{"id":1426,"date":"2026-09-11T01:51:31","date_gmt":"2026-09-11T01:51:31","guid":{"rendered":"https:\/\/lanshanelectric.com\/?p=1426"},"modified":"2026-09-11T01:51:33","modified_gmt":"2026-09-11T01:51:33","slug":"huong-dan-rfq-switchgear-ggd","status":"publish","type":"post","link":"https:\/\/lanshanelectric.com\/vi\/ggd-switchgear-rfq-guide\/","title":{"rendered":"GGD Switchgear RFQ H\u01b0\u1edbng d\u1eabn: Nh\u1eefng g\u00ec c\u1ea7n g\u1eedi tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng"},"content":{"rendered":"<p class=\"wp-block-paragraph\">M\u1ed9t y\u00eau c\u1ea7u thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD n\u00ean m\u00f4 t\u1ea3 vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n, kh\u00f4ng ch\u1ec9 t\u1ee7 b\u1ea1n mong \u0111\u1ee3i nh\u1eadn \u0111\u01b0\u1ee3c. m\u1ed9t \u0111i\u1ec7n \u00e1p, m\u1ed9t d\u00f2ng \u0111i\u1ec7n \u0111\u1ebfn v\u00e0 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng c\u00e1c t\u1ea5m \u0111\u1ec3 l\u1ea1i qu\u00e1 nhi\u1ec1u ch\u1ed7 cho c\u00e1c c\u00e1ch gi\u1ea3i th\u00edch kh\u00e1c nhau c\u1ee7a c\u00f9ng m\u1ed9t d\u1ef1 \u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec3m kh\u1edfi \u0111\u1ea7u t\u1ed1t h\u01a1n l\u00e0 m\u1ed9t y\u00eau c\u1ea7u ph\u1ed1i h\u1ee3p \u0111\u1ec3 b\u00e1o gi\u00e1, ho\u1eb7c RFQ. h\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch nh\u1eefng g\u00ec \u0111\u1ec3 g\u1eedi, x\u1ebfp h\u1ea1ng n\u00e0o \u0111\u1ec3 gi\u1eef ri\u00eang bi\u1ec7t v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebfn m\u1ed9t \u0111\u1ec1 xu\u1ea5t ban \u0111\u1ea7u th\u00e0nh m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt thi\u1ebft b\u1ecb m\u00e0 c\u1ea3 ng\u01b0\u1eddi mua v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 ph\u00ea duy\u1ec7t.<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>M\u1ee5c l\u1ee5c<\/h2><nav><ul><li><a href=\"#what-are-you-buying-when-you-specify-ggd-switchgear\">B\u1ea1n \u0111ang mua g\u00ec khi ch\u1ec9 \u0111\u1ecbnh thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch GGD?<\/a><\/li><li><a href=\"#the-essential-ggd-switchgear-rfq-document-pack\">G\u00f3i t\u00e0i li\u1ec7u RFQ thi\u1ebft y\u1ebfu c\u1ee7a thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch GGD<\/a><\/li><li><a href=\"#show-supply-modes-on-the-single-line-diagram\">Hi\u1ec3n th\u1ecb c\u00e1c ch\u1ebf \u0111\u1ed9 cung c\u1ea5p tr\u00ean s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng<\/a><\/li><li><a href=\"#give-every-feeder-a-load-not-just-a-breaker-size\">Cung c\u1ea5p cho m\u1ed7i Feeder m\u1ed9t t\u1ea3i, kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t k\u00edch th\u01b0\u1edbc Breaker<\/a><\/li><li><a href=\"#separate-assembly-ratings-from-breaker-ratings\">X\u1ebfp h\u1ea1ng l\u1eafp r\u00e1p ri\u00eang bi\u1ec7t v\u1edbi x\u1ebfp h\u1ea1ng Breaker<\/a><\/li><li><a href=\"#define-what-each-outgoing-circuit-actually-includes\">X\u00e1c \u0111\u1ecbnh nh\u1eefng g\u00ec m\u1ed7i m\u1ea1ch \u0111i th\u1ef1c s\u1ef1 bao g\u1ed3m<\/a><\/li><li><a href=\"#state-the-neutral-and-protective-earth-arrangement\">N\u00eau r\u00f5 s\u1ef1 s\u1eafp x\u1ebfp trung l\u1eadp v\u00e0 b\u1ea3o v\u1ec7 tr\u00e1i \u0111\u1ea5t<\/a><\/li><li><a href=\"#approve-cable-space-before-fixing-cabinet-dimensions\">Ph\u00ea duy\u1ec7t kh\u00f4ng gian c\u00e1p tr\u01b0\u1edbc khi s\u1eeda k\u00edch th\u01b0\u1edbc t\u1ee7<\/a><\/li><li><a href=\"#specify-environment-and-temperature-rise-conditions-together\">C\u00f9ng nhau ch\u1ec9 \u0111\u1ecbnh c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u0103ng<\/a><\/li><li><a href=\"#check-maintenance-access-for-the-fixed-arrangement\">Ki\u1ec3m tra quy\u1ec1n truy c\u1eadp b\u1ea3o tr\u00ec \u0111\u1ec3 bi\u1ebft s\u1eafp x\u1ebfp c\u1ed1 \u0111\u1ecbnh<\/a><\/li><li><a href=\"#replace-remote-monitoring-with-a-signal-schedule\">Thay th\u1ebf \u201cGi\u00e1m s\u00e1t t\u1eeb xa\u201d b\u1eb1ng L\u1ecbch tr\u00ecnh t\u00edn hi\u1ec7u<\/a><\/li><li><a href=\"#request-verification-evidence-before-manufacturing-approval\">Y\u00eau c\u1ea7u b\u1eb1ng ch\u1ee9ng x\u00e1c minh tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t s\u1ea3n xu\u1ea5t<\/a><\/li><li><a href=\"#example-two-offers-that-look-identical-until-installation\">V\u00ed d\u1ee5: Hai \u01b0u \u0111\u00e3i tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau cho \u0111\u1ebfn khi c\u00e0i \u0111\u1eb7t<\/a><\/li><li><a href=\"#close-technical-deviations-before-releasing-the-order\">\u0110\u00f3ng c\u00e1c sai l\u1ec7ch k\u1ef9 thu\u1eadt tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh \u0111\u01a1n h\u00e0ng<\/a><\/li><li><a href=\"#conclusion\">K\u1ebft lu\u1eadn<\/a><\/li><li><a href=\"#faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 id=\"what-are-you-buying-when-you-specify-ggd-switchgear\" class=\"wp-block-heading\">B\u1ea1n \u0111ang mua g\u00ec khi ch\u1ec9 \u0111\u1ecbnh thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch GGD?<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/GGD-AC-Low-Voltage-1.jpg\" alt=\"T\u1ee7 chuy\u1ec3n m\u1ea1ch \u0111i\u1ec7n \u00e1p th\u1ea5p GGD AC\" class=\"wp-image-801\" srcset=\"https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/GGD-AC-Low-Voltage-1.jpg 800w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/GGD-AC-Low-Voltage-1-300x300.jpg 300w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/GGD-AC-Low-Voltage-1-150x150.jpg 150w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/GGD-AC-Low-Voltage-1-768x768.jpg 768w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/GGD-AC-Low-Voltage-1-600x600.jpg 600w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/GGD-AC-Low-Voltage-1-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">c\u1ee7a Lanshan&nbsp;<a href=\"https:\/\/lanshanelectric.com\/vi\/san-pham\/tu-thiet-bi-dong-cat-dien-ap-thap-ggd-ac\/\">Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft \u0111i\u1ec7n \u00e1p th\u1ea5p GGD<\/a>&nbsp;l\u00e0 m\u1ed9t l\u1eafp r\u00e1p trong nh\u00e0, c\u1ed1 \u0111\u1ecbnh-c\u1ea5u tr\u00fac cho ph\u00e2n ph\u1ed1i \u0111i\u1ec7n, ki\u1ec3m so\u00e1t v\u00e0 b\u1ea3o v\u1ec7 \u0111i\u1ec7n. s\u1eafp x\u1ebfp c\u00f4ng b\u1ed1 c\u1ee7a n\u00f3 bao g\u1ed3m \u0111\u1ebfn, ph\u00e2n ph\u1ed1i, \u0111o s\u00e1ng v\u00e0 ph\u1ea7n k\u1ebft n\u1ed1i c\u00e1p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ean s\u1ea3n ph\u1ea9m l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u, kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt ho\u00e0n ch\u1ec9nh. x\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb \u0111\u1ebfn th\u1ef1c t\u1ebf, m\u1ea1ch \u0111i, b\u1ed1 tr\u00ed b\u00ean trong v\u00e0 y\u00eau c\u1ea7u c\u00e0i \u0111\u1eb7t. kh\u00f4ng gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng m\u1ed9t t\u1ee7 c\u1ed1 \u0111\u1ecbnh cung c\u1ea5p s\u1ef1 s\u1eafp x\u1ebfp thay th\u1ebf \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean ng\u0103n k\u00e9o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u1ed9t d\u1ef1 \u00e1n d\u1ef1a tr\u00ean IEC,&nbsp;<a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66003\" target=\"_blank\" rel=\"noopener\">IEC TR 61439-0<\/a>&nbsp;gi\u1ea3i th\u00edch c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u1ee9ng d\u1ee5ng m\u00e0 c\u00e1c nh\u00e0 x\u00e1c \u0111\u1ecbnh v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n ph\u1ea3i \u0111\u1ed3ng \u00fd. s\u1eed d\u1ee5ng khung \u0111\u00f3 \u0111\u1ec3 bi\u1ebfn m\u1ed9t s\u1edf th\u00edch s\u1ea3n ph\u1ea9m th\u00e0nh m\u1ed9t y\u00eau c\u1ea7u l\u1eafp r\u00e1p x\u00e1c \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 bi\u1ebft th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 vai tr\u00f2 c\u1ee7a h\u1ec7 th\u1ed1ng, h\u00e3y xem h\u01b0\u1edbng d\u1eabn c\u1ee7a Lanshan&nbsp;<a href=\"https:\/\/lanshanelectric.com\/vi\/thiet-bi-dong-cat-dien-ap-thap-duoc-su-dung-trong-cac-du-an-cong-nghiep-la-gi\/\">thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft \u0111i\u1ec7n \u00e1p th\u1ea5p trong c\u00e1c d\u1ef1 \u00e1n c\u00f4ng nghi\u1ec7p<\/a>.<\/p>\n\n\n\n<h2 id=\"the-essential-ggd-switchgear-rfq-document-pack\" class=\"wp-block-heading\">G\u00f3i t\u00e0i li\u1ec7u RFQ thi\u1ebft y\u1ebfu c\u1ee7a thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch GGD<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed5 ch\u1ee9c cu\u1ed9c \u0111i\u1ec1u tra xung quanh n\u0103m t\u00e0i li\u1ec7u.Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 s\u01a1 b\u1ed9 trong cu\u1ed9c th\u1ea3o lu\u1eadn \u0111\u1ea7u ti\u00ean, cung c\u1ea5p c\u00e1c gi\u1ea3 \u0111\u1ecbnh v\u00e0 th\u00f4ng tin c\u00f2n thi\u1ebfu \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">T\u00e0i li\u1ec7u<\/th><th class=\"has-text-align-left\" data-align=\"left\">Nh\u1eefng g\u00ec \u0111\u1ec3 bao g\u1ed3m<\/th><th class=\"has-text-align-left\" data-align=\"left\">Nh\u1eefng g\u00ec nh\u00e0 cung c\u1ea5p n\u00ean tr\u1ea3 l\u1ea1i<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">S\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ngu\u1ed3n, ngu\u1ed3n \u0111\u1ebfn, \u0111o\u1ea1n xe bu\u00fdt v\u00e0 m\u1ea1ch \u0111i<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u0110\u1ec1 xu\u1ea5t s\u1eafp x\u1ebfp m\u1ea1ch v\u00e0 \u0111\u1ed9 l\u1ec7ch<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">L\u1ecbch tr\u00ecnh t\u1ea3i v\u00e0 trung chuy\u1ec3n<\/td><td class=\"has-text-align-left\" data-align=\"left\">Thi\u1ebft k\u1ebf d\u00f2ng \u0111i\u1ec7n, nhi\u1ec7m v\u1ee5 v\u1eadn h\u00e0nh v\u00e0 ch\u1ee9c n\u0103ng m\u1ea1ch<\/td><td class=\"has-text-align-left\" data-align=\"left\">L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb v\u00e0 \u0111i\u1ec1u ki\u1ec7n t\u1ea3i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u0110\u1eb7c \u0111i\u1ec3m cung c\u1ea5p, d\u1eef li\u1ec7u l\u1ed7i, m\u00f4i tr\u01b0\u1eddng v\u00e0 ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng<\/td><td class=\"has-text-align-left\" data-align=\"left\">L\u1ecbch d\u1eef li\u1ec7u x\u1ebfp h\u1ea1ng d\u00e0nh ri\u00eang cho c\u1ea5u h\u00ecnh<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">B\u1ea3n v\u1ebd c\u00e0i \u0111\u1eb7t<\/td><td class=\"has-text-align-left\" data-align=\"left\">Gi\u1edbi h\u1ea1n ph\u00f2ng, tuy\u1ebfn c\u00e1p, l\u1ed1i v\u00e0o v\u00e0 l\u1ed1i v\u00e0o<\/td><td class=\"has-text-align-left\" data-align=\"left\">B\u1ed1 tr\u00ed chung v\u00e0 chi ti\u1ebft k\u1ebft n\u1ed1i<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">L\u1ecbch tr\u00ecnh ch\u1ea5p nh\u1eadn<\/td><td class=\"has-text-align-left\" data-align=\"left\">C\u00e1c giai \u0111o\u1ea1n b\u1eb1ng ch\u1ee9ng, ki\u1ec3m tra v\u00e0 ph\u00ea duy\u1ec7t c\u1ea7n thi\u1ebft<\/td><td class=\"has-text-align-left\" data-align=\"left\">T\u00e0i li\u1ec7u x\u00e1c minh v\u00e0 k\u1ebf ho\u1ea1ch ki\u1ec3m tra \u0111\u1ec1 xu\u1ea5t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Cung c\u1ea5p cho m\u1ed7i t\u00e0i li\u1ec7u thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD m\u1ed9t b\u1ea3n s\u1eeda \u0111\u1ed5i v\u00e0 tr\u1ea1ng th\u00e1i.M\u1ed9t l\u1ecbch tr\u00ecnh t\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u \u201cs\u01a1 b\u1ed9\u201d kh\u00f4ng n\u00ean \u00e2m th\u1ea7m tr\u1edf th\u00e0nh c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t v\u00ec n\u00f3 l\u00e0 t\u1ec7p \u0111\u00ednh k\u00e8m duy nh\u1ea5t c\u00f3 s\u1eb5n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng c\u00e1c m\u00e3 \u0111\u1ecbnh danh t\u1ee7 v\u00e0 b\u1ed9 n\u1ea1p nh\u1ea5t qu\u00e1n tr\u00ean to\u00e0n b\u1ed9 g\u00f3i.N\u1ebfu b\u1ed9 n\u1ea1p F03 l\u00e0 ngu\u1ed3n cung c\u1ea5p m\u00e1y b\u01a1m trong l\u1ecbch tr\u00ecnh t\u1ea3i, s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng, danh s\u00e1ch th\u00e0nh ph\u1ea7n v\u00e0 b\u1ea3n v\u1ebd thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i \u0111\u1ec1u ph\u1ea3i tham chi\u1ebfu \u0111\u1ebfn c\u00f9ng m\u1ed9t m\u1ea1ch \u0111\u00f3. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p l\u00e0m r\u00f5 sau m\u1ed9t tham chi\u1ebfu ch\u00ednh x\u00e1c thay v\u00ec d\u1ef1a v\u00e0o c\u00e1c m\u00f4 t\u1ea3 nh\u01b0 \u201cb\u1ed9 ng\u1eaft th\u1ee9 ba.\u201d<\/p>\n\n\n\n<h2 id=\"show-supply-modes-on-the-single-line-diagram\" class=\"wp-block-heading\">Hi\u1ec3n th\u1ecb c\u00e1c ch\u1ebf \u0111\u1ed9 cung c\u1ea5p tr\u00ean s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD, x\u00e1c \u0111\u1ecbnh xem c\u1ee5m l\u1eafp r\u00e1p c\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t ngu\u1ed3n cung c\u1ea5p m\u00e1y bi\u1ebfn \u00e1p, ngu\u1ed3n cung c\u1ea5p m\u00e1y ph\u00e1t \u0111i\u1ec7n thay th\u1ebf hay nhi\u1ec1u ngu\u1ed3n \u0111\u01b0\u1ee3c ph\u00e9p hay kh\u00f4ng. \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u00e1c \u0111\u1ed3ng ph\u00e2n \u0111\u1ebfn v\u00e0 b\u1ea5t k\u1ef3 b\u1ed9 gh\u00e9p n\u1ed1i bus n\u00e0o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3n th\u1ecb k\u1ebft h\u1ee3p ngu\u1ed3n n\u00e0o b\u1ecb c\u1ea5m. N\u1ebfu c\u1ea7n chuy\u1ec3n, h\u00e3y x\u00e1c \u0111\u1ecbnh xem \u0111\u00f3 l\u00e0 th\u1ee7 c\u00f4ng hay t\u1ef1 \u0111\u1ed9ng, s\u1ef1 gi\u00e1n \u0111o\u1ea1n \u0111\u01b0\u1ee3c ph\u00e9p v\u00e0 c\u00e1c \u0111i\u1ec1u khi\u1ec3n c\u00f3 trong \u0111\u01a1n h\u00e0ng. Kh\u00f4ng \u0111\u1ec3 hai thi\u1ebft b\u1ecb \u0111\u1ebfn ng\u1ee5 \u00fd m\u1ed9t s\u01a1 \u0111\u1ed3 chuy\u1ec3n m\u00e0 kh\u00f4ng ai ch\u1ec9 \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bao g\u1ed3m th\u00f4ng tin thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ng\u01b0\u1ee3c d\u00f2ng v\u00e0 \u0111i\u1ec3m \u00e1p d\u1ee5ng d\u1eef li\u1ec7u l\u1ed7i c\u00f3 s\u1eb5n. Y\u00eau c\u1ea7u k\u1ef9 s\u01b0 d\u1ef1 \u00e1n x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ea5u h\u00ecnh ngu\u1ed3n c\u00f3 li\u00ean quan cho nghi\u00ean c\u1ee9u ng\u1eafn m\u1ea1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1eef b\u1ea3n v\u1ebd n\u00e0y t\u1eadp trung v\u00e0o m\u1ee5c \u0111\u00edch ho\u1ea1t \u0111\u1ed9ng.M\u1ed9t nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t thi\u1ebft b\u1ecb ch\u1ed1ng l\u1ea1i m\u1ed9t th\u1ecfa thu\u1eadn \u0111i\u1ec1u h\u00e0nh \u0111\u00e3 th\u1ecfa thu\u1eadn; n\u00f3 kh\u00f4ng n\u00ean ph\u1ea3i ph\u00e1t minh ra tri\u1ebft l\u00fd cung c\u1ea5p trang web t\u1eeb m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n<h2 id=\"give-every-feeder-a-load-not-just-a-breaker-size\" class=\"wp-block-heading\">Cung c\u1ea5p cho m\u1ed7i Feeder m\u1ed9t t\u1ea3i, kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t k\u00edch th\u01b0\u1edbc Breaker<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ecbch tr\u00ecnh trung chuy\u1ec3n ph\u1ea3i bao g\u1ed3m d\u00f2ng \u0111i\u1ec7n thi\u1ebft k\u1ebf v\u00e0 t\u1ea3i li\u00ean t\u1ee5c, kh\u00f4ng li\u00ean t\u1ee5c hay d\u00f9ng chung v\u1edbi c\u00e1c m\u1ea1ch kh\u00e1c.&nbsp;<a href=\"https:\/\/www.beama.org.uk\/static\/20abbe04-acd2-485d-8f168cbc535397f2\/0895ff36-921b-4f0c-af82dc22c97a6971\/BEAMA-Guidance-on-specifying-an-assembly.pdf\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt l\u1eafp r\u00e1p c\u1ee7a BEAMA<\/a>&nbsp;l\u00e0m n\u1ed5i b\u1eadt c\u00e1c \u0111\u1ea7u v\u00e0o n\u00e0y v\u00ec v\u1ecb tr\u00ed m\u1ea1ch v\u00e0 t\u1ea3i l\u00e2n c\u1eadn \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ee5m \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD ph\u1ee5c v\u1ee5 thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t, m\u00f4 t\u1ea3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, kh\u1edfi \u0111\u1ed9ng v\u00e0 b\u1ea5t k\u1ef3 m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t ri\u00eang bi\u1ec7t. d\u00e1n nh\u00e3n c\u00e1c c\u00e1ch d\u1ef1 ph\u00f2ng nh\u01b0 c\u00e1c thi\u1ebft b\u1ecb d\u1ef1 ph\u00f2ng \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t, kh\u00f4ng gian kh\u00f4ng \u0111\u01b0\u1ee3c trang b\u1ecb ho\u1eb7c c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai; \u0111\u00f3 l\u00e0 nh\u1eefng s\u1ea3n ph\u1ea9m kh\u00e1c nhau.<\/p>\n\n\n\n<h3 id=\"keep-electrical-input-separate-from-motor-output\" class=\"wp-block-heading\">Gi\u1eef \u0111\u1ea7u v\u00e0o \u0111i\u1ec7n t\u00e1ch bi\u1ec7t v\u1edbi \u0111\u1ea7u ra \u0111\u1ed9ng c\u01a1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">X\u1ebfp h\u1ea1ng \u0111\u1ea7u ra tr\u1ee5c c\u1ee7a \u0111\u1ed9ng c\u01a1 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ea7u v\u00e0o \u0111i\u1ec7n c\u1ee7a n\u00f3.\u0110\u1ed1i v\u1edbi t\u1ea3i ba pha c\u00e2n b\u1eb1ng v\u1edbi \u0111\u1ea7u v\u00e0o \u0111i\u1ec7n \u0111\u00e3 bi\u1ebft, c\u00e1c&nbsp;<a href=\"https:\/\/www.energy.gov\/sites\/prod\/files\/2014\/04\/f15\/10097517.pdf\" target=\"_blank\" rel=\"noopener\">M\u1ed1i quan h\u1ec7 quy\u1ec1n l\u1ef1c ba giai \u0111o\u1ea1n c\u1ee7a B\u1ed9 N\u0103ng l\u01b0\u1ee3ng<\/a>&nbsp;c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp l\u1ea1i nh\u01b0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D\u00f2ng \u0111i\u1ec7n (A) = \u0111\u1ea7u v\u00e0o \u0111i\u1ec7n (kW) \u00d7 1.000 \u00f7 (\u221a3 \u00d7 \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1eddng d\u00e2y \u00d7 h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 minh h\u1ecda, \u0111\u1ea7u v\u00e0o \u0111i\u1ec7n 30 kW \u1edf 415 V v\u00e0 h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t 0,88 cho kho\u1ea3ng 47,4 A. \u0110\u00e2y l\u00e0 t\u00ednh to\u00e1n d\u00f2ng \u0111i\u1ec7n ch\u1ea1y, kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9 ng\u1eaft t\u1ef1 \u0111\u1ed9ng ho\u1eb7c l\u1ef1a ch\u1ecdn c\u00e1p. nhi\u1ec7m v\u1ee5 kh\u1edfi \u0111\u1ed9ng, b\u1ea3o v\u1ec7 v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t v\u1eabn c\u1ea7n xem x\u00e9t k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h2 id=\"separate-assembly-ratings-from-breaker-ratings\" class=\"wp-block-heading\">X\u1ebfp h\u1ea1ng l\u1eafp r\u00e1p ri\u00eang bi\u1ec7t v\u1edbi x\u1ebfp h\u1ea1ng Breaker<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c g\u1eedi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD s\u1ebd ph\u00e2n bi\u1ec7t c\u1ee5m l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh v\u1edbi c\u00e1c thi\u1ebft b\u1ecb b\u00ean trong n\u00f3.&nbsp;<a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66277\" target=\"_blank\" rel=\"noopener\">IEC 60947-2<\/a>&nbsp;bao g\u1ed3m c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch, trong khi IEC 61439 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh l\u1eafp r\u00e1p v\u00e0 x\u00e1c minh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng c\u00e1c ph\u00e2n bi\u1ec7t sau \u0111\u00e2y khi xem x\u00e9t m\u1ed9t l\u1ecbch tr\u00ecnh d\u1eef li\u1ec7u x\u1ebfp h\u1ea1ng. ph\u00e1 v\u1ee1 kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 v\u00e0 l\u1eafp r\u00e1p ch\u1ecbu x\u1ebfp h\u1ea1ng m\u00f4 t\u1ea3 nhi\u1ec7m v\u1ee5 kh\u00e1c nhau v\u00e0 kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u0110\u00e1nh gi\u00e1 ho\u1eb7c y\u00eau c\u1ea7u<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u0110\u1ec1 xu\u1ea5t c\u1ea7n n\u00eau r\u00f5 nh\u1eefng g\u00ec<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">X\u1ebfp h\u1ea1ng d\u00f2ng \u0111i\u1ec7n l\u1eafp r\u00e1p v\u00e0 m\u1ea1ch<\/td><td class=\"has-text-align-left\" data-align=\"left\">Kh\u1ea3 n\u0103ng hi\u1ec7n t\u1ea1i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ea3i tr\u1ecdng v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u00e3 th\u1ecfa thu\u1eadn<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Th\u1eddi gian ng\u1eafn ch\u1ecbu \u0111\u01b0\u1ee3c hi\u1ec7n t\u1ea1i, Icw<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ch\u1ecbu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n c\u00f9ng v\u1edbi th\u1eddi l\u01b0\u1ee3ng quy \u0111\u1ecbnh c\u1ee7a n\u00f3<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0110\u1ec9nh ch\u1ecbu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n, Ipk<\/td><td class=\"has-text-align-left\" data-align=\"left\">Kh\u1ea3 n\u0103ng d\u00f2ng \u0111i\u1ec7n c\u1ef1c \u0111\u1ea1i c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">D\u00f2ng ng\u1eafn m\u1ea1ch c\u00f3 \u0111i\u1ec1u ki\u1ec7n, Icc<\/td><td class=\"has-text-align-left\" data-align=\"left\">X\u1ebfp h\u1ea1ng v\u00e0 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh m\u00e0 n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Breaker Icu v\u00e0 Ics<\/td><td class=\"has-text-align-left\" data-align=\"left\">Kh\u1ea3 n\u0103ng ng\u1eaft ng\u1eafn m\u1ea1ch cu\u1ed1i c\u00f9ng v\u00e0 d\u1ecbch v\u1ee5 \u1edf \u0111i\u1ec7n \u00e1p li\u00ean quan<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD, \u201c50 kA\u201d m\u1ed9t m\u00ecnh l\u00e0 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7. h\u1ecfi \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o n\u00f3 m\u00f4 t\u1ea3. kh\u00f4ng suy ra m\u1ed9t th\u1eddi l\u01b0\u1ee3ng m\u1ed9t gi\u00e2y ho\u1eb7c ba gi\u00e2y khi kh\u00f4ng c\u00f3 \u0111\u01b0\u1ee3c khai b\u00e1o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1eddng h\u1ee3p m\u1ed9t \u0111\u00e1nh gi\u00e1 c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p, ghi l\u1ea1i ch\u00ednh x\u00e1c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u1ed7 tr\u1ee3 n\u00f3. x\u1eed l\u00fd m\u1ed9t s\u1ef1 thay th\u1ebf sau n\u00e0y nh\u01b0 m\u1ed9t m\u1ee5c xem x\u00e9t. \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt mua h\u00e0ng n\u00ean b\u1ea3o t\u1ed3n s\u1ef1 s\u1eafp x\u1ebfp \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh, kh\u00f4ng ch\u1ec9 gi\u1eef l\u1ea1i c\u00f9ng m\u1ed9t s\u1ed1 l\u1ed7i d\u00f2ng ti\u00eau \u0111.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, k\u00edch th\u01b0\u1edbc khung c\u1ee7a b\u1ed9 ng\u1eaft \u0111\u1ebfn kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn l\u00e0 kh\u1ea3 n\u0103ng d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o c\u1ee7a b\u1ed9 ph\u1eadn l\u1eafp r\u00e1p.<\/p>\n\n\n\n<h2 id=\"define-what-each-outgoing-circuit-actually-includes\" class=\"wp-block-heading\">X\u00e1c \u0111\u1ecbnh nh\u1eefng g\u00ec m\u1ed7i m\u1ea1ch \u0111i th\u1ef1c s\u1ef1 bao g\u1ed3m<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Low-voltage-switchgear.jpg\" alt=\"Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD\" class=\"wp-image-829\" srcset=\"https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Low-voltage-switchgear.jpg 800w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Low-voltage-switchgear-300x200.jpg 300w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Low-voltage-switchgear-768x512.jpg 768w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Low-voltage-switchgear-600x400.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u1ea1ch c\u00f3 nh\u00e3n \u201cb\u01a1m\u201dc\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t b\u1ed9 kh\u1edfi \u0111\u1ed9ng ri\u00eang bi\u1ec7t, ch\u1ee9a m\u1ed9t b\u1ed9 kh\u1edfi \u0111\u1ed9ng trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c c\u1ea5p m\u1ed9t \u1ed5 \u0111\u0129a \u0111\u01b0\u1ee3c cung c\u1ea5p \u1edf n\u01a1i kh\u00e1c.Gi\u1ea3i quy\u1ebft ranh gi\u1edbi \u0111\u00f3 tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t l\u1ecbch tr\u00ecnh th\u00e0nh ph\u1ea7n thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u1ed7i m\u1ea1ch \u0111\u1ed9ng c\u01a1, nh\u00e0 n\u01b0\u1edbc ng\u01b0\u1eddi cung c\u1ea5p c\u00e1c thi\u1ebft b\u1ecb b\u1eaft \u0111\u1ea7u, qu\u00e1 t\u1ea3i b\u1ea3o v\u1ec7, ki\u1ec3m so\u00e1t cung c\u1ea5p v\u00e0 qu\u00e1 tr\u00ecnh-giao di\u1ec7n h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n. x\u00e1c \u0111\u1ecbnh xem th\u1ee9 t\u1ef1 ch\u1ec9 bao g\u1ed3m b\u1ea3o v\u1ec7 ph\u00e2n ph\u1ed1i ho\u1eb7c \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ed3ng \u00fd \u0111\u1ed9ng c\u01a1-ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n<h3 id=\"agree-protection-coordination-responsibilities\" class=\"wp-block-heading\">\u0110\u1ed3ng \u00fd Tr\u00e1ch nhi\u1ec7m \u0110i\u1ec1u ph\u1ed1i B\u1ea3o v\u1ec7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ecfi ai th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u b\u1ea3o v\u1ec7, ph\u00ea duy\u1ec7t c\u00e0i \u0111\u1eb7t v\u00e0 ki\u1ec3m tra s\u1ef1 ph\u1ed1i h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb li\u1ec1n k\u1ec1.&nbsp;<a href=\"https:\/\/webstore.iec.ch\/en\/publication\/6094\" target=\"_blank\" rel=\"noopener\">IEC TR 61912-2<\/a>&nbsp;cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 t\u00ednh ch\u1ecdn l\u1ecdc gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng \u0111i\u1ec7n \u00e1p th\u1ea5p; ch\u1ec9 ri\u00eang k\u00edch th\u01b0\u1edbc c\u1ea7u dao kh\u00e1c nhau kh\u00f4ng th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD c\u00f3 b\u1ea3o v\u1ec7 \u0111i\u1ec1u ch\u1ec9nh, bao g\u1ed3m c\u00e1c thi\u1ebft l\u1eadp \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t trong c\u00e1c t\u00e0i li\u1ec7u b\u00e0n giao. thay th\u1ebf thi\u1ebft b\u1ecb n\u00ean nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t \u0111\u00e1nh gi\u00e1 k\u1ef9 thu\u1eadt ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c coi l\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u00ec hi\u1ec7n t\u1ea1i danh ngh\u0129a c\u1ee7a h\u1ecd ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<h2 id=\"state-the-neutral-and-protective-earth-arrangement\" class=\"wp-block-heading\">N\u00eau r\u00f5 s\u1ef1 s\u1eafp x\u1ebfp trung l\u1eadp v\u00e0 b\u1ea3o v\u1ec7 tr\u00e1i \u0111\u1ea5t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">G\u1eedi trang web s\u1eafp x\u1ebfp n\u1ed1i \u0111\u1ea5t v\u1edbi y\u00eau c\u1ea7u thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch GGD. Y\u00eau c\u1ea7u k\u1ef9 s\u01b0 x\u00e1c \u0111\u1ecbnh c\u00e1c k\u1ebft n\u1ed1i trung t\u00ednh v\u00e0 b\u1ea3o v\u1ec7-\u0111\u1ea5t, y\u00eau c\u1ea7u d\u00e2y d\u1eabn v\u00e0 b\u1ea5t k\u1ef3 chuy\u1ec3n m\u1ea1ch trung t\u00ednh c\u1ea7n thi\u1ebft n\u00e0o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t c\u1ee5m t\u1eeb nh\u01b0 \u201cba pha, b\u1ed1n d\u00e2y\u201d kh\u00f4ng n\u00ean thay th\u1ebf m\u1ed9t b\u1ea3n v\u1ebd k\u1ebft n\u1ed1i. \u0111\u00e1nh d\u1ea5u n\u01a1i d\u00e2y d\u1eabn b\u00ean ngo\u00e0i ch\u1ea5m d\u1ee9t v\u00e0 x\u00e1c \u0111\u1ecbnh tr\u00e1ch nhi\u1ec7m \u1edf c\u1ea3 hai b\u00ean c\u1ee7a giao di\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1eddng h\u1ee3p t\u1ea3i \u0111i\u1ec7n t\u1eed ho\u1eb7c m\u1ea5t c\u00e2n b\u1eb1ng pha \u0111\u00e1ng k\u1ec3 \u0111\u01b0\u1ee3c d\u1ef1 ki\u1ebfn, cung c\u1ea5p th\u00f4ng tin t\u1ea3i c\u00f3 li\u00ean quan v\u00e0 y\u00eau c\u1ea7u \u0111\u00e1nh gi\u00e1 trung t\u00ednh c\u1ee5 th\u1ec3. kh\u00f4ng cho r\u1eb1ng m\u1ed9t s\u1ef1 s\u1eafp x\u1ebfp trung t\u00ednh ti\u00eau chu\u1ea9n l\u00e0 ph\u00f9 h\u1ee3p cho m\u1ecdi h\u1ed7n h\u1ee3p m\u1ea1ch.<\/p>\n\n\n\n<h2 id=\"approve-cable-space-before-fixing-cabinet-dimensions\" class=\"wp-block-heading\">Ph\u00ea duy\u1ec7t kh\u00f4ng gian c\u00e1p tr\u01b0\u1edbc khi s\u1eeda k\u00edch th\u01b0\u1edbc t\u1ee7<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u1ecdi k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD, h\u00e3y cung c\u1ea5p v\u1eadt li\u1ec7u c\u00e1p, m\u1eb7t c\u1eaft d\u00e2y d\u1eabn, s\u1ed1 l\u01b0\u1ee3ng m\u1ed7i pha v\u00e0 h\u01b0\u1edbng v\u00e0o. H\u01b0\u1edbng d\u1eabn c\u1ee7a BEAMA c\u0169ng khuy\u1ebfn ngh\u1ecb ch\u1ec9 \u0111\u1ecbnh c\u00e1c k\u1ebft n\u1ed1i b\u00ean ngo\u00e0i th\u1ef1c t\u1ebf, bao g\u1ed3m c\u1ea3 \u0111\u01b0\u1eddng tr\u1ee5c thanh c\u00e1i n\u01a1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, thay v\u00ec d\u1ef1a v\u00e0o c\u00e1c gi\u1ea3 \u0111\u1ecbnh ch\u1ea5m d\u1ee9t m\u1eb7c \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sau \u0111\u00f3 y\u00eau c\u1ea7u m\u1ed9t b\u1ea3n v\u1ebd giao di\u1ec7n c\u00f3 k\u00edch th\u01b0\u1edbc hi\u1ec3n th\u1ecb t\u1ea5m tuy\u1ebfn, v\u1ecb tr\u00ed thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i, kh\u00f4ng gian l\u00e0m vi\u1ec7c v\u00e0 kho\u1ea3ng tr\u1ed1ng k\u1ebft n\u1ed1i. bao g\u1ed3m h\u1ed7 tr\u1ee3 c\u00e1p v\u00e0 truy c\u1eadp v\u00e0o c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5, m\u1ed9t \u0111\u1ec1 xu\u1ea5t c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ee7 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i cho s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 n\u1ea1p nh\u01b0ng kh\u00f4ng \u0111\u1ee7 ch\u1ed7 cho c\u00e1c c\u00e1p song song \u0111\u00e3 ch\u1ecdn. \u0111\u00f3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 giao di\u1ec7n m\u1ed9t b\u1ea3n v\u1ebd m\u1eb7t tr\u01b0\u1edbc b\u1ea3ng s\u1ebd kh\u00f4ng ti\u1ebft l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1nh d\u1ea5u t\u01b0\u1eddng, c\u1ea1nh r\u00e3nh, c\u1ed9t v\u00e0 c\u1eeda xoay tr\u00ean k\u1ebf ho\u1ea1ch l\u1eafp \u0111\u1eb7t. y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p x\u00e1c nh\u1eadn s\u1ef1 s\u1eafp x\u1ebfp truy c\u1eadp \u0111\u01b0\u1ee3c cung c\u1ea5p tr\u01b0\u1edbc khi chi\u1ec1u r\u1ed9ng ho\u1eb7c chi\u1ec1u s\u00e2u c\u1ee7a t\u1ee7 tr\u1edf th\u00e0nh m\u1ed9t r\u00e0ng bu\u1ed9c d\u00e2n s\u1ef1 c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n c\u00f4ng tr\u00e1ch nhi\u1ec7m cho c\u00e1c lugs c\u00e1p, t\u1ea5m tuy\u1ebfn, khoan trang web v\u00e0 k\u1ebft n\u1ed1i xe bu\u00fdt. m\u1ed9t ph\u1ee5 ki\u1ec7n lo\u1ea1i tr\u1eeb kh\u1ecfi cung c\u1ea5p t\u1ee7 v\u1eabn c\u1ea7n m\u1ed9t nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh v\u00e0 m\u1ed9t giao di\u1ec7n \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t; n\u00f3 kh\u00f4ng n\u00ean tr\u1edf th\u00e0nh m\u1ed9t quy\u1ebft \u0111\u1ecbnh c\u00e0i \u0111\u1eb7t ng\u1eabu h\u1ee9ng.<\/p>\n\n\n\n<h2 id=\"specify-environment-and-temperature-rise-conditions-together\" class=\"wp-block-heading\">C\u00f9ng nhau ch\u1ec9 \u0111\u1ecbnh c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u0103ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lanshan li\u1ec7t k\u00ea thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD \u0111\u1ec3 l\u1eafp \u0111\u1eb7t trong nh\u00e0. kh\u00f4ng bi\u1ebfn c\u1ea5u h\u00ecnh trong nh\u00e0 th\u00e0nh s\u1ea3n ph\u1ea9m ngo\u00e0i tr\u1eddi ch\u1ec9 b\u1eb1ng c\u00e1ch ch\u1ecdn m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 t\u1eeb b\u1ea3ng lo\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00eau r\u00f5 nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, \u0111\u1ed9 cao, \u0111\u1ed9 \u1ea9m, \u00f4 nhi\u1ec5m v\u00e0 b\u1ea5t k\u1ef3 s\u1ef1 ti\u1ebfp x\u00fac b\u1ea5t th\u01b0\u1eddng n\u00e0o.&nbsp;<a href=\"https:\/\/webstore.iec.ch\/en\/publication\/2452\" target=\"_blank\" rel=\"noopener\">IEC 60529<\/a>&nbsp;ph\u00e2n lo\u1ea1i b\u1ea3o v\u1ec7 x\u00e2m nh\u1eadp bao v\u00e2y; ch\u1ec9 \u0111\u1ecbnh IP kh\u00f4ng ph\u1ea3i l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u00f4i tr\u01b0\u1eddng ho\u00e0n ch\u1ec9nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c&nbsp;<a href=\"https:\/\/webstore.iec.ch\/en\/publication\/32338\" target=\"_blank\" rel=\"noopener\">Khung IEC 61439-1<\/a>&nbsp;bao g\u1ed3m nh\u00f3m \u0111\u00e1nh gi\u00e1 hi\u1ec7n t\u1ea1i v\u00e0 nhi\u1ec7t \u0111\u1ed9-t\u0103ng x\u00e1c minh. y\u00eau c\u1ea7u nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 x\u00e1c nh\u1eadn t\u1ea3i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi s\u1eafp x\u1ebfp th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c cung c\u1ea5p, bao v\u00e2y v\u00e0 c\u00e1c \u0111i\u1ec1u kho\u1ea3n l\u00e0m m\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD, h\u00e3y xem x\u00e9t c\u00e1c thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi l\u1ed7 th\u00f4ng gi\u00f3, b\u1ed9 l\u1ecdc ho\u1eb7c qu\u1ea1t c\u00f9ng v\u1edbi \u0111\u00e1nh gi\u00e1 nhi\u1ec7t. Tr\u00e1nh ph\u00ea duy\u1ec7t s\u1eeda \u0111\u1ed5i v\u1ecf b\u1ecdc trong khi kh\u00f4ng nghi ng\u1edd g\u00ec v\u1ec1 c\u00e1c gi\u1ea3 \u0111\u1ecbnh t\u1ea3i tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n<h2 id=\"check-maintenance-access-for-the-fixed-arrangement\" class=\"wp-block-heading\">Ki\u1ec3m tra quy\u1ec1n truy c\u1eadp b\u1ea3o tr\u00ec \u0111\u1ec3 bi\u1ebft s\u1eafp x\u1ebfp c\u1ed1 \u0111\u1ecbnh<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p \u0111\u00e1nh d\u1ea5u ranh gi\u1edbi c\u00e1ch ly \u0111\u1ec3 thay th\u1ebf m\u1ed9t thi\u1ebft b\u1ecb \u0111i v\u00e0 truy c\u1eadp v\u00e0o c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i c\u00e1p c\u1ee7a n\u00f3. x\u00e1c \u0111\u1ecbnh ri\u00eang ranh gi\u1edbi cho c\u00f4ng vi\u1ec7c tr\u00ean xe bu\u00fdt ch\u00ednh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD, h\u00ecnh th\u1ee9c t\u00e1ch b\u00ean trong c\u1ea7n thi\u1ebft ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ed1ng nh\u1ea5t v\u00e0 th\u1ec3 hi\u1ec7n tr\u00ean b\u1ea3n v\u1ebd.&nbsp;<a href=\"https:\/\/webstore.iec.ch\/en\/publication\/30043\" target=\"_blank\" rel=\"noopener\">IEC 61439-2<\/a>&nbsp;gi\u1ea3i quy\u1ebft c\u00e1c c\u1ee5m thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft ngu\u1ed3n v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n, bao g\u1ed3m c\u00e1c y\u00eau c\u1ea7u ph\u00e2n t\u00e1ch b\u00ean trong.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4 t\u1ea3 nhi\u1ec7m v\u1ee5 m\u00e0 nh\u00e0 m\u00e1y c\u1ea7n th\u1ef1c hi\u1ec7n thay v\u00ec ch\u1ec9 y\u00eau c\u1ea7u \u201cb\u1ea3o tr\u00ec d\u1ec5 d\u00e0ng.\u201d B\u1ea3o tr\u00ec ph\u1ea3i tu\u00e2n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 quy tr\u00ecnh c\u00e1ch ly \u0111\u1ecba \u0111i\u1ec3m \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, v\u1edbi nh\u00e2n vi\u00ean c\u00f3 tr\u00ecnh \u0111\u1ed9 ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<h2 id=\"replace-remote-monitoring-with-a-signal-schedule\" class=\"wp-block-heading\">Thay th\u1ebf \u201cGi\u00e1m s\u00e1t t\u1eeb xa\u201d b\u1eb1ng L\u1ecbch tr\u00ecnh t\u00edn hi\u1ec7u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD, li\u1ec7t k\u00ea c\u00e1c ph\u00e9p \u0111o v\u00e0 ch\u1ec9 b\u00e1o c\u1ea7n thi\u1ebft: d\u00f2ng \u0111i\u1ec7n \u0111\u1ebfn, m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, v\u1ecb tr\u00ed c\u1ea7u dao ho\u1eb7c tr\u1ea1ng th\u00e1i ng\u1eaft, n\u1ebfu c\u00f3. gi\u00e1m s\u00e1t ri\u00eang bi\u1ec7t v\u1edbi quy\u1ec1n \u0111\u01b0a ra l\u1ec7nh chuy\u1ec3n m\u1ea1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">X\u00e1c \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n, giao di\u1ec7n truy\u1ec1n th\u00f4ng, h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i v\u00e0 b\u00ean t\u00edch h\u1ee3p c\u00f3 tr\u00e1ch nhi\u1ec7m. h\u1ecfi nh\u1eefng g\u00ec x\u1ea3y ra v\u1edbi m\u1ed7i ch\u1ee9c n\u0103ng c\u1ea7n thi\u1ebft khi ngu\u1ed3n \u0111i\u1ec7n ph\u1ee5 tr\u1ee3 ho\u1eb7c th\u00f4ng tin li\u00ean l\u1ea1c kh\u00f4ng c\u00f3 s\u1eb5n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng \u00fd ki\u1ec3m tra ch\u1ea5p nh\u1eadn cho m\u1ecdi giao di\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p.N\u1ebfu nh\u00e0 cung c\u1ea5p ch\u1ee9ng minh \u0111\u1ea7u ra t\u1ea1i kh\u1ed1i \u0111\u1ea7u cu\u1ed1i, x\u00e1c \u0111\u1ecbnh ai s\u1ebd x\u00e1c minh r\u1eb1ng t\u00edn hi\u1ec7u d\u1ef1 \u0111\u1ecbnh \u0111\u1ebfn h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a trang web.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t l\u1ecbch tr\u00ecnh t\u00edn hi\u1ec7u x\u00e1c \u0111\u1ecbnh l\u00e0m cho c\u00e1c \u0111\u1ec1 xu\u1ea5t c\u00f3 th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c.M\u1ed9t l\u1eddi h\u1ee9a kh\u00f4ng x\u00e1c \u0111\u1ecbnh c\u1ee7a m\u1ed9t \u201cn\u1ed9i c\u00e1c th\u00f4ng minh\u201dkh\u00f4ng n\u00f3i cho m\u1ed9t trong hai b\u00ean nh\u1eefng g\u00ec ph\u1ea3i \u0111\u01b0\u1ee3c giao.<\/p>\n\n\n\n<h2 id=\"request-verification-evidence-before-manufacturing-approval\" class=\"wp-block-heading\">Y\u00eau c\u1ea7u b\u1eb1ng ch\u1ee9ng x\u00e1c minh tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 \u0111\u1ecbnh ti\u00eau chu\u1ea9n l\u1eafp r\u00e1p hi\u1ec7n h\u00e0nh, phi\u00ean b\u1ea3n v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n \u0111\u1ecba ph\u01b0\u01a1ng.\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 theo IEC 61439, Ph\u1ea7n 1 ch\u1ee9a c\u00e1c quy t\u1eafc chung v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi ph\u1ea7n s\u1ea3n ph\u1ea9m li\u00ean quan; m\u1ed9t tham chi\u1ebfu \u0111\u1ebfn Ph\u1ea7n 1 m\u1ed9t m\u00ecnh kh\u00f4ng ph\u1ea3i l\u00e0 c\u01a1 s\u1edf tu\u00e2n th\u1ee7 ho\u00e0n ch\u1ec9nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1eef x\u00e1c minh thi\u1ebft k\u1ebf v\u00e0 x\u00e1c minh th\u01b0\u1eddng xuy\u00ean kh\u00e1c bi\u1ec7t. c\u00e1i tr\u01b0\u1edbc gi\u1ea3i quy\u1ebft s\u1ef1 tu\u00e2n th\u1ee7 c\u1ee7a thi\u1ebft k\u1ebf; c\u00e1i sau ki\u1ec3m tra l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t.&nbsp;<a href=\"https:\/\/www.beama.org.uk\/resourceLibrary\/beama-guide-to-verification---low-voltage-power-switchgear-and-controlgear-assemblies--psc--in-accordance-with-bs-en-iec-61439-2.html\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn x\u00e1c minh c\u1ee7a BEAMA<\/a>&nbsp;gi\u1ea3i th\u00edch nh\u1eefng tr\u00e1ch nhi\u1ec7m ri\u00eang bi\u1ec7t \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u00eau c\u1ea7u m\u1ed9t l\u1ecbch tr\u00ecnh b\u1eb1ng ch\u1ee9ng li\u00ean k\u1ebft c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c cung c\u1ea5p v\u1edbi c\u00e1c t\u00e0i li\u1ec7u li\u00ean quan. trong tr\u01b0\u1eddng h\u1ee3p s\u1ef1 s\u1eafp x\u1ebfp kh\u00e1c v\u1edbi m\u1ed9t thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh, h\u00e3y y\u00eau c\u1ea7u c\u01a1 s\u1edf k\u1ef9 thu\u1eadt h\u1ed7 tr\u1ee3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng \u00fd ph\u1ea1m vi ch\u1ea5p nh\u1eadn nh\u00e0 m\u00e1y ri\u00eang. tr\u00ecnh di\u1ec5n ch\u1ee9c n\u0103ng, nh\u00e3n v\u00e0 ki\u1ec3m tra b\u1ea3n v\u1ebd kh\u00f4ng thay th\u1ebf b\u1eb1ng ch\u1ee9ng v\u1ec1 kh\u1ea3 n\u0103ng nhi\u1ec7t ho\u1eb7c ng\u1eafn m\u1ea1ch.<\/p>\n\n\n\n<h3 id=\"write-the-functional-acceptance-tests-early\" class=\"wp-block-heading\">Vi\u1ebft c\u00e1c b\u00e0i ki\u1ec3m tra ch\u1ea5p nh\u1eadn ch\u1ee9c n\u0103ng s\u1edbm<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD c\u00f3 \u0111i\u1ec1u khi\u1ec3n, h\u00e3y m\u00f4 t\u1ea3 k\u1ebft qu\u1ea3 mong \u0111\u1ee3i c\u1ee7a m\u1ed7i th\u1eed nghi\u1ec7m \u0111\u00e3 th\u1ecfa thu\u1eadn: ch\u1ec9 b\u00e1o v\u1ecb tr\u00ed thay \u0111\u1ed5i ch\u00ednh x\u00e1c, l\u1ec7nh ng\u1eaft b\u00ean ngo\u00e0i v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh ho\u1eb7c l\u1ec7nh \u0111\u00f3ng b\u1ecb c\u1ea5m b\u1ecb ch\u1eb7n. x\u00e1c \u0111\u1ecbnh \u0111\u1ea7u v\u00e0o m\u00f4 ph\u1ecfng v\u00e0 thi\u1ebft b\u1ecb b\u1ecb lo\u1ea1i kh\u1ecfi cu\u1ed9c bi\u1ec3u t\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ghi l\u1ea1i b\u1ea3n s\u1eeda \u0111\u1ed5i b\u1ea3n v\u1ebd v\u00e0 c\u00e0i \u0111\u1eb7t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. g\u00e1n tr\u00e1ch nhi\u1ec7m cho c\u00e1c k\u1ebft n\u1ed1i trang web v\u00e0 ki\u1ec3m tra \u0111\u1ea7u cu\u1ed1i kh\u00f4ng th\u1ec3 ho\u00e0n th\u00e0nh trong nh\u00e0 m\u00e1y. \u0111i\u1ec1u n\u00e0y gi\u1eef cho s\u1ef1 ch\u1ea5p nh\u1eadn c\u1ee7a nh\u00e0 m\u00e1y t\u1eadp trung v\u00e0o l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c cung c\u1ea5p m\u00e0 kh\u00f4ng gi\u1ea3 v\u1edd n\u00f3 ch\u1ee9ng minh to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t.<\/p>\n\n\n\n<h2 id=\"example-two-offers-that-look-identical-until-installation\" class=\"wp-block-heading\">V\u00ed d\u1ee5: Hai \u01b0u \u0111\u00e3i tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau cho \u0111\u1ebfn khi c\u00e0i \u0111\u1eb7t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Xem x\u00e9t m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra gi\u1ea3 \u0111\u1ecbnh cho thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft 400 V GGD v\u1edbi m\u1ed9t \u0111\u00e1nh gi\u00e1 l\u1eafp r\u00e1p 1.000 A \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0 s\u00e1u m\u1ea1ch \u0111i. \u0111\u00e2y l\u00e0 nh\u1eefng y\u00eau c\u1ea7u minh h\u1ecda, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u1ea5u h\u00ecnh Lanshan x\u00e1c nh\u1eadn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1eddi mua ban \u0111\u1ea7u ch\u1ec9 g\u1eedi nh\u1eefng s\u1ed1 li\u1ec7u \u0111\u00f3 v\u00e0 s\u1ed1 l\u01b0\u1ee3ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.M\u1ed9t nh\u00e0 cung c\u1ea5p gi\u1ea3 \u0111\u1ecbnh c\u00e1c m\u1ea1ch b\u01a1m c\u1ea5p ngu\u1ed3n cho c\u00e1c b\u1ed9 kh\u1edfi \u0111\u1ed9ng ri\u00eang bi\u1ec7t.M\u1ed9t nh\u00e0 cung c\u1ea5p kh\u00e1c bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1. C\u1ea3 hai \u0111\u1ec1u gi\u1ea3 \u0111\u1ecbnh m\u1ed9t s\u1ef1 s\u1eafp x\u1ebfp c\u00e1p ch\u01b0a \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c cu\u1ed9c \u0111i\u1ec1u tra s\u1eeda \u0111\u1ed5i x\u00e1c \u0111\u1ecbnh hai m\u1ea1ch b\u01a1m v\u1edbi kh\u1edfi \u0111\u1ed9ng b\u00ean ngo\u00e0i, ba b\u1ed9 c\u1ea5p li\u1ec7u ph\u00e2n ph\u1ed1i v\u00e0 m\u1ed9t ph\u1ee5 t\u00f9ng \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7. n\u00f3 cung c\u1ea5p k\u1ecbch b\u1ea3n t\u1ea3i \u0111\u1ed3ng th\u1eddi, l\u1ecbch tr\u00ecnh c\u00e1p th\u1ef1c t\u1ebf v\u00e0 t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebf ho\u1ea1ch ph\u00f2ng sau \u0111\u00f3 cho th\u1ea5y r\u1eb1ng kh\u00f4ng gian truy c\u1eadp ph\u00eda sau \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t l\u00e0 kh\u00f4ng c\u00f3 s\u1eb5n. b\u1ed1 tr\u00ed c\u1ea7n s\u1eeda \u0111\u1ed5i ho\u1eb7c m\u1ed9t s\u1ef1 s\u1eafp x\u1ebfp truy c\u1eadp x\u00e1c minh kh\u00e1c nhau tr\u01b0\u1edbc khi m\u1ed9t trong hai \u0111\u1ec1 ngh\u1ecb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So s\u00e1nh thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch GGD n\u00e0y hi\u1ec7n h\u1eefu \u00edch v\u00ec n\u00f3 cho th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t trong c\u00e1c s\u1ea3n ph\u1ea9m b\u00e0n giao, kh\u00f4ng ch\u1ec9 t\u00ean v\u00e0 x\u1ebfp h\u1ea1ng ti\u00eau \u0111\u1ec1. th\u00f4ng tin c\u00f2n thi\u1ebfu l\u00e0 \u0111\u1ecbnh ngh\u0129a m\u1ea1ch v\u00e0 c\u00e0i \u0111\u1eb7t, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t t\u00e0i li\u1ec7u qu\u1ea3ng c\u00e1o s\u1ea3n ph\u1ea9m chung chung kh\u00e1c.<\/p>\n\n\n\n<h2 id=\"close-technical-deviations-before-releasing-the-order\" class=\"wp-block-heading\">\u0110\u00f3ng c\u00e1c sai l\u1ec7ch k\u1ef9 thu\u1eadt tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh \u0111\u01a1n h\u00e0ng<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Shipment05.jpg\" alt=\"l\u00f4 h\u00e0ng thi\u1ebft b\u1ecb \u0111i\u1ec7n\" class=\"wp-image-1066\" srcset=\"https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Shipment05.jpg 800w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Shipment05-300x225.jpg 300w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Shipment05-768x576.jpg 768w, https:\/\/lanshanelectric.com\/wp-content\/uploads\/2026\/08\/Shipment05-600x450.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u1ed7i \u0111\u1ec1 ngh\u1ecb thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD, duy tr\u00ec m\u1ed9t thanh ghi l\u00e0m r\u00f5. cung c\u1ea5p cho m\u1ecdi \u0111i\u1ec3m ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft m\u1ed9t ch\u1ee7 s\u1edf h\u1eefu, t\u00e0i li\u1ec7u c\u1ea7n thi\u1ebft v\u00e0 tr\u1ea1ng th\u00e1i ph\u00ea duy\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t, \u0111\u1ed3ng \u00fd s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng, l\u1ecbch tr\u00ecnh d\u1eef li\u1ec7u x\u1ebfp h\u1ea1ng, danh s\u00e1ch th\u00e0nh ph\u1ea7n, s\u1eafp x\u1ebfp chung, b\u1ea3n v\u1ebd k\u1ebft n\u1ed1i v\u00e0 k\u1ebf ho\u1ea1ch ki\u1ec3m tra. \u0111\u00e1nh d\u1ea5u t\u00e0i li\u1ec7u n\u00e0o l\u00e0 th\u00f4ng tin v\u00e0 t\u00e0i li\u1ec7u n\u00e0o c\u1ea7n ph\u00ea duy\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u0169ng x\u00e1c \u0111\u1ecbnh c\u00e1c ph\u1ea7n v\u1eadn chuy\u1ec3n, tr\u00e1ch nhi\u1ec7m l\u1eafp r\u00e1p l\u1ea1i v\u00e0 g\u00f3i t\u00e0i li\u1ec7u cu\u1ed1i c\u00f9ng. m\u1ed9t s\u1ef1 thay \u0111\u1ed5i \u0111\u1ec3 s\u1ed1 l\u01b0\u1ee3ng feeder, k\u00edch th\u01b0\u1edbc c\u00e1p ho\u1eb7c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 n\u00ean c\u1eadp nh\u1eadt c\u00e1c b\u1ea3n v\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng v\u00e0 xem x\u00e9t x\u00e1c minh, kh\u00f4ng c\u00f2n b\u1ecb ch\u00f4n v\u00f9i trong m\u1ed9t email.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1nh gi\u00e1 c\u1ee7a Lanshan&nbsp;<a href=\"https:\/\/lanshanelectric.com\/vi\/danh-muc-san-pham\/switchgear-dien-ap-thap\/\">thi\u1ebft b\u1ecb ph\u00e2n ph\u1ed1i \u0111i\u1ec7n \u00e1p th\u1ea5p<\/a>&nbsp;ch\u1ed1ng l\u1ea1i g\u00f3i ph\u1ed1i h\u1ee3p \u0111\u00f3. y\u00eau c\u1ea7u b\u1ea3o \u0111\u1ea3m c\u1ea5u h\u00ecnh c\u1ee5 th\u1ec3 h\u01a1n l\u00e0 \u0111i\u1ec1u tr\u1ecb s\u1ed1 l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t trong m\u1ed9t b\u1ea3ng s\u1ea3n ph\u1ea9m-gia \u0111\u00ecnh nh\u01b0 l\u00e0 \u0111\u00e1nh gi\u00e1 c\u1ee7a m\u1ed7i t\u1ee7 \u0111.<\/p>\n\n\n\n<h2 id=\"conclusion\" class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ho\u00e0n th\u00e0nh GGD switchgear RFQ k\u1ebft n\u1ed1i s\u1eafp x\u1ebfp cung c\u1ea5p, nhi\u1ec7m v\u1ee5 feeder v\u00e0 giao di\u1ec7n trang web v\u1edbi m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt l\u1eafp r\u00e1p \u0111\u1ed3ng \u00fd. gi\u1eef x\u1ebfp h\u1ea1ng hi\u1ec7n t\u1ea1i kh\u00e1c bi\u1ec7t, l\u00e0m cho c\u00e1c r\u00e0ng bu\u1ed9c c\u00e0i \u0111\u1eb7t c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c y\u00eau c\u1ea7u x\u00e1c minh tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/lanshanelectric.com\/vi\/lien-he-voi-chung-toi\/\">Li\u00ean h\u1ec7 Lanshan Electric<\/a>&nbsp;v\u1edbi s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng, l\u1ecbch tr\u00ecnh trung chuy\u1ec3n v\u00e0 b\u1ea3n v\u1ebd c\u00e0i \u0111\u1eb7t c\u1ee7a b\u1ea1n \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 c\u1ea5u h\u00ecnh GGD ph\u00f9 h\u1ee3p v\u1edbi d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 id=\"faq\" class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<h3 id=\"what-is-ggd-switchgear-used-for\" class=\"wp-block-heading\">Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f2ng GGD c\u1ee7a Lanshan cung c\u1ea5p ph\u00e2n ph\u1ed1i, \u0111i\u1ec1u khi\u1ec3n v\u00e0 b\u1ea3o v\u1ec7 \u0111i\u1ec7n \u00e1p th\u1ea5p trong nh\u00e0 trong m\u1ed9t s\u1ef1 s\u1eafp x\u1ebfp t\u1ee7 c\u1ed1 \u0111\u1ecbnh. c\u00e1c m\u1ea1ch ch\u00ednh x\u00e1c \u0111\u1ebfn, \u0111i v\u00e0 ch\u1ee9c n\u0103ng gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c ch\u1ecdn cho d\u1ef1 \u00e1n.<\/p>\n\n\n\n<h3 id=\"what-should-i-send-for-a-ggd-switchgear-enquiry\" class=\"wp-block-heading\">T\u00f4i n\u00ean g\u1eedi g\u00ec cho y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cung c\u1ea5p s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng, l\u1ecbch tr\u00ecnh trung chuy\u1ec3n, cung c\u1ea5p v\u00e0 d\u1eef li\u1ec7u l\u1ed7i, b\u1ea3n v\u1ebd c\u00e0i \u0111\u1eb7t v\u00e0 y\u00eau c\u1ea7u ch\u1ea5p nh\u1eadn. \u0111\u00e1nh d\u1ea5u th\u00f4ng tin s\u01a1 b\u1ed9 r\u00f5 r\u00e0ng v\u00e0 x\u00e1c \u0111\u1ecbnh nh\u1eefng g\u00ec ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h3 id=\"is-a-ggd-cabinet-the-same-as-withdrawable-switchgear\" class=\"wp-block-heading\">T\u1ee7 GGD c\u00f3 gi\u1ed1ng nh\u01b0 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft c\u00f3 th\u1ec3 r\u00fat ra kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ed1 S\u1ef1 s\u1eafp x\u1ebfp GGD \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 l\u00e0 c\u1ed1 \u0111\u1ecbnh. x\u00e1c nh\u1eadn vi\u1ec7c l\u1eafp thi\u1ebft b\u1ecb th\u1ef1c t\u1ebf, ranh gi\u1edbi c\u00e1ch ly v\u00e0 truy c\u1eadp thay th\u1ebf thay v\u00ec gi\u1ea3 \u0111\u1ecbnh s\u1ef1 s\u1eafp x\u1ebfp b\u1ea3o tr\u00ec c\u1ee7a m\u1ed9t l\u1eafp r\u00e1p d\u1ef1a tr\u00ean ng\u0103n k\u00e9o.<\/p>\n\n\n\n<h3 id=\"does-a-50-k-a-breaker-establish-the-cabinets-fault-rating\" class=\"wp-block-heading\">B\u1ed9 ng\u1eaft 50 kA c\u00f3 thi\u1ebft l\u1eadp x\u1ebfp h\u1ea1ng l\u1ed7i c\u1ee7a t\u1ee7 kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ed1 Kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 c\u1ee7a b\u1ed9 ng\u1eaft v\u00e0 kh\u1ea3 n\u0103ng ng\u1eafn m\u1ea1ch c\u1ee7a b\u1ed9 ph\u1eadn l\u1eafp r\u00e1p l\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c nhau. xem x\u00e9t x\u1ebfp h\u1ea1ng l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh, c\u00e1c \u0111i\u1ec1u ki\u1ec7n li\u00ean quan v\u00e0 b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh n\u00e0o m\u00e0 x\u1ebfp h\u1ea1ng ph\u1ee5 thu\u1ed9c v\u00e0o.<\/p>\n\n\n\n<h3 id=\"can-i-request-ggd-switchgear-before-the-design-is-finished\" class=\"wp-block-heading\">T\u00f4i c\u00f3 th\u1ec3 y\u00eau c\u1ea7u thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD tr\u01b0\u1edbc khi thi\u1ebft k\u1ebf k\u1ebft th\u00fac kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3. g\u1eedi c\u00e1c b\u1ea3n v\u1ebd c\u00f3 s\u1eb5n v\u00e0 m\u1ed9t danh s\u00e1ch c\u00e1c \u0111\u1ea7u v\u00e0o ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft. y\u00eau c\u1ea7u m\u1ed9t \u0111\u1ec1 xu\u1ea5t c\u00f3 \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh c\u00e1c gi\u1ea3 \u0111\u1ecbnh v\u00e0 \u0111i\u1ec3m ph\u00ea duy\u1ec7t, sau \u0111\u00f3 c\u1eadp nh\u1eadt \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh thi\u1ebft b\u1ecb \u0111\u1ec3 s\u1ea3n xu\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"<p>Chu\u1ea9n b\u1ecb thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft GGD RFQ c\u1ee7a b\u1ea1n v\u1edbi t\u1ea3i trung chuy\u1ec3n r\u00f5 r\u00e0ng, x\u1ebfp h\u1ea1ng l\u1ed7i v\u00e0 chi ti\u1ebft c\u00e0i \u0111\u1eb7t. g\u1eedi cho Lanshan b\u1ea3n v\u1ebd c\u1ee7a b\u1ea1n \u0111\u1ec3 xem x\u00e9t k\u1ef9 thu\u1eadt.<\/p>","protected":false},"author":1,"featured_media":829,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,78,51,79,77],"class_list":["post-1426","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-electrical-procurement","tag-fixed-switchgear","tag-ggd-switchgear","tag-low-voltage-switchgear","tag-switchgear-specification"],"_links":{"self":[{"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/posts\/1426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/comments?post=1426"}],"version-history":[{"count":1,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/posts\/1426\/revisions"}],"predecessor-version":[{"id":1427,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/posts\/1426\/revisions\/1427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/media\/829"}],"wp:attachment":[{"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/media?parent=1426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/categories?post=1426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/tags?post=1426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}