{"id":2015,"date":"2026-08-12T15:00:00","date_gmt":"2026-08-12T07:00:00","guid":{"rendered":"https:\/\/shenhengglobal.com\/blog\/transformer-impedance-fault-level-parallel-operation\/"},"modified":"2026-08-27T09:55:46","modified_gmt":"2026-08-27T01:55:46","slug":"transformer-impedance-fault-level-parallel-operation","status":"publish","type":"post","link":"https:\/\/shenhengglobal.com\/vi\/blog\/transformer-impedance-fault-level-parallel-operation\/","title":{"rendered":"Tr\u1edf kh\u00e1ng m\u00e1y bi\u1ebfn \u00e1p \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn m\u1ee9c s\u1ef1 c\u1ed1 v\u00e0 v\u1eadn h\u00e0nh song song"},"content":{"rendered":"<div class=\"b2b-article\">\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 l\u1ef1c kh\u00f4 \u0111\u00fac nh\u1ef1a Shenheng\" src=\"https:\/\/shenhengglobal.com\/wp-content\/uploads\/2026\/06\/1.-3-Phase-Cast-Resin-Dry-Type-Transformer.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tr\u1edf kh\u00e1ng m\u00e1y bi\u1ebfn \u00e1p l\u00e0 c\u1ea7u n\u1ed1i gi\u1eefa nh\u00e3n th\u00f4ng s\u1ed1 c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u00e0 t\u1ee7 \u0111i\u1ec7n c\u00f3 th\u1ec3 gieo ph\u1ea3i trong s\u1ef1 c\u1ed1. N\u00f3 c\u0169ng x\u00e1c \u0111\u1ecbnh c\u00e1ch hai m\u00e1y bi\u1ebfn \u00e1p ph\u00e2n chia t\u1ea3i khi ch\u00fang d\u00f9ng chung m\u1ed9t thanh c\u00e1i. C\u00e1c ph\u00e9p t\u00ednh d\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00f4ng c\u1ee5 s\u00e0ng l\u1ecdc; m\u1ed9t nghi\u00ean c\u1ee9u v\u1ec1 b\u1ea3o v\u1ec7, h\u1ed3 quang \u0111i\u1ec7n ho\u1eb7c t\u1ea3i tr\u1ecdng thi\u1ebft b\u1ecb ph\u1ea3i bao g\u1ed3m to\u00e0n b\u1ed9 l\u01b0\u1edbi \u0111i\u1ec7n.<\/p>\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=\"#Read-Z-correctly\">\u0110\u1ecdc %Z m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Estimate-a-first-pass-fault-level\">\u01af\u1edbc t\u00ednh m\u1ee9c \u0111\u1ed9 s\u1ef1 c\u1ed1 s\u01a1 b\u1ed9<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#What-changes-when-transformers-run-in-parallel?\">\u0110i\u1ec1u g\u00ec thay \u0111\u1ed5i khi c\u00e1c m\u00f4 h\u00ecnh transformer ch\u1ea1y song song?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Data-request-checklist\">Danh s\u00e1ch ki\u1ec3m tra y\u00eau c\u1ea7u d\u1eef li\u1ec7u<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Specify-the-transformer-package\">Ch\u1ec9 \u0111\u1ecbnh g\u00f3i transformer<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Read-Z-correctly\">\u0110\u1ecdc %Z m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tr\u1edf kh\u00e1ng ph\u1ea7n tr\u0103m (%Z) l\u00e0 \u0111i\u1ec7n \u00e1p, \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng ph\u1ea7n tr\u0103m c\u1ee7a \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c, c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c khi cu\u1ed9n d\u00e2y c\u00f2n l\u1ea1i b\u1ecb ng\u1eafn m\u1ea1ch trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m tr\u1edf kh\u00e1ng. D\u01b0\u1edbi d\u1ea1ng \u0111\u01a1n v\u1ecb ph\u1ea7n (per-unit), 5%Z t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 0,05 pu. Tr\u1edf kh\u00e1ng th\u1ea5p h\u01a1n th\u01b0\u1eddng \u0111\u1ed3ng ngh\u0129a v\u1edbi kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p t\u1ed1t h\u01a1n, nh\u01b0ng c\u0169ng cho ph\u00e9p d\u00f2ng ng\u1eafn m\u1ea1ch l\u1edbn h\u01a1n. Gi\u00e1 tr\u1ecb n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecdc c\u00f9ng v\u1edbi c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c (kVA), \u0111i\u1ec7n \u00e1p, t\u1ea7n s\u1ed1, nh\u00f3m vect\u01a1 v\u00e0 v\u1ecb tr\u00ed ch\u1ed1t.<\/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 \u0111i\u1ec7n ng\u00e2m d\u1ea7u d\u00f9ng \u0111\u1ec3 t\u00ednh to\u00e1n tr\u1edf kh\u00e1ng v\u00e0 m\u1ee9c \u0111\u1ed9 s\u1ef1 c\u1ed1\" src=\"https:\/\/shenhengglobal.com\/wp-content\/uploads\/2026\/06\/1.35KV-MVHV-Oil-Immersed-Power-Transformer.webp\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Estimate-a-first-pass-fault-level\">\u01af\u1edbc t\u00ednh m\u1ee9c \u0111\u1ed9 s\u1ef1 c\u1ed1 s\u01a1 b\u1ed9<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi ph\u00e9p x\u1ea5p ch\u1ec9 ba pha \u0111\u1ed1i x\u1ee9ng, ch\u1ec9 c\u00f3 m\u00e1y bi\u1ebfn \u00e1p:<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><code>v\u0103n b\u1ea3n<br \/>\nI_s\u1ef1_c\u1ed1 \u2248 I_\u0111\u1ecbnh_m\u1ee9c \/ Z_pu<br \/>\nS_sc   \u2248 S_transformer \/ Z_pu<\/code><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">V\u00ed d\u1ee5 (ch\u1ec9 mang t\u00ednh minh h\u1ecda, kh\u00f4ng ph\u1ea3i l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a Shenheng): M\u1ed9t m\u00e1y bi\u1ebfn \u00e1p c\u00f4ng su\u1ea5t 1.000 kVA, \u0111i\u1ec7n \u00e1p 11 kV v\u1edbi m\u00e3 5%Z c\u00f3 d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c kho\u1ea3ng 52,5 A \u1edf ph\u00eda 11 kV. Chia cho 0,05 s\u1ebd cho k\u1ebft qu\u1ea3 x\u1ea5p x\u1ec9 1,05 kA, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u1ee9c s\u1ef1 c\u1ed1 kho\u1ea3ng 20 MVA t\u1ea1i c\u00e1c \u0111\u1ea7u n\u1ed1i tr\u01b0\u1edbc khi t\u00ednh th\u00eam tr\u1edf kh\u00e1ng c\u1ee7a ngu\u1ed3n, c\u00e1p v\u00e0 \u0111\u1ed9ng c\u01a1.<\/p>\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\">Thay \u0111\u1ed5i<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Hi\u1ec7u \u1ee9ng v\u01b0\u1ee3t qua l\u1ea7n \u0111\u1ea7u<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Nh\u1eefng g\u00ec k\u1ef9 s\u01b0 v\u1eabn ki\u1ec3m tra<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">%Z gi\u1ea3m t\u1eeb 6% xu\u1ed1ng 5%<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00f2ng \u0111i\u1ec7n ti\u1ec1m n\u0103ng t\u0103ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tr\u1edf kh\u00e1ng ph\u00eda ngu\u1ed3n, X\/R, kh\u1ea3 n\u0103ng c\u1eaft c\u1ee7a m\u00e1y c\u1eaft<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00f4ng su\u1ea5t kVA c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p t\u0103ng l\u00ean trong khi v\u1eabn gi\u1eef nguy\u00ean %Z<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00f4ng su\u1ea5t ng\u1eafn m\u1ea1ch (Fault MVA) v\u00e0 d\u00f2ng \u0111i\u1ec7n t\u0103ng l\u00ean<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u1ed7 tr\u1ee3 thanh c\u00e1i, ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1p \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t gi\u1eefa m\u00e1y bi\u1ebfn \u00e1p v\u00e0 thanh d\u1eabn \u0111i\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00f2ng s\u1ef1 c\u1ed1 t\u1ea1i thanh c\u00e1i gi\u1ea3m<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chi\u1ec1u d\u00e0i c\u00e1p, h\u00ecnh h\u1ecdc d\u00e2y d\u1eabn, nhi\u1ec7t \u0111\u1ed9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng chuy\u1ec3n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp \u01b0\u1edbc t\u00ednh n\u00e0y th\u00e0nh \u0111\u1ecbnh m\u1ee9c thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft. Nghi\u00ean c\u1ee9u th\u1ef1c t\u1ebf s\u1ebd b\u1ed5 sung m\u1ee9c s\u1ef1 c\u1ed1 ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi, \u0111\u00f3ng g\u00f3p t\u1eeb m\u00e1y ph\u00e1t\/\u0111\u1ed9ng c\u01a1, ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i \u0111\u1ea5t, t\u1ec9 l\u1ec7 X\/R v\u00e0 c\u1ea5u h\u00ecnh v\u1eadn h\u00e0nh b\u1ea5t l\u1ee3i nh\u1ea5t.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"What-changes-when-transformers-run-in-parallel?\">\u0110i\u1ec1u g\u00ec thay \u0111\u1ed5i khi c\u00e1c m\u00f4 h\u00ecnh transformer ch\u1ea1y song song?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tr\u01b0\u1edbc khi th\u1eaft c\u00e0 v\u1ea1t, h\u00e3y ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec1u sau:<\/p>\n<ol style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">C\u00f9ng th\u1ee9 t\u1ef1 pha, c\u1ef1c t\u00ednh v\u00e0 nh\u00f3m \u0111\u1ea5u d\u00e2y (ho\u1eb7c m\u1ed9t k\u1ebft n\u1ed1i t\u01b0\u01a1ng th\u00edch \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang).<\/li>\n<li style=\"margin:0 0 8px\">T\u1ef7 s\u1ed1 \u0111i\u1ec7n \u00e1p th\u1ee9 c\u1ea5p g\u1ea7n b\u1eb1ng nhau \u1edf \u0111\u1ea7u n\u1ea1p \u0111\u01b0\u1ee3c ch\u1ecdn; n\u1ebfu kh\u00f4ng, d\u00f2ng \u0111i\u1ec7n tu\u1ea7n ho\u00e0n c\u00f3 th\u1ec3 ch\u1ea1y khi kh\u00f4ng t\u1ea3i.<\/li>\n<li style=\"margin:0 0 8px\">\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c t\u01b0\u01a1ng th\u00edch, t\u1ea7n s\u1ed1 v\u00e0 m\u1ee9c c\u00e1ch \u0111i\u1ec7n.<\/li>\n<li style=\"margin:0 0 8px\">Ph\u1ea7n tr\u0103m tr\u1edf kh\u00e1ng v\u00e0 t\u1ef7 l\u1ec7 X\/R t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. C\u00e1c thi\u1ebft b\u1ecb c\u00f3 tr\u1edf kh\u00e1ng kh\u00e1c nhau kh\u00f4ng chia s\u1ebb t\u1ea3i nh\u01b0 nhau.<\/li>\n<li style=\"margin:0 0 8px\">C\u00e1c nhi\u1ec7m v\u1ee5 b\u1ea3o v\u1ec7, trung t\u00ednh\/n\u1ed1i \u0111\u1ea5t v\u00e0 ch\u1ed1ng \u0111o\u1ea3n m\u1ea1ch v\u1eabn ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi m\u1ecdi tr\u1ea1ng th\u00e1i \u0111\u00f3ng c\u1eaft.<\/li>\n<\/ol>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi hai thi\u1ebft b\u1ecb tr\u00ean m\u1ed9t bus chung, \u01b0\u1edbc t\u00ednh ph\u00e2n chia ban \u0111\u1ea7u t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi tr\u1edf kh\u00e1ng r\u00f2 c\u1ee7a ch\u00fang:<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><code>v\u0103n b\u1ea3n<br \/>\nI1 \/ I2 \u2248 Z2 \/ Z1<\/code><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">N\u1ebfu c\u00e1c thi\u1ebft b\u1ecb c\u00f3 c\u00f4ng su\u1ea5t kVA b\u1eb1ng nhau l\u00e0 5%Z v\u00e0 6%Z, th\u00ec thi\u1ebft b\u1ecb 5%Z th\u01b0\u1eddng mang d\u00f2ng \u0111i\u1ec7n g\u1ea5p kho\u1ea3ng 6\/5 (1,2) l\u1ea7n so v\u1edbi thi\u1ebft b\u1ecb 6%Z, tr\u01b0\u1edbc khi t\u00ednh \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 v\u1ecb tr\u00ed v\u1ea1ch \u0111i\u1ec1u ch\u1ec9nh, nhi\u1ec7t \u0111\u1ed9 v\u00e0 d\u00f2ng \u0111i\u1ec7n tu\u1ea7n ho\u00e0n. H\u00e3y coi \u0111\u00e2y l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho nghi\u00ean c\u1ee9u, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 k\u1ebft qu\u1ea3 th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Data-request-checklist\">Danh s\u00e1ch ki\u1ec3m tra y\u00eau c\u1ea7u d\u1eef li\u1ec7u<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">H\u00e3y y\u00eau c\u1ea7u nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM) ho\u1eb7c c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c cung c\u1ea5p:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c, \u0111i\u1ec7n \u00e1p s\u01a1 c\u1ea5p\/th\u1ee9 c\u1ea5p, t\u1ea7n s\u1ed1 v\u00e0 k\u00fd hi\u1ec7u n\u1ed1i d\u00e2y;<\/li>\n<li style=\"margin:0 0 8px\">\u0111\u1ea3m b\u1ea3o \u0111\u1ea1t ti\u00eau chu\u1ea9n %Z v\u00e0 X\/R, k\u00e8m theo dung sai v\u00e0 ti\u00eau chu\u1ea9n ki\u1ec3m tra;<\/li>\n<li style=\"margin:0 0 8px\">d\u1ea3i n\u1ea5c, v\u1ecb tr\u00ed n\u1ea5c v\u00e0 t\u1ef7 l\u1ec7 \u1edf n\u1ea5c v\u1eadn h\u00e0nh \u0111\u1ec1 xu\u1ea5t;<\/li>\n<li style=\"margin:0 0 8px\">s\u1eafp x\u1ebfp n\u1ed1i \u0111\u1ea5t\/trung t\u00ednh v\u00e0 th\u00f4ng tin th\u1ee9 t\u1ef1 kh\u00f4ng khi c\u00f3 li\u00ean quan;<\/li>\n<li style=\"margin:0 0 8px\">m\u1ee9c \u0111\u1ed9 ng\u1eafn m\u1ea1ch \u0111\u1ea7u ngu\u1ed3n, tr\u1edf kh\u00e1ng c\u00e1p v\u00e0 s\u1ef1 \u0111\u00f3ng g\u00f3p c\u1ee7a \u0111\u1ed9ng c\u01a1\/m\u00e1y ph\u00e1t;<\/li>\n<li style=\"margin:0 0 8px\">c\u00e1c t\u1ed5 h\u1ee3p song song d\u1ef1 ki\u1ebfn, h\u1ed3 s\u01a1 ph\u1ee5 t\u1ea3i v\u00e0 tr\u1ea1ng th\u00e1i b\u1ed9 ph\u00e2n \u0111\u1ecbnh \u01b0u ti\u00ean;<\/li>\n<li style=\"margin:0 0 8px\">b\u1eb1ng ch\u1ee9ng th\u1eed nghi\u1ec7m \u0111i\u1ec3n h\u00ecnh\/lo\u1ea1i v\u00e0 b\u1ea3ng t\u00ean ho\u1eb7c b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m m\u1edbi nh\u1ea5t.<\/li>\n<\/ul>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Specify-the-transformer-package\">Ch\u1ec9 \u0111\u1ecbnh g\u00f3i transformer<\/h2>\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=\"D\u00f2ng s\u1ea3n ph\u1ea9m m\u00e1y bi\u1ebfn \u00e1p kh\u00f4 ba pha\" src=\"https:\/\/shenhengglobal.com\/wp-content\/uploads\/2026\/06\/1.Three-Phase-Dry-Type-Transformer.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110i\u1ec7n l\u1ef1c Th\u00e2m H\u1eb1ng <a href=\"https:\/\/shenhengglobal.com\/vi\/transformer\/\">d\u00f2ng s\u1ea3n ph\u1ea9m m\u00e1y bi\u1ebfn \u00e1p<\/a> l\u00e0 b\u01b0\u1edbc ti\u1ebfp theo ph\u00f9 h\u1ee3p khi b\u1ea1n c\u1ea7n y\u00eau c\u1ea7u c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y cho m\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n lo\u1ea1i kh\u00f4 ho\u1eb7c ng\u00e2m d\u1ea7u. Li\u00ean k\u1ebft danh m\u1ee5c n\u00e0y kh\u00f4ng x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 %Z, kh\u1ea3 n\u0103ng ch\u1ecbu s\u1ef1 c\u1ed1 ho\u1eb7c kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch song song c\u1ee7a m\u1ed9t m\u1eabu c\u1ee5 th\u1ec3. Vui l\u00f2ng cung c\u1ea5p s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00e2y, m\u1ee9c \u0111i\u1ec7n \u00e1p tham chi\u1ebfu, m\u1ee9c s\u1ef1 c\u1ed1 c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 c\u00e1c chi ti\u1ebft v\u1ec1 v\u00f2i \u0111i\u1ec1u ch\u1ec9nh\/n\u1ed1i \u0111\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 g\u1eedi l\u1ea1i b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng.<\/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:\/\/electrical-engineering-portal.com\/transformer-impedance\" rel=\"nofollow noopener\" target=\"_blank\">Gi\u1ea3i th\u00edch v\u1ec1 t\u1ed5ng tr\u1edf m\u00e1y bi\u1ebfn \u00e1p v\u00e0 m\u1ea1ch t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.se.com\/us\/en\/faqs\/FA101257\/\" rel=\"nofollow noopener\" target=\"_blank\">H\u01b0\u1edbng d\u1eabn t\u00ednh to\u00e1n d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch c\u1ee7a Schneider Electric<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/library.e.abb.com\/public\/transformer-parallel-operation.pdf\" rel=\"nofollow noopener\" target=\"_blank\">T\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a ABB v\u1ec1 v\u1eadn h\u00e0nh song song<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.cigre.org\/publications\/technical-brochures\" rel=\"nofollow noopener\" target=\"_blank\">Th\u01b0 vi\u1ec7n t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt CIGRE d\u00e0nh cho c\u00e1c nghi\u00ean c\u1ee9u h\u1ec7 th\u1ed1ng<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/shenhengglobal.com\/vi\/transformer\/\">D\u00f2ng s\u1ea3n ph\u1ea9m m\u00e1y bi\u1ebfn \u00e1p Shenheng Power<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch \u0111i\u1ec7n kh\u00e1ng ph\u1ea7n tr\u0103m c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p l\u00e0m thay \u0111\u1ed5i d\u00f2ng s\u1ef1 c\u1ed1, m\u1ee9c s\u1ef1 c\u1ed1 v\u00e0 kh\u1ea3 n\u0103ng chia t\u1ea3i trong c\u00e1c d\u00e3y \u0111\u1ea5u song song, k\u00e8m theo c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh, gi\u1ea3 \u0111\u1ecbnh v\u00e0 d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o RFQ.<\/p>","protected":false},"author":1,"featured_media":2046,"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-2015","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\/2015","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=2015"}],"version-history":[{"count":1,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/posts\/2015\/revisions"}],"predecessor-version":[{"id":2028,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/posts\/2015\/revisions\/2028"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/media\/2046"}],"wp:attachment":[{"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/media?parent=2015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/categories?post=2015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shenhengglobal.com\/vi\/wp-json\/wp\/v2\/tags?post=2015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}