{"id":18973,"date":"2026-06-16T09:36:43","date_gmt":"2026-06-16T01:36:43","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=18973"},"modified":"2026-06-16T09:36:46","modified_gmt":"2026-06-16T01:36:46","slug":"cap-cuon-reelingso-tay-ky-thuat","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/cap-cuon-reelingso-tay-ky-thuat\/","title":{"rendered":"C\u00e1p Cu\u1ed9n (Reeling)S\u1ed5 tay K\u1ef9 thu\u1eadt"},"content":{"rendered":"\n<!DOCTYPE html>\n<html lang=\"vi\">\n<head>\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<title>S\u1ed5 tay K\u1ef9 thu\u1eadt C\u00e1p Cu\u1ed9n (Reeling) FeiChun \u00b7 L\u1eafp \u0111\u1eb7t &#038; \u0110i\u1ec7n<\/title>\n<style>\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Noto+Serif:ital,wght@0,400;0,600;0,700;0,900;1,400&family=Noto+Sans:wght@300;400;500;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');\n\n  :root{\n    --ink:#10171f;--ink-soft:#37474F;--paper:#f3efe6;--paper-warm:#ece6d8;--line:#cdc4b0;\n    --al-silver:#8c97a3;--al-deep:#5a6570;--ce-amber:#c8521e;--ce-glow:#e07b2c;\n    --crystal:#1f6f6b;--crystal-deep:#134a47;--copper:#a85432;\n    --std:#2e7d4f;--std-bg:#e6f2ea;--calc:#b06a1a;--calc-bg:#fbf0dd;\n    --warn:#b3402a;--warn-bg:#fbeae5;--ok:#2e7d4f;--ok-bg:#e6f2ea;\n    --gold:#b8860b;--green-fc:#1B5E20;--green-accent:#4CAF50;--gold-fc:#FFB300;--charcoal:#263238;\n  }\n  *{box-sizing:border-box;margin:0;padding:0;}\n  html{scroll-behavior:smooth;}\n  body{font-family:'Noto Sans',sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;position:relative;overflow-x:hidden;}\n  body::before{content:\"FEICHUN CABLES\";position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-32deg);font-family:'Noto Serif',serif;font-weight:900;font-size:clamp(2.5rem,8vw,6rem);color:rgba(90,101,112,0.035);white-space:nowrap;pointer-events:none;z-index:0;letter-spacing:0.1em;}\n  .wrap{position:relative;z-index:1;}\n\n  .brandbar{display:flex;align-items:stretch;background:var(--charcoal);border-bottom:3px solid var(--gold-fc);}\n  .brandbar .green-edge{width:7px;background:var(--green-fc);border-right:2px solid var(--green-accent);}\n  .brandbar .bar-inner{flex:1;display:flex;justify-content:space-between;align-items:center;padding:14px clamp(18px,4vw,46px);flex-wrap:wrap;gap:10px;}\n  .brandbar .logo{font-family:'Noto Serif',serif;font-weight:700;font-size:clamp(1.05rem,2.4vw,1.5rem);color:#fff;letter-spacing:0.18em;display:flex;align-items:center;gap:12px;}\n  .brandbar .logo .fc-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;background:var(--gold-fc);color:var(--charcoal);font-weight:900;font-family:'IBM Plex Mono',monospace;font-size:0.95rem;border-radius:3px;letter-spacing:0;}\n  .brandbar .doc-id{font-family:'IBM Plex Mono',monospace;font-size:0.72rem;color:var(--al-silver);text-align:right;letter-spacing:0.05em;line-height:1.5;}\n  .brandbar .doc-id b{color:var(--gold-fc);font-weight:600;}\n\n  .hero{background:linear-gradient(135deg, rgba(16,23,31,0.96) 0%, rgba(36,50,56,0.93) 55%, rgba(31,111,107,0.82) 100%);color:#fff;padding:clamp(46px,8vw,86px) clamp(20px,5vw,70px) clamp(40px,6vw,64px);position:relative;overflow:hidden;}\n  .hero::after{content:\"\";position:absolute;inset:0;background-image:radial-gradient(circle at 85% 25%, rgba(224,123,44,0.10) 0%, transparent 42%),repeating-linear-gradient(120deg, transparent 0 30px, rgba(31,111,107,0.08) 30px 31px);pointer-events:none;}\n  .hero-content{position:relative;z-index:2;max-width:1000px;}\n  .hero .eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:0.74rem;letter-spacing:0.3em;text-transform:uppercase;color:var(--ce-glow);border:1px solid rgba(224,123,44,0.4);padding:6px 16px;border-radius:2px;margin-bottom:24px;}\n  .hero .eyebrow::before{content:\"\";width:7px;height:7px;border-radius:50%;background:var(--ce-glow);box-shadow:0 0 10px var(--ce-glow);}\n  .hero h1{font-family:'Noto Serif',serif;font-weight:900;font-size:clamp(1.9rem,5vw,3.5rem);line-height:1.18;margin-bottom:18px;letter-spacing:-0.01em;}\n  .hero h1 .accent{color:var(--ce-glow);}\n  .hero .lede{font-size:clamp(0.98rem,1.5vw,1.12rem);max-width:780px;color:rgba(255,255,255,0.9);font-weight:300;}\n  .spec-strip{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;}\n  .ss{background:rgba(255,255,255,0.05);border:1px solid rgba(140,151,163,0.3);border-radius:4px;padding:13px 20px;min-width:120px;backdrop-filter:blur(2px);}\n  .ss .num{font-family:'IBM Plex Mono',monospace;font-size:1.05rem;font-weight:600;color:var(--ce-glow);line-height:1.3;}\n  .ss .lbl{font-size:0.72rem;color:rgba(255,255,255,0.78);margin-top:6px;letter-spacing:0.03em;line-height:1.4;}\n\n  main{max-width:1040px;margin:0 auto;padding:clamp(32px,5vw,60px) clamp(16px,4vw,36px);}\n  .section{margin-bottom:clamp(40px,6vw,60px);}\n  .sec-head{display:flex;align-items:baseline;gap:18px;margin-bottom:24px;padding-bottom:14px;border-bottom:2px solid var(--ink);}\n  .sec-head .roman{font-family:'Noto Serif',serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:700;color:var(--ce-amber);line-height:1;flex-shrink:0;}\n  .sec-head h2{font-family:'Noto Serif',serif;font-size:clamp(1.3rem,3vw,1.8rem);font-weight:700;color:var(--ink);line-height:1.25;}\n\n  .part-banner{background:var(--charcoal);color:#fff;border-radius:10px;padding:28px 32px;margin:clamp(36px,5vw,52px) 0 30px;border-left:5px solid var(--ce-amber);position:relative;overflow:hidden;}\n  .part-banner::after{content:\"\";position:absolute;right:-20px;top:-20px;width:140px;height:140px;background:radial-gradient(circle,rgba(224,123,44,0.15),transparent 70%);}\n  .part-banner .pt{font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.25em;color:var(--ce-glow);text-transform:uppercase;margin-bottom:10px;}\n  .part-banner h2{font-family:'Noto Serif',serif;font-size:clamp(1.4rem,3.5vw,2rem);font-weight:700;color:#fff;}\n\n  .prose{margin-bottom:20px;}\n  .prose p{margin-bottom:14px;font-size:0.97rem;}\n  .prose strong{color:var(--ce-amber);font-weight:600;}\n\n  .data-note{background:#fff;border:1px solid var(--line);border-left:4px solid var(--calc);border-radius:0 8px 8px 0;padding:22px 26px;margin:24px 0;}\n  .data-note .dn-title{font-family:'Noto Serif',serif;font-weight:700;font-size:1rem;color:var(--ink);margin-bottom:12px;display:flex;align-items:center;gap:10px;}\n  .data-note .dn-title::before{content:\"!\";width:24px;height:24px;border-radius:50%;background:var(--calc);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-weight:700;font-size:0.85rem;flex-shrink:0;}\n  .data-note p{font-size:0.86rem;color:var(--ink-soft);line-height:1.7;}\n  .data-note b{color:var(--calc);}\n\n  .toc{background:var(--paper-warm);border:1px solid var(--line);border-radius:8px;padding:24px 28px;margin:24px 0;}\n  .toc .toc-h{font-family:'Noto Serif',serif;font-size:1.05rem;font-weight:700;color:var(--ink);margin-bottom:14px;}\n  .toc .toc-grp{font-family:'IBM Plex Mono',monospace;font-size:0.7rem;letter-spacing:0.15em;color:var(--ce-amber);text-transform:uppercase;margin:14px 0 6px;}\n  .toc ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:6px;}\n  .toc li a{display:flex;gap:10px;padding:7px 0;color:var(--ink-soft);text-decoration:none;font-size:0.88rem;border-bottom:1px dotted var(--line);transition:color .15s;}\n  .toc li a:hover{color:var(--ce-amber);}\n  .toc li a .rn{font-family:'IBM Plex Mono',monospace;color:var(--ce-amber);font-weight:600;flex-shrink:0;}\n\n  .table-wrap{overflow-x:auto;margin:22px 0;border-radius:6px;border:1px solid var(--line);}\n  table.spec{width:100%;border-collapse:collapse;font-size:0.86rem;background:#fff;min-width:520px;}\n  table.spec caption{text-align:left;padding:15px 20px;background:var(--charcoal);color:#fff;font-family:'Noto Sans',sans-serif;font-weight:500;font-size:0.92rem;}\n  table.spec caption .src{display:block;font-family:'IBM Plex Mono',monospace;font-size:0.7rem;color:var(--green-accent);margin-top:6px;letter-spacing:0.04em;}\n  table.spec thead th{background:var(--green-fc);color:#fff;font-weight:500;padding:11px 12px;text-align:center;font-size:0.78rem;line-height:1.35;border-right:1px solid rgba(255,255,255,0.12);vertical-align:middle;}\n  table.spec thead th .u{display:block;font-family:'IBM Plex Mono',monospace;font-size:0.62rem;color:var(--green-accent);font-weight:400;margin-top:2px;}\n  table.spec tbody td{padding:10px 12px;border-bottom:1px solid #e4ddcd;border-right:1px solid #efe9db;text-align:center;vertical-align:middle;}\n  table.spec tbody tr:nth-child(even){background:#E8F5E9;}\n  table.spec tbody tr:hover{background:#fff6e8;}\n  table.spec td.lead{font-weight:600;color:var(--charcoal);font-family:'IBM Plex Mono',monospace;text-align:left;}\n  table.spec .hl{color:var(--ce-amber);font-weight:700;font-family:'IBM Plex Mono',monospace;}\n  .tbl-note{font-size:0.76rem;color:var(--al-deep);margin-top:10px;font-style:italic;line-height:1.6;}\n\n  .formula{background:var(--charcoal);color:#fff;border-radius:8px;padding:28px 32px;margin:26px 0;border-left:4px solid var(--ce-glow);}\n  .formula .ftitle{font-family:'IBM Plex Mono',monospace;font-size:0.66rem;letter-spacing:0.2em;color:var(--ce-glow);text-transform:uppercase;margin-bottom:16px;}\n  .formula .eq{font-family:'IBM Plex Mono',monospace;font-size:clamp(1.05rem,2.4vw,1.4rem);color:#fff;text-align:center;padding:14px 0;letter-spacing:0.02em;}\n  .formula .eq .v{color:var(--ce-glow);}\n  .formula .where{margin-top:16px;font-size:0.82rem;color:var(--al-silver);line-height:1.9;border-top:1px solid rgba(140,151,163,0.25);padding-top:14px;}\n  .formula .where b{color:#fff;font-family:'IBM Plex Mono',monospace;font-weight:500;}\n\n  .callout{background:linear-gradient(135deg,#fff 0%,var(--paper-warm) 100%);border-left:4px solid var(--ce-amber);border-radius:0 8px 8px 0;padding:24px 28px;margin:26px 0;position:relative;}\n  .callout .tag{position:absolute;top:-11px;left:24px;background:var(--ce-amber);color:#fff;font-family:'IBM Plex Mono',monospace;font-size:0.66rem;letter-spacing:0.18em;padding:4px 14px;border-radius:2px;text-transform:uppercase;}\n  .callout .line{font-size:1.0rem;color:var(--ink);margin-top:4px;}\n  .callout .line strong{color:var(--ce-amber);}\n\n  .reel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:26px 0;}\n  .reel-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--crystal);border-radius:6px;padding:24px 22px;}\n  .reel-card .ic{display:flex;justify-content:center;margin-bottom:14px;}\n  .reel-card h4{font-family:'Noto Serif',serif;font-size:1.08rem;color:var(--ink);margin-bottom:12px;text-align:center;}\n  .reel-card .tag-row{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:12px;}\n  .reel-card .tg{font-family:'IBM Plex Mono',monospace;font-size:0.62rem;padding:3px 9px;border-radius:3px;letter-spacing:0.04em;}\n  .reel-card .tg.good{background:var(--ok-bg);color:var(--ok);}\n  .reel-card .tg.lim{background:var(--warn-bg);color:var(--warn);}\n  .reel-card p{font-size:0.86rem;color:var(--ink-soft);}\n\n  .vs-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0;}\n  @media(max-width:600px){.vs-pair{grid-template-columns:1fr;}}\n  .vs-box{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;}\n  .vs-box .vh{padding:12px 18px;font-weight:600;font-size:0.92rem;color:#fff;display:flex;align-items:center;gap:8px;}\n  .vs-box.bad .vh{background:var(--warn);}\n  .vs-box.good .vh{background:var(--ok);}\n  .vs-box.neutral .vh{background:var(--crystal);}\n  .vs-box .vbody{padding:18px;}\n  .vs-box .vbody svg{max-width:100%;height:auto;margin-bottom:10px;}\n  .vs-box .vbody p{font-size:0.83rem;color:var(--ink-soft);}\n\n  .steps{margin:24px 0;}\n  .step{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:20px 22px;margin-bottom:12px;border-left:3px solid var(--crystal);}\n  .step .n{font-family:'IBM Plex Mono',monospace;font-size:1.3rem;font-weight:600;color:var(--crystal);flex-shrink:0;line-height:1.3;}\n  .step .body h4{font-family:'Noto Serif',serif;font-size:1.02rem;color:var(--ink);margin-bottom:8px;}\n  .step .body p{font-size:0.88rem;color:var(--ink-soft);}\n\n  .checklist{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0;}\n  @media(max-width:680px){.checklist{grid-template-columns:1fr;}}\n  .check-col{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;}\n  .check-col .ch-head{padding:14px 20px;font-weight:600;font-size:0.95rem;color:#fff;}\n  .check-col.do .ch-head{background:var(--ok);}\n  .check-col.dont .ch-head{background:var(--warn);}\n  .check-col ul{list-style:none;padding:8px 0;}\n  .check-col li{padding:11px 20px;font-size:0.87rem;color:var(--ink-soft);border-bottom:1px dotted var(--line);display:flex;gap:10px;align-items:flex-start;}\n  .check-col li:last-child{border-bottom:none;}\n  .check-col li::before{flex-shrink:0;font-weight:700;font-family:'IBM Plex Mono',monospace;}\n  .check-col.do li::before{content:\"\u2713\";color:var(--ok);}\n  .check-col.dont li::before{content:\"\u2715\";color:var(--warn);}\n\n  .brand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0;}\n  .brand-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--gold-fc);border-radius:6px;padding:22px 20px;}\n  .brand-card .bc-ic{font-family:'IBM Plex Mono',monospace;font-size:0.7rem;color:var(--gold);letter-spacing:0.12em;margin-bottom:10px;}\n  .brand-card h4{font-family:'Noto Serif',serif;font-size:1.02rem;color:var(--ink);margin-bottom:8px;}\n  .brand-card p{font-size:0.86rem;color:var(--ink-soft);}\n\n  .qa{border:1px solid var(--line);border-radius:6px;margin-bottom:14px;overflow:hidden;background:#fff;}\n  .qa summary{padding:18px 24px;cursor:pointer;font-weight:600;font-size:0.96rem;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;background:var(--paper-warm);transition:background .15s;}\n  .qa summary:hover{background:#e3dccb;}\n  .qa summary::-webkit-details-marker{display:none;}\n  .qa summary .qmark{font-family:'Noto Serif',serif;color:var(--ce-amber);font-weight:700;flex-shrink:0;}\n  .qa summary .arr{margin-left:auto;transition:transform .2s;color:var(--al-deep);flex-shrink:0;}\n  .qa[open] summary .arr{transform:rotate(90deg);}\n  .qa .ans{padding:20px 24px 22px;}\n  .qa .ans p{font-size:0.92rem;color:var(--ink-soft);}\n  .qa .ans strong{color:var(--ce-amber);}\n\n  .divider{display:flex;align-items:center;gap:16px;margin:clamp(36px,5vw,56px) 0;}\n  .divider .ln{flex:1;height:1px;background:var(--line);}\n  .divider .rn{font-family:'Noto Serif',serif;color:var(--ce-amber);font-size:1.1rem;font-weight:700;letter-spacing:0.1em;}\n\n  .contact{background:var(--charcoal);color:#fff;border-top:4px solid var(--gold-fc);margin-top:clamp(36px,6vw,64px);padding:clamp(34px,5vw,54px) clamp(20px,5vw,60px);}\n  .contact-inner{max-width:1040px;margin:0 auto;}\n  .contact h3{font-family:'Noto Serif',serif;font-size:clamp(1.3rem,3vw,1.7rem);color:#fff;margin-bottom:26px;}\n  .contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-bottom:28px;}\n  .ci{background:rgba(255,255,255,0.04);border:1px solid rgba(140,151,163,0.25);border-radius:6px;padding:20px 22px;}\n  .ci .label{font-family:'IBM Plex Mono',monospace;font-size:0.64rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--ce-glow);margin-bottom:10px;}\n  .ci .val{font-size:1.02rem;color:#fff;font-weight:500;line-height:1.5;word-break:break-word;}\n  .ci .val.wa{font-family:'IBM Plex Mono',monospace;color:var(--gold-fc);font-size:1.12rem;letter-spacing:0.02em;}\n  .ci .sub{font-size:0.78rem;color:var(--al-silver);margin-top:4px;}\n  .contact .legal{border-top:1px solid rgba(140,151,163,0.2);padding-top:22px;font-size:0.78rem;color:var(--al-silver);line-height:1.7;}\n\n  footer.ft{background:#0a0f14;color:var(--al-deep);text-align:center;padding:22px;font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.05em;}\n  footer.ft b{color:var(--gold-fc);font-weight:500;}\n<\/style>\n<\/head>\n<body>\n<div class=\"wrap\">\n\n  <div class=\"brandbar\">\n    <div class=\"green-edge\"><\/div>\n    <div class=\"bar-inner\">\n      <div class=\"logo\"><span class=\"fc-mark\">FC<\/span> FEICHUN CABLES<\/div>\n      <div class=\"doc-id\">S\u1ed5 tay K\u1ef9 thu\u1eadt<br><b>FC-TM-REEL-2026-0A43D0<\/b><\/div>\n    <\/div>\n  <\/div>\n\n  <section class=\"hero\">\n    <div class=\"hero-content\">\n      <span class=\"eyebrow\">S\u1ed5 tay K\u1ef9 thu\u1eadt \u00b7 C\u00e1p Cu\u1ed9n<\/span>\n      <h1>C\u00e1p Cu\u1ed9n (Reeling)<br><span class=\"accent\">S\u1ed5 tay K\u1ef9 thu\u1eadt<\/span><\/h1>\n      <p class=\"lede\">Tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1p di \u0111\u1ed9ng lo\u1ea1i cu\u1ed9n (reeling), treo (festoon) v\u00e0 gi\u1ecf (basket) ph\u1ee5 thu\u1ed9c ph\u1ea7n l\u1edbn v\u00e0o vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng qu\u1ea5n c\u00e1p. S\u1ed5 tay n\u00e0y tr\u00ecnh b\u00e0y b\u00e1n k\u00ednh u\u1ed1n cong, b\u1ed9 d\u1eabn h\u01b0\u1edbng, b\u1ea3o v\u1ec7 l\u1ef1c c\u0103ng, neo gi\u1eef, l\u1ef1a ch\u1ecdn tang cu\u1ed9n v\u00e0 x\u1eed l\u00fd xo\u1eafn, c\u00f9ng v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n v\u1ec1 kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng, h\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m, s\u1ee5t \u00e1p v\u00e0 ng\u1eafn m\u1ea1ch.<\/p>\n\n      <div class=\"spec-strip\">\n        <div class=\"ss\"><div class=\"num\">DIN VDE<\/div><div class=\"lbl\">0298-4 \/ 0250<\/div><\/div>\n        <div class=\"ss\"><div class=\"num\">2 Ph\u1ea7n<\/div><div class=\"lbl\">L\u1eafp \u0111\u1eb7t + \u0110i\u1ec7n<\/div><\/div>\n        <div class=\"ss\"><div class=\"num\">FAQ<\/div><div class=\"lbl\">H\u1ecfi \u0111\u00e1p k\u1ef9 s\u01b0 hi\u1ec7n tr\u01b0\u1eddng<\/div><\/div>\n        <div class=\"ss\"><div class=\"num\">VI<\/div><div class=\"lbl\">B\u1ea3n ti\u1ebfng Vi\u1ec7t<\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <main>\n\n    <div class=\"toc\">\n      <div class=\"toc-h\">M\u1ee5c l\u1ee5c<\/div>\n      <div class=\"toc-grp\">FeiChun<\/div>\n      <ul><li><a href=\"#brand\"><span class=\"rn\">\u00b7<\/span> V\u1ec1 FeiChun Special Cable<\/a><\/li><\/ul>\n      <div class=\"toc-grp\">Ph\u1ea7n 1 \u00b7 L\u1eafp \u0111\u1eb7t &#038; Thi c\u00f4ng<\/div>\n      <ul>\n        <li><a href=\"#s1\"><span class=\"rn\">I.<\/span> B\u00e1n k\u00ednh u\u1ed1n cong<\/a><\/li>\n        <li><a href=\"#s2\"><span class=\"rn\">II.<\/span> B\u1ed9 d\u1eabn h\u01b0\u1edbng c\u00e1p<\/a><\/li>\n        <li><a href=\"#s3\"><span class=\"rn\">III.<\/span> B\u1ea3o v\u1ec7 l\u1ef1c c\u0103ng<\/a><\/li>\n        <li><a href=\"#s4\"><span class=\"rn\">IV.<\/span> H\u1ec7 th\u1ed1ng neo gi\u1eef<\/a><\/li>\n        <li><a href=\"#s5\"><span class=\"rn\">V.<\/span> C\u00e1c lo\u1ea1i tang cu\u1ed9n<\/a><\/li>\n        <li><a href=\"#s6\"><span class=\"rn\">VI.<\/span> V\u1eadn chuy\u1ec3n &#038; L\u01b0u kho<\/a><\/li>\n        <li><a href=\"#s7\"><span class=\"rn\">VII.<\/span> L\u1eafp \u0111\u1eb7t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/a><\/li>\n        <li><a href=\"#s8\"><span class=\"rn\">VIII.<\/span> X\u1eed l\u00fd xo\u1eafn<\/a><\/li>\n        <li><a href=\"#s9\"><span class=\"rn\">IX.<\/span> Th\u1eb3ng \u0111\u1ee9ng \/ Gi\u1ecf<\/a><\/li>\n      <\/ul>\n      <div class=\"toc-grp\">Ph\u1ea7n 2 \u00b7 \u0110i\u1ec7n<\/div>\n      <ul>\n        <li><a href=\"#e1\"><span class=\"rn\">X.<\/span> \u0110\u1ecbnh ngh\u0129a \u0111i\u1ec7n \u00e1p<\/a><\/li>\n        <li><a href=\"#e2\"><span class=\"rn\">XI.<\/span> Kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng<\/a><\/li>\n        <li><a href=\"#e3\"><span class=\"rn\">XII.<\/span> H\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m<\/a><\/li>\n        <li><a href=\"#e4\"><span class=\"rn\">XIII.<\/span> Ch\u1ebf \u0111\u1ed9 gi\u00e1n \u0111o\u1ea1n<\/a><\/li>\n        <li><a href=\"#e5\"><span class=\"rn\">XIV.<\/span> S\u1ee5t \u00e1p<\/a><\/li>\n        <li><a href=\"#e6\"><span class=\"rn\">XV.<\/span> Ng\u1eafn m\u1ea1ch<\/a><\/li>\n      <\/ul>\n      <div class=\"toc-grp\">FAQ<\/div>\n      <ul><li><a href=\"#faq\"><span class=\"rn\">?<\/span> C\u00e2u h\u1ecfi hi\u1ec7n tr\u01b0\u1eddng<\/a><\/li><\/ul>\n    <\/div>\n\n    <div class=\"data-note\">\n      <div class=\"dn-title\">V\u1ec1 d\u1eef li\u1ec7u trong s\u1ed5 tay n\u00e0y<\/div>\n      <p>B\u00e1n k\u00ednh u\u1ed1n cong, kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng, h\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m, s\u1ee5t \u00e1p v\u00e0 d\u1eef li\u1ec7u ng\u1eafn m\u1ea1ch trong s\u1ed5 tay n\u00e0y l\u00e0 c\u00e1c gi\u00e1 tr\u1ecb k\u1ef9 thu\u1eadt t\u1ed5ng qu\u00e1t d\u1ef1a tr\u00ean c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng khai nh\u01b0 <b>DIN VDE 0298-4, VDE 0250 v\u00e0 IEC<\/b>. Ch\u00fang nh\u1eb1m m\u1ee5c \u0111\u00edch h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt v\u00e0 l\u1ef1a ch\u1ecdn s\u01a1 b\u1ed9. D\u1ef1 \u00e1n th\u1ef1c t\u1ebf ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n theo \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c; ch\u1ee7ng lo\u1ea1i, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i, kh\u1ed1i l\u01b0\u1ee3ng, k\u00edch th\u01b0\u1edbc tang v\u00e0 m\u1ecdi th\u00f4ng s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a s\u1ea3n ph\u1ea9m FeiChun c\u1ee5 th\u1ec3 tu\u00e2n theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh th\u1ee9c v\u00e0 d\u1eef li\u1ec7u \u0111o th\u1ef1c t\u1ebf c\u1ee7a FeiChun. Vi\u1ec7c l\u1eafp \u0111\u1eb7t ph\u1ea3i do nh\u00e2n vi\u00ean c\u00f3 chuy\u00ean m\u00f4n th\u1ef1c hi\u1ec7n theo c\u00e1c ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n    <\/div>\n\n    <!-- BRAND -->\n    <section class=\"section\" id=\"brand\">\n      <div class=\"sec-head\"><span class=\"roman\">FC<\/span><h2>V\u1ec1 FeiChun Special Cable<\/h2><\/div>\n      <div class=\"prose\">\n        <p>Anhui FeiChun Special Cable Co., Ltd., c\u00f3 tr\u1ee5 s\u1edf t\u1ea1i H\u1ee3p Ph\u00ec, t\u1ec9nh An Huy, Trung Qu\u1ed1c, l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t chuy\u00ean v\u1ec1 nghi\u00ean c\u1ee9u v\u00e0 s\u1ea3n xu\u1ea5t <strong>c\u00e1p c\u00f4ng nghi\u1ec7p \u0111\u1eb7c ch\u1ee7ng<\/strong>. S\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong thi\u1ebft b\u1ecb c\u1ea3ng, thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1, khai kho\u00e1ng, luy\u1ec7n kim, \u0111i\u1ec7n gi\u00f3 v\u00e0 \u0111i\u1ec7n m\u1eb7t tr\u1eddi, giao th\u00f4ng \u0111\u01b0\u1eddng s\u1eaft v\u00e0 c\u00f4ng nghi\u1ec7p n\u1eb7ng.<\/p>\n        <p>D\u1ea3i s\u1ea3n ph\u1ea9m FeiChun bao g\u1ed3m <strong>c\u00e1p cu\u1ed9n (reeling), c\u00e1p x\u00edch k\u00e9o, c\u00e1p c\u1ea9u v\u00e0 c\u00e1p c\u1ea3ng, c\u00e1p l\u1ef1c h\u1ea1 th\u1ebf v\u00e0 trung th\u1ebf, c\u00e1p m\u1ecf v\u00e0 c\u00e1p h\u1ee3p kim nh\u00f4m \u0111\u1ea5t hi\u1ebfm<\/strong>, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt v\u00e0 gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh cho c\u00e1c th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf, bao g\u1ed3m Nga v\u00e0 EAEU, Vi\u1ec7t Nam v\u00e0 \u0110\u00f4ng Nam \u00c1, M\u1ef9 Latinh, \u00dac v\u00e0 Trung \u0110\u00f4ng.<\/p>\n      <\/div>\n\n      <div class=\"brand-grid\">\n        <div class=\"brand-card\"><div class=\"bc-ic\">01 \u00b7 CHUY\u00caN M\u00d4N<\/div><h4>T\u1eadp trung c\u00e1p \u0111\u1eb7c ch\u1ee7ng<\/h4><p>Chuy\u00ean v\u1ec1 c\u00e1p di \u0111\u1ed9ng, c\u00e1p cu\u1ed9n, c\u00e1p c\u1ea9u v\u00e0 c\u00e1p m\u1ecf cho \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, v\u1edbi kinh nghi\u1ec7m \u1ee9ng d\u1ee5ng hi\u1ec7n tr\u01b0\u1eddng s\u00e2u r\u1ed9ng.<\/p><\/div>\n        <div class=\"brand-card\"><div class=\"bc-ic\">02 \u00b7 K\u1ef8 THU\u1eacT<\/div><h4>\u0110\u1ecbnh h\u01b0\u1edbng k\u1ef9 thu\u1eadt<\/h4><p>T\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7, t\u00ednh to\u00e1n l\u1ef1a ch\u1ecdn v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t hi\u1ec7n tr\u01b0\u1eddng, t\u1eeb g\u00f3c nh\u00ecn c\u1ee7a k\u1ef9 s\u01b0.<\/p><\/div>\n        <div class=\"brand-card\"><div class=\"bc-ic\">03 \u00b7 T\u00d9Y CH\u1ec8NH<\/div><h4>N\u0103ng l\u1ef1c t\u00f9y ch\u1ec9nh<\/h4><p>Ru\u1ed9t d\u1eabn, v\u1ecf, k\u1ebft c\u1ea5u v\u00e0 chi\u1ec1u d\u00e0i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang theo y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n.<\/p><\/div>\n        <div class=\"brand-card\"><div class=\"bc-ic\">04 \u00b7 TO\u00c0N C\u1ea6U<\/div><h4>D\u1ecbch v\u1ee5 qu\u1ed1c t\u1ebf<\/h4><p>T\u00e0i li\u1ec7u \u0111a ng\u00f4n ng\u1eef v\u00e0 h\u1ed7 tr\u1ee3 xu\u1ea5t kh\u1ea9u cho EAEU, \u0110\u00f4ng Nam \u00c1, M\u1ef9 Latinh v\u00e0 c\u00e1c th\u1ecb tr\u01b0\u1eddng kh\u00e1c.<\/p><\/div>\n      <\/div>\n\n      <div class=\"callout\">\n        <span class=\"tag\">M\u1ee5c \u0111\u00edch<\/span>\n        <div class=\"line\">S\u1ed5 tay n\u00e0y d\u00e0nh cho <strong>k\u1ef9 s\u01b0, ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t v\u00e0 b\u00ean mua<\/strong> s\u1eed d\u1ee5ng c\u00e1p cu\u1ed9n v\u00e0 c\u00e1p di \u0111\u1ed9ng, nh\u1eb1m gi\u00fap h\u1ecd x\u1eed l\u00fd \u0111\u00fang to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh t\u1eeb thi\u1ebft k\u1ebf, l\u1ef1a ch\u1ecdn \u0111\u1ebfn l\u1eafp \u0111\u1eb7t hi\u1ec7n tr\u01b0\u1eddng v\u00e0 v\u1eadn h\u00e0nh. V\u1edbi m\u1ecdi c\u00e2u h\u1ecfi c\u1ee5 th\u1ec3 v\u1ec1 d\u1ef1 \u00e1n, vui l\u00f2ng li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt FeiChun \u2014 nh\u00e2n vi\u00ean kinh doanh v\u00e0 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i ph\u1ed1i h\u1ee3p \u0111\u1ec3 h\u1ed7 tr\u1ee3 b\u1ea1n s\u00e1t nh\u1ea5t.<\/div>\n      <\/div>\n    <\/section>\n\n    <!-- PART 1 -->\n    <div class=\"part-banner\">\n      <div class=\"pt\">Ph\u1ea7n 1 \u00b7 L\u1eafp \u0111\u1eb7t &#038; Thi c\u00f4ng<\/div>\n      <h2>Ph\u1ea7n 1 \u00b7 L\u1eafp \u0111\u1eb7t &#038; Thi c\u00f4ng<\/h2>\n    <\/div>\n\n    <!-- I. Bending Radii -->\n    <section class=\"section\" id=\"s1\">\n      <div class=\"sec-head\"><span class=\"roman\">I.<\/span><h2>B\u00e1n k\u00ednh u\u1ed1n cong<\/h2><\/div>\n      <div class=\"prose\">\n        <p>B\u00e1n k\u00ednh u\u1ed1n cong l\u00e0 <strong>y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t<\/strong> \u0111\u1ed1i v\u1edbi \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1p cu\u1ed9n. B\u00e1n k\u00ednh qu\u00e1 nh\u1ecf g\u00e2y k\u00e9o gi\u00e3n v\u00e0 xo\u1eafn n\u1ed9i t\u1ea1i trong ru\u1ed9t d\u1eabn, \u0111\u1ea9y nhanh m\u1ecfi v\u00e0 \u0111\u1ee9t g\u00e3y. Vi\u1ec7c t\u0103ng b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u c\u00f3 t\u00e1c \u0111\u1ed9ng <strong>h\u01a1n c\u1ea3 t\u1ef7 l\u1ec7 thu\u1eadn<\/strong> l\u00ean tu\u1ed5i th\u1ecd c\u00e1p. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u01b0a ra b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u khuy\u1ebfn ngh\u1ecb cho c\u00e1c ki\u1ec3u s\u1eed d\u1ee5ng kh\u00e1c nhau, bi\u1ec3u th\u1ecb theo b\u1ed9i s\u1ed1 c\u1ee7a \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u00e1p (OD).<\/p>\n      <\/div>\n\n      <div class=\"table-wrap\">\n        <table class=\"spec\">\n          <caption>B\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u khuy\u1ebfn ngh\u1ecb (\u00d7 OD c\u00e1p)<span class=\"src\">Gi\u00e1 tr\u1ecb k\u1ef9 thu\u1eadt t\u1ed5ng qu\u00e1t \u00b7 tham kh\u1ea3o DIN VDE \/ IEC<\/span><\/caption>\n          <thead><tr><th>Ki\u1ec3u s\u1eed d\u1ee5ng<\/th><th>H\u1ea1 th\u1ebf \u2264 1 kV<\/th><th>Trung th\u1ebf > 1 kV<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td class=\"lead\">L\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh<\/td><td>4 \u00d7 OD<\/td><td>6 \u00d7 OD<\/td><\/tr>\n            <tr><td class=\"lead\">Cu\u1ed9n (nh\u1ea3 c\u00e1p)<\/td><td class=\"hl\">8 \u00d7 OD<\/td><td class=\"hl\">10 \u00d7 OD<\/td><\/tr>\n            <tr><td class=\"lead\">X\u00edch t\u1ea3i c\u00e1p<\/td><td>5 \u00d7 OD<\/td><td>6 \u00d7 OD<\/td><\/tr>\n            <tr><td class=\"lead\">Puli d\u1eabn h\u01b0\u1edbng<\/td><td>7.5 \u00d7 OD<\/td><td>15 \u00d7 OD<\/td><\/tr>\n            <tr><td class=\"lead\">H\u1ec7 th\u1ed1ng gi\u1ecf<\/td><td colspan=\"2\">\u0111\u01b0\u1eddng k\u00ednh cu\u1ed9n \u2265 1,5 m<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p class=\"tbl-note\">L\u01b0u \u00fd: c\u00e1c gi\u00e1 tr\u1ecb l\u00e0 tham chi\u1ebfu b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u t\u1ed5ng qu\u00e1t. N\u01a1i chuy\u1ec3n \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean, d\u00f9ng gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n; n\u01a1i chuy\u1ec3n \u0111\u1ed9ng ch\u1eadm ho\u1eb7c kh\u00f4ng th\u01b0\u1eddng xuy\u00ean, c\u00f3 th\u1ec3 x\u00e9t b\u00e1n k\u00ednh nh\u1ecf h\u01a1n. B\u1ea5t c\u1ee9 n\u01a1i n\u00e0o c\u00f3 puli, con l\u0103n d\u1eabn h\u01b0\u1edbng ho\u1eb7c \u1ee9ng su\u1ea5t k\u1ebft h\u1ee3p u\u1ed1n c\u1ed9ng xo\u1eafn, ph\u1ea3i ki\u1ec3m so\u00e1t b\u00e1n k\u00ednh nghi\u00eam ng\u1eb7t. B\u00e1n k\u00ednh cho ph\u00e9p c\u1ee7a s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3 theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a FeiChun.<\/p>\n\n      <div class=\"callout\">\n        <span class=\"tag\">Nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i<\/span>\n        <div class=\"line\">Tuy\u1ec7t \u0111\u1ed1i tr\u00e1nh <strong>thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t<\/strong> b\u00e1n k\u00ednh u\u1ed1n. M\u1ed9t thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t \u2014 th\u01b0\u1eddng do g\u00f3c l\u1ec7ch c\u1ee7a cung con l\u0103n d\u1eabn h\u01b0\u1edbng kh\u00f4ng \u0111\u1ee7 \u2014 t\u1ea1o ra \u00e1p l\u1ef1c c\u1ee5c b\u1ed9 qu\u00e1 m\u1ee9c d\u1eabn th\u1eb3ng \u0111\u1ebfn \u0111\u1ee9t c\u00e1p. Cung d\u1eabn h\u01b0\u1edbng c\u1ea7n k\u00e9o d\u00e0i v\u01b0\u1ee3t qu\u00e1 g\u00f3c l\u1ec7ch \u0111\u1ec3 lu\u00f4n duy tr\u00ec b\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u.<\/div>\n      <\/div>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 II<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- II. Guides -->\n    <section class=\"section\" id=\"s2\">\n      <div class=\"sec-head\"><span class=\"roman\">II.<\/span><h2>B\u1ed9 d\u1eabn h\u01b0\u1edbng c\u00e1p<\/h2><\/div>\n      <div class=\"prose\">\n        <p><strong>M\u1ed9t chi\u1ec1u v\u00e0 hai chi\u1ec1u:<\/strong> b\u1ed9 d\u1eabn h\u01b0\u1edbng m\u1ed9t chi\u1ec1u th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng cho nh\u1ea3 c\u00e1p hai h\u01b0\u1edbng v\u00ec c\u00f3 v\u1ebb l\u00e0 gi\u1ea3i ph\u00e1p kinh t\u1ebf nh\u1ea5t. Tuy nhi\u00ean, tu\u1ed5i th\u1ecd c\u00e1p t\u0103ng \u0111\u00e1ng k\u1ec3 khi d\u00f9ng <strong>b\u1ed9 d\u1eabn h\u01b0\u1edbng hai chi\u1ec1u \u0111\u1ed1i x\u1ee9ng<\/strong>, v\u00ec n\u00f3 c\u00e2n b\u1eb1ng hi\u1ec7u \u1ee9ng xo\u1eafn v\u00e0 &#8220;nh\u00e0o&#8221; t\u00e1c \u0111\u1ed9ng l\u00ean c\u00e1p. V\u1ea5n \u0111\u1ec1 n\u00e0y kh\u00f4ng x\u1ea3y ra khi h\u1ec7 th\u1ed1ng cu\u1ed9n \u0111\u01b0\u1ee3c c\u1ea5p t\u1eeb \u0111\u1ea7u cu\u1ed1i (end-fed): khi \u0111\u00f3 b\u1ed9 d\u1eabn h\u01b0\u1edbng m\u1ed9t chi\u1ec1u lu\u00f4n ti\u1ebfp x\u00fac v\u1edbi c\u00e1p b\u1ea5t k\u1ec3 h\u01b0\u1edbng di chuy\u1ec3n.<\/p>\n        <p>Trong c\u00e1c ki\u1ec3u d\u1eabn h\u01b0\u1edbng, <strong>ki\u1ec3u cung tr\u00f2n (radius) l\u00e0 t\u1ed1t nh\u1ea5t<\/strong> \u2014 cho b\u00e1n k\u00ednh u\u1ed1n r\u1ed9ng r\u00e3i v\u1edbi \u0111\u1ed9 l\u1ec7ch c\u00e1p t\u1ed1i thi\u1ec3u. B\u1ed9 d\u1eabn h\u01b0\u1edbng nhi\u1ec1u con l\u0103n ho\u1eb7c hai chi\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf sao cho cung k\u00e9o d\u00e0i v\u01b0\u1ee3t qu\u00e1 g\u00f3c l\u1ec7ch, gi\u1eef b\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u. Khuy\u1ebfn ngh\u1ecb b\u1eaft bu\u1ed9c: gi\u1eef b\u1ed9 d\u1eabn h\u01b0\u1edbng <strong>th\u1eb3ng h\u00e0ng ch\u00ednh x\u00e1c<\/strong> v\u1edbi m\u1eb7t ph\u1eb3ng nh\u1ea3 c\u00e1p; b\u1ea5t k\u1ef3 sai l\u1ec7ch n\u00e0o c\u0169ng l\u00e0m t\u0103ng xo\u1eafn l\u00ean c\u00e1p.<\/p>\n      <\/div>\n\n      <div class=\"vs-pair\">\n        <div class=\"vs-box bad\">\n          <div class=\"vh\">\u2715 Bi\u00ean d\u1ea1ng puli sai<\/div>\n          <div class=\"vbody\">\n            <svg viewBox=\"0 0 200 120\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n              <path d=\"M40 30 L40 70 L160 70 L160 30\" fill=\"none\" stroke=\"#b3402a\" stroke-width=\"2\"\/>\n              <line x1=\"40\" y1=\"70\" x2=\"160\" y2=\"70\" stroke=\"#b3402a\" stroke-width=\"2\"\/>\n              <ellipse cx=\"100\" cy=\"62\" rx=\"22\" ry=\"14\" fill=\"#c8a0a0\" stroke=\"#b3402a\" stroke-width=\"1.5\"\/>\n              <text x=\"100\" y=\"100\" text-anchor=\"middle\" font-family=\"'Noto Sans'\" font-size=\"10\" fill=\"#b3402a\">l\u0103n \u2192 xo\u1eafn<\/text>\n            <\/svg>\n            <p>R\u00e3nh ph\u1eb3ng ho\u1eb7c qu\u00e1 s\u00e2u khi\u1ebfn c\u00e1p l\u0103n v\u00e0 xo\u1eafn, gi\u1ea3m tu\u1ed5i th\u1ecd.<\/p>\n          <\/div>\n        <\/div>\n        <div class=\"vs-box good\">\n          <div class=\"vh\">\u2713 Bi\u00ean d\u1ea1ng puli \u0111\u00fang<\/div>\n          <div class=\"vbody\">\n            <svg viewBox=\"0 0 200 120\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n              <path d=\"M40 30 Q40 75 100 75 Q160 75 160 30\" fill=\"none\" stroke=\"#2e7d4f\" stroke-width=\"2\"\/>\n              <circle cx=\"100\" cy=\"58\" r=\"17\" fill=\"#a8c8b0\" stroke=\"#2e7d4f\" stroke-width=\"1.5\"\/>\n              <text x=\"100\" y=\"100\" text-anchor=\"middle\" font-family=\"'Noto Sans'\" font-size=\"10\" fill=\"#2e7d4f\">\u00f4m kh\u00edt \u2192 xo\u1eafn t\u1ed1i thi\u1ec3u<\/text>\n            <\/svg>\n            <p>B\u00e1n k\u00ednh kh\u1edbp v\u1edbi h\u00ecnh d\u1ea1ng c\u00e1p gi\u1ea3m thi\u1ec3u xo\u1eafn t\u00e1c \u0111\u1ed9ng v\u00e0 b\u1ea3o v\u1ec7 v\u1ecf c\u00e1p.<\/p>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"callout\">\n        <span class=\"tag\">V\u1ec1 puli<\/span>\n        <div class=\"line\">Puli c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m r\u00f5 r\u1ec7t so v\u1edbi b\u1ed9 d\u1eabn h\u01b0\u1edbng: <strong>tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3 l\u00e0m t\u0103ng qu\u00e1n t\u00ednh<\/strong>, n\u00ean c\u1ea7n m\u00f4-men l\u1edbn h\u01a1n \u0111\u1ec3 b\u00f9, cu\u1ed1i c\u00f9ng l\u00e0m t\u0103ng l\u1ef1c c\u0103ng c\u00e1p v\u00e0 gi\u1ea3m tu\u1ed5i th\u1ecd; chu vi puli ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi v\u1ecf ngo\u00e0i. N\u01a1i c\u00f3 th\u1ec3 d\u00f9ng b\u1ed9 d\u1eabn h\u01b0\u1edbng, tr\u00e1nh puli n\u1eb7ng; n\u01a1i b\u1eaft bu\u1ed9c d\u00f9ng puli, h\u00e3y d\u00f9ng bi\u00ean d\u1ea1ng \u0111\u00fang nh\u01b0 tr\u00ean.<\/div>\n      <\/div>\n\n      <div class=\"prose\">\n        <p><strong>\u0110\u1ed5i h\u01b0\u1edbng:<\/strong> \u1edf giai \u0111o\u1ea1n thi\u1ebft k\u1ebf, \u0111\u1ec3 \u0111\u1ee7 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c l\u1ea7n \u0111\u1ed5i h\u01b0\u1edbng \u2014 \u00edt nh\u1ea5t <strong>20 \u00d7 OD c\u00e1p<\/strong> (d\u00e0i h\u01a1n v\u1edbi h\u1ec7 th\u1ed1ng t\u1ed1c \u0111\u1ed9 cao). \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1p l\u1ea5y l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u tr\u01b0\u1edbc khi ch\u1ecbu l\u1ea7n u\u1ed1n ti\u1ebfp theo.<\/p>\n      <\/div>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 III<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- III. Tension -->\n    <section class=\"section\" id=\"s3\">\n      <div class=\"sec-head\"><span class=\"roman\">III.<\/span><h2>B\u1ea3o v\u1ec7 Qu\u00e1 c\u0103ng v\u00e0 Thi\u1ebfu c\u0103ng<\/h2><\/div>\n      <div class=\"prose\">\n        <p>R\u1ea5t khuy\u1ebfn ngh\u1ecb h\u1ec7 th\u1ed1ng d\u1eabn h\u01b0\u1edbng c\u00e1p bao g\u1ed3m <strong>b\u1ea3o v\u1ec7 c\u1ea3 thi\u1ebfu c\u0103ng v\u00e0 qu\u00e1 c\u0103ng<\/strong>. Ngay c\u1ea3 khi qu\u00e1 c\u0103ng trong th\u1eddi gian ng\u1eafn do h\u1ecfng h\u00f3c c\u01a1 kh\u00ed ho\u1eb7c s\u1ef1 c\u1ed1 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m c\u00e1p h\u1ecfng do bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n ho\u1eb7c \u0111\u1ee9t ru\u1ed9t d\u1eabn. M\u1ecdi thi\u1ebft b\u1ecb qu\u00e1 c\u0103ng n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf <strong>l\u1ef1c l\u00e0m vi\u1ec7c an to\u00e0n li\u00ean t\u1ee5c t\u1ed1i \u0111a<\/strong> x\u00e1c \u0111\u1ecbnh cho t\u1eebng ti\u1ebft di\u1ec7n c\u00e1p.<\/p>\n        <p>Ng\u01b0\u1ee3c l\u1ea1i, <strong>b\u1ea3o v\u1ec7 thi\u1ebfu c\u0103ng<\/strong> l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1p kh\u00f4ng t\u1ef1 tu\u1ed9t kh\u1ecfi tang v\u00e0 b\u1ecb h\u01b0 h\u1ea1i. B\u1ea3o v\u1ec7 n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u1edbi tang c\u00e1p l\u1eafp tr\u00ean cao.<\/p>\n      <\/div>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 IV<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- IV. Anchoring -->\n    <section class=\"section\" id=\"s4\">\n      <div class=\"sec-head\"><span class=\"roman\">IV.<\/span><h2>H\u1ec7 th\u1ed1ng Neo gi\u1eef<\/h2><\/div>\n      <div class=\"prose\">\n        <p>Neo gi\u1eef c\u00e1p \u0111\u00fang c\u00e1ch l\u00e0 n\u1ec1n t\u1ea3ng cho v\u1eadn h\u00e0nh tin c\u1eady. C\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau, nh\u01b0ng \u0111\u1ec1u chung m\u1ee5c \u0111\u00edch c\u01a1 b\u1ea3n: <strong>ph\u00e2n t\u00e1n l\u1ef1c k\u00e9o tr\u00ean di\u1ec7n t\u00edch v\u1ecf \u0111\u1ee7 l\u1edbn<\/strong> \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ea1i ho\u1eb7c h\u1ecfng t\u1ea1i \u0111i\u1ec3m neo.<\/p>\n      <\/div>\n\n      <div class=\"table-wrap\">\n        <table class=\"spec\">\n          <caption>K\u00edch th\u01b0\u1edbc neo gi\u1eef ch\u00ednh (\u00d7 OD c\u00e1p)<span class=\"src\">Gi\u00e1 tr\u1ecb k\u1ef9 thu\u1eadt t\u1ed5ng qu\u00e1t<\/span><\/caption>\n          <thead><tr><th>Th\u00f4ng s\u1ed1<\/th><th>Gi\u00e1 tr\u1ecb<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td class=\"lead\">Chi\u1ec1u d\u00e0i \u00f4m c\u1ee7a k\u1eb9p c\u00e1p<\/td><td class=\"hl\">20\u201325 \u00d7 OD<\/td><\/tr>\n            <tr><td class=\"lead\">S\u1ed1 v\u00f2ng quanh tang ch\u1ecbu l\u1ef1c<\/td><td>\u2265 2 v\u00f2ng<\/td><\/tr>\n            <tr><td class=\"lead\">B\u00e1n k\u00ednh min. tang ch\u1ecbu l\u1ef1c (TT)<\/td><td>10 \u00d7 OD<\/td><\/tr>\n            <tr><td class=\"lead\">B\u00e1n k\u00ednh min. tang ch\u1ecbu l\u1ef1c (HT)<\/td><td>5 \u00d7 OD<\/td><\/tr>\n            <tr><td class=\"lead\">Loa v\u00e0o \u0111\u1ebfn b\u1ed9 d\u1eabn nh\u1ea3 c\u00e1p<\/td><td>\u2265 15 \u00d7 OD ho\u1eb7c 1 m<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p class=\"tbl-note\">L\u01b0u \u00fd: \u0111i\u1ec3m neo di \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t d\u00f9ng \u0111\u1ea7u c\u1ed1t th\u00f4ng th\u01b0\u1eddng ho\u1eb7c &#8220;k\u1eb9p c\u00e1p&#8221; (cable grip). T\u1ea3i k\u00e9o n\u00ean ph\u00e2n b\u1ed1 tr\u00ean chi\u1ec1u d\u00e0i \u0111\u1ea7u cu\u1ed1i b\u1eb1ng 20\/25 \u00d7 OD, \u0111\u1ec3 l\u1ea1i m\u1ed9t v\u00f2ng ch\u00f9ng tr\u01b0\u1edbc khi v\u00e0o h\u1ed9p \u0111\u1ea5u n\u1ed1i nh\u1eb1m cho ph\u00e9p chuy\u1ec3n \u0111\u1ed9ng v\u1eadn h\u00e0nh. C\u00e1c gi\u00e1 tr\u1ecb l\u00e0 tham chi\u1ebfu k\u1ef9 thu\u1eadt t\u1ed5ng qu\u00e1t.<\/p>\n\n      <div class=\"callout\">\n        <span class=\"tag\">\u0110i\u1ec3m giao trung t\u00e2m<\/span>\n        <div class=\"line\">V\u1edbi \u0111i\u1ec3m neo trung t\u00e2m ng\u1ea7m: kho\u1ea3ng c\u00e1ch th\u1eb3ng \u0111\u1ee9ng gi\u1eefa loa v\u00e0o v\u00e0 b\u1ed9 d\u1eabn nh\u1ea3 c\u00e1p c\u1ee7a c\u1ea9u kh\u00f4ng nh\u1ecf h\u01a1n <strong>15 \u00d7 OD ho\u1eb7c 1 m<\/strong>, l\u1ea5y gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n; n\u00ean qu\u1ea5n \u00edt nh\u1ea5t <strong>2 v\u00f2ng (2\u00bd th\u00ec t\u1ed1t h\u01a1n)<\/strong> quanh tang ch\u1ecbu l\u1ef1c \u0111\u1ec3 \u0111\u1ee7 di\u1ec7n t\u00edch ti\u1ebfp x\u00fac. V\u1edbi t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n cao, khuy\u1ebfn ngh\u1ecb <strong>thi\u1ebft b\u1ecb gi\u1ea3m t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n<\/strong>: gi\u1ea3m t\u1ed1c tr\u01b0\u1edbc \u0111i\u1ec3m trung t\u00e2m v\u00e0 t\u0103ng t\u1ed1c l\u1ea1i sau khi v\u01b0\u1ee3t qua.<\/div>\n      <\/div>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 V<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- V. Reel types -->\n    <section class=\"section\" id=\"s5\">\n      <div class=\"sec-head\"><span class=\"roman\">V.<\/span><h2>C\u00e1c lo\u1ea1i Tang cu\u1ed9n<\/h2><\/div>\n      <div class=\"prose\">\n        <p>Tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t c\u00e1p g\u1eafn ch\u1eb7t v\u1edbi thi\u1ebft k\u1ebf cu\u1ed9n. H\u1ec7 th\u1ed1ng cu\u1ed9n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t, k\u1ebft h\u1ee3p v\u1edbi l\u1ef1a ch\u1ecdn c\u00e1p \u0111\u00fang, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 tu\u1ed5i th\u1ecd c\u00e1p d\u00e0i. Tang cu\u1ed9n ng\u00e0y nay chia th\u00e0nh ba lo\u1ea1i ch\u00ednh:<\/p>\n      <\/div>\n\n      <div class=\"reel-grid\">\n        <div class=\"reel-card\">\n          <div class=\"ic\"><svg width=\"80\" height=\"80\" viewBox=\"0 0 80 80\"><circle cx=\"40\" cy=\"40\" r=\"32\" fill=\"none\" stroke=\"#1f6f6b\" stroke-width=\"2\"\/><circle cx=\"40\" cy=\"40\" r=\"10\" fill=\"#1f6f6b\"\/><path d=\"M40 8 A32 32 0 0 1 72 40\" fill=\"none\" stroke=\"#c8521e\" stroke-width=\"3\"\/><\/svg><\/div>\n          <h4>Xo\u1eafn \u0111\u01a1n (Mono-spiral)<\/h4>\n          <div class=\"tag-row\"><span class=\"tg good\">d\u1eabn h\u01b0\u1edbng \u0111\u01a1n gi\u1ea3n<\/span><span class=\"tg good\">t\u1ea3n nhi\u1ec7t t\u1ed1t<\/span><\/div>\n          <p>M\u1ed9t trong nh\u1eefng lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t. Tuy\u1ebfn d\u1eabn h\u01b0\u1edbng \u0111\u01a1n gi\u1ea3n k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u00e1p so v\u1edbi c\u00e1c lo\u1ea1i kh\u00e1c; v\u00e0 nh\u1edd t\u1ea3n nhi\u1ec7t t\u1ed1t h\u01a1n, ti\u1ebft di\u1ec7n ru\u1ed9t d\u1eabn c\u1ee7a c\u00e1p l\u1ef1c th\u01b0\u1eddng c\u00f3 th\u1ec3 nh\u1ecf h\u01a1n. S\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u01b0\u1eddng k\u00ednh trong v\u00e0 ngo\u00e0i c\u1ee7a tang l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 ki\u1ec3m so\u00e1t l\u1ef1c c\u0103ng.<\/p>\n        <\/div>\n        <div class=\"reel-card\">\n          <div class=\"ic\"><svg width=\"80\" height=\"80\" viewBox=\"0 0 80 80\"><circle cx=\"40\" cy=\"40\" r=\"32\" fill=\"none\" stroke=\"#1f6f6b\" stroke-width=\"2\"\/><circle cx=\"40\" cy=\"40\" r=\"10\" fill=\"#1f6f6b\"\/><path d=\"M30 20 Q55 30 50 50 Q40 65 25 55\" fill=\"none\" stroke=\"#b3402a\" stroke-width=\"2\" stroke-dasharray=\"3 2\"\/><\/svg><\/div>\n          <h4>Qu\u1ea5n ng\u1eabu nhi\u00ean<\/h4>\n          <div class=\"tag-row\"><span class=\"tg good\">\u0111\u01a1n gi\u1ea3n nh\u1ea5t<\/span><span class=\"tg lim\">ch\u1ec9 \u00d8 nh\u1ecf \/ ng\u1eafn<\/span><\/div>\n          <p>Tang \u0111\u01a1n gi\u1ea3n nh\u1ea5t, v\u1eadn h\u00e0nh kh\u00f4ng c\u1ea7n d\u1eabn h\u01b0\u1edbng. X\u1ebfp l\u1edbp ng\u1eabu nhi\u00ean c\u00f3 th\u1ec3 g\u00e2y tr\u01b0\u1ee3t v\u00f2ng, l\u1ef1c k\u00e9o \u0111\u1ed9t ng\u1ed9t, xo\u1eafn, m\u00e0i m\u00f2n v\u00e0 ch\u1ed3ng \u0111\u1ed1ng b\u1ea5t th\u01b0\u1eddng. V\u00ec v\u1eady n\u00f3 ch\u1ec9 ph\u00f9 h\u1ee3p <strong>\u0111\u01b0\u1eddng k\u00ednh nh\u1ecf v\u00e0 tuy\u1ebfn ng\u1eafn: t\u1ed1i \u0111a 250 m, &lt; 4 kg\/m<\/strong>.<\/p>\n        <\/div>\n        <div class=\"reel-card\">\n          <div class=\"ic\"><svg width=\"80\" height=\"80\" viewBox=\"0 0 80 80\"><circle cx=\"40\" cy=\"40\" r=\"32\" fill=\"none\" stroke=\"#1f6f6b\" stroke-width=\"2\"\/><circle cx=\"40\" cy=\"40\" r=\"10\" fill=\"#1f6f6b\"\/><path d=\"M40 12 A28 28 0 0 1 68 40\" fill=\"none\" stroke=\"#c8521e\" stroke-width=\"2.5\"\/><path d=\"M40 18 A22 22 0 0 1 62 40\" fill=\"none\" stroke=\"#e07b2c\" stroke-width=\"2.5\"\/><\/svg><\/div>\n          <h4>Xo\u1eafn nhi\u1ec1u (Multi-spiral)<\/h4>\n          <div class=\"tag-row\"><span class=\"tg good\">\u00d8 l\u1edbn \/ d\u00e0i<\/span><span class=\"tg good\">l\u1ef1c c\u0103ng kh\u00f4ng \u0111\u1ed5i<\/span><\/div>\n          <p>Ph\u00f9 h\u1ee3p cho \u0111\u01b0\u1eddng k\u00ednh l\u1edbn v\u00e0 chi\u1ec1u d\u00e0i l\u1edbn. \u01afu \u0111i\u1ec3m ch\u00ednh l\u00e0 kh\u1ea3 n\u0103ng mang l\u01b0\u1ee3ng c\u00e1p l\u1edbn (k\u1ec3 c\u1ea3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn) v\u1edbi <strong>l\u1ef1c c\u0103ng cu\u1ed9n kh\u00f4ng \u0111\u1ed5i<\/strong> tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i. Th\u01b0\u1eddng kh\u00f3 gi\u1ea3m s\u1ed1 b\u1ed9 d\u1eabn h\u01b0\u1edbng v\u00e0 s\u1ed1 l\u1ea7n \u0111\u1ed5i h\u01b0\u1edbng \u1edf lo\u1ea1i n\u00e0y.<\/p>\n        <\/div>\n      <\/div>\n\n      <div class=\"callout\">\n        <span class=\"tag\">L\u1ef1a ch\u1ecdn<\/span>\n        <div class=\"line\">\u0110\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u d\u00e0i c\u00e1p l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh cho tang xo\u1eafn \u0111\u01a1n: c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa \u0111\u01b0\u1eddng k\u00ednh trong v\u00e0 ngo\u00e0i l\u00e0 then ch\u1ed1t \u0111\u1ec3 ki\u1ec3m so\u00e1t l\u1ef1c c\u0103ng. Qu\u1ea5n ng\u1eabu nhi\u00ean gi\u1edbi h\u1ea1n \u1edf \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf v\u00e0 tuy\u1ebfn ng\u1eafn; xo\u1eafn nhi\u1ec1u ph\u00f9 h\u1ee3p \u0111\u01b0\u1eddng k\u00ednh l\u1edbn v\u00e0 chi\u1ec1u d\u00e0i l\u1edbn nh\u01b0ng \u00edt d\u01b0 \u0111\u1ecba gi\u1ea3m b\u1ed9 d\u1eabn h\u01b0\u1edbng v\u00e0 \u0111\u1ed5i h\u01b0\u1edbng.<\/div>\n      <\/div>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 VI<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- VI. Handling\/Storage -->\n    <section class=\"section\" id=\"s6\">\n      <div class=\"sec-head\"><span class=\"roman\">VI.<\/span><h2>V\u1eadn chuy\u1ec3n &#038; L\u01b0u kho<\/h2><\/div>\n      <div class=\"checklist\">\n        <div class=\"check-col do\">\n          <div class=\"ch-head\">N\u00caN<\/div>\n          <ul>\n            <li>L\u01b0u kho v\u00e0 v\u1eadn chuy\u1ec3n c\u00e1p tr\u00ean tang g\u1ed1c<\/li>\n            <li>Di chuy\u1ec3n tang b\u1eb1ng xe n\u00e2ng ho\u1eb7c c\u1ea9u<\/li>\n            <li>N\u1ebfu ph\u1ea3i l\u0103n, h\u00e3y l\u0103n ng\u01b0\u1ee3c chi\u1ec1u qu\u1ea5n<\/li>\n            <li>Gi\u1eef tang \u1edf n\u01a1i m\u00e1t, kh\u00f4, c\u00f3 b\u00f3ng r\u00e2m<\/li>\n            <li>Gi\u1eef k\u00edn \u0111\u1ea7u c\u00e1p ch\u1ed1ng \u1ea9m v\u00e0 b\u1ee5i b\u1ea9n<\/li>\n          <\/ul>\n        <\/div>\n        <div class=\"check-col dont\">\n          <div class=\"ch-head\">KH\u00d4NG N\u00caN<\/div>\n          <ul>\n            <li>Tr\u00e1nh l\u0103n tang tr\u00ean g\u1edd m\u00e1 tang<\/li>\n            <li>Kh\u00f4ng l\u0103n theo chi\u1ec1u qu\u1ea5n (l\u00e0m l\u1ecfng v\u00f2ng)<\/li>\n            <li>Kh\u00f4ng l\u01b0u kho ngo\u00e0i tang (v\u00f2ng c\u00e1p s\u1ee5p)<\/li>\n            <li>Kh\u00f4ng \u0111\u1ec3 h\u1edf \u0111\u1ea7u c\u00e1p v\u1edbi \u1ea9m v\u00e0 b\u1ee5i b\u1ea9n<\/li>\n            <li>Kh\u00f4ng l\u01b0u kho n\u01a1i \u1ea9m \u01b0\u1edbt ho\u1eb7c ph\u01a1i n\u1eafng<\/li>\n          <\/ul>\n        <\/div>\n      <\/div>\n      <p class=\"tbl-note\">L\u01b0u kho tr\u00ean tang g\u1ed1c ng\u0103n ng\u1eeba khuy\u1ebft t\u1eadt do v\u00f2ng c\u00e1p l\u1ecfng. L\u0103n ng\u01b0\u1ee3c chi\u1ec1u qu\u1ea5n gi\u1eef c\u00e1p b\u00e1m ch\u1eb7t v\u00e0o tang v\u00e0 tr\u00e1nh xo\u1eafn ho\u1eb7c l\u1ef1c c\u0103ng \u0111\u1ed9t ng\u1ed9t do v\u00f2ng l\u1ecfng. C\u00e1p d\u1ef1 ph\u00f2ng n\u00ean gi\u1eef tr\u00ean tang g\u1ed1c v\u00e0 b\u1ecbt k\u00edn \u0111\u1ea7u, b\u1ea5t k\u1ec3 th\u1eddi gian l\u01b0u kho.<\/p>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 VII<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- VII. Installation -->\n    <section class=\"section\" id=\"s7\">\n      <div class=\"sec-head\"><span class=\"roman\">VII.<\/span><h2>L\u1eafp \u0111\u1eb7t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/h2><\/div>\n      <div class=\"prose\">\n        <p>\u0110\u1ec3 tu\u1ed5i th\u1ecd t\u1ed1i \u01b0u, vi\u1ec7c r\u1ea3i c\u00e1p ph\u1ea3i do nh\u00e2n vi\u00ean chuy\u00ean m\u00f4n th\u1ef1c hi\u1ec7n. Ngo\u00e0i c\u00e1c bi\u1ec7n ph\u00e1p th\u00f4ng th\u01b0\u1eddng khi r\u1ea3i c\u00e1p, \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh ri\u00eang c\u1ee7a c\u00e1p di \u0111\u1ed9ng \u0111\u00f2i h\u1ecfi tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c \u0111i\u1ec3m d\u01b0\u1edbi \u0111\u00e2y. Ch\u1ea1y th\u1eed l\u1eafp \u0111\u1eb7t v\u00e0i l\u1ea7n ngay sau khi r\u1ea3i c\u00e1p \u0111\u1ec3 ki\u1ec3m tra v\u1eadn h\u00e0nh v\u00e0 s\u1eeda ngay m\u1ecdi khuy\u1ebft t\u1eadt.<\/p>\n      <\/div>\n      <div class=\"steps\">\n        <div class=\"step\"><div class=\"n\">1<\/div><div class=\"body\"><h4>K\u00edch n\u00e2ng tang g\u1ed1c<\/h4><p>N\u00e2ng tang v\u1eadn chuy\u1ec3n l\u00ean kh\u1ecfi m\u1eb7t \u0111\u1ea5t \u0111\u1ec3 n\u00f3 quay t\u1ef1 do.<\/p><\/div><\/div>\n        <div class=\"step\"><div class=\"n\">2<\/div><div class=\"body\"><h4>Nh\u1ea3 c\u00e1p d\u1ecdc tuy\u1ebfn<\/h4><p>Th\u00e1o c\u00e1p d\u1ecdc to\u00e0n b\u1ed9 tuy\u1ebfn di chuy\u1ec3n, d\u00f9ng thi\u1ebft b\u1ecb k\u00e9o v\u00e0 con l\u0103n th\u00f4ng th\u01b0\u1eddng.<\/p><\/div><\/div>\n        <div class=\"step\"><div class=\"n\">3<\/div><div class=\"body\"><h4>Ho\u1eb7c chuy\u1ec3n tr\u1ef1c ti\u1ebfp<\/h4><p>N\u01a1i m\u1eb7t b\u1eb1ng h\u1ea1n ch\u1ebf, chuy\u1ec3n tr\u1ef1c ti\u1ebfp t\u1eeb tang v\u1eadn chuy\u1ec3n sang tang cu\u1ed9n. B\u1ea1n <strong>ph\u1ea3i tr\u00e1nh kh\u00fac u\u1ed1n &#8220;S&#8221;<\/strong> gi\u1eefa hai tang, v\u00e0 tr\u00e1nh \u0111i qua con l\u0103n ho\u1eb7c c\u00e1c \u0111i\u1ec3m \u0111\u1ed5i h\u01b0\u1edbng khi c\u00f3 th\u1ec3.<\/p><\/div><\/div>\n        <div class=\"step\"><div class=\"n\">4<\/div><div class=\"body\"><h4>Ch\u1eadm, l\u1ef1c c\u0103ng t\u1ed1i thi\u1ec3u<\/h4><p>Chuy\u1ec3n tr\u1ef1c ti\u1ebfp ph\u1ea3i l\u00e0m ch\u1eadm v\u00e0 v\u1edbi l\u1ef1c c\u0103ng t\u1ed1i thi\u1ec3u, \u0111\u1ec3 tr\u00e1nh t\u1ea1o xo\u1eafn trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/p><\/div><\/div>\n      <\/div>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 VIII<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- VIII. Twist -->\n    <section class=\"section\" id=\"s8\">\n      <div class=\"sec-head\"><span class=\"roman\">VIII.<\/span><h2>X\u1eed l\u00fd Xo\u1eafn<\/h2><\/div>\n      <div class=\"prose\">\n        <p>N\u1ebfu c\u00e1p b\u1ecb xo\u1eafn trong qu\u00e1 tr\u00ecnh tr\u00ean, ch\u00fang t\u00f4i \u0111\u1eb7c bi\u1ec7t khuy\u1ebfn ngh\u1ecb lo\u1ea1i b\u1ecf n\u00f3. C\u00f3 m\u1ed9t \u0111\u1ecbnh lu\u1eadt v\u1eadt l\u00fd quan tr\u1ecdng: <strong>c\u00e1p \u0111\u01b0\u1ee3c l\u1eafp \u0111\u00fang c\u00e1ch, kh\u00f4ng c\u00f3 xo\u1eafn do b\u1ed9 d\u1eabn h\u01b0\u1edbng hay u\u1ed1n cong b\u1ea5t th\u01b0\u1eddng g\u00e2y ra, th\u00ec kh\u00f4ng th\u1ec3 t\u1ef1 xo\u1eafn.<\/strong> Th\u01b0\u1eddng d\u00f9ng hai ph\u01b0\u01a1ng ph\u00e1p.<\/p>\n      <\/div>\n\n      <div class=\"vs-pair\">\n        <div class=\"vs-box neutral\">\n          <div class=\"vh\">Ph\u01b0\u01a1ng ph\u00e1p S\u00f3ng<\/div>\n          <div class=\"vbody\"><p>\u0110\u1eb7t m\u1ed9t con l\u0103n h\u00ecnh tr\u1ee5 (\u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 15\u201320 cm) b\u00ean d\u01b0\u1edbi c\u00e1p g\u1ea7n ch\u1ed7 xo\u1eafn. Hai ng\u01b0\u1eddi c\u1ea7m con l\u0103n c\u00f9ng \u0111i, \u0111\u1ea9y &#8220;s\u00f3ng&#8221; v\u1ec1 ph\u00eda \u0111\u1ea7u c\u00e1p cho \u0111\u1ebfn khi h\u1ebft xo\u1eafn.<\/p><\/div>\n        <\/div>\n        <div class=\"vs-box neutral\">\n          <div class=\"vh\">Ph\u01b0\u01a1ng ph\u00e1p Xo\u1eafn \u1ed1c<\/div>\n          <div class=\"vbody\"><p>M\u1ed9t ng\u01b0\u1eddi c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c. Ch\u1eeba \u0111\u1ee7 c\u00e1p t\u1eeb \u0111\u1ea7u c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 t\u1ea1o m\u1ed9t v\u00f2ng xo\u1eafn \u1ed1c (ph\u1ea3i ho\u1eb7c tr\u00e1i, t\u00f9y chi\u1ec1u xo\u1eafn), r\u1ed3i cu\u1ed9n v\u00f2ng xo\u1eafn \u1ed1c \u0111\u00f3 v\u1ec1 \u0111\u1ea7u t\u1ef1 do \u0111\u1ec3 lo\u1ea1i b\u1ecf xo\u1eafn. L\u1eb7p l\u1ea1i cho t\u1eebng ch\u1ed7 xo\u1eafn, sau \u0111\u00f3 neo l\u1ea1i.<\/p><\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"callout\">\n        <span class=\"tag\">Xo\u1eafn c\u00f2n l\u1ea1i<\/span>\n        <div class=\"line\">N\u1ebfu c\u00f2n xo\u1eafn nh\u1eb9 trong l\u1ea7n ch\u1ea1y th\u1eed \u0111\u1ea7u: ch\u1ea1y m\u00e1y \u0111\u1ebfn cu\u1ed1i h\u00e0nh tr\u00ecnh, th\u00e1o neo (c\u1eaft 25\/50 cm c\u00e1p n\u1ebfu c\u1ea7n), lo\u1ea1i b\u1ecf xo\u1eafn, r\u1ed3i neo l\u1ea1i v\u00e0 ki\u1ec3m tra l\u1ea7n cu\u1ed1i. Ch\u00fang t\u00f4i g\u1ee3i \u00fd <strong>v\u1ebd d\u1ea5u tr\u00ean c\u00e1p<\/strong> \u0111\u1ec3 nh\u1eadn bi\u1ebft n\u1ebfu n\u00f3 b\u1eaft \u0111\u1ea7u xo\u1eafn; n\u1ebfu c\u00f3, d\u1eebng h\u1ec7 th\u1ed1ng v\u00e0 t\u00ecm nguy\u00ean nh\u00e2n b\u00ean ngo\u00e0i. L\u01b0u \u00fd: d\u1ea5u v\u1ebd c\u00f3 th\u1ec3 cho th\u1ea5y m\u1ed9t \u0111\u01b0\u1eddng xo\u1eafn \u1ed1c t\u1ef1 nhi\u00ean nh\u1eb9 (r\u00f5 h\u01a1n \u1edf tuy\u1ebfn d\u00e0i) \u2014 \u0111i\u1ec1u n\u00e0y kh\u00f4ng li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 xo\u1eafn.<\/div>\n      <\/div>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 IX<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- IX. Vertical -->\n    <section class=\"section\" id=\"s9\">\n      <div class=\"sec-head\"><span class=\"roman\">IX.<\/span><h2>\u1ee8ng d\u1ee5ng Th\u1eb3ng \u0111\u1ee9ng &#038; Gi\u1ecf<\/h2><\/div>\n      <div class=\"prose\">\n        <p><strong>Neo gi\u1eef:<\/strong> l\u1eafp \u0111\u1eb7t tr\u00ean spreader (khung c\u1ea9u container) ho\u1eb7c \u1ee9ng d\u1ee5ng th\u1eb3ng \u0111\u1ee9ng kh\u00e1c c\u1ea7n ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t. C\u00e1c khuy\u1ebfn ngh\u1ecb tr\u01b0\u1edbc (nh\u1ea3 t\u1eeb tang g\u1ed1c; tr\u00e1nh v\u00f2ng l\u1eb7p, xo\u1eafn kh\u00f4ng c\u1ea7n thi\u1ebft; lo\u1ea1i b\u1ecf m\u1ecdi xo\u1eafn) c\u0169ng \u00e1p d\u1ee5ng \u1edf \u0111\u00e2y. Neo gi\u1eef t\u1ed1t nh\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1edbi <strong>tang gi\u1ea3m \u1ee9ng su\u1ea5t<\/strong>: k\u1ebft c\u1ea5u \u0111\u1ea7u h\u1edf gi\u00fap l\u1eafp \u0111\u1eb7t v\u00e0 thay th\u1ebf d\u1ec5 d\u00e0ng, \u0111\u1ed3ng th\u1eddi gi\u1ea3m \u1ee9ng su\u1ea5t v\u00e0 b\u1ea3o v\u1ec7 v\u1ecf t\u1ed1t h\u01a1n k\u1eb9p c\u00e1p \u2014 tr\u01b0\u1eddng h\u1ee3p n\u00e0y n\u00ean qu\u1ea5n \u00edt nh\u1ea5t <strong>2 v\u00f2ng<\/strong>. N\u1ebfu d\u00f9ng k\u1eb9p, \u0111\u1ed9 \u00f4m khuy\u1ebfn ngh\u1ecb l\u00e0 <strong>20\/25 \u00d7 OD<\/strong>.<\/p>\n        <p><strong>C\u1ed1 \u0111\u1ecbnh \u0111\u1ea7u d\u01b0\u1edbi:<\/strong> khi c\u1ea7n, c\u1ed1 \u0111\u1ecbnh \u0111\u1ea7u d\u01b0\u1edbi b\u1eb1ng k\u1eb9p ph\u00f9 h\u1ee3p; \u0111\u1ed9 \u00f4m v\u1ecf gi\u1ed1ng nh\u01b0 neo gi\u1eef (20\/25 \u00d7 OD). Kho\u1ea3ng c\u00e1ch t\u1eeb \u0111\u1ea7u thi\u1ebft b\u1ecb neo \u0111\u1ebfn cu\u1ed1i h\u00e0nh tr\u00ecnh m\u00e1y n\u00ean \u00edt nh\u1ea5t <strong>40 \u00d7 OD<\/strong>. N\u1ebfu d\u1ef1 ki\u1ebfn c\u00f3 \u1ee9ng su\u1ea5t \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean g\u1ea7n \u0111i\u1ec3m neo, c\u00f3 th\u1ec3 d\u00f9ng l\u00f2 xo.<\/p>\n      <\/div>\n\n      <div class=\"callout\">\n        <span class=\"tag\">Cu\u1ed9n trong gi\u1ecf<\/span>\n        <div class=\"line\">\u1ee8ng d\u1ee5ng gi\u1ecf \u1ee9ng su\u1ea5t cao (\u0111o\u1ea1n th\u1eb3ng \u0111\u1ee9ng d\u00e0i, l\u00ean\/xu\u1ed1ng t\u1ed1c \u0111\u1ed9 cao, gi\u00f3 m\u1ea1nh) y\u00eau c\u1ea7u <strong>\u0111\u01b0\u1eddng k\u00ednh cu\u1ed9n kh\u00f4ng nh\u1ecf h\u01a1n 1,5 m<\/strong>, v\u1edbi m\u1ed9t n\u00f3n d\u1eabn h\u01b0\u1edbng \u0111\u1eb7t \u1edf gi\u1eefa \u0111\u1ec3 cu\u1ed9n \u0111\u1ec1u. V\u1edbi \u0111\u1ed9 n\u00e2ng cao v\u00e0 t\u1ed1c \u0111\u1ed9 cao, khuy\u1ebfn ngh\u1ecb chi\u1ec1u cao gi\u1ecf \u00edt nh\u1ea5t 2 m v\u00e0 mi\u1ec7ng gi\u1ecf h\u00ecnh c\u00f4n. C\u00e1p n\u00ean \u0111\u01b0\u1ee3c x\u1ebfp t\u1eeb \u0111\u00e1y gi\u1ecf theo <strong>chi\u1ec1u ng\u01b0\u1ee3c kim \u0111\u1ed3ng h\u1ed3<\/strong>, b\u1eaft \u0111\u1ea7u t\u1eeb l\u1edbp ngo\u00e0i c\u1ee7a tang g\u1ed1c.<\/div>\n      <\/div>\n    <\/section>\n\n    <!-- PART 2 -->\n    <div class=\"part-banner\">\n      <div class=\"pt\">Ph\u1ea7n 2 \u00b7 \u0110i\u1ec7n<\/div>\n      <h2>Ph\u1ea7n 2 \u00b7 \u0110i\u1ec7n<\/h2>\n    <\/div>\n\n    <!-- X. Voltage -->\n    <section class=\"section\" id=\"e1\">\n      <div class=\"sec-head\"><span class=\"roman\">X.<\/span><h2>\u0110\u1ecbnh ngh\u0129a \u0110i\u1ec7n \u00e1p<\/h2><\/div>\n      <div class=\"prose\">\n        <p><strong>\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c<\/strong> l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 thi\u1ebft k\u1ebf v\u00e0 th\u1eed nghi\u1ec7m \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n c\u1ee7a c\u00e1p, bi\u1ec3u th\u1ecb b\u1eb1ng hai gi\u00e1 tr\u1ecb \u0111i\u1ec7n \u00e1p t\u1ea7n s\u1ed1 c\u00f4ng nghi\u1ec7p <strong>U\u2080\/U<\/strong>: U\u2080 l\u00e0 gi\u00e1 tr\u1ecb hi\u1ec7u d\u1ee5ng gi\u1eefa m\u1ed9t ru\u1ed9t d\u1eabn v\u00e0 \u0111\u1ea5t, U l\u00e0 gi\u00e1 tr\u1ecb hi\u1ec7u d\u1ee5ng gi\u1eefa hai ru\u1ed9t d\u1eabn. Trong h\u1ec7 th\u1ed1ng xoay chi\u1ec1u (AC), \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u00e1p ph\u1ea3i \u00edt nh\u1ea5t b\u1eb1ng \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c c\u1ee7a h\u1ec7 th\u1ed1ng \u2014 cho c\u1ea3 U\u2080 v\u00e0 U. Trong h\u1ec7 th\u1ed1ng m\u1ed9t chi\u1ec1u (DC), \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 1,5 l\u1ea7n gi\u00e1 tr\u1ecb \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u00e1p.<\/p>\n        <p><strong>\u0110i\u1ec7n \u00e1p v\u1eadn h\u00e0nh<\/strong> l\u00e0 \u0111i\u1ec7n \u00e1p \u0111\u1eb7t gi\u1eefa ru\u1ed9t d\u1eabn v\u00e0 \u0111\u1ea5t khi v\u1eadn h\u00e0nh kh\u00f4ng s\u1ef1 c\u1ed1. V\u1edbi c\u00e1p \u0111\u1ebfn U\u2080\/U 0,6\/1 kV, \u0111i\u1ec7n \u00e1p v\u1eadn h\u00e0nh li\u00ean t\u1ee5c t\u1ed1i \u0111a kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb \u0111\u1ecbnh m\u1ee9c h\u01a1n +10 % (\u0111\u1ebfn 450\/750 V) ho\u1eb7c +20 % (0,6\/1 kV). V\u1edbi c\u00e1p tr\u00ean 0,6\/1 kV, kh\u00f4ng qu\u00e1 +20 %. <strong>\u0110i\u1ec7n \u00e1p th\u1eed nghi\u1ec7m<\/strong> theo c\u00e1c ph\u1ea7n li\u00ean quan c\u1ee7a DIN VDE 0250; \u0111\u1ecbnh ngh\u0129a \u0111i\u1ec7n \u00e1p theo DIN VDE 0298 Ph\u1ea7n 3.<\/p>\n      <\/div>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 XI<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- XI. Current -->\n    <section class=\"section\" id=\"e2\">\n      <div class=\"sec-head\"><span class=\"roman\">XI.<\/span><h2>Kh\u1ea3 n\u0103ng T\u1ea3i d\u00f2ng (Li\u00ean t\u1ee5c)<\/h2><\/div>\n      <div class=\"prose\">\n        <p>Kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng v\u00e0 h\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m d\u01b0\u1edbi \u0111\u00e2y d\u1ef1a tr\u00ean <strong>DIN VDE 0298-4<\/strong>. M\u1eb7c d\u00f9 c\u00e1p di \u0111\u1ed9ng th\u01b0\u1eddng c\u00e1ch \u0111i\u1ec7n EPR\/cao su (cho ph\u00e9p 90 \u00b0C li\u00ean t\u1ee5c), c\u00e1c gi\u00e1 tr\u1ecb \u1edf \u0111\u00e2y t\u00ednh cho nhi\u1ec7t \u0111\u1ed9 ru\u1ed9t d\u1eabn <strong>80 \u00b0C<\/strong> \u2014 v\u1eeba \u0111\u1ec3 tu\u00e2n theo VDE v\u1eeba l\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba do lo\u1ea1i c\u00e1p n\u00e0y t\u1ea3n nhi\u1ec7t kh\u00f3 h\u01a1n. C\u00e1c gi\u00e1 tr\u1ecb \u00e1p d\u1ee5ng cho c\u00e1p ba ru\u1ed9t (c\u00f3 ho\u1eb7c kh\u00f4ng c\u00f3 ru\u1ed9t \u0111\u1ea5t), kh\u00f4ng qu\u1ea5n, \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t, kh\u00f4ng kh\u00ed m\u00f4i tr\u01b0\u1eddng 30 \u00b0C. N\u01a1i bi\u1ebft r\u00f5 tu\u1ed5i th\u1ecd c\u00e1p b\u1ecb gi\u1ea3m do \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc cao ho\u1eb7c m\u00e0i m\u00f2n v\u1ecf, l\u00e3o h\u00f3a nhi\u1ec7t \u00edt quan tr\u1ecdng h\u01a1n, v\u00e0 c\u00f3 th\u1ec3 x\u00e9t 90 \u00b0C, t\u0103ng c\u00e1c gi\u00e1 tr\u1ecb kho\u1ea3ng 7 %.<\/p>\n      <\/div>\n\n      <div class=\"table-wrap\">\n        <table class=\"spec\">\n          <caption>Kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng (c\u00e1p \u2264 10 kV, li\u00ean t\u1ee5c), A<span class=\"src\">DIN VDE 0298-4 \u00b7 ru\u1ed9t d\u1eabn 80\u00b0C \u00b7 m\u00f4i tr\u01b0\u1eddng 30\u00b0C \u00b7 3 ru\u1ed9t<\/span><\/caption>\n          <thead>\n            <tr><th>Ti\u1ebft di\u1ec7n<span class=\"u\">mm\u00b2<\/span><\/th><th>Tr\u00ean \u0111\u1ea5t<span class=\"u\">A<\/span><\/th><th>Treo trong kh\u00f4ng kh\u00ed<span class=\"u\">A<\/span><\/th><th>Qu\u1ea5n, 1 l\u1edbp<span class=\"u\">\u00d70.8<\/span><\/th><th>Qu\u1ea5n, 3 l\u1edbp<span class=\"u\">\u00d70.49<\/span><\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td class=\"lead\">16<\/td><td>99<\/td><td>104<\/td><td>79<\/td><td>49<\/td><\/tr>\n            <tr><td class=\"lead\">25<\/td><td>131<\/td><td>138<\/td><td>105<\/td><td>64<\/td><\/tr>\n            <tr><td class=\"lead\">35<\/td><td>162<\/td><td>170<\/td><td>130<\/td><td>79<\/td><\/tr>\n            <tr><td class=\"lead\">50<\/td><td>202<\/td><td>212<\/td><td>162<\/td><td>99<\/td><\/tr>\n            <tr><td class=\"lead\">70<\/td><td>250<\/td><td>263<\/td><td>200<\/td><td>123<\/td><\/tr>\n            <tr><td class=\"lead\">95<\/td><td>301<\/td><td>316<\/td><td>241<\/td><td>147<\/td><\/tr>\n            <tr><td class=\"lead\">120<\/td><td>352<\/td><td>370<\/td><td>282<\/td><td>172<\/td><\/tr>\n            <tr><td class=\"lead\">150<\/td><td>404<\/td><td>424<\/td><td>323<\/td><td>198<\/td><\/tr>\n            <tr><td class=\"lead\">185<\/td><td>461<\/td><td>484<\/td><td>369<\/td><td>226<\/td><\/tr>\n            <tr><td class=\"lead\">240<\/td><td>540<\/td><td>567<\/td><td>432<\/td><td>265<\/td><\/tr>\n            <tr><td class=\"lead\">300<\/td><td>620<\/td><td>651<\/td><td>496<\/td><td>304<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p class=\"tbl-note\">L\u01b0u \u00fd: c\u00e1c gi\u00e1 tr\u1ecb l\u00e0 kh\u1ea3 n\u0103ng t\u1ea3i ti\u00eau chu\u1ea9n DIN VDE 0298-4. C\u00e1c c\u1ed9t &#8220;qu\u1ea5n&#8221; \u0111\u00e3 bao g\u1ed3m h\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m nhi\u1ec1u l\u1edbp. V\u1eadn h\u00e0nh kh\u00f4ng li\u00ean t\u1ee5c th\u01b0\u1eddng cho hi\u1ec7u su\u1ea5t c\u00e1p t\u1ed1t h\u01a1n (xem ch\u1ebf \u0111\u1ed9 gi\u00e1n \u0111o\u1ea1n). T\u1ea3n nhi\u1ec7t khi qu\u1ea5n nhi\u1ec1u l\u1edbp k\u00e9m h\u01a1n nhi\u1ec1u so v\u1edbi tr\u00ean m\u1eb7t \u0111\u1ea5t \u2014 lu\u00f4n \u00e1p d\u1ee5ng h\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m ph\u00f9 h\u1ee3p khi l\u1ef1a ch\u1ecdn.<\/p>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 XII<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- XII. Derating -->\n    <section class=\"section\" id=\"e3\">\n      <div class=\"sec-head\"><span class=\"roman\">XII.<\/span><h2>H\u1ec7 s\u1ed1 Chi\u1ebft gi\u1ea3m<\/h2><\/div>\n      <div class=\"prose\"><p>H\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m t\u00ednh \u0111\u1ebfn \u0111i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh (nhi\u1ec7t \u0111\u1ed9, gom nh\u00f3m, ch\u1ebf \u0111\u1ed9 chu k\u1ef3 gi\u00e1n \u0111o\u1ea1n, s\u1ed1 ru\u1ed9t mang t\u1ea3i \u0111\u1ed3ng th\u1eddi) v\u00e0 \u0111\u01b0\u1ee3c d\u00f9ng c\u00f9ng v\u1edbi kh\u1ea3 n\u0103ng t\u1ea3i \u1edf tr\u00ean.<\/p><\/div>\n\n      <div class=\"table-wrap\">\n        <table class=\"spec\">\n          <caption>Chi\u1ebft gi\u1ea3m \u00b7 s\u1ed1 l\u1edbp tr\u00ean tang<span class=\"src\">DIN VDE 0298-4<\/span><\/caption>\n          <thead><tr><th>S\u1ed1 l\u1edbp<\/th><th>1<\/th><th>2<\/th><th>3<\/th><th>4<\/th><th>5<\/th><th>6<\/th><th>7<\/th><\/tr><\/thead>\n          <tbody><tr><td class=\"lead\">H\u1ec7 s\u1ed1<\/td><td class=\"hl\">0.80<\/td><td class=\"hl\">0.61<\/td><td class=\"hl\">0.49<\/td><td>0.42<\/td><td>0.34<\/td><td>0.27<\/td><td>0.22<\/td><\/tr><\/tbody>\n        <\/table>\n      <\/div>\n      <div class=\"table-wrap\">\n        <table class=\"spec\">\n          <caption>Chi\u1ebft gi\u1ea3m \u00b7 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng<span class=\"src\">DIN VDE 0298-4 \u00b7 so v\u1edbi 30\u00b0C<\/span><\/caption>\n          <thead><tr><th>\u00b0C<\/th><th>10<\/th><th>20<\/th><th>30<\/th><th>40<\/th><th>50<\/th><th>60<\/th><th>70<\/th><\/tr><\/thead>\n          <tbody><tr><td class=\"lead\">H\u1ec7 s\u1ed1<\/td><td>1.18<\/td><td>1.10<\/td><td class=\"hl\">1.00<\/td><td>0.89<\/td><td>0.77<\/td><td>0.63<\/td><td>0.45<\/td><\/tr><\/tbody>\n        <\/table>\n      <\/div>\n      <div class=\"table-wrap\">\n        <table class=\"spec\">\n          <caption>Chi\u1ebft gi\u1ea3m \u00b7 s\u1ed1 ru\u1ed9t mang t\u1ea3i \u0111\u1ed3ng th\u1eddi (\u226410mm\u00b2)<span class=\"src\">DIN VDE 0298-4<\/span><\/caption>\n          <thead><tr><th>S\u1ed1 ru\u1ed9t<\/th><th>5<\/th><th>7<\/th><th>12<\/th><th>18<\/th><th>24<\/th><th>30<\/th><th>36<\/th><th>61<\/th><\/tr><\/thead>\n          <tbody><tr><td class=\"lead\">H\u1ec7 s\u1ed1<\/td><td>0.75<\/td><td>0.65<\/td><td>0.53<\/td><td>0.44<\/td><td>0.40<\/td><td>0.37<\/td><td>0.36<\/td><td>0.30<\/td><\/tr><\/tbody>\n        <\/table>\n      <\/div>\n      <p class=\"tbl-note\">L\u01b0u \u00fd: kh\u1ea3 n\u0103ng t\u1ea3i cu\u1ed1i c\u00f9ng = kh\u1ea3 n\u0103ng t\u1ea3i ti\u00eau chu\u1ea9n \u00d7 t\u00edch c\u1ee7a t\u1ea5t c\u1ea3 h\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m \u00e1p d\u1ee5ng. C\u00e1p cu\u1ed9n th\u01b0\u1eddng c\u1ea7n c\u1ea3 h\u1ec7 s\u1ed1 l\u1edbp v\u00e0 h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng; c\u00e1p \u0111i\u1ec1u khi\u1ec3n nhi\u1ec1u ru\u1ed9t c\u00f2n c\u1ea7n h\u1ec7 s\u1ed1 s\u1ed1 ru\u1ed9t.<\/p>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 XIII<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- XIII. Intermittent -->\n    <section class=\"section\" id=\"e4\">\n      <div class=\"sec-head\"><span class=\"roman\">XIII.<\/span><h2>Ch\u1ebf \u0111\u1ed9 Gi\u00e1n \u0111o\u1ea1n<\/h2><\/div>\n      <div class=\"prose\">\n        <p>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, v\u1eadn h\u00e0nh kh\u00f4ng li\u00ean t\u1ee5c. M\u1ed9t chu k\u1ef3 gi\u00e1n \u0111o\u1ea1n \u0111i\u1ec3n h\u00ecnh v\u1edbi thi\u1ebft b\u1ecb n\u00e2ng, v\u00ed d\u1ee5, 10 ph\u00fat \u0111\u1ea7y t\u1ea3i sau \u0111\u00f3 l\u00e0 kho\u1ea3ng th\u1eddi gian kh\u00f4ng t\u1ea3i d\u00e0i h\u01a1n. 10 ph\u00fat n\u00e0y t\u00ednh theo ph\u1ea7n tr\u0103m c\u1ee7a t\u1ed5ng chu k\u1ef3 DT cho <strong>h\u1ec7 s\u1ed1 t\u1ea3i FC %<\/strong>. V\u1edbi ch\u1ebf \u0111\u1ed9 gi\u00e1n \u0111o\u1ea1n, kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng c\u00f3 th\u1ec3 t\u0103ng t\u01b0\u01a1ng \u1ee9ng.<\/p>\n      <\/div>\n      <div class=\"formula\">\n        <div class=\"ftitle\">H\u1ec7 s\u1ed1 t\u1ea3i<\/div>\n        <div class=\"eq\"><span class=\"v\">FC%<\/span> = (10 min \/ DT) \u00d7 100<\/div>\n        <div class=\"where\"><b>DT<\/b> \u2014 t\u1ed5ng th\u1eddi gian chu k\u1ef3 &nbsp;\u00b7&nbsp; 10 ph\u00fat \u2014 giai \u0111o\u1ea1n \u0111\u1ea7y t\u1ea3i<\/div>\n      <\/div>\n      <div class=\"table-wrap\">\n        <table class=\"spec\">\n          <caption>H\u1ec7 s\u1ed1 hi\u1ec7u ch\u1ec9nh cho v\u1eadn h\u00e0nh gi\u00e1n \u0111o\u1ea1n (ti\u1ebft di\u1ec7n ch\u1ecdn l\u1ecdc)<span class=\"src\">D\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n VDE \u00b7 ti\u1ebft di\u1ec7n mm\u00b2<\/span><\/caption>\n          <thead><tr><th>H\u1ec7 s\u1ed1 t\u1ea3i FC%<\/th><th>25<\/th><th>50<\/th><th>95<\/th><th>150<\/th><th>240<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td class=\"lead\">60%<\/td><td>1.10<\/td><td>1.16<\/td><td>1.20<\/td><td>1.22<\/td><td>1.24<\/td><\/tr>\n            <tr><td class=\"lead\">40%<\/td><td>1.23<\/td><td>1.34<\/td><td>1.42<\/td><td>1.46<\/td><td>1.49<\/td><\/tr>\n            <tr><td class=\"lead\">25%<\/td><td>1.45<\/td><td>1.62<\/td><td>1.74<\/td><td>1.81<\/td><td>1.85<\/td><\/tr>\n            <tr><td class=\"lead\">20%<\/td><td>1.59<\/td><td>1.79<\/td><td>1.93<\/td><td>2.01<\/td><td>2.10<\/td><\/tr>\n            <tr><td class=\"lead\">15%<\/td><td>1.79<\/td><td>2.03<\/td><td>2.21<\/td><td>2.30<\/td><td>2.36<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p class=\"tbl-note\">L\u01b0u \u00fd: h\u1ec7 s\u1ed1 t\u1ea3i c\u00e0ng th\u1ea5p v\u00e0 ti\u1ebft di\u1ec7n c\u00e0ng l\u1edbn th\u00ec m\u1ee9c t\u0103ng cho ph\u00e9p c\u00e0ng l\u1edbn. B\u1ea3ng h\u1ec7 s\u1ed1 \u0111\u1ea7y \u0111\u1ee7 bao g\u1ed3m nhi\u1ec1u ti\u1ebft di\u1ec7n v\u00e0 h\u1ec7 s\u1ed1 t\u1ea3i h\u01a1n \u2014 li\u00ean h\u1ec7 b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt FeiChun \u0111\u1ec3 t\u00ednh to\u00e1n c\u1ee5 th\u1ec3.<\/p>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 XIV<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- XIV. Voltage drop -->\n    <section class=\"section\" id=\"e5\">\n      <div class=\"sec-head\"><span class=\"roman\">XIV.<\/span><h2>S\u1ee5t \u00e1p Ba pha<\/h2><\/div>\n      <div class=\"prose\"><p>S\u1ee5t \u00e1p c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra kh\u00f4ng ch\u1ec9 v\u1edbi h\u1ea1 th\u1ebf m\u00e0 c\u1ea3 v\u1edbi k\u1ebft n\u1ed1i trung th\u1ebf n\u01a1i chi\u1ec1u d\u00e0i l\u1edbn. N\u00f3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch nh\u00e2n h\u1ec7 s\u1ed1 c\u00e1p K (mV\/A\u00b7m) v\u1edbi d\u00f2ng \u0111i\u1ec7n v\u00e0 chi\u1ec1u d\u00e0i tuy\u1ebfn.<\/p><\/div>\n      <div class=\"formula\">\n        <div class=\"ftitle\">S\u1ee5t \u00e1p ba pha<\/div>\n        <div class=\"eq\">\u0394<span class=\"v\">V<\/span> = I \u00d7 L \u00d7 K\u3000|\u3000K = 1.73 \u00d7 (R\u00b7cos\u03c6 + X\u00b7sin\u03c6)<\/div>\n        <div class=\"where\"><b>\u0394V<\/b> \u2014 s\u1ee5t \u00e1p, V &nbsp;\u00b7&nbsp; <b>I<\/b> \u2014 d\u00f2ng \u0111i\u1ec7n, A &nbsp;\u00b7&nbsp; <b>L<\/b> \u2014 chi\u1ec1u d\u00e0i, km<br><b>R<\/b> \u2014 \u0111i\u1ec7n tr\u1edf AC \u1edf 80 \u00b0C, \u03a9\/km &nbsp;\u00b7&nbsp; <b>X<\/b> \u2014 \u0111i\u1ec7n kh\u00e1ng \u1edf 50 Hz, \u03a9\/km<br>\u1ede 90 \u00b0C: R \u00d7 1,03 &nbsp;|&nbsp; \u1edf 60 Hz: X \u00d7 1,2, t\u00ednh l\u1ea1i K<\/div>\n      <\/div>\n      <div class=\"table-wrap\">\n        <table class=\"spec\">\n          <caption>\u0110i\u1ec7n tr\u1edf, \u0111i\u1ec7n kh\u00e1ng v\u00e0 h\u1ec7 s\u1ed1 s\u1ee5t \u00e1p K<span class=\"src\">R \u1edf 80\u00b0C \u00b7 X \u1edf 50Hz \u00b7 3 ru\u1ed9t \u00b7 cos\u03c6=0.8<\/span><\/caption>\n          <thead><tr><th>Ti\u1ebft di\u1ec7n<span class=\"u\">mm\u00b2<\/span><\/th><th>R<span class=\"u\">\u03a9\/km<\/span><\/th><th>X<span class=\"u\">\u03a9\/km<\/span><\/th><th>K<span class=\"u\">mV\/A\u00b7m<\/span><\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td class=\"lead\">25<\/td><td>0.983<\/td><td>0.078<\/td><td class=\"hl\">1.441<\/td><\/tr>\n            <tr><td class=\"lead\">50<\/td><td>0.486<\/td><td>0.075<\/td><td class=\"hl\">0.750<\/td><\/tr>\n            <tr><td class=\"lead\">70<\/td><td>0.343<\/td><td>0.073<\/td><td class=\"hl\">0.551<\/td><\/tr>\n            <tr><td class=\"lead\">95<\/td><td>0.261<\/td><td>0.072<\/td><td class=\"hl\">0.436<\/td><\/tr>\n            <tr><td class=\"lead\">120<\/td><td>0.204<\/td><td>0.071<\/td><td class=\"hl\">0.356<\/td><\/tr>\n            <tr><td class=\"lead\">150<\/td><td>0.165<\/td><td>0.071<\/td><td class=\"hl\">0.302<\/td><\/tr>\n            <tr><td class=\"lead\">185<\/td><td>0.136<\/td><td>0.071<\/td><td class=\"hl\">0.262<\/td><\/tr>\n            <tr><td class=\"lead\">240<\/td><td>0.104<\/td><td>0.070<\/td><td class=\"hl\">0.217<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p class=\"tbl-note\">L\u01b0u \u00fd: R l\u00e0 \u0111i\u1ec7n tr\u1edf AC \u1edf 80 \u00b0C; X l\u00e0 \u0111i\u1ec7n kh\u00e1ng \u1edf 50 Hz cho c\u00e1p ba ru\u1ed9t (tr\u00f2n, 3 ru\u1ed9t + 3 \u0111\u1ea5t; c\u0169ng \u00e1p d\u1ee5ng g\u1ea7n \u0111\u00fang cho c\u00e1p d\u1eb9t). K \u0111\u01b0\u1ee3c t\u00ednh cho cos\u03c6 = 0,8. \u1ede 90 \u00b0C nh\u00e2n R v\u1edbi 1,03; \u1edf 60 Hz nh\u00e2n X v\u1edbi 1,2 v\u00e0 t\u00ednh l\u1ea1i K. C\u00e1c gi\u00e1 tr\u1ecb d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 \u0111i\u1ec7n theo ti\u00eau chu\u1ea9n c\u00f4ng khai.<\/p>\n    <\/section>\n\n    <div class=\"divider\"><span class=\"ln\"><\/span><span class=\"rn\">\u00a7 XV<\/span><span class=\"ln\"><\/span><\/div>\n\n    <!-- XV. Short circuit -->\n    <section class=\"section\" id=\"e6\">\n      <div class=\"sec-head\"><span class=\"roman\">XV.<\/span><h2>Gi\u1edbi h\u1ea1n Nhi\u1ec7t Ng\u1eafn m\u1ea1ch<\/h2><\/div>\n      <div class=\"prose\"><p>Theo VDE 0250, <strong>gi\u1edbi h\u1ea1n nhi\u1ec7t<\/strong> cho ph\u00e9p \u0111\u1ed1i v\u1edbi d\u00f2ng ng\u1eafn m\u1ea1ch trong c\u00e1p di \u0111\u1ed9ng ch\u1ecbu t\u1ea3i n\u1eb7ng \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb c\u00e1c gi\u00e1 tr\u1ecb tham chi\u1ebfu: nhi\u1ec7t \u0111\u1ed9 ban \u0111\u1ea7u 80 \u00b0C (c\u00e1p \u0111\u1ea7y t\u1ea3i), nhi\u1ec7t \u0111\u1ed9 ng\u1eafn m\u1ea1ch cu\u1ed1i 200 \u00b0C. B\u1ea3ng \u0111\u01b0a ra gi\u1edbi h\u1ea1n nhi\u1ec7t m\u1ed9t gi\u00e2y. V\u1edbi c\u00e1c kho\u1ea3ng th\u1eddi gian kh\u00e1c, chia cho c\u0103n b\u1eadc hai c\u1ee7a th\u1eddi gian hi\u1ec7u d\u1ee5ng t\u00ednh b\u1eb1ng gi\u00e2y.<\/p><\/div>\n      <div class=\"table-wrap\">\n        <table class=\"spec\">\n          <caption>D\u00f2ng ng\u1eafn m\u1ea1ch \u2014 gi\u1edbi h\u1ea1n nhi\u1ec7t (1 gi\u00e2y), kA<span class=\"src\">VDE 0250 \u00b7 80\u00b0C \u2192 200\u00b0C \u00b7 \u00e1p d\u1ee5ng cho m\u1ecdi \u0111i\u1ec7n \u00e1p<\/span><\/caption>\n          <thead><tr><th>Ti\u1ebft di\u1ec7n mm\u00b2<\/th><th>16<\/th><th>25<\/th><th>35<\/th><th>50<\/th><th>70<\/th><th>95<\/th><th>120<\/th><th>150<\/th><th>185<\/th><th>240<\/th><\/tr><\/thead>\n          <tbody><tr><td class=\"lead\">kA (1s)<\/td><td>2.06<\/td><td>3.22<\/td><td>4.50<\/td><td>6.43<\/td><td>9.00<\/td><td>12.2<\/td><td>15.4<\/td><td>19.3<\/td><td>23.8<\/td><td>31.0<\/td><\/tr><\/tbody>\n        <\/table>\n      <\/div>\n      <p class=\"tbl-note\">L\u01b0u \u00fd: c\u00e1c gi\u00e1 tr\u1ecb t\u00ednh cho c\u01a1 s\u1edf 1 gi\u00e2y. V\u1edbi th\u1eddi gian kh\u00e1c t (gi\u00e2y), gi\u1edbi h\u1ea1n ng\u1eafn m\u1ea1ch = gi\u00e1 tr\u1ecb b\u1ea3ng \u00f7 \u221at. V\u1edbi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea7u\/cu\u1ed1i kh\u00e1c (v\u00ed d\u1ee5 EPR cho ph\u00e9p 90 \u00b0C \u2192 250 \u00b0C), t\u00ednh l\u1ea1i v\u1edbi h\u1ec7 s\u1ed1 k theo VDE 0250: I = k \u00d7 ti\u1ebft di\u1ec7n \/ \u221at. Lu\u00f4n ki\u1ec3m tra v\u1edbi \u0111\u1eb7c t\u00ednh c\u1ee7a thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7.<\/p>\n      <div class=\"callout\">\n        <span class=\"tag\">Quy \u0111\u1ed5i th\u1eddi gian<\/span>\n        <div class=\"line\">Gi\u1edbi h\u1ea1n nhi\u1ec7t ph\u1ee5 thu\u1ed9c th\u1eddi gian: gi\u00e1 tr\u1ecb 1 gi\u00e2y d\u00f9ng \u1edf 0,25 s cho gi\u00e1 tr\u1ecb b\u1ea3ng \u00f7 \u221a0,25 = b\u1ea3ng \u00d7 2. V\u00ed d\u1ee5, 95 mm\u00b2 \u1edf 0,25 s ch\u1ecbu \u0111\u01b0\u1ee3c kho\u1ea3ng 12,2 \u00d7 2 = 24,4 kA. B\u1ea3o v\u1ec7 t\u00e1c \u0111\u1ed9ng c\u00e0ng nhanh th\u00ec d\u00f2ng ng\u1eafn m\u1ea1ch ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e0ng cao.<\/div>\n      <\/div>\n    <\/section>\n\n    <!-- FAQ -->\n    <div class=\"part-banner\" id=\"faq\">\n      <div class=\"pt\">FAQ \u00b7 C\u00e2u h\u1ecfi hi\u1ec7n tr\u01b0\u1eddng<\/div>\n      <h2>FAQ K\u1ef9 s\u01b0<\/h2>\n    <\/div>\n\n    <section class=\"section\">\n      <details class=\"qa\"><summary><span class=\"qmark\">Q1.<\/span><span>M\u1ed9t ru\u1ed9t d\u1eabn li\u00ean t\u1ee5c \u0111\u1ee9t t\u1ea1i c\u00f9ng m\u1ed9t ch\u1ed7 ngay sau khi v\u1eadn h\u00e0nh \u2014 v\u00ec sao?<\/span><span class=\"arr\">\u203a<\/span><\/summary>\n        <div class=\"ans\"><p>\u0110\u1ee9t l\u1eb7p l\u1ea1i t\u1ea1i m\u1ed9t v\u1ecb tr\u00ed th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb <strong>b\u00e1n k\u00ednh qu\u00e1 nh\u1ecf, ho\u1eb7c thay \u0111\u1ed5i b\u00e1n k\u00ednh \u0111\u1ed9t ng\u1ed9t, t\u1ea1i \u0111i\u1ec3m \u0111\u00f3<\/strong>. Ki\u1ec3m tra: (1) g\u00f3c cung kh\u00f4ng \u0111\u1ee7 tr\u00ean puli\/con l\u0103n d\u1eabn h\u01b0\u1edbng t\u1ea1i \u0111\u00f3, g\u00e2y \u00e1p l\u1ef1c c\u1ee5c b\u1ed9 qu\u00e1 m\u1ee9c; (2) b\u1ed9 d\u1eabn h\u01b0\u1edbng l\u1ec7ch so v\u1edbi m\u1eb7t ph\u1eb3ng nh\u1ea3 c\u00e1p, th\u00eam xo\u1eafn; (3) kho\u1ea3ng c\u00e1ch \u0111\u1ed5i h\u01b0\u1edbng d\u01b0\u1edbi 20 \u00d7 OD, khi\u1ebfn c\u00e1p u\u1ed1n l\u1ea1i tr\u01b0\u1edbc khi ph\u1ee5c h\u1ed3i. \u0110\u1ed1i chi\u1ebfu \u0111i\u1ec3m \u0111\u00f3 v\u1edbi b\u1ea3ng b\u00e1n k\u00ednh u\u1ed1n, r\u1ed3i ki\u1ec3m tra \u0111\u1ed9 th\u1eb3ng h\u00e0ng c\u1ee7a b\u1ed9 d\u1eabn h\u01b0\u1edbng v\u00e0 kho\u1ea3ng c\u00e1ch \u0111\u1ed5i h\u01b0\u1edbng.<\/p><\/div>\n      <\/details>\n      <details class=\"qa\"><summary><span class=\"qmark\">Q2.<\/span><span>C\u00e1p c\u1ee9 qu\u1ea5n l\u1ecfng \/ ch\u1ed3ng \u0111\u1ed1ng kh\u00f4ng \u0111\u1ec1u tr\u00ean tang \u2014 kh\u1eafc ph\u1ee5c th\u1ebf n\u00e0o?<\/span><span class=\"arr\">\u203a<\/span><\/summary>\n        <div class=\"ans\"><p>Qu\u1ea5n l\u1ecfng v\u00e0 ch\u1ed3ng \u0111\u1ed1ng kh\u00f4ng \u0111\u1ec1u th\u01b0\u1eddng cho th\u1ea5y <strong>s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch gi\u1eefa h\u1ec7 th\u1ed1ng qu\u1ea5n v\u00e0 c\u00e1p<\/strong>. Nguy\u00ean nh\u00e2n kh\u1ea3 d\u0129: (1) tang qu\u1ea5n ng\u1eabu nhi\u00ean d\u00f9ng v\u01b0\u1ee3t ph\u1ea1m vi (ng\u1eabu nhi\u00ean ch\u1ec9 cho \u2264 250 m, &lt; 4 kg\/m, \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf); (2) t\u1ef7 l\u1ec7 \u0111\u01b0\u1eddng k\u00ednh trong\/ngo\u00e0i k\u00e9m, ki\u1ec3m so\u00e1t l\u1ef1c c\u0103ng t\u1ec7; (3) kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 thi\u1ebfu c\u0103ng, n\u00ean c\u00e1p t\u1ef1 tu\u1ed9t; (4) tang xo\u1eafn \u0111\u01a1n kh\u00f4ng duy tr\u00ec l\u1ef1c c\u0103ng kh\u00f4ng \u0111\u1ed5i. Ki\u1ec3m tra lo\u1ea1i tang c\u00f3 kh\u1edbp v\u1edbi \u0111\u01b0\u1eddng k\u00ednh\/chi\u1ec1u d\u00e0i\/kh\u1ed1i l\u01b0\u1ee3ng c\u00e1p kh\u00f4ng v\u00e0 b\u1ea3o v\u1ec7 l\u1ef1c c\u0103ng \u0111\u00e3 c\u00f3 ch\u01b0a. V\u1edbi \u0111\u01b0\u1eddng k\u00ednh l\u1edbn v\u00e0 chi\u1ec1u d\u00e0i l\u1edbn, chuy\u1ec3n sang tang xo\u1eafn nhi\u1ec1u.<\/p><\/div>\n      <\/details>\n      <details class=\"qa\"><summary><span class=\"qmark\">Q3.<\/span><span>T\u00f4i d\u00f9ng c\u1ed9t kh\u1ea3 n\u0103ng t\u1ea3i n\u00e0o? T\u00f4i th\u1ea5y gi\u00e1 tr\u1ecb tr\u00ean \u0111\u1ea5t, trong kh\u00f4ng kh\u00ed v\u00e0 qu\u1ea5n.<\/span><span class=\"arr\">\u203a<\/span><\/summary>\n        <div class=\"ans\"><p>\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 <strong>t\u1ea3n nhi\u1ec7t th\u1ef1c t\u1ebf khi v\u1eadn h\u00e0nh<\/strong>, kh\u00f4ng ph\u1ea3i kh\u1ea3 n\u0103ng t\u1ea3i t\u0129nh. Khi v\u1eadn h\u00e0nh, ph\u1ea7n l\u1edbn c\u00e1p cu\u1ed9n <strong>\u0111\u01b0\u1ee3c qu\u1ea5n tr\u00ean tang<\/strong>, n\u01a1i qu\u1ea5n nhi\u1ec1u l\u1edbp t\u1ea3n nhi\u1ec7t r\u1ea5t k\u00e9m \u2014 n\u00ean b\u1ea1n ph\u1ea3i d\u00f9ng c\u1ed9t &#8220;qu\u1ea5n&#8221; (chi\u1ebft gi\u1ea3m theo l\u1edbp), kh\u00f4ng d\u00f9ng gi\u00e1 tr\u1ecb tr\u00ean \u0111\u1ea5t hay kh\u00f4ng kh\u00ed, n\u1ebfu kh\u00f4ng s\u1ebd \u01b0\u1edbc l\u01b0\u1ee3ng kh\u1ea3 n\u0103ng t\u1ea3i qu\u00e1 cao v\u00e0 g\u00e2y qu\u00e1 nhi\u1ec7t. C\u00e1ch \u0111\u00fang: l\u1ea5y h\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m cho <strong>s\u1ed1 l\u1edbp t\u1ed1i \u0111a<\/strong> tr\u00ean tang, r\u1ed3i nh\u00e2n v\u1edbi h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng. Ch\u1ec9 \u0111o\u1ea1n c\u00e1p \u0111\u00e3 nh\u1ea3 ho\u00e0n to\u00e0n v\u00e0 \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t m\u1edbi d\u00f9ng gi\u00e1 tr\u1ecb tr\u00ean \u0111\u1ea5t. &#8220;Gi\u1eef thi\u00ean v\u1ec1 an to\u00e0n&#8221; l\u00e0 quy t\u1eafc an to\u00e0n khi ch\u1ecdn c\u00e1p cu\u1ed9n.<\/p><\/div>\n      <\/details>\n      <details class=\"qa\"><summary><span class=\"qmark\">Q4.<\/span><span>C\u00e1p b\u1ecb xo\u1eafn trong l\u1ea7n ch\u1ea1y th\u1eed \u2014 \u0111\u00e2y c\u00f3 ph\u1ea3i l\u1ed7i s\u1ea3n ph\u1ea9m?<\/span><span class=\"arr\">\u203a<\/span><\/summary>\n        <div class=\"ans\"><p>Trong \u0111\u1ea1i \u0111a s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, kh\u00f4ng. C\u00f3 m\u1ed9t \u0111\u1ecbnh lu\u1eadt v\u1eadt l\u00fd: <strong>c\u00e1p \u0111\u01b0\u1ee3c l\u1eafp \u0111\u00fang c\u00e1ch, kh\u00f4ng c\u00f3 xo\u1eafn do b\u1ed9 d\u1eabn h\u01b0\u1edbng hay u\u1ed1n cong b\u1ea5t th\u01b0\u1eddng, th\u00ec kh\u00f4ng th\u1ec3 t\u1ef1 xo\u1eafn.<\/strong> Xo\u1eafn khi ch\u1ea1y th\u1eed h\u1ea7u nh\u01b0 lu\u00f4n ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t: nh\u1ea3 c\u00e1p sai t\u1eeb tang, h\u00ecnh th\u00e0nh kh\u00fac u\u1ed1n &#8220;S&#8221;, b\u1ed9 d\u1eabn h\u01b0\u1edbng l\u1ec7ch, ho\u1eb7c xo\u1eafn kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng khi chuy\u1ec3n c\u00e1p. Kh\u1eafc ph\u1ee5c: lo\u1ea1i b\u1ecf xo\u1eafn b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u00f3ng ho\u1eb7c xo\u1eafn \u1ed1c, ch\u1ea1y \u0111\u1ebfn cu\u1ed1i h\u00e0nh tr\u00ecnh v\u00e0 th\u00e1o neo \u0111\u1ec3 gi\u1ea3i ph\u00f3ng (c\u1eaft 25\/50 cm n\u1ebfu c\u1ea7n), r\u1ed3i neo l\u1ea1i. \u0110\u00e1nh d\u1ea5u c\u00e1p \u0111\u1ec3 quan s\u00e1t. L\u01b0u \u00fd c\u00e1p d\u00e0i c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1eddng xo\u1eafn \u1ed1c t\u1ef1 nhi\u00ean nh\u1eb9, kh\u00f4ng li\u00ean quan \u0111\u1ebfn xo\u1eafn. N\u1ebfu l\u1eb7p l\u1ea1i, t\u00ecm v\u00e0 lo\u1ea1i b\u1ecf ngu\u1ed3n xo\u1eafn b\u00ean ngo\u00e0i.<\/p><\/div>\n      <\/details>\n      <details class=\"qa\"><summary><span class=\"qmark\">Q5.<\/span><span>V\u1ecf c\u00e1p m\u00f2n nhanh \/ n\u00f3ng v\u00e0 m\u1ec1m ra \u2014 \u0111\u00e3 b\u1ecf s\u00f3t g\u00ec khi l\u1ef1a ch\u1ecdn?<\/span><span class=\"arr\">\u203a<\/span><\/summary>\n        <div class=\"ans\"><p>M\u00f2n nhanh ho\u1eb7c qu\u00e1 nhi\u1ec7t-m\u1ec1m ra th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn hai nh\u00f3m v\u1ea5n \u0111\u1ec1. <strong>M\u00f2n:<\/strong> (1) bi\u00ean d\u1ea1ng puli sai (r\u00e3nh ph\u1eb3ng\/qu\u00e1 s\u00e2u) khi\u1ebfn c\u00e1p l\u0103n v\u00e0 xo\u1eafn; (2) ma s\u00e1t c\u1ee9ng gi\u1eefa puli\/b\u1ed9 d\u1eabn h\u01b0\u1edbng v\u00e0 v\u1ecf; (3) \u0111\u01b0\u1eddng k\u00ednh cu\u1ed9n qu\u00e1 nh\u1ecf t\u1ea1i gi\u1ecf ho\u1eb7c \u0111i\u1ec3m \u0111\u1ed5i h\u01b0\u1edbng. <strong>Qu\u00e1 nhi\u1ec7t:<\/strong> (1) d\u00f9ng gi\u00e1 tr\u1ecb tr\u00ean \u0111\u1ea5t\/kh\u00f4ng kh\u00ed thay v\u00ec gi\u00e1 tr\u1ecb qu\u1ea5n, n\u00ean t\u1ea3n nhi\u1ec7t th\u1ef1c kh\u00f4ng \u0111\u1ee7; (2) s\u1ed1 l\u1edbp tr\u00ean tang nhi\u1ec1u h\u01a1n gi\u1ea3 \u0111\u1ecbnh trong t\u00ednh chi\u1ebft gi\u1ea3m; (3) nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u01b0\u1ee3t gi\u00e1 tr\u1ecb thi\u1ebft k\u1ebf m\u00e0 kh\u00f4ng chi\u1ebft gi\u1ea3m theo nhi\u1ec7t \u0111\u1ed9. Ki\u1ec3m tra c\u1ea3 m\u1eb7t c\u01a1 kh\u00ed (bi\u00ean d\u1ea1ng puli, \u0111\u1ed9 th\u1eb3ng h\u00e0ng) l\u1eabn m\u1eb7t \u0111i\u1ec7n (kh\u1ea3 n\u0103ng t\u1ea3i, chi\u1ebft gi\u1ea3m). V\u1ec1 v\u1eadt li\u1ec7u v\u1ecf v\u00e0 c\u1ea5p nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3, h\u00e3y x\u00e1c nh\u1eadn v\u1edbi FeiChun.<\/p><\/div>\n      <\/details>\n      <details class=\"qa\"><summary><span class=\"qmark\">Q6.<\/span><span>C\u1ea5p \u0111i\u1ec7n \u0111\u01b0\u1eddng d\u00e0i, \u0111i\u1ec7n \u00e1p th\u1ea5p \u1edf \u0111\u1ea7u xa \u2014 ch\u1ea9n \u0111o\u00e1n th\u1ebf n\u00e0o?<\/span><span class=\"arr\">\u203a<\/span><\/summary>\n        <div class=\"ans\"><p>\u0110i\u1ec7n \u00e1p \u0111\u1ea7u xa th\u1ea5p th\u01b0\u1eddng l\u00e0 <strong>s\u1ee5t \u00e1p ch\u01b0a \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u00fang<\/strong>. Tuy\u1ebfn c\u00e1p cu\u1ed9n th\u01b0\u1eddng d\u00e0i v\u00e0 s\u1ee5t \u00e1p d\u1ec5 b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p. Ki\u1ec3m tra: (1) t\u00ednh s\u1ee5t \u00e1p th\u1ef1c v\u1edbi \u0394V = I \u00d7 L \u00d7 K \u2014 m\u1ea1ch l\u1ef1c th\u01b0\u1eddng y\u00eau c\u1ea7u \u2264 5 %; (2) ch\u00fa \u00fd \u0111i\u1ec1u ki\u1ec7n c\u1ee7a K \u2014 \u1edf 90 \u00b0C nh\u00e2n R v\u1edbi 1,03, h\u1ec7 th\u1ed1ng 60 Hz nh\u00e2n X v\u1edbi 1,2 v\u00e0 t\u00ednh l\u1ea1i K; (3) x\u00e1c nh\u1eadn d\u00f2ng \u0111i\u1ec7n c\u00f3 bao g\u1ed3m \u0111\u1ec9nh kh\u1edfi \u0111\u1ed9ng\/qu\u00e1 t\u1ea3i kh\u00f4ng. N\u1ebfu s\u1ee5t \u00e1p qu\u00e1 m\u1ee9c, t\u0103ng ti\u1ebft di\u1ec7n ru\u1ed9t d\u1eabn. Tr\u00ean tuy\u1ebfn d\u00e0i, s\u1ee5t \u00e1p th\u01b0\u1eddng tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 gi\u1edbi h\u1ea1n tr\u01b0\u1edbc c\u1ea3 kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng \u2014 ki\u1ec3m tra c\u1ea3 hai.<\/p><\/div>\n      <\/details>\n      <details class=\"qa\"><summary><span class=\"qmark\">Q7.<\/span><span>\u1ee8ng d\u1ee5ng th\u1eb3ng \u0111\u1ee9ng \/ gi\u1ecf \u2014 ph\u1ea7n \u0111\u00e1y c\u00e1p li\u00ean t\u1ee5c b\u1ecb h\u01b0 h\u1ea1i.<\/span><span class=\"arr\">\u203a<\/span><\/summary>\n        <div class=\"ans\"><p>H\u01b0 h\u1ea1i ph\u1ea7n \u0111\u00e1y trong \u1ee9ng d\u1ee5ng th\u1eb3ng \u0111\u1ee9ng ch\u1ee7 y\u1ebfu do <strong>neo gi\u1eef v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t kh\u00f4ng \u0111\u00fang<\/strong>. Ki\u1ec3m tra: (1) \u0111\u1ed9 \u00f4m v\u1ecf c\u1ee7a k\u1eb9p d\u01b0\u1edbi \u0111\u1ea1t 20\/25 \u00d7 OD \u2014 qu\u00e1 ng\u1eafn s\u1ebd t\u1eadp trung \u1ee9ng su\u1ea5t; (2) kho\u1ea3ng c\u00e1ch t\u1eeb \u0111\u1ea7u neo \u0111\u1ebfn cu\u1ed1i h\u00e0nh tr\u00ecnh \u2265 40 \u00d7 OD; (3) c\u00f3 l\u1eafp l\u00f2 xo n\u01a1i \u1ee9ng su\u1ea5t \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean; (4) \u0111\u01b0\u1eddng k\u00ednh cu\u1ed9n c\u1ee7a gi\u1ecf \u2265 1,5 m \u2014 qu\u00e1 nh\u1ecf g\u00e2y u\u1ed1n qu\u00e1 m\u1ee9c l\u1eb7p l\u1ea1i; (5) d\u00f9ng tang gi\u1ea3m \u1ee9ng su\u1ea5t \u0111\u1ea7u h\u1edf (t\u1ed1t h\u01a1n k\u1eb9p, \u2265 2 v\u00f2ng). V\u1edbi tr\u01b0\u1eddng h\u1ee3p th\u1eb3ng \u0111\u1ee9ng t\u1ed1c \u0111\u1ed9 cao, c\u00f2n ph\u1ea3i \u0111\u1ea3m b\u1ea3o chi\u1ec1u cao gi\u1ecf (\u2265 2 m) v\u00e0 mi\u1ec7ng gi\u1ecf h\u00ecnh c\u00f4n. Ki\u1ec3m tra t\u1eebng k\u00edch th\u01b0\u1edbc n\u00e0y th\u01b0\u1eddng \u0111\u1ecbnh v\u1ecb \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1.<\/p><\/div>\n      <\/details>\n      <details class=\"qa\"><summary><span class=\"qmark\">Q8.<\/span><span>Tang s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u kho m\u1ed9t th\u1eddi gian tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t \u2014 l\u01b0u th\u1ebf n\u00e0o cho an to\u00e0n?<\/span><span class=\"arr\">\u203a<\/span><\/summary>\n        <div class=\"ans\"><p>L\u01b0u kho k\u00e9m g\u00e2y ra v\u1ea5n \u0111\u1ec1 ngay c\u1ea3 tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u l\u1eafp \u0111\u1eb7t. Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t: (1) <strong>lu\u00f4n gi\u1eef c\u00e1p tr\u00ean tang g\u1ed1c<\/strong> \u2014 kh\u00f4ng bao gi\u1edd th\u00e1o kh\u1ecfi tang, v\u00ec c\u00e1c v\u00f2ng c\u00e1p s\u1ebd s\u1ee5p v\u00e0 bi\u1ebfn d\u1ea1ng; (2) l\u01b0u \u1edf n\u01a1i <strong>m\u00e1t, kh\u00f4, c\u00f3 b\u00f3ng r\u00e2m<\/strong>, tr\u00e1nh nhi\u1ec7t cao\/n\u1eafng l\u00e0m l\u00e3o h\u00f3a v\u1ecf, v\u00e0 tr\u00e1nh \u1ea9m \u01b0\u1edbt; (3) <strong>gi\u1eef k\u00edn c\u00e1c \u0111\u1ea7u c\u00e1p<\/strong> (nh\u01b0 khi giao h\u00e0ng) ch\u1ed1ng \u1ea9m v\u00e0 b\u1ee5i b\u1ea9n; (4) di chuy\u1ec3n b\u1eb1ng xe n\u00e2ng ho\u1eb7c c\u1ea9u, tr\u00e1nh l\u0103n tr\u00ean g\u1edd m\u00e1 tang; (5) n\u1ebfu ph\u1ea3i l\u0103n, h\u00e3y l\u0103n <strong>ng\u01b0\u1ee3c chi\u1ec1u qu\u1ea5n<\/strong> \u0111\u1ec3 gi\u1eef c\u00e1c v\u00f2ng ch\u1eb7t. Nh\u1eefng \u0111i\u1ec1u n\u00e0y \u00e1p d\u1ee5ng b\u1ea5t k\u1ec3 th\u1eddi gian l\u01b0u kho.<\/p><\/div>\n      <\/details>\n    <\/section>\n\n  <\/main>\n\n  <section class=\"contact\">\n    <div class=\"contact-inner\">\n      <h3>T\u01b0 v\u1ea5n K\u1ef9 thu\u1eadt &#038; B\u00e1o gi\u00e1<\/h3>\n      <div class=\"contact-grid\">\n        <div class=\"ci\"><div class=\"label\">WhatsApp<\/div><div class=\"val wa\">+86 138 5512 3218<\/div><div class=\"sub\">Ph\u00f2ng Kinh doanh Qu\u1ed1c t\u1ebf<\/div><\/div>\n        <div class=\"ci\"><div class=\"label\">K\u1ef9 thu\u1eadt<\/div><div class=\"val\">Tech@feichuncables.com<\/div><\/div>\n        <div class=\"ci\"><div class=\"label\">Khai kho\u00e1ng<\/div><div class=\"val\">mining@feichuncables.com<\/div><\/div>\n        <div class=\"ci\"><div class=\"label\">Kinh doanh<\/div><div class=\"val\">zihao.yang@feichuncables.com<\/div><\/div>\n      <\/div>\n      <div class=\"legal\">\n        B\u00e1n k\u00ednh u\u1ed1n cong, kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng, h\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m, s\u1ee5t \u00e1p v\u00e0 d\u1eef li\u1ec7u ng\u1eafn m\u1ea1ch trong s\u1ed5 tay n\u00e0y l\u00e0 c\u00e1c gi\u00e1 tr\u1ecb k\u1ef9 thu\u1eadt t\u1ed5ng qu\u00e1t d\u1ef1a tr\u00ean c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng khai (DIN VDE 0298-4, VDE 0250, IEC), nh\u1eb1m h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt v\u00e0 l\u1ef1a ch\u1ecdn s\u01a1 b\u1ed9 \u2014 ch\u00fang kh\u00f4ng c\u1ea5u th\u00e0nh quy tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u1ee5 th\u1ec3 hay b\u1ea3o h\u00e0nh s\u1ea3n ph\u1ea9m. D\u1ef1 \u00e1n th\u1ef1c t\u1ebf ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n theo \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c; vi\u1ec7c l\u1eafp \u0111\u1eb7t ph\u1ea3i do nh\u00e2n vi\u00ean c\u00f3 chuy\u00ean m\u00f4n th\u1ef1c hi\u1ec7n theo c\u00e1c ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n tr\u01b0\u1eddng. Ch\u1ee7ng lo\u1ea1i, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i, kh\u1ed1i l\u01b0\u1ee3ng, k\u00edch th\u01b0\u1edbc tang v\u00e0 m\u1ecdi th\u00f4ng s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a s\u1ea3n ph\u1ea9m FeiChun c\u1ee5 th\u1ec3 tu\u00e2n theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh th\u1ee9c v\u00e0 d\u1eef li\u1ec7u \u0111o th\u1ef1c t\u1ebf c\u1ee7a FeiChun. Gi\u00e1 c\u00e1p dao \u0111\u1ed9ng theo th\u1ecb tr\u01b0\u1eddng \u0111\u1ed3ng\/nh\u00f4m (LME\/SHFE); b\u00e1o gi\u00e1 d\u1ef1a tr\u00ean th\u1ecb tr\u01b0\u1eddng t\u1ea1i th\u1eddi \u0111i\u1ec3m giao d\u1ecbch v\u00e0 kh\u00f4ng c\u00f3 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c c\u1ed1 \u0111\u1ecbnh.\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <footer class=\"ft\">\n    <b>FEICHUN CABLES \u00b7 Anhui Feichun Special Cable Co., Ltd.<\/b> &nbsp;|&nbsp; Hefei, China &nbsp;|&nbsp; Technical Manual FC-TM-REEL-2026-0A43D0\n  <\/footer>\n\n<\/div>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"Tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1p di \u0111\u1ed9ng lo\u1ea1i cu\u1ed9n (reeling), treo (festoon) v\u00e0 gi\u1ecf (basket) ph\u1ee5 thu\u1ed9c ph\u1ea7n l\u1edbn v\u00e0o vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng qu\u1ea5n c\u00e1p. S\u1ed5 tay n\u00e0y tr\u00ecnh b\u00e0y b\u00e1n k\u00ednh u\u1ed1n cong, b\u1ed9 d\u1eabn h\u01b0\u1edbng, b\u1ea3o v\u1ec7 l\u1ef1c c\u0103ng, neo gi\u1eef, l\u1ef1a ch\u1ecdn tang cu\u1ed9n v\u00e0 x\u1eed l\u00fd xo\u1eafn, c\u00f9ng v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n v\u1ec1 kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng, h\u1ec7 s\u1ed1 chi\u1ebft gi\u1ea3m, s\u1ee5t \u00e1p v\u00e0 ng\u1eafn m\u1ea1ch.","protected":false},"author":1,"featured_media":13591,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"disabled","csco_page_header_type":"none","csco_page_load_nextpost":"","footnotes":""},"categories":[66,94,165,35,464,9],"tags":[63220,16165,63447,63449,63463,63244,63208,63455,63197,63186,63364,63445,63469,63480,44652,63451,63454,4237,63382,63444,63479,63481,594,63452,63360,145,53382,3826,63462,63456,63467,63475,63464,9358,411,63359,52541,63471,63470,63443,63222,60988,63268,63457,63477,63363,16198,63474,63461,43769,63450,63453,63390,63361,63203,17,63294,63478,43666,63213,63446,63209,63202,63472,63460,63358,63250,63448,63384,63459,63195,63362,63465,3786,63473,56852,18663,63466,63221,63458,63476,63468],"class_list":["post-18973","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-din-vde-0250-mining-cable","category-drag-chain-cable","category-festoon-cable","category-flexible-cables-with-high-bending-life-and-fatigue-resistance","category-spreader-basket-reel-cable","tag-anchoring-systems","tag-anti-twisting-braid","tag-ban-kinh-uon","tag-bao-ve-luc-cang","tag-basket","tag-basket-coiling","tag-bending-radii","tag-bo-dan-huong","tag-cable-grip","tag-cable-guides","tag-cable-reel-types","tag-cap-cuon","tag-che-do-gian-doan","tag-chong-xoan","tag-class-5-copper","tag-coiling-diameter","tag-cuon-trong-gio","tag-current-carrying-capacity","tag-derating-factors","tag-dien","tag-dien-khang","tag-dien-tro","tag-din-vde-0298-4","tag-duong-kinh-cuon","tag-electrical","tag-epr-insulation","tag-feichun","tag-feichun-special-cable","tag-giam-ung-suat","tag-gio","tag-gioi-han-nhiet","tag-he-so-chiet-giam","tag-he-so-tai","tag-hepr-insulation","tag-iec-60228","tag-installation","tag-intermittent-duty","tag-kep-cap","tag-kha-nang-tai-dong","tag-lap-dat","tag-load-factor","tag-mono-spiral-reel-2","tag-multi-spiral-reel-2","tag-neo-giu","tag-ngan-mach","tag-over-tension","tag-pcp-sheath","tag-phuong-phap-song","tag-phuong-phap-xoan-oc","tag-pur-sheath","tag-qua-cang","tag-quan-ngau-nhien","tag-radios-de-curvatura","tag-random-wound-reel-2","tag-reactance","tag-reeling-cable","tag-resistance","tag-ruot-dan-dong-lop-5","tag-short-circuit-current","tag-slack-loop","tag-so-tay-ky-thuat","tag-spiral-method","tag-stress-relief-drum","tag-sut-ap","tag-tang-cuon","tag-technical-manual","tag-tension-protection","tag-thang-dung","tag-thermal-limit","tag-thieu-cang","tag-twist-removal","tag-under-tension","tag-ung-dung-thang-dung","tag-vde-0250","tag-vertical","tag-vertical-cable","tag-voltage-drop","tag-vong-chung","tag-wave-motion","tag-xoan-don","tag-xoan-nhieu","tag-xu-ly-xoan","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/18973","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=18973"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/18973\/revisions"}],"predecessor-version":[{"id":18974,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/18973\/revisions\/18974"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/13591"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=18973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=18973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=18973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}