{"id":15494,"date":"2026-01-06T10:46:30","date_gmt":"2026-01-06T02:46:30","guid":{"rendered":"http:\/\/www.erun-tech.com\/?post_type=dt_portfolio&#038;p=15494"},"modified":"2026-01-06T10:59:44","modified_gmt":"2026-01-06T02:59:44","slug":"zhukaiguanjiqikongzhihuiludeweihuhexiuli","status":"publish","type":"dt_portfolio","link":"http:\/\/www.erun-tech.com\/vi\/project\/zhukaiguanjiqikongzhihuiludeweihuhexiuli","title":{"rendered":"B\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa c\u00f4ng t\u1eafc ch\u00ednh v\u00e0 m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n c\u1ee7a n\u00f3"},"content":{"rendered":"<p>&nbsp;<\/p>\n<style>\n        :root {<br \/>\n            --primary-blue: #004a99;<br \/>\n            --secondary-blue: #0073e6;<br \/>\n            --accent-gold: #b8860b;<br \/>\n            --bg-light: #f8f9fa;<br \/>\n            --border-color: #dee2e6;<br \/>\n            --text-main: #333;<br \/>\n        }<\/p>\n<p>        body {<br \/>\n            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif, \"PingFang SC\", \"Microsoft YaHei\";<br \/>\n            line-height: 1.7;<br \/>\n            color: var(--text-main);<br \/>\n            background-color: #f0f2f5;<br \/>\n            margin: 0;<br \/>\n            display: flex;<br \/>\n        }<\/p>\n<p>        \/* \u4fa7\u8fb9\u5bfc\u822a *\/<br \/>\n        nav {<br \/>\n            width: 260px;<br \/>\n            background: var(--primary-blue);<br \/>\n            color: white;<br \/>\n            height: 100vh;<br \/>\n            position: fixed;<br \/>\n            padding-top: 20px;<br \/>\n            overflow-y: auto;<br \/>\n        }<\/p>\n<p>        nav h4 { text-align: center; border-bottom: 1px solid rgba(255,255,255,0.2); padding-bottom: 15px; }<\/p>\n<p>        nav a {<br \/>\n            display: block;<br \/>\n            color: rgba(255,255,255,0.8);<br \/>\n            padding: 12px 25px;<br \/>\n            text-decoration: none;<br \/>\n            font-size: 14px;<br \/>\n            transition: 0.3s;<br \/>\n        }<\/p>\n<p>        nav a:hover { background: rgba(255,255,255,0.1); color: white; }<\/p>\n<p>        \/* \u4e3b\u5185\u5bb9\u533a *\/<br \/>\n        main {<br \/>\n            margin-left: 260px;<br \/>\n            padding: 40px;<br \/>\n            background: white;<br \/>\n            min-height: 100vh;<br \/>\n            width: 100%;<br \/>\n        }<\/p>\n<p>        .container { max-width: 900px; margin: 0 auto; }<\/p>\n<p>        h1 { color: var(--primary-blue); font-size: 2.2em; border-bottom: 3px solid var(--primary-blue); padding-bottom: 10px; }<br \/>\n        h2 { color: var(--secondary-blue); border-left: 5px solid var(--secondary-blue); padding-left: 15px; margin-top: 40px; background: #f1f8ff; padding-top: 10px; padding-bottom: 10px; }<br \/>\n        h3 { color: var(--accent-gold); margin-top: 25px; border-bottom: 1px solid #eee; }<\/p>\n<p>        p { margin-bottom: 18px; text-align: justify; }<\/p>\n<p>        \/* \u539f\u7406\u56fe\u5360\u4f4d *\/<br \/>\n        .diagram-box {<br \/>\n            background: #f9f9f9;<br \/>\n            border: 1px dashed #bbb;<br \/>\n            border-radius: 8px;<br \/>\n            padding: 20px;<br \/>\n            text-align: center;<br \/>\n            margin: 30px 0;<br \/>\n            color: #666;<br \/>\n        }<\/p>\n<p>        \/* \u91cd\u70b9\u516c\u5f0f\u4e0e\u53c2\u6570\u6807\u6ce8 *\/<br \/>\n        .spec-box {<br \/>\n            background: #fff8e1;<br \/>\n            border: 1px solid #ffe082;<br \/>\n            padding: 15px;<br \/>\n            border-radius: 6px;<br \/>\n            margin: 20px 0;<br \/>\n        }<\/p>\n<p>        .logic-step {<br \/>\n            display: flex;<br \/>\n            margin-bottom: 15px;<br \/>\n            align-items: flex-start;<br \/>\n        }<\/p>\n<p>        .step-num {<br \/>\n            background: var(--secondary-blue);<br \/>\n            color: white;<br \/>\n            width: 24px;<br \/>\n            height: 24px;<br \/>\n            border-radius: 50%;<br \/>\n            display: flex;<br \/>\n            align-items: center;<br \/>\n            justify-content: center;<br \/>\n            margin-right: 15px;<br \/>\n            flex-shrink: 0;<br \/>\n            font-size: 12px;<br \/>\n        }<\/p>\n<p>        \/* \u8868\u683c\u6837\u5f0f *\/<br \/>\n        table { width: 100%; border-collapse: collapse; margin: 20px 0; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }<br \/>\n        th, td { border: 1px solid var(--border-color); padding: 12px 15px; text-align: left; }<br \/>\n        th { background-color: #f8f9fa; color: var(--primary-blue); }<br \/>\n        tr:nth-child(even) { background-color: #fafafa; }<\/p>\n<p>        \/* \u5217\u8868\u6837\u5f0f *\/<br \/>\n        .check-list { list-style: none; padding-left: 0; }<br \/>\n        .check-list li::before { content: \"\u2714\"; color: #28a745; margin-right: 10px; font-weight: bold; }<\/p>\n<p>        .fault-item {<br \/>\n            border-bottom: 1px solid #eee;<br \/>\n            padding: 10px 0;<br \/>\n        }<br \/>\n        .fault-title { font-weight: bold; color: #d32f2f; }<\/p>\n<p>        footer { text-align: center; padding: 40px; color: #999; font-size: 0.9em; border-top: 1px solid #eee; margin-top: 50px; }<\/p>\n<p>        @media (max-width: 768px) {<br \/>\n            nav { display: none; }<br \/>\n            main { margin-left: 0; padding: 20px; }<br \/>\n        }<br \/>\n    <\/style>\n<p>&nbsp;<\/p>\n<nav>\n<h4>\u0110i\u1ec1u h\u01b0\u1edbng n\u1ed9i dung<\/h4>\n<p><a href=\"#section1\">I. Ph\u00e2n t\u00edch nguy\u00ean l\u00fd b\u1ea3o v\u1ec7 c\u1ee7a lo\u1ea1i DW98<\/a><br \/>\n<a href=\"#sub1_1\">1.1 B\u1ea3o v\u1ec7 ng\u1eaft m\u1ea1ch ch\u1eadm khi \u0111i\u1ec7n \u00e1p th\u1ea5p<\/a><br \/>\n<a href=\"#sub1_2\">1.2 B\u1ea3o v\u1ec7 ng\u1eaft m\u1ea1ch do qu\u00e1 d\u00f2ng<\/a><br \/>\n<a href=\"#section2\">2. B\u1ea3o tr\u00ec h\u00e0ng ng\u00e0y c\u00f4ng t\u1eafc ch\u00ednh<\/a><br \/>\n<a href=\"#section3\">III. C\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/a><\/p>\n<\/nav>\n<p>&nbsp;<\/p>\n<div class=\"container\">\n<h1>B\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa c\u00f4ng t\u1eafc ch\u00ednh v\u00e0 m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n c\u1ee7a n\u00f3<\/h1>\n<h2 id=\"section1\">I. Ph\u00e2n t\u00edch nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n c\u00f4ng t\u1eafc ch\u00ednh tr\u00ean t\u00e0u<\/h2>\n<p>\u4ee5 <strong>C\u1ea7u dao kh\u00ed t\u1ef1 \u0111\u1ed9ng lo\u1ea1i DW98<\/strong> L\u1ea5y v\u00ed d\u1ee5. M\u1eabu n\u00e0y s\u1eed d\u1ee5ng b\u1ed9 ng\u1eaft m\u1ea1ch b\u00e1n d\u1eabn l\u00e0m thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1ed1n ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7: b\u1ea3o v\u1ec7 ch\u1eadm tr\u1ec5 khi \u0111i\u1ec7n \u00e1p th\u1ea5p, b\u1ea3o v\u1ec7 t\u1ee9c th\u1eddi khi ng\u1eafn m\u1ea1ch qu\u00e1 t\u1ea3i, b\u1ea3o v\u1ec7 ch\u1eadm tr\u1ec5 ng\u1eafn khi ng\u1eafn m\u1ea1ch v\u00e0 b\u1ea3o v\u1ec7 ch\u1eadm tr\u1ec5 d\u00e0i khi qu\u00e1 t\u1ea3i.<\/p>\n<h3 id=\"sub1_1\"><img decoding=\"async\" class=\"alignnone size-full wp-image-15495\" title=\"a76652adc3cca11fd4b1bd18e755a2c9\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/a76652adc3cca11fd4b1bd18e755a2c9.png\" alt=\"a76652adc3cca11fd4b1bd18e755a2c9\" width=\"1366\" height=\"966\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/a76652adc3cca11fd4b1bd18e755a2c9.png 1366w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/a76652adc3cca11fd4b1bd18e755a2c9-300x212.png 300w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/a76652adc3cca11fd4b1bd18e755a2c9-1024x724.png 1024w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/a76652adc3cca11fd4b1bd18e755a2c9-768x543.png 768w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/a76652adc3cca11fd4b1bd18e755a2c9-18x12.png 18w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/a76652adc3cca11fd4b1bd18e755a2c9-600x424.png 600w\" sizes=\"(max-width: 1366px) 100vw, 1366px\" \/>1. B\u1ea3o v\u1ec7 ng\u1eaft m\u1ea1ch ch\u1eadm khi \u0111i\u1ec7n \u00e1p th\u1ea5p<\/h3>\n<p><strong>Ngu\u1ed3n \u0111i\u1ec7n:<\/strong> \u0110i\u1ec7n \u00e1p t\u1eeb m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u01b0\u1ee3c h\u1ea1 \u00e1p qua bi\u1ebfn \u00e1p B\u2081, sau \u0111\u00f3 \u0111\u01b0\u1ee3c ch\u1ec9nh l\u01b0u b\u1eb1ng c\u1ea7u ZL, l\u1ecdc qua m\u1ea1ch Rz\/C\u2088 v\u00e0 \u1ed5n \u00e1p b\u1eb1ng W\u2085, t\u1eeb \u0111\u00f3 cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u \u1ed5n \u00e1p cho c\u00e1c b\u00f3ng b\u00e1n d\u1eabn.<\/p>\n<p><strong>Qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh t\u00edn hi\u1ec7u:<\/strong> \u0110i\u1ec7n \u00e1p UA\u1d04 \u0111\u01b0\u1ee3c h\u1ea1 \u00e1p xu\u1ed1ng 15V qua cu\u1ed9n th\u1ee9 nh\u1ea5t B\u2081, sau \u0111\u00f3 \u0111\u01b0\u1ee3c ch\u1ec9nh l\u01b0u n\u1eeda s\u00f3ng qua D\u2081\u2085 v\u00e0 l\u1ecdc qua C\u2085, r\u1ed3i l\u1ea5y t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u y\u1ebfu t\u1eeb m\u1ea1ch chia \u0111i\u1ec7n \u00e1p R\u2082\u2080. T\u00edn hi\u1ec7u n\u00e0y t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111i\u1ec7n \u00e1p c\u1ee7a m\u00e1y ph\u00e1t.<\/p>\n<div class=\"spec-box\"><strong>Logic ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/p>\n<ul>\n<li><strong>Tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng:<\/strong> \u0110i\u1ec7n \u00e1p R\u2082\u2080 l\u00e0m W\u2084 b\u1ecb \u0111\u1ee9t, BG\u2085 d\u1eabn \u0111i\u1ec7n \u1edf tr\u1ea1ng th\u00e1i b\u00e3o h\u00f2a, t\u1ee5 \u0111i\u1ec7n tr\u1ec5 ng\u1eafn m\u1ea1ch C\u2086, m\u1ea1ch \u0111\u1ea7u ra kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u.<\/li>\n<li><strong>Tr\u1ea1ng th\u00e1i \u0111i\u1ec7n \u00e1p th\u1ea5p:<\/strong> Khi \u0111i\u1ec7n \u00e1p th\u1ea5p h\u01a1n gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t (v\u00ed d\u1ee5: 65% U\u2080), W\u2084 ng\u1eaft, BG\u2085 ng\u1eaft, ngu\u1ed3n \u0111i\u1ec7n s\u1ea1c cho C\u2086\/C\u2087 qua R\u2082\u2081\/R\u2082\u2082.<\/li>\n<li><strong>L\u1ef1a ch\u1ecdn th\u1eddi gian tr\u1ec5:<\/strong> 0,5 gi\u00e2y, 1 gi\u00e2y, 3 gi\u00e2y, 5 gi\u00e2y. Khi \u0111i\u1ec7n \u00e1p t\u1ee5 \u0111i\u1ec7n \u0111\u1ea1t \u0111\u1ebfn gi\u00e1 tr\u1ecb \u0111\u1ec9nh BT c\u1ee7a b\u00f3ng b\u00e1n d\u1eabn \u0111\u01a1n c\u1ef1c, SCR s\u1ebd d\u1eabn \u0111i\u1ec7n, v\u00e0 b\u1ed9 ng\u1eaft khi m\u1ea5t \u0111i\u1ec7n \u00e1p S s\u1ebd ng\u1eaft m\u1ea1ch do m\u1ea5t ngu\u1ed3n.<\/li>\n<\/ul>\n<\/div>\n<h3 id=\"sub1_2\">2. B\u1ea3o v\u1ec7 ng\u1eaft m\u1ea1ch do qu\u00e1 d\u00f2ng<\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n ba pha \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u00e1c bi\u1ebfn d\u00f2ng LH\u2081~LH\u2083, sau khi qua m\u1ea1ch ch\u1ec9nh l\u01b0u c\u1ea7u v\u00e0 b\u1ed9 l\u1ecdc, \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u m\u1ed9t chi\u1ec1u \u0111i\u1ec7n \u00e1p th\u1ea5p th\u00f4ng qua ba b\u1ed9 chia \u00e1p song song:<\/p>\n<ul>\n<li><strong>S\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch c\u1ef1c l\u1edbn trong th\u1eddi gian c\u1ef1c ng\u1eafn:<\/strong> Ki\u1ec3m tra t\u00edn hi\u1ec7u R\u2082, R\u2083 v\u00e0 R\u2082\u2083. S\u1eed d\u1ee5ng b\u1ea3o v\u1ec7 ng\u1eaft nhanh d\u00f2ng \u0111i\u1ec7n, gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng (5\u201310) I<sub>K<\/sub>\u3002<\/li>\n<li><strong>Th\u1eddi gian tr\u1ec5 ng\u1eafn khi ng\u1eafn m\u1ea1ch:<\/strong> Ki\u1ec3m tra t\u00edn hi\u1ec7u R\u2084, R\u2082\u2087, R\u2085. C\u00f3 \u0111\u1eb7c t\u00ednh gi\u1edbi h\u1ea1n th\u1eddi gian, \u0111\u1ed9 tr\u1ec5 0,2\u20130,6 gi\u00e2y, gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t (3\u20135) I<sub>K<\/sub>\u3002<\/li>\n<li><strong>Th\u1eddi gian tr\u1ec5 d\u00e0i khi qu\u00e1 t\u1ea3i:<\/strong> Ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u R\u2082\u2088, R\u2086. S\u1eed d\u1ee5ng \u0111\u1eb7c t\u00ednh th\u1eddi gian ngh\u1ecbch \u0111\u1ea3o c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea1c C\u2083 (qu\u00e1 t\u1ea3i c\u00e0ng l\u1edbn th\u00ec th\u1eddi gian tr\u1ec5 c\u00e0ng ng\u1eafn), gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t (1,0\u20132,5) I<sub>K<\/sub>\u3002<\/li>\n<\/ul>\n<h2 id=\"section2\">2. B\u1ea3o tr\u00ec h\u00e0ng ng\u00e0y c\u00f4ng t\u1eafc ch\u00ednh<\/h2>\n<p>C\u00e1c tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00f4ng t\u1eafc ch\u00ednh \u0111\u01b0\u1ee3c chia th\u00e0nh:<strong>V\u1ecb tr\u00ed c\u00f4ng vi\u1ec7c<\/strong>(ti\u1ebfp \u0111i\u1ec3m ch\u00ednh \u0111\u00f3ng),<strong>V\u1ecb tr\u00ed th\u1eed nghi\u1ec7m<\/strong>(M\u1ea1ch ch\u00ednh ng\u1eaft, m\u1ea1ch ph\u1ee5 \u0111\u00f3ng) v\u00e0<strong>V\u1ecb tr\u00ed ng\u1eaft<\/strong>(C\u00e1ch ly ho\u00e0n to\u00e0n an to\u00e0n).<\/p>\n<h3>1. Quy \u0111\u1ecbnh v\u1ec1 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3<\/h3>\n<table>\n<thead>\n<tr>\n<th>Chu k\u1ef3<\/th>\n<th>N\u1ed9i dung d\u1ef1 \u00e1n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u1ee9 s\u00e1u th\u00e1ng m\u1ed9t l\u1ea7n<\/td>\n<td>B\u00f4i m\u1ee1 b\u00f4i tr\u01a1n l\u00ean c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng; si\u1ebft ch\u1eb7t c\u00e1c \u1ed1c v\u00edt; \u0111o \u0111\u1ed9 d\u00e0y c\u1ee7a \u0111i\u1ec3m ti\u1ebfp x\u00fac (n\u1ebfu gi\u1ea3m xu\u1ed1ng c\u00f2n 1\/3 th\u00ec c\u1ea7n thay th\u1ebf); l\u00e0m s\u1ea1ch bu\u1ed3ng d\u1eadp l\u1eeda; ki\u1ec3m tra cu\u1ed9n d\u00e2y \u0111\u00f3ng m\u1ea1ch.<\/td>\n<\/tr>\n<tr>\n<td>Hai n\u0103m m\u1ed9t l\u1ea7n<\/td>\n<td>Ki\u1ec3m tra l\u1ea1i gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t d\u00f2ng \u0111i\u1ec7n ng\u1eaft v\u00e0 th\u1eddi gian tr\u1ec5.<\/td>\n<\/tr>\n<tr>\n<td>Giai \u0111o\u1ea1n cu\u1ed1i \u0111\u1eddi<\/td>\n<td>N\u1ebfu thi\u1ebft b\u1ecb \u0111\u00e3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c 3\/4 tu\u1ed5i th\u1ecd k\u1ef9 thu\u1eadt, vi\u1ec7c ki\u1ec3m tra n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed7i n\u0103m m\u1ed9t l\u1ea7n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. Danh s\u00e1ch ki\u1ec3m tra b\u1ea3o tr\u00ec<\/h3>\n<ul class=\"check-list\">\n<li><strong>Ki\u1ec3m tra ngo\u1ea1i quan:<\/strong> Ki\u1ec3m tra xem v\u1ecf m\u00e1y c\u00f3 v\u1ebft n\u1ee9t, r\u1ec9 s\u00e9t ho\u1eb7c d\u1ea5u hi\u1ec7u qu\u00e1 nhi\u1ec7t hay kh\u00f4ng; tay c\u1ea7m v\u00e0 c\u00e1c n\u00fat b\u1ea5m ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru.<\/li>\n<li><strong>V\u1ec7 sinh v\u00e0 b\u00f4i tr\u01a1n:<\/strong> S\u1eed d\u1ee5ng ch\u1ea5t t\u1ea9y r\u1eeda \u0111i\u1ec7n t\u1eed chuy\u00ean d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp oxy h\u00f3a tr\u00ean c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac; b\u00f4i m\u1ee1 chuy\u00ean d\u1ee5ng l\u00ean c\u00e1c b\u1ed9 ph\u1eadn truy\u1ec1n \u0111\u1ed9ng.<\/li>\n<li><strong>Ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n:<\/strong> Khi \u0111o b\u1eb1ng m\u00e1y \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n (500V\/1000V), \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n ph\u1ea3i <strong>&gt; 1 M\u03a9<\/strong>\u3002<\/li>\n<li><strong>Ki\u1ec3m th\u1eed ch\u1ee9c n\u0103ng:<\/strong> Ki\u1ec3m tra \u0111\u1ed9 tr\u01a1n tru c\u1ee7a thao t\u00e1c \u0111\u00f3ng\/m\u1edf c\u00f4ng t\u1eafc th\u1ee7 c\u00f4ng v\u00e0 m\u00f4 ph\u1ecfng \u0111\u1ed9 nh\u1ea1y c\u1ee7a c\u01a1 ch\u1ebf ng\u1eaft b\u1ea3o v\u1ec7.<\/li>\n<\/ul>\n<h2 id=\"section3\">3. C\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/h2>\n<div class=\"fault-item\">\n<p class=\"fault-title\">1. Kh\u00f4ng th\u1ec3 \u0111\u00f3ng c\u00f4ng t\u1eafc<\/p>\n<p><strong>C\u01a1 kh\u00ed:<\/strong> Ki\u1ec3m tra xem l\u00f2 xo t\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng c\u00f3 b\u1ecb h\u1ecfng hay c\u01a1 c\u1ea5u c\u00f3 b\u1ecb k\u1eb9t kh\u00f4ng.<br \/>\n<strong>\u0110i\u1ec7n:<\/strong> Ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf c\u1ee7a cu\u1ed9n d\u00e2y \u0111\u00f3ng ng\u1eaft (t\u1eeb v\u00e0i ch\u1ee5c \u0111\u1ebfn v\u00e0i tr\u0103m ohm) v\u00e0 \u0111i\u1ec7n \u00e1p ngu\u1ed3n \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<\/div>\n<div class=\"fault-item\">\n<p class=\"fault-title\">2. Ng\u1eaft m\u1ea1ch b\u1ea5t th\u01b0\u1eddng<\/p>\n<p><strong>H\u00e0nh \u0111\u1ed9ng sai:<\/strong> C\u00e0i \u0111\u1eb7t r\u01a1le kh\u00f4ng \u0111\u00fang ho\u1eb7c do nhi\u1ec5u t\u1eeb b\u00ean ngo\u00e0i.<br \/>\n<strong>L\u1ed7i th\u1ef1c t\u1ebf:<\/strong> Ki\u1ec3m tra xem c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u1ed1i \u0111\u1ea5t ho\u1eb7c ch\u1eadp m\u1ea1ch \u1edf ph\u00eda t\u1ea3i hay kh\u00f4ng.<\/p>\n<\/div>\n<div class=\"fault-item\">\n<p class=\"fault-title\">3. S\u1ef1 m\u00e0i m\u00f2n c\u1ee7a c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac<\/p>\n<p>N\u1ebfu b\u1ecb m\u00f2n nh\u1eb9, c\u00f3 th\u1ec3 ch\u00e0 nh\u00e1m b\u1eb1ng gi\u1ea5y nh\u00e1m; n\u1ebfu m\u00f2n n\u1eb7ng, ph\u1ea3i thay th\u1ebf \u0111i\u1ec3m ti\u1ebfp x\u00fac \u0111\u1ec3 tr\u00e1nh nguy c\u01a1 ch\u00e1y n\u1ed5 do qu\u00e1 nhi\u1ec7t.<\/p>\n<\/div>\n<div class=\"fault-item\">\n<p class=\"fault-title\">4. Ki\u1ec3m tra m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n<\/p>\n<p>S\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 ki\u1ec3m tra li\u00ean t\u1ee5c tr\u00ean \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 ki\u1ec3m tra t\u1eebng \u0111o\u1ea1n d\u00e3y \u0111\u1ea7u n\u1ed1i v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u1eafm. Trong tr\u01b0\u1eddng h\u1ee3p ng\u1eafn m\u1ea1ch v\u1edbi \u0111\u1ea5t, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng<strong>Ph\u01b0\u01a1ng ph\u00e1p c\u00e1ch ly t\u1eebng \u0111o\u1ea1n<\/strong>V\u1ecb tr\u00ed.<\/p>\n<\/div>\n<\/div>\n<footer>C\u1ea9m nang tham kh\u1ea3o k\u1ef9 thu\u1eadt chuy\u00ean ng\u00e0nh cho K\u1ef9 thu\u1eadt vi\u00ean \u0110i\u1ec7n t\u1eed v\u00e0 \u0110i\u1ec7n tr\u00ean t\u00e0u (ETO) \u2013 Phi\u00ean b\u1ea3n 2026<\/p>\n<\/footer>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; N\u1ed9i dung h\u01b0\u1edbng d\u1eabn I. Ph\u00e2n t\u00edch nguy\u00ean l\u00fd b\u1ea3o v\u1ec7 c\u1ee7a lo\u1ea1i DW98 1.1 B\u1ea3o v\u1ec7 ng\u1eaft m\u1ea1ch ch\u1eadm tr\u1ec5 do thi\u1ebfu \u0111i\u1ec7n \u00e1p 1.2 B\u1ea3o v\u1ec7 ng\u1eaft m\u1ea1ch do qu\u00e1 d\u00f2ng\u2026<\/p>","protected":false},"author":1,"featured_media":15497,"comment_status":"open","ping_status":"closed","template":"","dt_portfolio_category":[891],"dt_portfolio_tags":[],"class_list":["post-15494","dt_portfolio","type-dt_portfolio","status-publish","has-post-thumbnail","hentry","dt_portfolio_category-dianzidianqiyuanshicaopinggukecheng","dt_portfolio_category-891","description-off"],"_links":{"self":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio"}],"about":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/types\/dt_portfolio"}],"author":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=15494"}],"version-history":[{"count":2,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15494\/revisions"}],"predecessor-version":[{"id":15498,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15494\/revisions\/15498"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media\/15497"}],"wp:attachment":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=15494"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_category?post=15494"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_tags?post=15494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}