1ebd c\u1ee7a h\u00e3ng.<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 2. L\u00ean 15 kV, \u00d8 ngo\u00e0i t\u0103ng 12,3 % \u1edf 3\u00d71\/0 AWG v\u00e0 12,7 % \u1edf 3\u00d74\/0 AWG, kh\u1ed1i l\u01b0\u1ee3ng t\u0103ng 27,3 % v\u00e0 22,0 %: l\u00f5i tang, r\u00e3nh d\u1eabn c\u00e1p v\u00e0 con l\u0103n ph\u1ea3i to theo.<\/div><\/div>\n<h3>2.1 V\u00ec sao c\u00f3 hai d\u00e2y PE v\u00e0 m\u1ed9t d\u00e2y ground check<\/h3>\n<p>\u1ede thi\u1ebft b\u1ecb di \u0111\u1ed9ng trung th\u1ebf, d\u00e2y PE l\u00e0 \u0111\u01b0\u1eddng v\u1ec1 c\u1ee7a d\u00f2ng ch\u1ea1m \u0111\u1ea5t; n\u1ebfu d\u00e2y n\u00e0y \u0111\u1ee9t m\u00e0 kh\u00f4ng ai bi\u1ebft, khung m\u00e1y c\u00f3 th\u1ec3 mang \u0111i\u1ec7n \u00e1p nguy hi\u1ec3m. V\u00ec v\u1eady m\u1ea1ch c\u1ea5p \u0111i\u1ec7n ph\u1ea3i gi\u00e1m s\u00e1t li\u00ean t\u1ee5c t\u00ednh li\u00ean t\u1ee5c c\u1ee7a PE b\u1eb1ng d\u00e2y pilot (ground check): r\u01a1-le ch\u1ec9 cho \u0111\u00f3ng \u0111i\u1ec7n khi m\u1ea1ch pilot \u2013 PE \u2013 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i \u1edf m\u00e1y c\u00f3 \u0111\u00fang \u0111\u1eb7c t\u00ednh, v\u00e0 nh\u1ea3 khi PE ho\u1eb7c pilot \u0111\u1ee9t, pilot ch\u1ea1m \u0111\u1ea5t ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i b\u1ecb g\u1ee1<sup class=\"ref-n\">[9]<\/sup>. Quy \u0111\u1ecbnh MSHA 30 CFR 75.902 c\u0169ng \u0111\u00f2i m\u00e1y c\u1eaft nh\u1ea3 khi d\u00e2y PE ho\u1eb7c d\u00e2y pilot \u0111\u1ee9t, v\u00e0 b\u1ed9 n\u1ed1i c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 d\u00e2y pilot \u0111\u1ee9t tr\u01b0\u1edbc, d\u00e2y PE \u0111\u1ee9t sau<sup class=\"ref-n\">[9]<\/sup>.<\/p>\n<div class=\"svg\"><svg viewBox=\"0 0 1200 396\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"S\u01a1 \u0111\u1ed3 m\u1ea1ch ground check gi\u1eefa trung t\u00e2m c\u1ea5p \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng\"><defs><pattern id=\"cuG\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"\/><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"\/><\/pattern><pattern id=\"tinG\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"\/><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"\/><\/pattern><pattern id=\"plG\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"\/><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"\/><\/pattern><\/defs><rect x=\"0\" y=\"0\" width=\"1200\" height=\"396\" fill=\"#0e1a1e\"\/><text x=\"30.0\" y=\"32.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">M\u1ea1ch gi\u00e1m s\u00e1t ground check c\u1ee7a c\u00e1p tang cu\u1ed1n (s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd theo c\u00e1c ngu\u1ed3n [9])<\/text><rect x=\"30\" y=\"80\" width=\"260\" height=\"230\" rx=\"8\" fill=\"#16262c\" stroke=\"#38c8e8\" stroke-width=\"1.5\"\/><text x=\"160.0\" y=\"106.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#38c8e8\" font-weight=\"bold\">Trung t\u00e2m c\u1ea5p \u0111i\u1ec7n<\/text><rect x=\"60\" y=\"130\" width=\"90\" height=\"50\" rx=\"4\" fill=\"#22333b\" stroke=\"#e8c37b\" stroke-width=\"1.4\"\/><text x=\"105.0\" y=\"160.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"bold\">M\u00e1y c\u1eaft<\/text><rect x=\"160\" y=\"130\" width=\"120\" height=\"50\" rx=\"4\" fill=\"#22333b\" stroke=\"#5fd88a\" stroke-width=\"1.4\"\/><text x=\"220.0\" y=\"150.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#5fd88a\" font-weight=\"bold\">Ground-check<\/text><text x=\"220.0\" y=\"168.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#5fd88a\" font-weight=\"bold\">monitor<\/text><line x1=\"160\" y1=\"155\" x2=\"150\" y2=\"155\" stroke=\"#5fd88a\" stroke-width=\"1.6\" stroke-dasharray=\"4 3\"\/><text x=\"160.0\" y=\"214.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">c\u1ea5p d\u00f2ng ki\u1ec3m tra nh\u1ecf qua d\u00e2y pilot,<\/text><text x=\"160.0\" y=\"232.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">\u0111o tr\u1edf kh\u00e1ng m\u1ea1ch pilot \u2013 PE \u2013 \u0111\u1ea7u cu\u1ed1i<\/text><text x=\"160.0\" y=\"270.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#e8c37b\" font-weight=\"normal\">cho ph\u00e9p \u0111\u00f3ng \u0111i\u1ec7n ch\u1ec9 khi m\u1ea1ch<\/text><text x=\"160.0\" y=\"288.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#e8c37b\" font-weight=\"normal\">ki\u1ec3m tra \u0111\u00fang \u0111\u1eb7c t\u00ednh<\/text><line x1=\"290\" y1=\"135\" x2=\"760\" y2=\"135\" stroke=\"#b4684a\" stroke-width=\"7\" stroke-linecap=\"round\"\/><line x1=\"290\" y1=\"160\" x2=\"760\" y2=\"160\" stroke=\"#b4684a\" stroke-width=\"7\" stroke-linecap=\"round\"\/><line x1=\"290\" y1=\"185\" x2=\"760\" y2=\"185\" stroke=\"#b4684a\" stroke-width=\"7\" stroke-linecap=\"round\"\/><line x1=\"290\" y1=\"215\" x2=\"760\" y2=\"215\" stroke=\"#2fa84f\" stroke-width=\"5\" stroke-linecap=\"round\"\/><line x1=\"290\" y1=\"215\" x2=\"760\" y2=\"215\" stroke=\"#f2d13a\" stroke-width=\"2\" stroke-dasharray=\"8 8\" stroke-linecap=\"round\"\/><line x1=\"290\" y1=\"240\" x2=\"760\" y2=\"240\" stroke=\"#2fa84f\" stroke-width=\"5\" stroke-linecap=\"round\"\/><line x1=\"290\" y1=\"240\" x2=\"760\" y2=\"240\" stroke=\"#f2d13a\" stroke-width=\"2\" stroke-dasharray=\"8 8\" stroke-linecap=\"round\"\/><line x1=\"290\" y1=\"270\" x2=\"760\" y2=\"270\" stroke=\"#f2d13a\" stroke-width=\"4\" stroke-linecap=\"round\"\/><text x=\"525.0\" y=\"120.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#ffb454\" font-weight=\"bold\">3 ru\u1ed9t pha (EPR, b\u00e1n d\u1eabn trong v\u00e0 ngo\u00e0i)<\/text><text x=\"525.0\" y=\"206.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#5fd88a\" font-weight=\"bold\">2 d\u00e2y PE (\u0111\u1ed3ng m\u1ea1 thi\u1ebfc)<\/text><text x=\"525.0\" y=\"262.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#f6dc6b\" font-weight=\"bold\">d\u00e2y ground check (pilot, c\u00e1ch \u0111i\u1ec7n)<\/text><text x=\"525.0\" y=\"300.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\">c\u00e1p tang cu\u1ed1n (N)TSCGEW\u00d6U<\/text><rect x=\"760\" y=\"80\" width=\"400\" height=\"230\" rx=\"8\" fill=\"#16262c\" stroke=\"#ff9f5a\" stroke-width=\"1.5\"\/><text x=\"960.0\" y=\"106.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#ff9f5a\" font-weight=\"bold\">Thi\u1ebft b\u1ecb di \u0111\u1ed9ng (khung m\u00e1y n\u1ed1i \u0111\u1ea5t)<\/text><rect x=\"800\" y=\"130\" width=\"120\" height=\"70\" rx=\"4\" fill=\"#22333b\" stroke=\"#ffb454\" stroke-width=\"1.4\"\/><text x=\"860.0\" y=\"170.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#ffb454\" font-weight=\"bold\">\u0110\u1ed9ng c\u01a1 \/ bi\u1ebfn \u00e1p<\/text><rect x=\"960\" y=\"215\" width=\"150\" height=\"48\" rx=\"4\" fill=\"#22333b\" stroke=\"#5fd88a\" stroke-width=\"1.4\"\/><text x=\"1035.0\" y=\"236.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#5fd88a\" font-weight=\"bold\">Thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i<\/text><text x=\"1035.0\" y=\"252.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">(n\u1ed1i pilot v\u1edbi PE)<\/text><line x1=\"760\" y1=\"270\" x2=\"960\" y2=\"245\" stroke=\"#f2d13a\" stroke-width=\"3\"\/><polyline points=\"760,215 782,215 782,240\" fill=\"none\" stroke=\"#5fd88a\" stroke-width=\"2\"\/><line x1=\"1110\" y1=\"245\" x2=\"1140\" y2=\"245\" stroke=\"#5fd88a\" stroke-width=\"3\"\/><line x1=\"1140\" y1=\"245\" x2=\"1140\" y2=\"290\" stroke=\"#5fd88a\" stroke-width=\"3\"\/><line x1=\"1120\" y1=\"290\" x2=\"1160\" y2=\"290\" stroke=\"#5fd88a\" stroke-width=\"3\"\/><line x1=\"1127\" y1=\"298\" x2=\"1153\" y2=\"298\" stroke=\"#5fd88a\" stroke-width=\"3\"\/><line x1=\"1134\" y1=\"306\" x2=\"1146\" y2=\"306\" stroke=\"#5fd88a\" stroke-width=\"3\"\/><line x1=\"760\" y1=\"240\" x2=\"940\" y2=\"240\" stroke=\"#5fd88a\" stroke-width=\"2\"\/><line x1=\"940\" y1=\"240\" x2=\"940\" y2=\"290\" stroke=\"#5fd88a\" stroke-width=\"2\"\/><line x1=\"940\" y1=\"290\" x2=\"1130\" y2=\"290\" stroke=\"#5fd88a\" stroke-width=\"2\"\/><text x=\"30.0\" y=\"350.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"normal\">M\u00e1y c\u1eaft ph\u1ea3i nh\u1ea3 khi: d\u00e2y PE ho\u1eb7c d\u00e2y pilot \u0111\u1ee9t; pilot ch\u1ea1m \u0111\u1ea5t; ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i b\u1ecb g\u1ee1. Khi r\u00fat \u0111\u1ea7u n\u1ed1i, d\u00e2y pilot ph\u1ea3i \u0111\u1ee9t tr\u01b0\u1edbc, d\u00e2y PE \u0111\u1ee9t sau c\u00f9ng [9].<\/text><text x=\"30.0\" y=\"372.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">Datasheet Prysmian ch\u1ec9 n\u00eau \u00abd\u00e2y n\u1ed1i \u0111\u1ea5t t\u00e1ch th\u00e0nh hai v\u00e0 th\u00eam d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba\u00bb (8 AWG \u1edf m\u1ecdi c\u1ee1); d\u00f2ng tr\u1edf kh\u00e1ng\/\u0111i\u1ec7n \u00e1p c\u1ee7a m\u1ea1ch pilot thu\u1ed9c b\u1ed9 r\u01a1-le, kh\u00f4ng thu\u1ed9c c\u00e1p.<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 3. V\u00ec sao c\u00e1p n\u00e0y c\u00f3 hai d\u00e2y PE c\u1ed9ng m\u1ed9t d\u00e2y ground check: PE mang d\u00f2ng ch\u1ea1m \u0111\u1ea5t, d\u00e2y pilot cho ph\u00e9p r\u01a1-le bi\u1ebft PE c\u00f2n nguy\u00ean v\u1eb9n tr\u01b0\u1edbc khi cho m\u00e1y ch\u1ea1y.<\/div><\/div>\n<p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> Chia PE th\u00e0nh hai d\u00e2y (v\u00ed d\u1ee5 2\u00d74 AWG thay v\u00ec m\u1ed9t d\u00e2y 1\/0 AWG) c\u00f3 hai l\u00fd do: hai d\u00e2y nh\u1ecf n\u1eb1m g\u1ecdn trong hai khe gi\u1eefa c\u00e1c l\u00f5i v\u00e0 gi\u1eef c\u00e1p tr\u00f2n \u0111\u1ec1u; v\u00e0 m\u1ed7i d\u00e2y m\u1ea3nh ch\u1ecbu u\u1ed1n t\u1ed1t h\u01a1n m\u1ed9t d\u00e2y l\u1edbn. T\u1ed5ng ti\u1ebft di\u1ec7n hai d\u00e2y PE b\u1eb1ng kho\u1ea3ng 79 % ti\u1ebft di\u1ec7n m\u1ed9t ru\u1ed9t pha \u1edf m\u1ecdi c\u1ee1 (b\u1ea3ng m\u1ee5c 5.5). D\u00e2y ground check ch\u1ec9 mang d\u00f2ng ki\u1ec3m tra nh\u1ecf n\u00ean 8 AWG \u1edf m\u1ecdi c\u1ee1.<\/p>\n<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>\n<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; gi\u1edbi h\u1ea1n nhi\u1ec7t ng\u1eafn m\u1ea1ch c\u1ee7a ru\u1ed9t m\u1ea1 thi\u1ebfc (m\u1ee5c 5.5)<\/td><\/tr>\n<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 18 \/ 29 kV t\u1eebng cu\u1ed9n; \u0111o PD n\u1ebfu h\u1ee3p \u0111\u1ed3ng y\u00eau c\u1ea7u; m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100 \/ 133 %<\/td><\/tr>\n<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; \u0111i\u1ec7n tr\u1edf gi\u1eefa PE v\u00e0 l\u1edbp b\u00e1n d\u1eabn (VDE 0472-512 <sup class=\"ref-n\">[8]<\/sup>)<\/td><\/tr>\n<tr><td>4. Hai 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; d\u00f2ng ch\u1ea1m \u0111\u1ea5t v\u00e0 th\u1eddi gian c\u1eaft c\u1ee7a l\u01b0\u1edbi; \u0111i\u1ec7n tr\u1edf d\u00e2y pilot<\/td><\/tr>\n<tr><td>5. 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>\n<tr><td>6. 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>\n<tr><td>7. 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>\n<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 chi\u1ebfm 16 % v\u00e0 13 % kh\u1ed1i l\u01b0\u1ee3ng \u1edf c\u1ee1 4 AWG (8 v\u00e0 15 kV), 32 % v\u00e0 26 % \u1edf c\u1ee1 4\/0 AWG (t\u00ednh 8,89 kg\/km cho m\u1ed7i mm\u00b2 \u0111\u1ed3ng; ch\u01b0a k\u1ec3 PE). L\u1ef1c k\u00e9o cho ph\u00e9p t\u00ednh theo ti\u1ebft di\u1ec7n \u0111\u1ed3ng n\u00ean c\u00e1p c\u00f3 t\u1ef7 l\u1ec7 \u0111\u1ed3ng cao h\u01a1n treo \u0111\u01b0\u1ee3c d\u00e0i h\u01a1n (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 datasheet n\u00eau; d\u00e2y PE 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 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\">[10]<\/sup>.<\/p>\n<div class=\"note\"><b>Ph\u00e9p ki\u1ec3m tra h\u1ee3p l\u00fd v\u1ec1 h\u00ecnh h\u1ecdc (t\u00e1c gi\u1ea3).<\/b> N\u1ebfu coi v\u1ecf + b\u1ec7n + \u0111\u1ec7m d\u00e0y kho\u1ea3ng 10,5 mm m\u1ed7i ph\u00eda th\u00ec \u00d8 l\u00f5i c\u00e1ch \u0111i\u1ec7n suy ra l\u00e0 18,6 mm \u1edf 3\u00d71\/0 AWG 8 kV v\u00e0 22,0 mm \u1edf 15 kV, t\u1ee9c t\u01b0\u1eddng c\u00e1ch \u0111i\u1ec7n + b\u00e1n d\u1eabn m\u1ed7i l\u00f5i kho\u1ea3ng 4,0 v\u00e0 5,7 mm, ph\u00f9 h\u1ee3p v\u1edbi b\u1eadc 150 v\u00e0 210 mil (3,8 v\u00e0 5,3 mm) c\u1ee7a c\u00e1p m\u1ecf ICEA c\u1ed9ng hai l\u1edbp b\u00e1n d\u1eabn. \u0110\u00e2y l\u00e0 ph\u00e9p \u01b0\u1edbc t\u00ednh t\u1eeb \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i, kh\u00f4ng ph\u1ea3i s\u1ed1 li\u1ec7u c\u1ee7a h\u00e3ng.<\/div><\/section><section id=\"s3\"><h2>3. Th\u00f4ng s\u1ed1 theo datasheet v\u00e0 nh\u1eefng ch\u1ed7 c\u1ea7n l\u01b0u \u00fd<\/h2>\n<div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>\u0110i\u1ec7n, nhi\u1ec7t v\u00e0 h\u00f3a (gi\u1ed1ng nhau \u1edf hai c\u1ea5p, tr\u1eeb \u0111i\u1ec7n \u00e1p)<\/caption><thead><tr><th>Th\u00f4ng s\u1ed1<\/th><th>8 kV<\/th><th>15 kV<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody>\n<tr><td>\u0110i\u1ec7n \u00e1p danh ngh\u0129a U<\/td><td>8&nbsp;000 V<\/td><td>15&nbsp;000 V<\/td><td>d\u00e2y\u2013d\u00e2y<sup class=\"ref-n\">[7]<\/sup><\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p th\u1eed xoay chi\u1ec1u<\/td><td>18 kV<\/td><td>29 kV<\/td><td>l\u00f5i \u0111i\u1ec1u khi\u1ec3n 2 kV (kh\u00f4ng c\u00f3 trong c\u1ea5u t\u1ea1o n\u00e0y)<\/td><\/tr>\n<tr><td>Nhi\u1ec7t \u0111\u1ed9 ru\u1ed9t<\/td><td colspan=\"2\">90 \u00b0C; ng\u1eafn m\u1ea1ch 250 \u00b0C<\/td><td>k t\u00ednh cho ng\u1eafn m\u1ea1ch: m\u1ee5c 5.5<\/td><\/tr>\n<tr><td>M\u00f4i tr\u01b0\u1eddng, l\u1eafp c\u1ed1 \u0111\u1ecbnh<\/td><td colspan=\"2\">\u221240 \u2026 +80 \u00b0C<\/td><td>\u2014<\/td><\/tr><tr><td>M\u00f4i tr\u01b0\u1eddng, chuy\u1ec3n \u0111\u1ed9ng<\/td><td colspan=\"2\">\u221235 \u2026 +60 \u00b0C (hai datasheet nh\u1ea5t qu\u00e1n)<\/td><td>th\u1ea5p h\u01a1n m\u1ee9c +80 \u00b0C c\u1ee7a c\u00e1p (M) R<\/td><\/tr>\n<tr><td>H\u00f3a v\u00e0 ch\u00e1y<\/td><td colspan=\"2\">IEC\/EN 60332-1-2; d\u1ea7u IEC\/EN 60811-404; ozone; UV; n\u01b0\u1edbc bi\u1ec3n<\/td><td>PCP ch\u1ee9a clo; kh\u00f4ng n\u00eau IEC 60754 \/ 61034<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>C\u01a1 h\u1ecdc (gi\u1ed1ng h\u1ec7t \u1edf hai c\u1ea5p)<\/caption><thead><tr><th>Th\u00f4ng s\u1ed1<\/th><th>Gi\u00e1 tr\u1ecb<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody>\n<tr><td>L\u1ef1c k\u00e9o (quy t\u1eafc)<\/td><td>20 N\/mm\u00b2 t\u0129nh; 30 N\/mm\u00b2 \u0111\u1ed9ng<\/td><td>t\u00ednh tr\u00ean t\u1ed5ng ti\u1ebft di\u1ec7n ba ru\u1ed9t pha; ki\u1ec3m tra c\u1ea3 14 d\u00f2ng \u1edf m\u1ee5c 4 (l\u1ec7ch t\u1ed1i \u0111a 5 N)<\/td><\/tr>\n<tr><td>Xo\u1eafn<\/td><td>\u00b125 \u00b0\/m<\/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>\n<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<\/td><td>240 m\/ph\u00fat = 4 m\/s<\/td><\/tr>\n<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<\/td><td>D l\u1ea5y theo \u00d8 ngo\u00e0i l\u1edbn nh\u1ea5t<\/td><\/tr>\n<tr><td>Th\u1eed c\u01a1 trong datasheet<\/td><td>u\u1ed1n ng\u01b0\u1ee3c; u\u1ed1n tr\u00ean con l\u0103n; xo\u1eafn<\/td><td>datasheet kh\u00f4ng c\u00f4ng b\u1ed1 s\u1ed1 chu k\u1ef3<\/td><\/tr>\n<tr><td>D\u00f2ng cho ph\u00e9p<\/td><td>132 \u2013 364 A theo VDE 0298-4, \u0111\u1eb7t t\u1ef1 do \u1edf 30 \u00b0C<\/td><td>ch\u01b0a g\u1ed3m h\u1ec7 s\u1ed1 tang, nhi\u1ec7t \u0111\u1ed9 v\u00e0 nh\u00f3m<\/td><\/tr><\/tbody><\/table><\/div>\n<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). \u0110\u1ec3 so s\u00e1nh, FeiChun n\u00eau cho c\u00e1p BUFLEX-M t\u1ed1c \u0111\u1ed9 t\u1edbi 60 m\/ph\u00fat tr\u00ean tang v\u00e0 200 m\/ph\u00fat \u1edf festoon<sup class=\"ref-n\">[10]<\/sup>: n\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n ch\u1ea1y c\u00e1p tang nhanh h\u01a1n 60 m\/ph\u00fat, h\u00e3y \u0111\u00f2i s\u1ed1 chu k\u1ef3 u\u1ed1n theo \u0111\u00fang t\u1ed1c \u0111\u1ed9.<\/div>\n<div class=\"warn\"><b>Nh\u1eefng ch\u1ed7 l\u1ec7ch ho\u1eb7c thi\u1ebfu trong hai datasheet.<\/b> (1) T\u1ea5t c\u1ea3 14 d\u00f2ng kh\u1edbp c\u00f4ng th\u1ee9c l\u1ef1c k\u00e9o (20 v\u00e0 30 N\/mm\u00b2 nh\u00e2n t\u1ed5ng ti\u1ebft di\u1ec7n ba ru\u1ed9t pha) v\u1edbi sai l\u1ec7ch t\u1ed1i \u0111a 5 N do l\u00e0m tr\u00f2n; kh\u00f4ng c\u00f3 d\u00f2ng ngo\u1ea1i l\u1ec7 nh\u01b0 3\u00d7300 MCM \u1edf b\u1ea3n MCM. (2) D\u00f2ng 8 kV v\u00e0 15 kV gi\u1ed1ng h\u1ec7t nhau \u1edf m\u1ecdi c\u1ee1, trong khi c\u00e1p 15 kV n\u1eb7ng h\u01a1n 19 \u2013 27 %: b\u1ea3ng ICEA c\u1ee7a c\u00e1p m\u1ecf c\u0169ng kh\u00f4ng \u0111\u1ed5i theo c\u1ea5p \u0111i\u1ec7n \u00e1p<sup class=\"ref-n\">[6]<\/sup>, n\u00ean \u0111\u00e2y l\u00e0 c\u00e1ch l\u00e0m quen thu\u1ed9c, nh\u01b0ng b\u1ea3ng d\u00f2ng theo m\u00e3 v\u1eabn n\u00ean \u0111\u01b0\u1ee3c h\u00e3ng x\u00e1c nh\u1eadn. (3) \u00d8 c\u00e1p t\u0103ng kh\u00f4ng \u0111\u1ec1u theo c\u1ee1 ru\u1ed9t: \u1edf 8 kV t\u1eeb 2\/0 l\u00ean 3\/0 AWG \u00d8 t\u0103ng 5,2 mm trong khi ru\u1ed9t ch\u1ec9 l\u1edbn th\u00eam 1,7 mm (3\/0 l\u00ean 4\/0: +3,6 mm); \u1edf 15 kV t\u1eeb 3\/0 l\u00ean 4\/0 t\u0103ng 5,5 mm: d\u00e2y PE t\u0103ng c\u1ee1 c\u00f9ng l\u00fac (2\u00d73 AWG \u2192 2\u00d72 AWG \u2192 2\u00d71 AWG) nhi\u1ec1u kh\u1ea3 n\u0103ng g\u00f3p ph\u1ea7n, c\u1ea7n b\u1ea3n v\u1ebd. (4) D\u1ea5u \u00ab*RED\u00bb \u1edf hai d\u00f2ng kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch. (5) \u1ede 8 kV ch\u1ec9 2 trong 7 d\u00f2ng, \u1edf 15 kV ch\u1ec9 3 trong 7 d\u00f2ng c\u00f3 m\u00e3 ngo\u00e0i \u0111\u1ea7y \u0111\u1ee7; ph\u1ea7n c\u00f2n l\u1ea1i ghi \u00ab5DK8***\u00bb. (6) Datasheet kh\u00f4ng c\u00f4ng b\u1ed1 b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n v\u00e0 v\u1ecf, m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100 \/ 133 \/ 173 %, \u0111i\u1ec7n tr\u1edf ru\u1ed9t, \u0111i\u1ec7n dung, \u0111i\u1ec7n kh\u00e1ng, \u0111i\u1ec7n tr\u1edf d\u00e2y pilot 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><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>\n<p>Hai b\u1ea3ng d\u01b0\u1edbi gom to\u00e0n b\u1ed9 14 d\u00f2ng c\u1ee7a hai datasheet<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup>. C\u00e1c c\u1ed9t \u03a3S, R chuy\u1ec3n \u0111\u1ed9ng v\u00e0 l\u00f5i tang t\u1ed1i thi\u1ec3u 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>\n<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 7 c\u1ea5u t\u1ea1o 8 kV (datasheet <sup class=\"ref-n\">[1]<\/sup>)<\/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+2\u00d78AWG+1\u00d78AWG<\/td><td>\u2014 \/ 5DK84060<\/td><td>6,8<\/td><td>46,7 \u2013 50,7<\/td><td>3&nbsp;600<\/td><td>1&nbsp;270<\/td><td>1&nbsp;905<\/td><td>132<\/td><td>63,4<\/td><td>507<\/td><td>1&nbsp;014<\/td><\/tr><tr><td>3\u00d72AWG+2\u00d76AWG+1\u00d78AWG<\/td><td>\u2014 \/ 5DK8***<\/td><td>8,4<\/td><td>52,0 \u2013 56,0<\/td><td>4&nbsp;550<\/td><td>2&nbsp;020<\/td><td>3&nbsp;030<\/td><td>176<\/td><td>100,9<\/td><td>560<\/td><td>1&nbsp;120<\/td><\/tr><tr><td>3\u00d71AWG+2\u00d75AWG+1\u00d78AWG<\/td><td>\u2014 \/ 5DK8***<\/td><td>9,5<\/td><td>54,5 \u2013 58,5<\/td><td>5&nbsp;130<\/td><td>2&nbsp;540<\/td><td>3&nbsp;810<\/td><td>204<\/td><td>127,2<\/td><td>585<\/td><td>1&nbsp;170<\/td><\/tr><tr><td>3\u00d71\/0AWG+2\u00d74AWG+1\u00d78AWG <b>*RED<\/b><\/td><td>20160691 \/ 5DK8***<\/td><td>10,6<\/td><td>57,0 \u2013 61,0<\/td><td>5&nbsp;600<\/td><td>3&nbsp;210<\/td><td>4&nbsp;815<\/td><td>236<\/td><td>160,5<\/td><td>610<\/td><td>1&nbsp;220<\/td><\/tr><tr><td>3\u00d72\/0AWG+2\u00d73AWG+1\u00d78AWG<\/td><td>\u2014 \/ 5DK8***<\/td><td>11,8<\/td><td>59,5 \u2013 63,5<\/td><td>6&nbsp;680<\/td><td>4&nbsp;050<\/td><td>6&nbsp;075<\/td><td>273<\/td><td>202,3<\/td><td>635<\/td><td>1&nbsp;270<\/td><\/tr><tr><td>3\u00d73\/0AWG+2\u00d72AWG+1\u00d78AWG<\/td><td>20004762 \/ 5DK84360<\/td><td>13,5<\/td><td>64,7 \u2013 68,7<\/td><td>7&nbsp;500<\/td><td>5&nbsp;100<\/td><td>7&nbsp;650<\/td><td>315<\/td><td>255,0<\/td><td>687<\/td><td>1&nbsp;374<\/td><\/tr><tr><td>3\u00d74\/0AWG+2\u00d71AWG+1\u00d78AWG<\/td><td>\u2014 \/ 5DK8***<\/td><td>15,0<\/td><td>68,3 \u2013 72,3<\/td><td>8&nbsp;850<\/td><td>6&nbsp;430<\/td><td>9&nbsp;645<\/td><td>364<\/td><td>321,6<\/td><td>723<\/td><td>1&nbsp;446<\/td><\/tr><\/tbody><\/table><\/div><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 7 c\u1ea5u t\u1ea1o 15 kV (datasheet <sup class=\"ref-n\">[2]<\/sup>)<\/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+2\u00d78AWG+1\u00d78AWG<\/td><td>20004758 \/ 5DK8407<\/td><td>6,8<\/td><td>54,9 \u2013 58,9<\/td><td>4&nbsp;300<\/td><td>1&nbsp;270<\/td><td>1&nbsp;905<\/td><td>132<\/td><td>63,4<\/td><td>589<\/td><td>1&nbsp;178<\/td><\/tr><tr><td>3\u00d72AWG+2\u00d76AWG+1\u00d78AWG<\/td><td>20095177 \/ 5DK8458<\/td><td>8,4<\/td><td>58,6 \u2013 62,6<\/td><td>5&nbsp;530<\/td><td>2&nbsp;020<\/td><td>3&nbsp;030<\/td><td>176<\/td><td>100,9<\/td><td>626<\/td><td>1&nbsp;252<\/td><\/tr><tr><td>3\u00d71AWG+2\u00d75AWG+1\u00d78AWG<\/td><td>20505533 \/ 5DK8***<\/td><td>9,5<\/td><td>61,8 \u2013 65,8<\/td><td>6&nbsp;200<\/td><td>2&nbsp;540<\/td><td>3&nbsp;810<\/td><td>204<\/td><td>127,2<\/td><td>658<\/td><td>1&nbsp;316<\/td><\/tr><tr><td>3\u00d71\/0AWG+2\u00d74AWG+1\u00d78AWG<\/td><td>20431801 \/ 5DK8***<\/td><td>10,6<\/td><td>64,5 \u2013 68,5<\/td><td>7&nbsp;130<\/td><td>3&nbsp;210<\/td><td>4&nbsp;815<\/td><td>236<\/td><td>160,5<\/td><td>685<\/td><td>1&nbsp;370<\/td><\/tr><tr><td>3\u00d72\/0AWG+2\u00d73AWG+1\u00d78AWG <b>*RED<\/b><\/td><td>20004761 \/ 5DK8431<\/td><td>11,8<\/td><td>67,7 \u2013 71,7<\/td><td>7&nbsp;950<\/td><td>4&nbsp;050<\/td><td>6&nbsp;075<\/td><td>273<\/td><td>202,3<\/td><td>717<\/td><td>1&nbsp;434<\/td><\/tr><tr><td>3\u00d73\/0AWG+2\u00d72AWG+1\u00d78AWG<\/td><td>20454961 \/ 5DK8***<\/td><td>13,5<\/td><td>72,0 \u2013 76,0<\/td><td>9&nbsp;150<\/td><td>5&nbsp;100<\/td><td>7&nbsp;650<\/td><td>315<\/td><td>255,0<\/td><td>760<\/td><td>1&nbsp;520<\/td><\/tr><tr><td>3\u00d74\/0AWG+2\u00d71AWG+1\u00d78AWG<\/td><td>\u2014 \/ 5DK8***<\/td><td>15,0<\/td><td>77,5 \u2013 81,5<\/td><td>10&nbsp;800<\/td><td>6&nbsp;430<\/td><td>9&nbsp;645<\/td><td>364<\/td><td>321,6<\/td><td>815<\/td><td>1&nbsp;630<\/td><\/tr><\/tbody><\/table><\/div>\n<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&nbsp;210 N;  30 \u00b7 160,5 = 4&nbsp;815 N;  8 kV: R = 10 \u00b7 61,0 = 610 mm<\/b><\/div>\n<p><b>Ki\u1ec3m tra:<\/b> c\u1ea3 14 d\u00f2ng kh\u1edbp c\u00f4ng th\u1ee9c l\u1ef1c k\u00e9o; 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 (gi\u1ed1ng h\u1ec7t \u1edf hai c\u1ea5p). 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 t\u1eeb 3,6 \u0111\u1ebfn 8,8 kg\/m \u1edf 8 kV v\u00e0 t\u1eeb 4,3 \u0111\u1ebfn 10,8 kg\/m \u1edf 15 kV; \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i t\u1eeb 46,7 \u0111\u1ebfn 81,5 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 c\u00e1p.<\/p>\n<div class=\"svg\"><svg viewBox=\"0 0 900 450\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i l\u1edbn nh\u1ea5t (mm) theo c\u1ee1 ru\u1ed9t v\u00e0 c\u1ea5p \u0111i\u1ec7n \u00e1p\"><defs><pattern id=\"cuz\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"\/><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"\/><\/pattern><pattern id=\"tinz\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"\/><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"\/><\/pattern><pattern id=\"plz\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"\/><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"\/><\/pattern><\/defs><rect x=\"0\" y=\"0\" width=\"900\" height=\"450\" fill=\"#0e1a1e\"\/><text x=\"20.0\" y=\"30.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i l\u1edbn nh\u1ea5t (mm) theo c\u1ee1 ru\u1ed9t v\u00e0 c\u1ea5p \u0111i\u1ec7n \u00e1p<\/text><line x1=\"90\" y1=\"340.0\" x2=\"860\" y2=\"340.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"344.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">0<\/text><line x1=\"90\" y1=\"286.0\" x2=\"860\" y2=\"286.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"290.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">20<\/text><line x1=\"90\" y1=\"232.0\" x2=\"860\" y2=\"232.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"236.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">40<\/text><line x1=\"90\" y1=\"178.0\" x2=\"860\" y2=\"178.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"182.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">60<\/text><line x1=\"90\" y1=\"124.0\" x2=\"860\" y2=\"124.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"128.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">80<\/text><line x1=\"90\" y1=\"70.0\" x2=\"860\" y2=\"70.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"74.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">100<\/text><text x=\"20.0\" y=\"56.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">mm<\/text><rect x=\"112.0\" y=\"203.1\" width=\"32.0\" height=\"136.9\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"128.0\" y=\"198.1\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">50,7<\/text><rect x=\"146.0\" y=\"181.0\" width=\"32.0\" height=\"159.0\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"162.0\" y=\"176.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">58,9<\/text><text x=\"145.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">4 AWG<\/text><rect x=\"222.0\" y=\"188.8\" width=\"32.0\" height=\"151.2\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"238.0\" y=\"183.8\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">56,0<\/text><rect x=\"256.0\" y=\"171.0\" width=\"32.0\" height=\"169.0\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"272.0\" y=\"166.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">62,6<\/text><text x=\"255.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">2 AWG<\/text><rect x=\"332.0\" y=\"182.1\" width=\"32.0\" height=\"157.9\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"348.0\" y=\"177.1\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">58,5<\/text><rect x=\"366.0\" y=\"162.3\" width=\"32.0\" height=\"177.7\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"382.0\" y=\"157.3\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">65,8<\/text><text x=\"365.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">1 AWG<\/text><rect x=\"442.0\" y=\"175.3\" width=\"32.0\" height=\"164.7\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"458.0\" y=\"170.3\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">61,0<\/text><rect x=\"476.0\" y=\"155.1\" width=\"32.0\" height=\"184.9\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"492.0\" y=\"150.1\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">68,5<\/text><text x=\"475.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">1\/0 AWG<\/text><rect x=\"552.0\" y=\"168.6\" width=\"32.0\" height=\"171.4\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"568.0\" y=\"163.6\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">63,5<\/text><rect x=\"586.0\" y=\"146.4\" width=\"32.0\" height=\"193.6\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"602.0\" y=\"141.4\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">71,7<\/text><text x=\"585.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">2\/0 AWG<\/text><rect x=\"662.0\" y=\"154.5\" width=\"32.0\" height=\"185.5\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"678.0\" y=\"149.5\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">68,7<\/text><rect x=\"696.0\" y=\"134.8\" width=\"32.0\" height=\"205.2\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"712.0\" y=\"129.8\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">76,0<\/text><text x=\"695.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">3\/0 AWG<\/text><rect x=\"772.0\" y=\"144.8\" width=\"32.0\" height=\"195.2\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"788.0\" y=\"139.8\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">72,3<\/text><rect x=\"806.0\" y=\"119.9\" width=\"32.0\" height=\"220.1\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"822.0\" y=\"114.9\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">81,5<\/text><text x=\"805.0\" y=\"362.0\" 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\" y=\"388\" width=\"14\" height=\"14\" fill=\"#ffb454\"\/><text x=\"110.0\" y=\"400.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">8 kV<\/text><rect x=\"146.8\" y=\"388\" width=\"14\" height=\"14\" fill=\"#ff777f\"\/><text x=\"166.8\" y=\"400.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">15 kV<\/text><text x=\"90.0\" y=\"436.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">\u00d8 max c\u1ee7a datasheet 8 kV v\u00e0 15 kV [1][2]; c\u00f9ng c\u1ea5u h\u00ecnh 2\u00d7PE + ground check<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 4. \u1ede c\u00f9ng c\u1ee1 ru\u1ed9t, \u00d8 ngo\u00e0i t\u0103ng th\u00eam kho\u1ea3ng 11 \u2013 16 % t\u1eeb 8 kV l\u00ean 15 kV: l\u00f5i tang, r\u00e3nh d\u1eabn c\u00e1p v\u00e0 con l\u0103n \u0111\u1ec1u ph\u1ea3i to theo.<\/div><\/div><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>\u221215,4 %<\/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>\u22123,9 %<\/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>\u221215,2 %<\/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>+7,0 %<\/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>\u22123,7 %<\/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>\u221210,5 %<\/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>\u221210,7 %<\/td><td>0,161<\/td><td>0,205<\/td><td>364<\/td><\/tr><\/tbody><\/table><\/div>\n<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 (\u22123,9 %) v\u00e0 2\/0 AWG (\u22123,7 %) n\u1eb1m trong \u00b15 % c\u1ee7a m\u1ed9t c\u1ee1 m\u00e9t; 4, 1, 3\/0 v\u00e0 4\/0 AWG th\u1ea5p h\u01a1n c\u1ee1 m\u00e9t g\u1ea7n nh\u1ea5t 10 \u2013 15 %, 1\/0 AWG cao h\u01a1n 7 %. 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>\n<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; 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><section id=\"s5\"><h2>5. T\u00ednh to\u00e1n cho tang, tuy\u1ebfn c\u00e1p v\u00e0 ngu\u1ed3n \u0111i\u1ec7n<\/h2>\n<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>\n<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 8 kV: T = 3&nbsp;210 N, m\u2032 = 5,60 kg\/m \u2192 m\u2032 \u00b7 g \u2248 54,9 N\/m \u2192 L<sub>treo<\/sub> \u2248 58 m<\/b><\/div>\n<div class=\"scroll\"><table class=\"data\" style=\"min-width:1250px\"><caption>L\u1ef1c k\u00e9o, chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng v\u00e0 k\u00e9o l\u00ea t\u1ed1i \u0111a (t\u00e1c gi\u1ea3 t\u00ednh t\u1eeb datasheet <sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup>; \u03bc = 0,6)<\/caption><thead><tr><th>C\u1ee1<\/th><th>T t\u0129nh, N<\/th><th>T \u0111\u1ed9ng, N<\/th><th>m\u2032 8 kV, kg\/m<\/th><th>Treo t\u0129nh 8 kV, m<\/th><th>Treo \u0111\u1ed9ng 8 kV, m<\/th><th>K\u00e9o l\u00ea 8 kV, m<\/th><th>m\u2032 15 kV, kg\/m<\/th><th>Treo t\u0129nh 15 kV, m<\/th><th>Treo \u0111\u1ed9ng 15 kV, m<\/th><th>K\u00e9o l\u00ea 15 kV, m<\/th><\/tr><\/thead><tbody><tr><td>3\u00d74 AWG<\/td><td>1&nbsp;270<\/td><td>1&nbsp;905<\/td><td>3,60<\/td><td>36<\/td><td>54<\/td><td>60<\/td><td>4,30<\/td><td>30<\/td><td>45<\/td><td>50<\/td><\/tr><tr><td>3\u00d72 AWG<\/td><td>2&nbsp;020<\/td><td>3&nbsp;030<\/td><td>4,55<\/td><td>45<\/td><td>68<\/td><td>75<\/td><td>5,53<\/td><td>37<\/td><td>56<\/td><td>62<\/td><\/tr><tr><td>3\u00d71 AWG<\/td><td>2&nbsp;540<\/td><td>3&nbsp;810<\/td><td>5,13<\/td><td>50<\/td><td>76<\/td><td>84<\/td><td>6,20<\/td><td>42<\/td><td>63<\/td><td>70<\/td><\/tr><tr><td>3\u00d71\/0 AWG<\/td><td>3&nbsp;210<\/td><td>4&nbsp;815<\/td><td>5,60<\/td><td>58<\/td><td>88<\/td><td>97<\/td><td>7,13<\/td><td>46<\/td><td>69<\/td><td>76<\/td><\/tr><tr><td>3\u00d72\/0 AWG<\/td><td>4&nbsp;050<\/td><td>6&nbsp;075<\/td><td>6,68<\/td><td>62<\/td><td>93<\/td><td>103<\/td><td>7,95<\/td><td>52<\/td><td>78<\/td><td>87<\/td><\/tr><tr><td>3\u00d73\/0 AWG<\/td><td>5&nbsp;100<\/td><td>7&nbsp;650<\/td><td>7,50<\/td><td>69<\/td><td>104<\/td><td>116<\/td><td>9,15<\/td><td>57<\/td><td>85<\/td><td>95<\/td><\/tr><tr><td>3\u00d74\/0 AWG<\/td><td>6&nbsp;430<\/td><td>9&nbsp;645<\/td><td>8,85<\/td><td>74<\/td><td>111<\/td><td>123<\/td><td>10,80<\/td><td>61<\/td><td>91<\/td><td>101<\/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 treo th\u1eb3ng \u0111\u1ee9ng t\u1ed1i \u0111a theo l\u1ef1c k\u00e9o t\u0129nh 20 N\/mm\u00b2 (m)\"><defs><pattern id=\"cuz\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"\/><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"\/><\/pattern><pattern id=\"tinz\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"\/><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"\/><\/pattern><pattern id=\"plz\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"\/><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"\/><\/pattern><\/defs><rect x=\"0\" y=\"0\" width=\"900\" height=\"450\" fill=\"#0e1a1e\"\/><text x=\"20.0\" y=\"30.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">Chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng t\u1ed1i \u0111a theo l\u1ef1c k\u00e9o t\u0129nh 20 N\/mm\u00b2 (m)<\/text><line x1=\"90\" y1=\"340.0\" x2=\"860\" y2=\"340.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"344.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">0<\/text><line x1=\"90\" y1=\"286.0\" x2=\"860\" y2=\"286.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"290.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">20<\/text><line x1=\"90\" y1=\"232.0\" x2=\"860\" y2=\"232.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"236.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">40<\/text><line x1=\"90\" y1=\"178.0\" x2=\"860\" y2=\"178.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"182.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">60<\/text><line x1=\"90\" y1=\"124.0\" x2=\"860\" y2=\"124.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"128.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">80<\/text><line x1=\"90\" y1=\"70.0\" x2=\"860\" y2=\"70.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"74.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">100<\/text><text x=\"20.0\" y=\"56.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">m<\/text><rect x=\"112.0\" y=\"242.9\" width=\"32.0\" height=\"97.1\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"128.0\" y=\"237.9\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">36<\/text><rect x=\"146.0\" y=\"258.7\" width=\"32.0\" height=\"81.3\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"162.0\" y=\"253.7\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">30<\/text><text x=\"145.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">4 AWG<\/text><rect x=\"222.0\" y=\"217.8\" width=\"32.0\" height=\"122.2\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"238.0\" y=\"212.8\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">45<\/text><rect x=\"256.0\" y=\"239.5\" width=\"32.0\" height=\"100.5\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"272.0\" y=\"234.5\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">37<\/text><text x=\"255.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">2 AWG<\/text><rect x=\"332.0\" y=\"203.7\" width=\"32.0\" height=\"136.3\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"348.0\" y=\"198.7\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">50<\/text><rect x=\"366.0\" y=\"227.2\" width=\"32.0\" height=\"112.8\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"382.0\" y=\"222.2\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">42<\/text><text x=\"365.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">1 AWG<\/text><rect x=\"442.0\" y=\"182.2\" width=\"32.0\" height=\"157.8\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"458.0\" y=\"177.2\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">58<\/text><rect x=\"476.0\" y=\"216.1\" width=\"32.0\" height=\"123.9\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"492.0\" y=\"211.1\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">46<\/text><text x=\"475.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">1\/0 AWG<\/text><rect x=\"552.0\" y=\"173.1\" width=\"32.0\" height=\"166.9\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"568.0\" y=\"168.1\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">62<\/text><rect x=\"586.0\" y=\"199.8\" width=\"32.0\" height=\"140.2\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"602.0\" y=\"194.8\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">52<\/text><text x=\"585.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">2\/0 AWG<\/text><rect x=\"662.0\" y=\"152.8\" width=\"32.0\" height=\"187.2\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"678.0\" y=\"147.8\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">69<\/text><rect x=\"696.0\" y=\"186.6\" width=\"32.0\" height=\"153.4\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"712.0\" y=\"181.6\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">57<\/text><text x=\"695.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">3\/0 AWG<\/text><rect x=\"772.0\" y=\"140.0\" width=\"32.0\" height=\"200.0\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"788.0\" y=\"135.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">74<\/text><rect x=\"806.0\" y=\"176.1\" width=\"32.0\" height=\"163.9\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"822.0\" y=\"171.1\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">61<\/text><text x=\"805.0\" y=\"362.0\" 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\" y=\"388\" width=\"14\" height=\"14\" fill=\"#ffb454\"\/><text x=\"110.0\" y=\"400.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">8 kV<\/text><rect x=\"146.8\" y=\"388\" width=\"14\" height=\"14\" fill=\"#ff777f\"\/><text x=\"166.8\" y=\"400.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">15 kV<\/text><text x=\"90.0\" y=\"436.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">L = T \/ (m\u2032\u00b7g), m\u2032 theo kh\u1ed1i l\u01b0\u1ee3ng datasheet [1][2]; bi\u00ean tr\u00ean, ch\u01b0a t\u00ednh rung v\u00e0 va \u0111\u1eadp<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 5. C\u00e1p 8 kV nh\u1eb9 h\u01a1n n\u00ean treo th\u1eb3ng \u0111\u1ee9ng \u0111\u01b0\u1ee3c d\u00e0i h\u01a1n c\u00e1p 15 kV \u1edf c\u00f9ng c\u1ee1 ru\u1ed9t: 3\u00d74\/0 AWG l\u00e0 74 m (8 kV) v\u00e0 61 m (15 kV); 3\u00d74 AWG l\u00e0 36 v\u00e0 30 m. L\u1ef1c k\u00e9o cho ph\u00e9p ch\u1ec9 ph\u1ee5 thu\u1ed9c ti\u1ebft di\u1ec7n \u0111\u1ed3ng n\u00ean ch\u00eanh l\u1ec7ch \u0111\u1ebfn t\u1eeb kh\u1ed1i l\u01b0\u1ee3ng.<\/div><\/div>\n<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 l\u00e0 chi\u1ec1u d\u00e0i treo: \u1edf c\u1ea3 hai c\u1ea5p ch\u1ec9 treo th\u1eb3ng \u0111\u1ee9ng \u0111\u01b0\u1ee3c kho\u1ea3ng 36 \u2013 74 m \u1edf 8 kV v\u00e0 30 \u2013 61 m \u1edf 15 kV. 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). T\u0103ng c\u1ee1 ru\u1ed9t kh\u00f4ng k\u00e9o d\u00e0i th\u00eam bao nhi\u00eau (8 kV: 36 m \u1edf 4 AWG so v\u1edbi 74 m \u1edf 4\/0 AWG) v\u00ec kh\u1ed1i l\u01b0\u1ee3ng c\u00e1p t\u0103ng g\u1ea7n t\u1ef7 l\u1ec7 v\u1edbi l\u1ef1c k\u00e9o cho ph\u00e9p. 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>\n<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 1&nbsp;680 kg \u1edf 8 kV v\u00e0 2&nbsp;139 kg \u1edf 15 kV; gia t\u1ed1c 0,5 m\/s\u00b2 \u0111\u00f2i l\u1ef1c kho\u1ea3ng 840 N v\u00e0 1&nbsp;070 N, t\u1ee9c 26 % v\u00e0 33 % l\u1ef1c k\u00e9o t\u0129nh 3&nbsp;210 N (17 % v\u00e0 22 % l\u1ef1c k\u00e9o \u0111\u1ed9ng 4&nbsp;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). C\u00e1p 15 kV n\u1eb7ng h\u01a1n n\u00ean l\u1ef1c qu\u00e1n t\u00ednh chi\u1ebfm t\u1ef7 l\u1ec7 l\u1edbn h\u01a1n trong l\u1ef1c k\u00e9o cho ph\u00e9p \u1edf c\u00f9ng gia t\u1ed1c. 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\">[12]<\/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>\n<h3>5.2 B\u00e1n k\u00ednh u\u1ed1n, l\u00f5i tang, kho\u1ea3ng c\u00e1ch ch\u1eef S, t\u1ed1c \u0111\u1ed9 v\u00f2ng quay v\u00e0 s\u1ee9c ch\u1ee9a tang<\/h3>\n<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>);  L<sub>tang<\/sub> \u2248 \u03a3<sub>i<\/sub> [N<sub>v\u00f2ng<\/sub> \u00b7 \u03c0 \u00b7 (D<sub>l\u00f5i<\/sub> + (2i \u2212 1) \u00b7 D)],  N<sub>v\u00f2ng<\/sub> = \u230aW \/ D\u230b<\/b><\/div>\n<div class=\"scroll\"><table class=\"data\" style=\"min-width:1000px\"><caption>B\u00e1n k\u00ednh v\u00e0 k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u theo \u00d8 l\u1edbn nh\u1ea5t c\u1ee7a datasheet (t\u00e1c gi\u1ea3 t\u00ednh; kho\u1ea3ng c\u00e1ch ch\u1eef S b\u1eb1ng \u00d8 l\u00f5i tang t\u1ed1i thi\u1ec3u)<\/caption><thead><tr><th>C\u1ee1<\/th><th>Dmax 8 kV, 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 v\u00e0 ch\u1eef S, mm<\/th><th>Dmax 15 kV, mm<\/th><th>R chuy\u1ec3n \u0111\u1ed9ng 15 kV, mm<\/th><th>L\u00f5i tang v\u00e0 ch\u1eef S 15 kV, mm<\/th><\/tr><\/thead><tbody><tr><td>3\u00d74 AWG<\/td><td>50,7<\/td><td>304<\/td><td>507<\/td><td>1&nbsp;014<\/td><td>58,9<\/td><td>589<\/td><td>1&nbsp;178<\/td><\/tr><tr><td>3\u00d72 AWG<\/td><td>56,0<\/td><td>336<\/td><td>560<\/td><td>1&nbsp;120<\/td><td>62,6<\/td><td>626<\/td><td>1&nbsp;252<\/td><\/tr><tr><td>3\u00d71 AWG<\/td><td>58,5<\/td><td>351<\/td><td>585<\/td><td>1&nbsp;170<\/td><td>65,8<\/td><td>658<\/td><td>1&nbsp;316<\/td><\/tr><tr><td>3\u00d71\/0 AWG<\/td><td>61,0<\/td><td>366<\/td><td>610<\/td><td>1&nbsp;220<\/td><td>68,5<\/td><td>685<\/td><td>1&nbsp;370<\/td><\/tr><tr><td>3\u00d72\/0 AWG<\/td><td>63,5<\/td><td>381<\/td><td>635<\/td><td>1&nbsp;270<\/td><td>71,7<\/td><td>717<\/td><td>1&nbsp;434<\/td><\/tr><tr><td>3\u00d73\/0 AWG<\/td><td>68,7<\/td><td>412<\/td><td>687<\/td><td>1&nbsp;374<\/td><td>76,0<\/td><td>760<\/td><td>1&nbsp;520<\/td><\/tr><tr><td>3\u00d74\/0 AWG<\/td><td>72,3<\/td><td>434<\/td><td>723<\/td><td>1&nbsp;446<\/td><td>81,5<\/td><td>815<\/td><td>1&nbsp;630<\/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<\/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>\n<p>\u1ede 3\u00d74\/0 AWG 15 kV, \u00d8 l\u1edbn nh\u1ea5t 81,5 mm \u0111\u00f2i l\u00f5i tang t\u1ed1i thi\u1ec3u 1&nbsp;630 mm v\u00e0 b\u00e1n k\u00ednh d\u1eabn c\u00e1p 815 mm; \u1edf 8 kV l\u00e0 1&nbsp;446 mm v\u00e0 723 mm. 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 b\u1eb1ng \u0111\u01b0\u1eddng k\u00ednh l\u00f5i tang t\u1ed1i thi\u1ec3u: \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>\n<p><b>S\u1ee9c ch\u1ee9a tang (t\u00e1c gi\u1ea3).<\/b> C\u00f9ng m\u1ed9t tang tr\u1ee5, c\u00e1p 15 kV ch\u1ee9a \u00edt h\u01a1n v\u00ec D l\u1edbn h\u01a1n: b\u1ec1 r\u1ed9ng 1&nbsp;500 mm x\u1ebfp \u0111\u01b0\u1ee3c 24 v\u00f2ng m\u1ed7i l\u1edbp v\u1edbi c\u00e1p 8 kV (D = 61,0 mm) nh\u01b0ng ch\u1ec9 21 v\u00f2ng v\u1edbi c\u00e1p 15 kV (D = 68,5 mm); s\u1ee9c ch\u1ee9a \u1edf ba l\u1edbp gi\u1ea3m 11 %, trong khi kh\u1ed1i l\u01b0\u1ee3ng c\u00e1p tr\u00ean tang v\u1eabn t\u0103ng.<\/p>\n<div class=\"scroll\"><table class=\"data\" style=\"min-width:1100px\"><caption>S\u1ee9c ch\u1ee9a tang tr\u1ee5 l\u00f5i 1&nbsp;400 mm, b\u1ec1 r\u1ed9ng trong 1&nbsp;500 mm, c\u00e1p 3\u00d71\/0 AWG (x\u1ebfp l\u00fd t\u01b0\u1edfng; t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>S\u1ed1 l\u1edbp<\/th><th>\u00d8 ngo\u00e0i cu\u1ed9n 8 kV, mm<\/th><th>Chi\u1ec1u d\u00e0i 8 kV, m<\/th><th>Kh\u1ed1i l\u01b0\u1ee3ng c\u00e1p 8 kV, kg<\/th><th>\u00d8 ngo\u00e0i cu\u1ed9n 15 kV, mm<\/th><th>Chi\u1ec1u d\u00e0i 15 kV, m<\/th><th>Kh\u1ed1i l\u01b0\u1ee3ng c\u00e1p 15 kV, kg<\/th><th>Ch\u00eanh chi\u1ec1u d\u00e0i<\/th><\/tr><\/thead><tbody><tr><td>1 l\u1edbp<\/td><td>1&nbsp;522<\/td><td>110<\/td><td>617<\/td><td>1&nbsp;537<\/td><td>97<\/td><td>691<\/td><td>\u221212,1 %<\/td><\/tr><tr><td>2 l\u1edbp<\/td><td>1&nbsp;644<\/td><td>230<\/td><td>1&nbsp;285<\/td><td>1&nbsp;674<\/td><td>203<\/td><td>1&nbsp;446<\/td><td>\u221211,6 %<\/td><\/tr><tr><td>3 l\u1edbp<\/td><td>1&nbsp;766<\/td><td>358<\/td><td>2&nbsp;005<\/td><td>1&nbsp;811<\/td><td>318<\/td><td>2&nbsp;266<\/td><td>\u221211,3 %<\/td><\/tr><tr><td>4 l\u1edbp<\/td><td>1&nbsp;888<\/td><td>496<\/td><td>2&nbsp;777<\/td><td>1&nbsp;948<\/td><td>442<\/td><td>3&nbsp;150<\/td><td>\u221210,9 %<\/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 c\u00e1p 3\u00d71\/0 AWG ch\u1ee9a \u0111\u01b0\u1ee3c tr\u00ean c\u00f9ng m\u1ed9t tang (m)\"><defs><pattern id=\"cuz\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"\/><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"\/><\/pattern><pattern id=\"tinz\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"\/><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"\/><\/pattern><pattern id=\"plz\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"\/><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"\/><\/pattern><\/defs><rect x=\"0\" y=\"0\" width=\"900\" height=\"450\" fill=\"#0e1a1e\"\/><text x=\"20.0\" y=\"30.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">Chi\u1ec1u d\u00e0i c\u00e1p 3\u00d71\/0 AWG ch\u1ee9a \u0111\u01b0\u1ee3c tr\u00ean c\u00f9ng m\u1ed9t tang (m)<\/text><line x1=\"90\" y1=\"340.0\" x2=\"860\" y2=\"340.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"344.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">0<\/text><line x1=\"90\" y1=\"295.0\" x2=\"860\" y2=\"295.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"299.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">100<\/text><line x1=\"90\" y1=\"250.0\" x2=\"860\" y2=\"250.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"254.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">200<\/text><line x1=\"90\" y1=\"205.0\" x2=\"860\" y2=\"205.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"209.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">300<\/text><line x1=\"90\" y1=\"160.0\" x2=\"860\" y2=\"160.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"164.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">400<\/text><line x1=\"90\" y1=\"115.0\" x2=\"860\" y2=\"115.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"119.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">500<\/text><line x1=\"90\" y1=\"70.0\" x2=\"860\" y2=\"70.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"74.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">600<\/text><text x=\"20.0\" y=\"56.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">m<\/text><rect x=\"153.2\" y=\"290.4\" width=\"32.0\" height=\"49.6\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"169.2\" y=\"285.4\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">110<\/text><rect x=\"187.2\" y=\"296.4\" width=\"32.0\" height=\"43.6\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"203.2\" y=\"291.4\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">97<\/text><text x=\"186.2\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">1 l\u1edbp<\/text><rect x=\"345.8\" y=\"236.7\" width=\"32.0\" height=\"103.3\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"361.8\" y=\"231.7\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">230<\/text><rect x=\"379.8\" y=\"248.7\" width=\"32.0\" height=\"91.3\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"395.8\" y=\"243.7\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">203<\/text><text x=\"378.8\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">2 l\u1edbp<\/text><rect x=\"538.2\" y=\"178.9\" width=\"32.0\" height=\"161.1\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"554.2\" y=\"173.9\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">358<\/text><rect x=\"572.2\" y=\"197.0\" width=\"32.0\" height=\"143.0\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"588.2\" y=\"192.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">318<\/text><text x=\"571.2\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">3 l\u1edbp<\/text><rect x=\"730.8\" y=\"116.9\" width=\"32.0\" height=\"223.1\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"746.8\" y=\"111.9\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">496<\/text><rect x=\"764.8\" y=\"141.2\" width=\"32.0\" height=\"198.8\" rx=\"2\" fill=\"#ff777f\"\/><text x=\"780.8\" y=\"136.2\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ff777f\" font-weight=\"bold\">442<\/text><text x=\"763.8\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">4 l\u1edbp<\/text><rect x=\"90\" y=\"388\" width=\"14\" height=\"14\" fill=\"#ffb454\"\/><text x=\"110.0\" y=\"400.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">8 kV<\/text><rect x=\"146.8\" y=\"388\" width=\"14\" height=\"14\" fill=\"#ff777f\"\/><text x=\"166.8\" y=\"400.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">15 kV<\/text><text x=\"90.0\" y=\"436.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">Tang tr\u1ee5 l\u00f5i 1 400 mm, r\u1ed9ng 1 500 mm; v\u00f2ng x\u1ebfp s\u00e1t, ch\u01b0a tr\u1eeb hao h\u1ee5t x\u1ebfp l\u1edbp; d\u00f9ng b\u1ed9i s\u1ed1 an to\u00e0n 5 \u2013 10 % khi thi\u1ebft k\u1ebf<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 6. C\u00f9ng m\u1ed9t tang tr\u1ee5, c\u00e1p 3\u00d71\/0 AWG 15 kV ch\u1ee9a \u00edt h\u01a1n c\u00e1p 8 kV kho\u1ea3ng 11 \u2013 12 % v\u00ec \u00d8 ngo\u00e0i l\u1edbn h\u01a1n l\u00e0m gi\u1ea3m s\u1ed1 v\u00f2ng m\u1ed7i l\u1edbp.<\/div><\/div>\n<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>\n<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><sup class=\"ref-n\">[2]<\/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>\n<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>\n<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 (gi\u1ed1ng nhau \u1edf 8 kV v\u00e0 15 kV theo datasheet <sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup>; 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>\n<p class=\"small\">C\u00f4ng th\u1ee9c kh\u1edbp b\u1ea3ng h\u1ec7 s\u1ed1 c\u1ee7a VDE 0298-4 cho c\u00e1p 90 \u00b0C (0,91 \u1edf 40 \u00b0C; 0,82 \u1edf 50 \u00b0C; 0,71 \u1edf 60 \u00b0C)<sup class=\"ref-n\">[4]<\/sup>; 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>\n<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<sup class=\"ref-n\">[5]<\/sup>.<\/p>\n<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 (c\u00f9ng gi\u00e1 tr\u1ecb cho 8 kV v\u00e0 15 kV; 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 1000 450\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"3\u00d74\/0 AWG (364 A): 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 ICEA (A, 30 \u00b0C)\"><defs><pattern id=\"cuz\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"\/><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"\/><\/pattern><pattern id=\"tinz\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"\/><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"\/><\/pattern><pattern id=\"plz\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"\/><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"\/><\/pattern><\/defs><rect x=\"0\" y=\"0\" width=\"1000\" height=\"450\" fill=\"#0e1a1e\"\/><text x=\"20.0\" y=\"30.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">3\u00d74\/0 AWG (364 A): 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 ICEA (A, 30 \u00b0C)<\/text><line x1=\"90\" y1=\"340.0\" x2=\"960\" y2=\"340.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"344.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">0<\/text><line x1=\"90\" y1=\"272.5\" x2=\"960\" y2=\"272.5\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"276.5\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">100<\/text><line x1=\"90\" y1=\"205.0\" x2=\"960\" y2=\"205.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"209.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">200<\/text><line x1=\"90\" y1=\"137.5\" x2=\"960\" y2=\"137.5\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"141.5\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">300<\/text><line x1=\"90\" y1=\"70.0\" x2=\"960\" y2=\"70.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"74.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">400<\/text><text x=\"20.0\" y=\"56.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">A<\/text><rect x=\"144.0\" y=\"94.3\" width=\"32.0\" height=\"245.7\" rx=\"2\" fill=\"#38c8e8\"\/><text x=\"160.0\" y=\"89.3\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#38c8e8\" font-weight=\"bold\">364<\/text><rect x=\"178.0\" y=\"94.3\" width=\"32.0\" height=\"245.7\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"194.0\" y=\"89.3\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">364<\/text><text x=\"177.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">t\u1ef1 do (I\u2080)<\/text><rect x=\"318.0\" y=\"143.4\" width=\"32.0\" height=\"196.6\" rx=\"2\" fill=\"#38c8e8\"\/><text x=\"334.0\" y=\"138.4\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#38c8e8\" font-weight=\"bold\">291<\/text><rect x=\"352.0\" y=\"131.2\" width=\"32.0\" height=\"208.8\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"368.0\" y=\"126.2\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">309<\/text><text x=\"351.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">1 l\u1edbp<\/text><rect x=\"492.0\" y=\"190.1\" width=\"32.0\" height=\"149.9\" rx=\"2\" fill=\"#38c8e8\"\/><text x=\"508.0\" y=\"185.1\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#38c8e8\" font-weight=\"bold\">222<\/text><rect x=\"526.0\" y=\"180.3\" width=\"32.0\" height=\"159.7\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"542.0\" y=\"175.3\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">237<\/text><text x=\"525.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">2 l\u1edbp<\/text><rect x=\"666.0\" y=\"219.6\" width=\"32.0\" height=\"120.4\" rx=\"2\" fill=\"#38c8e8\"\/><text x=\"682.0\" y=\"214.6\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#38c8e8\" font-weight=\"bold\">178<\/text><rect x=\"700.0\" y=\"229.4\" width=\"32.0\" height=\"110.6\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"716.0\" y=\"224.4\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">164<\/text><text x=\"699.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">3 l\u1edbp<\/text><rect x=\"840.0\" y=\"236.8\" width=\"32.0\" height=\"103.2\" rx=\"2\" fill=\"#38c8e8\"\/><text x=\"856.0\" y=\"231.8\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#38c8e8\" font-weight=\"bold\">153<\/text><rect x=\"874.0\" y=\"254.0\" width=\"32.0\" height=\"86.0\" rx=\"2\" fill=\"#ffb454\"\/><text x=\"890.0\" y=\"249.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#ffb454\" font-weight=\"bold\">127<\/text><text x=\"873.0\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">4 l\u1edbp<\/text><rect x=\"90\" y=\"388\" width=\"14\" height=\"14\" fill=\"#38c8e8\"\/><text x=\"110.0\" y=\"400.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">VDE 0298-4<\/text><rect x=\"196.0\" y=\"388\" width=\"14\" height=\"14\" fill=\"#ffb454\"\/><text x=\"216.0\" y=\"400.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">ICEA<\/text><text x=\"90.0\" y=\"436.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">I\u2080 = 364 A theo datasheet [1][2]; h\u1ec7 s\u1ed1 tang VDE [4] v\u00e0 ICEA [5]; s\u1ed1 li\u1ec7u do t\u00e1c gi\u1ea3 t\u00ednh<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 7. Hai b\u1ed9 h\u1ec7 s\u1ed1 cho k\u1ebft qu\u1ea3 ch\u00eanh nhau nhi\u1ec1u nh\u1ea5t \u1edf l\u1edbp th\u1ee9 t\u01b0: 4 l\u1edbp c\u00f2n 153 A (VDE) ho\u1eb7c 127 A (ICEA). VDE nghi\u00eam h\u01a1n ICEA \u1edf m\u1ed9t v\u00e0 hai l\u1edbp (0,80 v\u00e0 0,61 so v\u1edbi 0,85 v\u00e0 0,65), ICEA nghi\u00eam h\u01a1n VDE \u1edf ba v\u00e0 b\u1ed1n l\u1edbp (0,45 v\u00e0 0,35 so v\u1edbi 0,49 v\u00e0 0,42).<\/div><\/div>\n<p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> Gi\u00e1 tr\u1ecb 8 kV v\u00e0 15 kV c\u1ee7a datasheet (132, 176, 204, 364 A \u1edf 4, 2, 1 v\u00e0 4\/0 AWG) kh\u1edbp b\u1ea3ng ICEA c\u1ee7a c\u00e1p m\u1ecf SHD-GC \u1edf 40 \u00b0C (122, 159, 184, 321 A): quy v\u1ec1 c\u00f9ng nhi\u1ec7t \u0111\u1ed9 ch\u00eanh trong kho\u1ea3ng \u22121,2 % \u0111\u1ebfn +3,5 % (b\u1ea3ng m\u1ee5c 7.2)<sup class=\"ref-n\">[6]<\/sup>. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y datasheet d\u00f9ng d\u00f2ng c\u1ee7a c\u00f9ng m\u1ed9t h\u1ecd ti\u00eau chu\u1ea9n cho c\u1ea3 hai c\u1ea5p.<\/p>\n<p><b>V\u00ed d\u1ee5 ch\u1ecdn c\u1ee1<\/b> (minh h\u1ecda c\u1ee7a t\u00e1c gi\u1ea3).<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:1200px\"><caption>V\u00ed d\u1ee5 A: thi\u1ebft b\u1ecb 2,5 MVA \u1edf l\u01b0\u1edbi 6,6 kV, I = 218,7 A li\u00ean t\u1ee5c (c\u00e1p 8 kV)<\/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>273<\/td><td>3\u00d73\/0 AWG (315 A)<\/td><td>299<\/td><td>3\u00d73\/0 AWG (315 A)<\/td><td>257<\/td><td>3\u00d72\/0 AWG (273 A)<\/td><\/tr><tr><td>2 l\u1edbp<\/td><td>0,61 \/ 0,65<\/td><td>359<\/td><td>3\u00d74\/0 AWG (364 A)<\/td><td>393<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>336<\/td><td>3\u00d74\/0 AWG (364 A)<\/td><\/tr><tr><td>3 l\u1edbp<\/td><td>0,49 \/ 0,45<\/td><td>446<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>489<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>486<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><\/tr><tr><td>4 l\u1edbp<\/td><td>0,42 \/ 0,35<\/td><td>521<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>570<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>625<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><\/tr><\/tbody><\/table><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:1200px\"><caption>V\u00ed d\u1ee5 B: thi\u1ebft b\u1ecb 5 MVA \u1edf l\u01b0\u1edbi 11 kV, I = 262,4 A li\u00ean t\u1ee5c (c\u00e1p 15 kV)<\/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>328<\/td><td>3\u00d74\/0 AWG (364 A)<\/td><td>359<\/td><td>3\u00d74\/0 AWG (364 A)<\/td><td>309<\/td><td>3\u00d73\/0 AWG (315 A)<\/td><\/tr><tr><td>2 l\u1edbp<\/td><td>0,61 \/ 0,65<\/td><td>430<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>471<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>404<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><\/tr><tr><td>3 l\u1edbp<\/td><td>0,49 \/ 0,45<\/td><td>536<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>587<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>583<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><\/tr><tr><td>4 l\u1edbp<\/td><td>0,42 \/ 0,35<\/td><td>625<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>684<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><td>750<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><\/tr><\/tbody><\/table><\/div>\n<p>\u1ede v\u00ed d\u1ee5 A (8 kV), theo VDE \u1edf 30 \u00b0C m\u1ed9t l\u1edbp c\u1ea7n 3\u00d73\/0 AWG (315 A), hai l\u1edbp c\u1ea7n 3\u00d74\/0 AWG (364 A), v\u00e0 t\u1eeb 3 l\u1edbp tr\u1edf l\u00ean kh\u00f4ng c\u00f2n c\u1ee1 n\u00e0o trong b\u1ea3ng 8 kV; \u1edf 40 \u00b0C m\u00f4i tr\u01b0\u1eddng, hai l\u1edbp \u0111\u00e3 v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t. \u1ede v\u00ed d\u1ee5 B (15 kV), m\u1ed9t l\u1edbp \u0111\u00e3 ph\u1ea3i d\u00f9ng 3\u00d74\/0 AWG (364 A), v\u00e0 t\u1eeb hai l\u1edbp tr\u1edf l\u00ean v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t.  \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\">[12]<\/sup>.<\/p>\n<p><b>\u0110i\u1ec7n \u00e1p cao h\u01a1n gi\u1ea3m d\u00f2ng, n\u00ean gi\u1ea3m c\u1ee1 c\u00e1p.<\/b> MSHA li\u1ec7t k\u00ea trong bi\u1ec7n ph\u00e1p ch\u1ed1ng qu\u00e1 nhi\u1ec7t c\u00e1p tr\u00ean tang: t\u0103ng c\u1ee1 c\u00e1p, ho\u1eb7c s\u1eeda thi\u1ebft b\u1ecb \u0111\u1ec3 d\u00f9ng \u0111i\u1ec7n \u00e1p v\u1eadn h\u00e0nh cao h\u01a1n sao cho c\u00f9ng c\u00f4ng su\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c \u1edf d\u00f2ng th\u1ea5p h\u01a1n<sup class=\"ref-n\">[5]<\/sup>. Minh h\u1ecda v\u1edbi c\u00f9ng thi\u1ebft b\u1ecb 2,5 MVA:<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:800px\"><caption>C\u00f9ng m\u1ed9t thi\u1ebft b\u1ecb 2,5 MVA \u1edf ba \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi, hai l\u1edbp c\u00f2n tr\u00ean tang (h\u1ec7 s\u1ed1 VDE 0,61, 30 \u00b0C; t\u00e1c gi\u1ea3 t\u00ednh; c\u1ee1 trong b\u1ea3ng 8 kV v\u00e0 15 kV)<\/caption><thead><tr><th>\u0110i\u1ec7n \u00e1p l\u01b0\u1edbi<\/th><th>D\u00f2ng, A<\/th><th>I<sub>0<\/sub> c\u1ea7n \u1edf hai l\u1edbp (VDE), A<\/th><th>C\u1ee1 nh\u1ecf nh\u1ea5t trong datasheet<\/th><\/tr><\/thead><tbody><tr><td>4,16 kV<\/td><td>347<\/td><td>569<\/td><td>v\u01b0\u1ee3t c\u1ee1 l\u1edbn nh\u1ea5t (364 A)<\/td><\/tr><tr><td>6,6 kV<\/td><td>219<\/td><td>359<\/td><td>3\u00d74\/0 AWG (364 A)<\/td><\/tr><tr><td>11 kV<\/td><td>131<\/td><td>215<\/td><td>3\u00d71\/0 AWG (236 A)<\/td><\/tr><\/tbody><\/table><\/div>\n<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. 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>\n<h3>5.4 S\u1ee5t \u00e1p<\/h3>\n<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)<\/b><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>S\u1ee5t \u00e1p ba pha \u1edf 50 Hz (cos \u03c6 = 0,85; R \u1edf 90 \u00b0C; ph\u1ea7n tr\u0103m so v\u1edbi \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi; 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><th>1 000 m<\/th><\/tr><\/thead><tbody><tr><td>8 kV, l\u01b0\u1edbi 6,6 kV: 3\u00d71\/0 AWG, 150 A<\/td><td>\u2248 31 V (0,47 %)<\/td><td>\u2248 52 V (0,79 %)<\/td><td>\u2248 84 V (1,27 %)<\/td><td>\u2248 104 V (1,58 %)<\/td><\/tr><tr><td>8 kV, l\u01b0\u1edbi 6,6 kV: 3\u00d74\/0 AWG, 250 A<\/td><td>\u2248 29 V (0,45 %)<\/td><td>\u2248 49 V (0,74 %)<\/td><td>\u2248 79 V (1,19 %)<\/td><td>\u2248 98 V (1,49 %)<\/td><\/tr><tr><td>15 kV, l\u01b0\u1edbi 11 kV: 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><td>\u2248 104 V (0,95 %)<\/td><\/tr><tr><td>15 kV, l\u01b0\u1edbi 11 kV: 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><td>\u2248 98 V (0,89 %)<\/td><\/tr><\/tbody><\/table><\/div>\n<p>\u1ede 300 m, s\u1ee5t \u00e1p d\u01b0\u1edbi 1 % trong c\u1ea3 b\u1ed1n v\u00ed d\u1ee5; \u1edf 1 000 m, l\u01b0\u1edbi 6,6 kV t\u1edbi 1,5 \u2013 1,6 % c\u00f2n l\u01b0\u1edbi 11 kV ch\u1ec9 kho\u1ea3ng 0,9 %. V\u1edbi tuy\u1ebfn d\u00e0i v\u00e0i tr\u0103m m\u00e9t tr\u1edf l\u00ean ph\u1ea3i ki\u1ec3m tra s\u1ee5t \u00e1p, nh\u01b0ng \u1edf ph\u1ea7n l\u1edbn thi\u1ebft b\u1ecb di \u0111\u1ed9ng 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. \u0110i\u1ec7n kh\u00e1ng X = 0,10 \u03a9\/km l\u00e0 gi\u1ea3 \u0111\u1ecbnh (datasheet kh\u00f4ng c\u00f4ng b\u1ed1); c\u00e1p 6\/10 kV c\u00f9ng h\u1ecd c\u1ee7a h\u00e3ng n\u00eau \u0111i\u1ec7n c\u1ea3m 0,23 \u2013 0,35 mH\/km, t\u1ee9c 0,07 \u2013 0,11 \u03a9\/km \u1edf 50 Hz<sup class=\"ref-n\">[12]<\/sup>, n\u00ean gi\u1ea3 \u0111\u1ecbnh n\u00e0y h\u1ee3p l\u00fd. 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>\n<h3>5.5 Ng\u1eafn m\u1ea1ch, ru\u1ed9t m\u1ea1 thi\u1ebfc, ti\u1ebft di\u1ec7n d\u00e2y PE v\u00e0 ground check<\/h3>\n<div class=\"formula\"><b>I<sub>ng\u1eafn m\u1ea1ch<\/sub> = k \u00b7 S \/ \u221at;  k = 226 \u00b7 \u221aln((234,5 + \u03b8<sub>e<\/sub>) \/ (234,5 + \u03b8<sub>a<\/sub>));  \u03b8<sub>a<\/sub> = 90 \u00b0C:  \u03b8<sub>e<\/sub> = 250 \u00b0C \u2192 k = 143;  \u03b8<sub>e<\/sub> = 200 \u00b0C \u2192 k = 122<\/b><\/div>\n<div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>Ti\u1ebft di\u1ec7n d\u00e2y PE v\u00e0 d\u00f2ng ng\u1eafn m\u1ea1ch 1 s ch\u1ecbu \u0111\u01b0\u1ee3c (t\u00e1c gi\u1ea3 t\u00ednh; hai d\u00e2y PE \u0111\u1eb7t song song, xu\u1ea5t ph\u00e1t 90 \u00b0C)<\/caption><thead><tr><th>C\u1ee1 ru\u1ed9t pha<\/th><th>D\u00e2y PE<\/th><th>\u03a3 ti\u1ebft di\u1ec7n PE, mm\u00b2<\/th><th>so v\u1edbi 1 ru\u1ed9t pha<\/th><th>k = 143: 1 s<\/th><th>k = 122: 1 s<\/th><\/tr><\/thead><tbody><tr><td>3\u00d74 AWG<\/td><td>2\u00d78 AWG<\/td><td>16,7<\/td><td>79 %<\/td><td>2,39 kA<\/td><td>2,04 kA<\/td><\/tr><tr><td>3\u00d72 AWG<\/td><td>2\u00d76 AWG<\/td><td>26,6<\/td><td>79 %<\/td><td>3,81 kA<\/td><td>3,25 kA<\/td><\/tr><tr><td>3\u00d71 AWG<\/td><td>2\u00d75 AWG<\/td><td>33,5<\/td><td>79 %<\/td><td>4,80 kA<\/td><td>4,10 kA<\/td><\/tr><tr><td>3\u00d71\/0 AWG<\/td><td>2\u00d74 AWG<\/td><td>42,3<\/td><td>79 %<\/td><td>6,05 kA<\/td><td>5,17 kA<\/td><\/tr><tr><td>3\u00d72\/0 AWG<\/td><td>2\u00d73 AWG<\/td><td>53,3<\/td><td>79 %<\/td><td>7,63 kA<\/td><td>6,51 kA<\/td><\/tr><tr><td>3\u00d73\/0 AWG<\/td><td>2\u00d72 AWG<\/td><td>67,2<\/td><td>79 %<\/td><td>9,62 kA<\/td><td>8,21 kA<\/td><\/tr><tr><td>3\u00d74\/0 AWG<\/td><td>2\u00d71 AWG<\/td><td>84,8<\/td><td>79 %<\/td><td>12,14 kA<\/td><td>10,36 kA<\/td><\/tr><tr><td>d\u00e2y ground check<\/td><td>1\u00d78 AWG<\/td><td>8,4<\/td><td>\u2014<\/td><td>1,20 kA<\/td><td>1,02 kA<\/td><\/tr><\/tbody><\/table><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>D\u00f2ng ng\u1eafn m\u1ea1ch ch\u1ecbu \u0111\u01b0\u1ee3c c\u1ee7a ru\u1ed9t pha (t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>D\u00e2y d\u1eabn<\/th><th>k = 143: 0,5 s<\/th><th>1 s<\/th><th>3 s<\/th><th>k = 122: 0,5 s<\/th><th>1 s<\/th><th>3 s<\/th><\/tr><\/thead><tbody><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><td>9,24 kA<\/td><td>6,53 kA<\/td><td>3,77 kA<\/td><\/tr><tr><td>Ru\u1ed9t 4\/0 AWG (107,2 mm\u00b2)<\/td><td>21,69 kA<\/td><td>15,34 kA<\/td><td>8,86 kA<\/td><td>18,51 kA<\/td><td>13,09 kA<\/td><td>7,56 kA<\/td><\/tr><\/tbody><\/table><\/div>\n<p>Datasheet ghi nhi\u1ec7t \u0111\u1ed9 ru\u1ed9t khi ng\u1eafn m\u1ea1ch l\u00e0 250 \u00b0C, t\u01b0\u01a1ng \u1ee9ng k = 143. Nh\u01b0ng b\u1ea3ng m\u1eadt \u0111\u1ed9 d\u00f2ng ng\u1eafn m\u1ea1ch c\u1ee7a VDE 0298-4 (tr\u00edch qua LAPP) c\u00f3 ghi ch\u00fa r\u1eb1ng v\u1edbi ru\u1ed9t m\u1ea1 thi\u1ebfc nhi\u1ec7t \u0111\u1ed9 b\u1ecb gi\u1edbi h\u1ea1n \u1edf 200 \u00b0C (v\u00e0 160 \u00b0C n\u1ebfu c\u00f3 m\u1ed1i h\u00e0n thi\u1ebfc m\u1ec1m): m\u1eadt \u0111\u1ed9 d\u00f2ng cho 1 s khi b\u1eaft \u0111\u1ea7u \u1edf 90 \u00b0C l\u00e0 122 A\/mm\u00b2, th\u1ea5p h\u01a1n 15 % so v\u1edbi 143 A\/mm\u00b2<sup class=\"ref-n\">[4]<\/sup>. V\u00ec ru\u1ed9t v\u00e0 d\u00e2y PE c\u1ee7a c\u00e1p n\u00e0y \u0111\u1ec1u m\u1ea1 thi\u1ebfc (class FS), n\u00ean gi\u00e1 tr\u1ecb an to\u00e0n c\u1ee7a hai d\u00e2y PE 2\u00d74 AWG (c\u00e1p 3\u00d71\/0 AWG) l\u00e0 5,17 kA trong 1 s thay v\u00ec 6,05 kA. H\u00e3y h\u1ecfi h\u00e3ng c\u00e1p k n\u00e0o \u00e1p d\u1ee5ng cho ru\u1ed9t m\u1ea1 thi\u1ebfc c\u1ee7a m\u00e3 \u0111\u1eb7t h\u00e0ng, v\u00e0 \u0111\u1ed1i chi\u1ebfu ti\u1ebft di\u1ec7n PE v\u1edbi d\u00f2ng ch\u1ea1m \u0111\u1ea5t v\u00e0 th\u1eddi gian c\u1eaft c\u1ee7a l\u01b0\u1edbi: 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 \u0111i\u1ec7n tr\u1edf d\u00e2y pilot, kh\u00f4ng ch\u1ec9 ghi ch\u00fa theo AWG.<\/p>\n<h3>5.6 \u0110i\u1ec7n \u00e1p th\u1eed, \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh v\u00e0 b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n ICEA<\/h3><div class=\"scroll\"><table class=\"data\" style=\"min-width:1000px\"><caption>\u0110i\u1ec7n \u00e1p th\u1eed v\u00e0 b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n tham chi\u1ebfu (t\u00e1c gi\u1ea3 t\u00ednh; b\u1ec1 d\u00e0y ICEA l\u00e0 c\u1ee7a c\u00e1p m\u1ecf SHD-GC 100 %, kh\u00f4ng ph\u1ea3i s\u1ed1 \u0111o c\u1ee7a h\u00e3ng <sup class=\"ref-n\">[6]<\/sup>)<\/caption><thead><tr><th>C\u1ea5p<\/th><th>U, V (d\u00e2y\u2013d\u00e2y)<\/th><th>Th\u1eed xoay chi\u1ec1u<\/th><th>Th\u1eed \/ U<\/th><th>Th\u1eed \/ U<sub>0<\/sub><\/th><th>B\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n ICEA SHD-GC (100 %)<\/th><th>U<sub>0<\/sub> = U\/\u221a3, V<\/th><\/tr><\/thead><tbody><tr><td>8 kV<\/td><td>8&nbsp;000<\/td><td>18 kV<\/td><td>2,25<\/td><td>3,90<\/td><td>150 mil \u2248 3,8 mm<\/td><td>4&nbsp;619<\/td><\/tr><tr><td>15 kV<\/td><td>15&nbsp;000<\/td><td>29 kV<\/td><td>1,93<\/td><td>3,35<\/td><td>210 mil \u2248 5,3 mm<\/td><td>8&nbsp;660<\/td><\/tr><\/tbody><\/table><\/div>\n<p>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). B\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n danh \u0111\u1ecbnh c\u1ee7a c\u00e1p m\u1ecf SHD-GC theo ICEA l\u00e0 110, 150 v\u00e0 210 mil (2,8; 3,8 v\u00e0 5,3 mm) cho 5, 8 v\u00e0 15 kV \u1edf m\u1ee9c 100 %<sup class=\"ref-n\">[6]<\/sup>; datasheet PROTOLON kh\u00f4ng c\u00f4ng b\u1ed1 b\u1ec1 d\u00e0y, v\u00e0 c\u0169ng kh\u00f4ng n\u00eau m\u1ee9c 100 %, 133 % hay 173 %. M\u1ee9c c\u00e1ch \u0111i\u1ec7n c\u1ea7n ch\u1ecdn theo c\u00e1ch n\u1ed1i \u0111\u1ea5t trung t\u00ednh v\u00e0 th\u1eddi gian t\u1ed3n t\u1ea1i s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t: 100 % khi s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c c\u1eaft trong 1 ph\u00fat, 133 % khi trong 1 gi\u1edd, 173 % khi kh\u00f4ng x\u00e1c \u0111\u1ecbnh<sup class=\"ref-n\">[7]<\/sup>. Datasheet c\u0169ng 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><section id=\"s6\"><h2>6. Ch\u1ecdn 8 kV hay 15 kV<\/h2>\n<p>C\u1ea5p \u0111i\u1ec7n \u00e1p c\u1ee7a c\u00e1p tang cu\u1ed1n \u0111\u01b0\u1ee3c ch\u1ecdn theo \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi d\u00e2y\u2013d\u00e2y v\u00e0 c\u00e1ch n\u1ed1i \u0111\u1ea5t trung t\u00ednh, kh\u00f4ng theo th\u00f3i quen mua h\u00e0ng. Theo quy \u01b0\u1edbc ICEA\/NEMA, \u0111i\u1ec7n \u00e1p ghi tr\u00ean c\u00e1p l\u00e0 \u0111i\u1ec7n \u00e1p d\u00e2y\u2013d\u00e2y v\u00e0 m\u1ee9c c\u00e1ch \u0111i\u1ec7n (100, 133 ho\u1eb7c 173 %) \u0111\u01b0\u1ee3c ch\u1ecdn theo th\u1eddi gian t\u1ed3n t\u1ea1i s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t<sup class=\"ref-n\">[7]<\/sup>.<\/p>\n<div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1000px\"><caption>\u0110i\u1ec7n \u00e1p l\u01b0\u1edbi v\u00e0 c\u1ea5p c\u00e1p g\u1ee3i \u00fd (t\u00e1c gi\u1ea3, theo th\u00f4ng l\u1ec7 B\u1eafc M\u1ef9; ph\u1ea3i ki\u1ec3m theo n\u1ed1i \u0111\u1ea5t trung t\u00ednh v\u00e0 th\u1eddi gian c\u1eaft)<\/caption><thead><tr><th>\u0110i\u1ec7n \u00e1p l\u01b0\u1edbi (d\u00e2y\u2013d\u00e2y)<\/th><th>C\u1ea5p c\u00e1p t\u1ed1i thi\u1ec3u (100 %)<\/th><th>Khi l\u01b0\u1edbi kh\u00f4ng n\u1ed1i \u0111\u1ea5t tr\u1ef1c ti\u1ebfp<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody>\n<tr><td>3,3 kV; 4,16 kV<\/td><td>5 kV (13 kV th\u1eed), kh\u00f4ng thu\u1ed9c b\u00e0i n\u00e0y<\/td><td>h\u1ecfi m\u1ee9c 133 % ho\u1eb7c d\u00f9ng 8 kV<\/td><td>c\u1ea5p 5 kV c\u1ee7a h\u1ecd n\u00e0y c\u00f3 th\u00eam c\u1ee1 MCM (b\u00e0i LWL 5 kV v\u00e0 8 kV)<\/td><\/tr>\n<tr><td>6,0; 6,6; 6,9; 7,2 kV<\/td><td>8 kV (18 kV th\u1eed)<\/td><td>h\u1ecfi m\u1ee9c 133 % ho\u1eb7c d\u00f9ng 15 kV<\/td><td>c\u1ee1 l\u1edbn nh\u1ea5t 4\/0 AWG, 364 A \u1edf 30 \u00b0C<\/td><\/tr>\n<tr><td>10; 11; 13,8 kV<\/td><td>15 kV (29 kV th\u1eed)<\/td><td>h\u1ecfi m\u1ee9c 133 % \/ 173 %<\/td><td>c\u1ee1 l\u1edbn nh\u1ea5t 4\/0 AWG, 364 A \u1edf 30 \u00b0C<\/td><\/tr><\/tbody><\/table><\/div>\n<p><b>C\u00e1i gi\u00e1 c\u1ee7a c\u1ea5p \u0111i\u1ec7n \u00e1p cao h\u01a1n.<\/b> N\u1ebfu l\u01b0\u1edbi l\u00e0 6,6 kV th\u00ec d\u00f9ng c\u00e1p 8 kV; n\u1ebfu l\u01b0\u1edbi 11 kV th\u00ec b\u1eaft bu\u1ed9c c\u00e1p 15 kV. Nh\u01b0ng khi ch\u1ecdn gi\u1eefa hai c\u1ea5p cho c\u00f9ng m\u1ed9t c\u1ee1 ru\u1ed9t, 15 kV ph\u1ea3i tr\u1ea3 b\u1eb1ng \u0111\u01b0\u1eddng k\u00ednh, kh\u1ed1i l\u01b0\u1ee3ng, l\u00f5i tang v\u00e0 chi\u1ec1u d\u00e0i treo:<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:1100px\"><caption>C\u00e1i gi\u00e1 c\u1ee7a c\u1ea5p \u0111i\u1ec7n \u00e1p cao h\u01a1n \u1edf c\u00f9ng c\u1ee1 ru\u1ed9t (t\u00e1c gi\u1ea3 t\u00ednh t\u1eeb datasheet <sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup>; t\u1ef7 l\u1ec7 \u0111\u1ed3ng t\u00ednh 8,89 kg\/km cho m\u1ed7i mm\u00b2, ch\u01b0a k\u1ec3 PE)<\/caption><thead><tr><th>C\u1ea5u t\u1ea1o<\/th><th>\u00d8 max, mm<\/th><th>so v\u1edbi 8 kV<\/th><th>m\u2032, kg\/m<\/th><th>so v\u1edbi 8 kV<\/th><th>L\u00f5i tang t\u1ed1i thi\u1ec3u, mm<\/th><th>Treo th\u1eb3ng \u0111\u1ee9ng, m<\/th><th>T\u1ef7 l\u1ec7 \u0111\u1ed3ng<\/th><th>D\u00f2ng, A<\/th><\/tr><\/thead><tbody><tr><td>3\u00d71\/0 AWG, 8 kV<\/td><td>61,0<\/td><td>\u2014<\/td><td>5,60<\/td><td>\u2014<\/td><td>1&nbsp;220<\/td><td>58<\/td><td>25 %<\/td><td>236<\/td><\/tr><tr><td>3\u00d71\/0 AWG, 15 kV<\/td><td>68,5<\/td><td>+12,3 %<\/td><td>7,13<\/td><td>+27,3 %<\/td><td>1&nbsp;370<\/td><td>46<\/td><td>20 %<\/td><td>236<\/td><\/tr><tr><td>3\u00d74\/0 AWG, 8 kV<\/td><td>72,3<\/td><td>\u2014<\/td><td>8,85<\/td><td>\u2014<\/td><td>1&nbsp;446<\/td><td>74<\/td><td>32 %<\/td><td>364<\/td><\/tr><tr><td>3\u00d74\/0 AWG, 15 kV<\/td><td>81,5<\/td><td>+12,7 %<\/td><td>10,80<\/td><td>+22,0 %<\/td><td>1&nbsp;630<\/td><td>61<\/td><td>26 %<\/td><td>364<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"note\"><b>C\u00e1ch ch\u1ecdn nhanh (t\u00e1c gi\u1ea3).<\/b> (1) X\u00e1c \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi d\u00e2y\u2013d\u00e2y, ki\u1ec3u n\u1ed1i \u0111\u1ea5t trung t\u00ednh v\u00e0 th\u1eddi gian c\u1eaft ch\u1ea1m \u0111\u1ea5t \u2192 c\u1ea5p c\u00e1p v\u00e0 m\u1ee9c c\u00e1ch \u0111i\u1ec7n. (2) X\u00e1c \u0111\u1ecbnh s\u1ed1 l\u1edbp t\u1ed1i \u0111a c\u00f2n tr\u00ean tang \u2192 d\u00f2ng I<sub>0<\/sub> c\u1ea7n \u2192 c\u1ee1 ru\u1ed9t (m\u1ee5c 5.3). (3) Ki\u1ec3m tra l\u1ef1c k\u00e9o (treo th\u1eb3ng \u0111\u1ee9ng \u2264 75 m \u1edf m\u1ecdi c\u1ea5p), b\u00e1n k\u00ednh tang, kho\u1ea3ng c\u00e1ch ch\u1eef S v\u00e0 s\u1ee9c ch\u1ee9a tang theo \u00d8 ngo\u00e0i c\u1ee7a \u0111\u00fang c\u1ea5p. (4) N\u1ebfu d\u00f2ng c\u1ea7n v\u01b0\u1ee3t 364 A, \u0111\u1eebng t\u00ecm c\u1ee1 l\u1edbn h\u01a1n \u1edf h\u1ecd n\u00e0y (hai c\u1ea5p ch\u1ec9 \u0111\u1ebfn 4\/0 AWG): x\u00e9t n\u00e2ng \u0111i\u1ec7n \u00e1p thi\u1ebft b\u1ecb, gi\u1ea3m s\u1ed1 l\u1edbp tr\u00ean tang, chia hai c\u00e1p ho\u1eb7c h\u1ecfi h\u00e3ng c\u00e1p 5 kV c\u1ee1 MCM n\u1ebfu l\u01b0\u1edbi thu\u1ed9c c\u1ea5p 5 kV.<\/div><\/section><section id=\"s7\"><h2>7. So s\u00e1nh v\u1edbi b\u1ea3n LWL, c\u00e1p m\u1ecf ICEA SHD-GC v\u00e0 c\u00e1c h\u1ecd c\u00e1p tang cu\u1ed1n kh\u00e1c<\/h2>\n<h3>7.1 C\u00e1p n\u00e0y v\u00e0 b\u1ea3n c\u00f3 s\u1ee3i quang c\u00f9ng h\u1ecd<\/h3>\n<p>B\u1ea3n (SM-R)-LWL c\u00f3 c\u00f9ng ru\u1ed9t, c\u00f9ng d\u00e2y PE, c\u00f9ng v\u1ecf nh\u01b0ng th\u00eam ph\u1ea7n t\u1eed s\u1ee3i quang (6 \u0111\u1ebfn 24 s\u1ee3i G62,5, G50 ho\u1eb7c E9)<sup class=\"ref-n\">[3]<\/sup>. \u0110\u1eb7t c\u1ea1nh nhau \u1edf 8 kV, m\u1ed7i c\u1ee1 ru\u1ed9t c\u00f3 c\u00f9ng c\u1ea5u h\u00ecnh 2\u00d7PE n\u00ean ch\u00eanh l\u1ec7ch ch\u1ee7 y\u1ebfu l\u00e0 ph\u1ea7n t\u1eed quang thay cho d\u00e2y ground check:<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:1000px\"><caption>C\u00f9ng h\u1ecd, c\u00f9ng 8 kV: kh\u00f4ng c\u00f3 s\u1ee3i quang so v\u1edbi b\u1ea3n LWL (datasheet <sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[3]<\/sup>; t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>C\u1ea5u t\u1ea1o (2\u00d7PE)<\/th><th>(N)TSCGEW\u00d6U 8 kV: \u00d8max mm \/ kg\/km<\/th><th>(SM-R)-LWL 8 kV: \u00d8max mm \/ kg\/km<\/th><th>Ch\u00eanh \u00d8<\/th><th>Ch\u00eanh kh\u1ed1i l\u01b0\u1ee3ng<\/th><\/tr><\/thead><tbody><tr><td>3\u00d74 AWG<\/td><td>50,7 \/ 3&nbsp;600<\/td><td>52,1 \/ 3&nbsp;700<\/td><td>+1,4 mm (+2,8 %)<\/td><td>+100 kg\/km (+2,8 %)<\/td><\/tr><tr><td>3\u00d72 AWG<\/td><td>56,0 \/ 4&nbsp;550<\/td><td>58,2 \/ 4&nbsp;850<\/td><td>+2,2 mm (+3,9 %)<\/td><td>+300 kg\/km (+6,6 %)<\/td><\/tr><tr><td>3\u00d71 AWG<\/td><td>58,5 \/ 5&nbsp;130<\/td><td>60,6 \/ 5&nbsp;470<\/td><td>+2,1 mm (+3,6 %)<\/td><td>+340 kg\/km (+6,6 %)<\/td><\/tr><tr><td>3\u00d71\/0 AWG<\/td><td>61,0 \/ 5&nbsp;600<\/td><td>63,6 \/ 6&nbsp;240<\/td><td>+2,6 mm (+4,3 %)<\/td><td>+640 kg\/km (+11,4 %)<\/td><\/tr><tr><td>3\u00d72\/0 AWG<\/td><td>63,5 \/ 6&nbsp;680<\/td><td>66,7 \/ 7&nbsp;100<\/td><td>+3,2 mm (+5,0 %)<\/td><td>+420 kg\/km (+6,3 %)<\/td><\/tr><tr><td>3\u00d73\/0 AWG<\/td><td>68,7 \/ 7&nbsp;500<\/td><td>71,7 \/ 8&nbsp;600<\/td><td>+3,0 mm (+4,4 %)<\/td><td>+1&nbsp;100 kg\/km (+14,7 %)<\/td><\/tr><tr><td>3\u00d74\/0 AWG<\/td><td>72,3 \/ 8&nbsp;850<\/td><td>76,8 \/ 9&nbsp;900<\/td><td>+4,5 mm (+6,2 %)<\/td><td>+1&nbsp;050 kg\/km (+11,9 %)<\/td><\/tr><\/tbody><\/table><\/div>\n<p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> Ph\u1ea7n t\u1eed quang l\u00e0m c\u00e1p to h\u01a1n 2,8 \u2013 6,2 % v\u00e0 n\u1eb7ng h\u01a1n 3 \u2013 15 %; v\u00ec c\u00e1c d\u00f2ng LWL kh\u00f4ng lu\u00f4n ghi s\u1ed1 s\u1ee3i n\u00ean con s\u1ed1 ch\u1ec9 \u0111\u00fang cho c\u1ea5u h\u00ecnh ghi tr\u00ean c\u00f9ng d\u00f2ng. \u1ede 15 kV ch\u00eanh t\u01b0\u01a1ng t\u1ef1 (3\u00d71\/0 AWG: 68,5 mm so v\u1edbi 70,9 mm; 3\u00d74\/0 AWG: 81,5 mm so v\u1edbi 84,8 mm theo b\u00e0i LWL 15 kV). N\u1ebfu thi\u1ebft b\u1ecb \u0111\u00e3 c\u00f3 \u0111\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u ri\u00eang (kh\u00f4ng d\u00f9ng c\u00e1p quang qua tang), c\u00e1p kh\u00f4ng s\u1ee3i quang cho l\u00f5i tang nh\u1ecf h\u01a1n, tang ch\u1ee9a d\u00e0i h\u01a1n v\u00e0 treo th\u1eb3ng \u0111\u1ee9ng d\u00e0i h\u01a1n; n\u1ebfu c\u1ea7n t\u00edn hi\u1ec7u qua tang th\u00ec d\u00f9ng b\u1ea3n LWL, v\u00e0 t\u00ednh th\u00eam suy hao quang v\u00e0 b\u00e1n k\u00ednh u\u1ed1n theo c\u00e1p l\u1ef1c.<\/p>\n<h3>7.2 C\u00e1p m\u1ecf ICEA SHD-GC<\/h3>\n<p>C\u00e1p m\u1ecf ICEA S-75-381 lo\u1ea1i SHD-GC (ba l\u00f5i, hai d\u00e2y \u0111\u1ea5t v\u00e0 m\u1ed9t d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba, v\u1ecf CPE gia c\u01b0\u1eddng h\u1edf) l\u00e0 \u0111\u1ed1i ch\u1ee9ng g\u1ea7n nh\u1ea5t v\u1ec1 c\u1ea5p 8 v\u00e0 15 kV<sup class=\"ref-n\">[6]<\/sup>; \u0111i\u1ec1u th\u00fa v\u1ecb l\u00e0 c\u1ea5u h\u00ecnh l\u00f5i gi\u1ed1ng PROTOLON n\u00e0y (ba pha + hai PE + m\u1ed9t ground check):<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:1100px\"><caption>PROTOLON (SM-R) (N)TSCGEW\u00d6U so v\u1edbi c\u00e1p m\u1ecf ICEA SHD-GC c\u1ee7a IEWC (c\u00f9ng c\u1ee1 ru\u1ed9t pha, c\u00f9ng c\u1ea5p \u0111i\u1ec7n \u00e1p; t\u00e1c gi\u1ea3 t\u00ednh)<\/caption><thead><tr><th>C\u1ea5p, c\u1ee1 ru\u1ed9t<\/th><th>SHD-GC: \u00d8 mm \/ kg\/km \/ A \u1edf 40 \u00b0C <sup class=\"ref-n\">[6]<\/sup><\/th><th>PROTOLON: \u00d8max mm \/ kg\/km \/ A quy v\u1ec1 40 \u00b0C<\/th><th>Ch\u00eanh \u00d8<\/th><th>Ch\u00eanh kh\u1ed1i l\u01b0\u1ee3ng<\/th><th>Ch\u00eanh d\u00f2ng<\/th><\/tr><\/thead><tbody><tr><td>8 kV, 4 AWG<\/td><td>49,3 \/ 3&nbsp;439 \/ 122<\/td><td>50,7 \/ 3&nbsp;600 \/ 120<\/td><td>+2,8 %<\/td><td>+4,7 %<\/td><td>\u22121,2 %<\/td><\/tr><tr><td>8 kV, 2 AWG<\/td><td>53,8 \/ 4&nbsp;463 \/ 159<\/td><td>56,0 \/ 4&nbsp;550 \/ 161<\/td><td>+4,1 %<\/td><td>+1,9 %<\/td><td>+1,0 %<\/td><\/tr><tr><td>8 kV, 1 AWG<\/td><td>56,1 \/ 5&nbsp;284 \/ 184<\/td><td>58,5 \/ 5&nbsp;130 \/ 186<\/td><td>+4,3 %<\/td><td>\u22122,9 %<\/td><td>+1,2 %<\/td><\/tr><tr><td>8 kV, 4\/0 AWG<\/td><td>69,9 \/ 8&nbsp;927 \/ 321<\/td><td>72,3 \/ 8&nbsp;850 \/ 332<\/td><td>+3,4 %<\/td><td>\u22120,9 %<\/td><td>+3,5 %<\/td><\/tr><tr><td>15 kV, 2 AWG<\/td><td>61,2 \/ 5&nbsp;520 \/ 164<\/td><td>62,6 \/ 5&nbsp;530 \/ 161<\/td><td>+2,3 %<\/td><td>+0,2 %<\/td><td>\u22122,0 %<\/td><\/tr><tr><td>15 kV, 1 AWG<\/td><td>64,0 \/ 6&nbsp;434 \/ 187<\/td><td>65,8 \/ 6&nbsp;200 \/ 186<\/td><td>+2,8 %<\/td><td>\u22123,6 %<\/td><td>\u22120,4 %<\/td><\/tr><\/tbody><\/table><\/div>\n<p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> \u1ede \u0111\u00fang c\u1ea5u h\u00ecnh ba pha + hai PE + ground check, PROTOLON ch\u1ec9 l\u1edbn h\u01a1n c\u00e1p m\u1ecf c\u00f9ng c\u1ea5p 2,3 \u2013 4,3 % v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 ch\u00eanh t\u1eeb \u22123,6 % \u0111\u1ebfn +4,7 % v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng; d\u00f2ng quy v\u1ec1 40 \u00b0C ch\u00eanh t\u1eeb \u22122,0 % \u0111\u1ebfn +3,5 %. \u0110\u00e2y l\u00e0 hai h\u1ecd kh\u00e1c thi\u1ebft k\u1ebf: SHD-GC l\u00e0 c\u00e1p k\u00e9o l\u00ea, PROTOLON c\u00f3 b\u1ec7n polyester v\u00e0 v\u1ecf cho tang. Khi m\u1ed9t d\u1ef1 \u00e1n m\u1ecf vi\u1ebft y\u00eau c\u1ea7u theo ICEA SHD-GC nh\u01b0ng thi\u1ebft b\u1ecb d\u00f9ng tang, c\u1ea7n l\u00e0m r\u00f5 c\u00e1p tang cu\u1ed1n (nh\u01b0 h\u1ecd n\u00e0y) hay c\u00e1p k\u00e9o l\u00ea m\u1edbi l\u00e0 \u0111\u00fang lo\u1ea1i.<\/p>\n<h3>7.3 C\u00e1c h\u1ecd c\u00e1p tang cu\u1ed1n kh\u00e1c<\/h3>\n<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>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody>\n<tr><td>PROTOLON (SM-R) AWG (N)TSCGEW\u00d6U 8 \/ 15 kV (b\u00e0i n\u00e0y)<\/td><td>8, 15 kV; 4 AWG \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>PCP 5GM5; b\u1ec7n polyester; kh\u00f4ng s\u1ee3i quang<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup><\/td><\/tr>\n<tr><td>PROTOLON (SM-R)-LWL AWG 5 \/ 8 \/ 15 kV<\/td><td>5, 8, 15 kV; 4 AWG \u2013 4\/0 AWG (5 kV t\u1edbi 500 MCM)<\/td><td>20 t\u0129nh \/ 30 \u0111\u1ed9ng N\/mm\u00b2<\/td><td>\u00b125 \u00b0\/m<\/td><td>nh\u01b0 tr\u00ean<\/td><td>10\u00d7D<\/td><td>c\u00f3 ph\u1ea7n t\u1eed s\u1ee3i quang<sup class=\"ref-n\">[3]<\/sup><\/td><\/tr>\n<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>m\u00e1y l\u1ed9 thi\u00ean; tang mono-spiral v\u00e0 tang tr\u1ee5<sup class=\"ref-n\">[12]<\/sup><\/td><\/tr>\n<tr><td>PROTOLON (SMK) (N)TSCGEW\u00d6U<\/td><td>6\/10 kV<\/td><td>30 N\/mm\u00b2<\/td><td>\u00b125 \u00b0\/m<\/td><td>240 m\/ph\u00fat<\/td><td>\u2014<\/td><td>c\u1ea9u container t\u1ed1c \u0111\u1ed9 cao<sup class=\"ref-n\">[12]<\/sup><\/td><\/tr>\n<tr><td>PROTOLON (FL)-LWL (d\u1eb9t)<\/td><td>3,6\/6 \u2013 6\/10 kV<\/td><td>15 N\/mm\u00b2<\/td><td>kh\u00f4ng cho ph\u00e9p<\/td><td>120 m\/ph\u00fat<\/td><td>10\u00d7D (D = 1,5 \u00d7 chi\u1ec1u cao)<\/td><td>ch\u1ec9 u\u1ed1n m\u1ed9t m\u1eb7t ph\u1eb3ng<sup class=\"ref-n\">[12]<\/sup><\/td><\/tr>\n<tr><td>BUFLEX-M c\u1ee7a FeiChun<\/td><td>0,6\/1 \u2013 6,6\/6,6 kV<\/td><td>l\u00f5i aramid \u1edf t\u00e2m<\/td><td>b\u1ec7n ch\u1ed1ng xo\u1eafn<\/td><td>tang 60 m\/ph\u00fat; festoon 200 m\/ph\u00fat<\/td><td>6\u00d7D c\u1ed1 \u0111\u1ecbnh, 8\u00d7D chuy\u1ec3n \u0111\u1ed9ng<\/td><td>PUR polyether; tr\u00ean 1 tri\u1ec7u chu k\u1ef3 \u1edf b\u00e1n k\u00ednh danh \u0111\u1ecbnh (FeiChun n\u00eau)<sup class=\"ref-n\">[10]<\/sup><\/td><\/tr><\/tbody><\/table><\/div>\n<p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> C\u00e1p (SM-R) c\u00f9ng c\u1ea5p l\u1ef1c k\u00e9o v\u00e0 xo\u1eafn v\u1edbi h\u1ecd SMK (30 N\/mm\u00b2 \u0111\u1ed9ng, \u00b125 \u00b0\/m), 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). Ba \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd: 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>\n<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>\n<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; theo FeiChun 5GM5: k\u00e9o \u2265 15 N\/mm\u00b2, gi\u00e3n d\u00e0i \u2265 300 %, x\u00e9 \u2265 30 N\/mm<\/td><td>ch\u1ee9a clo (kh\u00f4ng ph\u1ea3i LSZH); h\u00fat \u1ea9m 1,5 \u2013 3 % theo FeiChun; m\u1ec1m l\u1ea1nh t\u1edbi \u221235 \u00b0C theo datasheet<\/td><td><sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[10]<\/sup><\/td><\/tr>\n<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\">[11]<\/sup><\/td><\/tr>\n<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; ph\u1ea3i x\u00e1c nh\u1eadn g\u1ed1c polyol v\u00e0 s\u1ed1 \u0111o th\u1ef1c<\/td><td><sup class=\"ref-n\">[10]<\/sup><sup class=\"ref-n\">[11]<\/sup><\/td><\/tr><\/tbody><\/table><\/div>\n<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, m\u1ea1ng 8 \u2013 15 kV ki\u1ec3u ICEA, kh\u00f4ng c\u1ea7n t\u00edn hi\u1ec7u qua c\u00e1p \u2192 h\u1ecd (SM-R) c\u1ee1 AWG n\u00e0y; c\u1ea7n c\u1ea3 d\u1eef li\u1ec7u \u2192 b\u1ea3n LWL; theo VDE U0\/U \u2192 (M) R, SMK. 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><section id=\"s8\"><h2>8. \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<\/h2>\n<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><sup class=\"ref-n\">[2]<\/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, d\u1ea5u h\u1ecfi v\u00e0ng l\u00e0 tr\u01b0\u1eddng h\u1ee3p c\u1ea7n h\u1ecfi h\u00e3ng.<\/p>\n<div class=\"imgcap\"><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Tang cu\u1ed1n (mono-spiral)\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200.0\" y=\"22.0\" 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\" cy=\"122\" r=\"78\" fill=\"#16262c\" stroke=\"#2a4650\" stroke-width=\"2\"\/><path d=\"M130.0 102.0 L132.6 102.0 L135.3 102.3 L137.9 103.0 L140.4 104.0 L142.7 105.4 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text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#38c8e8\" font-weight=\"normal\">2 l\u1edbp<\/text><line x1=\"276\" y1=\"109.2\" x2=\"294\" y2=\"109.2\" stroke=\"#ffb454\" stroke-width=\"2\"\/><text x=\"300.0\" 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\" y1=\"90.8\" x2=\"294\" y2=\"90.8\" stroke=\"#ff777f\" stroke-width=\"2\"\/><text x=\"300.0\" 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=\"24.0\" y=\"198.0\" 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=\"24.0\" y=\"218.0\" 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=\"24.0\" y=\"238.0\" 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><path d=\"M340 34 l9 9 l19 -22\" fill=\"none\" stroke=\"#5fd88a\" stroke-width=\"6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/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 \u2013 thu h\u1ed3i tr\u00ean b\u00e3i h\u00e0ng r\u1eddi\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200.0\" y=\"22.0\" 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\" y=\"196\" width=\"400\" height=\"54\" fill=\"#16262c\"\/><path d=\"M30 196 L120 128 L210 196 Z\" fill=\"#2f3a40\" stroke=\"#3a4a52\" stroke-width=\"1.5\"\/><line x1=\"20\" y1=\"196\" x2=\"380\" y2=\"196\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><rect x=\"250\" y=\"150\" width=\"60\" height=\"32\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\"\/><line x1=\"252\" y1=\"150\" x2=\"176\" y2=\"98\" stroke=\"#9cc0cc\" stroke-width=\"5\"\/><line x1=\"280\" y1=\"150\" x2=\"280\" y2=\"118\" stroke=\"#9cc0cc\" stroke-width=\"4\"\/><line x1=\"280\" y1=\"118\" x2=\"176\" y2=\"98\" stroke=\"#6f7b82\" stroke-width=\"1.5\"\/><circle cx=\"262.0\" cy=\"190.0\" r=\"6.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\"\/><circle cx=\"300.0\" cy=\"190.0\" r=\"6.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\"\/><rect x=\"300\" y=\"118\" width=\"36\" height=\"26\" fill=\"#2a4650\" stroke=\"#e8c37b\" stroke-width=\"1.5\"\/><circle cx=\"318.0\" cy=\"131.0\" r=\"8.0\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"2\"\/><path d=\"M336 140 C 350 190, 360 190, 372 196 L 390 196\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M336 140 C 350 190, 360 190, 372 196 L 390 196\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M336 140 C 350 190, 360 190, 372 196 L 390 196\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-dasharray=\"2 5\"\/><text x=\"376.0\" y=\"214.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11\" fill=\"#9cc0cc\" font-weight=\"normal\">\u0111i\u1ec3m c\u1ea5p<\/text><text x=\"24.0\" y=\"222.0\" 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=\"24.0\" y=\"240.0\" 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\"\/><\/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><sup class=\"ref-n\">[2]<\/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 (RMG, RTG)\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200.0\" y=\"22.0\" 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\" y=\"206\" width=\"400\" height=\"44\" fill=\"#16262c\"\/><line x1=\"30\" y1=\"206\" x2=\"370\" y2=\"206\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><line x1=\"70\" y1=\"206\" x2=\"90\" y2=\"70\" stroke=\"#9cc0cc\" stroke-width=\"5\"\/><line x1=\"310\" y1=\"206\" x2=\"290\" y2=\"70\" stroke=\"#9cc0cc\" stroke-width=\"5\"\/><rect x=\"70\" y=\"60\" width=\"240\" height=\"12\" fill=\"#6f7b82\" stroke=\"#38c8e8\" stroke-width=\"1.2\"\/><rect x=\"150\" y=\"72\" width=\"60\" height=\"18\" fill=\"#22333b\" stroke=\"#e8c37b\" stroke-width=\"1.2\"\/><line x1=\"180\" y1=\"90\" x2=\"180\" y2=\"132\" stroke=\"#9cc0cc\" 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stroke=\"#3b4248\" stroke-width=\"6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M70 150 C 40 190, 40 200, 36 206\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-dasharray=\"2 5\"\/><text x=\"24.0\" y=\"222.0\" 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=\"24.0\" y=\"240.0\" 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\"\/><\/svg><figcaption>C\u1ea9u gi\u00e0n container: 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><sup class=\"ref-n\">[2]<\/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 d\u1ee1 t\u00e0u (ship loader, unloader)\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200.0\" y=\"22.0\" 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\" y=\"176\" width=\"400\" height=\"74\" fill=\"#123240\"\/><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\"\/><rect x=\"0\" y=\"160\" width=\"120\" height=\"16\" fill=\"#3a4a52\"\/><path d=\"M190 176 L 400 176 L 380 214 L 215 214 Z\" fill=\"#3b4248\" stroke=\"#0a1014\" stroke-width=\"1.5\"\/><rect x=\"250\" y=\"150\" width=\"70\" height=\"26\" fill=\"#2a4650\" stroke=\"#0a1014\"\/><rect x=\"86\" y=\"60\" width=\"24\" height=\"100\" fill=\"#6f7b82\"\/><line x1=\"98\" y1=\"66\" x2=\"250\" y2=\"100\" stroke=\"#9cc0cc\" stroke-width=\"5\"\/><line x1=\"98\" y1=\"66\" x2=\"60\" y2=\"100\" stroke=\"#9cc0cc\" stroke-width=\"4\"\/><rect x=\"100\" y=\"110\" width=\"30\" height=\"22\" fill=\"#2a4650\" stroke=\"#e8c37b\" stroke-width=\"1.5\"\/><circle cx=\"115.0\" cy=\"121.0\" r=\"8.0\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"2\"\/><path d=\"M100 132 C 70 150, 40 150, 28 160\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"9\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M100 132 C 70 150, 40 150, 28 160\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M100 132 C 70 150, 40 150, 28 160\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-dasharray=\"2 5\"\/><text x=\"24.0\" y=\"222.0\" 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=\"24.0\" y=\"240.0\" 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\"\/><\/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 (\u2248 30 \u2013 74 m \u1edf 20 N\/mm\u00b2, t\u00f9y c\u1ee1 v\u00e0 c\u1ea5p \u0111i\u1ec7n \u00e1p)<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"\u0110\u1ed5i h\u01b0\u1edbng ch\u1eef S qua con l\u0103n\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200.0\" y=\"22.0\" 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 cx=\"250.0\" cy=\"150.0\" r=\"34.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"2\"\/><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\" stroke-linejoin=\"round\"\/><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\" stroke-linejoin=\"round\"\/><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=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-dasharray=\"2 5\"\/><line x1=\"130\" y1=\"100\" x2=\"130\" y2=\"168\" stroke=\"#9cc0cc\" stroke-width=\"1\" stroke-dasharray=\"3 3\"\/><line x1=\"250\" y1=\"150\" x2=\"250\" y2=\"168\" stroke=\"#9cc0cc\" stroke-width=\"1\" stroke-dasharray=\"3 3\"\/><line x1=\"130\" y1=\"176\" x2=\"250\" y2=\"176\" stroke=\"#e8c37b\" stroke-width=\"1.4\"\/><text x=\"190.0\" y=\"196.0\" 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=\"200.0\" y=\"216.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\">D = 61,0 mm \u2192 kho\u1ea3ng c\u00e1ch \u2265 1&nbsp;220 mm<\/text><text x=\"200.0\" y=\"235.0\" 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 (R = 10\u00d7D)<\/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 = 61,0 mm \u2192 \u2265 1&nbsp;220 mm; 3\u00d74\/0 AWG 15 kV D = 81,5 mm \u2192 \u2265 1&nbsp;630 mm), \u0111\u01b0\u1eddng k\u00ednh con l\u0103n \u2265 2R<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/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: ngo\u00e0i ph\u1ea1m vi datasheet\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200.0\" y=\"22.0\" 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\" y=\"66\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"30\" y=\"150\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"58\" y=\"66\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"58\" y=\"150\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"86\" y=\"66\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"86\" y=\"150\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"114\" y=\"66\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"114\" y=\"150\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"142\" y=\"66\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"142\" y=\"150\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"170\" y=\"66\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"170\" y=\"150\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"198\" y=\"66\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"198\" y=\"150\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"226\" y=\"66\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"226\" y=\"150\" width=\"24\" height=\"12\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><path d=\"M242 72 A 42 42 0 0 1 242 156\" fill=\"none\" stroke=\"#38c8e8\" stroke-width=\"9\"\/><path d=\"M30 114 H 245\" fill=\"none\" stroke=\"#0a1014\" stroke-width=\"25\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M30 114 H 245\" fill=\"none\" stroke=\"#3b4248\" stroke-width=\"22\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M30 114 H 245\" fill=\"none\" stroke=\"#6f7b82\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-dasharray=\"2 5\"\/><text x=\"24.0\" y=\"190.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#ff777f\" font-weight=\"bold\">\u00d8 46,7 \u2013 81,5 mm \u00b7 3,6 \u2013 10,8 kg\/m<\/text><text x=\"24.0\" y=\"208.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\">R x\u00edch \u2265 10\u00d7D \u2248 507 \u2013 815 mm<\/text><text x=\"24.0\" y=\"226.0\" 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=\"24.0\" y=\"244.0\" 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><line x1=\"344\" y1=\"20\" x2=\"372\" y2=\"48\" stroke=\"#ff777f\" stroke-width=\"6\"\/><line x1=\"344\" y1=\"48\" x2=\"372\" y2=\"20\" stroke=\"#ff777f\" stroke-width=\"6\"\/><\/svg><figcaption>X\u00edch d\u1eabn c\u00e1p: datasheet ch\u1ec9 li\u1ec7t k\u00ea tang, kh\u00f4ng n\u00eau x\u00edch; c\u00e1p \u00d8 46,7 \u2013 81,5 mm, 3,6 \u2013 10,8 kg\/m, R \u2265 10\u00d7D; c\u1ea7n h\u00e3ng x\u00edch v\u00e0 h\u00e3ng c\u00e1p x\u00e1c nh\u1eadn b\u1eb1ng v\u0103n b\u1ea3n; c\u00e1p x\u00edch d\u1eabn chuy\u00ean d\u1ee5ng c\u1ee7a FeiChun l\u00e0 h\u1ecd ri\u00eang (m\u1ee5c 14)<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/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 tr\u00ean n\u1ec1n \u0111\u00e1, m\u1eb7t m\u1ecf: kh\u00f4ng d\u00f9ng\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200.0\" y=\"22.0\" 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\"\/><rect x=\"30\" y=\"116\" width=\"76\" height=\"32\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\"\/><circle cx=\"48.0\" cy=\"154.0\" r=\"9.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\"\/><circle cx=\"88.0\" cy=\"154.0\" r=\"9.0\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\"\/><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 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\"\/><text x=\"24.0\" y=\"200.0\" 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=\"24.0\" y=\"220.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#9cc0cc\" font-weight=\"normal\">L\u00ea t\u0129nh ch\u1ec9 \u2248 50 \u2013 123 m (\u03bc = 0,6)<\/text><text x=\"24.0\" y=\"240.0\" 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><line x1=\"344\" y1=\"20\" x2=\"372\" y2=\"48\" stroke=\"#ff777f\" stroke-width=\"6\"\/><line x1=\"344\" y1=\"48\" x2=\"372\" y2=\"20\" stroke=\"#ff777f\" stroke-width=\"6\"\/><\/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\">[10]<\/sup><sup class=\"ref-n\">[11]<\/sup><\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Treo th\u1eb3ng \u0111\u1ee9ng tr\u00ean th\u00e1p, c\u1ea7n\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200.0\" y=\"22.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\">Treo th\u1eb3ng \u0111\u1ee9ng tr\u00ean th\u00e1p, c\u1ea7n<\/text><rect x=\"40\" y=\"46\" width=\"14\" height=\"150\" fill=\"#6f7b82\"\/><rect x=\"30\" y=\"196\" width=\"34\" height=\"8\" fill=\"#3a4a52\"\/><line x1=\"47\" y1=\"46\" x2=\"200\" y2=\"46\" stroke=\"#9cc0cc\" stroke-width=\"5\"\/><rect x=\"170\" y=\"38\" width=\"30\" height=\"18\" fill=\"#2a4650\" stroke=\"#e8c37b\" stroke-width=\"1.5\"\/><circle cx=\"185.0\" cy=\"47.0\" r=\"6.0\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"2\"\/><line x1=\"185\" y1=\"56\" x2=\"185\" y2=\"196\" stroke=\"#0a1014\" stroke-width=\"9\"\/><line x1=\"185\" y1=\"56\" x2=\"185\" y2=\"196\" stroke=\"#3b4248\" stroke-width=\"6\"\/><rect x=\"165\" y=\"196\" width=\"40\" height=\"22\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"1.5\"\/><line x1=\"235\" y1=\"56\" x2=\"235\" y2=\"196\" stroke=\"#e8c37b\" stroke-width=\"1.4\"\/><line x1=\"228\" y1=\"56\" x2=\"242\" y2=\"56\" stroke=\"#e8c37b\"\/><line x1=\"228\" y1=\"196\" x2=\"242\" y2=\"196\" stroke=\"#e8c37b\"\/><text x=\"250.0\" y=\"100.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#e8c37b\" font-weight=\"bold\">L = T \/ (m\u2032\u00b7g)<\/text><text x=\"250.0\" y=\"122.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#ffb454\" font-weight=\"bold\">8 kV: 74 m<\/text><text x=\"250.0\" y=\"142.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#ff777f\" font-weight=\"bold\">15 kV: 61 m<\/text><text x=\"250.0\" y=\"162.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"11.5\" fill=\"#9cc0cc\" font-weight=\"normal\">(3\u00d74\/0 AWG, 20 N\/mm\u00b2)<\/text><text x=\"24.0\" y=\"236.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#e8c37b\" font-weight=\"normal\">\u0110o\u1ea1n treo d\u00e0i h\u01a1n: \u0111\u1ee1 c\u00e1p theo \u0111o\u1ea1n ho\u1eb7c h\u1ecfi bi\u1ebfn th\u1ec3 aramid<\/text><circle cx=\"356\" cy=\"36\" r=\"18\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"4\"\/><text x=\"356\" y=\"45\" text-anchor=\"middle\" font-family=\"Arial\" font-size=\"24\" fill=\"#e8c37b\" font-weight=\"bold\">?<\/text><\/svg><figcaption>\u0110o\u1ea1n treo th\u1eb3ng \u0111\u1ee9ng: 3\u00d74\/0 AWG ch\u1ec9 treo t\u0129nh \u0111\u01b0\u1ee3c kho\u1ea3ng 74 m \u1edf 8 kV v\u00e0 61 m \u1edf 15 kV (T = 20 N\/mm\u00b2); th\u00e1p x\u1ebfp d\u1ee1 t\u00e0u v\u00e0 c\u1ea7n m\u00e1y x\u00fac cao h\u01a1n m\u1ee9c n\u00e0y ph\u1ea3i \u0111\u1ee1 c\u00e1p theo \u0111o\u1ea1n<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[10]<\/sup><\/figcaption><\/figure><\/div>\n<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>\n<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; 6,6 kV \u2192 8 kV, 11 kV \u2192 15 kV<\/td><\/tr>\n<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>\n<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 \u2248 30 \u2013 74 m \u1edf 20 N\/mm\u00b2 (m\u1ee5c 5.1, b\u1ea3ng c\u1ee7a \u0111\u00fang c\u1ea5p); 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>\n<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>\n<tr><td>M\u00e1y x\u00fac, m\u00e1y nghi\u1ec1n di \u0111\u1ed9ng \u1edf m\u1ecf<\/td><td>k\u00e9o, xo\u1eafn, m\u00e0i m\u00f2n khi l\u00ea<\/td><td>datasheet kh\u00f4ng li\u1ec7t k\u00ea; h\u1ecfi h\u00e3ng s\u1ed1 chu k\u1ef3 u\u1ed1n v\u00e0 h\u1ed3 s\u01a1 ph\u00ea duy\u1ec7t (MSHA, UL trong datasheet l\u00e0 c\u1ee7a Prysmian)<\/td><\/tr>\n<tr><td>Festoon<\/td><td>c\u00e1p n\u1eb7ng 3,6 \u2013 10,8 kg\/m, \u00d8 46,7 \u2013 81,5 mm<\/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>\n<tr><td>X\u00edch d\u1eabn c\u00e1p<\/td><td>u\u1ed1n l\u1eb7p m\u1ed9t m\u1eb7t ph\u1eb3ng; \u00d8 l\u1edbn<\/td><td>datasheet kh\u00f4ng n\u00eau; R x\u00edch \u2265 10\u00d7D (507 \u2013 815 mm); h\u00e3ng x\u00edch v\u00e0 h\u00e3ng c\u00e1p x\u00e1c nh\u1eadn; s\u1ed1 chu k\u1ef3 u\u1ed1n<\/td><\/tr>\n<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&nbsp;014 \u2013 1&nbsp;630 mm); \u0111\u01b0\u1eddng k\u00ednh con l\u0103n \u2265 2R<\/td><\/tr>\n<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 \u2248 30 \u2013 74 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>\n<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>\n<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>\n<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\">[10]<\/sup><\/td><\/tr><\/tbody><\/table><\/div>\n<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 c\u00e1ch \u0111i\u1ec7n v\u00e0 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><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 v\u00e0 c\u00e1p tang cu\u1ed1n ch\u1ecbu k\u00e9o, ch\u1ecbu u\u1ed1n v\u00e0 m\u00e0i m\u00f2n<\/h2>\n<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<sup class=\"ref-n\">[11]<\/sup>. C\u00e1p tang cu\u1ed1n trung th\u1ebf 8 \u2013 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 v\u1ecf do ti\u1ebfp x\u00fac l\u1eb7p l\u1ea1i v\u1edbi b\u1ec1 m\u1eb7t tang<sup class=\"ref-n\">[11]<\/sup>. C\u00e1c n\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00f4ng b\u1ed1 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>\n<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>\n<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>\n<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 ho\u1eb7c ch\u1ea5p nh\u1eadn t\u1ef7 l\u1ec7 h\u1ecfng<sup class=\"ref-n\">[11]<\/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\">[11]<\/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\">[11]<\/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\">[10]<\/sup>.<\/p>\n<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>\n<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>\n<tr><td>Ru\u1ed9t<\/td><td>\u0111\u1ed9 d\u00e0y l\u1edbp thi\u1ebfc; \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>\n<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&nbsp;000 h \u1edf 90 \u00b0C (EPR ch\u1ed1ng th\u1ee7y ph\u00e2n)<\/td><\/tr>\n<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>\n<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>\n<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>\n<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\">[11]<\/sup>. Kh\u00f4ng c\u00f3 s\u1ed1 li\u1ec7u ri\u00eang cho m\u00e3 8 kV ho\u1eb7c 15 kV.<\/p>\n<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>\n<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>\n<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\">[10]<\/sup><sup class=\"ref-n\">[11]<\/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\">[10]<\/sup><\/td><td>s\u1ed1 chu k\u1ef3 th\u1eed theo R = 10\u00d7D, t\u1ed1c \u0111\u1ed9 v\u00e0 ti\u00eau ch\u00ed \u0111\u1ea1t; class FS hay class 5\/6<\/td><\/tr>\n<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\">[10]<\/sup><\/td><td>(N)TSKCGEW\u00d6U: ch\u1eef K d\u00f9ng cho tuy\u1ebfn d\u00e0i tr\u00ean 200 m ho\u1eb7c tang th\u1eb3ng \u0111\u1ee9ng<sup class=\"ref-n\">[10]<\/sup><\/td><td>bi\u00ean b\u1ea3n th\u1eed xo\u1eafn \u00b125 \u00b0\/m theo \u0111\u00fang m\u00e3; c\u00f3 aramid hay kh\u00f4ng<\/td><\/tr>\n<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\">[10]<\/sup><sup class=\"ref-n\">[11]<\/sup><\/td><td>5GM5: k\u00e9o \u2265 15 N\/mm\u00b2, x\u00e9 \u2265 30 N\/mm; PUR polyether h\u00fat \u1ea9m d\u01b0\u1edbi 0,8 %<sup class=\"ref-n\">[10]<\/sup><sup class=\"ref-n\">[11]<\/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>\n<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\">[11]<\/sup><\/td><td>EPR gi\u1eef tr\u00ean 90 % \u0111i\u1ec7n m\u00f4i sau 1&nbsp;000 h ng\u00e2m n\u01b0\u1edbc 90 \u00b0C, so v\u1edbi 60 \u2013 70 % c\u1ee7a EPR peroxide<sup class=\"ref-n\">[11]<\/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>\n<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\">[10]<\/sup><sup class=\"ref-n\">[11]<\/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\">[11]<\/sup><\/td><td>\u0111o PD (n\u1ebfu h\u1ee3p \u0111\u1ed3ng \u0111\u00f2i); l\u1ef1c b\u00f3c l\u1edbp ngo\u00e0i; m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100 \/ 133 %<\/td><\/tr><\/tbody><\/table><\/div>\n<h3>9.3 Hai h\u01b0\u1edbng thi\u1ebft k\u1ebf: tang cu\u1ed1n trung th\u1ebf v\u00e0 c\u00e1p k\u00e9o l\u00ea v\u1ecf CPE<\/h3>\n<div class=\"svg\"><svg viewBox=\"0 0 1300 560\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Hai h\u1ecd c\u00e1p FeiChun: tang cu\u1ed1n trung th\u1ebf v\u00e0 k\u00e9o l\u00ea m\u1ecf\"><defs><pattern id=\"cuH\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"\/><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"\/><\/pattern><pattern id=\"tinH\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"\/><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"\/><\/pattern><pattern id=\"plH\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"\/><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"\/><\/pattern><\/defs><rect x=\"0\" y=\"0\" width=\"1300\" height=\"560\" fill=\"#0e1a1e\"\/><text x=\"30.0\" y=\"32.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">Hai h\u01b0\u1edbng thi\u1ebft k\u1ebf c\u1ee7a FeiChun: c\u00e1p tang cu\u1ed1n trung th\u1ebf v\u00e0 c\u00e1p k\u00e9o l\u00ea m\u1ecf (s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd theo m\u00f4 t\u1ea3 c\u00f4ng b\u1ed1)<\/text><text x=\"300.0\" y=\"62.0\" 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)TSCGEW\u00d6U<\/text><circle cx=\"300.0\" cy=\"215.0\" r=\"112.2\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\"\/><circle cx=\"300\" cy=\"215\" r=\"93.5\" fill=\"#4a4f56\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"300\" cy=\"215\" r=\"91.8\" fill=\"none\" stroke=\"url(#plH)\" stroke-width=\"4.1\"\/><circle cx=\"300.0\" cy=\"174.0\" r=\"35.5\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"300.0\" cy=\"174.0\" r=\"32.8\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"300.0\" cy=\"174.0\" r=\"20.7\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"300.0\" cy=\"174.0\" r=\"18.0\" fill=\"url(#cuH)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"335.5\" cy=\"235.5\" r=\"35.5\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"335.5\" cy=\"235.5\" r=\"32.8\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"335.5\" cy=\"235.5\" r=\"20.7\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"335.5\" cy=\"235.5\" r=\"18.0\" fill=\"url(#cuH)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"264.5\" cy=\"235.5\" r=\"35.5\" fill=\"#15181b\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"264.5\" cy=\"235.5\" r=\"32.8\" fill=\"#b4684a\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"264.5\" cy=\"235.5\" r=\"20.7\" fill=\"#2b2f33\" stroke=\"#0a1014\" stroke-width=\"0.6\"\/><circle cx=\"264.5\" cy=\"235.5\" r=\"18.0\" fill=\"url(#cuH)\" stroke=\"#cfd8dc\" stroke-width=\"1\"\/><circle cx=\"342.0\" cy=\"190.8\" r=\"9.7\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"258.0\" cy=\"190.8\" r=\"9.7\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"300.0\" cy=\"264.3\" r=\"10.2\" fill=\"#f2d13a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"300.0\" cy=\"264.3\" r=\"4.6\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"0.6\"\/><circle cx=\"300.0\" cy=\"215.0\" r=\"7.1\" fill=\"#202428\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"900.0\" y=\"62.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14.5\" fill=\"#e8c37b\" font-weight=\"bold\">B. Type 275 \/ 240: k\u00e9o l\u00ea m\u1ecf, v\u1ecf CPE d\u00e0y<\/text><circle cx=\"900.0\" cy=\"215.0\" r=\"140.0\" fill=\"#23272b\" stroke=\"#0a1014\" stroke-width=\"3\"\/><circle cx=\"900.0\" cy=\"215.0\" r=\"113.0\" fill=\"#3f454c\" stroke=\"#0a1014\" stroke-width=\"1.2\"\/><circle cx=\"900.0\" cy=\"215.0\" r=\"100.0\" fill=\"#2a3b44\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"900\" cy=\"215\" r=\"118\" fill=\"none\" stroke=\"#e9e4d6\" stroke-width=\"5\" stroke-dasharray=\"3 3\"\/><circle cx=\"900.0\" cy=\"215.0\" r=\"12.0\" fill=\"#c9c2ae\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"900.0\" cy=\"215.0\" r=\"6.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\"\/><circle cx=\"900.0\" cy=\"153.0\" r=\"34.0\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"900.0\" cy=\"153.0\" r=\"30.0\" fill=\"#e6dcc3\" stroke=\"#0a1014\" stroke-width=\"1.4\"\/><circle cx=\"900.0\" cy=\"153.0\" r=\"17.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\"\/><circle cx=\"953.7\" cy=\"246.0\" r=\"34.0\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"953.7\" cy=\"246.0\" r=\"30.0\" fill=\"#e6dcc3\" stroke=\"#0a1014\" stroke-width=\"1.4\"\/><circle cx=\"953.7\" cy=\"246.0\" r=\"17.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\"\/><circle cx=\"846.3\" cy=\"246.0\" r=\"34.0\" fill=\"url(#tinH)\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"846.3\" cy=\"246.0\" r=\"30.0\" fill=\"#e6dcc3\" stroke=\"#0a1014\" stroke-width=\"1.4\"\/><circle cx=\"846.3\" cy=\"246.0\" r=\"17.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\"\/><circle cx=\"984.9\" cy=\"166.0\" r=\"13.0\" fill=\"#2fa84f\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"984.9\" cy=\"166.0\" r=\"7.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\"\/><circle cx=\"900.0\" cy=\"313.0\" r=\"13.0\" fill=\"#2fa84f\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"900.0\" cy=\"313.0\" r=\"7.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\"\/><circle cx=\"815.1\" cy=\"166.0\" r=\"13.0\" fill=\"#2fa84f\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"815.1\" cy=\"166.0\" r=\"7.0\" fill=\"url(#cuH)\" stroke=\"#c47a3a\" stroke-width=\"1\"\/><circle cx=\"40.0\" cy=\"400.0\" r=\"8.0\" fill=\"#5fd88a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"58.0\" y=\"405.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">Hai d\u00e2y PE + d\u00e2y ground check trong khe gi\u1eefa c\u00e1c l\u00f5i<\/text><circle cx=\"40.0\" cy=\"428.0\" r=\"8.0\" fill=\"#e9e4d6\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"58.0\" y=\"433.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">B\u1ec7n polyester ch\u1ed1ng xo\u1eafn; v\u1ecf 5GM3\/5GM5 ho\u1eb7c PUR<\/text><circle cx=\"40.0\" cy=\"456.0\" r=\"8.0\" fill=\"#ffb454\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"58.0\" y=\"461.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">Ru\u1ed9t m\u1ea1 thi\u1ebfc, EPR b\u00e1n d\u1eabn trong \u2013 c\u00e1ch \u0111i\u1ec7n \u2013 b\u00e1n d\u1eabn ngo\u00e0i \u0111\u00f9n m\u1ed9t l\u1ea7n<\/text><circle cx=\"40.0\" cy=\"484.0\" r=\"8.0\" fill=\"#f6dc6b\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"58.0\" y=\"489.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">T\u00f9y ch\u1ecdn: l\u00f5i \u0111\u1ee1 aramid \u1edf t\u00e2m (ch\u1eef K)<\/text><circle cx=\"640.0\" cy=\"400.0\" r=\"8.0\" fill=\"#c98aff\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"658.0\" y=\"405.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">L\u00f5i d\u1eabn h\u01b0\u1edbng trung t\u00e2m; m\u00e0n ch\u1eafn composite \u0111\u1ed3ng \u2013 polyester<\/text><circle cx=\"640.0\" cy=\"428.0\" r=\"8.0\" fill=\"#38c8e8\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"658.0\" y=\"433.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">Ru\u1ed9t m\u1ea1 thi\u1ebfc, EPR ch\u1ed1ng th\u1ee7y ph\u00e2n (silane)<\/text><circle cx=\"640.0\" cy=\"456.0\" r=\"8.0\" fill=\"#7fd0e0\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"658.0\" y=\"461.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">S\u1ee3i tr\u01b0\u01a1ng n\u1edf ch\u1eb7n n\u01b0\u1edbc gi\u1eefa c\u00e1c l\u00f5i<\/text><circle cx=\"640.0\" cy=\"484.0\" r=\"8.0\" fill=\"#ff9f5a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><text x=\"658.0\" y=\"489.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">V\u1ecf CPE d\u00e0y, h\u00fat \u1ea9m d\u01b0\u1edbi 0,5 %, ch\u1ed1ng n\u1ea5m<\/text><text x=\"30.0\" y=\"540.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd theo datasheet [1][2] v\u00e0 m\u00f4 t\u1ea3 c\u1ee7a FeiChun [10][11]; s\u1ed1 l\u00f5i, k\u00edch th\u01b0\u1edbc, b\u1ec1 d\u00e0y v\u00e0 b\u01b0\u1edbc b\u1ec7n th\u1eadt theo b\u1ea3ng d\u1eef li\u1ec7u cho \u0111\u00fang m\u00e3; kh\u00f4ng theo t\u1ef7 l\u1ec7.<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 8. C\u00e1p tang cu\u1ed1n (A) ch\u1ecbu k\u00e9o v\u00e0 u\u1ed1n qua tang, n\u00ean c\u1ea7n b\u1ec7n ch\u1ed1ng xo\u1eafn v\u00e0 ru\u1ed9t s\u1ee3i m\u1ea3nh; c\u00e1p k\u00e9o l\u00ea (B) ch\u1ecbu m\u00e0i m\u00f2n n\u1ec1n n\u00ean c\u1ea7n v\u1ecf d\u00e0y v\u00e0 m\u00e0n ch\u1eafn: FeiChun x\u1ebfp m\u1ed7i h\u1ecd v\u00e0o m\u1ed9t ki\u1ec3u chuy\u1ec3n \u0111\u1ed9ng, kh\u00f4ng \u00ablai\u00bb gi\u1eefa hai lo\u1ea1i.<sup class=\"ref-n\">[10]<\/sup><\/div><\/div>\n<p><b>Di\u1ec5n gi\u1ea3i k\u1ef9 thu\u1eadt (t\u00e1c gi\u1ea3).<\/b> Nh\u00ecn hai 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 (bi\u1ebfn th\u1ec3 K) v\u00e0 BUFLEX-M, 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 8 kV v\u00e0 15 kV 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, 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: c\u00e1p tang cu\u1ed1n d\u00f9ng khi c\u00f3 tang ho\u1eb7c festoon, 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\">[11]<\/sup>. Quy t\u1eafc n\u00e0y kh\u1edbp v\u1edbi k\u1ebft lu\u1eadn c\u1ee7a m\u1ee5c 7 v\u00e0 8.<\/p>\n<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\">[10]<\/sup>.<\/p>\n<h3>9.4 V\u1eadt li\u1ec7u v\u1ecf: h\u00fat \u1ea9m, th\u1ee7y ph\u00e2n v\u00e0 c\u00e1i gi\u00e1 c\u1ee7a polyether<\/h3>\n<div class=\"svg\"><svg viewBox=\"0 0 900 450\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"H\u00fat \u1ea9m c\u1ee7a v\u1eadt li\u1ec7u v\u1ecf theo c\u00f4ng b\u1ed1 c\u1ee7a FeiChun (c\u1eadn tr\u00ean c\u1ee7a kho\u1ea3ng, %)\"><defs><pattern id=\"cuz\" width=\"5\" height=\"5\" patternUnits=\"userSpaceOnUse\"><rect width=\"5\" height=\"5\" fill=\"#7a5418\"\/><circle cx=\"2.5\" cy=\"2.5\" r=\"2.1\" fill=\"#e9c46a\"\/><\/pattern><pattern id=\"tinz\" width=\"8\" height=\"8\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(45)\"><rect width=\"8\" height=\"8\" fill=\"#6f7b82\"\/><rect width=\"8\" height=\"3.2\" fill=\"#cfd8dc\"\/><\/pattern><pattern id=\"plz\" width=\"7\" height=\"7\" patternUnits=\"userSpaceOnUse\" patternTransform=\"rotate(30)\"><rect width=\"7\" height=\"7\" fill=\"#e9e4d6\"\/><rect width=\"7\" height=\"2.6\" fill=\"#8a8470\"\/><\/pattern><\/defs><rect x=\"0\" y=\"0\" width=\"900\" height=\"450\" fill=\"#0e1a1e\"\/><text x=\"20.0\" y=\"30.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">H\u00fat \u1ea9m c\u1ee7a v\u1eadt li\u1ec7u v\u1ecf theo c\u00f4ng b\u1ed1 c\u1ee7a FeiChun (c\u1eadn tr\u00ean c\u1ee7a kho\u1ea3ng, %)<\/text><line x1=\"90\" y1=\"340.0\" x2=\"860\" y2=\"340.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"344.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">0<\/text><line x1=\"90\" y1=\"286.0\" x2=\"860\" y2=\"286.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"290.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">1<\/text><line x1=\"90\" y1=\"232.0\" x2=\"860\" y2=\"232.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"236.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">2<\/text><line x1=\"90\" y1=\"178.0\" x2=\"860\" y2=\"178.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"182.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">3<\/text><line x1=\"90\" y1=\"124.0\" x2=\"860\" y2=\"124.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"128.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">4<\/text><line x1=\"90\" y1=\"70.0\" x2=\"860\" y2=\"70.0\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"80.0\" y=\"74.0\" text-anchor=\"end\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">5<\/text><text x=\"20.0\" y=\"56.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">%<\/text><rect x=\"170.2\" y=\"178.0\" width=\"32.0\" height=\"162.0\" rx=\"2\" fill=\"#e8c37b\"\/><text x=\"186.2\" y=\"173.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#e8c37b\" font-weight=\"bold\">3,0<\/text><text x=\"186.2\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">CR 5GM3<\/text><rect x=\"362.8\" y=\"124.0\" width=\"32.0\" height=\"216.0\" rx=\"2\" fill=\"#e8c37b\"\/><text x=\"378.8\" y=\"119.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#e8c37b\" font-weight=\"bold\">4,0<\/text><text x=\"378.8\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">PCP (c\u00e1p m\u1ecf)<\/text><rect x=\"555.2\" y=\"296.8\" width=\"32.0\" height=\"43.2\" rx=\"2\" fill=\"#e8c37b\"\/><text x=\"571.2\" y=\"291.8\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#e8c37b\" font-weight=\"bold\">0,8<\/text><text x=\"571.2\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">PUR polyether<\/text><rect x=\"747.8\" y=\"313.0\" width=\"32.0\" height=\"27.0\" rx=\"2\" fill=\"#e8c37b\"\/><text x=\"763.8\" y=\"308.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"10\" fill=\"#e8c37b\" font-weight=\"bold\">0,5<\/text><text x=\"763.8\" y=\"362.0\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">CPE nhi\u1ec7t \u0111\u1edbi<\/text><rect x=\"90\" y=\"388\" width=\"14\" height=\"14\" fill=\"#e8c37b\"\/><text x=\"110.0\" y=\"400.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#eef6f8\" font-weight=\"normal\">c\u1eadn tr\u00ean c\u00f4ng b\u1ed1<\/text><text x=\"90.0\" y=\"436.0\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">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) [10][11]. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed kh\u00e1c nhau; c\u1ea7n bi\u00ean b\u1ea3n theo t\u1eebng m\u00e3.<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 9. H\u00fat \u1ea9m do FeiChun n\u00eau cho c\u00e1c v\u1eadt li\u1ec7u v\u1ecf: PUR polyether v\u00e0 CPE th\u1ea5p h\u01a1n PCP 4 \u2013 8 l\u1ea7n. S\u1ed1 li\u1ec7u c\u1ee7a h\u00e3ng; 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.<\/div><\/div>\n<p>FeiChun n\u00eau hai \u0111i\u1ec3m c\u1ea7n c\u00e2n nh\u1eafc ngo\u00e0i quy chu\u1ea9n VDE: \u1edf nhi\u1ec7t \u0111\u1ed9 35 \u2013 45 \u00b0C, t\u1ed1c \u0111\u1ed9 th\u1ee7y ph\u00e2n v\u1eadt li\u1ec7u c\u00f3 li\u00ean k\u1ebft este t\u0103ng g\u1ea5p 2 \u2013 4 l\u1ea7n so v\u1edbi 15 \u2013 25 \u00b0C (kho\u1ea3ng g\u1ea5p \u0111\u00f4i sau m\u1ed7i 10 \u00b0C); v\u00e0 polyether PUR kh\u00f4ng c\u00f3 li\u00ean k\u1ebft este n\u00ean ch\u1ed1ng th\u1ee7y ph\u00e2n t\u1ed1t h\u01a1n polyester PUR<sup class=\"ref-n\">[10]<\/sup>. 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\">[10]<\/sup><sup class=\"ref-n\">[11]<\/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 m\u00e0i m\u00f2n 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>\n<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>\n<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>\n<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>\n<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&nbsp;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>\n<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>\n<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>\n<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>\n<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>\n<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\">[11]<\/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\">[11]<\/sup>. Ph\u00e2n t\u00edch t\u1ed5ng chi ph\u00ed c\u1ee7a FeiChun cho 5&nbsp;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&nbsp;000 so v\u1edbi 90&nbsp;000 USD) nh\u01b0ng t\u1ed5ng chi ph\u00ed 36 th\u00e1ng kho\u1ea3ng 105&nbsp;000 USD so v\u1edbi 290&nbsp;000 \u2013 310&nbsp;000 USD khi ph\u1ea3i thay hai l\u1ea7n<sup class=\"ref-n\">[11]<\/sup>. <b>Ph\u1ea1m vi:<\/b> \u0111\u00e2y l\u00e0 c\u00e1p AS\/NZS 1802 cho m\u1ecf, kh\u00f4ng ph\u1ea3i m\u00e3 8 kV ho\u1eb7c 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>\n<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\">[11]<\/sup>.<\/b><\/p><ul>\n<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>\n<li>Nghi\u00ean c\u1ee9u v\u1ec1 \u0111\u00e1nh gi\u00e1 tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh c\u00e1p XLPE m\u1ecf (PMC9571771) nh\u1ea5n m\u1ea1nh m\u00f4i tr\u01b0\u1eddng h\u1ea7m h\u1eb9p l\u00e0m c\u00e1p d\u1ec5 h\u1ecfng c\u01a1 h\u1ecdc do va \u0111\u1eadp, m\u00e0i m\u00f2n v\u00e0 k\u00e9o l\u00ea, v\u00e0 h\u01b0 h\u1ea1i c\u00e1ch \u0111i\u1ec7n th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c v\u1ecf b\u1ecb ph\u00e1.<\/li>\n<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>\n<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, 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>\n<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\">[10]<\/sup>. T\u00e1c gi\u1ea3 ch\u01b0a ki\u1ec3m ch\u1ee9ng s\u1ed1 li\u1ec7u n\u00e0y \u0111\u1ed9c l\u1eadp.<\/li><\/ul>\n<h3>9.6 \u00c1p d\u1ee5ng cho m\u00e3 8 kV v\u00e0 15 kV c\u1ee1 AWG: \u00e1nh x\u1ea1 v\u00e0 b\u1ea3ng h\u1ecfi FeiChun<\/h3>\n<p>Website c\u1ee7a FeiChun c\u00f3 chuy\u00ean m\u1ee5c ri\u00eang cho c\u00e1p di \u0111\u1ed9ng ICEA S-75-381 (Portable Power Cables)<sup class=\"ref-n\">[11]<\/sup>: \u0111\u00e2y l\u00e0 h\u1ec7 ti\u00eau chu\u1ea9n c\u1ee7a c\u00e1c c\u1ea5p 5, 8 v\u00e0 15 kV c\u1ee1 AWG v\u00e0 MCM. V\u00ec datasheet tham kh\u1ea3o l\u00e0 c\u1ee7a Prysmian, ng\u01b0\u1eddi mua n\u00ean h\u1ecfi FeiChun v\u1ec1 c\u1ea5u t\u1ea1o t\u01b0\u01a1ng \u0111\u01b0\u01a1ng theo c\u00e1c h\u1ea1ng m\u1ee5c d\u01b0\u1edbi \u0111\u00e2y thay v\u00ec gi\u1ea3 \u0111\u1ecbnh.<\/p>\n<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 8 kV v\u00e0 15 kV c\u1ee1 AWG kh\u00f4ng s\u1ee3i quang<\/caption><thead><tr><th>H\u1ea1ng m\u1ee5c<\/th><th>Datasheet tham kh\u1ea3o [1][2]<\/th><th>C\u00f4ng ngh\u1ec7 FeiChun li\u00ean quan<\/th><th>N\u00ean h\u1ecfi FeiChun<\/th><\/tr><\/thead><tbody>\n<tr><td>C\u1ea5p \u0111i\u1ec7n \u00e1p v\u00e0 m\u1ee9c c\u00e1ch \u0111i\u1ec7n<\/td><td>U = 8&nbsp;000 \/ 15&nbsp;000 V; th\u1eed 18 \/ 29 kV; kh\u00f4ng n\u00eau 100 \/ 133 %<\/td><td>c\u1ea5u h\u00ecnh \u0111i\u1ec7n \u00e1p v\u00e0 ghi nh\u00e3n theo h\u1ec7 n\u1ed1i \u0111\u1ea5t c\u1ee7a kh\u00e1ch<sup class=\"ref-n\">[11]<\/sup><\/td><td>m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100 hay 133 %; b\u1ec1 d\u00e0y danh \u0111\u1ecbnh v\u00e0 nh\u1ecf nh\u1ea5t; th\u1eed PD<\/td><\/tr>\n<tr><td>Ru\u1ed9t v\u00e0 d\u00e2y PE<\/td><td>\u0111\u1ed3ng m\u1ea1 thi\u1ebfc, class FS; AWG; hai d\u00e2y PE + 1\u00d78 AWG<\/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\">[11]<\/sup><\/td><td>class FS hay 6; s\u1ed1 s\u1ee3i; R<sub>20<\/sub> \u0111o; k ng\u1eafn m\u1ea1ch cho ru\u1ed9t m\u1ea1 thi\u1ebfc (122 hay 143); ti\u1ebft di\u1ec7n PE (mm\u00b2)<\/td><\/tr>\n<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\">[10]<\/sup><sup class=\"ref-n\">[11]<\/sup><\/td><td>ki\u1ec3u li\u00ean k\u1ebft ngang; th\u1eed th\u1ee7y ph\u00e2n; l\u1ef1c b\u00f3c l\u1edbp ngo\u00e0i<\/td><\/tr>\n<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\">[10]<\/sup><\/td><td>c\u00f3 l\u00f5i \u0111\u1ee1 aramid kh\u00f4ng; l\u1ef1c k\u00e9o \u2265 20 N\/mm\u00b2; chi\u1ec1u d\u00e0i treo th\u1eb3ng \u0111\u1ee9ng cho ph\u00e9p (\u2248 30 \u2013 74 m \u1edf 20 N\/mm\u00b2)<\/td><\/tr>\n<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\">[11]<\/sup><\/td><td>PCP, CPE hay PUR; ISO 4649; \u0111\u1ed9 b\u1ec1n x\u00e9; h\u00fat \u1ea9m; b\u1ec1 d\u00e0y<\/td><\/tr>\n<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\">[11]<\/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>\n<tr><td>Ground check<\/td><td>1\u00d78 AWG<\/td><td>t\u00f9y bi\u1ebfn ti\u1ebft di\u1ec7n PE, l\u00f5i d\u1eabn h\u01b0\u1edbng<sup class=\"ref-n\">[11]<\/sup><\/td><td>\u0111i\u1ec7n tr\u1edf d\u00e2y pilot; t\u01b0\u01a1ng th\u00edch r\u01a1-le gi\u00e1m s\u00e1t; th\u1eed li\u00ean t\u1ee5c sau th\u1eed u\u1ed1n<\/td><\/tr>\n<tr><td>D\u00f2ng theo VDE 0298-4<\/td><td>132 \u2013 364 A, nh\u01b0 nhau \u1edf hai c\u1ea5p<\/td><td>\u2014<\/td><td>b\u1ea3ng d\u00f2ng theo \u0111\u00fang m\u00e3 v\u00e0 c\u1ea5p \u0111i\u1ec7n \u00e1p; h\u1ec7 s\u1ed1 tang VDE hay ICEA<\/td><\/tr>\n<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\">[10]<\/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>\n<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\">[10]<\/sup><sup class=\"ref-n\">[11]<\/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>\n<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 8 kV v\u00e0 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><section id=\"s10\"><h2>10. Th\u1eed nghi\u1ec7m v\u00e0 h\u1ed3 s\u01a1 c\u1ea7n xem<\/h2>\n<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><sup class=\"ref-n\">[2]<\/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>\n<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>\n<tr><td>\u0110i\u1ec7n \u00e1p xoay chi\u1ec1u<\/td><td>18 kV (8 kV), 29 kV (15 kV)<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup><\/td><td>m\u1ecdi cu\u1ed9n; ghi th\u1eddi gian th\u1eed v\u00e0 nhi\u1ec7t \u0111\u1ed9<\/td><\/tr>\n<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>\n<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>\n<tr><td>\u0110i\u1ec7n tr\u1edf gi\u1eefa d\u00e2y PE v\u00e0 l\u1edbp b\u00e1n d\u1eabn<\/td><td>DIN VDE 0472-512<sup class=\"ref-n\">[8]<\/sup><\/td><td>vi\u1ec7n d\u1eabn trong DIN VDE 0250-813; li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn d\u00f2ng ch\u1ea1m \u0111\u1ea5t<\/td><\/tr>\n<tr><td>Li\u00ean t\u1ee5c d\u00e2y PE v\u00e0 d\u00e2y pilot<\/td><td>th\u1eed \u0111o t\u1eebng cu\u1ed9n; sau th\u1eed u\u1ed1n<\/td><td>m\u1ea1ch ground check ph\u1ee5 thu\u1ed9c \u0111i\u1ec7n tr\u1edf pilot<sup class=\"ref-n\">[9]<\/sup><\/td><\/tr>\n<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\">[11]<\/sup><\/td><td>m\u1ecdi cu\u1ed9n; ghi nhi\u1ec7t \u0111\u1ed9 \u0111o<\/td><\/tr>\n<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>\n<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>\n<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>\n<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\">[11]<\/sup><\/td><\/tr>\n<tr><td>Ch\u1ecbu d\u1ea7u<\/td><td>IEC\/EN 60811-404<\/td><td>datasheet n\u00eau ti\u00eau chu\u1ea9n n\u00e0y<\/td><\/tr>\n<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>\n<tr><td>M\u00e0i m\u00f2n v\u1ecf<\/td><td>ISO 4649; DIN VDE 0472-605<sup class=\"ref-n\">[8]<\/sup><\/td><td>th\u01b0\u1edbc \u0111o tham chi\u1ebfu, n\u00ean \u0111\u01b0a v\u00e0o h\u1ee3p \u0111\u1ed3ng<\/td><\/tr>\n<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><sup class=\"ref-n\">[2]<\/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><\/tbody><\/table><\/div>\n<p class=\"small\">T\u00ean b\u00e0i th\u1eed v\u00e0 ti\u00eau chu\u1ea9n l\u1ea5y t\u1eeb datasheet, trang DIN v\u00e0 c\u00e1c b\u00e0i c\u1ee7a FeiChun; phi\u00ean b\u1ea3n v\u00e0 gi\u1edbi h\u1ea1n theo h\u1ee3p \u0111\u1ed3ng.<\/p><\/section><section id=\"s11\"><h2>11. S\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch ph\u00f2ng<\/h2>\n<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>\n<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; canh th\u1eb3ng b\u1ed9 d\u1eabn; th\u1eed xo\u1eafn \u00b125 \u00b0\/m<sup class=\"ref-n\">[10]<\/sup><\/td><\/tr>\n<tr><td>Qu\u00e1 k\u00e9o<\/td><td>ru\u1ed9t gi\u00e3n; v\u1ecf n\u1ee9t \u1edf \u0111i\u1ec3m k\u1eb9p<\/td><td>treo th\u1eb3ng \u0111\u1ee9ng v\u01b0\u1ee3t \u2248 30 \u2013 74 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>\n<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 ho\u1eb7c n\u00e2ng \u0111i\u1ec7n \u00e1p; tang mono-spiral<\/td><\/tr>\n<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 m\u00e0i m\u00f2n ISO 4649; b\u1ea3o v\u1ec7 \u0111i\u1ec3m ch\u00e0 x\u00e1t<\/td><\/tr>\n<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>\n<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 (8 kV d\u00f9ng cho 15 kV)<\/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 8 \/ 15 kV; \u0111o PD<\/td><\/tr>\n<tr><td>R\u01a1-le ground check nh\u1ea3 li\u00ean t\u1ee5c<\/td><td>m\u00e1y d\u1eebng kh\u00f4ng r\u00f5 l\u00fd do, h\u1ebft ti\u1ebfp x\u00fac l\u00fac ch\u1ea1y<\/td><td>d\u00e2y pilot ho\u1eb7c PE m\u1ecfi \u0111\u1ee9t t\u1eebng ph\u1ea7n; \u0111\u1ea7u n\u1ed1i k\u1eb9p c\u1ee9ng; \u0111i\u1ec7n tr\u1edf pilot \u0111\u1ed5i theo nhi\u1ec7t \u0111\u1ed9<\/td><td>\u0111o li\u00ean t\u1ee5c PE \u2013 pilot sau m\u1ed7i l\u1ea7n x\u1ebfp l\u1ea1i tang; k\u1eb9p \u0111\u1ea7u c\u00e1p b\u1eb1ng \u0111\u1ea7u k\u1eb9p l\u01b0\u1edbi gi\u1ea3m l\u1ef1c; kh\u00f4ng d\u00f9ng ng\u00f3n n\u1ed1i t\u1ea1m<sup class=\"ref-n\">[9]<\/sup><\/td><\/tr>\n<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; k ng\u1eafn m\u1ea1ch ch\u1ecdn sai cho ru\u1ed9t m\u1ea1 thi\u1ebfc<\/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>\n<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>\n<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\">[2]<\/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\">[11]<\/sup>.<\/p><\/section><section id=\"s12\"><h2>12. D\u1eef li\u1ec7u c\u1ea7n y\u00eau c\u1ea7u khi \u0111\u1eb7t h\u00e0ng<\/h2>\n<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>\n<tr><td>\u0110i\u1ec7n \u00e1p l\u01b0\u1edbi d\u00e2y\u2013d\u00e2y, 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 8 \/ 15 kV v\u00e0 m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100 \/ 133 \/ 173 %<\/td><\/tr>\n<tr><td>C\u1ea5u h\u00ecnh \u0111\u1ee7: c\u1ee1 ru\u1ed9t pha (AWG ho\u1eb7c mm\u00b2), s\u1ed1 v\u00e0 ti\u1ebft di\u1ec7n d\u00e2y PE (mm\u00b2), ground check; c\u00f3 c\u1ea7n ph\u1ea7n t\u1eed quang kh\u00f4ng<\/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 v\u00e0 b\u1ea3n LWL)<\/td><\/tr>\n<tr><td>R\u01a1-le gi\u00e1m s\u00e1t ti\u1ebfp \u0111\u1ecba: ki\u1ec3u, \u0111i\u1ec7n \u00e1p m\u1ea1ch pilot, thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i<\/td><td>\u0111i\u1ec7n tr\u1edf d\u00e2y pilot, t\u01b0\u01a1ng th\u00edch \u0111\u1ea7u cu\u1ed1i v\u00e0 r\u01a1-le<\/td><\/tr>\n<tr><td>Ki\u1ec3u tang (mono-spiral hay tr\u1ee5), l\u00f5i tang, b\u1ec1 r\u1ed9ng, 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, s\u1ee9c ch\u1ee9a tang, tu\u1ed5i th\u1ecd<\/td><\/tr>\n<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>\n<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>\n<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, b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n v\u00e0 v\u1ecf<\/td><td>thi\u1ebft k\u1ebf tang, m\u00e1ng, con l\u0103n; t\u00ednh s\u1ee5t \u00e1p<\/td><\/tr>\n<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; k ng\u1eafn m\u1ea1ch \u00e1p d\u1ee5ng<\/td><td>m\u00f4i tr\u01b0\u1eddng \u1ea9m n\u00f3ng, n\u01b0\u1edbc bi\u1ec3n; b\u1ea3o v\u1ec7<\/td><\/tr>\n<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>\n<tr><td>Bi\u00ean b\u1ea3n th\u1eed \u0111i\u1ec7n \u00e1p, PD (n\u1ebfu c\u1ea7n), th\u1eed u\u1ed1n \u2013 xo\u1eafn, li\u00ean t\u1ee5c PE v\u00e0 pilot<\/td><td>nghi\u1ec7m thu<\/td><\/tr>\n<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>\n<tr><td>Ph\u1ee5 ki\u1ec7n: \u0111\u1ea7u c\u00e1p trung th\u1ebf, h\u1ed9p n\u1ed1i, b\u1ed9 n\u1ed1i \u0111\u00fang c\u1ea5p 8 \/ 15 kV (pilot ph\u1ea3i \u0111\u1ee9t tr\u01b0\u1edbc PE)<\/td><td>ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t<sup class=\"ref-n\">[9]<\/sup><\/td><\/tr>\n<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><section id=\"s13\"><h2>13. Ch\u1ee9ng nh\u1eadn FeiChun<\/h2>\n<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\">[10]<\/sup><sup class=\"ref-n\">[11]<\/sup><\/p><\/div>\n<div class=\"certgrid\"><div class=\"certchip\">CE &#8211; Li\u00ean minh ch\u00e2u \u00c2u<\/div><div class=\"certchip\">UKCA &#8211; Anh<\/div><div class=\"certchip\">VDE &#8211; ti\u00eau chu\u1ea9n \u0110\u1ee9c<\/div><div class=\"certchip\">EAC &#8211; Nga v\u00e0 EAEU<\/div><div class=\"certchip\">ATEX &#8211; v\u00f9ng n\u1ed5<\/div><div class=\"certchip\">IECEx &#8211; s\u01a1 \u0111\u1ed3 qu\u1ed1c t\u1ebf<\/div><div class=\"certchip\">Ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u00e1y Nga<\/div><\/div>\n<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><sup class=\"ref-n\">[2]<\/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. V\u00ec c\u00e1c c\u1ea5p 8 v\u00e0 15 kV AWG th\u01b0\u1eddng \u0111i k\u00e8m y\u00eau c\u1ea7u UL, CSA ho\u1eb7c MSHA \u1edf d\u1ef1 \u00e1n ki\u1ec3u B\u1eafc M\u1ef9, n\u1ebfu d\u1ef1 \u00e1n \u0111\u00f2i c\u00e1c h\u1ed3 s\u01a1 \u0111\u00f3, 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. 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>\n<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><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>\n<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>\n<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 c\u1ee1 AWG, MCM c\u00f3 s\u1ee3i quang, 5 \/ 8 \/ 15 kV<\/td><td>PROTOLON (SM-R)-LWL AWG (N)TSKCGEW\u00d6U<\/td><td><a href=\"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\/\" target=\"_blank\" rel=\"noopener\">PROTOLON (SM-R)-LWL AWG (N)TSKCGEW\u00d6U 15 kV<\/a><\/td><\/tr><tr><td>Tang cu\u1ed1n trung th\u1ebf c\u1ee1 AWG kh\u00f4ng s\u1ee3i quang, 8 \/ 15 kV<\/td><td>PROTOLON (SM-R) AWG (N)TSCGEW\u00d6U<\/td><td>B\u00e0i n\u00e0y (b\u1ea3n 8 kV v\u00e0 15 kV kh\u00f4ng s\u1ee3i quang)<\/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>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<\/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>\n<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><section id=\"faq\"><h2>H\u1ecfi \u0111\u00e1p<\/h2><h3>PROTOLON (SM-R) AWG (N)TSCGEW\u00d6U 8 kV v\u00e0 15 kV l\u00e0 lo\u1ea1i c\u00e1p g\u00ec?<\/h3><p>C\u00e1p tang cu\u1ed1n trung th\u1ebf di \u0111\u1ed9ng c\u1ee1 AWG, kh\u00f4ng c\u00f3 s\u1ee3i quang: 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 b\u1ec7n c\u00f9ng hai d\u00e2y PE v\u00e0 m\u1ed9t d\u00e2y ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba (ground check), v\u1ecf trong PCP 5GM3, b\u1ec7n polyester, v\u1ecf ngo\u00e0i PCP 5GM5 v\u1edbi b\u1ec1 d\u00e0y theo ICEA. B\u1ea3n 8 kV th\u1eed 18 kV, b\u1ea3n 15 kV th\u1eed 29 kV, m\u1ed7i b\u1ea3n c\u00f3 7 c\u1ea5u t\u1ea1o t\u1eeb 4 AWG t\u1edbi 4\/0 AWG. 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; k\u00e9o 20 N\/mm\u00b2 t\u0129nh, 30 N\/mm\u00b2 \u0111\u1ed9ng, xo\u1eafn \u00b125 \u00b0\/m.<\/p><h3>Ch\u1ecdn c\u00e1p 8 kV hay 15 kV cho l\u01b0\u1edbi 6,6, 6,9 hay 11 kV?<\/h3><p>\u0110i\u1ec7n \u00e1p ghi tr\u00ean c\u00e1p theo ICEA\/NEMA l\u00e0 \u0111i\u1ec7n \u00e1p d\u00e2y\u2013d\u00e2y. Theo th\u00f4ng l\u1ec7 B\u1eafc M\u1ef9 v\u1edbi m\u1ee9c c\u00e1ch \u0111i\u1ec7n 100 %: l\u01b0\u1edbi 6,0 \u2013 7,2 kV (6,6 v\u00e0 6,9 kV) d\u00f9ng c\u1ea5p 8 kV; l\u01b0\u1edbi 10, 11 v\u00e0 13,8 kV d\u00f9ng c\u1ea5p 15 kV; l\u01b0\u1edbi 3,3 v\u00e0 4,16 kV d\u00f9ng c\u1ea5p 5 kV. L\u01b0\u1edbi trung t\u00ednh c\u00e1ch ly ho\u1eb7c ch\u1ea1m \u0111\u1ea5t t\u1ed3n t\u1ea1i l\u00e2u c\u1ea7n m\u1ee9c c\u00e1ch \u0111i\u1ec7n 133 % ho\u1eb7c 173 %, th\u01b0\u1eddng l\u00ean c\u1ea5p k\u1ebf ti\u1ebfp. Datasheet kh\u00f4ng n\u00eau m\u1ee9c 100\/133 %, n\u00ean ph\u1ea3i h\u1ecfi nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p><h3>3\u00d74\/0 AWG t\u01b0\u01a1ng \u0111\u01b0\u01a1ng bao nhi\u00eau mm\u00b2? \u0110\u1ed5i AWG sang mm\u00b2 th\u1ebf n\u00e0o?<\/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 v\u00e0 2\/0 AWG n\u1eb1m trong \u00b15 % c\u1ee7a m\u1ed9t c\u1ee1 m\u00e9t (35 v\u00e0 70 mm\u00b2); 4, 1, 3\/0 v\u00e0 4\/0 AWG th\u1ea5p h\u01a1n c\u1ee1 m\u00e9t g\u1ea7n nh\u1ea5t 10 \u2013 15 %, 1\/0 AWG cao h\u01a1n 7 %, 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). C\u00e1p 8 kV nh\u1eb9 h\u01a1n n\u00ean treo d\u00e0i h\u01a1n c\u00e1p 15 kV: 3\u00d74\/0 AWG treo th\u1eb3ng \u0111\u1ee9ng \u0111\u01b0\u1ee3c kho\u1ea3ng 74 m \u1edf 8 kV v\u00e0 61 m \u1edf 15 kV; 3\u00d74 AWG kho\u1ea3ng 36 m v\u00e0 30 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 8 kV (\u00d8 l\u1edbn nh\u1ea5t 61,0 mm): R chuy\u1ec3n \u0111\u1ed9ng 610 mm, l\u00f5i tang t\u1ed1i thi\u1ec3u 1 220 mm, kho\u1ea3ng c\u00e1ch ch\u1eef S 1 220 mm; 3\u00d74\/0 AWG 15 kV (81,5 mm): 815 mm v\u00e0 1 630 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? C\u00e1p 15 kV c\u00f3 mang nhi\u1ec1u d\u00f2ng h\u01a1n 8 kV kh\u00f4ng?<\/h3><p>D\u00f2ng trong datasheet l\u00e0 d\u00f2ng theo VDE 0298-4 \u0111\u1eb7t t\u1ef1 do \u1edf 30 \u00b0C, v\u00e0 gi\u1ed1ng h\u1ec7t \u1edf 8 kV v\u00e0 15 kV (132 A \u1edf 4 AWG \u0111\u1ebfn 364 A \u1edf 4\/0 AWG). 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 (364 A) \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>Ru\u1ed9t m\u1ea1 thi\u1ebfc ch\u1ecbu ng\u1eafn m\u1ea1ch bao nhi\u00eau: k = 143 hay 122?<\/h3><p>Datasheet ghi nhi\u1ec7t \u0111\u1ed9 ng\u1eafn m\u1ea1ch 250 \u00b0C \u1ee9ng v\u1edbi k = 143. B\u1ea3ng VDE 0298-4 (qua LAPP) gi\u1edbi h\u1ea1n ru\u1ed9t m\u1ea1 thi\u1ebfc \u1edf 200 \u00b0C, \u1ee9ng v\u1edbi k = 122, t\u1ee9c m\u1eadt \u0111\u1ed9 d\u00f2ng 1 s l\u00e0 122 A\/mm\u00b2. V\u1edbi hai d\u00e2y PE 2\u00d74 AWG (c\u00e1p 3\u00d71\/0 AWG), gi\u00e1 tr\u1ecb an to\u00e0n l\u00e0 5,17 kA trong 1 s thay v\u00ec 6,05 kA. H\u00e3y h\u1ecfi h\u00e3ng c\u00e1p k \u00e1p d\u1ee5ng cho ru\u1ed9t m\u1ea1 thi\u1ebfc c\u1ee7a m\u00e3 \u0111\u1eb7t h\u00e0ng.<\/p><h3>V\u00ec sao c\u00e1p c\u00f3 hai d\u00e2y PE v\u00e0 m\u1ed9t d\u00e2y ground check?<\/h3><p>D\u00e2y PE mang d\u00f2ng ch\u1ea1m \u0111\u1ea5t; d\u00e2y ground check (pilot) cho r\u01a1-le gi\u00e1m s\u00e1t ti\u1ebfp \u0111\u1ecba bi\u1ebft PE c\u00f2n nguy\u00ean v\u1eb9n. R\u01a1-le ch\u1ec9 cho \u0111\u00f3ng \u0111i\u1ec7n khi m\u1ea1ch pilot \u2013 PE \u2013 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i c\u00f3 \u0111\u00fang \u0111\u1eb7c t\u00ednh v\u00e0 nh\u1ea3 khi PE ho\u1eb7c pilot \u0111\u1ee9t, pilot ch\u1ea1m \u0111\u1ea5t ho\u1eb7c \u0111\u1ea7u cu\u1ed1i b\u1ecb g\u1ee1. B\u1ed9 n\u1ed1i c\u00e1p ph\u1ea3i l\u00e0m d\u00e2y pilot \u0111\u1ee9t tr\u01b0\u1edbc, d\u00e2y PE \u0111\u1ee9t sau.<\/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 3,6 \u2013 10,8 kg\/m, \u00d8 46,7 \u2013 81,5 mm, R \u2265 10\u00d7D 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 b\u1ea3n c\u00f3 s\u1ee3i quang (LWL), c\u00e1p m\u1ecf ICEA SHD-GC, PROTOLON (M) R LWL, SMK v\u00e0 FL?<\/h3><p>So v\u1edbi b\u1ea3n (SM-R)-LWL c\u00f9ng 8 kV, c\u00e1p n\u00e0y nh\u1ecf h\u01a1n kho\u1ea3ng 3 \u2013 6 % v\u1ec1 \u00d8 v\u00ec kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed quang. So v\u1edbi SHD-GC c\u00f9ng c\u1ea5p, \u0111\u01b0\u1eddng k\u00ednh v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ch\u00eanh v\u00e0i ph\u1ea7n tr\u0103m, nh\u01b0ng PROTOLON c\u00f3 b\u1ec7n polyester v\u00e0 v\u1ecf cho tang. (M) R LWL 6\/10 kV: 20\/25 N\/mm\u00b2, xo\u1eafn \u00b1100 \u00b0\/m, 120 m\/ph\u00fat, cho m\u00e1y l\u1ed9 thi\u00ean. SMK: 30 N\/mm\u00b2, 240 m\/ph\u00fat. FL l\u00e0 c\u00e1p d\u1eb9t 15 N\/mm\u00b2, kh\u00f4ng cho xo\u1eafn. 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><section id=\"src\"><h2>Ngu\u1ed3n<\/h2><ol class=\"refs\"><li>Prysmian, PROTOLON (SM-R) AWG (N)TSCGEWOEU 8KV, Portable Power Reeling Cable (datasheet b\u1ea3n in 10\/10\/2026: 7 c\u1ea5u t\u1ea1o AWG, th\u1eed 18 kV, UL E251483, MSHA P-189-4) <a href=\"https:\/\/datasheet.prysmian.com\/pdf\/datasheet\/en\/405195\/DE00_PROTOLON_SM_R_AWG_NTSCGE_8KV\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Prysmian, PROTOLON (SM-R) AWG (N)TSCGEWOEU 15KV (datasheet b\u1ea3n in 10\/10\/2026: 7 c\u1ea5u t\u1ea1o AWG, th\u1eed 29 kV) <a href=\"https:\/\/datasheet.prysmian.com\/pdf\/datasheet\/en\/405194\/DE00_PROTOLON_SM_R_AWG_NTSCGE_15KV\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Prysmian, PROTOLON (SM-R)-LWL AWG (N)TSKCGEWOEU 8KV v\u00e0 15KV (b\u1ea3n c\u00f3 s\u1ee3i quang c\u00f9ng h\u1ecd; d\u00f9ng \u0111\u1ec3 so s\u00e1nh \u00d8 v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng) <a href=\"https:\/\/datasheet.prysmian.com\/pdf\/datasheet\/en\/405192\/DE00_PROTOLON_SM_R_AWG_LWL_NTS_8KV\" 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; h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng; m\u1eadt \u0111\u1ed9 d\u00f2ng ng\u1eafn m\u1ea1ch, ru\u1ed9t m\u1ea1 thi\u1ebfc gi\u1edbi h\u1ea1n 200 \u00b0C) <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; bi\u1ec7n ph\u00e1p: n\u00e2ng \u0111i\u1ec7n \u00e1p v\u1eadn h\u00e0nh, th\u00e1o b\u1edbt l\u1edbp) <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>IEWC, ALL-TEMP INDUSTRITE Type SHD-GC 5, 8 v\u00e0 15 kV (ICEA S-75-381 \/ NEMA WC-58: b\u1ec1 d\u00e0y c\u00e1ch \u0111i\u1ec7n 110 \/ 150 \/ 210 mil \u1edf 100 %, \u00d8, kh\u1ed1i l\u01b0\u1ee3ng, d\u00f2ng \u1edf 40 \u00b0C) <a href=\"https:\/\/media.iewc.com\/SpecificationSheets\/32010151.pdf\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Okonite, Technical Tip 27: Percent Insulation Level (\u0111i\u1ec7n \u00e1p c\u00e1p l\u00e0 d\u00e2y\u2013d\u00e2y; m\u1ee9c 100 \/ 133 \/ 173 % theo th\u1eddi gian t\u1ed3n t\u1ea1i s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t; 15 kV \u1ee9ng v\u1edbi 8,66 kV d\u00e2y\u2013\u0111\u1ea5t) <a href=\"https:\/\/okonite.com\/media\/wysiwyg\/Engineering%20Technical%20Center\/Tech_27.pdf\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>DIN \/ DKE, DIN VDE 0250-813 (VDE 0250-813:1985-05), \u00abLeitungstrosse\u00bb: ti\u00eau \u0111\u1ec1, \u1ea5n b\u1ea3n v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n th\u1eed vi\u1ec7n d\u1eabn (VDE 0472-605 m\u00e0i m\u00f2n; VDE 0472-512 \u0111i\u1ec7n tr\u1edf gi\u1eefa d\u00e2y PE v\u00e0 l\u1edbp b\u00e1n d\u1eabn) <a href=\"https:\/\/din.de\/en\/getting-involved\/standards-committees\/dke\/publications\/wdc-beuth:din21:1202457\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Gi\u00e1m s\u00e1t ground check c\u1ee7a c\u00e1p k\u00e9o: US 6,304,089 (d\u00e2y pilot gi\u00e1m s\u00e1t t\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u00e2y PE; thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i; m\u00e1y c\u1eaft nh\u1ea3 khi \u0111\u1ee9t ho\u1eb7c ch\u1ea1m \u0111\u1ea5t) v\u00e0 MSHA, Program Policy Manual Vol. V (30 CFR 75.902: m\u00e1y c\u1eaft nh\u1ea3 khi d\u00e2y PE ho\u1eb7c pilot \u0111\u1ee9t; b\u1ed9 n\u1ed1i l\u00e0m \u0111\u1ee9t d\u00e2y pilot tr\u01b0\u1edbc) <a href=\"https:\/\/patents.google.com\/patent\/US6304089\" 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, th\u00f4ng tin ch\u1ee9ng nh\u1eadn) <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, 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, chuy\u00ean m\u1ee5c ICEA S-75-381, th\u00f4ng tin ch\u1ee9ng nh\u1eadn; tr\u00edch PMC9152389, PMC9571771, MDPI Fire 2025, Allen 1992) <a href=\"https:\/\/feichuncables.com\/blog\/about-feichun-cable\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun, PROTOLON (M) R-(N)TSCGEW\u00d6U LWL 6\/10 kV (b\u00e0i k\u1ef9 thu\u1eadt 09\/10\/2026: s\u1ed1 li\u1ec7u (M) R, SMK, FL; \u0111i\u1ec7n c\u1ea3m; tang mono-spiral; m\u1ee9c \u0111i\u1ec1u khi\u1ec3n m\u00f4-men tang) <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><\/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><\/main><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) AWG (N)TSCGEW\u00d6U 8 kV v\u00e0 15 kV &#8211; b\u00e0i k\u1ef9 thu\u1eadt, c\u1eadp nh\u1eadt 10\/10\/2026.<\/p><\/div><\/footer><\/body><\/html>\n","protected":false},"excerpt":{"rendered":"B\u00e0i vi\u1ebft ph\u00e2n t\u00edch hai c\u1ea5p \u0111i\u1ec7n \u00e1p c\u1ee7a h\u1ecd c\u00e1p tang cu\u1ed1n trung th\u1ebf c\u00e1ch \u0111i\u1ec7n EPR c\u00f3 l\u1edbp b\u00e1n d\u1eabn, v\u1ecf polychloroprene gia c\u01b0\u1eddng b\u1ec7n polyester, ba l\u00f5i c\u00f4ng su\u1ea5t b\u1ec7n c\u00f9ng hai d\u00e2y PE v\u00e0 m\u1ed9t d\u00e2y ground check, kh\u00f4ng c\u00f3 s\u1ee3i quang: b\u1ea3n 8 kV (7 c\u1ea5u t\u1ea1o, 4 AWG \u0111\u1ebfn 4\/0 AWG) v\u00e0 b\u1ea3n 15 kV (7 c\u1ea5u t\u1ea1o c\u00f9ng d\u1ea3i c\u1ee1). C\u00e1c th\u00f4ng s\u1ed1 trong hai datasheet \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng t\u00ednh to\u00e1n (\u0111\u1ed5i AWG sang mm\u00b2, l\u1ef1c k\u00e9o v\u00e0 chi\u1ec1u d\u00e0i treo, b\u00e1n k\u00ednh u\u1ed1n, l\u00f5i tang v\u00e0 s\u1ee9c ch\u1ee9a 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 c\u1ee7a d\u00e2y PE m\u1ea1 thi\u1ebfc, \u0111i\u1ec7n \u00e1p th\u1eed), \u0111\u1ed1i chi\u1ebfu v\u1edbi b\u1ea3n LWL c\u00f3 s\u1ee3i quang, v\u1edbi c\u00e1p m\u1ecf ICEA SHD-GC v\u00e0 c\u00e1c h\u1ecd c\u00e1p tang cu\u1ed1n kh\u00e1c, h\u01b0\u1edbng d\u1eabn ch\u1ecdn 8 kV hay 15 kV theo \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi, 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), gi\u1ea3i th\u00edch m\u1ea1ch gi\u00e1m s\u00e1t ground check, 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":78304,"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":[16,171,152,107,176,111,139,214,204,17],"class_list":["post-78303","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cap-cuon","tag-din-vde-0250","tag-explosion-proof-mining-cable","tag-heavy-duty-mining-cable","tag-heavy-duty-e-loader-mining-cable","tag-icea-s-75-381-2","tag-mining-cable","tag-mining-cables","tag-mining-power-cable","tag-mining-trailing-cable","tag-reeling-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/78303","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=78303"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/78303\/revisions"}],"predecessor-version":[{"id":78305,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/78303\/revisions\/78305"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/78304"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=78303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=78303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=78303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}