{"id":15483,"date":"2026-01-06T10:08:27","date_gmt":"2026-01-06T02:08:27","guid":{"rendered":"http:\/\/www.erun-tech.com\/?post_type=dt_portfolio&#038;p=15483"},"modified":"2026-01-06T11:00:02","modified_gmt":"2026-01-06T03:00:02","slug":"chuanbofadianjizhukaiguanjiegoushibiesandatuokouqiyushoudongdiandonghezhacaozuozhinan","status":"publish","type":"dt_portfolio","link":"http:\/\/www.erun-tech.com\/vi\/project\/chuanbofadianjizhukaiguanjiegoushibiesandatuokouqiyushoudongdiandonghezhacaozuozhinan","title":{"rendered":"Nh\u1eadn d\u1ea1ng c\u1ea5u tr\u00fac c\u00f4ng t\u1eafc ch\u00ednh c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n t\u00e0u th\u1ee7y: H\u01b0\u1edbng d\u1eabn v\u1eadn h\u00e0nh ba b\u1ed9 ng\u1eaft m\u1ea1ch v\u00e0 \u0111\u00f3ng m\u1ea1ch b\u1eb1ng tay\/\u0111i\u1ec7n"},"content":{"rendered":"<h1 data-path-to-node=\"2\">Ph\u00e2n t\u00edch to\u00e0n di\u1ec7n v\u1ec1 c\u00f4ng t\u1eafc ch\u00ednh c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n tr\u00ean t\u00e0u (ACB): C\u1ea5u t\u1ea1o, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf<\/h1>\n<p data-path-to-node=\"3\">Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tr\u00ean t\u00e0u, c\u00f4ng t\u1eafc ch\u00ednh c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n (c\u1ea7u dao kh\u00f4ng kh\u00ed, vi\u1ebft t\u1eaft l\u00e0 ACB) l\u00e0 \u0111i\u1ec3m k\u1ebft n\u1ed1i then ch\u1ed1t gi\u1eefa m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u00e0 thanh c\u00e1i. Thi\u1ebft b\u1ecb n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ea3m nhi\u1ec7m c\u00e1c thao t\u00e1c \u0111\u00f3ng\/m\u1edf th\u00f4ng th\u01b0\u1eddng m\u00e0 c\u00f2n t\u00edch h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 ph\u1ee9c t\u1ea1p.<\/p>\n<h2 data-path-to-node=\"4\">I. X\u00e1c \u0111\u1ecbnh c\u00e1c c\u01a1 ch\u1ebf c\u1ed1t l\u00f5i: Ba c\u01a1 ch\u1ebf ng\u1eaft k\u1ebft n\u1ed1i ch\u00ednh<\/h2>\n<p data-path-to-node=\"5\">B\u1ed9 ng\u1eaft m\u1ea1ch l\u00e0 \u201cb\u1ed9 ph\u1eadn th\u1ef1c thi\u201d c\u1ee7a c\u00f4ng t\u1eafc ch\u00ednh; theo v\u0103n b\u1ea3n g\u1ed1c, ch\u1ee7 y\u1ebfu ph\u00e2n bi\u1ec7t ba lo\u1ea1i thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 sau \u0111\u00e2y:<\/p>\n<ol start=\"1\" data-path-to-node=\"6\">\n<li>\n<p data-path-to-node=\"6,0,0\"><b data-path-to-node=\"6,0,0\" data-index-in-node=\"0\">B\u1ed9 ng\u1eaft m\u1ea1ch khi s\u1ee5t \u00e1p (Under-voltage Release)<\/b><\/p>\n<ul data-path-to-node=\"6,0,1\">\n<li>\n<p data-path-to-node=\"6,0,1,0,0\"><b data-path-to-node=\"6,0,1,0,0\" data-index-in-node=\"0\">Ch\u1ee9c n\u0103ng:<\/b> \u0110i\u1ec7n \u00e1p th\u1ea5p h\u01a1n gi\u00e1 tr\u1ecb \u0111\u1ecbnh m\u1ee9c <b data-path-to-node=\"6,0,1,0,0\" data-index-in-node=\"13\">40%<\/b> Ng\u1eaft m\u1ea1ch b\u1eaft bu\u1ed9c; \u0111i\u1ec7n \u00e1p cao h\u01a1n <b data-path-to-node=\"6,0,1,0,0\" data-index-in-node=\"28\">75%<\/b> L\u00fac \u0111\u00f3 m\u1edbi c\u00f3 th\u1ec3 \u0111\u00f3ng c\u00f4ng t\u1eafc.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,0,1,1,0\"><b data-path-to-node=\"6,0,1,1,0\" data-index-in-node=\"0\">C\u00e0i \u0111\u1eb7t:<\/b> 35%~70% \u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p data-path-to-node=\"6,1,0\"><b data-path-to-node=\"6,1,0\" data-index-in-node=\"0\">B\u1ed9 ng\u1eaft m\u1ea1ch qu\u00e1 d\u00f2ng (Over-current Trip)<\/b><\/p>\n<ul data-path-to-node=\"6,1,1\">\n<li>\n<p data-path-to-node=\"6,1,1,0,0\"><b data-path-to-node=\"6,1,1,0,0\" data-index-in-node=\"0\">Ch\u1ee9c n\u0103ng:<\/b> Cung c\u1ea5p ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng ng\u1eafn m\u1ea1ch v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 t\u1ea3i.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p data-path-to-node=\"6,2,0\"><b data-path-to-node=\"6,2,0\" data-index-in-node=\"0\">B\u1ed9 ng\u1eaft m\u1ea1ch ph\u00e2n c\u1ef1c (Shunt Release)<\/b><\/p>\n<ul data-path-to-node=\"6,2,1\">\n<li>\n<p data-path-to-node=\"6,2,1,0,0\"><b data-path-to-node=\"6,2,1,0,0\" data-index-in-node=\"0\">Ch\u1ee9c n\u0103ng:<\/b> Nh\u1eadn t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb xa \u0111\u1ec3 th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng \u201cng\u1eaft m\u1ea1ch t\u1eeb xa\u201d.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr data-path-to-node=\"7\" \/>\n<h2 data-path-to-node=\"8\">II. Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c \u0111\u00f3ng c\u00f4ng t\u1eafc: th\u1ee7 c\u00f4ng v\u00e0 \u0111i\u1ec7n<\/h2>\n<p data-path-to-node=\"9\">Nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i c\u1ee7a vi\u1ec7c \u0111\u00f3ng c\u00f4ng t\u1eafc l\u00e0 **\u201ctr\u01b0\u1edbc ti\u00ean t\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng, sau \u0111\u00f3 m\u1edbi th\u1ef1c hi\u1ec7n thao t\u00e1c\u201d**.<\/p>\n<h3 data-path-to-node=\"10\">1. Ph\u01b0\u01a1ng th\u1ee9c \u0111\u00f3ng c\u00f4ng t\u1eafc b\u1eb1ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n<\/h3>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\"><b data-path-to-node=\"11,0,0\" data-index-in-node=\"0\">L\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n:<\/b> Sau khi ng\u1eaft c\u00f4ng t\u1eafc, \u0111\u1ed9ng c\u01a1 t\u00edch h\u1ee3p s\u1ebd t\u1ef1 \u0111\u1ed9ng n\u00e9n l\u00f2 xo \u0111\u1ec3 chu\u1ea9n b\u1ecb cho l\u1ea7n ho\u1ea1t \u0111\u1ed9ng ti\u1ebfp theo.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\"><b data-path-to-node=\"11,1,0\" data-index-in-node=\"0\">L\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u0111i\u1ec7n t\u1eeb \u0111\u00f3ng c\u00f4ng t\u1eafc:<\/b> Ngay khi nh\u1ea5n n\u00fat, cu\u1ed9n d\u00e2y \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n v\u00e0 ho\u00e0n t\u1ea5t to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh \u201ct\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u2013 ng\u1eaft r\u1ed3i n\u1ed1i l\u1ea1i \u2013 gi\u1ea3i ph\u00f3ng\u201d, ch\u1ec9 m\u1ea5t kho\u1ea3ng 0,1 gi\u00e2y.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"12\">2. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f3ng c\u00f4ng t\u1eafc b\u1eb1ng tay<\/h3>\n<ul data-path-to-node=\"13\">\n<li>\n<p data-path-to-node=\"13,0,0\">\u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng t\u1eafc t\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng tay (ch\u1eb3ng h\u1ea1n nh\u01b0 Schneider MT ho\u1eb7c DW95), ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea7n<b data-path-to-node=\"13,0,0\" data-index-in-node=\"30\">Nh\u1ea5n li\u00ean t\u1ee5c v\u00e0o tay c\u1ea7m<\/b>(S\u1ea1c th\u1ee7 c\u00f4ng), cho \u0111\u1ebfn khi b\u1ea3ng hi\u1ec3n th\u1ecb tr\u1ea1ng th\u00e1i s\u1ea1c hi\u1ec3n th\u1ecb \u201cCharged\u201d ho\u1eb7c \u201c\u0110\u00e3 s\u1ea1c \u0111\u1ea7y\u201d, sau \u0111\u00f3 nh\u1ea5n n\u00fat \u0111\u00f3ng c\u00f4ng t\u1eafc c\u01a1 kh\u00ed.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"14\" \/>\n<h2 data-path-to-node=\"15\">III. \u0110\u00e1nh gi\u00e1 th\u1ef1c h\u00e0nh: C\u00e1c \u0111i\u1ec3m ch\u00ednh trong thao t\u00e1c \u0111\u00f3ng v\u00e0 ng\u1eaft c\u00f4ng t\u1eafc<\/h2>\n<p data-path-to-node=\"16\">Theo c\u00e1c y\u00eau c\u1ea7u v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb th\u00ed nghi\u1ec7m trong b\u00e0i thi, th\u00ed sinh c\u1ea7n t\u1eadp trung quan s\u00e1t c\u00e1c qu\u00e1 tr\u00ecnh sau \u0111\u00e2y:<\/p>\n<h3 data-path-to-node=\"17\">1. Logic \u0111\u00f3ng c\u00f4ng t\u1eafc<\/h3>\n<ul data-path-to-node=\"18\">\n<li>\n<p data-path-to-node=\"18,0,0\"><b data-path-to-node=\"18,0,0\" data-index-in-node=\"0\">Ch\u1ebf \u0111\u1ed9 ch\u01a1i \u0111\u01a1n:<\/b> Ki\u1ec3m tra ch\u1ec9 b\u00e1o m\u1ee9c n\u0103ng l\u01b0\u1ee3ng d\u1ef1 tr\u1eef <span class=\"math-inline\" data-math=\"\\rightarrow\" data-index-in-node=\"11\">$\\rightarrow$<\/span> X\u00e1c nh\u1eadn r\u1eb1ng b\u1ed9 ng\u1eaft \u00e1p su\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n (nam ch\u00e2m h\u00fat v\u00e0o) <span class=\"math-inline\" data-math=\"\\rightarrow\" data-index-in-node=\"40\">$\\rightarrow$<\/span> Nh\u1ea5n n\u00fat \u0111\u00f3ng c\u00f4ng t\u1eafc.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"18,1,0\"><b data-path-to-node=\"18,1,0\" data-index-in-node=\"0\">K\u1ebft n\u1ed1i song song:<\/b> M\u1edf b\u1ea3ng \u0111\u1ed3ng b\u1ed9 h\u00f3a <span class=\"math-inline\" data-math=\"\\rightarrow\" data-index-in-node=\"10\">$\\rightarrow$<\/span> Ch\u1edd \u0111i\u1ec3m \u0111\u1ed3ng b\u1ed9 (h\u01b0\u1edbng 12 gi\u1edd) <span class=\"math-inline\" data-math=\"\\rightarrow\" data-index-in-node=\"37\">$\\rightarrow$<\/span> Nh\u1ea5n nhanh n\u00fat \u0111\u00f3ng c\u00f4ng t\u1eafc.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"19\">2. Logic ng\u1eaft m\u1ea1ch<\/h3>\n<ul data-path-to-node=\"20\">\n<li>\n<p data-path-to-node=\"20,0,0\"><b data-path-to-node=\"20,0,0\" data-index-in-node=\"0\">Ch\u1ebf \u0111\u1ed9 ch\u01a1i \u0111\u01a1n:<\/b> Ph\u1ea3i tu\u00e2n th\u1ee7 \u201c<b data-path-to-node=\"20,0,0\" data-index-in-node=\"9\">Tr\u01b0\u1edbc ti\u00ean ng\u1eaft t\u1ea3i, sau \u0111\u00f3 ng\u1eaft c\u00f4ng t\u1eafc<\/b>\u201dNguy\u00ean t\u1eafc.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,1,0\"><b data-path-to-node=\"20,1,0\" data-index-in-node=\"0\">K\u1ebft n\u1ed1i song song:<\/b> Ph\u1ea3i tu\u00e2n th\u1ee7 \u201c<b data-path-to-node=\"20,1,0\" data-index-in-node=\"9\">Chuy\u1ec3n t\u1ea3i <span class=\"math-inline\" data-math=\"\\rightarrow\" data-index-in-node=\"14\">$\\rightarrow$<\/span> \u0110i\u1ec1u ki\u1ec7n gi\u1ea3i li\u1ec7t \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng <span class=\"math-inline\" data-math=\"\\rightarrow\" data-index-in-node=\"33\">$\\rightarrow$<\/span> M\u1edf c\u00f4ng t\u1eafc<\/b>\u201dQuy tr\u00ecnh.\u201d<\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Ph\u00e2n t\u00edch to\u00e0n di\u1ec7n v\u1ec1 c\u00f4ng t\u1eafc ch\u00ednh c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n tr\u00ean t\u00e0u (ACB): C\u1ea5u tr\u00fac, nguy\u00ean l\u00fd v\u00e0 v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf Trong nh\u00e0 m\u00e1y \u0111i\u1ec7n tr\u00ean t\u00e0u, c\u00f4ng t\u1eafc ch\u00ednh c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n (c\u1ea7u dao kh\u00f4ng kh\u00ed, vi\u1ebft t\u1eaft l\u00e0 ACB) l\u00e0 thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i\u2026<\/p>","protected":false},"author":1,"featured_media":15484,"comment_status":"open","ping_status":"closed","template":"","dt_portfolio_category":[891],"dt_portfolio_tags":[],"class_list":["post-15483","dt_portfolio","type-dt_portfolio","status-publish","has-post-thumbnail","hentry","dt_portfolio_category-dianzidianqiyuanshicaopinggukecheng","dt_portfolio_category-891","description-off"],"_links":{"self":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio"}],"about":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/types\/dt_portfolio"}],"author":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=15483"}],"version-history":[{"count":1,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15483\/revisions"}],"predecessor-version":[{"id":15485,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15483\/revisions\/15485"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media\/15484"}],"wp:attachment":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=15483"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_category?post=15483"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_tags?post=15483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}