CXV\/FR 0,6\/1 kV 4\u00d7240 mm\u00b2: c\u1ea5u t\u1ea1o, ph\u00e9p th\u1eed ch\u1ed1ng ch\u00e1y, s\u1ee5t \u00e1p, ng\u1eafn m\u1ea1ch v\u00e0 ranh gi\u1edbi \u1ee9ng d\u1ee5ng<\/title><style>:root{--bg:#0a1014;--p:#101a1e;--p2:#16262c;--ink:#eef6f8;--muted:#9cc0cc;--line:#2a4650;--c:#38c8e8;--g:#5fd88a;--s:#e8c37b;--r:#ff777f;--fo:#ffb454}\n*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px Arial,Helvetica,sans-serif;line-height:1.68}\n.wrap{max-width:1840px;margin:auto;padding:0 28px}a{color:var(--c)}a:focus-visible{outline:2px solid var(--s);outline-offset:2px}\n.doc-header{padding:68px 0 64px;background:radial-gradient(circle at 10% 5%,rgba(56,200,232,.22),transparent 33%),radial-gradient(circle at 90% 8%,rgba(255,180,84,.16),transparent 33%),linear-gradient(135deg,#0a1014,#1c1814)}\n.doc-header .container{text-align:center}.doc-header h1,.doc-header p{max-width:960px;margin-left:auto;margin-right:auto}\nh1{font-size:34px;line-height:1.18;margin:18px auto 20px}h2{margin-top:52px;border-left:7px solid var(--c);padding-left:15px;line-height:1.2}\n.lead{font-size:20px;color:#e6f4f8}.badges{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:14px}\n.badge{background:#0e1a1e;border:1px solid var(--line);border-radius:22px;padding:8px 13px;font-weight:bold}\n.card,.note,.warn,.provenance{background:var(--p);border:1px solid var(--line);border-radius:10px;padding:18px;margin:13px 0}\n.note{border-left:7px solid var(--c)}.warn{border-left:7px solid var(--r)}.provenance{border-left:7px solid var(--fo);background:#20180f}\n.toc{background:var(--p);border:1px solid var(--line);padding:20px;border-left:7px solid var(--c);margin-top:24px}.toc ol{columns:2}\n.scroll{overflow-x:auto;margin:18px 0}table{width:100%;border-collapse:collapse;background:#0e1a1e}\ncaption{text-align:left;color:var(--s);font-weight:bold;padding:8px 0}th,td{border:1px solid var(--line);padding:8px 9px;vertical-align:top}\nth{background:var(--p2)}td:first-child{color:var(--s);font-weight:bold}table.data td:first-child{color:var(--c)}\n.svg{border:1px solid var(--line);padding:10px;background:#0e1a1e;margin:22px 0;border-radius:8px}.svg svg{width:100%;height:auto;display:block}\n.svg-caption{color:var(--muted);font-size:14px;padding:8px 4px 2px}.tag{color:var(--s);font-weight:bold}\n.imgcap{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:20px 0}\n.imgcap figure{margin:0;background:var(--p);border:1px solid var(--line);border-radius:10px;overflow:hidden}.imgcap svg{width:100%;height:190px;display:block}\n.imgcap figcaption{padding:10px 13px;font-size:13.5px;color:var(--muted)}\n.formula{background:#0e1a1e;border:1px solid var(--line);border-left:7px solid var(--s);border-radius:8px;padding:14px 18px;margin:14px 0;font-family:Consolas,monospace;overflow-x:auto}\n.certbanner{background:linear-gradient(135deg,#0f2a30,#14231a);border:1px solid var(--g);border-radius:12px;padding:20px 22px;margin:18px 0}.certbanner h3{margin-top:0;color:var(--g)}\n.certgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin:18px 0}\n.certchip{background:#0e1a1e;border:1px solid var(--line);border-radius:8px;padding:12px 14px}.certchip:before{content:\"\";display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--g);margin-right:10px}\n.contact{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.contact div{background:#0e1a1e;border:1px solid var(--line);padding:15px}\nsup.ref-n{color:var(--c);font-weight:bold}ol.refs{font-size:14px;color:var(--muted)}.small{font-size:12px;color:#7fa4b0}\nfooter{margin-top:50px;background:#080e10;padding:32px 0}\n@media(max-width:800px){h1{font-size:24px}.toc ol{columns:1}.contact{grid-template-columns:1fr}.wrap{padding:0 16px}.lead{font-size:17px}}<\/style><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"TechArticle\", \"headline\": \"CXV\/FR 0,6\/1 kV 4\u00d7240 mm\u00b2 - c\u00e1p ch\u1ed1ng ch\u00e1y Cu\/Mica\/XLPE\/FR-PVC\", \"inLanguage\": \"vi\", \"dateModified\": \"2026-09-30\", \"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\": \"CXV\/FR 0,6\/1 kV 4\u00d7240 l\u00e0 lo\u1ea1i c\u00e1p g\u00ec?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"C\u00e1p l\u1ef1c h\u1ea1 \u00e1p 0,6\/1 kV c\u00f3 t\u00ednh n\u0103ng ch\u1ed1ng ch\u00e1y (duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n khi ch\u00e1y): ru\u1ed9t \u0111\u1ed3ng tr\u00f2n xo\u1eafn \u00e9p ch\u1eb7t c\u1ea5p 2, b\u0103ng mica, c\u00e1ch \u0111i\u1ec7n XLPE, v\u1ecf FR-PVC. M\u00e3 4\u00d7240 g\u1ed3m b\u1ed1n l\u00f5i c\u00f9ng 240 mm\u00b2 (ba pha v\u00e0 trung t\u00ednh \u0111\u1ee7 c\u1ee1, t\u1ed5ng 960 mm\u00b2 \u0111\u1ed3ng). \u0110\u00e2y l\u00e0 c\u00e1p l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh.\"}}, {\"@type\": \"Question\", \"name\": \"C\u00e1p ch\u1ed1ng ch\u00e1y kh\u00e1c c\u00e1p ch\u1eadm ch\u00e1y \u1edf \u0111i\u1ec3m n\u00e0o?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Ch\u1eadm ch\u00e1y (flame retardant) ch\u1ec9 h\u1ea1n ch\u1ebf lan truy\u1ec1n ng\u1ecdn l\u1eeda, c\u00f2n ch\u1ed1ng ch\u00e1y (fire-resistant) ph\u1ea3i ti\u1ebfp t\u1ee5c d\u1eabn \u0111i\u1ec7n trong l\u1eeda theo ph\u00e9p th\u1eed duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n nh\u01b0 IEC 60331 ho\u1eb7c BS 6387. C\u00e1p CXV\/FR c\u00f3 c\u1ea3 hai: b\u0103ng mica gi\u1eef m\u1ea1ch, v\u1ecf FR-PVC h\u1ea1n ch\u1ebf ch\u00e1y lan.\"}}, {\"@type\": \"Question\", \"name\": \"C\u00e1p ch\u1ecbu l\u1eeda \u0111\u01b0\u1ee3c bao l\u00e2u?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Catalog c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t CXV\/FR ghi 750 \u00b0C trong 90 ph\u00fat theo TCVN\/IEC, v\u00e0 950 \u00b0C trong 180 ph\u00fat khi th\u1eed th\u00eam theo BS 6387. Con s\u1ed1 \u00e1p d\u1ee5ng cho m\u00e3 c\u1ee7a FeiChun ph\u1ea3i l\u1ea5y t\u1eeb bi\u00ean b\u1ea3n th\u1eed tr\u00ean c\u00e1p th\u00e0nh ph\u1ea9m, k\u00e8m \u0111i\u1ec7n \u00e1p th\u1eed v\u00e0 k\u1ebft qu\u1ea3.\"}}, {\"@type\": \"Question\", \"name\": \"CXV\/FR 4\u00d7240 c\u00f3 d\u00f9ng \u0111\u01b0\u1ee3c cho tang cu\u1ed1n, x\u00edch d\u1eabn c\u00e1p hay k\u00e9o l\u00ea kh\u00f4ng?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Kh\u00f4ng. \u0110\u00e2y l\u00e0 c\u00e1p l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh, ru\u1ed9t c\u1ea5p 2 v\u00e0 v\u1ecf FR-PVC; ngu\u1ed3n c\u00f4ng khai kh\u00f4ng c\u00f4ng b\u1ed1 tu\u1ed5i th\u1ecd u\u1ed1n hay l\u1ef1c k\u00e9o \u0111\u1ed9ng c\u1ee7a lo\u1ea1i c\u00e1p n\u00e0y. \u0110o\u1ea1n di \u0111\u1ed9ng ph\u1ea3i d\u00f9ng c\u00e1p cao su ho\u1eb7c PUR c\u00f3 ru\u1ed9t c\u1ea5p 5, v\u00ed d\u1ee5 NSSH\u00d6U-J, (N)SHT\u00d6U ho\u1eb7c Trommelflex.\"}}, {\"@type\": \"Question\", \"name\": \"\u0110i\u1ec7n tr\u1edf, s\u1ee5t \u00e1p v\u00e0 t\u1ed5n hao c\u1ee7a 4\u00d7240 \u0111\u1ed3ng?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\u0110i\u1ec7n tr\u1edf ru\u1ed9t 0,0754 \u03a9\/km \u1edf 20 \u00b0C, kho\u1ea3ng 0,096 \u03a9\/km \u1edf 90 \u00b0C. V\u1edbi 400 V, 200 A, 200 m s\u1ee5t \u00e1p kho\u1ea3ng 8,6 V (2,1 %); t\u1ed5n hao ba pha kho\u1ea3ng 11,5 W\/m \u1edf 200 A v\u00e0 26 W\/m \u1edf 300 A.\"}}, {\"@type\": \"Question\", \"name\": \"D\u00f2ng ng\u1eafn m\u1ea1ch ch\u1ecbu \u0111\u01b0\u1ee3c?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Theo k\u00b7S\/\u221at v\u1edbi k = 143 cho \u0111\u1ed3ng-XLPE, m\u1ed7i l\u00f5i 240 mm\u00b2 ch\u1ecbu kho\u1ea3ng 34,3 kA trong 1 s (48,5 kA trong 0,5 s, 19,8 kA trong 3 s), trong gi\u1edbi h\u1ea1n 250 \u00b0C v\u00e0 5 s.\"}}, {\"@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. H\u00e3y y\u00eau c\u1ea7u b\u1ea3n sao v\u00e0 \u0111\u1ed1i chi\u1ebfu \u0111\u00fang m\u00e3 c\u00e1p, ti\u1ebft di\u1ec7n, ph\u1ea1m vi v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c.\"}}]}<\/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>CXV\/FR 0,6\/1 kV 4\u00d7240 mm\u00b2: c\u00e1p ch\u1ed1ng ch\u00e1y ru\u1ed9t \u0111\u1ed3ng, b\u0103ng mica, c\u00e1ch \u0111i\u1ec7n XLPE – con s\u1ed1 n\u00e0o quy\u1ebft \u0111\u1ecbnh khi ch\u1ecdn cho b\u01a1m PCCC, h\u1ea7m c\u00e1p v\u00e0 tuy\u1ebfn c\u1ea5p ngu\u1ed3n kh\u1ea9n c\u1ea5p t\u1ea1i c\u1ea3ng<\/h1><p class=\"lead\">B\u00e0i vi\u1ebft ph\u00e2n t\u00edch c\u1ea5u t\u1ea1o c\u00e1p ch\u1ed1ng ch\u00e1y Cu\/Mica\/XLPE\/FR-PVC, \u0111\u1ecdc \u0111\u00fang c\u00e1c ph\u00e9p th\u1eed IEC 60331, BS 6387 v\u00e0 IEC 60332-3-24, ki\u1ec3m tra b\u1eb1ng t\u00ednh to\u00e1n c\u1ee1 4\u00d7240 mm\u00b2 (\u0111i\u1ec7n tr\u1edf, s\u1ee5t \u00e1p, t\u1ed5n hao, ng\u1eafn m\u1ea1ch, b\u00e1n k\u00ednh u\u1ed1n, l\u1ef1c k\u00e9o), ph\u00e2n \u0111\u1ecbnh ranh gi\u1edbi v\u1edbi c\u00e1p cao su di \u0111\u1ed9ng d\u00f9ng cho tang cu\u1ed1n, x\u00edch d\u1eabn c\u00e1p v\u00e0 k\u00e9o l\u00ea, k\u00e8m danh m\u1ee5c h\u1ed3 s\u01a1 c\u1ea7n y\u00eau c\u1ea7u v\u00e0 b\u1ed9 ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun.<\/p><div class=\"badges\"><span class=\"badge\">0,6\/1 kV \u00b7 th\u1eed 3,5 kV<\/span><span class=\"badge\">TCVN 5935-1 \/ IEC 60502-1<\/span><span class=\"badge\">Cu\/Mica\/XLPE\/FR-PVC<\/span><span class=\"badge\">750 \u00b0C \u00b7 90 ph\u00fat (IEC 60331-21)<\/span><span class=\"badge\">90 \u00b0C \u00b7 ng\u1eafn m\u1ea1ch 250 \u00b0C<\/span><span class=\"badge\">L\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh<\/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 v\u00e0 t\u00ednh n\u0103ng CXV\/FR l\u1ea5y t\u1eeb catalog v\u00e0 datasheet c\u00f4ng khai<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[3]<\/sup><sup class=\"ref-n\">[4]<\/sup>; ph\u00e9p th\u1eed ch\u00e1y t\u1eeb c\u00e1c t\u00e0i li\u1ec7u v\u1ec1 IEC 60331, BS 6387 v\u00e0 IEC 60332-3-24<sup class=\"ref-n\">[6]<\/sup><sup class=\"ref-n\">[7]<\/sup><sup class=\"ref-n\">[8]<\/sup><sup class=\"ref-n\">[9]<\/sup><sup class=\"ref-n\">[15]<\/sup>; \u0111\u1eb7c t\u00ednh b\u0103ng mica t\u1eeb t\u00e0i li\u1ec7u nh\u00e0 cung c\u1ea5p v\u00e0 s\u00e1ng ch\u1ebf<sup class=\"ref-n\">[10]<\/sup><sup class=\"ref-n\">[11]<\/sup><sup class=\"ref-n\">[12]<\/sup><sup class=\"ref-n\">[14]<\/sup>. C\u00e1c con s\u1ed1 t\u00ednh (s\u1ee5t \u00e1p, t\u1ed5n hao, ng\u1eafn m\u1ea1ch, l\u1ef1c k\u00e9o, kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ed3ng) do t\u00e1c gi\u1ea3 t\u00ednh theo c\u00f4ng th\u1ee9c trong b\u00e0i. <b>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i, kh\u1ed1i l\u01b0\u1ee3ng, \u0111i\u1ec7n tr\u1edf \u0111o, d\u00f2ng cho ph\u00e9p v\u00e0 s\u1ed1 l\u1edbp b\u0103ng mica c\u1ee7a b\u1ea3n CXV\/FR 4\u00d7240 do FeiChun s\u1ea3n xu\u1ea5t ch\u01b0a c\u00f3 trong ngu\u1ed3n c\u00f4ng khai n\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1n: h\u00e3y l\u1ea5y t\u1eeb b\u1ea3ng d\u1eef li\u1ec7u v\u00e0 bi\u00ean b\u1ea3n th\u1eed c\u1ee7a FeiChun.<\/b> S\u1ed1 li\u1ec7u tham chi\u1ebfu c\u1ee1 4\u00d7240 (\u00d8, kh\u1ed1i l\u01b0\u1ee3ng) l\u00e0 c\u1ee7a c\u00e1p Cu\/XLPE\/PVC kh\u00f4ng ch\u1ed1ng ch\u00e1y<sup class=\"ref-n\">[19]<\/sup> v\u00e0 ch\u1ec9 d\u00f9ng l\u00e0m m\u1ed1c so s\u00e1nh.<\/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<\/a><\/li><li><a href=\"#s3\">B\u0103ng mica: c\u01a1 ch\u1ebf ch\u1ed1ng ch\u00e1y<\/a><\/li><li><a href=\"#s4\">Th\u00f4ng s\u1ed1 theo ti\u00eau chu\u1ea9n<\/a><\/li><li><a href=\"#s5\">\u0110\u1ecdc \u0111\u00fang c\u00e1c ph\u00e9p th\u1eed ch\u00e1y<\/a><\/li><li><a href=\"#s6\">T\u00ednh to\u00e1n cho 4\u00d7240<\/a><\/li><li><a href=\"#s7\">So s\u00e1nh v\u1edbi c\u00e1p th\u01b0\u1eddng, LSZH v\u00e0 c\u00e1p di \u0111\u1ed9ng<\/a><\/li><li><a href=\"#s8\">\u1ee8ng d\u1ee5ng: b\u01a1m PCCC, h\u1ea7m c\u00e1p, v\u00e1ch ng\u0103n ch\u00e1y<\/a><\/li><li><a href=\"#s9\">Ranh gi\u1edbi: tang cu\u1ed1n, x\u00edch d\u1eabn c\u00e1p, k\u00e9o l\u00ea<\/a><\/li><li><a href=\"#s10\">FeiChun: tuy\u1ebfn c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111o\u1ea1n di \u0111\u1ed9ng<\/a><\/li><li><a href=\"#s11\">D\u1eef li\u1ec7u c\u1ea7n y\u00eau c\u1ea7u khi \u0111\u1eb7t h\u00e0ng<\/a><\/li><li><a href=\"#s12\">Ch\u1ee9ng nh\u1eadn FeiChun<\/a><\/li><li><a href=\"#faq\">H\u1ecfi \u0111\u00e1p<\/a><\/li><li><a href=\"#src\">Ngu\u1ed3n<\/a><\/li><\/ol><\/nav><section id=\"s1\"><h2>1. T\u1ed5ng quan v\u00e0 c\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u<\/h2><p>CXV\/FR l\u00e0 c\u00e1p l\u1ef1c h\u1ea1 \u00e1p 0,6\/1 kV c\u00f3 t\u00ednh n\u0103ng ch\u1ed1ng ch\u00e1y: ru\u1ed9t \u0111\u1ed3ng, b\u0103ng mica, c\u00e1ch \u0111i\u1ec7n XLPE, v\u1ecf FR-PVC<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup>. Ch\u1eef <b>C<\/b> l\u00e0 \u0111\u1ed3ng, <b>X<\/b> l\u00e0 XLPE, <b>V<\/b> l\u00e0 PVC, h\u1eadu t\u1ed1 <b>\/FR<\/b> l\u00e0 ch\u1ed1ng ch\u00e1y. M\u00e3 <b>4\u00d7240<\/b> g\u1ed3m b\u1ed1n l\u00f5i c\u00f9ng 240 mm\u00b2 (ba pha L1, L2, L3 v\u00e0 trung t\u00ednh N \u0111\u1ee7 c\u1ee1), t\u1ed5ng 960 mm\u00b2 \u0111\u1ed3ng. C\u00e1p d\u00f9ng cho h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i \u0111i\u1ec7n h\u1ea1 \u00e1p trong \u0111i\u1ec7n d\u1ef1 ph\u00f2ng, \u0111\u00e8n tho\u00e1t hi\u1ec3m, b\u00e1o ch\u00e1y, phun n\u01b0\u1edbc ch\u1eefa ch\u00e1y, h\u00fat kh\u00f3i v\u00e0 c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng<sup class=\"ref-n\">[4]<\/sup>.<\/p><p>C\u1ea7n t\u00e1ch hai kh\u00e1i ni\u1ec7m hay b\u1ecb nh\u1ea7m: <b>ch\u1eadm ch\u00e1y<\/b> ch\u1ec9 l\u00e0m ch\u1eadm lan truy\u1ec1n ng\u1ecdn l\u1eeda, c\u00f2n <b>ch\u1ed1ng ch\u00e1y<\/b> (duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n) ph\u1ea3i ti\u1ebfp t\u1ee5c d\u1eabn \u0111i\u1ec7n khi ru\u1ed9t \u0111ang ch\u1ecbu l\u1eeda<sup class=\"ref-n\">[13]<\/sup>. CXV\/FR c\u00f3 c\u1ea3 hai t\u00ednh n\u0103ng, nh\u01b0ng ch\u1ec9 \u0111\u00fang v\u1edbi m\u00e3 c\u00e1p n\u00e0o c\u00f3 bi\u00ean b\u1ea3n th\u1eed t\u01b0\u01a1ng \u1ee9ng.<\/p><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:900px\"><caption>\u0110\u1eb7c t\u00ednh ch\u00ednh (theo catalog c\u00f4ng khai)<\/caption><thead><tr><th>H\u1ea1ng m\u1ee5c<\/th><th>Gi\u00e1 tr\u1ecb<\/th><th>\u00dd ngh\u0129a k\u1ef9 thu\u1eadt<\/th><\/tr><\/thead><tbody><tr><td>\u0110i\u1ec7n \u00e1p danh \u0111\u1ecbnh<\/td><td>0,6\/1 kV<sup class=\"ref-n\">[3]<\/sup><sup class=\"ref-n\">[5]<\/sup><\/td><td>m\u1ea1ch \u0111\u1ed9ng l\u1ef1c h\u1ea1 \u00e1p<\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p th\u1eed<\/td><td>3,5 kV, 5 ph\u00fat<sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[5]<\/sup><\/td><td>th\u1eed \u0111i\u1ec7n \u00e1p khi xu\u1ea5t x\u01b0\u1edfng<\/td><\/tr><tr><td>Ru\u1ed9t d\u1eabn<\/td><td>\u0111\u1ed3ng, tr\u00f2n xo\u1eafn \u00e9p ch\u1eb7t, c\u1ea5p 2 (IEC 60228)<sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[3]<\/sup><\/td><td>gi\u1ea3m \u0111\u01b0\u1eddng k\u00ednh so v\u1edbi ru\u1ed9t kh\u00f4ng \u00e9p<\/td><\/tr><tr><td>L\u1edbp ch\u1ed1ng ch\u00e1y<\/td><td>b\u0103ng mica qu\u1ea5n quanh ru\u1ed9t<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[2]<\/sup><\/td><td>gi\u1eef c\u00e1ch \u0111i\u1ec7n khi XLPE ch\u00e1y h\u1ebft<\/td><\/tr><tr><td>C\u00e1ch \u0111i\u1ec7n \/ v\u1ecf<\/td><td>XLPE \/ FR-PVC (v\u1ecf trong v\u00e0 v\u1ecf ngo\u00e0i)<sup class=\"ref-n\">[2]<\/sup><\/td><td>90 \u00b0C li\u00ean t\u1ee5c; v\u1ecf ch\u1eadm ch\u00e1y<\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n c\u00e1p<\/td><td>TCVN 5935-1 \/ IEC 60502-1<sup class=\"ref-n\">[1]<\/sup><\/td><td>c\u00e1p l\u1ef1c 1 kV \u0111\u1ebfn 30 kV<\/td><\/tr><tr><td>Th\u1eed ch\u00e1y n\u00eau trong catalog<\/td><td>IEC 60331-21, IEC 60332-3-24, BS 6387<sup class=\"ref-n\">[1]<\/sup><\/td><td>duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n v\u00e0 ch\u1ed1ng ch\u00e1y lan b\u00f3 c\u00e1p<\/td><\/tr><tr><td>L\u1eafp \u0111\u1eb7t<\/td><td>c\u1ed1 \u0111\u1ecbnh<sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[5]<\/sup><\/td><td>kh\u00f4ng d\u00f9ng cho chuy\u1ec3n \u0111\u1ed9ng<\/td><\/tr><\/tbody><\/table><\/div><\/section><section id=\"s2\"><h2>2. C\u1ea5u t\u1ea1o: t\u1eeb ru\u1ed9t \u0111\u1ed3ng \u00e9p ch\u1eb7t \u0111\u1ebfn v\u1ecf FR-PVC<\/h2><p>T\u1eeb trong ra ngo\u00e0i: ru\u1ed9t \u0111\u1ed3ng \u00e9p ch\u1eb7t, b\u0103ng mica, c\u00e1ch \u0111i\u1ec7n XLPE, l\u1edbp ch\u00e8n ki\u00eam v\u1ecf trong FR-PVC, v\u1ecf ngo\u00e0i FR-PVC<sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[3]<\/sup>. L\u00f5i nh\u1eadn bi\u1ebft b\u1eb1ng b\u0103ng m\u00e0u: v\u1edbi c\u00e1p nhi\u1ec1u l\u00f5i l\u00e0 \u0111\u1ecf, v\u00e0ng, xanh d\u01b0\u01a1ng v\u00e0 kh\u00f4ng m\u00e0u cho trung t\u00ednh (th\u00eam xanh l\u1ee5c cho d\u00e2y \u0111\u1ea5t \u1edf c\u00e1p 5 l\u00f5i), ho\u1eb7c theo y\u00eau c\u1ea7u kh\u00e1ch h\u00e0ng<sup class=\"ref-n\">[5]<\/sup>. \u0110i\u1ec3m kh\u00e1c c\u00e1p Cu\/XLPE\/PVC th\u01b0\u1eddng n\u1eb1m \u1edf l\u1edbp b\u0103ng mica v\u00e0 \u1edf v\u1eadt li\u1ec7u ch\u00e8n, v\u1ecf c\u00f3 ph\u1ee5 gia ch\u1eadm ch\u00e1y.<\/p><div class=\"svg\"><svg viewBox=\"0 0 1040 540\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"S\u01a1 \u0111\u1ed3 m\u1eb7t c\u1eaft c\u00e1p CXV\/FR 0,6\/1 kV 4x240: b\u1ed1n ru\u1ed9t \u0111\u1ed3ng \u00e9p ch\u1eb7t, b\u0103ng mica, c\u00e1ch \u0111i\u1ec7n XLPE, l\u1edbp ch\u00e8n v\u00e0 v\u1ecf FR-PVC\"><rect width=\"1040\" height=\"540\" fill=\"#0e1a1e\"\/><circle cx=\"260\" cy=\"265\" r=\"228\" 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r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"371.7\" cy=\"177.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"180\" cy=\"345\" r=\"80\" fill=\"#cfc7b0\" stroke=\"#0a1014\" stroke-width=\"1.5\"\/><circle cx=\"180\" cy=\"345\" r=\"74\" fill=\"none\" stroke=\"#3f6fd8\" stroke-width=\"5\"\/><circle cx=\"180\" cy=\"345\" r=\"54\" fill=\"#c8b68a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"180\" cy=\"345\" r=\"47\" fill=\"#8a6320\"\/><circle cx=\"180\" cy=\"345\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"188.2\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"184.1\" cy=\"352.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"175.9\" cy=\"352.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"171.8\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"175.9\" cy=\"337.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"184.1\" cy=\"337.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"196.3\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"194.5\" cy=\"352.6\" r=\"3.4\" 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r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"178.0\" cy=\"369.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"170.2\" cy=\"367.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"163.4\" cy=\"363.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"158.5\" cy=\"356.7\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"155.9\" cy=\"349.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"155.9\" cy=\"341.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"158.5\" cy=\"333.3\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"163.4\" cy=\"327.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"170.2\" cy=\"322.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"178.0\" cy=\"320.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"186.0\" cy=\"321.3\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"193.4\" cy=\"324.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"199.3\" cy=\"330.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"203.2\" cy=\"337.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"212.6\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"211.7\" cy=\"352.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"208.9\" cy=\"360.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"204.4\" cy=\"366.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"198.5\" cy=\"371.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"191.6\" cy=\"375.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"183.9\" cy=\"377.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"176.1\" cy=\"377.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"168.4\" cy=\"375.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"161.5\" cy=\"371.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"155.6\" cy=\"366.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"151.1\" cy=\"360.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"148.3\" cy=\"352.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"147.4\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"148.3\" cy=\"337.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"151.1\" cy=\"329.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"155.6\" cy=\"323.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"161.5\" cy=\"318.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"168.4\" cy=\"314.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"176.1\" cy=\"312.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"183.9\" cy=\"312.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"191.6\" cy=\"314.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"198.5\" cy=\"318.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"204.4\" cy=\"323.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"208.9\" cy=\"329.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"211.7\" cy=\"337.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"340\" cy=\"345\" r=\"80\" fill=\"#cfc7b0\" stroke=\"#0a1014\" stroke-width=\"1.5\"\/><circle cx=\"340\" cy=\"345\" r=\"54\" fill=\"#c8b68a\" stroke=\"#0a1014\" stroke-width=\"1\"\/><circle cx=\"340\" cy=\"345\" r=\"47\" fill=\"#8a6320\"\/><circle cx=\"340\" cy=\"345\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"348.2\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"344.1\" cy=\"352.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"335.9\" cy=\"352.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"331.8\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"335.9\" cy=\"337.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"344.1\" cy=\"337.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"356.3\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"354.5\" cy=\"352.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"349.3\" cy=\"358.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"342.0\" cy=\"361.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"334.2\" cy=\"360.3\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"327.8\" cy=\"355.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"324.2\" cy=\"348.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"324.2\" cy=\"341.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"327.8\" cy=\"334.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"334.2\" cy=\"329.7\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"342.0\" cy=\"328.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"349.3\" cy=\"331.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"354.5\" cy=\"337.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"364.5\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"363.2\" cy=\"352.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"359.3\" cy=\"360.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"353.4\" cy=\"365.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"346.0\" cy=\"368.7\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"338.0\" cy=\"369.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"330.2\" cy=\"367.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"323.4\" cy=\"363.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"318.5\" cy=\"356.7\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"315.9\" cy=\"349.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"315.9\" cy=\"341.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"318.5\" cy=\"333.3\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"323.4\" cy=\"327.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"330.2\" cy=\"322.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"338.0\" cy=\"320.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"346.0\" cy=\"321.3\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"353.4\" cy=\"324.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"359.3\" cy=\"330.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"363.2\" cy=\"337.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"372.6\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"371.7\" cy=\"352.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"368.9\" cy=\"360.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"364.4\" cy=\"366.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"358.5\" cy=\"371.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"351.6\" cy=\"375.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"343.9\" cy=\"377.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"336.1\" cy=\"377.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"328.4\" cy=\"375.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"321.5\" cy=\"371.9\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"315.6\" cy=\"366.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"311.1\" cy=\"360.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"308.3\" cy=\"352.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"307.4\" cy=\"345.0\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"308.3\" cy=\"337.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"311.1\" cy=\"329.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"315.6\" cy=\"323.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"321.5\" cy=\"318.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"328.4\" cy=\"314.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"336.1\" cy=\"312.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"343.9\" cy=\"312.6\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"351.6\" cy=\"314.5\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"358.5\" cy=\"318.1\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"364.4\" cy=\"323.4\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"368.9\" cy=\"329.8\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"371.7\" cy=\"337.2\" r=\"3.4\" fill=\"#e9c46a\"\/><circle cx=\"180\" cy=\"185\" r=\"11\" fill=\"#38c8e8\" stroke=\"#0a1014\"\/><text x=\"180\" y=\"190\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">1<\/text><circle cx=\"142\" cy=\"147\" r=\"11\" fill=\"#e8c37b\" stroke=\"#0a1014\"\/><text x=\"142\" y=\"152\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">2<\/text><circle cx=\"386\" cy=\"139\" r=\"11\" fill=\"#5fd88a\" stroke=\"#0a1014\"\/><text x=\"386\" y=\"144\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">3<\/text><circle cx=\"128\" cy=\"397\" r=\"11\" fill=\"#c98aff\" stroke=\"#0a1014\"\/><text x=\"128\" y=\"402\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">4<\/text><circle cx=\"260\" cy=\"265\" r=\"11\" fill=\"#ffb454\" stroke=\"#0a1014\"\/><text x=\"260\" y=\"270\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">5<\/text><circle cx=\"260\" cy=\"48\" r=\"11\" fill=\"#ff777f\" stroke=\"#0a1014\"\/><text x=\"260\" y=\"53\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">6<\/text><text x=\"560\" y=\"50\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">CXV\/FR 4\u00d7240 (s\u01a1 \u0111\u1ed3)<\/text><circle cx=\"580\" cy=\"100\" r=\"12\" fill=\"#38c8e8\"\/><text x=\"580\" y=\"105\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">1<\/text><text x=\"604\" y=\"98\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15.5\" fill=\"#eef6f8\" font-weight=\"bold\">Ru\u1ed9t \u0111\u1ed3ng tr\u00f2n xo\u1eafn \u00e9p ch\u1eb7t, 240 mm\u00b2<\/text><text x=\"604\" y=\"118\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">4 l\u00f5i c\u00f9ng ti\u1ebft di\u1ec7n (L1, L2, L3, N); IEC 60228 c\u1ea5p 2<\/text><circle cx=\"580\" cy=\"166\" r=\"12\" fill=\"#e8c37b\"\/><text x=\"580\" y=\"171\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">2<\/text><text x=\"604\" y=\"164\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15.5\" fill=\"#eef6f8\" font-weight=\"bold\">B\u0103ng mica qu\u1ea5n quanh ru\u1ed9t<\/text><text x=\"604\" y=\"184\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">l\u1edbp c\u00e1ch \u0111i\u1ec7n v\u00f4 c\u01a1 gi\u1eef m\u1ea1ch khi l\u1edbp h\u1eefu c\u01a1 ch\u00e1y<\/text><circle cx=\"580\" cy=\"232\" r=\"12\" fill=\"#5fd88a\"\/><text x=\"580\" y=\"237\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">3<\/text><text x=\"604\" y=\"230\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15.5\" fill=\"#eef6f8\" font-weight=\"bold\">C\u00e1ch \u0111i\u1ec7n XLPE<\/text><text x=\"604\" y=\"250\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">90 \u00b0C li\u00ean t\u1ee5c, 250 \u00b0C ng\u1eafn m\u1ea1ch t\u1ed1i \u0111a 5 s<\/text><circle cx=\"580\" cy=\"298\" r=\"12\" fill=\"#c98aff\"\/><text x=\"580\" y=\"303\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">4<\/text><text x=\"604\" y=\"296\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15.5\" fill=\"#eef6f8\" font-weight=\"bold\">B\u0103ng m\u00e0u nh\u1eadn bi\u1ebft l\u00f5i<\/text><text x=\"604\" y=\"316\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">\u0111\u1ecf, v\u00e0ng, xanh d\u01b0\u01a1ng, kh\u00f4ng m\u00e0u (N); theo \u0111\u1eb7t h\u00e0ng<\/text><circle cx=\"580\" cy=\"364\" r=\"12\" fill=\"#ffb454\"\/><text x=\"580\" y=\"369\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">5<\/text><text x=\"604\" y=\"362\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15.5\" fill=\"#eef6f8\" font-weight=\"bold\">L\u1edbp ch\u00e8n v\u00e0 v\u1ecf trong FR-PVC<\/text><text x=\"604\" y=\"382\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">gi\u1eef tr\u00f2n c\u1ee5m l\u00f5i, \u0111\u1ec7m c\u01a1 h\u1ecdc<\/text><circle cx=\"580\" cy=\"430\" r=\"12\" fill=\"#ff777f\"\/><text x=\"580\" y=\"435\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#0a1014\" font-weight=\"bold\">6<\/text><text x=\"604\" y=\"428\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15.5\" fill=\"#eef6f8\" font-weight=\"bold\">V\u1ecf ngo\u00e0i FR-PVC<\/text><text x=\"604\" y=\"448\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">ch\u1eadm ch\u00e1y; m\u00e0u v\u1ecf theo \u0111\u1eb7t h\u00e0ng<\/text><text x=\"520\" y=\"528\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">Minh h\u1ecda nguy\u00ean l\u00fd; s\u1ed1 l\u1edbp b\u0103ng mica, chi\u1ec1u d\u00e0y v\u00e0 t\u1ef7 l\u1ec7 ch\u1ec9 mang t\u00ednh s\u01a1 \u0111\u1ed3, k\u00edch th\u01b0\u1edbc th\u1eadt theo b\u1ea3ng d\u1eef li\u1ec7u FeiChun<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 1. S\u01a1 \u0111\u1ed3 m\u1eb7t c\u1eaft CXV\/FR 0,6\/1 kV 4\u00d7240 (minh h\u1ecda nguy\u00ean l\u00fd, kh\u00f4ng theo t\u1ef7 l\u1ec7).<\/div><\/div><div class=\"note\"><b>V\u1ec1 thi\u1ebft k\u1ebf ri\u00eang c\u1ee7a FeiChun.<\/b> S\u1ed1 s\u1ee3i v\u00e0 \u0111\u01b0\u1eddng k\u00ednh s\u1ee3i \u0111\u1ed3ng, lo\u1ea1i mica, s\u1ed1 l\u1edbp v\u00e0 \u0111\u1ed9 ch\u1ed3ng m\u00e9p b\u0103ng, h\u1ee3p ch\u1ea5t ch\u00e8n v\u00e0 v\u1ecf l\u00e0 th\u00f4ng s\u1ed1 nh\u00e0 m\u00e1y; b\u00e0i n\u00e0y kh\u00f4ng suy \u0111o\u00e1n c\u00e1c gi\u00e1 tr\u1ecb \u0111\u00f3. H\u00e3y y\u00eau c\u1ea7u b\u1ea3ng c\u1ea5u t\u1ea1o v\u00e0 bi\u00ean b\u1ea3n th\u1eed tr\u00ean c\u00e1p th\u00e0nh ph\u1ea9m theo \u0111\u00fang m\u00e3 4\u00d7240.<\/div><\/section><section id=\"s3\"><h2>3. B\u0103ng mica: c\u01a1 ch\u1ebf ch\u1ed1ng ch\u00e1y v\u00e0 \u0111i\u1ec3m c\u1ea7n ki\u1ec3m ch\u1ee9ng<\/h2><p>B\u0103ng mica l\u00e0 gi\u1ea5y mica (phlogopite, muscovite ho\u1eb7c mica t\u1ed5ng h\u1ee3p) d\u00e1n l\u00ean n\u1ec1n v\u1ea3i th\u1ee7y tinh ho\u1eb7c m\u00e0ng polyme v\u00e0 t\u1ea9m nh\u1ef1a silicone<sup class=\"ref-n\">[10]<\/sup><sup class=\"ref-n\">[11]<\/sup>. Khi c\u00f3 ch\u00e1y, l\u1edbp h\u1eefu c\u01a1 nh\u01b0 XLPE v\u00e0 PVC ch\u00e1y \u0111i, c\u00f2n b\u0103ng mica \u1edf l\u1ea1i nh\u01b0 m\u1ed9t l\u1edbp c\u00e1ch \u0111i\u1ec7n v\u00f4 c\u01a1 ng\u0103n c\u00e1c ru\u1ed9t ch\u1ea1m nhau<sup class=\"ref-n\">[12]<\/sup>. N\u1ec1n th\u1ee7y tinh \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u1edf m\u00f4i tr\u01b0\u1eddng rung v\u00ec b\u1ec1n c\u01a1 h\u1ecdc h\u01a1n n\u1ec1n m\u00e0ng<sup class=\"ref-n\">[12]<\/sup>.<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:700px\"><caption>B\u0103ng mica theo nh\u00f3m v\u1eadt li\u1ec7u (s\u1ed1 li\u1ec7u c\u1ee7a nh\u00e0 cung c\u1ea5p b\u0103ng)<\/caption><thead><tr><th>Lo\u1ea1i<\/th><th>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ng\u1ecdn l\u1eeda th\u01b0\u1eddng n\u00eau<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody><tr><td>Phlogopite<\/td><td>kho\u1ea3ng 750 \u2013 830 \u00b0C<sup class=\"ref-n\">[10]<\/sup><\/td><td>ph\u1ed5 bi\u1ebfn cho c\u00e1p ch\u1ed1ng ch\u00e1y<\/td><\/tr><tr><td>Mica nung (calcined)<\/td><td>kho\u1ea3ng 900 \u2013 950 \u00b0C<sup class=\"ref-n\">[10]<\/sup><\/td><td>theo nh\u00e0 cung c\u1ea5p<\/td><\/tr><tr><td>Mica t\u1ed5ng h\u1ee3p<\/td><td>kho\u1ea3ng 950 \u2013 1 000 \u00b0C<sup class=\"ref-n\">[10]<\/sup><\/td><td>d\u00f9ng khi c\u1ea7n m\u1ee9c nhi\u1ec7t cao h\u01a1n<\/td><\/tr><\/tbody><\/table><\/div><p>Ba \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ea7n l\u01b0u \u00fd khi \u0111\u1ecdc h\u1ed3 s\u01a1:<\/p><ul><li><b>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u0103ng kh\u00f4ng ph\u1ea3i k\u1ebft qu\u1ea3 th\u1eed c\u00e1p.<\/b> Nh\u00e0 cung c\u1ea5p mica khuy\u1ebfn c\u00e1o ph\u1ea3i c\u00f3 b\u00e1o c\u00e1o th\u1eed duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n tr\u00ean c\u00e1p th\u00e0nh ph\u1ea9m, kh\u00f4ng thay b\u1eb1ng ch\u1ee9ng ch\u1ec9 c\u1ee7a gi\u1ea5y mica<sup class=\"ref-n\">[14]<\/sup>.<\/li><li><b>C\u1ea5u h\u00ecnh l\u1edbp quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n c\u1ea5u tr\u00fac.<\/b> M\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf d\u00f9ng hai l\u1edbp b\u0103ng quay m\u1eb7t mica v\u00e0o nhau (“mica sandwich”) ho\u1eb7c th\u00eam silicone g\u1ed1m h\u00f3a \u1edf kho\u1ea3ng 600 \u2013 900 \u00b0C \u0111\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n khi ch\u00e1y<sup class=\"ref-n\">[11]<\/sup>.<\/li><li><b>Va \u0111\u1eadp khi c\u00e1p c\u00f2n n\u00f3ng l\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/b> \u0110\u1ed9 gi\u00f2n c\u1ee7a v\u1eadt li\u1ec7u ch\u1ed1ng ch\u00e1y v\u00e0 l\u1edbp c\u1eb7n c\u00e1ch \u0111i\u1ec7n \u0111\u00f3ng vai tr\u00f2 l\u1edbn trong ph\u00e9p th\u1eed c\u00f3 va \u0111\u1eadp<sup class=\"ref-n\">[15]<\/sup>; v\u00ec v\u1eady c\u00e1c ph\u00e9p th\u1eed c\u00f3 va \u0111\u1eadp (BS 6387 lo\u1ea1i Z, IEC 60331-1) kh\u00f4ng th\u1ec3 suy ra t\u1eeb ph\u00e9p th\u1eed l\u1eeda \u0111\u01a1n.<\/li><\/ul><\/section><section id=\"s4\"><h2>4. Th\u00f4ng s\u1ed1 theo ti\u00eau chu\u1ea9n<\/h2><div class=\"scroll\"><table class=\"data\" style=\"min-width:900px\"><caption>C\u01a1 – nhi\u1ec7t – \u0111i\u1ec7n (t\u1ed5ng h\u1ee3p t\u1eeb c\u00e1c datasheet)<\/caption><thead><tr><th>Th\u00f4ng s\u1ed1<\/th><th>Gi\u00e1 tr\u1ecb<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody><tr><td>Nhi\u1ec7t \u0111\u1ed9 ru\u1ed9t<\/td><td>90 \u00b0C l\u00e0m vi\u1ec7c; 250 \u00b0C ng\u1eafn m\u1ea1ch, t\u1ed1i \u0111a 5 s<sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[3]<\/sup><\/td><td>ki\u1ec3m tra d\u00f2ng ng\u1eafn m\u1ea1ch theo th\u1eddi gian c\u1eaft<\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p th\u1eed<\/td><td>3,5 kV, 5 ph\u00fat<sup class=\"ref-n\">[2]<\/sup><sup class=\"ref-n\">[5]<\/sup><\/td><td><\/td><\/tr><tr><td>\u0110i\u1ec7n tr\u1edf DC 20 \u00b0C (240 mm\u00b2 \u0111\u1ed3ng)<\/td><td>0,0754 \u03a9\/km (IEC 60228)<\/td><td>gi\u00e1 tr\u1ecb ti\u00eau chu\u1ea9n t\u1ed1i \u0111a; \u1edf 90 \u00b0C kho\u1ea3ng 0,096 \u03a9\/km<\/td><\/tr><tr><td>B\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u<\/td><td>15\u00d7D (m\u1ed1c tham chi\u1ebfu cho c\u00e1p l\u1ef1c 4 l\u00f5i kh\u00f4ng gi\u00e1p)<sup class=\"ref-n\">[19]<\/sup><\/td><td>l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh; D = \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i<\/td><\/tr><tr><td>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i, kh\u1ed1i l\u01b0\u1ee3ng<\/td><td>kh\u00f4ng c\u00f3 ngu\u1ed3n c\u00f4ng khai cho b\u1ea3n FR 4\u00d7240<\/td><td>tham chi\u1ebfu b\u1ea3n kh\u00f4ng FR: \u00d8 51,1 mm; 9 620 kg\/km<sup class=\"ref-n\">[19]<\/sup><\/td><\/tr><tr><td>Ch\u1ed1ng ch\u00e1y (duy tr\u00ec m\u1ea1ch)<\/td><td>750 \u00b0C\/90 ph\u00fat theo TCVN\/IEC; 950 \u00b0C\/180 ph\u00fat khi th\u1eed th\u00eam BS 6387<sup class=\"ref-n\">[1]<\/sup><\/td><td>theo catalog nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c; \u00e1p d\u1ee5ng cho m\u00e3 FeiChun theo bi\u00ean b\u1ea3n<\/td><\/tr><tr><td>Ch\u1ed1ng ch\u00e1y lan b\u00f3 c\u00e1p<\/td><td>IEC 60332-3-24 lo\u1ea1i C<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[8]<\/sup><\/td><td>xem m\u1ee5c 5<\/td><\/tr><\/tbody><\/table><\/div><\/section><section id=\"s5\"><h2>5. \u0110\u1ecdc \u0111\u00fang c\u00e1c ph\u00e9p th\u1eed ch\u00e1y<\/h2><p>M\u1ed9t c\u00e1p “ch\u1ed1ng ch\u00e1y” c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1eed theo nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau, v\u00e0 m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p tr\u1ea3 l\u1eddi m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c nhau. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00e1ch b\u1ea1ch ch\u00fang.<\/p><div class=\"svg\"><svg viewBox=\"0 0 900 420\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"So s\u00e1nh \u0111i\u1ec1u ki\u1ec7n c\u00e1c ph\u00e9p th\u1eed duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n khi ch\u00e1y: IEC 60331-21, BS 6387 C, W, Z v\u00e0 IEC 60331-1\"><rect width=\"900\" height=\"420\" fill=\"#0e1a1e\"\/><text x=\"20\" y=\"32\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#eef6f8\" font-weight=\"bold\">Th\u1eddi gian t\u00e1c d\u1ee5ng c\u1ee7a l\u1eeda theo t\u1eebng ph\u00e9p th\u1eed (ph\u00fat)<\/text><line x1=\"250.0\" y1=\"56\" x2=\"250.0\" y2=\"360\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"250.0\" y=\"378\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">0<\/text><line x1=\"340.0\" y1=\"56\" x2=\"340.0\" y2=\"360\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"340.0\" y=\"378\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">30<\/text><line x1=\"430.0\" y1=\"56\" x2=\"430.0\" y2=\"360\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"430.0\" y=\"378\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">60<\/text><line x1=\"520.0\" y1=\"56\" x2=\"520.0\" y2=\"360\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"520.0\" y=\"378\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">90<\/text><line x1=\"610.0\" y1=\"56\" x2=\"610.0\" y2=\"360\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"610.0\" y=\"378\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">120<\/text><line x1=\"700.0\" y1=\"56\" x2=\"700.0\" y2=\"360\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"700.0\" y=\"378\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">150<\/text><line x1=\"790.0\" y1=\"56\" x2=\"790.0\" y2=\"360\" stroke=\"#2a4650\" stroke-width=\"1\"\/><text x=\"790.0\" y=\"378\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">180<\/text><text x=\"20\" y=\"86\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15\" fill=\"#e8c37b\" font-weight=\"bold\">IEC 60331-21<\/text><rect x=\"250\" y=\"70\" width=\"270.0\" height=\"24\" fill=\"#ffb454\" opacity=\"0.85\"\/><text x=\"530.0\" y=\"87\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#ffb454\" font-weight=\"bold\">90 ph\u00fat<\/text><text x=\"20\" y=\"106\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">\u2265 750 \u00b0C \u00b7 l\u1eeda \u0111\u01a1n<\/text><text x=\"20\" y=\"144\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15\" fill=\"#e8c37b\" font-weight=\"bold\">BS 6387 lo\u1ea1i C<\/text><rect x=\"250\" y=\"128\" width=\"540.0\" height=\"24\" fill=\"#ff777f\" opacity=\"0.85\"\/><text x=\"800.0\" y=\"145\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#ff777f\" font-weight=\"bold\">180 ph\u00fat<\/text><text x=\"20\" y=\"164\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">950 \u00b1 40 \u00b0C \u00b7 l\u1eeda \u0111\u01a1n<\/text><text x=\"20\" y=\"202\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15\" fill=\"#e8c37b\" font-weight=\"bold\">BS 6387 lo\u1ea1i W<\/text><rect x=\"250\" y=\"186\" width=\"90.0\" height=\"24\" fill=\"#38c8e8\" opacity=\"0.85\"\/><text x=\"350.0\" y=\"203\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#38c8e8\" font-weight=\"bold\">30 ph\u00fat<\/text><text x=\"20\" y=\"222\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">650 \u00b1 40 \u00b0C \u00b7 15 ph\u00fat l\u1eeda + 15 ph\u00fat n\u01b0\u1edbc<\/text><text x=\"20\" y=\"260\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15\" fill=\"#e8c37b\" font-weight=\"bold\">BS 6387 lo\u1ea1i Z<\/text><rect x=\"250\" y=\"244\" width=\"45.0\" height=\"24\" fill=\"#c98aff\" opacity=\"0.85\"\/><text x=\"305.0\" y=\"261\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#c98aff\" font-weight=\"bold\">15 ph\u00fat<\/text><text x=\"20\" y=\"280\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">950 \u00b1 40 \u00b0C \u00b7 15 ph\u00fat l\u1eeda + va \u0111\u1eadp m\u1ed7i 30 s<\/text><text x=\"20\" y=\"318\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"15\" fill=\"#e8c37b\" font-weight=\"bold\">IEC 60331-1<\/text><rect x=\"250\" y=\"302\" width=\"180.0\" height=\"24\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"2\" stroke-dasharray=\"6 5\"\/><text x=\"440.0\" y=\"319\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#e8c37b\" font-weight=\"normal\">th\u1eddi gian theo phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng<\/text><text x=\"20\" y=\"338\" text-anchor=\"start\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12.5\" fill=\"#9cc0cc\" font-weight=\"normal\">\u2265 830 \u00b0C \u00b7 l\u1eeda + va \u0111\u1eadp (\u00d8 ngo\u00e0i > 20 mm)<\/text><text x=\"450\" y=\"405\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#7fa4b0\" font-weight=\"normal\">Thanh n\u00e9t \u0111\u1ee9t c\u1ee7a IEC 60331-1 ch\u1ec9 minh h\u1ecda, kh\u00f4ng ph\u1ea3i th\u1eddi gian quy \u0111\u1ecbnh. \u0110i\u1ec1u ki\u1ec7n chi ti\u1ebft: xem ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh.<\/text><\/svg><div class=\"svg-caption\">H\u00ecnh 2. Nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian t\u00e1c d\u1ee5ng c\u1ee7a l\u1eeda theo t\u1eebng ph\u00e9p th\u1eed duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n (t\u00f3m t\u1eaft t\u1eeb t\u00e0i li\u1ec7u ti\u00eau chu\u1ea9n).<\/div><\/div><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1000px\"><caption>C\u00e1c ph\u00e9p th\u1eed li\u00ean quan \u0111\u1ebfn CXV\/FR<\/caption><thead><tr><th>Ph\u00e9p th\u1eed<\/th><th>\u0110i\u1ec1u ki\u1ec7n<\/th><th>Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi g\u00ec<\/th><th>Ngu\u1ed3n<\/th><\/tr><\/thead><tbody><tr><td>IEC 60331-21<\/td><td>l\u1eeda \u0111\u01a1n, \u2265 750 \u00b0C, 90 ph\u00fat; \u0111i\u1ec7n \u00e1p th\u1eed gi\u1eefa c\u00e1c ru\u1ed9t b\u1eb1ng \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh; c\u00e1p \u0111\u1ebfn 0,6\/1 kV<\/td><td>c\u00e1p c\u00f2n d\u1eabn \u0111i\u1ec7n khi ch\u00e1y kh\u00f4ng<\/td><td><sup class=\"ref-n\">[6]<\/sup><sup class=\"ref-n\">[7]<\/sup><sup class=\"ref-n\">[15]<\/sup><\/td><\/tr><tr><td>IEC 60331-1<\/td><td>l\u1eeda \u2265 830 \u00b0C k\u00e8m va \u0111\u1eadp; \u00e1p d\u1ee5ng cho c\u00e1p \u00d8 ngo\u00e0i l\u1edbn h\u01a1n 20 mm<\/td><td>c\u00f2n d\u1eabn \u0111i\u1ec7n khi v\u1eeba ch\u00e1y v\u1eeba b\u1ecb va \u0111\u1eadp kh\u00f4ng<\/td><td><sup class=\"ref-n\">[6]<\/sup><\/td><\/tr><tr><td>BS 6387 lo\u1ea1i C<\/td><td>950 \u00b1 40 \u00b0C, 3 gi\u1edd<\/td><td>ch\u1ecbu l\u1eeda l\u00e2u \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/td><td><sup class=\"ref-n\">[7]<\/sup><\/td><\/tr><tr><td>BS 6387 lo\u1ea1i W<\/td><td>650 \u00b1 40 \u00b0C, 15 ph\u00fat l\u1eeda r\u1ed3i 15 ph\u00fat l\u1eeda c\u00f9ng n\u01b0\u1edbc<\/td><td>c\u00f2n d\u1eabn \u0111i\u1ec7n khi b\u1ecb phun n\u01b0\u1edbc ch\u1eefa ch\u00e1y kh\u00f4ng<\/td><td><sup class=\"ref-n\">[7]<\/sup><\/td><\/tr><tr><td>BS 6387 lo\u1ea1i Z<\/td><td>950 \u00b1 40 \u00b0C, 15 ph\u00fat l\u1eeda, va \u0111\u1eadp c\u01a1 kh\u00ed m\u1ed7i 30 gi\u00e2y<\/td><td>c\u00f2n d\u1eabn \u0111i\u1ec7n khi v\u1eadt r\u01a1i va v\u00e0o c\u00e1p kh\u00f4ng<\/td><td><sup class=\"ref-n\">[7]<\/sup><\/td><\/tr><tr><td>IEC 60332-3-24 lo\u1ea1i C<\/td><td>b\u00f3 c\u00e1p th\u1eb3ng \u0111\u1ee9ng, 1,5 l\/m v\u1eadt li\u1ec7u phi kim, l\u1eeda 20 ph\u00fat; \u0111\u1ea1t khi ph\u1ea7n ch\u00e1y x\u00e9m kh\u00f4ng qu\u00e1 2,5 m<\/td><td>c\u00f3 l\u00e0m ch\u00e1y lan theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng kh\u00f4ng<\/td><td><sup class=\"ref-n\">[8]<\/sup><sup class=\"ref-n\">[9]<\/sup><\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>\u0110i\u1ec3m d\u1ec5 b\u1ecf s\u00f3t v\u1edbi c\u1ee1 4\u00d7240.<\/b> Theo Eland, IEC 60331-1 d\u00e0nh cho c\u00e1p c\u00f3 \u00d8 ngo\u00e0i l\u1edbn h\u01a1n 20 mm<sup class=\"ref-n\">[6]<\/sup>. C\u00e1p 4\u00d7240 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh v\u01b0\u1ee3t xa m\u1ee9c \u0111\u00f3, n\u00ean khi h\u1ed3 s\u01a1 ch\u1ec9 c\u00f3 b\u00e1o c\u00e1o l\u1eeda \u0111\u01a1n tr\u00ean m\u1eabu nh\u1ecf, h\u00e3y h\u1ecfi r\u00f5: phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n, \u0111\u01b0\u1eddng k\u00ednh m\u1eabu \u0111\u00e3 th\u1eed, \u0111i\u1ec7n \u00e1p th\u1eed v\u00e0 c\u00e1ch \u00e1p d\u1ee5ng k\u1ebft qu\u1ea3 cho ti\u1ebft di\u1ec7n l\u1edbn. IEC 60332-3-24 ch\u1ec9 n\u00f3i v\u1ec1 ch\u00e1y lan, kh\u00f4ng thay cho ph\u00e9p th\u1eed duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n.<\/div><\/section><section id=\"s6\"><h2>6. T\u00ednh to\u00e1n cho 4\u00d7240 mm\u00b2 \u0111\u1ed3ng<\/h2><div class=\"formula\"><b>R<sub>90 \u00b0C<\/sub> = R<sub>20 \u00b0C<\/sub> \u00b7 1,275 = 0,0754 \u00b7 1,275 \u2248 0,0961 \u03a9\/km<\/b><\/div><p>V\u1edbi X = 0,08 \u03a9\/km (gi\u1ea3 \u0111\u1ecbnh c\u1ee7a t\u00e1c gi\u1ea3) v\u00e0 cos \u03c6 = 0,85, s\u1ee5t \u00e1p \u0111\u01a1n v\u1ecb: <b>\u0394U = \u221a3 \u00b7 I \u00b7 L \u00b7 (R cos \u03c6 + X sin \u03c6) \u2248 0,2145 mV\/A\/m<\/b>. B\u1ea3ng sau t\u00ednh cho l\u01b0\u1edbi 400 V, ba pha c\u00e2n b\u1eb1ng, b\u1ecf qua nhi\u1ec7t \u0111\u1ed9 th\u1ef1c t\u1ebf c\u1ee7a ru\u1ed9t (ki\u1ec3m tra l\u1ea1i theo d\u00f2ng l\u00e0m vi\u1ec7c).<\/p><div class=\"scroll\"><table class=\"data\" style=\"min-width:800px\"><caption>S\u1ee5t \u00e1p (400 V, ba pha, cos \u03c6 = 0,85, X gi\u1ea3 \u0111\u1ecbnh 0,08 \u03a9\/km)<\/caption><thead><tr><th>D\u00f2ng<\/th><th>100 m<\/th><th>200 m<\/th><th>300 m<\/th><th>400 m<\/th><\/tr><\/thead><tbody><tr><td>200 A<\/td><td>\u2248 4,3 V (1,1 %)<\/td><td>\u2248 8,6 V (2,1 %)<\/td><td>\u2248 12,9 V (3,2 %)<\/td><td>\u2248 17,2 V (4,3 %)<\/td><\/tr><tr><td>300 A<\/td><td>\u2248 6,4 V (1,6 %)<\/td><td>\u2248 12,9 V (3,2 %)<\/td><td>\u2248 19,3 V (4,8 %)<\/td><td>\u2248 25,7 V (6,4 %)<\/td><\/tr><\/tbody><\/table><\/div><p>V\u1edbi tuy\u1ebfn d\u00e0i, s\u1ee5t \u00e1p th\u01b0\u1eddng quy\u1ebft \u0111\u1ecbnh ti\u1ebft di\u1ec7n tr\u01b0\u1edbc c\u1ea3 nhi\u1ec7t \u0111\u1ed9; v\u1edbi \u0111\u1ed9ng c\u01a1 b\u01a1m ch\u1eefa ch\u00e1y c\u1ea7n ki\u1ec3m tra th\u00eam s\u1ee5t \u00e1p khi kh\u1edfi \u0111\u1ed9ng, v\u00ec d\u00f2ng kh\u1edfi \u0111\u1ed9ng cao h\u01a1n nhi\u1ec1u d\u00f2ng \u0111\u1ecbnh m\u1ee9c v\u00e0 ph\u1ee5 thu\u1ed9c ph\u01b0\u01a1ng ph\u00e1p kh\u1edfi \u0111\u1ed9ng.<\/p><div class=\"formula\"><b>I<sub>ng\u1eafn m\u1ea1ch<\/sub> = k \u00b7 S \/ \u221at, k = 143 (Cu, XLPE 90 \u2192 250 \u00b0C), S = 240 mm\u00b2 m\u1ed7i l\u00f5i<\/b><\/div><div class=\"scroll\"><table class=\"data\" style=\"min-width:700px\"><caption>D\u00f2ng ng\u1eafn m\u1ea1ch ch\u1ecbu \u0111\u01b0\u1ee3c theo th\u1eddi gian c\u1eaft (m\u1ed7i l\u00f5i 240 mm\u00b2)<\/caption><thead><tr><th>t<\/th><th>0,5 s<\/th><th>1 s<\/th><th>3 s<\/th><th>5 s<\/th><\/tr><\/thead><tbody><tr><td>I<sub>cp<\/sub><\/td><td>48,5 kA<\/td><td>34,3 kA<\/td><td>19,8 kA<\/td><td>15,3 kA<\/td><\/tr><\/tbody><\/table><\/div><p>T\u1ed5n hao nhi\u1ec7t ba pha <b>P = 3 \u00b7 I\u00b2 \u00b7 R<sub>90 \u00b0C<\/sub><\/b>: kho\u1ea3ng <b>11,5 W\/m<\/b> \u1edf 200 A, <b>26,0 W\/m<\/b> \u1edf 300 A v\u00e0 <b>46,1 W\/m<\/b> \u1edf 400 A cho m\u1ed7i c\u00e1p. Trong h\u1ea7m c\u00e1p c\u00f3 nhi\u1ec1u c\u00e1p c\u00f9ng tuy\u1ebfn, t\u1ea3i nhi\u1ec7t c\u1ed9ng d\u1ed3n v\u00e0 h\u1ec7 s\u1ed1 nh\u00f3m theo IEC 60364-5-52 l\u00e0m d\u00f2ng cho ph\u00e9p gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/p><p><b>D\u00f2ng cho ph\u00e9p.<\/b> Ch\u01b0a c\u00f3 b\u1ea3ng d\u00f2ng c\u00f4ng khai cho b\u1ea3n FR c\u1ee7a FeiChun; h\u00e3y l\u1ea5y d\u00f2ng b\u1ea3ng t\u1eeb d\u1eef li\u1ec7u c\u1ee7a FeiChun r\u1ed3i nh\u00e2n c\u00e1c h\u1ec7 s\u1ed1 c\u00e1ch \u0111\u1eb7t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 nh\u00f3m. \u0110\u1ec3 c\u00f3 m\u1ed1c tr\u1ea7n, m\u1ed9t c\u00e1p \u0111\u1ed3ng 4 l\u00f5i XLPE c\u00f3 gi\u00e1p th\u00e9p theo Nexans ghi 546 A trong kh\u00f4ng kh\u00ed v\u00e0 375 A khi ch\u00f4n<sup class=\"ref-n\">[19]<\/sup>; \u0111\u00e2y l\u00e0 c\u00e1p kh\u00e1c c\u1ea5u t\u1ea1o v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng thay gi\u00e1 tr\u1ecb c\u1ee7a CXV\/FR.<\/p><div class=\"formula\"><b>Kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ed3ng l\u00fd thuy\u1ebft: 960 \u00b7 8,89 \u2248 8 534 kg\/km; c\u00e1p Cu\/XLPE\/PVC 4\u00d7240 kh\u00f4ng FR: 9 620 kg\/km \u2192 ph\u1ea7n phi kim \u2248 1 086 kg\/km<\/b><\/div><p>C\u00e1p n\u1eb7ng kho\u1ea3ng 9,6 kg\/m \u1edf b\u1ea3n kh\u00f4ng ch\u1ed1ng ch\u00e1y (b\u1ea3n FR c\u00f3 th\u00eam b\u0103ng mica v\u00e0 v\u1ecf ch\u1eadm ch\u00e1y n\u00ean c\u1ea7n l\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng th\u1eadt c\u1ee7a FeiChun), do \u0111\u00f3 t\u1ea3i tr\u1ecdng thang c\u00e1p v\u00e0 b\u01b0\u1edbc k\u1eb9p ph\u1ea3i t\u00ednh theo kh\u1ed1i l\u01b0\u1ee3ng th\u1ef1c. B\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u 15\u00d7D: v\u1edbi \u00d8 51,1 mm l\u00e0 kho\u1ea3ng 767 mm (m\u1ed1c th\u1ea5p, b\u1ea3n FR c\u00f3 th\u1ec3 l\u1edbn h\u01a1n). L\u1ef1c k\u00e9o l\u1eafp \u0111\u1eb7t khi k\u00e9o b\u1eb1ng \u0111\u1ea7u k\u00e9o g\u1eafn l\u00ean ru\u1ed9t th\u01b0\u1eddng l\u1ea5y kho\u1ea3ng 50 N\/mm\u00b2 \u0111\u1ed3ng, t\u1ee9c 960 \u00b7 50 = 48 kN<sup class=\"ref-n\">[19]<\/sup>; gi\u00e1 tr\u1ecb n\u00e0y l\u00e0 h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t ph\u1ed5 bi\u1ebfn c\u1ea7n x\u00e1c nh\u1eadn v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t, v\u00e0 <b>kh\u00f4ng so s\u00e1nh tr\u1ef1c ti\u1ebfp<\/b> v\u1edbi gi\u1edbi h\u1ea1n t\u0129nh 15 N\/mm\u00b2 c\u1ee7a c\u00e1p cao su di \u0111\u1ed9ng<sup class=\"ref-n\">[20]<\/sup>, v\u00ec hai con s\u1ed1 \u1ee9ng v\u1edbi hai \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau (k\u00e9o m\u1ed9t l\u1ea7n khi thi c\u00f4ng so v\u1edbi t\u1ea3i l\u00e0m vi\u1ec7c li\u00ean t\u1ee5c).<\/p><div class=\"note\"><b>V\u00ec sao 4\u00d7240 ch\u1ee9 kh\u00f4ng ph\u1ea3i 3\u00d7240+1\u00d7120?<\/b> Trung t\u00ednh \u0111\u1ee7 c\u1ee1 c\u00f3 \u00fd ngh\u0129a khi t\u1ea3i c\u00f3 s\u00f3ng h\u00e0i b\u1eadc ba l\u1edbn (bi\u1ebfn t\u1ea7n, LED, ch\u1ec9nh l\u01b0u): d\u00f2ng trung t\u00ednh c\u00f3 th\u1ec3 b\u1eb1ng ho\u1eb7c v\u01b0\u1ee3t d\u00f2ng pha, v\u00e0 IEC 60364-5-52 \u0111\u01b0a ra h\u1ec7 s\u1ed1 theo h\u00e0m l\u01b0\u1ee3ng h\u00e0i<sup class=\"ref-n\">[19]<\/sup>.<\/div><\/section><section id=\"s7\"><h2>7. So s\u00e1nh v\u1edbi c\u00e1p th\u01b0\u1eddng, c\u00e1p LSZH ch\u1ed1ng ch\u00e1y v\u00e0 c\u00e1p di \u0111\u1ed9ng<\/h2><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1000px\"><caption>Ba c\u1ea5u h\u00ecnh c\u00e1p l\u1ef1c 0,6\/1 kV cho tuy\u1ebfn c\u1ed1 \u0111\u1ecbnh<\/caption><thead><tr><th>Ti\u00eau ch\u00ed<\/th><th>CXV (Cu\/XLPE\/PVC)<\/th><th>CXV\/FR (Cu\/Mica\/XLPE\/FR-PVC)<\/th><th>Ch\u1ed1ng ch\u00e1y \u00edt kh\u00f3i kh\u00f4ng halogen (mica + LSZH)<\/th><\/tr><\/thead><tbody><tr><td>Duy tr\u00ec m\u1ea1ch khi ch\u00e1y<\/td><td>kh\u00f4ng<\/td><td>c\u00f3, theo bi\u00ean b\u1ea3n th\u1eed IEC 60331 \/ BS 6387<sup class=\"ref-n\">[1]<\/sup><sup class=\"ref-n\">[6]<\/sup><sup class=\"ref-n\">[7]<\/sup><\/td><td>c\u00f3, theo bi\u00ean b\u1ea3n th\u1eed t\u01b0\u01a1ng \u1ee9ng<\/td><\/tr><tr><td>L\u1edbp ch\u1ed1ng ch\u00e1y<\/td><td>kh\u00f4ng c\u00f3<\/td><td>b\u0103ng mica<sup class=\"ref-n\">[2]<\/sup><\/td><td>b\u0103ng mica<\/td><\/tr><tr><td>V\u1ecf<\/td><td>PVC<\/td><td>FR-PVC (c\u00f3 halogen, ch\u1eadm ch\u00e1y)<sup class=\"ref-n\">[19]<\/sup><\/td><td>LSZH: ki\u1ec3m theo IEC 60754-1 (kh\u00ed axit) v\u00e0 IEC 61034 (kh\u00f3i; \u0111\u1ed9 truy\u1ec1n s\u00e1ng t\u1ed1i thi\u1ec3u 60 %)<sup class=\"ref-n\">[17]<\/sup><\/td><\/tr><tr><td>Kh\u00f3i v\u00e0 kh\u00ed axit khi ch\u00e1y<\/td><td>kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u<\/td><td>v\u1ecf PVC kh\u00f4ng ph\u1ea3i v\u1eadt li\u1ec7u \u00edt kh\u00f3i kh\u00f4ng halogen<\/td><td>thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m kh\u00f3i v\u00e0 kh\u00ed axit<\/td><\/tr><tr><td>N\u00ean c\u00e2n nh\u1eafc khi<\/td><td>tuy\u1ebfn \u0111i\u1ec7n l\u1ef1c th\u00f4ng th\u01b0\u1eddng<\/td><td>c\u1ea5p ngu\u1ed3n thi\u1ebft b\u1ecb an to\u00e0n ch\u00e1y, n\u01a1i h\u1ed3 s\u01a1 cho ph\u00e9p v\u1ecf PVC<\/td><td>h\u1ea7m, n\u01a1i \u0111\u00f4ng ng\u01b0\u1eddi, kh\u00f4ng gian k\u00edn m\u00e0 h\u1ed3 s\u01a1 y\u00eau c\u1ea7u \u00edt kh\u00f3i kh\u00f4ng halogen<\/td><\/tr><\/tbody><\/table><\/div><p>N\u1ebfu d\u1ef1 \u00e1n l\u00e0 h\u1ea7m k\u00edn, ga t\u00e0u ho\u1eb7c c\u00f4ng tr\u00ecnh c\u00f3 y\u00eau c\u1ea7u ri\u00eang v\u1ec1 kh\u00f3i v\u00e0 kh\u00ed \u0111\u1ed9c, h\u00e3y \u0111\u1ed1i chi\u1ebfu h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf tr\u01b0\u1edbc khi ch\u1ecdn v\u1ecf FR-PVC; quy chu\u1ea9n an to\u00e0n ch\u00e1y \u00e1p d\u1ee5ng chung cho nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh l\u00e0 QCVN 06:2022\/BXD (k\u00e8m S\u1eeda \u0111\u1ed5i 1:2023)<sup class=\"ref-n\">[18]<\/sup> v\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng h\u1ea1ng m\u1ee5c n\u1eb1m trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y \u0111\u00e3 th\u1ea9m duy\u1ec7t.<\/p><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:1100px\"><caption>CXV\/FR \u0111\u1eb7t c\u1ea1nh c\u00e1c h\u1ecd c\u00e1p di \u0111\u1ed9ng (s\u1ed1 li\u1ec7u catalog kh\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t)<\/caption><thead><tr><th>Ti\u00eau ch\u00ed<\/th><th>CXV\/FR 0,6\/1 kV<\/th><th>NSSH\u00d6U-J (VDE 0250-812)<\/th><th>REELTEC (N)SHT\u00d6U<\/th><th>Trommelflex PUR-HF<\/th><\/tr><\/thead><tbody><tr><td>V\u1eadt li\u1ec7u ch\u00ednh<\/td><td>XLPE + mica, v\u1ecf FR-PVC<sup class=\"ref-n\">[2]<\/sup><\/td><td>EPR, v\u1ecf cao su CPE\/CR<sup class=\"ref-n\">[20]<\/sup><\/td><td>cao su, b\u1ec7n polyester gi\u1eefa hai v\u1ecf<sup class=\"ref-n\">[20]<\/sup><\/td><td>PUR kh\u00f4ng halogen, c\u00f3 b\u1ec7n \u0111\u1ee1<sup class=\"ref-n\">[20]<\/sup><\/td><\/tr><tr><td>Ru\u1ed9t<\/td><td>\u0111\u1ed3ng c\u1ea5p 2, \u00e9p ch\u1eb7t<sup class=\"ref-n\">[3]<\/sup><\/td><td>\u0111\u1ed3ng m\u1ea1 thi\u1ebfc c\u1ea5p 5<sup class=\"ref-n\">[20]<\/sup><\/td><td>ru\u1ed9t m\u1ec1m theo datasheet<\/td><td>ru\u1ed9t m\u1ec1m theo datasheet<\/td><\/tr><tr><td>L\u1ef1c k\u00e9o l\u00e0m vi\u1ec7c<\/td><td>kh\u00f4ng quy \u0111\u1ecbnh cho l\u1eafp c\u1ed1 \u0111\u1ecbnh<\/td><td>15 N\/mm\u00b2<sup class=\"ref-n\">[20]<\/sup><\/td><td>\u0111\u1ebfn 20 N\/mm\u00b2<sup class=\"ref-n\">[20]<\/sup><\/td><td>25 N\/mm\u00b2<sup class=\"ref-n\">[20]<\/sup><\/td><\/tr><tr><td>B\u00e1n k\u00ednh u\u1ed1n<\/td><td>15\u00d7D (tham chi\u1ebfu, c\u1ed1 \u0111\u1ecbnh)<sup class=\"ref-n\">[19]<\/sup><\/td><td>10\u00d7D chuy\u1ec3n \u0111\u1ed9ng<sup class=\"ref-n\">[20]<\/sup><\/td><td>theo datasheet<\/td><td>6\u00d7D<sup class=\"ref-n\">[20]<\/sup><\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9<\/td><td>kh\u00f4ng d\u00f9ng cho chuy\u1ec3n \u0111\u1ed9ng<\/td><td>datasheet ngu\u1ed3n kh\u00f4ng n\u00eau<\/td><td>\u0111\u1ebfn 120 m\/ph\u00fat<sup class=\"ref-n\">[20]<\/sup><\/td><td>\u0111\u1ebfn 180 m\/ph\u00fat (festoon)<sup class=\"ref-n\">[20]<\/sup><\/td><\/tr><tr><td>Duy tr\u00ec m\u1ea1ch khi ch\u00e1y<\/td><td>c\u00f3 (b\u0103ng mica)<\/td><td>kh\u00f4ng n\u00eau<\/td><td>kh\u00f4ng n\u00eau<\/td><td>kh\u00f4ng n\u00eau<\/td><\/tr><tr><td>Ph\u00f9 h\u1ee3p nh\u1ea5t<\/td><td>tuy\u1ebfn c\u1ed1 \u0111\u1ecbnh c\u1ea5p \u0111i\u1ec7n an to\u00e0n ch\u00e1y<\/td><td>k\u00e9o l\u00ea, m\u1ecf, tang t\u1ed1c \u0111\u1ed9 v\u1eeba<\/td><td>tang nhi\u1ec1u l\u1edbp, t\u1ea3i k\u00e9o cao<\/td><td>tang v\u00e0 festoon t\u1ed1c \u0111\u1ed9 cao<\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>K\u1ebft lu\u1eadn k\u1ef9 thu\u1eadt.<\/b> Hai nh\u00f3m n\u00e0y kh\u00f4ng thay th\u1ebf nhau. CXV\/FR gi\u1ea3i b\u00e0i to\u00e1n gi\u1eef ngu\u1ed3n khi ch\u00e1y tr\u00ean tuy\u1ebfn c\u1ed1 \u0111\u1ecbnh; c\u00e1p cao su v\u00e0 PUR gi\u1ea3i b\u00e0i to\u00e1n k\u00e9o, u\u1ed1n v\u00e0 m\u00e0i m\u00f2n tr\u00ean \u0111o\u1ea1n di \u0111\u1ed9ng. Trong m\u1ed9t d\u1ef1 \u00e1n c\u1ea3ng ho\u1eb7c m\u1ecf, m\u1ed7i \u0111o\u1ea1n tuy\u1ebfn c\u1ea7n c\u00e1p c\u1ee7a h\u1ecd t\u01b0\u01a1ng \u1ee9ng, n\u1ed1i v\u1edbi nhau qua h\u1ed9p n\u1ed1i ho\u1eb7c t\u1ee7, ch\u1ee9 kh\u00f4ng ch\u1ecdn m\u1ed9t lo\u1ea1i cho c\u1ea3 tuy\u1ebfn.<\/div><\/section><section id=\"s8\"><h2>8. \u1ee8ng d\u1ee5ng: b\u01a1m PCCC, h\u1ea7m c\u00e1p, v\u00e1ch ng\u0103n ch\u00e1y<\/h2><div class=\"imgcap\"><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Thang c\u00e1p - b\u01a1m PCCC\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\">Thang c\u00e1p – b\u01a1m PCCC<\/text><rect x=\"20\" y=\"70\" width=\"40\" height=\"70\" rx=\"4\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><text x=\"40\" y=\"110\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"13\" fill=\"#38c8e8\" font-weight=\"bold\">T\u0110<\/text><line x1=\"60\" y1=\"118\" x2=\"290\" y2=\"118\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><line x1=\"60\" y1=\"134\" x2=\"290\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><line x1=\"70\" y1=\"118\" x2=\"70\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"90\" y1=\"118\" x2=\"90\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"110\" y1=\"118\" x2=\"110\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"130\" y1=\"118\" x2=\"130\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"150\" y1=\"118\" x2=\"150\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"170\" y1=\"118\" x2=\"170\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"190\" y1=\"118\" x2=\"190\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"210\" y1=\"118\" x2=\"210\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"230\" y1=\"118\" x2=\"230\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"250\" y1=\"118\" x2=\"250\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><line x1=\"270\" y1=\"118\" x2=\"270\" y2=\"134\" stroke=\"#5b6b73\" stroke-width=\"2\"\/><path d=\"M60 112 H285\" stroke=\"#c9a227\" stroke-width=\"7\" stroke-linecap=\"round\"\/><path d=\"M285 112 C300 112 300 150 312 150\" fill=\"none\" stroke=\"#c9a227\" stroke-width=\"7\" stroke-linecap=\"round\"\/><circle cx=\"340\" cy=\"150\" r=\"26\" fill=\"#22333b\" stroke=\"#e8c37b\" stroke-width=\"2\"\/><text x=\"340\" y=\"155\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"16\" fill=\"#e8c37b\" font-weight=\"bold\">M<\/text><rect x=\"316\" y=\"176\" width=\"48\" height=\"14\" fill=\"#16262c\" stroke=\"#38c8e8\"\/><path d=\"M150 80 c-9.0 -12.6 3.6 -16.2 0 -19.8 c7.2 5.4 9.0 9.0 0 19.8\" fill=\"#ff9a3c\" opacity=\"0.95\"\/><text x=\"200\" y=\"216\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#e8c37b\" font-weight=\"normal\">tuy\u1ebfn c\u1ea5p b\u01a1m ch\u1eefa ch\u00e1y \/ qu\u1ea1t t\u0103ng \u00e1p<\/text><text x=\"200\" y=\"234\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">thang c\u00e1p th\u00e9p, k\u1eb9p th\u00e9p theo E-rating<\/text><\/svg><figcaption>Tuy\u1ebfn c\u1ea5p kh\u1ea9n c\u1ea5p: c\u00e1p, thang v\u00e0 k\u1eb9p ph\u1ea3i c\u00f9ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1.<\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"H\u1ea7m c\u00e1p\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\">H\u1ea7m c\u00e1p<\/text><rect x=\"90\" y=\"46\" width=\"220\" height=\"150\" fill=\"none\" stroke=\"#5b6b73\" stroke-width=\"4\"\/><line x1=\"90\" y1=\"196\" x2=\"310\" y2=\"196\" stroke=\"#e8c37b\" stroke-width=\"3\"\/><line x1=\"90\" y1=\"78\" x2=\"130\" y2=\"78\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><line x1=\"270\" y1=\"78\" x2=\"310\" y2=\"78\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><circle cx=\"100\" cy=\"70\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"276\" cy=\"70\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"112\" cy=\"70\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"288\" cy=\"70\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"124\" cy=\"70\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"300\" cy=\"70\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><line x1=\"90\" y1=\"108\" x2=\"130\" y2=\"108\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><line x1=\"270\" y1=\"108\" x2=\"310\" y2=\"108\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><circle cx=\"100\" cy=\"100\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"276\" cy=\"100\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"112\" cy=\"100\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"288\" cy=\"100\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"124\" cy=\"100\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"300\" cy=\"100\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><line x1=\"90\" y1=\"138\" x2=\"130\" y2=\"138\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><line x1=\"270\" y1=\"138\" x2=\"310\" y2=\"138\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><circle cx=\"100\" cy=\"130\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"276\" cy=\"130\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"112\" cy=\"130\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"288\" cy=\"130\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"124\" cy=\"130\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><circle cx=\"300\" cy=\"130\" r=\"6\" fill=\"#c9a227\" stroke=\"#0a1014\"\/><rect x=\"160\" y=\"150\" width=\"80\" height=\"46\" fill=\"#16262c\" stroke=\"#38c8e8\" stroke-dasharray=\"4 3\"\/><text x=\"200\" y=\"178\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#38c8e8\" font-weight=\"normal\">l\u1ed1i \u0111i<\/text><path d=\"M200 112 c-8.0 -11.200000000000001 3.2 -14.4 0 -17.6 c6.4 4.800000000000001 8.0 8.0 0 17.6\" fill=\"#ff777f\" opacity=\"0.95\"\/><text x=\"200\" y=\"222\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#e8c37b\" font-weight=\"normal\">h\u1ea7m c\u00e1p \/ tr\u1ee5c k\u1ef9 thu\u1eadt<\/text><text x=\"200\" y=\"240\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">t\u00ednh t\u1ea3i nhi\u1ec7t W\/m v\u00e0 th\u00f4ng gi\u00f3<\/text><\/svg><figcaption>Nhi\u1ec1u c\u00e1p 4\u00d7240 c\u00f9ng tuy\u1ebfn: t\u1ea3i nhi\u1ec7t v\u00e0 h\u1ec7 s\u1ed1 nh\u00f3m quy\u1ebft \u0111\u1ecbnh d\u00f2ng cho ph\u00e9p.<\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Xuy\u00ean v\u00e1ch ng\u0103n ch\u00e1y\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\">Xuy\u00ean v\u00e1ch ng\u0103n ch\u00e1y<\/text><rect x=\"180\" y=\"40\" width=\"40\" height=\"150\" fill=\"#3a4a52\" stroke=\"#5b6b73\"\/><line x1=\"180\" y1=\"62\" x2=\"220\" y2=\"50\" stroke=\"#5b6b73\" stroke-width=\"1\"\/><line x1=\"180\" y1=\"78\" x2=\"220\" y2=\"66\" stroke=\"#5b6b73\" stroke-width=\"1\"\/><line x1=\"180\" y1=\"94\" x2=\"220\" y2=\"82\" stroke=\"#5b6b73\" stroke-width=\"1\"\/><line x1=\"180\" y1=\"110\" x2=\"220\" y2=\"98\" stroke=\"#5b6b73\" stroke-width=\"1\"\/><line x1=\"180\" y1=\"126\" x2=\"220\" y2=\"114\" stroke=\"#5b6b73\" stroke-width=\"1\"\/><line x1=\"180\" y1=\"142\" x2=\"220\" y2=\"130\" stroke=\"#5b6b73\" stroke-width=\"1\"\/><line x1=\"180\" y1=\"158\" x2=\"220\" y2=\"146\" stroke=\"#5b6b73\" stroke-width=\"1\"\/><line x1=\"180\" y1=\"174\" x2=\"220\" y2=\"162\" stroke=\"#5b6b73\" stroke-width=\"1\"\/><line x1=\"180\" y1=\"190\" x2=\"220\" y2=\"178\" stroke=\"#5b6b73\" stroke-width=\"1\"\/><rect x=\"170\" y=\"100\" width=\"60\" height=\"30\" fill=\"#e8c37b\" opacity=\"0.35\" stroke=\"#e8c37b\"\/><path d=\"M40 115 H360\" stroke=\"#c9a227\" stroke-width=\"7\" stroke-linecap=\"round\"\/><path d=\"M110 168 c-11.0 -15.400000000000002 4.4 -19.8 0 -24.200000000000003 c8.8 6.6000000000000005 11.0 11.0 0 24.200000000000003\" fill=\"#ff9a3c\" opacity=\"0.95\"\/><path d=\"M140 168 c-8.0 -11.200000000000001 3.2 -14.4 0 -17.6 c6.4 4.800000000000001 8.0 8.0 0 17.6\" fill=\"#ffb454\" opacity=\"0.95\"\/><text x=\"200\" y=\"212\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#e8c37b\" font-weight=\"normal\">c\u00e1p xuy\u00ean v\u00e1ch ng\u0103n ch\u00e1y<\/text><text x=\"200\" y=\"232\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">b\u1ecbt k\u00edn ch\u1ecbu l\u1eeda \u0111\u1ed3ng b\u1ed9 v\u1edbi v\u00e1ch<\/text><\/svg><figcaption>\u0110\u01b0\u1eddng k\u00ednh l\u1edbn (\u00d8 kho\u1ea3ng 50 mm tr\u1edf l\u00ean) c\u1ea7n l\u1ed7 xuy\u00ean v\u00e0 v\u1eadt li\u1ec7u b\u1ecbt k\u00edn ph\u00f9 h\u1ee3p.<\/figcaption><\/figure><\/div><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:950px\"><caption>Ki\u1ec3m tra theo k\u1ecbch b\u1ea3n<\/caption><thead><tr><th>K\u1ecbch b\u1ea3n<\/th><th>T\u1ea3i ch\u00ednh<\/th><th>C\u1ea7n ki\u1ec3m tra<\/th><\/tr><\/thead><tbody><tr><td>Tuy\u1ebfn c\u1ea5p b\u01a1m ch\u1eefa ch\u00e1y, qu\u1ea1t t\u0103ng \u00e1p, h\u00fat kh\u00f3i<\/td><td>d\u00f2ng li\u00ean t\u1ee5c v\u00e0 d\u00f2ng kh\u1edfi \u0111\u1ed9ng; ph\u1ea3i c\u00f2n \u0111i\u1ec7n khi ch\u00e1y<\/td><td>s\u1ee5t \u00e1p kh\u1edfi \u0111\u1ed9ng; \u0111\u01b0\u1eddng \u0111i t\u00e1ch bi\u1ec7t; c\u1ea3 h\u1ec7 th\u1ed1ng (c\u00e1p, thang, k\u1eb9p, h\u1ed9p n\u1ed1i) \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 ch\u1ecbu l\u1eeda<sup class=\"ref-n\">[16]<\/sup>; h\u1ed3 s\u01a1 PCCC theo QCVN 06:2022\/BXD<sup class=\"ref-n\">[18]<\/sup><\/td><\/tr><tr><td>\u0110\u00e8n tho\u00e1t hi\u1ec3m, b\u00e1o ch\u00e1y, phun n\u01b0\u1edbc<\/td><td>ph\u1ee5 t\u1ea3i nh\u1ecf, y\u00eau c\u1ea7u cao v\u1ec1 \u0111\u1ed9 tin c\u1eady<\/td><td>tr\u1ee5c c\u1ea5p ch\u00ednh c\u00f3 th\u1ec3 d\u00f9ng 4\u00d7240; nh\u00e1nh nh\u1ecf d\u00f9ng ti\u1ebft di\u1ec7n nh\u1ecf h\u01a1n<sup class=\"ref-n\">[4]<\/sup><\/td><\/tr><tr><td>H\u1ea7m c\u00e1p, tr\u1ee5c k\u1ef9 thu\u1eadt<\/td><td>nhi\u1ec1u c\u00e1p c\u00f9ng tuy\u1ebfn, t\u1ea3i nhi\u1ec7t<\/td><td>t\u1ed5n hao 11 \u2013 46 W\/m m\u1ed7i c\u00e1p \u1edf 200 \u2013 400 A; h\u1ec7 s\u1ed1 nh\u00f3m; th\u00f4ng gi\u00f3; kh\u1ed1i l\u01b0\u1ee3ng thang<\/td><\/tr><tr><td>Xuy\u00ean v\u00e1ch ng\u0103n ch\u00e1y<\/td><td>c\u00e1p \u00d8 l\u1edbn \u0111i qua v\u00e1ch ch\u1ecbu l\u1eeda<\/td><td>v\u1eadt li\u1ec7u b\u1ecbt k\u00edn c\u00f9ng c\u1ea5p ch\u1ecbu l\u1eeda v\u1edbi v\u00e1ch; kho\u1ea3ng h\u1edf v\u00e0 b\u00e1n k\u00ednh u\u1ed1n tr\u01b0\u1edbc khi v\u00e0o v\u00e1ch<\/td><\/tr><tr><td>Khu v\u1ef1c ven bi\u1ec3n, \u1ea9m, mu\u1ed1i<\/td><td>\u0103n m\u00f2n \u0111\u1ea7u n\u1ed1i<\/td><td>\u0111\u1ea7u c\u1ed1t \u0111\u1ed3ng, ch\u1ed1ng \u1ea9m cho \u0111\u1ea7u c\u00e1p; v\u1ecf FR-PVC kh\u00f4ng ph\u1ea3i v\u1ecf ch\u1ecbu d\u1ea7u nh\u01b0 cao su CR<\/td><\/tr><tr><td>H\u1ea7m l\u00f2 v\u00e0 khu v\u1ef1c c\u00f3 kh\u00ed n\u1ed5<\/td><td>y\u00eau c\u1ea7u chuy\u00ean ng\u00e0nh<\/td><td>\u0111\u1ed1i chi\u1ebfu quy chu\u1ea9n ng\u00e0nh; CXV\/FR kh\u00f4ng thay cho c\u00e1p m\u1ecf v\u00e0 c\u00e1p cho v\u00f9ng n\u1ed5 theo ch\u1ee9ng nh\u1eadn t\u01b0\u01a1ng \u1ee9ng<\/td><\/tr><\/tbody><\/table><\/div><div class=\"warn\"><b>Gi\u1edbi h\u1ea1n.<\/b> \u0110\u00e2y l\u00e0 c\u00e1p h\u1ea1 \u00e1p 0,6\/1 kV. C\u1ea5p ngu\u1ed3n 3,6\/6 kV tr\u1edf l\u00ean ph\u1ea3i d\u00f9ng c\u00e1p trung \u00e1p. Th\u1eddi gian duy tr\u00ec m\u1ea1ch l\u00e0 h\u1eefu h\u1ea1n (90 ho\u1eb7c 180 ph\u00fat theo ph\u00e9p th\u1eed), v\u00e0 v\u1ecf FR-PVC ch\u1ee9a halogen. C\u00e1p ch\u1ec9 l\u00e0 m\u1ed9t m\u1eaft x\u00edch: n\u1ebfu k\u1eb9p nh\u1ef1a ch\u1ea3y ho\u1eb7c gi\u00e1 \u0111\u1ee1 s\u1eadp th\u00ec m\u1ea1ch v\u1eabn m\u1ea5t d\u00f9 c\u00e1p c\u00f2n nguy\u00ean<sup class=\"ref-n\">[16]<\/sup>.<\/div><\/section><section id=\"s9\"><h2>9. Ranh gi\u1edbi: tang cu\u1ed1n, x\u00edch d\u1eabn c\u00e1p, k\u00e9o l\u00ea<\/h2><p>Nhi\u1ec1u k\u1ef9 s\u01b0 c\u1ea3ng v\u00e0 m\u1ecf t\u00ecm c\u00e1p 4\u00d7240 cho c\u1ea3 tuy\u1ebfn t\u1eeb tr\u1ea1m \u0111i\u1ec7n \u0111\u1ebfn thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Ph\u1ea3i n\u00f3i r\u00f5: <b>CXV\/FR kh\u00f4ng d\u00f9ng cho c\u00e1c v\u1ecb tr\u00ed sau<\/b>. \u0110\u00e2y l\u00e0 c\u00e1p l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh<sup class=\"ref-n\">[2]<\/sup>, ru\u1ed9t c\u1ea5p 2 nhi\u1ec1u s\u1ee3i c\u1ee9ng, v\u1ecf FR-PVC; kh\u00f4ng ngu\u1ed3n c\u00f4ng khai n\u00e0o c\u00f4ng b\u1ed1 tu\u1ed5i th\u1ecd u\u1ed1n, l\u1ef1c k\u00e9o \u0111\u1ed9ng hay t\u1ed1c \u0111\u1ed9 cho lo\u1ea1i c\u00e1p n\u00e0y. Thi\u1ebfu d\u1eef li\u1ec7u th\u00ec kh\u00f4ng c\u00f3 c\u01a1 s\u1edf d\u00f9ng cho chuy\u1ec3n \u0111\u1ed9ng.<\/p><div class=\"imgcap\"><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Tang cu\u1ed1n\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\">Tang cu\u1ed1n<\/text><circle cx=\"150\" cy=\"125\" r=\"78\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"7\"\/><circle cx=\"150\" cy=\"125\" r=\"66\" fill=\"none\" stroke=\"#c9a227\" stroke-width=\"7\"\/><circle cx=\"150\" cy=\"125\" r=\"54\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"7\"\/><circle cx=\"150\" cy=\"125\" r=\"42\" fill=\"none\" stroke=\"#c9a227\" stroke-width=\"7\"\/><circle cx=\"150\" cy=\"125\" r=\"16\" fill=\"#22333b\" stroke=\"#38c8e8\" stroke-width=\"2\"\/><path d=\"M228 130 C280 160 330 176 385 180\" fill=\"none\" stroke=\"#c9a227\" stroke-width=\"7\" stroke-linecap=\"round\"\/><line x1=\"274\" y1=\"64\" x2=\"326\" y2=\"116\" stroke=\"#ff777f\" stroke-width=\"7\" stroke-linecap=\"round\"\/><line x1=\"274\" y1=\"116\" x2=\"326\" y2=\"64\" stroke=\"#ff777f\" stroke-width=\"7\" stroke-linecap=\"round\"\/><text x=\"200\" y=\"232\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#ff777f\" font-weight=\"normal\">cu\u1ed1n tang: kh\u00f4ng d\u00f9ng CXV\/FR<\/text><\/svg><figcaption>C\u1ea7n c\u00e1p tang cu\u1ed1n (N)SHT\u00d6U ho\u1eb7c PUR-HF theo chu tr\u00ecnh.<\/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\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\">X\u00edch d\u1eabn c\u00e1p<\/text><rect x=\"40\" y=\"72\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"40\" y=\"150\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"70\" y=\"72\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"70\" y=\"150\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"100\" y=\"72\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"100\" y=\"150\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"130\" y=\"72\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"130\" y=\"150\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"160\" y=\"72\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"160\" y=\"150\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"190\" y=\"72\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"190\" y=\"150\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"220\" y=\"72\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"220\" y=\"150\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"250\" y=\"72\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><rect x=\"250\" y=\"150\" width=\"26\" height=\"14\" fill=\"#22333b\" stroke=\"#38c8e8\"\/><path d=\"M266 79 A 40 40 0 0 1 266 157\" fill=\"none\" stroke=\"#38c8e8\" stroke-width=\"10\"\/><path d=\"M40 119 H270\" stroke=\"#c9a227\" stroke-width=\"7\"\/><line x1=\"304\" y1=\"92\" x2=\"356\" y2=\"144\" stroke=\"#ff777f\" stroke-width=\"7\" stroke-linecap=\"round\"\/><line x1=\"304\" y1=\"144\" x2=\"356\" y2=\"92\" stroke=\"#ff777f\" stroke-width=\"7\" stroke-linecap=\"round\"\/><text x=\"200\" y=\"200\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#ff777f\" font-weight=\"normal\">u\u1ed1n l\u1eb7p: ru\u1ed9t class 2, kh\u00f4ng thi\u1ebft k\u1ebf \u0111\u1ed9ng<\/text><text x=\"200\" y=\"232\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#9cc0cc\" font-weight=\"normal\">x\u00edch d\u1eabn c\u00e1p: d\u00f9ng c\u00e1p ru\u1ed9t c\u1ea5p 5<\/text><\/svg><figcaption>Kh\u00f4ng c\u00f3 s\u1ed1 li\u1ec7u c\u00f4ng khai v\u1ec1 tu\u1ed5i th\u1ecd u\u1ed1n c\u1ee7a CXV\/FR.<\/figcaption><\/figure><figure><svg viewBox=\"0 0 400 250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"K\u00e9o l\u00ea (trailing)\"><rect width=\"400\" height=\"250\" fill=\"#101a1e\"\/><text x=\"200\" y=\"22\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"14\" fill=\"#9cc0cc\" font-weight=\"normal\">K\u00e9o l\u00ea (trailing)<\/text><line x1=\"20\" y1=\"190\" x2=\"380\" y2=\"190\" stroke=\"#5b6b73\" stroke-width=\"3\"\/><rect x=\"40\" y=\"110\" width=\"90\" height=\"55\" rx=\"6\" fill=\"#22333b\" stroke=\"#e8c37b\"\/><rect x=\"34\" y=\"165\" width=\"102\" height=\"20\" rx=\"10\" fill=\"#3a4a52\"\/><path d=\"M130 160 C170 190 200 165 240 189 S320 172 350 188\" fill=\"none\" stroke=\"#c9a227\" stroke-width=\"7\" stroke-linecap=\"round\"\/><line x1=\"274\" y1=\"94\" x2=\"326\" y2=\"146\" stroke=\"#ff777f\" stroke-width=\"7\" stroke-linecap=\"round\"\/><line x1=\"274\" y1=\"146\" x2=\"326\" y2=\"94\" stroke=\"#ff777f\" stroke-width=\"7\" stroke-linecap=\"round\"\/><text x=\"200\" y=\"232\" text-anchor=\"middle\" font-family=\"Arial,Helvetica,sans-serif\" font-size=\"12\" fill=\"#ff777f\" font-weight=\"normal\">k\u00e9o l\u00ea: d\u00f9ng c\u00e1p cao su v\u1ecf CPE (NSSH\u00d6U-J)<\/text><\/svg><figcaption>V\u1ecf FR-PVC kh\u00f4ng thay \u0111\u01b0\u1ee3c v\u1ecf cao su ch\u1ecbu m\u00e0i m\u00f2n v\u00e0 va \u0111\u1eadp.<\/figcaption><\/figure><\/div><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:900px\"><caption>Ranh gi\u1edbi \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1p thay th\u1ebf<\/caption><thead><tr><th>V\u1ecb tr\u00ed<\/th><th>V\u00ec sao kh\u00f4ng d\u00f9ng CXV\/FR<\/th><th>H\u01b0\u1edbng thay th\u1ebf<\/th><\/tr><\/thead><tbody><tr><td>Tang cu\u1ed1n, tang l\u00f2 xo<\/td><td>u\u1ed1n l\u1eb7p v\u00e0 nhi\u1ec7t t\u00edch t\u1ee5 theo l\u1edbp cu\u1ed1n; h\u1ec7 s\u1ed1 d\u00f2ng theo l\u1edbp \u00e1p d\u1ee5ng cho c\u00e1p tang cu\u1ed1n<\/td><td>c\u00e1p tang cu\u1ed1n (N)SHT\u00d6U ho\u1eb7c Trommelflex PUR-HF theo chu tr\u00ecnh<sup class=\"ref-n\">[20]<\/sup><sup class=\"ref-n\">[21]<\/sup><\/td><\/tr><tr><td>X\u00edch d\u1eabn c\u00e1p<\/td><td>c\u1ea7n ru\u1ed9t c\u1ea5p 5 v\u00e0 k\u1ebft c\u1ea5u thi\u1ebft k\u1ebf cho u\u1ed1n chu k\u1ef3; c\u00e1p 4\u00d7240 n\u1eb7ng, b\u00e1n k\u00ednh u\u1ed1n l\u1edbn<\/td><td>c\u00e1p x\u00edch d\u1eabn chuy\u00ean d\u1ee5ng; x\u00e1c nh\u1eadn b\u00e1n k\u00ednh v\u00e0 tu\u1ed5i th\u1ecd theo h\u00e3ng x\u00edch<\/td><\/tr><tr><td>K\u00e9o l\u00ea tr\u00ean n\u1ec1n<\/td><td>v\u1ecf FR-PVC kh\u00f4ng thay \u0111\u01b0\u1ee3c v\u1ecf cao su ch\u1ecbu m\u00e0i m\u00f2n v\u00e0 va \u0111\u1eadp<\/td><td>NSSH\u00d6U-J (VDE 0250-812), l\u1ef1c k\u00e9o 15 N\/mm\u00b2, b\u00e1n k\u00ednh \u0111\u1ed9ng 10\u00d7D<sup class=\"ref-n\">[20]<\/sup><\/td><\/tr><\/tbody><\/table><\/div><\/section><section id=\"s10\"><h2>10. FeiChun: tuy\u1ebfn c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111o\u1ea1n di \u0111\u1ed9ng trong c\u00f9ng m\u1ed9t d\u1ef1 \u00e1n<\/h2><p>FeiChun (Anhui FeiChun Special Cable) c\u00f4ng b\u1ed1 c\u00e1c nh\u00f3m s\u1ea3n ph\u1ea9m c\u00e1p tang cu\u1ed1n, c\u00e1p x\u00edch d\u1eabn, c\u00e1p festoon, c\u00e1p c\u1ea9u STS v\u00e0 c\u00e1p m\u1ecf theo DIN VDE 0250, t\u1ee9c c\u00e1c c\u00e1p cao su ch\u1ecbu k\u00e9o v\u00e0 m\u00e0i m\u00f2n cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng. C\u00e1c b\u00e0i k\u1ef9 thu\u1eadt c\u1ee7a FeiChun v\u1ec1 h\u1ecd c\u00e1p n\u00e0y \u0111\u00e3 ph\u00e2n t\u00edch s\u1ed1 li\u1ec7u c\u00f4ng khai: NSSH\u00d6U-J v\u1edbi l\u1ef1c k\u00e9o 15 N\/mm\u00b2 v\u00e0 b\u00e1n k\u00ednh \u0111\u1ed9ng 10\u00d7D, (N)SHT\u00d6U \u0111\u1ebfn 20 N\/mm\u00b2, Trommelflex PUR-HF \u0111\u1ebfn 25 N\/mm\u00b2<sup class=\"ref-n\">[20]<\/sup>. B\u00e0i n\u00e0y b\u1ed5 sung n\u1eeda c\u00f2n l\u1ea1i c\u1ee7a b\u00e0i to\u00e1n: tuy\u1ebfn c\u1ed1 \u0111\u1ecbnh gi\u1eef \u0111i\u1ec7n khi ch\u00e1y.<\/p><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:900px\"><caption>B\u1ea3n \u0111\u1ed3 ch\u1ecdn c\u00e1p trong m\u1ed9t d\u1ef1 \u00e1n c\u1ea3ng ho\u1eb7c m\u1ecf<\/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>Tr\u1ea1m \u0111i\u1ec7n \u0111\u1ebfn t\u1ee7 ph\u00e2n ph\u1ed1i, b\u01a1m PCCC, h\u1ea7m c\u00e1p<\/td><td>CXV\/FR 0,6\/1 kV 4\u00d7240 (b\u00e0i n\u00e0y)<\/td><td>–<\/td><\/tr><tr><td>Tuy\u1ebfn c\u1ed1 \u0111\u1ecbnh th\u01b0\u1eddng 4\u00d7150, 4\u00d7240, \u0111\u1ed3ng ho\u1eb7c nh\u00f4m<\/td><td>Cu\/XLPE\/PVC ho\u1eb7c Al\/XLPE\/PVC<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/cap-06-1-kv-cu-xlpe-pvc-va-al-xlpe-pvc-4x150-4x240-mm%c2%b2-chon-dong-hay-nhom-cho-tuyen-cap-dien-tai-cang\/\" target=\"_blank\" rel=\"noopener\">C\u00e1p 0,6\/1 kV Cu\/Al XLPE\/PVC 4\u00d7150, 4\u00d7240<\/a><sup class=\"ref-n\">[19]<\/sup><\/td><\/tr><tr><td>\u0110o\u1ea1n k\u00e9o l\u00ea, thi\u1ebft b\u1ecb m\u1ecf<\/td><td>NSSH\u00d6U-J theo DIN VDE 0250-812<\/td><td><a href=\"https:\/\/feichuncables.com\/blog\/nsshou-j-3x2401x150-06-1-kv-cap-cao-su-hang-nang-theo-din-vde-0250-812-con-so-nao-quyet-dinh-khi-chon-cho-tang-cuon-keo-le-va-thiet-bi-cang\/\" target=\"_blank\" rel=\"noopener\">NSSH\u00d6U-J 3\u00d7240+1\u00d7150 0,6\/1 kV<\/a><sup class=\"ref-n\">[20]<\/sup><\/td><\/tr><tr><td>\u0110o\u1ea1n tang cu\u1ed1n, festoon, spreader<\/td><td>(N)SHT\u00d6U ho\u1eb7c PUR-HF<\/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 4\u00d735 mm\u00b2<\/a><sup class=\"ref-n\">[21]<\/sup><\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>V\u1ec1 c\u00f4ng ngh\u1ec7 \u0111\u1ed9c quy\u1ec1n.<\/b> C\u1ea5u t\u1ea1o ri\u00eang c\u1ee7a t\u1eebng h\u1ecd c\u00e1p FeiChun (h\u1ee3p ch\u1ea5t v\u1ecf, k\u1ebft c\u1ea5u ru\u1ed9t, l\u1edbp b\u1ec7n \u0111\u1ee1) l\u00e0 d\u1eef li\u1ec7u nh\u00e0 m\u00e1y v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c suy \u0111o\u00e1n trong b\u00e0i n\u00e0y. V\u1edbi CXV\/FR 4\u00d7240, h\u00e3y y\u00eau c\u1ea7u b\u1ea3ng c\u1ea5u t\u1ea1o, bi\u00ean b\u1ea3n th\u1eed v\u00e0 ch\u1ee9ng nh\u1eadn \u0111\u00fang m\u00e3.<\/div><\/section><section id=\"s11\"><h2>11. D\u1eef li\u1ec7u c\u1ea7n y\u00eau c\u1ea7u khi \u0111\u1eb7t h\u00e0ng<\/h2><div class=\"scroll\"><table class=\"cmp\" style=\"min-width:800px\"><caption>Danh m\u1ee5c y\u00eau c\u1ea7u<\/caption><thead><tr><th>D\u1eef li\u1ec7u<\/th><th>V\u00ec sao c\u1ea7n<\/th><\/tr><\/thead><tbody><tr><td>B\u1ea3ng k\u00edch th\u01b0\u1edbc, kh\u1ed1i l\u01b0\u1ee3ng, \u0111i\u1ec7n tr\u1edf, d\u00f2ng cho b\u1ea3n CXV\/FR 4\u00d7240 c\u1ee7a FeiChun<\/td><td>t\u00ednh b\u00e1n k\u00ednh u\u1ed1n, t\u1ea3i thang, s\u1ee5t \u00e1p, d\u00f2ng cho ph\u00e9p<\/td><\/tr><tr><td>Bi\u00ean b\u1ea3n th\u1eed IEC 60331-1 v\u00e0\/ho\u1eb7c -21 tr\u00ean c\u00e1p th\u00e0nh ph\u1ea9m: nhi\u1ec7t \u0111\u1ed9, th\u1eddi gian, \u0111i\u1ec7n \u00e1p th\u1eed, \u0111\u01b0\u1eddng k\u00ednh m\u1eabu, k\u1ebft qu\u1ea3<\/td><td>x\u00e1c nh\u1eadn duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n \u0111\u00fang lo\u1ea1i ph\u00e9p th\u1eed m\u00e0 d\u1ef1 \u00e1n y\u00eau c\u1ea7u<\/td><\/tr><tr><td>Bi\u00ean b\u1ea3n BS 6387 lo\u1ea1i C, W, Z n\u1ebfu h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf y\u00eau c\u1ea7u<\/td><td>n\u01b0\u1edbc ch\u1eefa ch\u00e1y v\u00e0 va \u0111\u1eadp l\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eadt khi ch\u00e1y<\/td><\/tr><tr><td>Bi\u00ean b\u1ea3n IEC 60332-3-24 lo\u1ea1i C (b\u00f3 c\u00e1p)<\/td><td>ch\u1ed1ng ch\u00e1y lan tr\u00ean thang c\u00e1p nhi\u1ec1u c\u00e1p<\/td><\/tr><tr><td>B\u1ea3ng c\u1ea5u t\u1ea1o: lo\u1ea1i mica, s\u1ed1 l\u1edbp, n\u1ec1n, v\u1eadt li\u1ec7u ch\u00e8n v\u00e0 v\u1ecf<\/td><td>so s\u00e1nh gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p<\/td><\/tr><tr><td>Y\u00eau c\u1ea7u v\u1ec1 kh\u00f3i v\u00e0 halogen (FR-PVC hay LSZH)<\/td><td>h\u1ea7m k\u00edn v\u00e0 kh\u00f4ng gian \u0111\u00f4ng ng\u01b0\u1eddi<\/td><\/tr><tr><td>Bi\u00ean b\u1ea3n th\u1eed \u0111i\u1ec7n \u00e1p 3,5 kV v\u00e0 \u0111i\u1ec7n tr\u1edf ru\u1ed9t theo l\u00f4<\/td><td>nghi\u1ec7m thu<\/td><\/tr><tr><td>Lo\u1ea1i k\u1eb9p, gi\u00e1 \u0111\u1ee1, \u0111\u1ea7u c\u1ed1t, h\u1ed9p n\u1ed1i v\u00e0 b\u1ecbt k\u00edn xuy\u00ean v\u00e1ch theo c\u1ea5p ch\u1ecbu l\u1eeda c\u1ee7a h\u1ec7 th\u1ed1ng<\/td><td>m\u1ea1ch ch\u1ec9 duy tr\u00ec khi c\u1ea3 h\u1ec7 th\u1ed1ng ch\u1ecbu l\u1eeda<\/td><\/tr><tr><td>Ch\u1ee9ng nh\u1eadn theo m\u00e3 c\u00e1p, ph\u1ea1m vi v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c<\/td><td>h\u1ed3 s\u01a1 d\u1ef1 \u00e1n<\/td><\/tr><\/tbody><\/table><\/div><\/section><section id=\"s12\"><h2>12. Ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun<\/h2><div class=\"certbanner\"><h3>FeiChun Cable: b\u1ed9 ch\u1ee9ng nh\u1eadn \u0111\u1ea7y \u0111\u1ee7<\/h3><p>Theo th\u00f4ng tin c\u1ee7a FeiChun, h\u1ec7 th\u1ed1ng c\u00e1p c\u1ee7a c\u00f4ng ty \u0111\u00e1p \u1ee9ng <strong>CE, UKCA, VDE, EAC, ATEX, IECEx<\/strong> v\u00e0 c\u00f3 <strong>ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u00e1y c\u1ee7a Nga<\/strong>. B\u1ed9 h\u1ed3 s\u01a1 n\u00e0y gi\u00fap r\u00fat ng\u1eafn nghi\u1ec7m thu cho d\u1ef1 \u00e1n c\u1ea3ng, m\u1ecf v\u00e0 c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t khi c\u00f9ng m\u1ed9t ch\u1ee7 \u0111\u1ea7u t\u01b0 mua c\u1ea3 c\u00e1p c\u1ed1 \u0111\u1ecbnh v\u00e0 c\u00e1p di \u0111\u1ed9ng.<sup class=\"ref-n\">[22]<\/sup><\/p><\/div><div class=\"certgrid\"><div class=\"certchip\">CE – Li\u00ean minh ch\u00e2u \u00c2u<\/div><div class=\"certchip\">UKCA – Anh<\/div><div class=\"certchip\">VDE – ti\u00eau chu\u1ea9n \u0110\u1ee9c<\/div><div class=\"certchip\">EAC – Nga v\u00e0 EAEU<\/div><div class=\"certchip\">ATEX – v\u00f9ng n\u1ed5<\/div><div class=\"certchip\">IECEx – s\u01a1 \u0111\u1ed3 qu\u1ed1c t\u1ebf<\/div><div class=\"certchip\">Ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u00e1y Nga<\/div><\/div><div class=\"warn\"><b>C\u00e1ch d\u00f9ng ch\u1ee9ng nh\u1eadn \u0111\u00fang.<\/b> H\u00e3y xin b\u1ea3n sao v\u00e0 \u0111\u1ed1i chi\u1ebfu m\u00e3 c\u00e1p, d\u1ea3i \u0111i\u1ec7n \u00e1p, ti\u1ebft di\u1ec7n, ph\u1ea1m vi v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c; ch\u1ee9ng nh\u1eadn c\u1ee7a m\u1ed9t h\u1ecd c\u00e1p kh\u00f4ng t\u1ef1 \u0111\u1ed9ng \u00e1p d\u1ee5ng cho m\u1ecdi m\u00e3 kh\u00e1c. V\u1edbi ATEX v\u00e0 IECEx c\u1ea7n l\u00e0m r\u00f5 ch\u1ee9ng nh\u1eadn \u00e1p d\u1ee5ng cho c\u00e1p, h\u1ec7 th\u1ed1ng c\u00e1p hay \u0111\u1ea7u v\u00e0o c\u00e1p. V\u1edbi CXV\/FR \u0111\u1eb7t trong nh\u00e0 v\u00e0 h\u1ea7m kh\u00f4ng c\u00f3 kh\u00ed n\u1ed5, h\u1ed3 s\u01a1 quy\u1ebft \u0111\u1ecbnh l\u00e0 bi\u00ean b\u1ea3n th\u1eed ch\u00e1y theo m\u1ee5c 5 cho \u0111\u00fang m\u00e3 4\u00d7240.<\/div><div class=\"contact\"><div><strong>FeiChun Cable \/ \u98de\u7eaf\u7535\u7f06<\/strong><br>Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 d\u1ef1 \u00e1n: <a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a><\/div><div><strong>\u0110i\u1ec7n tho\u1ea1i<\/strong><br><a href=\"tel:+8613855123218\">+86 13855123218<\/a><\/div><\/div><\/section><section id=\"faq\"><h2>H\u1ecfi \u0111\u00e1p<\/h2><h3>CXV\/FR 0,6\/1 kV 4\u00d7240 l\u00e0 lo\u1ea1i c\u00e1p g\u00ec?<\/h3><p>C\u00e1p l\u1ef1c h\u1ea1 \u00e1p 0,6\/1 kV c\u00f3 t\u00ednh n\u0103ng ch\u1ed1ng ch\u00e1y (duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n khi ch\u00e1y): ru\u1ed9t \u0111\u1ed3ng tr\u00f2n xo\u1eafn \u00e9p ch\u1eb7t c\u1ea5p 2, b\u0103ng mica, c\u00e1ch \u0111i\u1ec7n XLPE, v\u1ecf FR-PVC. M\u00e3 4\u00d7240 g\u1ed3m b\u1ed1n l\u00f5i c\u00f9ng 240 mm\u00b2 (ba pha v\u00e0 trung t\u00ednh \u0111\u1ee7 c\u1ee1, t\u1ed5ng 960 mm\u00b2 \u0111\u1ed3ng). \u0110\u00e2y l\u00e0 c\u00e1p l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh.<\/p><h3>C\u00e1p ch\u1ed1ng ch\u00e1y kh\u00e1c c\u00e1p ch\u1eadm ch\u00e1y \u1edf \u0111i\u1ec3m n\u00e0o?<\/h3><p>Ch\u1eadm ch\u00e1y (flame retardant) ch\u1ec9 h\u1ea1n ch\u1ebf lan truy\u1ec1n ng\u1ecdn l\u1eeda, c\u00f2n ch\u1ed1ng ch\u00e1y (fire-resistant) ph\u1ea3i ti\u1ebfp t\u1ee5c d\u1eabn \u0111i\u1ec7n trong l\u1eeda theo ph\u00e9p th\u1eed duy tr\u00ec m\u1ea1ch \u0111i\u1ec7n nh\u01b0 IEC 60331 ho\u1eb7c BS 6387. C\u00e1p CXV\/FR c\u00f3 c\u1ea3 hai: b\u0103ng mica gi\u1eef m\u1ea1ch, v\u1ecf FR-PVC h\u1ea1n ch\u1ebf ch\u00e1y lan.<\/p><h3>C\u00e1p ch\u1ecbu l\u1eeda \u0111\u01b0\u1ee3c bao l\u00e2u?<\/h3><p>Catalog c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t CXV\/FR ghi 750 \u00b0C trong 90 ph\u00fat theo TCVN\/IEC, v\u00e0 950 \u00b0C trong 180 ph\u00fat khi th\u1eed th\u00eam theo BS 6387. Con s\u1ed1 \u00e1p d\u1ee5ng cho m\u00e3 c\u1ee7a FeiChun ph\u1ea3i l\u1ea5y t\u1eeb bi\u00ean b\u1ea3n th\u1eed tr\u00ean c\u00e1p th\u00e0nh ph\u1ea9m, k\u00e8m \u0111i\u1ec7n \u00e1p th\u1eed v\u00e0 k\u1ebft qu\u1ea3.<\/p><h3>CXV\/FR 4\u00d7240 c\u00f3 d\u00f9ng \u0111\u01b0\u1ee3c cho tang cu\u1ed1n, x\u00edch d\u1eabn c\u00e1p hay k\u00e9o l\u00ea kh\u00f4ng?<\/h3><p>Kh\u00f4ng. \u0110\u00e2y l\u00e0 c\u00e1p l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh, ru\u1ed9t c\u1ea5p 2 v\u00e0 v\u1ecf FR-PVC; ngu\u1ed3n c\u00f4ng khai kh\u00f4ng c\u00f4ng b\u1ed1 tu\u1ed5i th\u1ecd u\u1ed1n hay l\u1ef1c k\u00e9o \u0111\u1ed9ng c\u1ee7a lo\u1ea1i c\u00e1p n\u00e0y. \u0110o\u1ea1n di \u0111\u1ed9ng ph\u1ea3i d\u00f9ng c\u00e1p cao su ho\u1eb7c PUR c\u00f3 ru\u1ed9t c\u1ea5p 5, v\u00ed d\u1ee5 NSSH\u00d6U-J, (N)SHT\u00d6U ho\u1eb7c Trommelflex.<\/p><h3>\u0110i\u1ec7n tr\u1edf, s\u1ee5t \u00e1p v\u00e0 t\u1ed5n hao c\u1ee7a 4\u00d7240 \u0111\u1ed3ng?<\/h3><p>\u0110i\u1ec7n tr\u1edf ru\u1ed9t 0,0754 \u03a9\/km \u1edf 20 \u00b0C, kho\u1ea3ng 0,096 \u03a9\/km \u1edf 90 \u00b0C. V\u1edbi 400 V, 200 A, 200 m s\u1ee5t \u00e1p kho\u1ea3ng 8,6 V (2,1 %); t\u1ed5n hao ba pha kho\u1ea3ng 11,5 W\/m \u1edf 200 A v\u00e0 26 W\/m \u1edf 300 A.<\/p><h3>D\u00f2ng ng\u1eafn m\u1ea1ch ch\u1ecbu \u0111\u01b0\u1ee3c?<\/h3><p>Theo k\u00b7S\/\u221at v\u1edbi k = 143 cho \u0111\u1ed3ng-XLPE, m\u1ed7i l\u00f5i 240 mm\u00b2 ch\u1ecbu kho\u1ea3ng 34,3 kA trong 1 s (48,5 kA trong 0,5 s, 19,8 kA trong 3 s), trong gi\u1edbi h\u1ea1n 250 \u00b0C v\u00e0 5 s.<\/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. H\u00e3y y\u00eau c\u1ea7u b\u1ea3n sao v\u00e0 \u0111\u1ed1i chi\u1ebfu \u0111\u00fang m\u00e3 c\u00e1p, ti\u1ebft di\u1ec7n, ph\u1ea1m vi v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c.<\/p><\/section><section id=\"src\"><h2>Ngu\u1ed3n<\/h2><ol class=\"refs\"><li>Cadisun FRN-CXV Cu\/Mica\/XLPE\/FR-PVC 0,6\/1 kV (TCVN 5935-1\/IEC 60502-1, IEC 60331-21, IEC 60332-3-24, BS 6387; 750 \u00b0C\/90 ph\u00fat, 950 \u00b0C\/180 ph\u00fat) <a href=\"https:\/\/staphone.com.vn\/day-cap-tin-hieu-bao-chay\/cap-chong-chay-frn-cxv-2x2-5-cadisun-cu-mica-xlpe-fr-pvc-0-6-1kv\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>TTT Cable, Fire resistant cables Cu\/Mica\/XLPE\/FR-PVC 0,6\/1 kV (l\u1edbp c\u1ea5u t\u1ea1o, th\u1eed 3,5 kV\/5 ph\u00fat, 90 \u00b0C, 250 \u00b0C\/5 s, l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh, IEC 60228) <a href=\"https:\/\/tttcable.com\/en\/product\/fire-resistant-cables-copper-conductor-mica-tape-xlpe-insulation-fr-pvc-sheath-06-1kv\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>CADIVI, CXV\/FR 1\u00d7240 \u0111\u1ebfn 4\u00d7240 0,6\/1 kV (ru\u1ed9t tr\u00f2n xo\u1eafn \u00e9p ch\u1eb7t, b\u0103ng mica, XLPE, v\u1ecf FR-PVC, 90\/250 \u00b0C) <a href=\"https:\/\/cadivi-vn.vn\/san-pham\/cap-cadivi-cxv-fr-1x240-2x240-3x240-4x240-06-1kv\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>CADIVI, CXV\/FR 1\u00d74 \u0111\u1ebfn 4\u00d74 (\u1ee9ng d\u1ee5ng: \u0111i\u1ec7n d\u1ef1 ph\u00f2ng, \u0111\u00e8n tho\u00e1t hi\u1ec3m, b\u00e1o ch\u00e1y, phun n\u01b0\u1edbc ch\u1eefa ch\u00e1y, h\u00fat kh\u00f3i) <a href=\"https:\/\/cadivi-vn.vn\/san-pham\/cap-cadivi-cxv-fr-1x4-2x4-3x4-4x4\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>CADIVI CXV 240 (nh\u1eadn bi\u1ebft l\u00f5i b\u1eb1ng b\u0103ng m\u00e0u, \u0111i\u1ec7n \u00e1p th\u1eed 3,5 kV\/5 ph\u00fat, l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh) <a href=\"https:\/\/codienhaiau.com\/product\/cap-dien-cadivi-cxv-240-0-6-1kv\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Eland Cables, FAQ cable fire performance tests (IEC 60331-1: 830 \u00b0C c\u00f3 va \u0111\u1eadp, \u00d8 ngo\u00e0i > 20 mm; -11: thi\u1ebft b\u1ecb 750 \u00b0C; -21: c\u00e1p \u0111\u1ebfn 0,6\/1 kV) <a href=\"https:\/\/www.elandcables.com\/the-cable-lab\/faqs\/faq-what-are-fire-performance-tests\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Keystone Cable, Fire resistant test standards explained (IEC 60331-21: 750 \u00b0C\/90 ph\u00fat; BS 6387 lo\u1ea1i C, W, Z) <a href=\"https:\/\/blog.keystone-cable.com\/fire-resistant-test-standards-explained\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>IEC, IEC 60332-3-24:2018, lo\u1ea1i C (1,5 l\/m v\u1eadt li\u1ec7u phi kim, l\u1eeda 20 ph\u00fat) <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/32826\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Sikabel, Fire performance tests (bu\u1ed3ng th\u1eed b\u00f3 c\u00e1p; \u0111\u1ea1t khi ph\u1ea7n ch\u00e1y x\u00e9m kh\u00f4ng v\u01b0\u1ee3t 2,5 m) <a href=\"https:\/\/www.sikabel.com\/pdf.php?file=flam_retardant\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>HighMica, Fire-resistant cable mica tape (phlogopite 750\u2013830 \u00b0C; mica t\u1ed5ng h\u1ee3p 950\u20131000 \u00b0C; n\u1ec1n th\u1ee7y tinh, t\u1ea9m silicone) <a href=\"https:\/\/highmica.com\/products\/mica-tape\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Prysmian, Fire resistant cable (b\u0103ng mica tr\u00ean n\u1ec1n v\u1ea3i th\u1ee7y tinh, c\u1ea5u h\u00ecnh \u201cmica sandwich\u201d, silicone g\u1ed1m h\u00f3a 600\u2013900 \u00b0C) – t\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf <a href=\"https:\/\/www.freepatentsonline.com\/y2018\/0033522.html\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Auki Mica, Mica tape wrapping for protection (l\u1edbp h\u1eefu c\u01a1 ch\u00e1y h\u1ebft, b\u0103ng mica c\u00f2n l\u1ea1i; n\u1ec1n th\u1ee7y tinh ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng rung) <a href=\"https:\/\/www.aukimica.com\/application-of-fire-resistant-cable-mica-tape-wrapping-for-protection\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Yuefeng Mica, Fire-resistant cable mica tape (ch\u1ed1ng ch\u00e1y kh\u00e1c ch\u1eadm ch\u00e1y; phlogopite) <a href=\"https:\/\/en.pjyfym.com\/blog\/fire-resistant-cable-mica-tape.html\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>Highland Refractory, Mica paper for fire-resistant cable (y\u00eau c\u1ea7u b\u00e1o c\u00e1o th\u1eed tr\u00ean c\u00e1p th\u00e0nh ph\u1ea9m, kh\u00f4ng d\u00f9ng ch\u1ee9ng ch\u1ec9 chung c\u1ee7a gi\u1ea5y mica) <a href=\"https:\/\/www.highlandrefractory.com\/mica-paper-for-fire-resistant-cable-motor-insulation-grade-thickness-bonding-guide.html\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>CPRI Journal, Circuit integrity assessment of fire-resistant cables (\u0111i\u1ec7n \u00e1p th\u1eed b\u1eb1ng \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh; vai tr\u00f2 c\u1ee7a c\u1eb7n c\u00e1ch \u0111i\u1ec7n khi va \u0111\u1eadp) <a href=\"https:\/\/cprijournal.in\/index.php\/pr\/article\/download\/1113\/661\/711\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>USPTO 8822826, Circuit integrity (kh\u00e1i ni\u1ec7m to\u00e0n h\u1ec7 th\u1ed1ng: c\u00e1p c\u00f9ng k\u1eb9p, gi\u00e1 \u0111\u1ee1, h\u1ed9p n\u1ed1i; k\u00fd hi\u1ec7u FE\/E theo ph\u00fat) – t\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf <a href=\"https:\/\/image-ppubs.uspto.gov\/dirsearch-public\/print\/downloadPdf\/8822826\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>USPTO 11956865 (IEC 60754-1: kh\u00ed axit halogen; IEC 61034: \u0111\u1ed9 truy\u1ec1n s\u00e1ng t\u1ed1i thi\u1ec3u 60 %) – t\u00e0i li\u1ec7u s\u00e1ng ch\u1ebf <a href=\"https:\/\/image-ppubs.uspto.gov\/dirsearch-public\/print\/downloadPdf\/11956865\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>QCVN 06:2022\/BXD An to\u00e0n ch\u00e1y cho nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh (k\u00e8m S\u1eeda \u0111\u1ed5i 1:2023) <a href=\"https:\/\/luatvietnam.vn\/xay-dung\/quy-chuan-viet-nam-qcvn-06-2022-bxd-237271-d3.html\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun, C\u00e1p 0,6\/1 kV Cu\/XLPE\/PVC 4\u00d7150, 4\u00d7240 (\u00d8 51,1 mm v\u00e0 9 620 kg\/km cho Cu 4\u00d7240 kh\u00f4ng ch\u1ed1ng ch\u00e1y, 15\u00d7D; Nexans 546\/375 A; k = 143) <a href=\"https:\/\/feichuncables.com\/blog\/cap-06-1-kv-cu-xlpe-pvc-va-al-xlpe-pvc-4x150-4x240-mm%c2%b2-chon-dong-hay-nhom-cho-tuyen-cap-dien-tai-cang\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun, NSSH\u00d6U-J 3\u00d7240+1\u00d7150 0,6\/1 kV (l\u1ef1c k\u00e9o 15 N\/mm\u00b2, 10\u00d7D; so s\u00e1nh (N)SHT\u00d6U 20 N\/mm\u00b2, PUR-HF 25 N\/mm\u00b2) <a href=\"https:\/\/feichuncables.com\/blog\/nsshou-j-3x2401x150-06-1-kv-cap-cao-su-hang-nang-theo-din-vde-0250-812-con-so-nao-quyet-dinh-khi-chon-cho-tang-cuon-keo-le-va-thiet-bi-cang\/\" target=\"_blank\" rel=\"noopener nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun, (N)SHT\u00d6U \/ NSHTOEU-J 0,6\/1 kV 4\u00d735 mm\u00b2 (c\u00e1p tang cu\u1ed1n h\u1ea1 \u00e1p cho c\u1ea9u c\u1ea3ng, festoon, spreader) <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 nofollow\">[li\u00ean k\u1ebft]<\/a><\/li><li>FeiChun Cable: th\u00f4ng tin v\u1ec1 ch\u1ee9ng nh\u1eadn c\u1ee7a c\u00f4ng ty.<\/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.<\/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\">CXV\/FR 0,6\/1 kV 4\u00d7240 mm\u00b2 – b\u00e0i k\u1ef9 thu\u1eadt, c\u1eadp nh\u1eadt 30\/9\/2026.<\/p><\/div><\/footer><\/body><\/html>\n","protected":false},"excerpt":{"rendered":"B\u00e0i vi\u1ebft ph\u00e2n t\u00edch c\u1ea5u t\u1ea1o c\u00e1p ch\u1ed1ng ch\u00e1y Cu\/Mica\/XLPE\/FR-PVC, \u0111\u1ecdc \u0111\u00fang c\u00e1c ph\u00e9p th\u1eed IEC 60331, BS 6387 v\u00e0 IEC 60332-3-24, ki\u1ec3m tra b\u1eb1ng t\u00ednh to\u00e1n c\u1ee1 4\u00d7240 mm\u00b2 (\u0111i\u1ec7n tr\u1edf, s\u1ee5t \u00e1p, t\u1ed5n hao, ng\u1eafn m\u1ea1ch, b\u00e1n k\u00ednh u\u1ed1n, l\u1ef1c k\u00e9o), ph\u00e2n \u0111\u1ecbnh ranh gi\u1edbi v\u1edbi c\u00e1p cao su di \u0111\u1ed9ng d\u00f9ng cho tang cu\u1ed1n, x\u00edch d\u1eabn c\u00e1p v\u00e0 k\u00e9o l\u00ea, k\u00e8m danh m\u1ee5c h\u1ed3 s\u01a1 c\u1ea7n y\u00eau c\u1ea7u v\u00e0 b\u1ed9 ch\u1ee9ng nh\u1eadn c\u1ee7a FeiChun.","protected":false},"author":1,"featured_media":77971,"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":[66],"tags":[],"class_list":["post-77970","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/77970","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=77970"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/77970\/revisions"}],"predecessor-version":[{"id":77973,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/77970\/revisions\/77973"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/77971"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=77970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=77970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=77970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":77970,"date":"2026-09-30T10:43:06","date_gmt":"2026-09-30T02:43:06","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=77970"},"modified":"2026-09-30T10:43:12","modified_gmt":"2026-09-30T02:43:12","slug":"cxv-fr-06-1-kv-4x240-mm%c2%b2-cap-chong-chay-ruot-dong-bang-mica-cach-dien-xlpe-con-so-nao-quyet-dinh-khi-chon-cho-bom-pccc-ham-cap-va-tuyen-cap-nguon-khan-cap-tai-cang","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/cxv-fr-06-1-kv-4x240-mm%c2%b2-cap-chong-chay-ruot-dong-bang-mica-cach-dien-xlpe-con-so-nao-quyet-dinh-khi-chon-cho-bom-pccc-ham-cap-va-tuyen-cap-nguon-khan-cap-tai-cang\/","title":{"rendered":"CXV\/FR 0,6\/1 kV 4\u00d7240 mm\u00b2: c\u00e1p ch\u1ed1ng ch\u00e1y ru\u1ed9t \u0111\u1ed3ng, b\u0103ng mica, c\u00e1ch \u0111i\u1ec7n XLPE – con s\u1ed1 n\u00e0o quy\u1ebft \u0111\u1ecbnh khi ch\u1ecdn cho b\u01a1m PCCC, h\u1ea7m c\u00e1p v\u00e0 tuy\u1ebfn c\u1ea5p ngu\u1ed3n kh\u1ea9n c\u1ea5p t\u1ea1i c\u1ea3ng"},"content":{"rendered":"\n