{"id":15575,"date":"2026-01-06T13:40:47","date_gmt":"2026-01-06T05:40:47","guid":{"rendered":"http:\/\/www.erun-tech.com\/?post_type=dt_portfolio&#038;p=15575"},"modified":"2026-01-06T13:40:47","modified_gmt":"2026-01-06T05:40:47","slug":"chuanbo-440v-donglidianwangjueyuanguzhangchazhaoshixunladianfayubengpupaicha-sop","status":"publish","type":"dt_portfolio","link":"http:\/\/www.erun-tech.com\/vi\/project\/chuanbo-440v-donglidianwangjueyuanguzhangchazhaoshixunladianfayubengpupaicha-sop","title":{"rendered":"Th\u1ef1c h\u00e0nh ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 c\u00e1ch \u0111i\u1ec7n tr\u00ean m\u1ea1ng \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c 440V c\u1ee7a t\u00e0u: Quy tr\u00ecnh ti\u00eau chu\u1ea9n (SOP) v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p ng\u1eaft \u0111i\u1ec7n v\u00e0 ki\u1ec3m tra b\u01a1m"},"content":{"rendered":"<div style=\"font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.8; color: #333; max-width: 1100px; margin: 0 auto; background: #fff; padding: 20px;\">\n<div style=\"text-align: center; border-bottom: 5px solid #ef9308; padding-bottom: 30px; margin-bottom: 40px;\">\n<h1 style=\"color: #1f365c; font-size: 30px; margin-bottom: 10px; font-weight: bold;\">Th\u1ef1c h\u00e0nh t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1 c\u00e1ch \u0111i\u1ec7n trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c t\u00e0u th\u1ee7y<\/h1>\n<div style=\"display: inline-block; background: #1f365c; color: #fff; padding: 6px 20px; border-radius: 4px; font-size: 14px; font-weight: bold; letter-spacing: 1px;\">Quy tr\u00ecnh v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng 440V\/380V<\/div>\n<\/div>\n<section style=\"margin-bottom: 50px;\">\n<h2 style=\"background: #1f365c; color: #fff; padding: 12px 25px; border-left: 10px solid #ef9308; border-radius: 4px; font-size: 20px;\">I. N\u1ed9i dung th\u1ef1c hi\u1ec7n<\/h2>\n<div style=\"margin-top: 20px; padding: 0 15px;\">\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 15px;\">\n<div style=\"background: #f8f9fa; padding: 15px; border-radius: 6px; border-top: 3px solid #1f365c;\">(1) C\u1ea3nh b\u00e1o m\u1ee9c c\u00e1ch \u0111i\u1ec7n th\u1ea5p trong m\u1ea1ng l\u01b0\u1edbi \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c trong ch\u1ebf \u0111\u1ed9 m\u00f4 ph\u1ecfng<\/div>\n<div style=\"background: #f8f9fa; padding: 15px; border-radius: 6px; border-top: 3px solid #1f365c;\">(2) C\u00e1ch th\u1ef1c hi\u1ec7n \u0111\u00fang ph\u01b0\u01a1ng ph\u00e1p t\u00ecm ki\u1ebfm b\u1eb1ng c\u00e1ch ng\u1eaft \u0111i\u1ec7n<\/div>\n<div style=\"background: #f8f9fa; padding: 15px; border-radius: 6px; border-top: 3px solid #1f365c;\">(3) Ki\u1ec3m tra \u0111\u1ed9 c\u00e1ch \u0111i\u1ec7n c\u1ee7a m\u1ea1ng l\u01b0\u1edbi \u0111i\u1ec7n b\u1eb1ng m\u00e1y \u0111o megohm quay tay<\/div>\n<div style=\"background: #f8f9fa; padding: 15px; border-radius: 6px; border-top: 3px solid #1f365c;\">(4) M\u00f4 ph\u1ecfng vi\u1ec7c kh\u1edfi \u0111\u1ed9ng t\u1ed5 m\u00e1y ph\u00e1t \u0111i\u1ec7n d\u1ef1 ph\u00f2ng<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section style=\"margin-bottom: 50px;\">\n<h2 style=\"background: #1f365c; color: #fff; padding: 12px 25px; border-left: 10px solid #ef9308; border-radius: 4px; font-size: 20px;\">II. C\u00e1c b\u01b0\u1edbc th\u1ef1c h\u00e0nh c\u1ed1t l\u00f5i<\/h2>\n<div style=\"margin: 20px 0; padding: 0 15px;\">\n<div style=\"background: #eef2f7; border-left: 5px solid #1f365c; padding: 20px; border-radius: 0 8px 8px 0; margin-bottom: 25px;\">\n<p style=\"margin: 0; font-size: 15px;\"><strong>Y\u00eau c\u1ea7u v\u1ec1 ch\u1ec9 ti\u00eau:<\/strong>Gi\u00e1 tr\u1ecb c\u00e1ch \u0111i\u1ec7n c\u1ee7a m\u1ea1ng \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n tr\u00ean t\u00e0u ph\u1ea3i<strong>Kh\u00f4ng d\u01b0\u1edbi 1 M\u03a9<\/strong>. Ngay khi \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n c\u1ee7a th\u00e2n t\u00e0u gi\u1ea3m xu\u1ed1ng m\u1ee9c m\u1ed7i volt \u0111i\u1ec7n \u00e1p ngu\u1ed3n <strong>100 \u03a9<\/strong> Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau \u0111\u00e2y (v\u00ed d\u1ee5: m\u1ea1ng \u0111i\u1ec7n 440V t\u01b0\u01a1ng \u1ee9ng v\u1edbi 44k\u03a9), thi\u1ebft b\u1ecb b\u00e1o \u0111\u1ed9ng b\u1eb1ng \u00e2m thanh v\u00e0 \u00e1nh s\u00e1ng ph\u1ea3i \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 20px;\">\n<div style=\"display: flex; align-items: flex-start;\"><span style=\"background: #ef9308; color: white; width: 28px; height: 28px; border-radius: 50%; text-align: center; line-height: 28px; margin-right: 15px; flex-shrink: 0; font-weight: bold;\">1<\/span><\/p>\n<div><strong>C\u00e1c bi\u1ec7n ph\u00e1p x\u1eed l\u00fd ban \u0111\u1ea7u:<\/strong>Ph\u1ea3n h\u1ed3i b\u00e1o \u0111\u1ed9ng, t\u1eaft \u00e2m thanh v\u00e0 t\u1eaft \u0111\u00e8n nh\u1ea5p nh\u00e1y. Ki\u1ec3m tra xem ch\u1ec9 s\u1ed1 tr\u00ean m\u00e1y \u0111o megohm g\u1eafn tr\u00ean t\u1ee7 ph\u00e2n ph\u1ed1i c\u00f3 nh\u1ecf h\u01a1n 1 M\u03a9 hay kh\u00f4ng.<\/div>\n<\/div>\n<div style=\"display: flex; align-items: flex-start;\"><span style=\"background: #ef9308; color: white; width: 28px; height: 28px; border-radius: 50%; text-align: center; line-height: 28px; margin-right: 15px; flex-shrink: 0; font-weight: bold;\">2<\/span><\/p>\n<div style=\"width: 100%;\"><strong>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p t\u00ecm ki\u1ebfm b\u1eb1ng c\u00e1ch ng\u1eaft \u0111i\u1ec7n:<\/strong><\/p>\n<ul style=\"margin: 10px 0; padding-left: 20px; background: #fffaf5; border: 1px solid #ffe8cc; padding: 15px; border-radius: 6px;\">\n<li>T\u1eaft t\u1eebng c\u00f4ng t\u1eafc ngu\u1ed3n v\u00e0 quan s\u00e1t ch\u1ec9 s\u1ed1 tr\u00ean m\u00e1y \u0111o megohmmeter; n\u1ebfu sau khi t\u1eaft m\u1ed9t m\u1ea1ch n\u00e0o \u0111\u00f3 m\u00e0 \u0111\u1ed9 c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i, th\u00ec thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n c\u1ee7a m\u1ea1ch \u0111\u00f3 b\u1ecb h\u1ecfng.<\/li>\n<li>Sau khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng d\u00e2y b\u1ecb s\u1ef1 c\u1ed1, h\u00e3y ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y \u0111\u00f3.<\/li>\n<li>T\u1ea1i t\u1ee7 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n, s\u1eed d\u1ee5ng m\u00e1y \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n quay tay \u0111\u1ec3 ki\u1ec3m tra t\u1eebng m\u1ea1ch nh\u00e1nh xem c\u00f3 b\u1ecb ch\u1ea1m \u0111\u1ea5t hay kh\u00f4ng.<\/li>\n<li>C\u00e1ch ly nh\u00e1nh b\u1ecb s\u1ef1 c\u1ed1, \u0111\u00f3ng c\u00e1c c\u00f4ng t\u1eafc c\u00f2n l\u1ea1i v\u00e0 kh\u00f4i ph\u1ee5c ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng b\u1ecb s\u1ef1 c\u1ed1.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div style=\"display: flex; align-items: flex-start;\"><span style=\"background: #ef9308; color: white; width: 28px; height: 28px; border-radius: 50%; text-align: center; line-height: 28px; margin-right: 15px; flex-shrink: 0; font-weight: bold;\">3<\/span><\/p>\n<div><strong>Ki\u1ec3m tra b\u1eb1ng m\u00e1y \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n quay tay (120 v\u00f2ng\/ph\u00fat):<\/strong><\/p>\n<p style=\"margin: 5px 0;\">\u25cf <strong>Th\u1eed nghi\u1ec7m m\u1edf \u0111\u01b0\u1eddng:<\/strong>D\u00f9ng b\u00fat ch\u1ec9 \u0111\u01b0\u1eddng, kim ch\u1ec9 v\u00e0o \u201c<strong>\u221e<\/strong>\u201d\u3002<\/p>\n<p style=\"margin: 5px 0;\">\u25cf <strong>Th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch:<\/strong>Ch\u1eadp m\u1ea1ch b\u00fat ch\u1ec9 (xoay nh\u1eb9), kim ch\u1ec9 v\u00e0o \u201c<strong>0<\/strong>\u201d\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section style=\"margin-bottom: 50px;\">\n<h2 style=\"background: #1f365c; color: #fff; padding: 12px 25px; border-left: 10px solid #ef9308; border-radius: 4px; font-size: 20px;\">III. X\u00e1c \u0111\u1ecbnh s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng (V\u00ed d\u1ee5 th\u1ef1c h\u00e0nh v\u1edbi m\u00e1y b\u01a1m n\u01b0\u1edbc bi\u1ec3n s\u1ed1 1)<\/h2>\n<div style=\"margin-top: 25px; padding: 0 15px;\">\n<div style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 30px;\">\n<div style=\"flex: 1; min-width: 300px; border: 2px solid #1f365c; padding: 20px; border-radius: 10px;\">\n<p style=\"margin-top: 0;\"><strong>C\u00e0i \u0111\u1eb7t l\u1ed7i:<\/strong>Gi\u1eefa pha B c\u1ee7a m\u00e1y b\u01a1m n\u01b0\u1edbc bi\u1ec3n s\u1ed1 1 v\u00e0 th\u00e2n t\u00e0u c\u00f3 m\u1ed9t \u0111i\u1ec7n tr\u1edf 50 k\u03a9.<\/p>\n<p style=\"color: #d9534f; font-weight: bold;\">Hi\u1ec7n t\u01b0\u1ee3ng b\u00e1o \u0111\u1ed9ng:<\/p>\n<p style=\"margin-bottom: 0;\">\u201c\u0110\u00e8n \u201dAC 440V BUS LOW INSUL.\u201d nh\u1ea5p nh\u00e1y, c\u00f2i b\u00e1o \u0111\u1ed9ng k\u00eau.<\/p>\n<\/div>\n<div style=\"flex: 1; min-width: 300px; background: #fdf2f2; border: 1px dashed #d9534f; padding: 20px; border-radius: 10px;\">\n<p style=\"margin-top: 0;\"><strong>Ph\u00e2n t\u00edch s\u1ef1 c\u1ed1:<\/strong>K\u1ebft qu\u1ea3 \u0111o cho th\u1ea5y t\u00ednh c\u00e1ch \u0111i\u1ec7n c\u1ee7a m\u1ea1ng l\u01b0\u1edbi \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c th\u1ea5p. M\u00e1y \u0111o megohmmeter hi\u1ec3n th\u1ecb gi\u00e1 tr\u1ecb kho\u1ea3ng 0,05 M\u03a9, \u0111\u00e8n b\u00e1o r\u00f2 r\u1ec9 \u0111\u1ea5t pha B m\u1edd \u0111i.<\/p>\n<\/div>\n<\/div>\n<div style=\"background: #fff; border: 2px solid #ef9308; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #ef9308; color: white; padding: 15px; font-weight: bold; text-align: center; font-size: 18px;\">Quy tr\u00ecnh ti\u00eau chu\u1ea9n h\u00f3a vi\u1ec7c ki\u1ec3m tra thi\u1ebft b\u1ecb \u0111\u1ed9ng l\u1ef1c<\/div>\n<div style=\"padding: 25px;\">\n<div style=\"margin-bottom: 15px; display: flex;\"><span style=\"color: #1f365c; font-weight: bold; margin-right: 15px;\">B\u01af\u1edaC 1<\/span><br \/>\nT\u1eaft \u00e2m v\u00e0 t\u1eaft \u0111\u00e8n nh\u1ea5p nh\u00e1y, x\u00e1c nh\u1eadn b\u00e1o \u0111\u1ed9ng. D\u00f9ng m\u00e1y \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n v\u00e0 \u0111\u00e8n b\u00e1o ti\u1ebfp \u0111\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u01a1 b\u1ed9 s\u1ef1 c\u1ed1 \u1edf pha B.<\/div>\n<div style=\"margin-bottom: 15px; display: flex; background: #fff4e6; padding: 10px; border-radius: 4px; border: 1px solid #ef9308;\"><span style=\"color: #ef9308; font-weight: bold; margin-right: 15px;\">\u0110i\u1ec1u quan tr\u1ecdng!<\/span><br \/>\n<strong>C\u00e1c thao t\u00e1c quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e1y b\u01a1m:<\/strong>Ph\u1ea3i kh\u1edfi \u0111\u1ed9ng t\u1ed5 m\u00e1y d\u1ef1 ph\u00f2ng tr\u01b0\u1edbc \u0111\u1ec3 thay th\u1ebf t\u1ed5 m\u00e1y \u0111ang v\u1eadn h\u00e0nh; tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c t\u1eaft m\u00e1y tr\u1ef1c ti\u1ebfp!<\/div>\n<div style=\"margin-bottom: 15px; display: flex;\"><span style=\"color: #1f365c; font-weight: bold; margin-right: 15px;\">B\u01af\u1edaC 2<\/span><br \/>\nT\u1eaft l\u1ea7n l\u01b0\u1ee3t t\u1eebng m\u00e1y b\u01a1m v\u00e0 qu\u1ea1t th\u00f4ng gi\u00f3. Quan s\u00e1t \u0111\u1ed3ng h\u1ed3 \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n: khi t\u1eaft m\u1ed9t \u0111\u1ed9ng c\u01a1 n\u00e0o \u0111\u00f3 m\u00e0 \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n ph\u1ee5c h\u1ed3i, t\u1ee9c l\u00e0 \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u1ed9ng c\u01a1 b\u1ecb h\u1ecfng.<\/div>\n<div style=\"margin-bottom: 0; display: flex;\"><span style=\"color: #1f365c; font-weight: bold; margin-right: 15px;\">B\u01af\u1edaC 3<\/span><br \/>\nT\u1eaft m\u00e1y v\u00e0 ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb b\u1ecb s\u1ef1 c\u1ed1, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh c\u00e1c bi\u1ec7n ph\u00e1p x\u1eed l\u00fd c\u1ee5 th\u1ec3 nh\u1eb1m n\u00e2ng cao t\u00ednh c\u00e1ch \u0111i\u1ec7n (ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ea5y kh\u00f4, l\u00e0m s\u1ea1ch).<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<footer style=\"text-align: center; margin-top: 80px; padding-top: 30px; border-top: 1px solid #eee; color: #999; font-size: 13px;\">T\u00e0i li\u1ec7u \u0111\u00e0o t\u1ea1o th\u1ef1c h\u00e0nh cho K\u1ef9 thu\u1eadt vi\u00ean \u0110i\u1ec7n t\u1eed v\u00e0 \u0110i\u1ec7n tr\u00ean t\u00e0u (ETO) | Th\u1ef1c h\u00e0nh c\u00e1ch \u0111i\u1ec7n trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c | B\u1ea3n s\u1eeda \u0111\u1ed5i n\u0103m 2026<\/footer>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Th\u1ef1c h\u00e0nh t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1 c\u00e1ch \u0111i\u1ec7n trong m\u1ea1ng \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c t\u00e0u th\u1ee7y Quy tr\u00ecnh th\u1ef1c h\u00e0nh h\u1ec7 th\u1ed1ng \u0111\u1ed9ng l\u1ef1c 440V\/380V I. N\u1ed9i dung th\u1ef1c h\u00e0nh (1) Th\u1ef1c h\u00e0nh m\u00f4 ph\u1ecfng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c\u2026<\/p>","protected":false},"author":1,"featured_media":15576,"comment_status":"open","ping_status":"closed","template":"","dt_portfolio_category":[891],"dt_portfolio_tags":[],"class_list":["post-15575","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\/15575","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=15575"}],"version-history":[{"count":1,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15575\/revisions"}],"predecessor-version":[{"id":15577,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15575\/revisions\/15577"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media\/15576"}],"wp:attachment":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=15575"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_category?post=15575"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_tags?post=15575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}