{"id":6894,"date":"2025-04-09T07:04:10","date_gmt":"2025-04-09T07:04:10","guid":{"rendered":"https:\/\/busbarmanufacturer.com\/?p=6894"},"modified":"2025-05-21T06:01:07","modified_gmt":"2025-05-21T06:01:07","slug":"insulated-vs-uninsulated-copper-busbars","status":"publish","type":"post","link":"https:\/\/busbarmanufacturer.com\/vi\/insulated-vs-uninsulated-copper-busbars\/","title":{"rendered":"Thanh c\u00e1i \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n so v\u1edbi kh\u00f4ng c\u00e1ch \u0111i\u1ec7n: t\u1ed1i \u01b0u h\u00f3a cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1216.8px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:70px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\" style=\"--awb-text-color:var(--awb-color7);--awb-margin-top:20px;\"><p>In the field of power transmission, <a href=\"https:\/\/busbarmanufacturer.com\/vi\/copper-bus-bar\/\"><span style=\"color: #339966;\"><strong>thanh c\u00e1i b\u1eb1ng \u0111\u1ed3ng<\/strong> <\/span><\/a>as \u201cenergy arteries\u201d undertake more than 90% of the distribution cabinet conductive tasks. This article analyzes the conductivity, safety level, application scenarios, and other five dimensions of insulated\/non-insulated copper busbars and combines the IEEE standards and practice cases of domestic leading enterprises to reveal the differences in the functional positioning of the two in the power system. The study shows that uninsulated copper busbar dominates the primary circuit by virtue of the current density advantage of 2.68 A\/mm\u00b2, while <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/busbarmanufacturer.com\/vi\/insulated-bus-bar\/\"><strong>thanh \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n<\/strong><\/a> <\/span>th\u1ef1c hi\u1ec7n \u0111\u1ed9t ph\u00e1 \u0111i\u1ec7n \u00e1p kh\u00e1ng 42 kV th\u00f4ng qua PTFE v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c \u0111\u1ec3 tr\u1edf th\u00e0nh b\u1ed9 ph\u1eadn b\u1ea3o v\u1ec7 an to\u00e0n cho m\u1ea1ch th\u1ee9 c\u1ea5p.<\/p>\n<h2 id=\"iii-application-scenario-differentiation-mapping\"><span style=\"color: #339966;\">S\u1ef1 kh\u00e1c bi\u1ec7t trong <\/span><span style=\"color: #339966;\">\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/span><\/h2>\n<p>Thanh c\u00e1i \u0111\u1ed3ng kh\u00f4ng c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, v\u1edbi m\u1eadt \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n l\u00e0 2,68-2,12 A\/mm\u00b2 v\u00e0 thi\u1ebft k\u1ebf m\u1eb7t c\u1eaft h\u00ecnh ch\u1eef nh\u1eadt c\u1ee7a n\u00f3 nh\u1eadn ra kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t t\u1ef1 nhi\u00ean b\u1eb1ng c\u00e1ch t\u0103ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng truy\u1ec1n t\u1ea3i d\u00f2ng \u0111i\u1ec7n cao h\u01a1n 4000 A. Ng\u01b0\u1ee3c l\u1ea1i, thanh c\u00e1i \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n, do tr\u1edf kh\u00e1ng c\u1ee7a l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t t\u0103ng l\u00ean, trong c\u00f9ng m\u1ed9t di\u1ec7n t\u00edch m\u1eb7t c\u1eaft, l\u00e0m gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng t\u1ea3i xu\u1ed1ng kho\u1ea3ng 15%, nh\u01b0ng th\u00f4ng qua c\u1ea5u tr\u00fac \u1ed1ng r\u1ed7ng, s\u1ef1 \u0111\u1ed5i m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi h\u1ec7 s\u1ed1 hi\u1ec7u \u1ee9ng b\u1ec1 m\u1eb7t KF \u2264 1, t\u1ed1t h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi thanh c\u00e1i \u0111\u1ed3ng h\u00ecnh ch\u1eef nh\u1eadt KF \u2265 1,8.<\/p>\n<\/div>\n<div class=\"table-1\">\n<table width=\"100%\">\n<thead>\n<tr>\n<th align=\"left\">C\u00e1c tham s\u1ed1<\/th>\n<th align=\"left\">Thanh c\u00e1i \u0111\u1ed3ng kh\u00f4ng c\u00e1ch \u0111i\u1ec7n<\/th>\n<th align=\"left\">Thanh \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\">M\u1eadt \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n (A\/mm\u00b2)<\/td>\n<td align=\"left\">2,68 (\u0424100\u00d75mm)<\/td>\n<td align=\"left\">2.12 (c\u00f3 c\u00e1ch \u0111i\u1ec7n)<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">T\u0103ng nhi\u1ec7t \u0111\u1ed9 (\u0394T)<\/td>\n<td align=\"left\">\u226570K<\/td>\n<td align=\"left\">\u226440K<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Kh\u1ea3 n\u0103ng ch\u1ed1ng d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch (kA\/4s)<\/td>\n<td align=\"left\">160<\/td>\n<td align=\"left\">200<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"fusion-text fusion-text-2\" style=\"--awb-text-color:var(--awb-color7);--awb-margin-top:20px;\"><h2><span style=\"color: #339966;\">S\u1ef1 kh\u00e1c bi\u1ec7t trong <\/span><span style=\"color: #339966;\">h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 an to\u00e0n<\/span><\/h2>\n<p>Thanh c\u00e1i \u0111\u1ed3ng kh\u00f4ng c\u00e1ch \u0111i\u1ec7n d\u1ef1a v\u00e0o kho\u1ea3ng c\u00e1ch c\u00e1ch \u0111i\u1ec7n kh\u00f4ng kh\u00ed 125mm (ti\u00eau chu\u1ea9n IEC 61439-2); c\u00f3 nguy c\u01a1 r\u00f2 r\u1ec9 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. V\u00e0 thanh c\u00e1i \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n c\u1ee7a ch\u00fang t\u00f4i \u00e1p d\u1ee5ng ba l\u1edbp b\u1ea3o v\u1ec7:<\/p>\n<ul>\n<li>Ch\u1ea5t n\u1ec1n PTFE 0,5mm (ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 -250\u2103~+250\u2103)<\/li>\n<li>l\u1edbp ch\u1eafn b\u0103ng \u0111\u1ed3ng n\u1ed1i \u0111\u1ea5t (\u0111i\u1ec7n th\u1ebf b\u1ec1 m\u1eb7t b\u1eb1ng kh\u00f4ng)<\/li>\n<li>L\u1edbp ph\u1ee7 nh\u1ef1a epoxy (ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p IF 50 kV), th\u1ef1c hi\u1ec7n b\u1ea3o v\u1ec7 m\u1ecdi th\u1eddi ti\u1ebft. C\u00e1c th\u00ed nghi\u1ec7m cho th\u1ea5y thanh c\u00e1i \u0111\u1ed3ng \u0111\u01b0\u1ee3c ph\u1ee7 nh\u1ef1a epoxy 2mm v\u1eabn c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua th\u1eed nghi\u1ec7m \u0111i\u1ec7n \u00e1p ch\u1ecbu \u0111\u01b0\u1ee3c 50 kV khi kho\u1ea3ng c\u00e1ch ch\u00e9o l\u00e0 0mm.<\/li>\n<\/ul>\n<h2 id=\"iii-application-scenario-differentiation-mapping\"><span style=\"color: #339966;\">S\u1ef1 kh\u00e1c bi\u1ec7t trong c\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng\u00a0<\/span><\/h2>\n<p>M\u1ea1ch ch\u00ednh \u0111\u01b0\u1ee3c \u01b0u ti\u00ean:<br \/>\nThanh c\u00e1i b\u1eb1ng \u0111\u1ed3ng kh\u00f4ng c\u00e1ch \u0111i\u1ec7n chi\u1ebfm \u01b0u th\u1ebf trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p nh\u01b0 tr\u1ea1m bi\u1ebfn \u00e1p 110 kV, v\u1edbi nh\u1eefng \u01b0u \u0111i\u1ec3m sau:<\/p>\n<ul>\n<li>Kh\u00f4ng c\u1ea7n h\u1ed7 tr\u1ee3 cho nh\u1ecbp l\u00ean \u0111\u1ebfn 9 m\u00e9t<\/li>\n<li>\u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc 294 MPa \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0111\u1ed9ng \u0111\u1ea5t (so v\u1edbi 196 MPa \u0111\u1ed1i v\u1edbi \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n).<\/li>\n<li>Ph\u00f9 h\u1ee3p v\u1edbi ph\u00f2ng ph\u00e2n ph\u1ed1i c\u00f3 nhi\u1ec1u kh\u00f4ng gian.<\/li>\n<\/ul>\n<p>\u0110\u1ed5i m\u1edbi m\u1ea1ch th\u1ee9 c\u1ea5p:<br \/>\nThanh c\u00e1i \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n m\u1edf r\u1ed9ng ranh gi\u1edbi \u1ee9ng d\u1ee5ng th\u00f4ng qua s\u1ef1 l\u1eb7p l\u1ea1i c\u00f4ng ngh\u1ec7:<\/p>\n<ul>\n<li>B\u1ed9 pin cho xe n\u0103ng l\u01b0\u1ee3ng m\u1edbi (kh\u1ea3 n\u0103ng d\u1eabn d\u00f2ng 6000A).<\/li>\n<li>Thi\u1ebft k\u1ebf ch\u1ed1ng h\u1ed3 quang cho bi\u1ebfn t\u1ea7n quang \u0111i\u1ec7n.<\/li>\n<li>Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft nh\u1ecf g\u1ecdn (kho\u1ea3ng h\u1edf kh\u00f4ng kh\u00ed gi\u1ea3m t\u1eeb 125mm xu\u1ed1ng c\u00f2n 65mm).<\/li>\n<\/ul>\n<h2 id=\"iv-full-life-cycle-cost-modeling\"><span style=\"color: #339966;\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 chi ph\u00ed<\/span><\/h2>\n<p>M\u1eb7c d\u00f9 chi ph\u00ed mua thanh \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n cao h\u01a1n 30-50% nh\u01b0ng gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh \u1edf:<\/p>\n<ul>\n<li>Gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec: tr\u00e1nh nguy c\u01a1 th\u1ed5i bay l\u1ecd g\u1ed1m (gi\u1ea3m t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c 72%)<\/li>\n<li>L\u1ee3i \u00edch ti\u1ebft ki\u1ec7m kh\u00f4ng gian: K\u00edch th\u01b0\u1edbc thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft 40,5 kV gi\u1ea3m 40%<\/li>\n<li>S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 tu\u1ed5i th\u1ecd: tu\u1ed5i th\u1ecd thi\u1ebft k\u1ebf thanh c\u00e1i \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n \u2265 30 n\u0103m, cao h\u01a1n nhi\u1ec1u so v\u1edbi thanh c\u00e1i \u0111\u1ed3ng tr\u1ea7n l\u00e0 15-20 n\u0103m<\/li>\n<\/ul>\n<h2 id=\"v-technology-evolution-trend-research-and-judgment\"><span style=\"color: #339966;\">Xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7<\/span><\/h2>\n<p>D\u1eef li\u1ec7u ng\u00e0nh cho th\u1ea5y:<\/p>\n<ol>\n<li>\u0110\u1ed9t ph\u00e1 v\u1ec1 v\u1eadt li\u1ec7u: thanh c\u00e1i b\u1eb1ng \u0111\u1ed3ng ph\u1ee7 graphene s\u1ebd t\u0103ng \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n th\u00eam 20% v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng t\u1ef1 c\u00e1ch \u0111i\u1ec7n.<\/li>\n<li>\u0110\u1ed5i m\u1edbi c\u00f4ng ngh\u1ec7: Phun t\u0129nh \u0111i\u1ec7n thay th\u1ebf \u1ed1ng co nhi\u1ec7t, gi\u00fap gi\u1ea3m sai s\u1ed1 \u0111\u1ed9 d\u00e0y l\u1edbp c\u00e1ch nhi\u1ec7t xu\u1ed1ng \u22640,1mm.<\/li>\n<li>N\u00e2ng c\u1ea5p ti\u00eau chu\u1ea9n: IEEE C37.20.2 y\u00eau c\u1ea7u ph\u1ea3i s\u1eed d\u1ee5ng d\u00e2y \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n l\u01b0u h\u00f3a epoxy \u1edf nh\u1eefng khu v\u1ef1c quan tr\u1ecdng.<\/li>\n<\/ol>\n<h2><span style=\"color: #339966;\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/span><\/h2>\n<p>Trong l\u00e0n s\u00f3ng n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, thanh c\u00e1i \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n v\u00e0 kh\u00f4ng c\u00e1ch \u0111i\u1ec7n kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ea3n ph\u1ea9m thay th\u1ebf m\u00e0 l\u00e0 ch\u1ee9c n\u0103ng b\u1ed5 sung. N\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng thanh c\u00e1i \u0111\u1ed3ng tr\u1ea7n ti\u1ebft di\u1ec7n l\u1edbn trong m\u1ea1ch ch\u00ednh (kh\u1ea3 n\u0103ng d\u1eabn d\u00f2ng &gt; 4000 A) v\u00e0 s\u1eed d\u1ee5ng thanh c\u00e1i \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 k\u00e9p \u1edf nh\u1eefng n\u01a1i \u0111\u00f4ng ng\u01b0\u1eddi, c\u01a1 s\u1edf n\u0103ng l\u01b0\u1ee3ng m\u1edbi v\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c. V\u1edbi vi\u1ec7c tri\u1ec3n khai ti\u00eau chu\u1ea9n qu\u1ed1c gia GB\/T 5585.1-2025 m\u1edbi, <strong><a href=\"https:\/\/busbarmanufacturer.com\/vi\/insulated-bus-bar\/\"><span style=\"color: #339966;\">thanh \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n<\/span> <\/a><\/strong>th\u1ecb ph\u1ea7n d\u1ef1 ki\u1ebfn s\u1ebd t\u0103ng t\u1eeb m\u1ee9c 35% hi\u1ec7n t\u1ea1i l\u00ean 52% v\u00e0o n\u0103m 2028.<\/p>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Nam lacinia arcu tortor, nec luctus nibh dignissim eu nulla sit amet maximus.<\/p>","protected":false},"author":1,"featured_media":6895,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-6894","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Insulated vs. uninsulated copper busbars: optimization for power system<\/title>\n<meta name=\"description\" content=\"Compare insulated vs bare copper busbars: current density up to 2.68A\/mm\u00b2, thermal management, safety standards (IEEE C37.20.2). 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