{"id":16936,"date":"2025-04-17T12:14:48","date_gmt":"2025-04-17T05:14:48","guid":{"rendered":"https:\/\/lctech.vn\/?p=16936"},"modified":"2025-04-17T12:15:15","modified_gmt":"2025-04-17T05:15:15","slug":"lap-dat-dien-3-pha","status":"publish","type":"post","link":"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/","title":{"rendered":"L\u1eafp \u0110\u1eb7t \u0110i\u1ec7n 3 Pha Cho M\u1ee5c \u0110\u00edch S\u1ea3n Xu\u1ea5t: H\u01b0\u1edbng D\u1eabn To\u00e0n Di\u1ec7n T\u1eeb A-Z (C\u1eadp Nh\u1eadt 2025)"},"content":{"rendered":"<p data-sourcepos=\"7:1-7:558\">Trong b\u1ed1i c\u1ea3nh c\u00f4ng nghi\u1ec7p h\u00f3a, hi\u1ec7n \u0111\u1ea1i h\u00f3a ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd t\u1ea1i Vi\u1ec7t Nam, nhu c\u1ea7u v\u1ec1 m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh, m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u qu\u1ea3 cho ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n \u0111\u1ed1i v\u1edbi m\u1ecdi doanh nghi\u1ec7p. Khi nh\u1eefng c\u1ed7 m\u00e1y c\u00f4ng su\u1ea5t l\u1edbn, d\u00e2y chuy\u1ec1n t\u1ef1 \u0111\u1ed9ng h\u00f3a ph\u1ee9c t\u1ea1p tr\u1edf th\u00e0nh tr\u00e1i tim c\u1ee7a nh\u00e0 x\u01b0\u1edfng, ngu\u1ed3n \u0111i\u1ec7n 1 pha d\u00e2n d\u1ee5ng th\u00f4ng th\u01b0\u1eddng t\u1ecf ra y\u1ebfu th\u1ebf v\u00e0 kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac <strong>\u0111i\u1ec7n 3 pha s\u1ea3n xu\u1ea5t<\/strong> b\u01b0\u1edbc l\u00ean v\u0169 \u0111\u00e0i, tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u01b0u, l\u00e0 n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n<p data-sourcepos=\"9:1-9:406\">Tuy nhi\u00ean, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i hay l\u1eafp \u0111\u1eb7t m\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha kh\u00f4ng \u0111\u01a1n gi\u1ea3n nh\u01b0 c\u1eafm m\u1ed9t chi\u1ebfc ph\u00edch c\u1eafm. N\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 k\u1ef9 thu\u1eadt, quy tr\u00ecnh ph\u00e1p l\u00fd ph\u1ee9c t\u1ea1p v\u00e0 s\u1ef1 \u0111\u1ea7u t\u01b0 b\u00e0i b\u1ea3n. B\u1ea1n \u0111ang \u1ea5p \u1ee7 d\u1ef1 \u0111\u1ecbnh m\u1edf r\u1ed9ng nh\u00e0 x\u01b0\u1edfng? B\u1ea1n chu\u1ea9n b\u1ecb \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh nh\u1eefng thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p h\u1ea1ng n\u1eb7ng? Hay \u0111\u01a1n gi\u1ea3n l\u00e0 b\u1ea1n mu\u1ed1n t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng cho ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t hi\u1ec7n t\u1ea1i?<\/p>\n<p data-sourcepos=\"11:1-11:453\">B\u00e0i vi\u1ebft n\u00e0y ch\u00ednh l\u00e0 kim ch\u1ec9 nam to\u00e0n di\u1ec7n d\u00e0nh cho b\u1ea1n. V\u1edbi vai tr\u00f2 l\u00e0 chuy\u00ean gia trong l\u0129nh v\u1ef1c n\u00e0y, ch\u00fang t\u00f4i s\u1ebd c\u00f9ng b\u1ea1n \u0111i s\u00e2u v\u00e0o t\u1eebng kh\u00eda c\u1ea1nh c\u1ee7a vi\u1ec7c <strong>l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n 3 pha cho m\u1ee5c \u0111\u00edch s\u1ea3n xu\u1ea5t<\/strong>: t\u1eeb vi\u1ec7c hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t v\u00e0 l\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3, n\u1eafm v\u1eefng c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u00e0 th\u1ee7 t\u1ee5c \u0111\u0103ng k\u00fd ph\u1ee9c t\u1ea1p v\u1edbi ng\u00e0nh \u0110i\u1ec7n l\u1ef1c (EVN), cho \u0111\u1ebfn quy tr\u00ecnh thi c\u00f4ng an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u00e0 nh\u1eefng l\u01b0u \u00fd &#8220;v\u00e0ng&#8221; v\u1ec1 chi ph\u00ed c\u0169ng nh\u01b0 v\u1eadn h\u00e0nh. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1!<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 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\">M\u1ee5c l\u1ee5c b\u00e0i vi\u1ebft<\/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=\"\ubaa9\ucc28 \ud1a0\uae00\"><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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Tim_Hieu_Sau_Ve_Dien_3_Pha_Nen_Tang_Cho_San_Xuat_Cong_Nghiep\" >T\u00ecm Hi\u1ec3u S\u00e2u V\u1ec1 \u0110i\u1ec7n 3 Pha: N\u1ec1n T\u1ea3ng Cho S\u1ea3n Xu\u1ea5t C\u00f4ng Nghi\u1ec7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Dien_3_pha_la_gi_Giai_thich_chi_tiet_va_de_hieu\" >\u0110i\u1ec7n 3 pha l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch chi ti\u1ebft v\u00e0 d\u1ec5 hi\u1ec3u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Tai_sao_Dien_3_Pha_la_Lua_Chon_Toi_Uu_cho_Nha_Xuong_va_San_Xuat\" >T\u1ea1i sao \u0110i\u1ec7n 3 Pha l\u00e0 L\u1ef1a Ch\u1ecdn T\u1ed1i \u01afu cho Nh\u00e0 X\u01b0\u1edfng v\u00e0 S\u1ea3n Xu\u1ea5t?\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Dieu_Kien_va_Thu_Tuc_Dang_Ky_Lap_Dat_Dien_3_Pha_San_Xuat\" >\u0110i\u1ec1u Ki\u1ec7n v\u00e0 Th\u1ee7 T\u1ee5c \u0110\u0103ng K\u00fd L\u1eafp \u0110\u1eb7t \u0110i\u1ec7n 3 Pha S\u1ea3n Xu\u1ea5t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Cac_dieu_kien_tien_quyet_de_duoc_cap_dien_3_pha\" >C\u00e1c \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n 3 pha<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Chuan_bi_Ho_so_Dang_ky_Dien_3_Pha_Day_du_va_Chinh_xac\" >Chu\u1ea9n b\u1ecb H\u1ed3 s\u01a1 \u0110\u0103ng k\u00fd \u0110i\u1ec7n 3 Pha: \u0110\u1ea7y \u0111\u1ee7 v\u00e0 Ch\u00ednh x\u00e1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Quy_trinh_Dang_ky_Lap_Dat_Dien_3_Pha_voi_EVN_Tung_Buoc_Chi_Tiet\" >Quy tr\u00ecnh \u0110\u0103ng k\u00fd L\u1eafp \u0110\u1eb7t \u0110i\u1ec7n 3 Pha v\u1edbi EVN: T\u1eebng B\u01b0\u1edbc Chi Ti\u1ebft<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Thoi_gian_Giai_quyet_Thu_tuc_Can_Cho_Bao_Lau\" >Th\u1eddi gian Gi\u1ea3i quy\u1ebft Th\u1ee7 t\u1ee5c: C\u1ea7n Ch\u1edd Bao L\u00e2u?<\/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:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Quy_Trinh_Thi_Cong_Lap_Dat_Dien_3_Pha_Tai_Nha_Xuong_An_Toan_va_Dung_Ky_Thuat\" >Quy Tr\u00ecnh Thi C\u00f4ng L\u1eafp \u0110\u1eb7t \u0110i\u1ec7n 3 Pha T\u1ea1i Nh\u00e0 X\u01b0\u1edfng: An To\u00e0n v\u00e0 \u0110\u00fang K\u1ef9 Thu\u1eadt<\/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:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Lap_dat_Cong_to_Dien_3_Pha_Truc_tiep_vs_Gian_tiep\" >L\u1eafp \u0111\u1eb7t C\u00f4ng t\u01a1 \u0110i\u1ec7n 3 Pha: Tr\u1ef1c ti\u1ebfp vs. Gi\u00e1n ti\u1ebfp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Cac_buoc_Thi_cong_Lap_dat_He_thong_Dien_3_Pha_An_Toan_Phan_sau_cong_to\" >C\u00e1c b\u01b0\u1edbc Thi c\u00f4ng L\u1eafp \u0111\u1eb7t H\u1ec7 th\u1ed1ng \u0110i\u1ec7n 3 Pha An To\u00e0n (Ph\u1ea7n sau c\u00f4ng t\u01a1)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Luu_y_quan_trong_trong_qua_trinh_Thi_cong\" >L\u01b0u \u00fd quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh Thi c\u00f4ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Chi_Phi_Lap_Dat_Dien_3_Pha_va_Nhung_Luu_Y_Vang_Khi_Su_Dung\" >Chi Ph\u00ed L\u1eafp \u0110\u1eb7t \u0110i\u1ec7n 3 Pha v\u00e0 Nh\u1eefng L\u01b0u \u00dd V\u00e0ng Khi S\u1eed D\u1ee5ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Boc_tach_Chi_phi_Lap_dat_Dien_3_Pha_San_xuat\" >B\u00f3c t\u00e1ch Chi ph\u00ed L\u1eafp \u0111\u1eb7t \u0110i\u1ec7n 3 Pha S\u1ea3n xu\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Nhung_Luu_y_Song_con_khi_Su_dung_Dien_3_Pha_trong_San_xuat\" >Nh\u1eefng L\u01b0u \u00fd S\u1ed1ng c\u00f2n khi S\u1eed d\u1ee5ng \u0110i\u1ec7n 3 Pha trong S\u1ea3n xu\u1ea5t<\/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:\/\/lctech.vn\/ko\/lap-dat-dien-3-pha\/#Ket_Luan_Chu_Dong_Nam_Bat_Co_Hoi_Tu_Nguon_Dien_3_Pha\" >K\u1ebft Lu\u1eadn: Ch\u1ee7 \u0110\u1ed9ng N\u1eafm B\u1eaft C\u01a1 H\u1ed9i T\u1eeb Ngu\u1ed3n \u0110i\u1ec7n 3 Pha<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-sourcepos=\"13:1-13:70\"><span class=\"ez-toc-section\" id=\"Tim_Hieu_Sau_Ve_Dien_3_Pha_Nen_Tang_Cho_San_Xuat_Cong_Nghiep\"><\/span><strong>T\u00ecm Hi\u1ec3u S\u00e2u V\u1ec1 \u0110i\u1ec7n 3 Pha: N\u1ec1n T\u1ea3ng Cho S\u1ea3n Xu\u1ea5t C\u00f4ng Nghi\u1ec7p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-sourcepos=\"15:1-15:306\">Tr\u01b0\u1edbc khi b\u1eaft tay v\u00e0o quy tr\u00ecnh \u0111\u0103ng k\u00fd v\u00e0 l\u1eafp \u0111\u1eb7t, vi\u1ec7c hi\u1ec3u r\u00f5 &#8220;nh\u00e2n v\u1eadt ch\u00ednh&#8221; \u2013 \u0111i\u1ec7n 3 pha \u2013 l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. Ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 h\u01a1n v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb li\u00ean quan m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o b\u1ea1n \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn cho h\u1ea1 t\u1ea7ng n\u0103ng l\u01b0\u1ee3ng c\u1ee7a doanh nghi\u1ec7p m\u00ecnh.<\/p>\n<h3 data-sourcepos=\"17:1-17:57\"><span class=\"ez-toc-section\" id=\"Dien_3_pha_la_gi_Giai_thich_chi_tiet_va_de_hieu\"><\/span><strong>\u0110i\u1ec7n 3 pha l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch chi ti\u1ebft v\u00e0 d\u1ec5 hi\u1ec3u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"19:1-19:351\">V\u1ec1 c\u01a1 b\u1ea3n, <strong>\u0111i\u1ec7n 3 pha<\/strong> l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n xoay chi\u1ec1u (AC) s\u1eed d\u1ee5ng ba d\u00f2ng \u0111i\u1ec7n ri\u00eang bi\u1ec7t, c\u00f3 c\u00f9ng t\u1ea7n s\u1ed1 nh\u01b0ng l\u1ec7ch pha nhau 120 \u0111\u1ed9. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng thay v\u00ec ch\u1ec9 c\u00f3 m\u1ed9t &#8220;l\u00e0n \u0111\u01b0\u1eddng&#8221; n\u0103ng l\u01b0\u1ee3ng nh\u01b0 \u0111i\u1ec7n 1 pha, \u0111i\u1ec7n 3 pha cung c\u1ea5p \u0111\u1ebfn ba &#8220;l\u00e0n \u0111\u01b0\u1eddng&#8221; ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9, gi\u00fap truy\u1ec1n t\u1ea3i n\u0103ng l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch li\u00ean t\u1ee5c v\u00e0 m\u1ea1nh m\u1ebd h\u01a1n.<\/p>\n<ul data-sourcepos=\"21:1-29:0\">\n<li data-sourcepos=\"21:1-21:362\"><strong>Ngu\u1ed3n g\u1ed1c:<\/strong> \u0110i\u1ec7n 3 pha \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u 3 pha, d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb. B\u00ean trong m\u00e1y ph\u00e1t c\u00f3 ba cu\u1ed9n d\u00e2y \u0111\u1eb7t l\u1ec7ch nhau 1\/3 v\u00f2ng tr\u00f2n (t\u01b0\u01a1ng \u1ee9ng 120 \u0111\u1ed9) trong m\u1ed9t t\u1eeb tr\u01b0\u1eddng quay. Khi t\u1eeb tr\u01b0\u1eddng quay, n\u00f3 s\u1ebd t\u1ea1o ra s\u1ee9c \u0111i\u1ec7n \u0111\u1ed9ng c\u1ea3m \u1ee9ng xoay chi\u1ec1u h\u00ecnh sin trong m\u1ed7i cu\u1ed9n d\u00e2y, v\u00e0 ba s\u1ee9c \u0111i\u1ec7n \u0111\u1ed9ng n\u00e0y l\u1ec7ch pha nhau 120 \u0111\u1ed9.<\/li>\n<li data-sourcepos=\"22:1-24:195\"><strong>C\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng:<\/strong> M\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha ti\u00eau chu\u1ea9n th\u01b0\u1eddng bao g\u1ed3m:\n<ul data-sourcepos=\"23:5-24:195\">\n<li data-sourcepos=\"23:5-23:205\"><strong>Ba d\u00e2y n\u00f3ng (d\u00e2y pha):<\/strong> Mang d\u00f2ng \u0111i\u1ec7n ch\u00ednh. Trong c\u00e1c b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt ho\u1eb7c s\u01a1 \u0111\u1ed3 \u0111i\u1ec7n, ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u l\u00e0 A, B, C ho\u1eb7c theo ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf IEC l\u00e0 L1, L2, L3 (tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 R, S, T).<\/li>\n<li data-sourcepos=\"24:5-24:195\"><strong>M\u1ed9t d\u00e2y trung t\u00ednh (d\u00e2y N):<\/strong> C\u00f3 \u0111i\u1ec7n \u00e1p b\u1eb1ng 0 (ho\u1eb7c r\u1ea5t g\u1ea7n 0) so v\u1edbi \u0111\u1ea5t. D\u00e2y n\u00e0y \u0111\u00f3ng vai tr\u00f2 c\u00e2n b\u1eb1ng \u0111i\u1ec7n \u00e1p gi\u1eefa c\u00e1c pha v\u00e0 l\u00e0 \u0111\u01b0\u1eddng tr\u1edf v\u1ec1 cho d\u00f2ng \u0111i\u1ec7n trong m\u1ed9t s\u1ed1 c\u1ea5u h\u00ecnh t\u1ea3i.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"25:1-25:363\"><strong>\u0110i\u1ec7n \u00e1p:<\/strong> T\u1ea1i Vi\u1ec7t Nam, m\u1ee9c \u0111i\u1ec7n \u00e1p ti\u00eau chu\u1ea9n cho l\u01b0\u1edbi \u0111i\u1ec7n 3 pha h\u1ea1 \u00e1p l\u00e0 <strong>380V<\/strong> (Volt) gi\u1eefa hai d\u00e2y pha v\u00e0 <strong>220V<\/strong> gi\u1eefa m\u1ed9t d\u00e2y pha v\u00e0 d\u00e2y trung t\u00ednh. \u0110i\u1ec1u n\u00e0y kh\u00e1c bi\u1ec7t so v\u1edbi m\u1ed9t s\u1ed1 qu\u1ed1c gia kh\u00e1c (v\u00ed d\u1ee5: M\u1ef9 th\u01b0\u1eddng d\u00f9ng 208V\/3F ho\u1eb7c 480V\/3F, Nh\u1eadt B\u1ea3n l\u00e0 200V\/3F). Vi\u1ec7c hi\u1ec3u r\u00f5 \u0111i\u1ec7n \u00e1p chu\u1ea9n t\u1ea1i Vi\u1ec7t Nam l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p.<\/li>\n<li data-sourcepos=\"26:1-29:0\"><strong>C\u00e1ch n\u1ed1i m\u1ea1ch:<\/strong> C\u00e1c cu\u1ed9n d\u00e2y trong m\u00e1y ph\u00e1t ho\u1eb7c c\u00e1c t\u1ea3i ti\u00eau th\u1ee5 \u0111i\u1ec7n 3 pha th\u01b0\u1eddng \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau theo hai c\u00e1ch ch\u00ednh:\n<ul data-sourcepos=\"27:5-29:0\">\n<li data-sourcepos=\"27:5-27:224\"><strong>N\u1ed1i h\u00ecnh sao (Y):<\/strong> Ba \u0111i\u1ec3m cu\u1ed1i c\u1ee7a ba cu\u1ed9n d\u00e2y (ho\u1eb7c t\u1ea3i) \u0111\u01b0\u1ee3c n\u1ed1i chung l\u1ea1i t\u1ea1o th\u00e0nh \u0111i\u1ec3m trung t\u00ednh. H\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 c\u1ea3 3 d\u00e2y pha v\u00e0 1 d\u00e2y trung t\u00ednh, cho ph\u00e9p t\u1ea1o ra hai c\u1ea5p \u0111i\u1ec7n \u00e1p (380V v\u00e0 220V t\u1ea1i Vi\u1ec7t Nam).<\/li>\n<li data-sourcepos=\"28:5-29:0\"><strong>N\u1ed1i h\u00ecnh tam gi\u00e1c (\u0394):<\/strong> \u0110\u1ea7u cu\u1ed9n d\u00e2y (ho\u1eb7c t\u1ea3i) n\u00e0y \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi cu\u1ed1i cu\u1ed9n d\u00e2y (ho\u1eb7c t\u1ea3i) kia theo m\u1ed9t v\u00f2ng k\u00edn. H\u1ec7 th\u1ed1ng n\u00e0y ch\u1ec9 c\u00f3 3 d\u00e2y pha, kh\u00f4ng c\u00f3 d\u00e2y trung t\u00ednh v\u00e0 ch\u1ec9 cung c\u1ea5p m\u1ed9t c\u1ea5p \u0111i\u1ec7n \u00e1p (380V gi\u1eefa c\u00e1c pha).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 data-sourcepos=\"30:1-30:93\"><span class=\"ez-toc-section\" id=\"Tai_sao_Dien_3_Pha_la_Lua_Chon_Toi_Uu_cho_Nha_Xuong_va_San_Xuat\"><\/span><strong>T\u1ea1i sao \u0110i\u1ec7n 3 Pha l\u00e0 L\u1ef1a Ch\u1ecdn T\u1ed1i \u01afu cho Nh\u00e0 X\u01b0\u1edfng v\u00e0 S\u1ea3n Xu\u1ea5t?\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"32:1-32:200\">Kh\u00f4ng ph\u1ea3i ng\u1eabu nhi\u00ean m\u00e0 \u0111i\u1ec7n 3 pha tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n v\u00e0ng cho m\u1ecdi ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. Nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi \u0111i\u1ec7n 1 pha mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf v\u00e0 k\u1ef9 thu\u1eadt kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn:<\/p>\n<ol data-sourcepos=\"34:1-41:0\">\n<li data-sourcepos=\"34:1-34:508\"><strong>C\u00f4ng su\u1ea5t v\u00e0 Hi\u1ec7u su\u1ea5t V\u01b0\u1ee3t Tr\u1ed9i:<\/strong> \u0110\u00e2y l\u00e0 l\u1ee3i \u00edch c\u1ed1t l\u00f5i. \u0110i\u1ec7n 3 pha cung c\u1ea5p c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n g\u1ea5p <span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord sqrt\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"svg-align\"><span class=\"mord\">3<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span> l\u1ea7n (kho\u1ea3ng 1.732 l\u1ea7n) so v\u1edbi \u0111i\u1ec7n 1 pha c\u00f9ng d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p pha. Quan tr\u1ecdng h\u01a1n, n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i m\u1ed9t c\u00e1ch li\u00ean t\u1ee5c v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n, gi\u00fap c\u00e1c \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y m\u00f3c ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0, \u1ed5n \u0111\u1ecbnh, \u0111\u1ea1t \u0111\u00fang c\u00f4ng su\u1ea5t thi\u1ebft k\u1ebf m\u00e0 kh\u00f4ng b\u1ecb s\u1ee5t \u00e1p hay rung gi\u1eadt. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c m\u00e1y m\u00f3c y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao ho\u1eb7c t\u1ea3i n\u1eb7ng.<\/li>\n<li data-sourcepos=\"35:1-35:554\"><strong>Ti\u1ebft ki\u1ec7m Chi ph\u00ed D\u00e2y d\u1eabn:<\/strong> \u0110\u1ec3 truy\u1ec1n t\u1ea3i c\u00f9ng m\u1ed9t l\u01b0\u1ee3ng c\u00f4ng su\u1ea5t, \u0111i\u1ec7n 3 pha y\u00eau c\u1ea7u d\u00f2ng \u0111i\u1ec7n th\u1ea5p h\u01a1n so v\u1edbi \u0111i\u1ec7n 1 pha (do \u0111i\u1ec7n \u00e1p cao h\u01a1n). Theo \u0111\u1ecbnh lu\u1eadt Ohm, d\u00f2ng \u0111i\u1ec7n th\u1ea5p h\u01a1n cho ph\u00e9p s\u1eed d\u1ee5ng d\u00e2y d\u1eabn c\u00f3 ti\u1ebft di\u1ec7n nh\u1ecf h\u01a1n m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 kh\u00f4ng g\u00e2y t\u1ed5n hao qu\u00e1 m\u1ee9c. \u0110i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 chi ph\u00ed v\u1eadt li\u1ec7u d\u00e2y d\u1eabn (\u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed3ng ho\u1eb7c nh\u00f4m) khi x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n cho nh\u00e0 x\u01b0\u1edfng quy m\u00f4 l\u1edbn. \u01af\u1edbc t\u00ednh c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m t\u1edbi 25% l\u01b0\u1ee3ng v\u1eadt li\u1ec7u d\u00e2y d\u1eabn so v\u1edbi vi\u1ec7c d\u00f9ng 3 h\u1ec7 th\u1ed1ng 1 pha ri\u00eang bi\u1ec7t \u0111\u1ec3 \u0111\u1ea1t c\u00f9ng c\u00f4ng su\u1ea5t.<\/li>\n<li data-sourcepos=\"36:1-36:435\"><strong>C\u1ea5u t\u1ea1o \u0110\u1ed9ng c\u01a1 \u0110\u01a1n gi\u1ea3n, Hi\u1ec7u qu\u1ea3 v\u00e0 B\u1ec1n b\u1ec9:<\/strong> \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n 3 pha c\u00f3 c\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n h\u01a1n \u0111\u1ed9ng c\u01a1 1 pha (kh\u00f4ng c\u1ea7n t\u1ee5 \u0111i\u1ec7n hay m\u1ea1ch kh\u1edfi \u0111\u1ed9ng ph\u1ee9c t\u1ea1p) v\u00ec t\u1eeb tr\u01b0\u1eddng quay \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1ef1 nhi\u00ean b\u1edfi s\u1ef1 l\u1ec7ch pha c\u1ee7a ba d\u00f2ng \u0111i\u1ec7n. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ed9ng c\u01a1 3 pha c\u00f3 hi\u1ec7u su\u1ea5t cao h\u01a1n, m\u00f4-men kh\u1edfi \u0111\u1ed9ng kh\u1ecfe h\u01a1n, ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u01a1n, \u00edt h\u01b0 h\u1ecfng h\u01a1n v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t gi\u00fap gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh d\u00e0i h\u1ea1n.<\/li>\n<li data-sourcepos=\"37:1-37:336\"><strong>Kh\u1ea3 n\u0103ng Cung c\u1ea5p cho T\u1ea3i C\u00f4ng su\u1ea5t Cao:<\/strong> C\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p nh\u01b0 m\u00e1y CNC, m\u00e1y \u00e9p nh\u1ef1a, l\u00f2 nung c\u00f4ng nghi\u1ec7p, m\u00e1y n\u00e9n kh\u00ed l\u1edbn, h\u1ec7 th\u1ed1ng b\u01a1m c\u00f4ng su\u1ea5t cao, c\u1ea7u tr\u1ee5c&#8230; \u0111\u1ec1u y\u00eau c\u1ea7u ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng c\u1ef1c l\u1edbn m\u00e0 \u0111i\u1ec7n 1 pha kh\u00f3 l\u00f2ng \u0111\u00e1p \u1ee9ng. \u0110i\u1ec7n 3 pha \u0111\u01b0\u1ee3c sinh ra \u0111\u1ec3 v\u1eadn h\u00e0nh nh\u1eefng &#8220;g\u00e3 kh\u1ed5ng l\u1ed3&#8221; n\u00e0y m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/li>\n<li data-sourcepos=\"38:1-38:394\"><strong>Linh ho\u1ea1t v\u1ec1 \u0110i\u1ec7n \u00e1p (Khi n\u1ed1i h\u00ecnh Sao):<\/strong> Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, v\u1edbi c\u00e1ch n\u1ed1i h\u00ecnh sao c\u00f3 d\u00e2y trung t\u00ednh, h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha t\u1ea1i Vi\u1ec7t Nam c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ed3ng th\u1eddi hai m\u1ee9c \u0111i\u1ec7n \u00e1p: 380V (gi\u1eefa 2 pha) cho c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t l\u1edbn v\u00e0 220V (gi\u1eefa 1 pha v\u00e0 d\u00e2y trung t\u00ednh) cho c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3 nh\u01b0 chi\u1ebfu s\u00e1ng, m\u00e1y t\u00ednh, qu\u1ea1t th\u00f4ng gi\u00f3, d\u1ee5ng c\u1ee5 c\u1ea7m tay&#8230; m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam m\u00e1y bi\u1ebfn \u00e1p ph\u1ee9c t\u1ea1p.<\/li>\n<li data-sourcepos=\"39:1-39:345\"><strong>\u1ed4n \u0111\u1ecbnh \u0110i\u1ec7n \u00e1p T\u1ea3i:<\/strong> \u0110i\u1ec7n 3 pha gi\u00fap duy tr\u00ec \u0111i\u1ec7n \u00e1p \u1ed5n \u0111\u1ecbnh h\u01a1n tr\u00ean c\u00e1c t\u1ea3i, ngay c\u1ea3 khi c\u00f3 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng v\u1ec1 nhu c\u1ea7u s\u1eed d\u1ee5ng. T\u00ecnh tr\u1ea1ng \u0111i\u1ec7n \u00e1p b\u1ecb s\u1ee5t gi\u1ea3m qu\u00e1 m\u1ee9c khi kh\u1edfi \u0111\u1ed9ng m\u00e1y m\u00f3c l\u1edbn ho\u1eb7c khi nhi\u1ec1u thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u \u0111\u00e1ng k\u1ec3 so v\u1edbi \u0111i\u1ec7n 1 pha, gi\u00fap b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb kh\u1ecfi h\u01b0 h\u1ecfng do thi\u1ebfu \u00e1p ho\u1eb7c qu\u00e1 \u00e1p.<\/li>\n<li data-sourcepos=\"40:1-41:0\"><strong>Gi\u1ea3m Hao t\u1ed5n \u0110i\u1ec7n n\u0103ng, T\u0103ng Hi\u1ec7u qu\u1ea3 Kinh t\u1ebf:<\/strong> Nh\u1edd hi\u1ec7u su\u1ea5t truy\u1ec1n t\u1ea3i cao h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb 3 pha t\u1ed1t h\u01a1n, t\u1ed5ng l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng hao ph\u00ed tr\u00ean \u0111\u01b0\u1eddng d\u00e2y v\u00e0 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u. \u0110i\u1ec1u n\u00e0y tr\u1ef1c ti\u1ebfp l\u00e0m gi\u1ea3m h\u00f3a \u0111\u01a1n ti\u1ec1n \u0111i\u1ec7n h\u00e0ng th\u00e1ng \u2013 m\u1ed9t y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 x\u01b0\u1edfng ti\u00eau th\u1ee5 l\u01b0\u1ee3ng \u0111i\u1ec7n l\u1edbn.<\/li>\n<\/ol>\n<p data-sourcepos=\"42:1-42:175\">V\u1edbi nh\u1eefng l\u1ee3i th\u1ebf kh\u00f4ng th\u1ec3 b\u00e0n c\u00e3i n\u00e0y, vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0o h\u1ec7 th\u1ed1ng <strong>\u0111i\u1ec7n 3 pha s\u1ea3n xu\u1ea5t<\/strong> ch\u00ednh l\u00e0 \u0111\u1ea7u t\u01b0 cho s\u1ef1 \u1ed5n \u0111\u1ecbnh, hi\u1ec7u qu\u1ea3 v\u00e0 kh\u1ea3 n\u0103ng c\u1ea1nh tranh c\u1ee7a doanh nghi\u1ec7p b\u1ea1n.<\/p>\n<h2 data-sourcepos=\"44:1-44:65\"><span class=\"ez-toc-section\" id=\"Dieu_Kien_va_Thu_Tuc_Dang_Ky_Lap_Dat_Dien_3_Pha_San_Xuat\"><\/span><strong>\u0110i\u1ec1u Ki\u1ec7n v\u00e0 Th\u1ee7 T\u1ee5c \u0110\u0103ng K\u00fd L\u1eafp \u0110\u1eb7t \u0110i\u1ec7n 3 Pha S\u1ea3n Xu\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-sourcepos=\"46:1-46:280\">Sau khi hi\u1ec3u r\u00f5 l\u1ee3i \u00edch, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u00e1p \u1ee9ng v\u00e0 quy tr\u00ecnh th\u1ee7 t\u1ee5c \u0111\u1ec3 &#8220;r\u01b0\u1edbc&#8221; ngu\u1ed3n \u0111i\u1ec7n 3 pha v\u1ec1 v\u1edbi nh\u00e0 x\u01b0\u1edfng c\u1ee7a b\u1ea1n. \u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n \u0111\u00f2i h\u1ecfi s\u1ef1 chu\u1ea9n b\u1ecb k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 gi\u1ea5y t\u1edd v\u00e0 tu\u00e2n th\u1ee7 ch\u1eb7t ch\u1ebd c\u00e1c quy \u0111\u1ecbnh c\u1ee7a ng\u00e0nh \u0110i\u1ec7n l\u1ef1c Vi\u1ec7t Nam (EVN).<\/p>\n<h3 data-sourcepos=\"48:1-48:56\"><span class=\"ez-toc-section\" id=\"Cac_dieu_kien_tien_quyet_de_duoc_cap_dien_3_pha\"><\/span><strong>C\u00e1c \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n 3 pha<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"50:1-50:159\">Kh\u00f4ng ph\u1ea3i m\u1ecdi y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n 3 pha \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn. EVN s\u1ebd xem x\u00e9t d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c cung c\u1ea5p \u0111i\u1ec7n l\u00e0 h\u1ee3p l\u00fd v\u00e0 kh\u1ea3 thi:<\/p>\n<ol data-sourcepos=\"52:1-61:0\">\n<li data-sourcepos=\"52:1-52:594\"><strong>Khu v\u1ef1c ph\u1ea3i c\u00f3 H\u1ea1 t\u1ea7ng M\u1ea1ng l\u01b0\u1edbi \u0110i\u1ec7n 3 pha:<\/strong> \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 mang t\u00ednh quy\u1ebft \u0111\u1ecbnh. H\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i qua m\u1ea1ng l\u01b0\u1edbi ri\u00eang bi\u1ec7t so v\u1edbi \u0111i\u1ec7n 1 pha. Do \u0111\u00f3, \u0111\u1ecba \u0111i\u1ec3m nh\u00e0 x\u01b0\u1edfng c\u1ee7a b\u1ea1n ph\u1ea3i n\u1eb1m trong khu v\u1ef1c \u0111\u00e3 c\u00f3 s\u1eb5n l\u01b0\u1edbi \u0111i\u1ec7n 3 pha h\u1ea1 \u00e1p c\u1ee7a EVN. N\u1ebfu khu v\u1ef1c ch\u01b0a c\u00f3, vi\u1ec7c y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t s\u1ebd tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p v\u00e0 t\u1ed1n k\u00e9m h\u01a1n r\u1ea5t nhi\u1ec1u, c\u00f3 th\u1ec3 bao g\u1ed3m chi ph\u00ed k\u00e9o \u0111\u01b0\u1eddng d\u00e2y m\u1edbi, l\u1eafp \u0111\u1eb7t tr\u1ea1m bi\u1ebfn \u00e1p ph\u1ee5&#8230; EVN s\u1ebd kh\u1ea3o s\u00e1t v\u00e0 \u0111\u00e1nh gi\u00e1 t\u00ednh kh\u1ea3 thi. <em>L\u1eddi khuy\u00ean:<\/em> H\u00e3y ki\u1ec3m tra t\u00ecnh tr\u1ea1ng h\u1ea1 t\u1ea7ng \u0111i\u1ec7n t\u1ea1i khu v\u1ef1c d\u1ef1 ki\u1ebfn \u0111\u1eb7t nh\u00e0 x\u01b0\u1edfng <em>tr\u01b0\u1edbc khi<\/em> quy\u1ebft \u0111\u1ecbnh thu\u00ea ho\u1eb7c mua \u0111\u1ea5t.<\/li>\n<li data-sourcepos=\"53:1-57:118\"><strong>Ch\u1ee9ng minh \u0111\u01b0\u1ee3c Nhu c\u1ea7u S\u1eed d\u1ee5ng \u0110i\u1ec7n 3 Pha Ch\u00ednh \u0111\u00e1ng:<\/strong> B\u1ea1n c\u1ea7n thuy\u1ebft ph\u1ee5c \u0111\u01b0\u1ee3c EVN r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng \u0111i\u1ec7n 3 pha l\u00e0 th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t, kinh doanh c\u1ee7a m\u00ecnh. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n qua:\n<ul data-sourcepos=\"54:5-57:118\">\n<li data-sourcepos=\"54:5-54:127\"><strong>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng:<\/strong> Ghi r\u00f5 trong \u0111\u01a1n \u0111\u1ec1 ngh\u1ecb mua \u0111i\u1ec7n (v\u00ed d\u1ee5: ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t c\u01a1 kh\u00ed, d\u1ec7t may, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m&#8230;).<\/li>\n<li data-sourcepos=\"55:5-55:97\"><strong>Gi\u1ea5y t\u1edd ph\u00e1p l\u00fd:<\/strong> Gi\u1ea5y ch\u1ee9ng nh\u1eadn \u0111\u0103ng k\u00fd kinh doanh\/doanh nghi\u1ec7p c\u00f3 ng\u00e0nh ngh\u1ec1 ph\u00f9 h\u1ee3p.<\/li>\n<li data-sourcepos=\"56:5-56:218\"><strong>B\u1ea3ng k\u00ea thi\u1ebft b\u1ecb:<\/strong> Li\u1ec7t k\u00ea chi ti\u1ebft c\u00e1c lo\u1ea1i m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb d\u1ef1 ki\u1ebfn s\u1eed d\u1ee5ng \u0111i\u1ec7n 3 pha, bao g\u1ed3m c\u00f4ng su\u1ea5t (kW ho\u1eb7c HP) c\u1ee7a t\u1eebng thi\u1ebft b\u1ecb. T\u1ed5ng c\u00f4ng su\u1ea5t d\u1ef1 ki\u1ebfn l\u00e0 c\u0103n c\u1ee9 quan tr\u1ecdng \u0111\u1ec3 EVN \u0111\u00e1nh gi\u00e1 nhu c\u1ea7u.<\/li>\n<li data-sourcepos=\"57:5-57:118\"><strong>Quy m\u00f4 s\u1ea3n xu\u1ea5t:<\/strong> M\u00f4 t\u1ea3 v\u1ec1 quy m\u00f4 nh\u00e0 x\u01b0\u1edfng, d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u0169ng gi\u00fap c\u1ee7ng c\u1ed1 l\u00fd do c\u1ea7n d\u00f9ng \u0111i\u1ec7n 3 pha.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"58:1-61:0\"><strong>C\u00f4ng su\u1ea5t S\u1eed d\u1ee5ng \u0110\u1ee7 L\u1edbn ho\u1eb7c C\u00f3 Thi\u1ebft b\u1ecb 3 Pha:<\/strong> Theo quy \u0111\u1ecbnh chung, EVN s\u1ebd xem x\u00e9t c\u1ea5p \u0111i\u1ec7n 3 pha khi:\n<ul data-sourcepos=\"59:5-61:0\">\n<li data-sourcepos=\"59:5-59:319\">T\u1ed5ng c\u00f4ng su\u1ea5t \u0111\u0103ng k\u00fd s\u1eed d\u1ee5ng c\u1ee7a kh\u00e1ch h\u00e0ng v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng c\u1ee7a c\u00f4ng t\u01a1 1 pha (th\u01b0\u1eddng l\u00e0 khi c\u00f4ng su\u1ea5t \u0111\u0103ng k\u00fd l\u1edbn h\u01a1n m\u1ed9t ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh, v\u00ed d\u1ee5 15kW, 20kW ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi d\u00f2ng \u0111i\u1ec7n kho\u1ea3ng 40A tr\u1edf l\u00ean &#8211; ng\u01b0\u1ee1ng n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y khu v\u1ef1c v\u00e0 quy \u0111\u1ecbnh c\u1ee5 th\u1ec3 c\u1ee7a c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c \u0111\u1ecba ph\u01b0\u01a1ng).<\/li>\n<li data-sourcepos=\"60:5-61:0\">Kh\u00e1ch h\u00e0ng c\u00f3 c\u00e1c thi\u1ebft b\u1ecb b\u1eaft bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng \u0111i\u1ec7n 3 pha (v\u00ed d\u1ee5: \u0111\u1ed9ng c\u01a1 3 pha c\u00f4ng su\u1ea5t l\u1edbn), ngay c\u1ea3 khi t\u1ed5ng c\u00f4ng su\u1ea5t kh\u00f4ng qu\u00e1 cao.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 data-sourcepos=\"62:1-62:63\"><span class=\"ez-toc-section\" id=\"Chuan_bi_Ho_so_Dang_ky_Dien_3_Pha_Day_du_va_Chinh_xac\"><\/span><strong>Chu\u1ea9n b\u1ecb H\u1ed3 s\u01a1 \u0110\u0103ng k\u00fd \u0110i\u1ec7n 3 Pha: \u0110\u1ea7y \u0111\u1ee7 v\u00e0 Ch\u00ednh x\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"64:1-64:251\">Vi\u1ec7c chu\u1ea9n b\u1ecb m\u1ed9t b\u1ed9 h\u1ed3 s\u01a1 \u0111\u1ea7y \u0111\u1ee7, r\u00f5 r\u00e0ng v\u00e0 h\u1ee3p l\u1ec7 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t gi\u00fap qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd di\u1ec5n ra su\u00f4n s\u1ebb, tr\u00e1nh b\u1ecb y\u00eau c\u1ea7u b\u1ed5 sung g\u00e2y m\u1ea5t th\u1eddi gian. Theo h\u01b0\u1edbng d\u1eabn c\u1ee7a EVN, h\u1ed3 s\u01a1 \u0111\u0103ng k\u00fd l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n 3 pha cho m\u1ee5c \u0111\u00edch s\u1ea3n xu\u1ea5t th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n<ol data-sourcepos=\"66:1-79:0\">\n<li data-sourcepos=\"66:1-66:396\"><strong>Gi\u1ea5y \u0111\u1ec1 ngh\u1ecb mua \u0111i\u1ec7n:<\/strong> S\u1eed d\u1ee5ng m\u1eabu chu\u1ea9n do EVN cung c\u1ea5p (c\u00f3 th\u1ec3 t\u1ea3i tr\u00ean website EVN ho\u1eb7c nh\u1eadn t\u1ea1i c\u00e1c ph\u00f2ng giao d\u1ecbch). \u0110i\u1ec1n \u0111\u1ea7y \u0111\u1ee7, ch\u00ednh x\u00e1c c\u00e1c th\u00f4ng tin y\u00eau c\u1ea7u nh\u01b0: t\u00ean t\u1ed5 ch\u1ee9c\/doanh nghi\u1ec7p, m\u00e3 s\u1ed1 thu\u1ebf, \u0111\u1ecba ch\u1ec9 \u0111\u0103ng k\u00fd kinh doanh, \u0111\u1ecba ch\u1ec9 s\u1eed d\u1ee5ng \u0111i\u1ec7n, th\u00f4ng tin ng\u01b0\u1eddi \u0111\u1ea1i di\u1ec7n, m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng \u0111i\u1ec7n (ghi r\u00f5 l\u00e0 s\u1ea3n xu\u1ea5t), c\u00f4ng su\u1ea5t \u0111\u0103ng k\u00fd s\u1eed d\u1ee5ng (kW), danh m\u1ee5c thi\u1ebft b\u1ecb d\u1ef1 ki\u1ebfn.<\/li>\n<li data-sourcepos=\"67:1-67:293\"><strong>B\u1ea3n sao Gi\u1ea5y t\u1edd t\u00f9y th\u00e2n c\u1ee7a ng\u01b0\u1eddi \u0111\u1ea1i di\u1ec7n:<\/strong> C\u1ea7n b\u1ea3n sao (c\u00f3 th\u1ec3 y\u00eau c\u1ea7u c\u00f4ng ch\u1ee9ng ho\u1eb7c mang b\u1ea3n g\u1ed1c \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu) c\u1ee7a C\u0103n c\u01b0\u1edbc c\u00f4ng d\u00e2n (CCCD) ho\u1eb7c Ch\u1ee9ng minh nh\u00e2n d\u00e2n (CMND) c\u00f2n hi\u1ec7u l\u1ef1c c\u1ee7a ng\u01b0\u1eddi \u0111\u1ea1i di\u1ec7n theo ph\u00e1p lu\u1eadt c\u1ee7a doanh nghi\u1ec7p\/t\u1ed5 ch\u1ee9c \u0111\u1ee9ng t\u00ean tr\u00ean gi\u1ea5y \u0111\u1ec1 ngh\u1ecb mua \u0111i\u1ec7n.<\/li>\n<li data-sourcepos=\"68:1-71:253\"><strong>B\u1ea3n sao Gi\u1ea5y t\u1edd x\u00e1c \u0111\u1ecbnh ch\u1ee7 th\u1ec3 H\u1ee3p \u0111\u1ed3ng Mua b\u00e1n \u0110i\u1ec7n:<\/strong> C\u1ea7n m\u1ed9t trong c\u00e1c lo\u1ea1i gi\u1ea5y t\u1edd sau \u0111\u1ec3 ch\u1ee9ng minh quy\u1ec1n h\u1ee3p ph\u00e1p c\u1ee7a doanh nghi\u1ec7p t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m \u0111\u1ec1 ngh\u1ecb l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n:\n<ul data-sourcepos=\"69:5-71:253\">\n<li data-sourcepos=\"69:5-69:46\">Gi\u1ea5y ch\u1ee9ng nh\u1eadn quy\u1ec1n s\u1edf h\u1eefu nh\u00e0 \u1edf; ho\u1eb7c<\/li>\n<li data-sourcepos=\"70:5-70:104\">Gi\u1ea5y ch\u1ee9ng nh\u1eadn quy\u1ec1n s\u1eed d\u1ee5ng \u0111\u1ea5t (trong \u0111\u00f3 c\u00f3 t\u00e0i s\u1ea3n g\u1eafn li\u1ec1n v\u1edbi \u0111\u1ea5t l\u00e0 nh\u00e0 \u1edf, nh\u00e0 x\u01b0\u1edfng); ho\u1eb7c<\/li>\n<li data-sourcepos=\"71:5-71:253\">H\u1ee3p \u0111\u1ed3ng thu\u00ea \u0111\u1ecba \u0111i\u1ec3m\/nh\u00e0 x\u01b0\u1edfng: H\u1ee3p \u0111\u1ed3ng ph\u1ea3i c\u00f2n th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c \u00edt nh\u1ea5t 01 n\u0103m t\u00ednh t\u1eeb th\u1eddi \u0111i\u1ec3m \u0111\u1ec1 ngh\u1ecb mua \u0111i\u1ec7n, v\u00e0 ph\u1ea3i c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd b\u1eb1ng v\u0103n b\u1ea3n c\u1ee7a b\u00ean cho thu\u00ea v\u1ec1 vi\u1ec7c b\u00ean thu\u00ea \u0111\u01b0\u1ee3c ph\u00e9p l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng \u0111i\u1ec7n 3 pha t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m thu\u00ea.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"72:1-79:0\"><strong>B\u1ea3n sao Gi\u1ea5y t\u1edd x\u00e1c \u0111\u1ecbnh M\u1ee5c \u0111\u00edch S\u1eed d\u1ee5ng \u0110i\u1ec7n:<\/strong> C\u1ea7n m\u1ed9t trong c\u00e1c lo\u1ea1i gi\u1ea5y t\u1edd sau \u0111\u1ec3 ch\u1ee9ng minh t\u01b0 c\u00e1ch ph\u00e1p nh\u00e2n v\u00e0 m\u1ee5c \u0111\u00edch ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t, kinh doanh:\n<ul data-sourcepos=\"73:5-79:0\">\n<li data-sourcepos=\"73:5-73:46\">Gi\u1ea5y ch\u1ee9ng nh\u1eadn \u0111\u0103ng k\u00fd kinh doanh; ho\u1eb7c<\/li>\n<li data-sourcepos=\"74:5-74:48\">Gi\u1ea5y ch\u1ee9ng nh\u1eadn \u0111\u0103ng k\u00fd doanh nghi\u1ec7p; ho\u1eb7c<\/li>\n<li data-sourcepos=\"75:5-75:99\">Gi\u1ea5y ch\u1ee9ng nh\u1eadn \u0111\u0103ng k\u00fd h\u1ed9 kinh doanh (\u0111\u1ed1i v\u1edbi h\u1ed9 kinh doanh quy m\u00f4 l\u1edbn c\u1ea7n \u0111i\u1ec7n 3 pha); ho\u1eb7c<\/li>\n<li data-sourcepos=\"76:5-76:75\">Gi\u1ea5y ch\u1ee9ng nh\u1eadn \u0111\u0103ng k\u00fd ho\u1ea1t \u0111\u1ed9ng chi nh\u00e1nh, v\u0103n ph\u00f2ng \u0111\u1ea1i di\u1ec7n; ho\u1eb7c<\/li>\n<li data-sourcepos=\"77:5-77:28\">Gi\u1ea5y ph\u00e9p \u0111\u1ea7u t\u01b0; ho\u1eb7c<\/li>\n<li data-sourcepos=\"78:5-79:0\">Quy\u1ebft \u0111\u1ecbnh th\u00e0nh l\u1eadp \u0111\u01a1n v\u1ecb (\u0111\u1ed1i v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c nh\u00e0 n\u01b0\u1edbc, \u0111\u01a1n v\u1ecb s\u1ef1 nghi\u1ec7p&#8230;).<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p data-sourcepos=\"80:1-80:19\"><em>L\u01b0u \u00fd quan tr\u1ecdng:<\/em><\/p>\n<ul data-sourcepos=\"81:1-85:0\">\n<li data-sourcepos=\"81:1-81:103\">T\u1ea5t c\u1ea3 c\u00e1c b\u1ea3n sao n\u00ean \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb r\u00f5 r\u00e0ng, kh\u00f4ng t\u1ea9y x\u00f3a. EVN c\u00f3 th\u1ec3 y\u00eau c\u1ea7u b\u1ea3n g\u1ed1c \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu.<\/li>\n<li data-sourcepos=\"82:1-82:94\">N\u00ean chu\u1ea9n b\u1ecb c\u1ea3 b\u1ea3n scan ho\u1eb7c file \u1ea3nh c\u00e1c gi\u1ea5y t\u1edd n\u00e0y n\u1ebfu b\u1ea1n d\u1ef1 \u0111\u1ecbnh n\u1ed9p h\u1ed3 s\u01a1 tr\u1ef1c tuy\u1ebfn.<\/li>\n<li data-sourcepos=\"83:1-83:69\">Ki\u1ec3m tra k\u1ef9 h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a c\u00e1c gi\u1ea5y t\u1edd (CCCD\/CMND, H\u1ee3p \u0111\u1ed3ng thu\u00ea).<\/li>\n<li data-sourcepos=\"84:1-85:0\">\u0110\u1ea3m b\u1ea3o th\u00f4ng tin tr\u00ean c\u00e1c gi\u1ea5y t\u1edd (t\u00ean c\u00f4ng ty, \u0111\u1ecba ch\u1ec9, m\u00e3 s\u1ed1 thu\u1ebf, ng\u01b0\u1eddi \u0111\u1ea1i di\u1ec7n) ph\u1ea3i th\u1ed1ng nh\u1ea5t v\u1edbi nhau v\u00e0 v\u1edbi th\u00f4ng tin tr\u00ean Gi\u1ea5y \u0111\u1ec1 ngh\u1ecb mua \u0111i\u1ec7n.<\/li>\n<\/ul>\n<h3 data-sourcepos=\"86:1-86:73\"><span class=\"ez-toc-section\" id=\"Quy_trinh_Dang_ky_Lap_Dat_Dien_3_Pha_voi_EVN_Tung_Buoc_Chi_Tiet\"><\/span><strong>Quy tr\u00ecnh \u0110\u0103ng k\u00fd L\u1eafp \u0110\u1eb7t \u0110i\u1ec7n 3 Pha v\u1edbi EVN: T\u1eebng B\u01b0\u1edbc Chi Ti\u1ebft<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"88:1-88:115\">Sau khi \u0111\u00e3 chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 h\u1ed3 s\u01a1, quy tr\u00ecnh \u0111\u0103ng k\u00fd v\u00e0 l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n 3 pha v\u1edbi EVN th\u01b0\u1eddng di\u1ec5n ra theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ul data-sourcepos=\"90:1-109:0\">\n<li data-sourcepos=\"90:1-92:86\"><strong>B\u01b0\u1edbc 1: N\u1ed9p h\u1ed3 s\u01a1:<\/strong>\n<ul data-sourcepos=\"91:5-92:86\">\n<li data-sourcepos=\"91:5-91:398\"><strong>K\u00eanh n\u1ed9p:<\/strong> Kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 n\u1ed9p h\u1ed3 s\u01a1 tr\u1ef1c ti\u1ebfp t\u1ea1i Ph\u00f2ng Giao d\u1ecbch kh\u00e1ch h\u00e0ng c\u1ee7a C\u00f4ng ty \u0110i\u1ec7n l\u1ef1c\/\u0110i\u1ec7n l\u1ef1c qu\u1eadn\/huy\u1ec7n n\u01a1i c\u00f3 \u0111\u1ecba \u0111i\u1ec3m c\u1ea7n l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n. Ho\u1eb7c thu\u1eadn ti\u1ec7n h\u01a1n, n\u1ed9p h\u1ed3 s\u01a1 tr\u1ef1c tuy\u1ebfn qua C\u1ed5ng D\u1ecbch v\u1ee5 c\u00f4ng Qu\u1ed1c gia, Website\/App Ch\u0103m s\u00f3c kh\u00e1ch h\u00e0ng (CSKH) c\u1ee7a EVN c\u00e1c T\u1ed5ng C\u00f4ng ty \u0110i\u1ec7n l\u1ef1c (EVNHANOI, EVNHCMC, EVNNPC, EVNCPC, EVNSPC), ho\u1eb7c g\u1ecdi \u0111i\u1ec7n \u0111\u1ebfn Trung t\u00e2m CSKH \u0110i\u1ec7n l\u1ef1c.<\/li>\n<li data-sourcepos=\"92:5-92:86\"><strong>Ti\u1ebfp nh\u1eadn:<\/strong> Sau khi n\u1ed9p, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c gi\u1ea5y h\u1eb9n ho\u1eb7c m\u00e3 s\u1ed1 theo d\u00f5i h\u1ed3 s\u01a1.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"93:1-96:349\"><strong>B\u01b0\u1edbc 2: Ti\u1ebfp nh\u1eadn H\u1ed3 s\u01a1 v\u00e0 Kh\u1ea3o s\u00e1t Hi\u1ec7n tr\u01b0\u1eddng:<\/strong>\n<ul data-sourcepos=\"94:5-96:349\">\n<li data-sourcepos=\"94:5-94:140\"><strong>Ki\u1ec3m tra h\u1ed3 s\u01a1:<\/strong> Nh\u00e2n vi\u00ean \u0110i\u1ec7n l\u1ef1c s\u1ebd ki\u1ec3m tra t\u00ednh \u0111\u1ea7y \u0111\u1ee7 v\u00e0 h\u1ee3p l\u1ec7 c\u1ee7a h\u1ed3 s\u01a1. N\u1ebfu thi\u1ebfu ho\u1eb7c c\u1ea7n b\u1ed5 sung, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o.<\/li>\n<li data-sourcepos=\"95:5-95:130\"><strong>L\u00ean l\u1ecbch kh\u1ea3o s\u00e1t:<\/strong> N\u1ebfu h\u1ed3 s\u01a1 h\u1ee3p l\u1ec7, \u0110i\u1ec7n l\u1ef1c s\u1ebd c\u1eed nh\u00e2n vi\u00ean k\u1ef9 thu\u1eadt \u0111\u1ebfn \u0111\u1ecba \u0111i\u1ec3m \u0111\u0103ng k\u00fd l\u1eafp \u0111\u1eb7t \u0111\u1ec3 kh\u1ea3o s\u00e1t th\u1ef1c t\u1ebf.<\/li>\n<li data-sourcepos=\"96:5-96:349\"><strong>N\u1ed9i dung kh\u1ea3o s\u00e1t:<\/strong> Nh\u00e2n vi\u00ean s\u1ebd \u0111\u00e1nh gi\u00e1 v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t c\u00f4ng t\u01a1, \u0111i\u1ec1u ki\u1ec7n h\u1ea1 t\u1ea7ng l\u01b0\u1edbi \u0111i\u1ec7n hi\u1ec7n c\u00f3, x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng \u00e1n c\u1ea5p \u0111i\u1ec7n t\u1ed1i \u01b0u (\u0111i n\u1ed5i hay ng\u1ea7m, c\u1ea7n tr\u1ed3ng th\u00eam tr\u1ee5 hay kh\u00f4ng), \u0111o \u0111\u1ea1c kho\u1ea3ng c\u00e1ch, \u0111\u00e1nh gi\u00e1 c\u00e1c y\u1ebfu t\u1ed1 an to\u00e0n&#8230; Doanh nghi\u1ec7p c\u1ea7n c\u1eed ng\u01b0\u1eddi c\u00f3 tr\u00e1ch nhi\u1ec7m l\u00e0m vi\u1ec7c v\u00e0 cung c\u1ea5p th\u00f4ng tin c\u1ea7n thi\u1ebft trong bu\u1ed5i kh\u1ea3o s\u00e1t.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"97:1-99:299\"><strong>B\u01b0\u1edbc 3: Th\u1ea9m \u0111\u1ecbnh Thi\u1ebft k\u1ebf K\u1ef9 thu\u1eadt v\u00e0 K\u00fd k\u1ebft H\u1ee3p \u0111\u1ed3ng:<\/strong>\n<ul data-sourcepos=\"98:5-99:299\">\n<li data-sourcepos=\"98:5-98:247\"><strong>Thi\u1ebft k\u1ebf &amp; D\u1ef1 to\u00e1n (n\u1ebfu c\u1ea7n):<\/strong> D\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t, b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt c\u1ee7a \u0110i\u1ec7n l\u1ef1c s\u1ebd l\u1eadp ph\u01b0\u01a1ng \u00e1n c\u1ea5p \u0111i\u1ec7n, thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt v\u00e0 d\u1ef1 to\u00e1n chi ph\u00ed (ph\u1ea7n \u0110i\u1ec7n l\u1ef1c \u0111\u1ea7u t\u01b0 v\u00e0 ph\u1ea7n kh\u00e1ch h\u00e0ng \u0111\u1ea7u t\u01b0 n\u1ebfu c\u00f3 y\u00eau c\u1ea7u \u0110i\u1ec7n l\u1ef1c thi c\u00f4ng).<\/li>\n<li data-sourcepos=\"99:5-99:299\"><strong>Th\u1ecfa thu\u1eadn \u0111\u1ea5u n\u1ed1i &amp; H\u1ee3p \u0111\u1ed3ng:<\/strong> Sau khi ph\u01b0\u01a1ng \u00e1n \u0111\u01b0\u1ee3c duy\u1ec7t, hai b\u00ean s\u1ebd ti\u1ebfn h\u00e0nh k\u00fd k\u1ebft Th\u1ecfa thu\u1eadn \u0111\u1ea5u n\u1ed1i (quy \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m \u0111\u1ea5u n\u1ed1i, tr\u00e1ch nhi\u1ec7m k\u1ef9 thu\u1eadt) v\u00e0 H\u1ee3p \u0111\u1ed3ng Mua b\u00e1n \u0110i\u1ec7n (quy \u0111\u1ecbnh quy\u1ec1n, ngh\u0129a v\u1ee5, gi\u00e1 \u0111i\u1ec7n, h\u00ecnh th\u1ee9c thanh to\u00e1n&#8230;). H\u00e3y \u0111\u1ecdc k\u1ef9 c\u00e1c \u0111i\u1ec1u kho\u1ea3n tr\u01b0\u1edbc khi k\u00fd.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"100:1-103:94\"><strong>B\u01b0\u1edbc 4: Thi c\u00f4ng L\u1eafp \u0111\u1eb7t H\u1ec7 th\u1ed1ng \u0110o \u0111\u1ebfm v\u00e0 \u0110\u01b0\u1eddng d\u00e2y Sau c\u00f4ng t\u01a1:<\/strong>\n<ul data-sourcepos=\"101:5-103:94\">\n<li data-sourcepos=\"101:5-101:185\"><strong>Ph\u1ea7n \u0110i\u1ec7n l\u1ef1c thi c\u00f4ng:<\/strong> \u0110i\u1ec7n l\u1ef1c s\u1ebd ch\u1ecbu tr\u00e1ch nhi\u1ec7m thi c\u00f4ng ph\u1ea7n \u0111\u01b0\u1eddng d\u00e2y t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n ph\u00e2n ph\u1ed1i \u0111\u1ebfn v\u1ecb tr\u00ed \u0111\u1eb7t c\u00f4ng t\u01a1 v\u00e0 l\u1eafp \u0111\u1eb7t c\u00f4ng t\u01a1, aptomat b\u1ea3o v\u1ec7 t\u1ed5ng sau c\u00f4ng t\u01a1.<\/li>\n<li data-sourcepos=\"102:5-102:359\"><strong>Ph\u1ea7n Kh\u00e1ch h\u00e0ng thi c\u00f4ng:<\/strong> Kh\u00e1ch h\u00e0ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m thi c\u00f4ng ph\u1ea7n \u0111\u01b0\u1eddng d\u00e2y sau c\u00f4ng t\u01a1 v\u00e0o b\u00ean trong nh\u00e0 x\u01b0\u1edfng, bao g\u1ed3m t\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i ch\u00ednh, c\u00e1c t\u1ee7 nh\u00e1nh, d\u00e2y d\u1eabn \u0111\u1ebfn m\u00e1y m\u00f3c thi\u1ebft b\u1ecb. Kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 t\u1ef1 thi c\u00f4ng ho\u1eb7c thu\u00ea \u0111\u01a1n v\u1ecb thi c\u00f4ng \u0111i\u1ec7n chuy\u00ean nghi\u1ec7p (khuy\u1ebfn kh\u00edch), ho\u1eb7c thu\u00ea ch\u00ednh \u0110i\u1ec7n l\u1ef1c th\u1ef1c hi\u1ec7n ph\u1ea7n n\u00e0y (s\u1ebd c\u00f3 b\u00e1o gi\u00e1 ri\u00eang).<\/li>\n<li data-sourcepos=\"103:5-103:94\"><strong>Ph\u1ed1i h\u1ee3p:<\/strong> C\u1ea7n c\u00f3 s\u1ef1 ph\u1ed1i h\u1ee3p nh\u1ecbp nh\u00e0ng gi\u1eefa hai b\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 v\u00e0 k\u1ef9 thu\u1eadt.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"104:1-109:0\"><strong>B\u01b0\u1edbc 5: Nghi\u1ec7m thu K\u1ef9 thu\u1eadt, \u0110\u00f3ng \u0111i\u1ec7n v\u00e0 B\u00e0n giao:<\/strong>\n<ul data-sourcepos=\"105:5-109:0\">\n<li data-sourcepos=\"105:5-105:203\"><strong>Ki\u1ec3m tra:<\/strong> Sau khi ho\u00e0n th\u00e0nh thi c\u00f4ng (c\u1ea3 ph\u1ea7n \u0110i\u1ec7n l\u1ef1c v\u00e0 kh\u00e1ch h\u00e0ng), \u0110i\u1ec7n l\u1ef1c s\u1ebd ti\u1ebfn h\u00e0nh ki\u1ec3m tra to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt v\u00e0 an to\u00e0n (\u0111o c\u00e1ch \u0111i\u1ec7n, ti\u1ebfp \u0111\u1ecba, ki\u1ec3m tra \u0111\u1ea5u n\u1ed1i&#8230;).<\/li>\n<li data-sourcepos=\"106:5-106:93\"><strong>Nghi\u1ec7m thu:<\/strong> N\u1ebfu t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u1ea1t y\u00eau c\u1ea7u, hai b\u00ean s\u1ebd k\u00fd Bi\u00ean b\u1ea3n Nghi\u1ec7m thu K\u1ef9 thu\u1eadt.<\/li>\n<li data-sourcepos=\"107:5-107:70\"><strong>\u0110\u00f3ng \u0111i\u1ec7n:<\/strong> \u0110i\u1ec7n l\u1ef1c s\u1ebd th\u1ef1c hi\u1ec7n \u0111\u00f3ng \u0111i\u1ec7n t\u1ea1i \u0111i\u1ec3m \u0111\u1ea5u n\u1ed1i.<\/li>\n<li data-sourcepos=\"108:5-109:0\"><strong>B\u00e0n giao:<\/strong> H\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c b\u00e0n giao cho kh\u00e1ch h\u00e0ng \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng. B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ecdc ch\u1ec9 s\u1ed1 c\u00f4ng t\u01a1 v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 data-sourcepos=\"110:1-110:55\"><span class=\"ez-toc-section\" id=\"Thoi_gian_Giai_quyet_Thu_tuc_Can_Cho_Bao_Lau\"><\/span><strong>Th\u1eddi gian Gi\u1ea3i quy\u1ebft Th\u1ee7 t\u1ee5c: C\u1ea7n Ch\u1edd Bao L\u00e2u?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"112:1-112:245\">M\u1ed9t trong nh\u1eefng c\u00e2u h\u1ecfi \u0111\u01b0\u1ee3c quan t\u00e2m nh\u1ea5t l\u00e0 th\u1eddi gian ho\u00e0n th\u00e0nh to\u00e0n b\u1ed9 quy tr\u00ecnh. Theo quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh c\u1ee7a EVN, th\u1eddi gian gi\u1ea3i quy\u1ebft th\u1ee7 t\u1ee5c c\u1ea5p \u0111i\u1ec7n m\u1edbi t\u1eeb l\u01b0\u1edbi h\u1ea1 \u00e1p (bao g\u1ed3m c\u1ea3 \u0111i\u1ec7n 3 pha) \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb khi nh\u1eadn \u0111\u1ee7 h\u1ed3 s\u01a1 h\u1ee3p l\u1ec7 nh\u01b0 sau:<\/p>\n<ul data-sourcepos=\"114:1-120:0\">\n<li data-sourcepos=\"114:1-114:191\"><strong>T\u1ed1i \u0111a 03 ng\u00e0y l\u00e0m vi\u1ec7c:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ea5p \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng, kh\u00f4ng y\u00eau c\u1ea7u ph\u1ea3i thi c\u00f4ng ph\u1ee9c t\u1ea1p (v\u00ed d\u1ee5: ch\u1ec9 c\u1ea7n k\u00e9o d\u00e2y t\u1eeb c\u1ed9t \u0111i\u1ec7n hi\u1ec7n c\u00f3 g\u1ea7n nh\u1ea5t \u0111\u1ebfn v\u1ecb tr\u00ed l\u1eafp c\u00f4ng t\u01a1).<\/li>\n<li data-sourcepos=\"115:1-120:0\"><strong>T\u1ed1i \u0111a 07 ng\u00e0y l\u00e0m vi\u1ec7c:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p ph\u1ee9c t\u1ea1p h\u01a1n, \u0111\u00f2i h\u1ecfi c\u00e1c c\u00f4ng t\u00e1c nh\u01b0:\n<ul data-sourcepos=\"116:5-120:0\">\n<li data-sourcepos=\"116:5-116:30\">Ph\u1ea3i tr\u1ed3ng m\u1edbi tr\u1ee5 \u0111i\u1ec7n.<\/li>\n<li data-sourcepos=\"117:5-117:29\">Ph\u1ea3i thi c\u00f4ng c\u00e1p ng\u1ea7m.<\/li>\n<li data-sourcepos=\"118:5-118:90\">C\u1ea7n t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng mang t\u1ea3i c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y ho\u1eb7c tr\u1ea1m bi\u1ebfn \u00e1p c\u00f4ng c\u1ed9ng hi\u1ec7n h\u1eefu.<\/li>\n<li data-sourcepos=\"119:5-120:0\">S\u1eed d\u1ee5ng c\u00f4ng t\u01a1 gi\u00e1n ti\u1ebfp (c\u00f3 bi\u1ebfn d\u00f2ng).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-sourcepos=\"121:1-121:393\"><em>L\u01b0u \u00fd:<\/em> Th\u1eddi gian tr\u00ean l\u00e0 th\u1eddi gian cam k\u1ebft c\u1ee7a ng\u00e0nh \u0110i\u1ec7n l\u1ef1c cho ph\u1ea7n vi\u1ec7c c\u1ee7a h\u1ecd. T\u1ed5ng th\u1eddi gian th\u1ef1c t\u1ebf t\u1eeb l\u00fac n\u1ed9p h\u1ed3 s\u01a1 \u0111\u1ebfn l\u00fac c\u00f3 \u0111i\u1ec7n s\u1eed d\u1ee5ng c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o th\u1eddi gian kh\u00e1ch h\u00e0ng ho\u00e0n th\u00e0nh ph\u1ea7n thi c\u00f4ng \u0111\u01b0\u1eddng d\u00e2y sau c\u00f4ng t\u01a1 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1ch quan kh\u00e1c (th\u1eddi ti\u1ebft, gi\u1ea3i ph\u00f3ng m\u1eb7t b\u1eb1ng n\u1ebfu c\u1ea7n&#8230;). Do \u0111\u00f3, doanh nghi\u1ec7p n\u00ean c\u00f3 k\u1ebf ho\u1ea1ch v\u00e0 n\u1ed9p h\u1ed3 s\u01a1 s\u1edbm \u0111\u1ec3 ch\u1ee7 \u0111\u1ed9ng v\u1ec1 m\u1eb7t th\u1eddi gian.<\/p>\n<h2 data-sourcepos=\"123:1-123:86\"><span class=\"ez-toc-section\" id=\"Quy_Trinh_Thi_Cong_Lap_Dat_Dien_3_Pha_Tai_Nha_Xuong_An_Toan_va_Dung_Ky_Thuat\"><\/span><strong>Quy Tr\u00ecnh Thi C\u00f4ng L\u1eafp \u0110\u1eb7t \u0110i\u1ec7n 3 Pha T\u1ea1i Nh\u00e0 X\u01b0\u1edfng: An To\u00e0n v\u00e0 \u0110\u00fang K\u1ef9 Thu\u1eadt<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-sourcepos=\"125:1-125:306\">Ph\u1ea7n thi c\u00f4ng l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u01b0\u1eddng d\u00e2y v\u00e0 thi\u1ebft b\u1ecb sau c\u00f4ng t\u01a1 b\u00ean trong nh\u00e0 x\u01b0\u1edfng, l\u00e0 giai \u0111o\u1ea1n \u0111\u00f2i h\u1ecfi chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt cao v\u00e0 ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy t\u1eafc an to\u00e0n. Sai s\u00f3t trong giai \u0111o\u1ea1n n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng v\u1ec1 an to\u00e0n \u0111i\u1ec7n v\u00e0 hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh.<\/p>\n<h3 data-sourcepos=\"127:1-127:60\"><span class=\"ez-toc-section\" id=\"Lap_dat_Cong_to_Dien_3_Pha_Truc_tiep_vs_Gian_tiep\"><\/span><strong>L\u1eafp \u0111\u1eb7t C\u00f4ng t\u01a1 \u0110i\u1ec7n 3 Pha: Tr\u1ef1c ti\u1ebfp vs. Gi\u00e1n ti\u1ebfp<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"129:1-129:219\">C\u00f4ng t\u01a1 (\u0111\u1ed3ng h\u1ed3 \u0111o \u0111i\u1ec7n) l\u00e0 thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 \u0111o l\u01b0\u1eddng l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng ti\u00eau th\u1ee5. Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00f4ng t\u01a1 3 pha c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi nh\u00e2n vi\u00ean \u0110i\u1ec7n l\u1ef1c ho\u1eb7c ng\u01b0\u1eddi c\u00f3 chuy\u00ean m\u00f4n. C\u00f3 hai lo\u1ea1i c\u00f4ng t\u01a1 3 pha ch\u00ednh:<\/p>\n<ul data-sourcepos=\"131:1-150:0\">\n<li data-sourcepos=\"131:1-139:57\"><strong>C\u00f4ng t\u01a1 \u0110i\u1ec7n 3 pha Tr\u1ef1c ti\u1ebfp:<\/strong>\n<ul data-sourcepos=\"132:5-139:57\">\n<li data-sourcepos=\"132:5-132:173\"><strong>Khi n\u00e0o s\u1eed d\u1ee5ng:<\/strong> D\u00f9ng cho c\u00e1c ph\u1ee5 t\u1ea3i c\u00f3 c\u00f4ng su\u1ea5t kh\u00f4ng qu\u00e1 l\u1edbn, th\u01b0\u1eddng khi d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a aptomat t\u1ed5ng (MCCB ho\u1eb7c MCB) <strong>nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 100A<\/strong> (Ampe).<\/li>\n<li data-sourcepos=\"133:5-137:48\"><strong>C\u00e1ch \u0111\u1ea5u n\u1ed1i:<\/strong> D\u00f2ng \u0111i\u1ec7n t\u1eeb l\u01b0\u1edbi s\u1ebd \u0111i tr\u1ef1c ti\u1ebfp qua c\u00e1c cu\u1ed9n d\u00e2y d\u00f2ng \u0111i\u1ec7n b\u00ean trong c\u00f4ng t\u01a1 tr\u01b0\u1edbc khi c\u1ea5p cho ph\u1ee5 t\u1ea3i. Lo\u1ea1i c\u00f4ng t\u01a1 n\u00e0y th\u01b0\u1eddng c\u00f3 <strong>8 v\u1ecb tr\u00ed \u0111\u1ea5u d\u00e2y<\/strong> ch\u00ednh, chia th\u00e0nh 4 nh\u00f3m:\n<ul data-sourcepos=\"134:9-137:48\">\n<li data-sourcepos=\"134:9-134:30\">Pha A v\u00e0o &#8211; Pha A ra<\/li>\n<li data-sourcepos=\"135:9-135:30\">Pha B v\u00e0o &#8211; Pha B ra<\/li>\n<li data-sourcepos=\"136:9-136:30\">Pha C v\u00e0o &#8211; Pha C ra<\/li>\n<li data-sourcepos=\"137:9-137:48\">Trung t\u00ednh (N) v\u00e0o &#8211; Trung t\u00ednh (N) ra<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"138:5-138:40\"><strong>\u01afu \u0111i\u1ec3m:<\/strong> \u0110\u1ea5u n\u1ed1i \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/li>\n<li data-sourcepos=\"139:5-139:57\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> B\u1ecb gi\u1edbi h\u1ea1n v\u1ec1 d\u00f2ng \u0111i\u1ec7n ch\u1ecbu \u0111\u1ef1ng.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"140:1-150:0\"><strong>C\u00f4ng t\u01a1 \u0110i\u1ec7n 3 pha Gi\u00e1n ti\u1ebfp:<\/strong>\n<ul data-sourcepos=\"141:5-150:0\">\n<li data-sourcepos=\"141:5-141:101\"><strong>Khi n\u00e0o s\u1eed d\u1ee5ng:<\/strong> B\u1eaft bu\u1ed9c s\u1eed d\u1ee5ng khi d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a aptomat t\u1ed5ng <strong>l\u1edbn h\u01a1n 100A<\/strong>.<\/li>\n<li data-sourcepos=\"142:5-146:31\"><strong>C\u00e1ch \u0111\u1ea5u n\u1ed1i:<\/strong> D\u00f2ng \u0111i\u1ec7n ph\u1ee5 t\u1ea3i qu\u00e1 l\u1edbn kh\u00f4ng th\u1ec3 \u0111i tr\u1ef1c ti\u1ebfp qua c\u00f4ng t\u01a1. Thay v\u00e0o \u0111\u00f3, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng c\u00e1c <strong>Bi\u1ebfn d\u00f2ng \u0110i\u1ec7n (Current Transformers &#8211; CT)<\/strong> l\u1eafp tr\u00ean c\u00e1c d\u00e2y pha. CT s\u1ebd h\u1ea1 d\u00f2ng \u0111i\u1ec7n l\u1edbn xu\u1ed1ng m\u1ed9t gi\u00e1 tr\u1ecb ti\u00eau chu\u1ea9n (th\u01b0\u1eddng l\u00e0 5A) theo m\u1ed9t t\u1ef7 s\u1ed1 nh\u1ea5t \u0111\u1ecbnh (v\u00ed d\u1ee5 200\/5A, 400\/5A, 1000\/5A&#8230;). D\u00f2ng \u0111i\u1ec7n th\u1ee9 c\u1ea5p 5A n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o c\u00f4ng t\u01a1 \u0111\u1ec3 \u0111o \u0111\u1ebfm. \u0110i\u1ec7n \u00e1p v\u1eabn \u0111\u01b0\u1ee3c l\u1ea5y tr\u1ef1c ti\u1ebfp t\u1eeb c\u00e1c pha \u0111\u01b0a v\u00e0o c\u00f4ng t\u01a1. Lo\u1ea1i c\u00f4ng t\u01a1 n\u00e0y th\u01b0\u1eddng c\u00f3 <strong>11 v\u1ecb tr\u00ed \u0111\u1ea5u d\u00e2y<\/strong> ch\u00ednh:\n<ul data-sourcepos=\"143:9-146:31\">\n<li data-sourcepos=\"143:9-143:40\">3 d\u00e2y \u0111i\u1ec7n \u00e1p pha A, B, C v\u00e0o.<\/li>\n<li data-sourcepos=\"144:9-144:77\">1 d\u00e2y trung t\u00ednh N v\u00e0o (\u0111\u1ec3 c\u1ea5p ngu\u1ed3n cho m\u1ea1ch \u0111i\u1ec7n \u00e1p c\u1ee7a c\u00f4ng t\u01a1).<\/li>\n<li data-sourcepos=\"145:9-145:73\">6 d\u00e2y t\u1eeb cu\u1ed9n th\u1ee9 c\u1ea5p c\u1ee7a 3 Bi\u1ebfn d\u00f2ng (M\u1ed7i CT c\u00f3 2 \u0111\u1ea7u d\u00e2y ra).<\/li>\n<li data-sourcepos=\"146:9-146:31\">1 d\u00e2y n\u1ed1i \u0111\u1ea5t b\u1ea3o v\u1ec7.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"147:5-147:45\"><strong>\u01afu \u0111i\u1ec3m:<\/strong> \u0110o \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n r\u1ea5t l\u1edbn.<\/li>\n<li data-sourcepos=\"148:5-148:75\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> \u0110\u1ea5u n\u1ed1i ph\u1ee9c t\u1ea1p h\u01a1n, c\u1ea7n th\u00eam chi ph\u00ed cho Bi\u1ebfn d\u00f2ng.<\/li>\n<li data-sourcepos=\"149:5-150:0\"><strong>L\u01b0u \u00fd:<\/strong> Ch\u1ec9 s\u1ed1 \u0111i\u1ec7n n\u0103ng ti\u00eau th\u1ee5 \u0111\u1ecdc tr\u00ean c\u00f4ng t\u01a1 gi\u00e1n ti\u1ebfp ph\u1ea3i \u0111\u01b0\u1ee3c nh\u00e2n v\u1edbi <strong>t\u1ef7 s\u1ed1 bi\u1ebfn d\u00f2ng (CT ratio)<\/strong> v\u00e0 <strong>t\u1ef7 s\u1ed1 bi\u1ebfn \u00e1p \u0111o l\u01b0\u1eddng (VT ratio)<\/strong> (n\u1ebfu c\u00f3 d\u00f9ng bi\u1ebfn \u00e1p \u0111o l\u01b0\u1eddng \u1edf l\u01b0\u1edbi trung th\u1ebf) \u0111\u1ec3 ra l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng th\u1ef1c t\u1ebf. Th\u00f4ng th\u01b0\u1eddng \u1edf l\u01b0\u1edbi h\u1ea1 th\u1ebf ch\u1ec9 c\u1ea7n nh\u00e2n v\u1edbi t\u1ef7 s\u1ed1 CT.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-sourcepos=\"151:1-151:148\">S\u01a1 \u0111\u1ed3 \u0111\u1ea5u d\u00e2y chi ti\u1ebft th\u01b0\u1eddng \u0111\u01b0\u1ee3c in s\u1eb5n tr\u00ean n\u1eafp che h\u1ed9p \u0111\u1ea5u d\u00e2y c\u1ee7a c\u00f4ng t\u01a1. Vi\u1ec7c \u0111\u1ea5u n\u1ed1i sai c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00f4ng t\u01a1 \u0111o sai ho\u1eb7c kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<h3 data-sourcepos=\"153:1-153:81\"><span class=\"ez-toc-section\" id=\"Cac_buoc_Thi_cong_Lap_dat_He_thong_Dien_3_Pha_An_Toan_Phan_sau_cong_to\"><\/span><strong>C\u00e1c b\u01b0\u1edbc Thi c\u00f4ng L\u1eafp \u0111\u1eb7t H\u1ec7 th\u1ed1ng \u0110i\u1ec7n 3 Pha An To\u00e0n (Ph\u1ea7n sau c\u00f4ng t\u01a1)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"155:1-155:119\">\u0110\u00e2y l\u00e0 ph\u1ea7n tr\u00e1ch nhi\u1ec7m ch\u00ednh c\u1ee7a doanh nghi\u1ec7p. Vi\u1ec7c thi c\u00f4ng c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3:<\/p>\n<ol data-sourcepos=\"157:1-173:0\">\n<li data-sourcepos=\"157:1-157:459\"><strong>Thi\u1ebft k\u1ebf Chi ti\u1ebft H\u1ec7 th\u1ed1ng \u0110i\u1ec7n Nh\u00e0 x\u01b0\u1edfng:<\/strong> Tr\u01b0\u1edbc khi thi c\u00f4ng, c\u1ea7n c\u00f3 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf chi ti\u1ebft h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u1ed9i b\u1ed9, bao g\u1ed3m: s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd, s\u01a1 \u0111\u1ed3 \u0111i d\u00e2y, v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t t\u1ee7 \u0111i\u1ec7n ch\u00ednh (MSB), t\u1ee7 ph\u00e2n ph\u1ed1i nh\u00e1nh (DB), \u0111\u01b0\u1eddng \u0111i c\u1ee7a thang m\u00e1ng c\u00e1p, v\u1ecb tr\u00ed c\u00e1c \u1ed5 c\u1eafm c\u00f4ng nghi\u1ec7p, c\u00f4ng t\u1eafc, \u0111\u00e8n chi\u1ebfu s\u00e1ng, v\u1ecb tr\u00ed \u0111\u1ea5u n\u1ed1i cho t\u1eebng m\u00e1y m\u00f3c. Thi\u1ebft k\u1ebf ph\u1ea3i t\u00ednh to\u00e1n \u0111\u1ee7 c\u00f4ng su\u1ea5t, ch\u1ecdn \u0111\u00fang ti\u1ebft di\u1ec7n d\u00e2y d\u1eabn, lo\u1ea1i aptomat ph\u00f9 h\u1ee3p cho t\u1eebng nh\u00e1nh v\u00e0 thi\u1ebft b\u1ecb.<\/li>\n<li data-sourcepos=\"158:1-158:366\"><strong>Chu\u1ea9n b\u1ecb V\u1eadt t\u01b0 Ch\u1ea5t l\u01b0\u1ee3ng:<\/strong> L\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i v\u1eadt t\u01b0, thi\u1ebft b\u1ecb \u0111i\u1ec7n (d\u00e2y c\u00e1p, aptomat, t\u1ee7 \u0111i\u1ec7n, \u1ed1ng lu\u1ed3n, thang m\u00e1ng c\u00e1p, \u1ed5 c\u1eafm, c\u00f4ng t\u1eafc&#8230;) c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, ngu\u1ed3n g\u1ed1c r\u00f5 r\u00e0ng, \u0111\u1ea1t ti\u00eau chu\u1ea9n Vi\u1ec7t Nam (TCVN) ho\u1eb7c qu\u1ed1c t\u1ebf (IEC), ph\u00f9 h\u1ee3p v\u1edbi c\u00f4ng su\u1ea5t v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c c\u1ee7a nh\u00e0 x\u01b0\u1edfng. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng s\u1eed d\u1ee5ng v\u1eadt t\u01b0 k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, h\u00e0ng gi\u1ea3, h\u00e0ng nh\u00e1i.<\/li>\n<li data-sourcepos=\"159:1-159:273\"><strong>Thi c\u00f4ng L\u1eafp \u0111\u1eb7t T\u1ee7 \u0111i\u1ec7n v\u00e0 Thang M\u00e1ng C\u00e1p:<\/strong> L\u1eafp \u0111\u1eb7t t\u1ee7 \u0111i\u1ec7n ch\u00ednh (MSB) v\u00e0 c\u00e1c t\u1ee7 ph\u00e2n ph\u1ed1i (DB) t\u1ea1i c\u00e1c v\u1ecb tr\u00ed thu\u1eadn ti\u1ec7n cho v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec. L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng thang m\u00e1ng c\u00e1p, \u1ed1ng lu\u1ed3n d\u00e2y theo \u0111\u00fang thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u00e2y d\u1eabn v\u00e0 t\u1ea1o s\u1ef1 g\u1ecdn g\u00e0ng, chuy\u00ean nghi\u1ec7p.<\/li>\n<li data-sourcepos=\"160:1-164:163\"><strong>K\u00e9o v\u00e0 \u0110\u1ea5u n\u1ed1i D\u00e2y d\u1eabn:<\/strong>\n<ul data-sourcepos=\"161:5-164:163\">\n<li data-sourcepos=\"161:5-161:130\">K\u00e9o d\u00e2y d\u1eabn t\u1eeb t\u1ee7 \u0111i\u1ec7n \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb ti\u00eau th\u1ee5 theo \u0111\u00fang l\u1ed9 tr\u00ecnh thi\u1ebft k\u1ebf, \u0111\u1ea3m b\u1ea3o d\u00e2y kh\u00f4ng b\u1ecb xo\u1eafn, g\u1eadp ho\u1eb7c tr\u1ea7y x\u01b0\u1edbc.<\/li>\n<li data-sourcepos=\"162:5-162:169\">S\u1eed d\u1ee5ng \u0111\u00fang m\u00e0u d\u00e2y theo quy \u01b0\u1edbc (v\u00ed d\u1ee5: \u0110\u1ecf-V\u00e0ng-Xanh cho 3 pha, \u0110en\/Tr\u1eafng cho trung t\u00ednh, Xanh l\u00e1 s\u1ecdc v\u00e0ng cho d\u00e2y ti\u1ebfp \u0111\u1ecba &#8211; c\u1ea7n tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh).<\/li>\n<li data-sourcepos=\"163:5-163:155\">Tu\u1ed1t v\u1ecf d\u00e2y c\u1ea9n th\u1eadn, s\u1eed d\u1ee5ng \u0111\u1ea7u cos (lugs) ph\u00f9 h\u1ee3p v\u1edbi ti\u1ebft di\u1ec7n d\u00e2y v\u00e0 lo\u1ea1i d\u00e2y (\u0111\u1ed3ng\/nh\u00f4m). D\u00f9ng k\u00ecm b\u1ea5m cos chuy\u00ean d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfp x\u00fac t\u1ed1t.<\/li>\n<li data-sourcepos=\"164:5-164:163\">Si\u1ebft ch\u1eb7t c\u00e1c \u0111\u1ea7u n\u1ed1i t\u1ea1i aptomat, c\u1ea7u \u0111\u1ea5u, thi\u1ebft b\u1ecb b\u1eb1ng l\u1ef1c v\u1eeba \u0111\u1ee7 (s\u1eed d\u1ee5ng c\u1edd l\u00ea l\u1ef1c n\u1ebfu c\u1ea7n) \u0111\u1ec3 tr\u00e1nh l\u1ecfng l\u1ebbo g\u00e2y ph\u00e1t nhi\u1ec7t ho\u1eb7c qu\u00e1 ch\u1eb7t g\u00e2y h\u1ecfng ren.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"165:1-165:224\"><strong>L\u1eafp \u0111\u1eb7t Aptomat (Circuit Breaker):<\/strong> L\u1eafp \u0111\u1eb7t aptomat t\u1ed5ng v\u00e0 c\u00e1c aptomat nh\u00e1nh c\u00f3 d\u00f2ng \u0111\u1ecbnh m\u1ee9c v\u00e0 d\u00f2ng c\u1eaft ph\u00f9 h\u1ee3p v\u1edbi c\u00f4ng su\u1ea5t v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a ph\u1ee5 t\u1ea3i (ch\u00fa \u00fd aptomat cho \u0111\u1ed9ng c\u01a1 c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng kh\u1edfi \u0111\u1ed9ng).<\/li>\n<li data-sourcepos=\"166:1-166:566\"><strong>Thi c\u00f4ng H\u1ec7 th\u1ed1ng Ti\u1ebfp \u0111\u1ecba An to\u00e0n:<\/strong> \u0110\u00e2y l\u00e0 h\u1ea1ng m\u1ee5c C\u1ef0C K\u1ef2 QUAN TR\u1eccNG. H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba t\u1ed1t gi\u00fap b\u1ea3o v\u1ec7 ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb khi c\u00f3 s\u1ef1 c\u1ed1 ch\u1ea1m v\u1ecf ho\u1eb7c s\u00e9t \u0111\u00e1nh. C\u1ea7n thi c\u00f4ng h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba an to\u00e0n (cho v\u1ecf thi\u1ebft b\u1ecb) v\u00e0 ti\u1ebfp \u0111\u1ecba ch\u1ed1ng s\u00e9t (n\u1ebfu c\u1ea7n) theo \u0111\u00fang ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt (TCVN 9385:2012 ho\u1eb7c c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan), bao g\u1ed3m vi\u1ec7c \u0111\u00f3ng c\u1ecdc ti\u1ebfp \u0111\u1ecba \u0111\u00fang quy c\u00e1ch, s\u1eed d\u1ee5ng d\u00e2y ti\u1ebfp \u0111\u1ecba c\u00f3 ti\u1ebft di\u1ec7n ph\u00f9 h\u1ee3p v\u00e0 li\u00ean k\u1ebft t\u1ea5t c\u1ea3 v\u1ecf kim lo\u1ea1i c\u1ee7a thi\u1ebft b\u1ecb, t\u1ee7 \u0111i\u1ec7n v\u00e0o h\u1ec7 th\u1ed1ng n\u00e0y. \u0110i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t ph\u1ea3i \u0111\u1ea1t y\u00eau c\u1ea7u (&lt; 4 Ohm ho\u1eb7c theo quy \u0111\u1ecbnh c\u1ee5 th\u1ec3).<\/li>\n<li data-sourcepos=\"167:1-173:0\"><strong>Ki\u1ec3m tra v\u00e0 \u0110o l\u01b0\u1eddng Tr\u01b0\u1edbc khi \u0110\u00f3ng \u0111i\u1ec7n:<\/strong> Sau khi ho\u00e0n th\u00e0nh l\u1eafp \u0111\u1eb7t, \u0111\u01a1n v\u1ecb thi c\u00f4ng ph\u1ea3i ti\u1ebfn h\u00e0nh c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra nghi\u00eam ng\u1eb7t:\n<ul data-sourcepos=\"168:5-173:0\">\n<li data-sourcepos=\"168:5-168:26\">Ki\u1ec3m tra th\u00f4ng m\u1ea1ch.<\/li>\n<li data-sourcepos=\"169:5-169:130\">\u0110o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n gi\u1eefa c\u00e1c pha, gi\u1eefa pha v\u00e0 trung t\u00ednh, gi\u1eefa pha v\u00e0 \u0111\u1ea5t (ph\u1ea3i \u0111\u1ea1t gi\u00e1 tr\u1ecb ti\u00eau chu\u1ea9n, th\u01b0\u1eddng l\u00e0 &gt; 1 M\u03a9).<\/li>\n<li data-sourcepos=\"170:5-170:27\">\u0110o \u0111i\u1ec7n tr\u1edf ti\u1ebfp \u0111\u1ea5t.<\/li>\n<li data-sourcepos=\"171:5-171:60\">Ki\u1ec3m tra th\u1ee9 t\u1ef1 pha (\u0111\u1ea3m b\u1ea3o \u0111\u1ed9ng c\u01a1 quay \u0111\u00fang chi\u1ec1u).<\/li>\n<li data-sourcepos=\"172:5-173:0\">Ki\u1ec3m tra l\u1ea1i to\u00e0n b\u1ed9 c\u00e1c m\u1ed1i n\u1ed1i.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 data-sourcepos=\"174:1-174:50\"><span class=\"ez-toc-section\" id=\"Luu_y_quan_trong_trong_qua_trinh_Thi_cong\"><\/span><strong>L\u01b0u \u00fd quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh Thi c\u00f4ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-sourcepos=\"176:1-183:0\">\n<li data-sourcepos=\"176:1-176:390\"><strong>An to\u00e0n l\u00e0 tr\u00ean h\u1ebft:<\/strong> Lu\u00f4n c\u1eaft \u0111i\u1ec7n ho\u00e0n to\u00e0n (ng\u1eaft aptomat t\u1ed5ng, c\u1ea7u dao) v\u00e0 s\u1eed d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p kh\u00f3a an to\u00e0n (Lockout\/Tagout &#8211; LOTO) tr\u01b0\u1edbc khi thi c\u00f4ng. S\u1eed d\u1ee5ng b\u00fat th\u1eed \u0111i\u1ec7n, \u0111\u1ed3ng h\u1ed3 VOM \u0111\u1ec3 ki\u1ec3m tra ch\u1eafc ch\u1eafn kh\u00f4ng c\u00f2n \u0111i\u1ec7n. Trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 B\u1ea3o h\u1ed9 Lao \u0111\u1ed9ng (PPE) nh\u01b0 g\u0103ng tay c\u00e1ch \u0111i\u1ec7n, gi\u00e0y b\u1ea3o h\u1ed9, k\u00ednh m\u1eaft, m\u0169 c\u1ee9ng&#8230; Kh\u00f4ng bao gi\u1edd l\u00e0m vi\u1ec7c m\u1ed9t m\u00ecnh khi thao t\u00e1c v\u1edbi \u0111i\u1ec7n 3 pha.<\/li>\n<li data-sourcepos=\"177:1-180:82\"><strong>\u0110\u1ea5u n\u1ed1i H\u00ecnh Sao (Y) v\u00e0 H\u00ecnh Tam Gi\u00e1c (\u0394) cho \u0110\u1ed9ng c\u01a1:<\/strong> C\u00e1c \u0111\u1ed9ng c\u01a1 3 pha th\u01b0\u1eddng c\u00f3 h\u1ed9p \u0111\u1ea5u d\u00e2y cho ph\u00e9p ch\u1ecdn ki\u1ec3u \u0111\u1ea5u Sao ho\u1eb7c Tam gi\u00e1c. Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi:\n<ul data-sourcepos=\"178:5-180:82\">\n<li data-sourcepos=\"178:5-178:155\">N\u1ebfu \u0111\u1ed9ng c\u01a1 ghi 220V\/380V (\u0394\/Y): Ngh\u0129a l\u00e0 n\u1ebfu l\u01b0\u1edbi \u0111i\u1ec7n 3 pha 380V th\u00ec ph\u1ea3i \u0111\u1ea5u Sao (Y). N\u1ebfu l\u01b0\u1edbi \u0111i\u1ec7n 3 pha 220V (\u00edt g\u1eb7p \u1edf VN) th\u00ec \u0111\u1ea5u Tam gi\u00e1c (\u0394).<\/li>\n<li data-sourcepos=\"179:5-179:99\">N\u1ebfu \u0111\u1ed9ng c\u01a1 ghi 380V\/660V (\u0394\/Y): Ngh\u0129a l\u00e0 n\u1ebfu l\u01b0\u1edbi \u0111i\u1ec7n 3 pha 380V th\u00ec ph\u1ea3i \u0111\u1ea5u Tam gi\u00e1c (\u0394).<\/li>\n<li data-sourcepos=\"180:5-180:82\">\u0110\u1ea5u sai ki\u1ec3u c\u00f3 th\u1ec3 l\u00e0m ch\u00e1y \u0111\u1ed9ng c\u01a1. C\u1ea7n \u0111\u1ecdc k\u1ef9 th\u00f4ng s\u1ed1 tr\u00ean nh\u00e3n \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"181:1-181:452\"><strong>L\u1ef1a ch\u1ecdn Aptomat Ph\u00f9 h\u1ee3p:<\/strong> Ch\u1ecdn aptomat (MCB, MCCB) kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c (In) m\u00e0 c\u00f2n ph\u1ea3i xem x\u00e9t d\u00f2ng c\u1eaft ng\u1eafn m\u1ea1ch (Icu, Ics) ph\u1ea3i l\u1edbn h\u01a1n d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn t\u1ea1i \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t. \u0110\u1ed1i v\u1edbi \u0111\u1ed9ng c\u01a1, n\u00ean ch\u1ecdn aptomat c\u00f3 \u0111\u01b0\u1eddng cong \u0111\u1eb7c t\u00ednh lo\u1ea1i D ho\u1eb7c K \u0111\u1ec3 tr\u00e1nh b\u1ecb nh\u1ea3y khi \u0111\u1ed9ng c\u01a1 kh\u1edfi \u0111\u1ed9ng (d\u00f2ng kh\u1edfi \u0111\u1ed9ng c\u00f3 th\u1ec3 g\u1ea5p 5-8 l\u1ea7n d\u00f2ng \u0111\u1ecbnh m\u1ee9c). T\u00ednh to\u00e1n d\u00f2ng \u0111\u1ecbnh m\u1ee9c aptomat th\u01b0\u1eddng b\u1eb1ng (1.25 &#8211; 2.5) l\u1ea7n d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a t\u1ea3i.<\/li>\n<li data-sourcepos=\"182:1-183:0\"><strong>Ch\u1ea5t l\u01b0\u1ee3ng V\u1eadt t\u01b0 v\u00e0 Tay ngh\u1ec1 Thi c\u00f4ng:<\/strong> \u0110\u1eebng ti\u1ebft ki\u1ec7m chi ph\u00ed b\u1eb1ng c\u00e1ch ch\u1ecdn v\u1eadt t\u01b0 r\u1ebb ti\u1ec1n, kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c ho\u1eb7c thu\u00ea \u0111\u01a1n v\u1ecb thi c\u00f4ng thi\u1ebfu kinh nghi\u1ec7m. H\u1eadu qu\u1ea3 c\u00f3 th\u1ec3 l\u00e0 ch\u00e1y n\u1ed5, h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb, th\u1eadm ch\u00ed tai n\u1ea1n ch\u1ebft ng\u01b0\u1eddi. M\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c thi c\u00f4ng b\u00e0i b\u1ea3n, \u0111\u00fang k\u1ef9 thu\u1eadt s\u1ebd \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh trong nhi\u1ec1u n\u0103m.<\/li>\n<\/ul>\n<h2 data-sourcepos=\"184:1-184:67\"><span class=\"ez-toc-section\" id=\"Chi_Phi_Lap_Dat_Dien_3_Pha_va_Nhung_Luu_Y_Vang_Khi_Su_Dung\"><\/span><strong>Chi Ph\u00ed L\u1eafp \u0110\u1eb7t \u0110i\u1ec7n 3 Pha v\u00e0 Nh\u1eefng L\u01b0u \u00dd V\u00e0ng Khi S\u1eed D\u1ee5ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-sourcepos=\"186:1-186:209\">Ho\u00e0n th\u00e0nh vi\u1ec7c l\u1eafp \u0111\u1eb7t l\u00e0 m\u1ed9t c\u1ed9t m\u1ed1c quan tr\u1ecdng, nh\u01b0ng vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 chi ph\u00ed v\u00e0 c\u00e1c quy \u0111\u1ecbnh, l\u01b0u \u00fd khi v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 \u0111\u1ea7u t\u01b0 v\u00e0 an to\u00e0n l\u00e2u d\u00e0i.<\/p>\n<h3 data-sourcepos=\"188:1-188:53\"><span class=\"ez-toc-section\" id=\"Boc_tach_Chi_phi_Lap_dat_Dien_3_Pha_San_xuat\"><\/span><strong>B\u00f3c t\u00e1ch Chi ph\u00ed L\u1eafp \u0111\u1eb7t \u0110i\u1ec7n 3 Pha S\u1ea3n xu\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"190:1-190:88\">T\u1ed5ng chi ph\u00ed \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha cho nh\u00e0 x\u01b0\u1edfng th\u01b0\u1eddng bao g\u1ed3m hai ph\u1ea7n ch\u00ednh:<\/p>\n<ol data-sourcepos=\"192:1-200:0\">\n<li data-sourcepos=\"192:1-194:227\"><strong>Chi ph\u00ed do \u0110\u01a1n v\u1ecb \u0110i\u1ec7n l\u1ef1c (EVN) \u0111\u1ea7u t\u01b0 v\u00e0 ch\u1ecbu tr\u00e1ch nhi\u1ec7m:<\/strong>\n<ul data-sourcepos=\"193:5-194:227\">\n<li data-sourcepos=\"193:5-193:348\"><strong>Ph\u1ea1m vi:<\/strong> Th\u00f4ng th\u01b0\u1eddng bao g\u1ed3m to\u00e0n b\u1ed9 chi ph\u00ed v\u1eadt li\u1ec7u (tr\u1ee5, d\u00e2y d\u1eabn, x\u00e0, s\u1ee9, c\u00f4ng t\u01a1, aptomat b\u1ea3o v\u1ec7 t\u1ed5ng sau c\u00f4ng t\u01a1&#8230;), chi ph\u00ed nh\u00e2n c\u00f4ng l\u1eafp \u0111\u1eb7t, chi ph\u00ed qu\u1ea3n l\u00fd d\u1ef1 \u00e1n, c\u00e1c kho\u1ea3n thu\u1ebf v\u00e0 ph\u00ed theo quy \u0111\u1ecbnh c\u1ee7a Nh\u00e0 n\u01b0\u1edbc cho ph\u1ea7n <strong>nh\u00e1nh r\u1ebd t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n h\u1ea1 \u00e1p c\u00f4ng c\u1ed9ng \u0111\u1ebfn v\u1ecb tr\u00ed \u0111\u1eb7t c\u00f4ng t\u01a1 v\u00e0 aptomat b\u1ea3o v\u1ec7 c\u00f4ng t\u01a1<\/strong> cho kh\u00e1ch h\u00e0ng.<\/li>\n<li data-sourcepos=\"194:5-194:227\"><strong>Tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t:<\/strong> N\u1ebfu c\u1ea7n x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng d\u00e2y trung \u00e1p v\u00e0 tr\u1ea1m bi\u1ebfn \u00e1p ri\u00eang cho kh\u00e1ch h\u00e0ng (th\u01b0\u1eddng l\u00e0 c\u00e1c doanh nghi\u1ec7p c\u00f3 nhu c\u1ea7u c\u00f4ng su\u1ea5t c\u1ef1c l\u1edbn), s\u1ebd c\u00f3 th\u1ecfa thu\u1eadn ri\u00eang v\u1ec1 chi ph\u00ed \u0111\u1ea7u t\u01b0 gi\u1eefa EVN v\u00e0 kh\u00e1ch h\u00e0ng.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"195:1-200:0\"><strong>Chi ph\u00ed do Doanh nghi\u1ec7p (Kh\u00e1ch h\u00e0ng) \u0111\u1ea7u t\u01b0 v\u00e0 ch\u1ecbu tr\u00e1ch nhi\u1ec7m:<\/strong>\n<ul data-sourcepos=\"196:5-200:0\">\n<li data-sourcepos=\"196:5-196:269\"><strong>Ph\u1ea1m vi:<\/strong> Bao g\u1ed3m to\u00e0n b\u1ed9 chi ph\u00ed v\u1eadt li\u1ec7u (d\u00e2y d\u1eabn, \u1ed1ng lu\u1ed3n, thang m\u00e1ng c\u00e1p, t\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i, aptomat nh\u00e1nh, \u1ed5 c\u1eafm, c\u00f4ng t\u1eafc&#8230;) v\u00e0 chi ph\u00ed nh\u00e2n c\u00f4ng l\u1eafp \u0111\u1eb7t cho <strong>to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n b\u00ean trong nh\u00e0 x\u01b0\u1edfng, t\u00ednh t\u1eeb sau aptomat b\u1ea3o v\u1ec7 t\u1ed5ng do EVN l\u1eafp \u0111\u1eb7t<\/strong>.<\/li>\n<li data-sourcepos=\"197:5-197:387\"><strong>Chi ph\u00ed thu\u00ea \u0111\u01a1n v\u1ecb thi c\u00f4ng:<\/strong> N\u1ebfu doanh nghi\u1ec7p thu\u00ea m\u1ed9t \u0111\u01a1n v\u1ecb thi c\u00f4ng \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p b\u00ean ngo\u00e0i \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u1ea7n vi\u1ec7c n\u00e0y, chi ph\u00ed s\u1ebd bao g\u1ed3m c\u1ea3 v\u1eadt t\u01b0, nh\u00e2n c\u00f4ng, l\u1ee3i nhu\u1eadn c\u1ee7a nh\u00e0 th\u1ea7u v\u00e0 c\u00e1c lo\u1ea1i thu\u1ebf, ph\u00ed li\u00ean quan. \u0110\u00e2y th\u01b0\u1eddng l\u00e0 kho\u1ea3n chi ph\u00ed l\u1edbn v\u00e0 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o quy m\u00f4 nh\u00e0 x\u01b0\u1edfng, \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng, ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt t\u01b0 l\u1ef1a ch\u1ecdn v\u00e0 \u0111\u01a1n gi\u00e1 c\u1ee7a nh\u00e0 th\u1ea7u.<\/li>\n<li data-sourcepos=\"198:5-198:98\"><strong>Chi ph\u00ed thi\u1ebft k\u1ebf:<\/strong> Chi ph\u00ed thu\u00ea \u0111\u01a1n v\u1ecb t\u01b0 v\u1ea5n thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 x\u01b0\u1edfng (n\u1ebfu c\u1ea7n).<\/li>\n<li data-sourcepos=\"199:5-200:0\"><strong>Chi ph\u00ed ki\u1ec3m \u0111\u1ecbnh (n\u1ebfu c\u00f3):<\/strong> Chi ph\u00ed ki\u1ec3m \u0111\u1ecbnh an to\u00e0n h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng theo y\u00eau c\u1ea7u c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd nh\u00e0 n\u01b0\u1edbc (v\u00ed d\u1ee5: S\u1edf Lao \u0111\u1ed9ng &#8211; Th\u01b0\u01a1ng binh v\u00e0 X\u00e3 h\u1ed9i, C\u1ea3nh s\u00e1t PCCC).<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p data-sourcepos=\"201:1-201:62\"><em>L\u1eddi khuy\u00ean:<\/em> \u0110\u1ec3 ki\u1ec3m so\u00e1t chi ph\u00ed hi\u1ec7u qu\u1ea3, doanh nghi\u1ec7p n\u00ean:<\/p>\n<ul data-sourcepos=\"202:1-206:0\">\n<li data-sourcepos=\"202:1-202:57\">L\u00e0m vi\u1ec7c r\u00f5 r\u00e0ng v\u1edbi EVN v\u1ec1 ph\u1ea1m vi \u0111\u1ea7u t\u01b0 c\u1ee7a m\u1ed7i b\u00ean.<\/li>\n<li data-sourcepos=\"203:1-203:48\">L\u1eadp d\u1ef1 to\u00e1n chi ti\u1ebft cho ph\u1ea7n \u0111\u1ea7u t\u01b0 c\u1ee7a m\u00ecnh.<\/li>\n<li data-sourcepos=\"204:1-204:185\">L\u1ea5y b\u00e1o gi\u00e1 t\u1eeb nhi\u1ec1u \u0111\u01a1n v\u1ecb thi c\u00f4ng \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p uy t\u00edn \u0111\u1ec3 so s\u00e1nh. Kh\u00f4ng n\u00ean ch\u1ecdn nh\u00e0 th\u1ea7u ch\u1ec9 d\u1ef1a v\u00e0o gi\u00e1 r\u1ebb nh\u1ea5t m\u00e0 c\u1ea7n xem x\u00e9t c\u1ea3 n\u0103ng l\u1ef1c, kinh nghi\u1ec7m v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cam k\u1ebft.<\/li>\n<li data-sourcepos=\"205:1-206:0\">L\u1ef1a ch\u1ecdn v\u1eadt t\u01b0 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o, ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u thay v\u00ec ch\u1ea1y theo th\u01b0\u01a1ng hi\u1ec7u qu\u00e1 \u0111\u1eaft ti\u1ec1n ho\u1eb7c ham r\u1ebb mua h\u00e0ng k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<h3 data-sourcepos=\"207:1-207:67\"><span class=\"ez-toc-section\" id=\"Nhung_Luu_y_Song_con_khi_Su_dung_Dien_3_Pha_trong_San_xuat\"><\/span><strong>Nh\u1eefng L\u01b0u \u00fd S\u1ed1ng c\u00f2n khi S\u1eed d\u1ee5ng \u0110i\u1ec7n 3 Pha trong S\u1ea3n xu\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-sourcepos=\"209:1-209:163\">Sau khi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha \u0111\u00e3 \u0111i v\u00e0o ho\u1ea1t \u0111\u1ed9ng, vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u00e0 l\u01b0u \u00fd sau \u0111\u00e2y l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u00e0 tr\u00e1nh c\u00e1c r\u1eafc r\u1ed1i ph\u00e1p l\u00fd:<\/p>\n<ol data-sourcepos=\"211:1-234:0\">\n<li data-sourcepos=\"211:1-214:187\"><strong>Tu\u00e2n th\u1ee7 Nghi\u00eam ng\u1eb7t Lu\u1eadt \u0110i\u1ec7n l\u1ef1c v\u00e0 c\u00e1c Quy \u0111\u1ecbnh Ph\u00e1p lu\u1eadt:<\/strong>\n<ul data-sourcepos=\"212:5-214:187\">\n<li data-sourcepos=\"212:5-212:291\"><strong>Gi\u00e1 \u0111i\u1ec7n:<\/strong> \u0110i\u1ec7n 3 pha d\u00f9ng cho s\u1ea3n xu\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng bi\u1ec3u gi\u00e1 \u0111i\u1ec7n ri\u00eang cho m\u1ee5c \u0111\u00edch s\u1ea3n xu\u1ea5t, kh\u00e1c v\u1edbi gi\u00e1 \u0111i\u1ec7n sinh ho\u1ea1t hay kinh doanh d\u1ecbch v\u1ee5. C\u1ea7n theo d\u00f5i v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang bi\u1ec3u gi\u00e1 do Ch\u00ednh ph\u1ee7 v\u00e0 B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng ban h\u00e0nh (thay \u0111\u1ed5i theo gi\u1edd cao \u0111i\u1ec3m, b\u00ecnh th\u01b0\u1eddng, th\u1ea5p \u0111i\u1ec3m).<\/li>\n<li data-sourcepos=\"213:5-213:213\"><strong>S\u1eed d\u1ee5ng \u0111\u00fang m\u1ee5c \u0111\u00edch:<\/strong> Ch\u1ec9 s\u1eed d\u1ee5ng \u0111i\u1ec7n cho m\u1ee5c \u0111\u00edch s\u1ea3n xu\u1ea5t \u0111\u00e3 \u0111\u0103ng k\u00fd. Vi\u1ec7c s\u1eed d\u1ee5ng sai m\u1ee5c \u0111\u00edch (v\u00ed d\u1ee5: d\u00f9ng \u0111i\u1ec7n s\u1ea3n xu\u1ea5t cho sinh ho\u1ea1t) l\u00e0 vi ph\u1ea1m h\u1ee3p \u0111\u1ed3ng v\u00e0 c\u00f3 th\u1ec3 b\u1ecb truy thu ti\u1ec1n \u0111i\u1ec7n, x\u1eed ph\u1ea1t.<\/li>\n<li data-sourcepos=\"214:5-214:187\"><strong>An to\u00e0n \u0111i\u1ec7n:<\/strong> Tu\u00e2n th\u1ee7 c\u00e1c quy chu\u1ea9n k\u1ef9 thu\u1eadt qu\u1ed1c gia v\u1ec1 an to\u00e0n \u0111i\u1ec7n (v\u00ed d\u1ee5: QCVN QT\u0110 01:2008\/BCT v\u00e0 c\u00e1c quy chu\u1ea9n c\u1eadp nh\u1eadt kh\u00e1c), c\u00e1c quy \u0111\u1ecbnh v\u1ec1 h\u00e0nh lang an to\u00e0n l\u01b0\u1edbi \u0111i\u1ec7n.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"215:1-223:76\"><strong>An to\u00e0n Lao \u0111\u1ed9ng l\u00e0 \u01afu ti\u00ean S\u1ed1 1:<\/strong>\n<ul data-sourcepos=\"216:5-223:76\">\n<li data-sourcepos=\"216:5-216:198\"><strong>Nguy c\u01a1:<\/strong> \u0110i\u1ec7n 3 pha v\u1edbi \u0111i\u1ec7n \u00e1p 380V c\u00f3 th\u1ec3 g\u00e2y ra tai n\u1ea1n \u0111i\u1ec7n gi\u1eadt nghi\u00eam tr\u1ecdng, b\u1ecfng n\u1eb7ng, th\u1eadm ch\u00ed t\u1eed vong. Nguy c\u01a1 h\u1ed3 quang \u0111i\u1ec7n (arc flash) khi c\u00f3 s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch c\u0169ng r\u1ea5t nguy hi\u1ec3m.<\/li>\n<li data-sourcepos=\"217:5-223:76\"><strong>Bi\u1ec7n ph\u00e1p:<\/strong>\n<ul data-sourcepos=\"218:9-223:76\">\n<li data-sourcepos=\"218:9-218:98\">X\u00e2y d\u1ef1ng v\u00e0 ph\u1ed5 bi\u1ebfn quy tr\u00ecnh v\u1eadn h\u00e0nh an to\u00e0n thi\u1ebft b\u1ecb \u0111i\u1ec7n cho t\u1ea5t c\u1ea3 c\u00f4ng nh\u00e2n vi\u00ean.<\/li>\n<li data-sourcepos=\"219:9-219:113\">\u0110\u00e0o t\u1ea1o, hu\u1ea5n luy\u1ec7n \u0111\u1ecbnh k\u1ef3 v\u1ec1 an to\u00e0n \u0111i\u1ec7n cho ng\u01b0\u1eddi lao \u0111\u1ed9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 th\u1ee3 \u0111i\u1ec7n v\u1eadn h\u00e0nh, b\u1ea3o tr\u00ec.<\/li>\n<li data-sourcepos=\"220:9-220:67\">Trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 c\u00e1 nh\u00e2n (PPE) ph\u00f9 h\u1ee3p.<\/li>\n<li data-sourcepos=\"221:9-221:120\">Th\u1ef1c hi\u1ec7n ki\u1ec3m \u0111\u1ecbnh k\u1ef9 thu\u1eadt an to\u00e0n \u0111\u1ecbnh k\u1ef3 cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f3 y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t v\u1ec1 an to\u00e0n lao \u0111\u1ed9ng.<\/li>\n<li data-sourcepos=\"222:9-222:64\">C\u00f3 ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd s\u1ef1 c\u1ed1 v\u00e0 s\u01a1 c\u1ee9u ng\u01b0\u1eddi b\u1ecb \u0111i\u1ec7n gi\u1eadt.<\/li>\n<li data-sourcepos=\"223:9-223:76\">B\u1ed1 tr\u00ed bi\u1ec3n b\u00e1o nguy hi\u1ec3m t\u1ea1i c\u00e1c khu v\u1ef1c c\u00f3 \u0111i\u1ec7n \u00e1p cao, t\u1ee7 \u0111i\u1ec7n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"224:1-226:345\"><strong>Tu\u00e2n th\u1ee7 Ti\u00eau chu\u1ea9n K\u1ef9 thu\u1eadt v\u00e0 B\u1ea3o tr\u00ec \u0110\u1ecbnh k\u1ef3:<\/strong>\n<ul data-sourcepos=\"225:5-226:345\">\n<li data-sourcepos=\"225:5-225:319\"><strong>Ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng:<\/strong> \u0110\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u1eadn h\u00e0nh \u0111\u00fang c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt (\u0111i\u1ec7n \u00e1p, t\u1ea7n s\u1ed1 \u1ed5n \u0111\u1ecbnh). Xem x\u00e9t l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng nh\u01b0 b\u1ed9 l\u1ecdc s\u00f3ng h\u00e0i, b\u1ed9 b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng (t\u1ee5 b\u00f9) n\u1ebfu c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3m t\u1ed5n th\u1ea5t v\u00e0 tr\u00e1nh b\u1ecb ph\u1ea1t ti\u1ec1n \u0111i\u1ec7n do h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t (cos \u03c6) th\u1ea5p.<\/li>\n<li data-sourcepos=\"226:5-226:345\"><strong>B\u1ea3o tr\u00ec, b\u1ea3o d\u01b0\u1ee1ng:<\/strong> L\u1eadp k\u1ebf ho\u1ea1ch v\u00e0 th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec, b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 x\u01b0\u1edfng (ki\u1ec3m tra m\u1ed1i n\u1ed1i, v\u1ec7 sinh t\u1ee7 \u0111i\u1ec7n, ki\u1ec3m tra aptomat, \u0111o \u0111i\u1ec7n tr\u1edf ti\u1ebfp \u0111\u1ea5t, ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n \u0111\u1ed9ng c\u01a1&#8230;). Vi\u1ec7c n\u00e0y gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c nguy c\u01a1 ti\u1ec1m \u1ea9n, ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1 v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb. N\u00ean l\u01b0u gi\u1eef h\u1ed3 s\u01a1 b\u1ea3o tr\u00ec c\u1ea9n th\u1eadn.<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"227:1-230:164\"><strong>B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng v\u00e0 S\u1eed d\u1ee5ng N\u0103ng l\u01b0\u1ee3ng Ti\u1ebft ki\u1ec7m:<\/strong>\n<ul data-sourcepos=\"228:5-230:164\">\n<li data-sourcepos=\"228:5-228:233\"><strong>Ti\u1ebfng \u1ed3n:<\/strong> C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f4ng su\u1ea5t l\u1edbn (m\u00e1y bi\u1ebfn \u00e1p, \u0111\u1ed9ng c\u01a1) c\u00f3 th\u1ec3 g\u00e2y ti\u1ebfng \u1ed3n. C\u1ea7n c\u00f3 bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u ti\u1ebfng \u1ed3n (v\u1ecf c\u00e1ch \u00e2m, b\u1ec7 ch\u1ed1ng rung) \u0111\u1ec3 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng xung quanh v\u00e0 s\u1ee9c kh\u1ecfe ng\u01b0\u1eddi lao \u0111\u1ed9ng.<\/li>\n<li data-sourcepos=\"229:5-229:266\"><strong>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng:<\/strong> \u00c1p d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p s\u1eed d\u1ee5ng \u0111i\u1ec7n ti\u1ebft ki\u1ec7m v\u00e0 hi\u1ec7u qu\u1ea3 (s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao IE2, IE3, IE4; l\u1eafp bi\u1ebfn t\u1ea7n cho \u0111\u1ed9ng c\u01a1; s\u1eed d\u1ee5ng \u0111\u00e8n LED ti\u1ebft ki\u1ec7m \u0111i\u1ec7n; t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb v\u00e0o gi\u1edd th\u1ea5p \u0111i\u1ec3m&#8230;).<\/li>\n<li data-sourcepos=\"230:5-230:164\"><strong>X\u1eed l\u00fd ch\u1ea5t th\u1ea3i:<\/strong> Qu\u1ea3n l\u00fd v\u00e0 x\u1eed l\u00fd \u0111\u00fang quy \u0111\u1ecbnh c\u00e1c ch\u1ea5t th\u1ea3i ph\u00e1t sinh t\u1eeb qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, b\u1ea3o tr\u00ec (v\u1ecf d\u00e2y \u0111i\u1ec7n, b\u00f3ng \u0111\u00e8n h\u1ecfng, d\u1ea7u m\u00e1y bi\u1ebfn \u00e1p c\u0169&#8230;).<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"231:1-234:0\"><strong>L\u1ef1a ch\u1ecdn \u0110\u01a1n v\u1ecb Thi c\u00f4ng, B\u1ea3o tr\u00ec Chuy\u00ean nghi\u1ec7p:<\/strong>\n<ul data-sourcepos=\"232:5-234:0\">\n<li data-sourcepos=\"232:5-232:325\">Nh\u01b0 \u0111\u00e3 nh\u1ea5n m\u1ea1nh, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u01a1n v\u1ecb c\u00f3 \u0111\u1ee7 n\u0103ng l\u1ef1c, kinh nghi\u1ec7m v\u00e0 uy t\u00edn trong l\u0129nh v\u1ef1c <strong>thi c\u00f4ng \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p<\/strong>, <strong>l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n nh\u00e0 x\u01b0\u1edfng<\/strong> l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. H\u1ecd kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt, an to\u00e0n m\u00e0 c\u00f2n c\u00f3 th\u1ec3 t\u01b0 v\u1ea5n c\u00e1c gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u, gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 tu\u00e2n th\u1ee7 \u0111\u00fang quy \u0111\u1ecbnh.<\/li>\n<li data-sourcepos=\"233:5-234:0\">\u0110\u1ed1i v\u1edbi c\u00f4ng t\u00e1c b\u1ea3o tr\u00ec, vi\u1ec7c k\u00fd h\u1ee3p \u0111\u1ed3ng v\u1edbi m\u1ed9t \u0111\u01a1n v\u1ecb chuy\u00ean nghi\u1ec7p c\u0169ng gi\u00fap \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 ch\u0103m s\u00f3c \u0111\u1ecbnh k\u1ef3, gi\u1ea3m thi\u1ec3u r\u1ee7i ro s\u1ef1 c\u1ed1.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2 data-sourcepos=\"235:1-235:62\"><span class=\"ez-toc-section\" id=\"Ket_Luan_Chu_Dong_Nam_Bat_Co_Hoi_Tu_Nguon_Dien_3_Pha\"><\/span><strong>K\u1ebft Lu\u1eadn: Ch\u1ee7 \u0110\u1ed9ng N\u1eafm B\u1eaft C\u01a1 H\u1ed9i T\u1eeb Ngu\u1ed3n \u0110i\u1ec7n 3 Pha<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-sourcepos=\"237:1-237:416\">Vi\u1ec7c <strong>l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n 3 pha cho m\u1ee5c \u0111\u00edch s\u1ea3n xu\u1ea5t<\/strong> l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng, mang l\u1ea1i s\u1ee9c m\u1ea1nh v\u00e0 hi\u1ec7u qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a doanh nghi\u1ec7p. T\u1eeb vi\u1ec7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh cho nh\u1eefng c\u1ed7 m\u00e1y hi\u1ec7n \u0111\u1ea1i, t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed v\u1eadn h\u00e0nh th\u00f4ng qua hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng cao, \u0111\u1ebfn vi\u1ec7c \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4 trong t\u01b0\u01a1ng lai, \u0111i\u1ec7n 3 pha th\u1ef1c s\u1ef1 l\u00e0 &#8220;m\u1ea1ch m\u00e1u&#8221; nu\u00f4i d\u01b0\u1ee1ng s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n<p data-sourcepos=\"239:1-239:399\">Tuy nhi\u00ean, h\u00e0nh tr\u00ecnh \u0111\u01b0a ngu\u1ed3n \u0111i\u1ec7n m\u1ea1nh m\u1ebd n\u00e0y v\u1ec1 v\u1edbi nh\u00e0 x\u01b0\u1edfng \u0111\u00f2i h\u1ecfi s\u1ef1 chu\u1ea9n b\u1ecb k\u1ef9 l\u01b0\u1ee1ng, hi\u1ec3u bi\u1ebft v\u1ec1 quy tr\u00ecnh v\u00e0 tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy \u0111\u1ecbnh v\u1ec1 k\u1ef9 thu\u1eadt c\u0169ng nh\u01b0 an to\u00e0n. T\u1eeb vi\u1ec7c \u0111\u00e1p \u1ee9ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a EVN, chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 h\u1ed3 s\u01a1 ph\u00e1p l\u00fd, theo s\u00e1t quy tr\u00ecnh \u0111\u0103ng k\u00fd v\u00e0 thi c\u00f4ng, cho \u0111\u1ebfn vi\u1ec7c v\u1eadn h\u00e0nh an to\u00e0n v\u00e0 b\u1ea3o tr\u00ec hi\u1ec7u qu\u1ea3, m\u1ed7i b\u01b0\u1edbc \u0111i \u0111\u1ec1u c\u1ea7n s\u1ef1 c\u1ea9n tr\u1ecdng v\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u00fang \u0111\u1eafn.<\/p>\n<p data-sourcepos=\"241:1-241:321\">Hy v\u1ecdng r\u1eb1ng, b\u00e0i vi\u1ebft chi ti\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u00e0 nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch nh\u1ea5t v\u1ec1 vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng \u0111i\u1ec7n 3 pha trong s\u1ea3n xu\u1ea5t. H\u00e3y nh\u1edb r\u1eb1ng, \u0111\u1ea7u t\u01b0 v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n an to\u00e0n, \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 ngay t\u1eeb \u0111\u1ea7u ch\u00ednh l\u00e0 n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho s\u1ef1 th\u00e0nh c\u00f4ng b\u1ec1n v\u1eefng c\u1ee7a doanh nghi\u1ec7p b\u1ea1n.<\/p>\n<p data-sourcepos=\"243:1-243:233\"><em>N\u1ebfu b\u1ea1n \u0111ang c\u00f3 k\u1ebf ho\u1ea1ch l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n 3 pha, \u0111\u1eebng ng\u1ea7n ng\u1ea1i li\u00ean h\u1ec7 s\u1edbm v\u1edbi C\u00f4ng ty \u0110i\u1ec7n l\u1ef1c t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb t\u01b0 v\u1ea5n, thi c\u00f4ng \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p chuy\u00ean nghi\u1ec7p \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 v\u00e0 t\u01b0 v\u1ea5n c\u1ee5 th\u1ec3 nh\u1ea5t cho tr\u01b0\u1eddng h\u1ee3p c\u1ee7a m\u00ecnh.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh c\u00f4ng nghi\u1ec7p h\u00f3a, hi\u1ec7n \u0111\u1ea1i h\u00f3a ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd t\u1ea1i Vi\u1ec7t Nam, nhu c\u1ea7u<\/p>","protected":false},"author":1,"featured_media":16937,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-16936","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.5 (Yoast SEO v25.8) - 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