{"id":799,"date":"2026-03-14T04:39:53","date_gmt":"2026-03-14T04:39:53","guid":{"rendered":"https:\/\/trieuminh.com\/?p=799"},"modified":"2026-03-14T04:39:53","modified_gmt":"2026-03-14T04:39:53","slug":"tcvn-7447","status":"publish","type":"post","link":"https:\/\/trieuminh.com\/en\/tcvn-7447\/","title":{"rendered":"\u00a0TCVN 7447"},"content":{"rendered":"<h1 data-section-id=\"8e5n6u\" data-start=\"504\" data-end=\"539\"><span class=\"ez-toc-section\" id=\"_TCVN_7447\"><\/span>\u00a0TCVN 7447<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"541\" data-end=\"658\"><strong data-start=\"541\" data-end=\"554\">TCVN 7447<\/strong> l\u00e0 b\u1ed9 <strong data-start=\"561\" data-end=\"615\">ti\u00eau chu\u1ea9n qu\u1ed1c gia v\u1ec1 h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n h\u1ea1 \u00e1p<\/strong>, \u00e1p d\u1ee5ng cho c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n \u00e1p:<\/p>\n<ul data-start=\"660\" data-end=\"693\">\n<li data-section-id=\"wxfcyh\" data-start=\"660\" data-end=\"676\">\n<p data-start=\"662\" data-end=\"676\">\u2264 <strong data-start=\"664\" data-end=\"676\">1000V AC<\/strong><\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#_TCVN_7447\" >\u00a0TCVN 7447<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#Cau_truc_cua_bo_tieu_chuan_TCVN_7447\" >C\u1ea5u tr\u00fac c\u1ee7a b\u1ed9 ti\u00eau chu\u1ea9n TCVN 7447<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#1_Phan_1_%E2%80%93_Nguyen_tac_co_ban\" >1. Ph\u1ea7n 1 \u2013 Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#2_Nhom_phan_4_%E2%80%93_Bao_ve_an_toan_he_thong_dien\" >2. Nh\u00f3m ph\u1ea7n 4 \u2013 B\u1ea3o v\u1ec7 an to\u00e0n h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#TCVN_7447-4-41\" >TCVN 7447-4-41<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#Bao_ve_chong_dien_giat\" >B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#TCVN_7447-4-42\" >TCVN 7447-4-42<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#Bao_ve_chong_anh_huong_nhiet\" >B\u1ea3o v\u1ec7 ch\u1ed1ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#TCVN_7447-4-43\" >TCVN 7447-4-43<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#Bao_ve_chong_qua_dong\" >B\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 d\u00f2ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#TCVN_7447-4-44\" >TCVN 7447-4-44<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#Bao_ve_chong_qua_ap_va_nhieu_dien\" >B\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 \u00e1p v\u00e0 nhi\u1ec5u \u0111i\u1ec7n<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#3_Nhom_phan_5_%E2%80%93_Lua_chon_va_lap_dat_thiet_bi_dien\" >3. Nh\u00f3m ph\u1ea7n 5 \u2013 L\u1ef1a ch\u1ecdn v\u00e0 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#TCVN_7447-5-51\" >TCVN 7447-5-51<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#Nguyen_tac_lua_chon_thiet_bi_dien\" >Nguy\u00ean t\u1eafc l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#TCVN_7447-5-52\" >TCVN 7447-5-52<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#He_thong_day_dan\" >H\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#TCVN_7447-5-53\" >TCVN 7447-5-53<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#Thiet_bi_dong_cat_va_dieu_khien\" >Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 \u0111i\u1ec1u khi\u1ec3n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#TCVN_7447-5-54\" >TCVN 7447-5-54<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#He_thong_noi_dat_va_day_bao_ve\" >H\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t v\u00e0 d\u00e2y b\u1ea3o v\u1ec7<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#4_Nhom_phan_6_%E2%80%93_Kiem_tra_he_thong_dien\" >4. Nh\u00f3m ph\u1ea7n 6 \u2013 Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#5_Nhom_phan_7_%E2%80%93_Cac_cong_trinh_dac_biet\" >5. Nh\u00f3m ph\u1ea7n 7 \u2013 C\u00e1c c\u00f4ng tr\u00ecnh \u0111\u1eb7c bi\u1ec7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#Nhung_noi_dung_quan_trong_nhat_cua_TCVN_7447_trong_thiet_ke_MEP\" >Nh\u1eefng n\u1ed9i dung quan tr\u1ecdng nh\u1ea5t c\u1ee7a TCVN 7447 trong thi\u1ebft k\u1ebf MEP<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#1_TCVN_7447-4-41\" >1. TCVN 7447-4-41<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#2_TCVN_7447-4-43\" >2. TCVN 7447-4-43<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#3_TCVN_7447-5-52\" >3. TCVN 7447-5-52<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#4_TCVN_7447-5-54\" >4. TCVN 7447-5-54<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#5_TCVN_7447-6\" >5. TCVN 7447-6<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#So_sanh_TCVN_7447_voi_IEC_60364\" >So s\u00e1nh TCVN 7447 v\u1edbi IEC 60364<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/trieuminh.com\/en\/tcvn-7447\/#Vai_tro_cua_TCVN_7447_trong_nganh_co_dien\" >Vai tr\u00f2 c\u1ee7a TCVN 7447 trong ng\u00e0nh c\u01a1 \u0111i\u1ec7n<\/a><\/li><\/ul><\/nav><\/div>\n\n<\/li>\n<li data-section-id=\"n4nbw9\" data-start=\"677\" data-end=\"693\">\n<p data-start=\"679\" data-end=\"693\">\u2264 <strong data-start=\"681\" data-end=\"693\">1500V DC<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"695\" data-end=\"737\">Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho c\u00e1c c\u00f4ng tr\u00ecnh:<\/p>\n<ul data-start=\"739\" data-end=\"920\">\n<li data-section-id=\"1xp7ljl\" data-start=\"739\" data-end=\"757\">\n<p data-start=\"741\" data-end=\"757\">Nh\u00e0 \u1edf d\u00e2n d\u1ee5ng<\/p>\n<\/li>\n<li data-section-id=\"5wwm6g\" data-start=\"758\" data-end=\"780\">\n<p data-start=\"760\" data-end=\"780\">T\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i<\/p>\n<\/li>\n<li data-section-id=\"j9dx6i\" data-start=\"781\" data-end=\"804\">\n<p data-start=\"783\" data-end=\"804\">Nh\u00e0 m\u00e1y c\u00f4ng nghi\u1ec7p<\/p>\n<\/li>\n<li data-section-id=\"49hoif\" data-start=\"805\" data-end=\"829\">\n<p data-start=\"807\" data-end=\"829\">C\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng<\/p>\n<\/li>\n<li data-section-id=\"b20tqo\" data-start=\"830\" data-end=\"920\">\n<p data-start=\"832\" data-end=\"920\">H\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1ea1m th\u1eddi (c\u00f4ng tr\u01b0\u1eddng, h\u1ed9i ch\u1ee3&#8230;)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"922\" data-end=\"946\">M\u1ee5c ti\u00eau c\u1ee7a ti\u00eau chu\u1ea9n:<\/p>\n<ul data-start=\"948\" data-end=\"1066\">\n<li data-section-id=\"k33yxf\" data-start=\"948\" data-end=\"974\">\n<p data-start=\"950\" data-end=\"974\">\u0110\u1ea3m b\u1ea3o <strong data-start=\"958\" data-end=\"974\">an to\u00e0n \u0111i\u1ec7n<\/strong><\/p>\n<\/li>\n<li data-section-id=\"1idhpz8\" data-start=\"975\" data-end=\"1005\">\n<p data-start=\"977\" data-end=\"1005\">\u0110\u1ea3m b\u1ea3o <strong data-start=\"985\" data-end=\"1005\">v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh<\/strong><\/p>\n<\/li>\n<li data-section-id=\"hmlfgw\" data-start=\"1006\" data-end=\"1031\">\n<p data-start=\"1008\" data-end=\"1031\">Ph\u00f2ng ch\u1ed1ng <strong data-start=\"1020\" data-end=\"1031\">ch\u00e1y n\u1ed5<\/strong><\/p>\n<\/li>\n<li data-section-id=\"17201zt\" data-start=\"1032\" data-end=\"1066\">\n<p data-start=\"1034\" data-end=\"1066\">B\u1ea3o v\u1ec7 <strong data-start=\"1041\" data-end=\"1066\">con ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1068\" data-end=\"1181\">Trong thi\u1ebft k\u1ebf <strong data-start=\"1083\" data-end=\"1118\">MEP v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u00f4ng tr\u00ecnh<\/strong>, TCVN 7447 g\u1ea7n nh\u01b0 l\u00e0 <strong data-start=\"1141\" data-end=\"1180\">ti\u00eau chu\u1ea9n b\u1eaft bu\u1ed9c ph\u1ea3i tham chi\u1ebfu<\/strong>.<\/p>\n<p data-start=\"1068\" data-end=\"1181\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-800\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/Tieu-chuan-TCVN-7447.png\" alt=\"\" width=\"225\" height=\"225\" \/><\/p>\n<hr data-start=\"1183\" data-end=\"1186\" \/>\n<h1 data-section-id=\"n1reo0\" data-start=\"1188\" data-end=\"1226\"><span class=\"ez-toc-section\" id=\"Cau_truc_cua_bo_tieu_chuan_TCVN_7447\"><\/span>C\u1ea5u tr\u00fac c\u1ee7a b\u1ed9 ti\u00eau chu\u1ea9n TCVN 7447<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"1228\" data-end=\"1325\">B\u1ed9 ti\u00eau chu\u1ea9n n\u00e0y <strong data-start=\"1246\" data-end=\"1264\">g\u1ed3m nhi\u1ec1u ph\u1ea7n<\/strong>, m\u1ed7i ph\u1ea7n quy \u0111\u1ecbnh m\u1ed9t n\u1ed9i dung kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/p>\n<h2 data-section-id=\"sdb7z1\" data-start=\"1327\" data-end=\"1359\"><span class=\"ez-toc-section\" id=\"1_Phan_1_%E2%80%93_Nguyen_tac_co_ban\"><\/span>1. Ph\u1ea7n 1 \u2013 Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1361\" data-end=\"1376\"><strong data-start=\"1361\" data-end=\"1376\">TCVN 7447-1<\/strong><\/p>\n<p data-start=\"1378\" data-end=\"1393\">N\u1ed9i dung ch\u00ednh:<\/p>\n<ul data-start=\"1395\" data-end=\"1519\">\n<li data-section-id=\"i1bsm9\" data-start=\"1395\" data-end=\"1430\">\n<p data-start=\"1397\" data-end=\"1430\">Nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/p>\n<\/li>\n<li data-section-id=\"1gllfot\" data-start=\"1431\" data-end=\"1456\">\n<p data-start=\"1433\" data-end=\"1456\">Ph\u00e2n lo\u1ea1i h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/p>\n<\/li>\n<li data-section-id=\"110m217\" data-start=\"1457\" data-end=\"1483\">\n<p data-start=\"1459\" data-end=\"1483\">\u0110\u1ecbnh ngh\u0129a c\u00e1c thu\u1eadt ng\u1eef<\/p>\n<\/li>\n<li data-section-id=\"co7m1o\" data-start=\"1484\" data-end=\"1519\">\n<p data-start=\"1486\" data-end=\"1519\">C\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1521\" data-end=\"1567\">\u0110\u00e2y l\u00e0 <strong data-start=\"1528\" data-end=\"1566\">n\u1ec1n t\u1ea3ng cho to\u00e0n b\u1ed9 b\u1ed9 ti\u00eau chu\u1ea9n<\/strong>.<\/p>\n<hr data-start=\"1569\" data-end=\"1572\" \/>\n<h1 data-section-id=\"ti3y2z\" data-start=\"1574\" data-end=\"1621\"><span class=\"ez-toc-section\" id=\"2_Nhom_phan_4_%E2%80%93_Bao_ve_an_toan_he_thong_dien\"><\/span>2. Nh\u00f3m ph\u1ea7n 4 \u2013 B\u1ea3o v\u1ec7 an to\u00e0n h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"1623\" data-end=\"1663\">Nh\u00f3m <strong data-start=\"1628\" data-end=\"1638\">Part 4<\/strong> l\u00e0 ph\u1ea7n quan tr\u1ecdng nh\u1ea5t.<\/p>\n<h2 data-section-id=\"8xxu3f\" data-start=\"1665\" data-end=\"1684\"><span class=\"ez-toc-section\" id=\"TCVN_7447-4-41\"><\/span>TCVN 7447-4-41<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"18wwzfw\" data-start=\"1685\" data-end=\"1711\"><span class=\"ez-toc-section\" id=\"Bao_ve_chong_dien_giat\"><\/span>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1713\" data-end=\"1722\">Quy \u0111\u1ecbnh:<\/p>\n<ul data-start=\"1724\" data-end=\"1849\">\n<li data-section-id=\"4q5oo2\" data-start=\"1724\" data-end=\"1755\">\n<p data-start=\"1726\" data-end=\"1755\">B\u1ea3o v\u1ec7 <strong data-start=\"1733\" data-end=\"1755\">ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp<\/strong><\/p>\n<\/li>\n<li data-section-id=\"1cdyn93\" data-start=\"1756\" data-end=\"1787\">\n<p data-start=\"1758\" data-end=\"1787\">B\u1ea3o v\u1ec7 <strong data-start=\"1765\" data-end=\"1787\">ti\u1ebfp x\u00fac gi\u00e1n ti\u1ebfp<\/strong><\/p>\n<\/li>\n<li data-section-id=\"dsql5b\" data-start=\"1788\" data-end=\"1814\">\n<p data-start=\"1790\" data-end=\"1814\">H\u1ec7 th\u1ed1ng <strong data-start=\"1799\" data-end=\"1814\">SELV \/ PELV<\/strong><\/p>\n<\/li>\n<li data-section-id=\"2jex5g\" data-start=\"1815\" data-end=\"1849\">\n<p data-start=\"1817\" data-end=\"1849\">Bi\u1ec7n ph\u00e1p <strong data-start=\"1827\" data-end=\"1849\">t\u1ef1 \u0111\u1ed9ng ng\u1eaft ngu\u1ed3n<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1851\" data-end=\"1884\">C\u00e1c h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp:<\/p>\n<ul data-start=\"1886\" data-end=\"1912\">\n<li data-section-id=\"er5bm\" data-start=\"1886\" data-end=\"1894\">\n<p data-start=\"1888\" data-end=\"1894\"><strong data-start=\"1888\" data-end=\"1894\">TN<\/strong><\/p>\n<\/li>\n<li data-section-id=\"eqwmg\" data-start=\"1895\" data-end=\"1903\">\n<p data-start=\"1897\" data-end=\"1903\"><strong data-start=\"1897\" data-end=\"1903\">TT<\/strong><\/p>\n<\/li>\n<li data-section-id=\"e42c5\" data-start=\"1904\" data-end=\"1912\">\n<p data-start=\"1906\" data-end=\"1912\"><strong data-start=\"1906\" data-end=\"1912\">IT<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1914\" data-end=\"1979\">\u0110\u00e2y l\u00e0 ph\u1ea7n <strong data-start=\"1926\" data-end=\"1978\">li\u00ean quan nhi\u1ec1u \u0111\u1ebfn ti\u1ebfp \u0111\u1ecba v\u00e0 b\u1ea3o v\u1ec7 \u0111i\u1ec7n gi\u1eadt<\/strong>.<\/p>\n<hr data-start=\"1981\" data-end=\"1984\" \/>\n<h2 data-section-id=\"8xxt7c\" data-start=\"1986\" data-end=\"2005\"><span class=\"ez-toc-section\" id=\"TCVN_7447-4-42\"><\/span>TCVN 7447-4-42<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"1v2j5x9\" data-start=\"2006\" data-end=\"2038\"><span class=\"ez-toc-section\" id=\"Bao_ve_chong_anh_huong_nhiet\"><\/span>B\u1ea3o v\u1ec7 ch\u1ed1ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2040\" data-end=\"2052\">Quy \u0111\u1ecbnh v\u1ec1:<\/p>\n<ul data-start=\"2054\" data-end=\"2154\">\n<li data-section-id=\"1vunz81\" data-start=\"2054\" data-end=\"2091\">\n<p data-start=\"2056\" data-end=\"2091\">Ng\u0103n ng\u1eeba <strong data-start=\"2066\" data-end=\"2091\">ch\u00e1y do thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/strong><\/p>\n<\/li>\n<li data-section-id=\"4m2buv\" data-start=\"2092\" data-end=\"2124\">\n<p data-start=\"2094\" data-end=\"2124\">Ki\u1ec3m so\u00e1t <strong data-start=\"2104\" data-end=\"2124\">nhi\u1ec7t \u0111\u1ed9 d\u00e2y d\u1eabn<\/strong><\/p>\n<\/li>\n<li data-section-id=\"5hlxst\" data-start=\"2125\" data-end=\"2154\">\n<p data-start=\"2127\" data-end=\"2154\">B\u1ea3o v\u1ec7 <strong data-start=\"2134\" data-end=\"2154\">v\u1eadt li\u1ec7u d\u1ec5 ch\u00e1y<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2156\" data-end=\"2198\">Ph\u1ea7n n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng khi thi\u1ebft k\u1ebf:<\/p>\n<ul data-start=\"2200\" data-end=\"2235\">\n<li data-section-id=\"zcmb0q\" data-start=\"2200\" data-end=\"2209\">\n<p data-start=\"2202\" data-end=\"2209\">T\u1ee7 \u0111i\u1ec7n<\/p>\n<\/li>\n<li data-section-id=\"1nlehtd\" data-start=\"2210\" data-end=\"2224\">\n<p data-start=\"2212\" data-end=\"2224\">H\u1ec7 th\u1ed1ng c\u00e1p<\/p>\n<\/li>\n<li data-section-id=\"1ox20v3\" data-start=\"2225\" data-end=\"2235\">\n<p data-start=\"2227\" data-end=\"2235\">M\u00e1ng c\u00e1p<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2237\" data-end=\"2240\" \/>\n<h2 data-section-id=\"8xxsex\" data-start=\"2242\" data-end=\"2261\"><span class=\"ez-toc-section\" id=\"TCVN_7447-4-43\"><\/span>TCVN 7447-4-43<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"1bs6bn4\" data-start=\"2262\" data-end=\"2287\"><span class=\"ez-toc-section\" id=\"Bao_ve_chong_qua_dong\"><\/span>B\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 d\u00f2ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2289\" data-end=\"2298\">Quy \u0111\u1ecbnh:<\/p>\n<ul data-start=\"2300\" data-end=\"2370\">\n<li data-section-id=\"ymwscs\" data-start=\"2300\" data-end=\"2320\">\n<p data-start=\"2302\" data-end=\"2320\">B\u1ea3o v\u1ec7 <strong data-start=\"2309\" data-end=\"2320\">qu\u00e1 t\u1ea3i<\/strong><\/p>\n<\/li>\n<li data-section-id=\"je7l2w\" data-start=\"2321\" data-end=\"2343\">\n<p data-start=\"2323\" data-end=\"2343\">B\u1ea3o v\u1ec7 <strong data-start=\"2330\" data-end=\"2343\">ng\u1eafn m\u1ea1ch<\/strong><\/p>\n<\/li>\n<li data-section-id=\"2wp1nf\" data-start=\"2344\" data-end=\"2370\">\n<p data-start=\"2346\" data-end=\"2370\">Ph\u1ed1i h\u1ee3p thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2372\" data-end=\"2396\">Li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn:<\/p>\n<ul data-start=\"2398\" data-end=\"2428\">\n<li data-section-id=\"ee8ax\" data-start=\"2398\" data-end=\"2406\">\n<p data-start=\"2400\" data-end=\"2406\"><strong data-start=\"2400\" data-end=\"2406\">CB<\/strong><\/p>\n<\/li>\n<li data-section-id=\"2x82sn\" data-start=\"2407\" data-end=\"2417\">\n<p data-start=\"2409\" data-end=\"2417\"><strong data-start=\"2409\" data-end=\"2417\">MCCB<\/strong><\/p>\n<\/li>\n<li data-section-id=\"8br9rh\" data-start=\"2418\" data-end=\"2428\">\n<p data-start=\"2420\" data-end=\"2428\"><strong data-start=\"2420\" data-end=\"2428\">Fuse<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2430\" data-end=\"2487\">\u0110\u00e2y l\u00e0 ph\u1ea7n c\u1ef1c k\u1ef3 quan tr\u1ecdng trong <strong data-start=\"2466\" data-end=\"2486\">thi\u1ebft k\u1ebf t\u1ee7 \u0111i\u1ec7n<\/strong>.<\/p>\n<hr data-start=\"2489\" data-end=\"2492\" \/>\n<h2 data-section-id=\"8xxy8u\" data-start=\"2494\" data-end=\"2513\"><span class=\"ez-toc-section\" id=\"TCVN_7447-4-44\"><\/span>TCVN 7447-4-44<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"gaqr8m\" data-start=\"2514\" data-end=\"2551\"><span class=\"ez-toc-section\" id=\"Bao_ve_chong_qua_ap_va_nhieu_dien\"><\/span>B\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 \u00e1p v\u00e0 nhi\u1ec5u \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2553\" data-end=\"2561\">Bao g\u1ed3m:<\/p>\n<ul data-start=\"2563\" data-end=\"2623\">\n<li data-section-id=\"1pqc2wp\" data-start=\"2563\" data-end=\"2582\">\n<p data-start=\"2565\" data-end=\"2582\">Qu\u00e1 \u00e1p do <strong data-start=\"2575\" data-end=\"2582\">s\u00e9t<\/strong><\/p>\n<\/li>\n<li data-section-id=\"1sjaso4\" data-start=\"2583\" data-end=\"2607\">\n<p data-start=\"2585\" data-end=\"2607\">Qu\u00e1 \u00e1p do <strong data-start=\"2595\" data-end=\"2607\">\u0111\u00f3ng c\u1eaft<\/strong><\/p>\n<\/li>\n<li data-section-id=\"fg78bd\" data-start=\"2608\" data-end=\"2623\">\n<p data-start=\"2610\" data-end=\"2623\">Nhi\u1ec5u \u0111i\u1ec7n t\u1eeb<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2625\" data-end=\"2644\">Th\u01b0\u1eddng \u00e1p d\u1ee5ng cho:<\/p>\n<ul data-start=\"2646\" data-end=\"2702\">\n<li data-section-id=\"1u4tcvn\" data-start=\"2646\" data-end=\"2659\">\n<p data-start=\"2648\" data-end=\"2659\">Data center<\/p>\n<\/li>\n<li data-section-id=\"6il37s\" data-start=\"2660\" data-end=\"2681\">\n<p data-start=\"2662\" data-end=\"2681\">H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n<\/p>\n<\/li>\n<li data-section-id=\"1pssb56\" data-start=\"2682\" data-end=\"2702\">\n<p data-start=\"2684\" data-end=\"2702\">T\u00f2a nh\u00e0 th\u00f4ng minh<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2704\" data-end=\"2707\" \/>\n<h1 data-section-id=\"1ota629\" data-start=\"2709\" data-end=\"2761\"><span class=\"ez-toc-section\" id=\"3_Nhom_phan_5_%E2%80%93_Lua_chon_va_lap_dat_thiet_bi_dien\"><\/span>3. Nh\u00f3m ph\u1ea7n 5 \u2013 L\u1ef1a ch\u1ecdn v\u00e0 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"2763\" data-end=\"2820\">Nh\u00f3m n\u00e0y quy \u0111\u1ecbnh <strong data-start=\"2781\" data-end=\"2819\">c\u00e1ch ch\u1ecdn v\u00e0 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/strong>.<\/p>\n<h2 data-section-id=\"9l7vff\" data-start=\"2822\" data-end=\"2841\"><span class=\"ez-toc-section\" id=\"TCVN_7447-5-51\"><\/span>TCVN 7447-5-51<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"17z4snh\" data-start=\"2842\" data-end=\"2879\"><span class=\"ez-toc-section\" id=\"Nguyen_tac_lua_chon_thiet_bi_dien\"><\/span>Nguy\u00ean t\u1eafc l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2881\" data-end=\"2890\">Quy \u0111\u1ecbnh:<\/p>\n<ul data-start=\"2892\" data-end=\"2951\">\n<li data-section-id=\"t3862k\" data-start=\"2892\" data-end=\"2914\">\n<p data-start=\"2894\" data-end=\"2914\">\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/p>\n<\/li>\n<li data-section-id=\"1n2h508\" data-start=\"2915\" data-end=\"2930\">\n<p data-start=\"2917\" data-end=\"2930\">C\u1ea5p b\u1ea3o v\u1ec7 IP<\/p>\n<\/li>\n<li data-section-id=\"17vw12e\" data-start=\"2931\" data-end=\"2951\">\n<p data-start=\"2933\" data-end=\"2951\">Kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2953\" data-end=\"2956\" \/>\n<h2 data-section-id=\"9l7ujc\" data-start=\"2958\" data-end=\"2977\"><span class=\"ez-toc-section\" id=\"TCVN_7447-5-52\"><\/span>TCVN 7447-5-52<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"gvc9w3\" data-start=\"2978\" data-end=\"2998\"><span class=\"ez-toc-section\" id=\"He_thong_day_dan\"><\/span>H\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3000\" data-end=\"3009\">Quy \u0111\u1ecbnh:<\/p>\n<ul data-start=\"3011\" data-end=\"3095\">\n<li data-section-id=\"4crzmo\" data-start=\"3011\" data-end=\"3035\">\n<p data-start=\"3013\" data-end=\"3035\">Ch\u1ecdn <strong data-start=\"3018\" data-end=\"3035\">ti\u1ebft di\u1ec7n c\u00e1p<\/strong><\/p>\n<\/li>\n<li data-section-id=\"3zec9q\" data-start=\"3036\" data-end=\"3069\">\n<p data-start=\"3038\" data-end=\"3069\">Ph\u01b0\u01a1ng ph\u00e1p <strong data-start=\"3050\" data-end=\"3069\">l\u1eafp \u0111\u1eb7t d\u00e2y d\u1eabn<\/strong><\/p>\n<\/li>\n<li data-section-id=\"1ug0dl7\" data-start=\"3070\" data-end=\"3095\">\n<p data-start=\"3072\" data-end=\"3095\">\u0110i\u1ec1u ki\u1ec7n <strong data-start=\"3082\" data-end=\"3095\">t\u1ea3n nhi\u1ec7t<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3097\" data-end=\"3156\">\u0110\u00e2y l\u00e0 ph\u1ea7n <strong data-start=\"3109\" data-end=\"3155\">li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u00ednh to\u00e1n c\u00e1p \u0111i\u1ec7n<\/strong>.<\/p>\n<hr data-start=\"3158\" data-end=\"3161\" \/>\n<h2 data-section-id=\"9l7tqx\" data-start=\"3163\" data-end=\"3182\"><span class=\"ez-toc-section\" id=\"TCVN_7447-5-53\"><\/span>TCVN 7447-5-53<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"1e92t3z\" data-start=\"3183\" data-end=\"3218\"><span class=\"ez-toc-section\" id=\"Thiet_bi_dong_cat_va_dieu_khien\"><\/span>Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 \u0111i\u1ec1u khi\u1ec3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3220\" data-end=\"3228\">Bao g\u1ed3m:<\/p>\n<ul data-start=\"3230\" data-end=\"3262\">\n<li data-section-id=\"yhmtqh\" data-start=\"3230\" data-end=\"3234\">\n<p data-start=\"3232\" data-end=\"3234\">CB<\/p>\n<\/li>\n<li data-section-id=\"rzxn83\" data-start=\"3235\" data-end=\"3244\">\n<p data-start=\"3237\" data-end=\"3244\">c\u1ea7u dao<\/p>\n<\/li>\n<li data-section-id=\"1vu8yow\" data-start=\"3245\" data-end=\"3262\">\n<p data-start=\"3247\" data-end=\"3262\">thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3264\" data-end=\"3273\">Quy \u0111\u1ecbnh:<\/p>\n<ul data-start=\"3275\" data-end=\"3308\">\n<li data-section-id=\"1odueid\" data-start=\"3275\" data-end=\"3290\">\n<p data-start=\"3277\" data-end=\"3290\">c\u00e1ch l\u1ef1a ch\u1ecdn<\/p>\n<\/li>\n<li data-section-id=\"lbz8cs\" data-start=\"3291\" data-end=\"3308\">\n<p data-start=\"3293\" data-end=\"3308\">ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3310\" data-end=\"3313\" \/>\n<h2 data-section-id=\"9l7zku\" data-start=\"3315\" data-end=\"3334\"><span class=\"ez-toc-section\" id=\"TCVN_7447-5-54\"><\/span>TCVN 7447-5-54<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"1o12t8t\" data-start=\"3335\" data-end=\"3369\"><span class=\"ez-toc-section\" id=\"He_thong_noi_dat_va_day_bao_ve\"><\/span>H\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t v\u00e0 d\u00e2y b\u1ea3o v\u1ec7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3371\" data-end=\"3397\">\u0110\u00e2y l\u00e0 ph\u1ea7n li\u00ean quan \u0111\u1ebfn:<\/p>\n<ul data-start=\"3399\" data-end=\"3438\">\n<li data-section-id=\"1wj64wx\" data-start=\"3399\" data-end=\"3409\">\n<p data-start=\"3401\" data-end=\"3409\">ti\u1ebfp \u0111\u1ecba<\/p>\n<\/li>\n<li data-section-id=\"1dgcww2\" data-start=\"3410\" data-end=\"3418\">\n<p data-start=\"3412\" data-end=\"3418\">d\u00e2y PE<\/p>\n<\/li>\n<li data-section-id=\"qjkc75\" data-start=\"3419\" data-end=\"3438\">\n<p data-start=\"3421\" data-end=\"3438\">li\u00ean k\u1ebft \u0111\u1eb3ng th\u1ebf<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3440\" data-end=\"3528\">Ph\u1ea7n n\u00e0y th\u01b0\u1eddng <strong data-start=\"3456\" data-end=\"3488\">b\u1ecb nh\u1ea7m l\u00e0 to\u00e0n b\u1ed9 TCVN 7447<\/strong>, nh\u01b0ng th\u1ef1c t\u1ebf ch\u1ec9 l\u00e0 <strong data-start=\"3511\" data-end=\"3527\">m\u1ed9t ph\u1ea7n nh\u1ecf<\/strong>.<\/p>\n<hr data-start=\"3530\" data-end=\"3533\" \/>\n<h1 data-section-id=\"1ev6vtt\" data-start=\"3535\" data-end=\"3576\"><span class=\"ez-toc-section\" id=\"4_Nhom_phan_6_%E2%80%93_Kiem_tra_he_thong_dien\"><\/span>4. Nh\u00f3m ph\u1ea7n 6 \u2013 Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"3578\" data-end=\"3593\"><strong data-start=\"3578\" data-end=\"3593\">TCVN 7447-6<\/strong><\/p>\n<p data-start=\"3595\" data-end=\"3607\">Quy \u0111\u1ecbnh v\u1ec1:<\/p>\n<ul data-start=\"3609\" data-end=\"3732\">\n<li data-section-id=\"1dy5892\" data-start=\"3609\" data-end=\"3652\">\n<p data-start=\"3611\" data-end=\"3652\">Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tr\u01b0\u1edbc khi v\u1eadn h\u00e0nh<\/p>\n<\/li>\n<li data-section-id=\"lrry6b\" data-start=\"3653\" data-end=\"3675\">\n<p data-start=\"3655\" data-end=\"3675\">Th\u1eed nghi\u1ec7m c\u00e1ch \u0111i\u1ec7n<\/p>\n<\/li>\n<li data-section-id=\"2oarw6\" data-start=\"3676\" data-end=\"3698\">\n<p data-start=\"3678\" data-end=\"3698\">\u0110o \u0111i\u1ec7n tr\u1edf ti\u1ebfp \u0111\u1ecba<\/p>\n<\/li>\n<li data-section-id=\"nvu5gp\" data-start=\"3699\" data-end=\"3732\">\n<p data-start=\"3701\" data-end=\"3732\">Ki\u1ec3m tra b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3734\" data-end=\"3805\">\u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u trong <strong data-start=\"3774\" data-end=\"3804\">nghi\u1ec7m thu c\u00f4ng tr\u00ecnh \u0111i\u1ec7n<\/strong>.<\/p>\n<hr data-start=\"3807\" data-end=\"3810\" \/>\n<h1 data-section-id=\"ey72ce\" data-start=\"3812\" data-end=\"3854\"><span class=\"ez-toc-section\" id=\"5_Nhom_phan_7_%E2%80%93_Cac_cong_trinh_dac_biet\"><\/span>5. Nh\u00f3m ph\u1ea7n 7 \u2013 C\u00e1c c\u00f4ng tr\u00ecnh \u0111\u1eb7c bi\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"3856\" data-end=\"3908\">Nh\u00f3m n\u00e0y quy \u0111\u1ecbnh ri\u00eang cho c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t.<\/p>\n<p data-start=\"3910\" data-end=\"3916\">V\u00ed d\u1ee5:<\/p>\n<ul data-start=\"3918\" data-end=\"3983\">\n<li data-section-id=\"1lw7uqh\" data-start=\"3918\" data-end=\"3926\">\n<p data-start=\"3920\" data-end=\"3926\">H\u1ed3 b\u01a1i<\/p>\n<\/li>\n<li data-section-id=\"g2946j\" data-start=\"3927\" data-end=\"3949\">\n<p data-start=\"3929\" data-end=\"3949\">C\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng<\/p>\n<\/li>\n<li data-section-id=\"1dzao88\" data-start=\"3950\" data-end=\"3962\">\n<p data-start=\"3952\" data-end=\"3962\">Trang tr\u1ea1i<\/p>\n<\/li>\n<li data-section-id=\"1tky0ds\" data-start=\"3963\" data-end=\"3971\">\n<p data-start=\"3965\" data-end=\"3971\">Marina<\/p>\n<\/li>\n<li data-section-id=\"nlrjel\" data-start=\"3972\" data-end=\"3983\">\n<p data-start=\"3974\" data-end=\"3983\">B\u1ec7nh vi\u1ec7n<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3985\" data-end=\"4051\">Nh\u1eefng khu v\u1ef1c n\u00e0y c\u00f3 <strong data-start=\"4006\" data-end=\"4050\">y\u00eau c\u1ea7u an to\u00e0n \u0111i\u1ec7n cao h\u01a1n b\u00ecnh th\u01b0\u1eddng<\/strong>.<\/p>\n<hr data-start=\"4053\" data-end=\"4056\" \/>\n<h1 data-section-id=\"xwqxye\" data-start=\"4058\" data-end=\"4123\"><span class=\"ez-toc-section\" id=\"Nhung_noi_dung_quan_trong_nhat_cua_TCVN_7447_trong_thiet_ke_MEP\"><\/span>Nh\u1eefng n\u1ed9i dung quan tr\u1ecdng nh\u1ea5t c\u1ee7a TCVN 7447 trong thi\u1ebft k\u1ebf MEP<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"4125\" data-end=\"4206\">Trong th\u1ef1c t\u1ebf thi\u1ebft k\u1ebf c\u01a1 \u0111i\u1ec7n, c\u00e1c k\u1ef9 s\u01b0 th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n sau nhi\u1ec1u nh\u1ea5t:<\/p>\n<h3 data-section-id=\"1r1d0lj\" data-start=\"4208\" data-end=\"4231\"><span class=\"ez-toc-section\" id=\"1_TCVN_7447-4-41\"><\/span>1. TCVN 7447-4-41<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4232\" data-end=\"4256\">\u2192 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt<\/p>\n<h3 data-section-id=\"235gcm\" data-start=\"4258\" data-end=\"4281\"><span class=\"ez-toc-section\" id=\"2_TCVN_7447-4-43\"><\/span>2. TCVN 7447-4-43<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4282\" data-end=\"4310\">\u2192 ch\u1ecdn CB v\u00e0 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng<\/p>\n<h3 data-section-id=\"k4f30m\" data-start=\"4312\" data-end=\"4335\"><span class=\"ez-toc-section\" id=\"3_TCVN_7447-5-52\"><\/span>3. TCVN 7447-5-52<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4336\" data-end=\"4356\">\u2192 t\u00ednh to\u00e1n c\u00e1p \u0111i\u1ec7n<\/p>\n<h3 data-section-id=\"1i2c4hz\" data-start=\"4358\" data-end=\"4381\"><span class=\"ez-toc-section\" id=\"4_TCVN_7447-5-54\"><\/span>4. TCVN 7447-5-54<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4382\" data-end=\"4401\">\u2192 h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba<\/p>\n<h3 data-section-id=\"1rwyqvd\" data-start=\"4403\" data-end=\"4423\"><span class=\"ez-toc-section\" id=\"5_TCVN_7447-6\"><\/span>5. TCVN 7447-6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4424\" data-end=\"4445\">\u2192 ki\u1ec3m tra nghi\u1ec7m thu<\/p>\n<hr data-start=\"4447\" data-end=\"4450\" \/>\n<h1 data-section-id=\"1e9c8n1\" data-start=\"4452\" data-end=\"4485\"><span class=\"ez-toc-section\" id=\"So_sanh_TCVN_7447_voi_IEC_60364\"><\/span>So s\u00e1nh TCVN 7447 v\u1edbi IEC 60364<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"4487\" data-end=\"4544\">TCVN 7447 th\u1ef1c ch\u1ea5t l\u00e0 <strong data-start=\"4510\" data-end=\"4543\">b\u1ea3n n\u1ed9i \u0111\u1ecba h\u00f3a c\u1ee7a IEC 60364<\/strong>.<\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4546\" data-end=\"4652\">\n<thead data-start=\"4546\" data-end=\"4570\">\n<tr data-start=\"4546\" data-end=\"4570\">\n<th class=\"\" data-start=\"4546\" data-end=\"4559\" data-col-size=\"sm\">Ti\u00eau chu\u1ea9n<\/th>\n<th class=\"\" data-start=\"4559\" data-end=\"4570\" data-col-size=\"sm\">Ph\u1ea1m vi<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4581\" data-end=\"4652\">\n<tr data-start=\"4581\" data-end=\"4615\">\n<td data-start=\"4581\" data-end=\"4593\" data-col-size=\"sm\">IEC 60364<\/td>\n<td data-start=\"4593\" data-end=\"4615\" data-col-size=\"sm\">ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf<\/td>\n<\/tr>\n<tr data-start=\"4616\" data-end=\"4652\">\n<td data-start=\"4616\" data-end=\"4628\" data-col-size=\"sm\">TCVN 7447<\/td>\n<td data-col-size=\"sm\" data-start=\"4628\" data-end=\"4652\">\u00e1p d\u1ee5ng t\u1ea1i Vi\u1ec7t Nam<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"4654\" data-end=\"4703\">N\u1ed9i dung k\u1ef9 thu\u1eadt g\u1ea7n nh\u01b0 <strong data-start=\"4680\" data-end=\"4702\">t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 90\u201395%<\/strong>.<\/p>\n<hr data-start=\"4705\" data-end=\"4708\" \/>\n<h1 data-section-id=\"1rdkcfu\" data-start=\"4710\" data-end=\"4753\"><span class=\"ez-toc-section\" id=\"Vai_tro_cua_TCVN_7447_trong_nganh_co_dien\"><\/span>Vai tr\u00f2 c\u1ee7a TCVN 7447 trong ng\u00e0nh c\u01a1 \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"4755\" data-end=\"4794\">Ti\u00eau chu\u1ea9n n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn:<\/p>\n<ul data-start=\"4796\" data-end=\"4894\">\n<li data-section-id=\"vzb5lk\" data-start=\"4796\" data-end=\"4820\">\n<p data-start=\"4798\" data-end=\"4820\">thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/p>\n<\/li>\n<li data-section-id=\"1w50u8q\" data-start=\"4821\" data-end=\"4845\">\n<p data-start=\"4823\" data-end=\"4845\">l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/p>\n<\/li>\n<li data-section-id=\"n9ls9l\" data-start=\"4846\" data-end=\"4870\">\n<p data-start=\"4848\" data-end=\"4870\">thi c\u00f4ng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/p>\n<\/li>\n<li data-section-id=\"uq6fl\" data-start=\"4871\" data-end=\"4894\">\n<p data-start=\"4873\" data-end=\"4894\">nghi\u1ec7m thu c\u00f4ng tr\u00ecnh<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4896\" data-end=\"4924\">\u0110\u1eb7c bi\u1ec7t trong c\u00e1c h\u1ec7 th\u1ed1ng:<\/p>\n<ul data-start=\"4926\" data-end=\"4983\">\n<li data-section-id=\"19dtxs9\" data-start=\"4926\" data-end=\"4935\">\n<p data-start=\"4928\" data-end=\"4935\">t\u00f2a nh\u00e0<\/p>\n<\/li>\n<li data-section-id=\"fxqssb\" data-start=\"4936\" data-end=\"4945\">\n<p data-start=\"4938\" data-end=\"4945\">nh\u00e0 m\u00e1y<\/p>\n<\/li>\n<li data-section-id=\"1e17bg5\" data-start=\"4946\" data-end=\"4965\">\n<p data-start=\"4948\" data-end=\"4965\">trung t\u00e2m d\u1eef li\u1ec7u<\/p>\n<\/li>\n<li data-section-id=\"1mclocf\" data-start=\"4966\" data-end=\"4983\">\n<p data-start=\"4968\" data-end=\"4983\">khu c\u00f4ng nghi\u1ec7p<\/p>\n<\/li>\n<\/ul>\n<p><a title=\"T\u1ea2I V\u1ec0 TI\u00caU CHU\u1ea8N 7447\" href=\"https:\/\/drive.google.com\/file\/d\/1Cy3J4hyl7DunNYIlom8rQ5vgEHW9TpOb\/view?usp=drive_link\" target=\"_blank\" rel=\"noopener\">T\u1ea2I V\u1ec0 TI\u00caU CHU\u1ea8N 7447<\/a><\/p>\n<hr data-start=\"4985\" data-end=\"4988\" \/>\n<p data-start=\"5206\" data-end=\"5339\">\n<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00a0TCVN 7447 TCVN 7447 l\u00e0 b\u1ed9 ti\u00eau chu\u1ea9n qu\u1ed1c gia v\u1ec1 h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n h\u1ea1 \u00e1p, \u00e1p d\u1ee5ng cho c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n \u00e1p: \u2264 1000V AC \u2264 1500V DC Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho c\u00e1c c\u00f4ng tr\u00ecnh: Nh\u00e0 \u1edf d\u00e2n d\u1ee5ng T\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i Nh\u00e0 m\u00e1y c\u00f4ng nghi\u1ec7p<\/p>","protected":false},"author":1,"featured_media":800,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[28,45,43,44],"class_list":["post-799","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tai-lieu","tag-cong-ty-trieu-minh","tag-dien-nhe","tag-tcvn-7447","tag-thi-cong-he-thong-dien"],"_links":{"self":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts\/799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/comments?post=799"}],"version-history":[{"count":1,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts\/799\/revisions"}],"predecessor-version":[{"id":801,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts\/799\/revisions\/801"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/media\/800"}],"wp:attachment":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/media?parent=799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/categories?post=799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/tags?post=799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}