{"id":1995,"date":"2026-08-06T09:00:00","date_gmt":"2026-08-06T01:00:00","guid":{"rendered":"https:\/\/shenhengglobal.com\/blog\/hermetically-sealed-transformer-guide\/"},"modified":"2026-08-06T09:00:00","modified_gmt":"2026-08-06T01:00:00","slug":"hermetically-sealed-transformer-guide","status":"publish","type":"post","link":"https:\/\/shenhengglobal.com\/vi\/blog\/hermetically-sealed-transformer-guide\/","title":{"rendered":"M\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed: L\u01b0u \u00fd d\u00e0nh cho ng\u01b0\u1eddi mua \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb c\u1ea5p ngu\u1ed3n ngo\u00e0i tr\u1eddi"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\">Ng\u01b0\u1eddi mua \u0111ang \u0111\u00e1nh gi\u00e1 m\u1ed9t <strong>m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed<\/strong> \u0111\u1ed1i v\u1edbi vi\u1ec7c ph\u00e2n ph\u1ed1i ngo\u00e0i tr\u1eddi, c\u1ea7n l\u00e0m r\u00f5 v\u1ec1 thi\u1ebft k\u1ebf b\u00ecnh ch\u1ee9a, qu\u1ea3n l\u00fd \u00e1p su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 b\u1ea3o tr\u00ec \u2014 k\u00edn kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 \u201ckh\u00f4ng c\u1ea7n ki\u1ec3m tra.\u201d<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">H\u01b0\u1edbng d\u1eabn v\u1ec1 m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed n\u00e0y t\u1eadp trung v\u00e0o c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t thi\u1ebft k\u1ebf v\u00e0 mua s\u1eafm th\u1ef1c t\u1ebf cho g\u00f3i thi\u1ebft b\u1ecb d\u01b0\u1edbi \u0111\u00e2y. H\u00e3y k\u1ebft h\u1ee3p danh m\u1ee5c ki\u1ec3m tra v\u1edbi b\u1ea3n v\u1ebd \u0111\u01a1n tuy\u1ebfn \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t \u0111\u1ec3 <code>h\u01b0\u1edbng d\u1eabn m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed<\/code> \u2014 n\u00f3 kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c ho\u1eb7c chuy\u00ean gia t\u01b0 v\u1ea5n.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"T\u1ed5ng quan quy ho\u1ea1ch m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed\" src=\"https:\/\/shenhengglobal.com\/wp-content\/uploads\/2026\/06\/1.35KV-MVHV-Oil-Immersed-Power-Transformer.webp\" \/><\/figure>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 id=\"contents\" style=\"margin:42px 0 14px;scroll-margin-top:96px\">M\u1ee5c l\u1ee5c<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#Part-1.-Sealed-tank-intent-on-outdoor-distribution-feeders\">Ph\u1ea7n 1. M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng b\u00ecnh k\u00edn tr\u00ean c\u00e1c l\u1ed9 \u0111\u01b0\u1eddng d\u00e2y ph\u00e2n ph\u1ed1i ngo\u00e0i tr\u1eddi<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Part-2.-Hermetically-Sealed-Transformer-inputs-to-lock-early\">Ph\u1ea7n 2. C\u00e1c ng\u00f5 v\u00e0o M\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed \u0111\u1ec3 kh\u00f3a s\u1edbm<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Part-3.-Maintenance-access-without-open-breathing-assumptions\">Ph\u1ea7n 3. Truy c\u1eadp b\u1ea3o tr\u00ec kh\u00f4ng c\u00f3 gi\u1ea3 \u0111\u1ecbnh \"th\u1edf m\u1edf\"<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Part-4.-RFQ-documents-unique-to-sealed-oil-transformers\">Ph\u1ea7n 4. T\u00e0i li\u1ec7u Y\u00eau c\u1ea7u B\u00e1o gi\u00e1 (RFQ) d\u00e0nh ri\u00eang cho m\u00e1y bi\u1ebfn \u00e1p ng\u00e2m d\u1ea7u k\u00edn<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Part-5.-Receiving-,-pad-set-,-and-first-energization\">Ph\u1ea7n 5. Ti\u1ebfp nh\u1eadn, b\u1ed9 \u0111\u1ec7m v\u00e0 l\u1ea7n \u0111\u00f3ng \u0111i\u1ec7n \u0111\u1ea7u ti\u00ean<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Part-6.-Hermetically-Sealed-Transformer-catalog-starting-point\">Ph\u1ea7n 6. \u0110i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a danh m\u1ee5c m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Part-7.-Misconceptions-that-create-sealed-tank-problems\">Ph\u1ea7n 7. Nh\u1eefng quan ni\u1ec7m sai l\u1ea7m t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ed3n k\u00edn<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Part-1.-Sealed-tank-intent-on-outdoor-distribution-feeders\">Ph\u1ea7n 1. M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng b\u00ecnh k\u00edn tr\u00ean c\u00e1c l\u1ed9 \u0111\u01b0\u1eddng d\u00e2y ph\u00e2n ph\u1ed1i ngo\u00e0i tr\u1eddi<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c thi\u1ebft k\u1ebf ng\u00e2m d\u1ea7u \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn ho\u00e0n to\u00e0n (ni\u00eam phong k\u00edn kh\u00ed) h\u1ea1n ch\u1ebf s\u1ef1 trao \u0111\u1ed5i kh\u00f4ng kh\u00ed t\u1ef1 do v\u1edbi th\u00f9ng d\u1ea7u, l\u00e0m gi\u1ea3m nguy c\u01a1 x\u00e2m nh\u1eadp c\u1ee7a \u0111\u1ed9 \u1ea9m tr\u00ean c\u00e1c b\u1ec7 \u0111\u1eb7t ngo\u00e0i tr\u1eddi khi \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh v\u00e0 x\u1eed l\u00fd \u0111\u00fang c\u00e1ch.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ch\u00fang t\u00f4i v\u1eabn y\u00eau c\u1ea7u \u0111\u1ed1i chi\u1ebfu b\u1ea3ng t\u00ean, ki\u1ec3m tra s\u1ee9 xuy\u00ean v\u00e0 x\u00e1c minh thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7. H\u00e3y coi vi\u1ec7c b\u1ecbt k\u00edn l\u00e0 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd \u0111\u1ed9 \u1ea9m, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 thay th\u1ebf cho c\u00e1c th\u1eed nghi\u1ec7m ch\u1ea1y th\u1eed.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/shenhengglobal.com\/vi\/blog\/oil-immersed-vs-dry-type-transformer-comparison\/\">So s\u00e1nh m\u00e1y bi\u1ebfn \u00e1p ng\u00e2m d\u1ea7u v\u00e0 m\u00e1y bi\u1ebfn \u00e1p kh\u00f4<\/a> v\u00e0 <a href=\"https:\/\/shenhengglobal.com\/vi\/blog\/oil-type-transformer-bushing-inspection-guide\/\">H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra s\u1ee9 bi\u1ebfn \u00e1p lo\u1ea1i d\u1ea7u<\/a>.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Part-2.-Hermetically-Sealed-Transformer-inputs-to-lock-early\">Ph\u1ea7n 2. C\u00e1c ng\u00f5 v\u00e0o M\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed \u0111\u1ec3 kh\u00f3a s\u1edbm<\/h2>\n<div class=\"b2b-table-scroll\" role=\"region\" aria-label=\"B\u1ea3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 cu\u1ed9n\" tabindex=\"0\" style=\"width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 18px\">\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Ki\u1ec3m tra ng\u01b0\u1eddi mua<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">T\u1ea1i sao c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c ni\u00eam phong v\u1eabn c\u1ea7n n\u00f3<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Ch\u1ee7 s\u1edf h\u1eefu<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">kVA \/ \u0111i\u1ec7n \u00e1p \/ t\u1ed5 \u0111\u1ea5u d\u00e2y<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch m\u1ea1ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1ed9t d\u00f2ng<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3o \u0111\u1ea3m t\u1ed5n th\u1ea5t &amp; nhi\u1ec7t \u0111\u1ed9 tham chi\u1ebfu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chu\u1ea9n h\u00f3a gi\u00e1 th\u1ea7u<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chuy\u00ean gia t\u01b0 v\u1ea5n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ph\u01b0\u01a1ng ph\u00e1p b\u1ecbt k\u00edn \/ gi\u00e3n n\u1edf b\u1ed3n ch\u1ee9a<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u00e0nh vi \u00e1p su\u1ea5t theo chu k\u1ef3 t\u1ea3i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Gi\u1ea3i \u00e1p \/ \u0110\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">V\u00f9ng ho\u1ea1t \u0111\u1ed9ng an to\u00e0n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">V\u1eadn h\u00e0nh \/ HSE<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Lo\u1ea1i s\u1ee9 xuy\u00ean v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn CT<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Giao di\u1ec7n b\u1ea3o v\u1ec7<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">K\u1ef9 s\u01b0 r\u01a1-le<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Lo\u1ea1i d\u1ea7u v\u00e0 h\u1ed3 s\u01a1 ch\u00e2m d\u1ea7u<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u00f3a h\u1ecdc c\u01a1 b\u1ea3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">V\u1eadn h\u00e0nh th\u1eed<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u00f4i tr\u01b0\u1eddng \/ \u0111\u1ed9 cao \/ IP<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Gi\u1ea3m c\u00f4ng su\u1ea5t ngo\u00e0i tr\u1eddi<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u1eef li\u1ec7u trang web<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"xem x\u00e9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed\" src=\"https:\/\/shenhengglobal.com\/wp-content\/uploads\/2026\/06\/2.35KV-MVHV-Oil-Immersed-Power-Transformer.webp\" \/><\/figure>\n<blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Quan tr\u1ecdng:<\/strong> \u0110\u1ed1i v\u1edbi m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed, h\u00e3y kh\u00f3a c\u00e1c \u0111\u1ea7u v\u00e0o n\u00e0y theo m\u1ed9t phi\u00ean b\u1ea3n s\u1eeda \u0111\u1ed5i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t tr\u01b0\u1edbc khi chu\u1ea9n h\u00f3a c\u00e1c h\u1ed3 s\u01a1 d\u1ef1 th\u1ea7u th\u01b0\u01a1ng m\u1ea1i; c\u00e1c thay \u0111\u1ed5i mu\u1ed9n s\u1ebd g\u00e2y ra hi\u1ec7u \u1ee9ng d\u00e2y chuy\u1ec1n \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ea3n v\u1ebd x\u00e2y d\u1ef1ng, b\u1ea3o v\u1ec7 v\u00e0 nh\u00e0 m\u00e1y \u2014 c\u1ea7n th\u1ed1ng nh\u1ea5t v\u1edbi <a href=\"https:\/\/webstore.iec.ch\/\" rel=\"nofollow noopener\" target=\"_blank\">Th\u1ef1c ti\u1ec5n ti\u00eau chu\u1ea9n IEC<\/a> v\u00e0 c\u00e1c ghi ch\u00fa ngu\u1ed3n c\u1ee7a c\u01a1 quan ph\u1ee5 tr\u00e1ch d\u1ef1 \u00e1n.<\/p>\n<\/blockquote>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Part-3.-Maintenance-access-without-open-breathing-assumptions\">Ph\u1ea7n 3. Truy c\u1eadp b\u1ea3o tr\u00ec kh\u00f4ng c\u00f3 gi\u1ea3 \u0111\u1ecbnh \u201ch\u00edt th\u1edf m\u1edf\u201d<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c b\u1ed3n ch\u1ee9a ni\u00eam phong thay \u0111\u1ed5i c\u00e1ch c\u00e1c nh\u00f3m l\u00ean k\u1ebf ho\u1ea1ch l\u1ea5y m\u1eabu d\u1ea7u v\u00e0 ph\u00e2n t\u00edch kh\u00ed. H\u00e3y tu\u00e2n th\u1ee7 c\u00e1c \u0111i\u1ec3m l\u1ea5y m\u1eabu \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t ph\u00ea duy\u1ec7t \u2014 kh\u00f4ng t\u1ef1 \u00fd ch\u1ebf t\u1ea1o c\u00e1c c\u1eeda l\u1ea5y m\u1eabu l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng c\u1ee7a thi\u1ebft k\u1ebf ni\u00eam phong.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">L\u00ean l\u1ecbch ki\u1ec3m tra s\u1ee9 xuy\u00ean, \u0111\u1ed3ng h\u1ed3 \u0111o v\u00e0 van gi\u1ea3m \u00e1p theo c\u00f9ng chu k\u1ef3 v\u1edbi c\u00e1c thi\u1ebft b\u1ecb d\u1ea7u ngo\u00e0i tr\u1eddi kh\u00e1c, k\u00e8m theo vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9 k\u00edn c\u1ee7a gio\u0103ng sau c\u00e1c s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch l\u1edbn ch\u1ea1y qua.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Part-4.-RFQ-documents-unique-to-sealed-oil-transformers\">Ph\u1ea7n 4. T\u00e0i li\u1ec7u Y\u00eau c\u1ea7u B\u00e1o gi\u00e1 (RFQ) d\u00e0nh ri\u00eang cho m\u00e1y bi\u1ebfn \u00e1p ng\u00e2m d\u1ea7u k\u00edn<\/h2>\n<div class=\"b2b-table-scroll\" role=\"region\" aria-label=\"B\u1ea3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 cu\u1ed9n\" tabindex=\"0\" style=\"width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 18px\">\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">T\u00e0i li\u1ec7u<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">M\u1ee5c \u0111\u00edch<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">G\u1eedi k\u00e8m tr\u00edch d\u1eabn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u00f4 t\u1ea3 ni\u00eam phong b\u1ed3n ch\u1ee9a<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">L\u00e0m r\u00f5 ph\u01b0\u01a1ng ph\u00e1p m\u1edf r\u1ed9ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00fang \u2014 h\u1ed3 s\u01a1 d\u1ef1 th\u1ea7u k\u1ef9 thu\u1eadt<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Danh s\u00e1ch van x\u1ea3 \u00e1p \/ \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ch\u1ea5p thu\u1eadn v\u1eadn h\u00e0nh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00f3 \u2014 v\u1edbi GA<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Gi\u1ea5y ch\u1ee9ng nh\u1eadn t\u1ed5n th\u1ea5t v\u00e0 tr\u1edf kh\u00e1ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">So s\u00e1nh th\u01b0\u01a1ng m\u1ea1i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00fang v\u1eady \u2014 tr\u00ean c\u00f9ng m\u1ed9t c\u01a1 s\u1edf<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3n v\u1ebd b\u1ed1 tr\u00ed s\u1ee9 xuy\u00ean \/ m\u00e1y bi\u1ebfn d\u00f2ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00e2y d\u1eabn b\u1ea3o v\u1ec7<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00f3 \u2014 tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Lo\u1ea1i d\u1ea7u + ghi ch\u00e9p \u0111\u1ed5 d\u1ea7u t\u1ea1i nh\u00e0 m\u00e1y<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u01b0\u1eddng c\u01a1 s\u1edf h\u00f3a h\u1ecdc<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00fang v\u1eady \u2014 g\u00f3i h\u00e0ng v\u1eadn chuy\u1ec3n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Quy tr\u00ecnh l\u1ea5y m\u1eabu (n\u1ebfu c\u00f3)<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">L\u1eadp k\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00fang \u2014 Ph\u1ee5 l\u1ee5c V\u1eadn h\u00e0nh &amp; B\u1ea3o tr\u00ec<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">L\u01b0u \u00fd v\u1ec1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ni\u00eam phong v\u1eadn chuy\u1ec3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ki\u1ec3m tra nh\u1eadn h\u00e0ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00fang \u2014 h\u1eadu c\u1ea7n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u00ednh k\u00e8m b\u1ea3ng n\u00e0y v\u00e0o m\u1ecdi b\u1ea3n s\u1eeda \u0111\u1ed5i RFQ \u0111\u1ec3 nh\u00e0 cung c\u1ea5p tr\u1ea3 v\u1ec1 c\u00e1c g\u00f3i k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c thay v\u00ec c\u00e1c \u0111o\u1ea1n tr\u00edch t\u1eeb catalogue.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Part-5.-Receiving-,-pad-set-,-and-first-energization\">Ph\u1ea7n 5. Ti\u1ebfp nh\u1eadn, b\u1ed9 \u0111\u1ec7m v\u00e0 l\u1ea7n \u0111\u00f3ng \u0111i\u1ec7n \u0111\u1ea7u ti\u00ean<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ki\u1ec3m tra t\u00ecnh tr\u1ea1ng to\u00e0n v\u1eb9n c\u1ee7a b\u00ecnh, c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u1ed3ng h\u1ed3 \u0111o, v\u00e0 s\u1ee9 c\u00e1ch \u0111i\u1ec7n\/\u0111\u01b0\u1eddng r\u00f2 c\u1ee7a s\u1ee9 khi \u0111\u1ebfn n\u01a1i. X\u00e1c nh\u1eadn vi\u1ec7c n\u1ed1i \u0111\u1ea5t b\u1ec7 m\u00e1y v\u00e0 l\u1ef1c si\u1ebft c\u00e1p tr\u01b0\u1edbc khi \u0111\u00f3ng \u0111i\u1ec7n l\u1ea7n \u0111\u1ea7u.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ghi l\u1ea1i c\u00e1c k\u1ebft qu\u1ea3 t\u1ef7 s\u1ed1 bi\u1ebfn, \u0111\u1ed9 ph\u00e2n c\u1ef1c v\u00e0 \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n so v\u1edbi nh\u00e3n th\u00f4ng s\u1ed1 c\u1ee7a thi\u1ebft b\u1ecb h\u00e0n k\u00edn. Gi\u1eef l\u1ea1i d\u1eef li\u1ec7u d\u1ea7u ban \u0111\u1ea7u t\u1eeb nh\u00e0 m\u00e1y l\u00e0m c\u01a1 s\u1edf tham chi\u1ebfu h\u00f3a t\u00ednh.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Part-6.-Hermetically-Sealed-Transformer-catalog-starting-point\">Ph\u1ea7n 6. \u0110i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a danh m\u1ee5c m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi nhi\u1ec1u ph\u1ea1m vi m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed, h\u00e3y b\u1eaft \u0111\u1ea7u \u0111\u00e1nh gi\u00e1 k\u1ef9 thu\u1eadt v\u1edbi Shenheng Power <a href=\"https:\/\/shenhengglobal.com\/vi\/product\/s11-m-fully-sealed-oil-immersed-three-phase-outdoor-type-power-distribution-electrical-transformer\/\">M\u00e1y bi\u1ebfn \u00e1p ph\u00e2n ph\u1ed1i ng\u00e2m d\u1ea7u k\u00edn ho\u00e0n to\u00e0n S11-M<\/a> m\u1ee5c danh m\u1ee5c \u0111\u01b0\u1ee3c ghi l\u1ea1i tr\u00ean trang s\u1ea3n ph\u1ea9m.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"M\u00e1y bi\u1ebfn \u00e1p ph\u00e2n ph\u1ed1i ng\u00e2m d\u1ea7u k\u00edn ho\u00e0n to\u00e0n S11-M d\u00f9ng \u0111\u1ec3 xem x\u00e9t k\u1ef9 thu\u1eadt\" src=\"https:\/\/shenhengglobal.com\/wp-content\/uploads\/2026\/06\/3.35KV-MVHV-Oil-Immersed-Power-Transformer.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Gi\u1edbi h\u1ea1n \u1ee9ng d\u1ee5ng:<\/strong> Cho <code>m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed<\/code> (<code>h\u01b0\u1edbng d\u1eabn m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed<\/code>), h\u00e3y xem trang danh m\u1ee5c \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ch\u1ec9 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u k\u1ef9 thu\u1eadt. <strong>kh\u00f4ng<\/strong> \u0110\u00f3ng b\u0103ng <code>m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed<\/code> mua s\u1eafm khi nghi\u00ean c\u1ee9u s\u1ef1 c\u1ed1 d\u1ef1 \u00e1n, gi\u1ea3m c\u00f4ng su\u1ea5t do \u0111\u1ed9 cao, ho\u1eb7c gi\u1edbi h\u1ea1n ph\u00ea duy\u1ec7t lo\u1ea1i c\u1ee7a c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c v\u01b0\u1ee3t qu\u00e1 c\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u00e3 c\u00f4ng b\u1ed1 tr\u00ean trang s\u1ea3n ph\u1ea9m \u0111\u00f3.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">N\u1ebfu nghi\u00ean c\u1ee9u v\u1ec1 m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed ch\u1ec9 ra m\u1ed9t ph\u01b0\u01a1ng \u00e1n ho\u1eb7c c\u00f4ng su\u1ea5t kh\u00e1c cho h\u01b0\u1edbng d\u1eabn m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed, h\u00e3y duy\u1ec7t qua <a href=\"https:\/\/shenhengglobal.com\/vi\/oil-immersed-transformer\/\">trang danh m\u1ee5c<\/a> v\u00e0 g\u1eedi c\u00e1c t\u00e0i li\u1ec7u h\u1ecdc t\u1eadp qua <a href=\"https:\/\/shenhengglobal.com\/vi\/contact-us\/\">Li\u00ean h\u1ec7 \u0110i\u1ec7n l\u1ef1c Th\u00e2m H\u1eb1ng<\/a>.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Part-7.-Misconceptions-that-create-sealed-tank-problems\">Ph\u1ea7n 7. Nh\u1eefng quan ni\u1ec7m sai l\u1ea7m t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ed3n k\u00edn<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">Gi\u1ea3 s\u1eed c\u00e1c b\u00ecnh k\u00edn kh\u00f4ng c\u1ea7n ki\u1ec3m tra sau khi \u0111\u00f3ng \u0111i\u1ec7n.<\/li>\n<li style=\"margin:0 0 8px\">So s\u00e1nh c\u00e1c t\u1ed5n th\u1ea5t m\u00e0 kh\u00f4ng c\u00f3 c\u00e1c c\u01a1 s\u1edf nhi\u1ec7t \u0111\u1ed9 gi\u1ed1ng nhau.<\/li>\n<li style=\"margin:0 0 8px\">Kho\u00e9t c\u00e1c c\u1ed5ng l\u1ea5y m\u1eabu t\u1ea1m th\u1eddi l\u00e0m ph\u00e1 h\u1ecfng thi\u1ebft k\u1ebf l\u00e0m k\u00edn.<\/li>\n<li style=\"margin:0 0 8px\">B\u1ecf qua h\u01b0\u1edbng gi\u1ea3m \u00e1p tr\u00ean GA.<\/li>\n<li style=\"margin:0 0 8px\">B\u1ecf qua vi\u1ec7c ki\u1ec3m tra \u1ed1ng l\u00f3t v\u00ec b\u00ecnh ch\u1ee9a l\u00e0 \u201clo\u1ea1i mi\u1ec5n b\u1ea3o d\u01b0\u1ee1ng\u201d.\u201d<\/li>\n<\/ul>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"FAQ\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3 style=\"margin:28px 0 12px\">Trong th\u1ef1c t\u1ebf, \u0111i\u1ec1u g\u00ec l\u00e0m cho m\u1ed9t m\u00e1y bi\u1ebfn \u00e1p \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn ho\u00e0n to\u00e0n (h\u00fat ch\u00e2n kh\u00f4ng\/k\u00edn kh\u00ed)?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Thi\u1ebft k\u1ebf b\u1ed3n h\u1ea1n ch\u1ebf trao \u0111\u1ed5i kh\u00f4ng kh\u00ed t\u1ef1 do \u2014 h\u00e3y x\u00e1c nh\u1eadn ph\u01b0\u01a1ng ph\u00e1p gi\u00e3n n\u1edf v\u00e0 b\u1ecbt k\u00edn ch\u00ednh x\u00e1c tr\u00ean b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<h3 style=\"margin:28px 0 12px\">Vi\u1ec7c b\u1ecbt k\u00edn thay \u0111\u1ed5i quy tr\u00ecnh l\u1ea5y m\u1eabu d\u1ea7u nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c c\u1ed5ng v\u00e0 quy tr\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t; kh\u00f4ng coi c\u00e1c th\u00f3i quen b\u1ea3o t\u1ed3n m\u1edf l\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf cho nhau.<\/p>\n<h3 style=\"margin:28px 0 12px\">C\u00e1c lo\u1ea1i m\u00e1ng \u0103n ngo\u00e0i tr\u1eddi n\u00e0o \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i nhi\u1ec1u nh\u1ea5t t\u1eeb c\u00e1c b\u00ecnh ch\u1ee9a k\u00edn?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c t\u1ea5m \u0111\u1ec7m c\u00f3 y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m v\u00e0 gi\u1ea3m thi\u1ec3u vi\u1ec7c b\u1ea3o tr\u00ec \u0111\u01b0\u1eddng th\u1edf \u2014 v\u1eabn tu\u00e2n theo quy \u0111\u1ecbnh th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n<h3 style=\"margin:28px 0 12px\">D\u1eef li\u1ec7u v\u1ec1 thi\u1ebft b\u1ecb gi\u1ea3m \u00e1p v\u00e0 \u0111\u1ed3ng h\u1ed3 \u0111o n\u00e0o c\u1ea7n c\u00f3 trong Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ)?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Danh s\u00e1ch thi\u1ebft b\u1ecb, \u0111i\u1ec3m \u0111\u1eb7t\/d\u1ea3i v\u1eadn h\u00e0nh v\u00e0 v\u1ecb tr\u00ed b\u1ed1 tr\u00ed GA \u0111\u1ec3 \u0111\u1ed9i ng\u0169 v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 ti\u1ebfp nh\u1eadn g\u00f3i th\u1ea7u m\u1ed9t c\u00e1ch an to\u00e0n.<\/p>\n<h3 style=\"margin:28px 0 12px\">Ng\u01b0\u1eddi mua n\u00ean so s\u00e1nh c\u00e1c kho\u1ea3n l\u1ed7 tr\u00ean c\u00e1c \u0111\u01a1n v\u1ecb ni\u00eam phong nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Y\u00eau c\u1ea7u \u0111\u1ecbnh d\u1ea1ng b\u1ea3o l\u00e3nh gi\u1ed1ng h\u1ec7t nhau v\u00e0 nhi\u1ec7t \u0111\u1ed9 tham chi\u1ebfu gi\u1eefa c\u00e1c nh\u00e0 th\u1ea7u tr\u01b0\u1edbc khi x\u1ebfp h\u1ea1ng th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<h3 style=\"margin:28px 0 12px\">Khi n\u00e0o lo\u1ea1i b\u00ecnh b\u1ea3o qu\u1ea3n v\u1eabn \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Khi c\u00e1c ti\u00eau chu\u1ea9n ti\u1ec7n \u00edch, c\u00e1c c\u1ea5p MVA l\u1edbn h\u01a1n ho\u1eb7c ch\u1ebf \u0111\u1ed9 b\u1ea3o tr\u00ec y\u00eau c\u1ea7u r\u00f5 r\u00e0ng c\u00e1c thi\u1ebft k\u1ebf b\u00ecnh d\u1ea7u ph\u1ee5.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"References\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/webstore.iec.ch\/publication\/5998\" rel=\"nofollow noopener\" target=\"_blank\">D\u00f2ng m\u00e1y bi\u1ebfn \u00e1p l\u1ef1c IEC 60076<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/standards.ieee.org\/\" rel=\"nofollow noopener\" target=\"_blank\">T\u00e0i li\u1ec7u tham kh\u1ea3o m\u00e1y bi\u1ebfn \u00e1p ng\u00e2m ch\u1ea5t l\u1ecfng IEEE<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0110\u00e1nh gi\u00e1 m\u00e1y bi\u1ebfn \u00e1p k\u00edn kh\u00ed v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ee9a d\u1ea7u, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn b\u1ea3o tr\u00ec, d\u1eef li\u1ec7u t\u1ed5n th\u1ea5t v\u00e0 t\u00e0i li\u1ec7u y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u00e1c l\u1ed9 ra ph\u00e2n ph\u1ed1i ngo\u00e0i tr\u1eddi.<\/p>","protected":false},"author":1,"featured_media":1400,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1995","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"acf":[],"_links":{"self":[{"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/posts\/1995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/comments?post=1995"}],"version-history":[{"count":0,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/posts\/1995\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/media\/1400"}],"wp:attachment":[{"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/media?parent=1995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/categories?post=1995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/tags?post=1995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}