{"id":2665,"date":"2026-07-24T09:00:00","date_gmt":"2026-07-24T01:00:00","guid":{"rendered":"https:\/\/sayoon-dc.com\/?p=2665"},"modified":"2026-07-24T09:00:00","modified_gmt":"2026-07-24T01:00:00","slug":"contactor-so-bo-tu-tinh-dieu-khien-dong-dien-khoi-dong-nap-truoc-xe-dien","status":"publish","type":"post","link":"https:\/\/sayoon-dc.com\/vi\/blog\/pre-magnetic-contactor-ev-precharge-inrush-control\/","title":{"rendered":"Vai tr\u00f2 c\u1ee7a c\u00f4ng t\u1eafc t\u01a1 ti\u1ec1n nhi\u1ec5m \u0111i\u1ec7n (pre-magnetic contactor) trong qu\u00e1 tr\u00ecnh ti\u1ec1n s\u1ea1c (precharge) v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng (inrush control) tr\u00ean xe \u0111i\u1ec7n (EV) l\u00e0 g\u00ec?"},"content":{"rendered":"<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Trong thu\u1eadt ng\u1eef xe \u0111i\u1ec7n (EV), c\u00f4ng-t\u1eafc-t\u01a1 ti\u1ec1n t\u1eeb t\u00ednh ch\u00ednh l\u00e0 c\u00f4ng-t\u1eafc-t\u01a1 ti\u1ec1n n\u1ea1p (pre-charge): m\u1ed9t c\u00f4ng-t\u1eafc-t\u01a1 \u0111i\u1ec7n \u00e1p cao m\u1ed9t chi\u1ec1u (HV DC) nh\u1ecf \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn, \u0111\u00f3ng tr\u01b0\u1edbc th\u00f4ng qua m\u1ed9t m\u1ea1ch ti\u1ec1n n\u1ea1p \u0111\u1ec3 \u0111i\u1ec7n dung c\u1ee7a li\u00ean k\u1ebft DC \u0111\u01b0\u1ee3c n\u1ea1p d\u01b0\u1edbi d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, v\u00e0 ch\u1ec9 sau \u0111\u00f3 c\u00f4ng-t\u1eafc-t\u01a1 ch\u00ednh m\u1edbi \u0111\u00f3ng l\u1ea1i \u2014 gi\u00fap h\u1ea1n ch\u1ebf d\u00f2ng \u0111i\u1ec7n kh\u1edfi ph\u00e1t v\u1ed1n c\u00f3 th\u1ec3 l\u00e0m m\u00f2n ho\u1eb7c h\u00e0n d\u00ednh c\u00e1c ti\u1ebfp \u0111i\u1ec3m ch\u00ednh, v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ed1i chi\u1ebfu v\u1edbi c\u00e1c l\u0129nh v\u1ef1c d\u00f2ng xe lai (HEV) \u0111\u00e3 c\u00f4ng b\u1ed1.<\/strong><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch n\u00e0y d\u00e0nh cho c\u00e1c k\u1ef9 s\u01b0 h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng xe \u0111i\u1ec7n (EV) v\u00e0 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin (BMS) \u2013 nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 ti\u1ebfp nh\u1eadn thu\u1eadt ng\u1eef n\u00e0y t\u1eeb danh s\u00e1ch nh\u00e0 cung c\u1ea5p v\u00e0 c\u1ea7n \u00e1nh x\u1ea1 n\u00f3 v\u00e0o thi\u1ebft k\u1ebf ti\u1ec1n s\u1ea1c th\u1ef1c t\u1ebf. D\u00f2ng thi\u1ebft b\u1ecb \u0111\u1eb1ng sau n\u00f3 tr\u00ean trang web n\u00e0y l\u00e0 <a href=\"https:\/\/sayoon-dc.com\/vi\/hev-series-hv-dc-contactor\/\">C\u00f4ng t\u1eafc t\u01a1 DC cao \u00e1p d\u00f2ng HEV<\/a> d\u00f2ng, v\u00e0 m\u1ecdi tuy\u00ean b\u1ed1 v\u1ec1 m\u00f4 h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec1u tr\u00edch d\u1eabn m\u1ed9t h\u00e0ng trong b\u1ea3ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1.<\/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=\"Contactor DC cao \u00e1p k\u00edn lo\u1ea1i HEV30 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u00e1c nh\u00e1nh n\u1ea1p tr\u01b0\u1edbc c\u1ee7a xe \u0111i\u1ec7n\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/hev30ad_s1-2.webp\" \/><\/figure>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 style=\"margin:42px 0 14px\">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-what-does-pre-magnetic-contactor-mean-in-ev-precharge-vocabulary\">Ph\u1ea7n 1. Ti\u1ebfp \u0111i\u1ec3m ch\u00ednh ph\u1ee5 (pre-magnetic contactor) trong thu\u1eadt ng\u1eef ti\u1ec1n s\u1ea1c xe \u0111i\u1ec7n (EV precharge) c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-why-does-inrush-current-drive-precharge-design-in-ev-dc-links\">Ph\u1ea7n 2. T\u1ea1i sao d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng (inrush current) l\u1ea1i chi ph\u1ed1i thi\u1ebft k\u1ebf m\u1ea1ch s\u1ea1c tr\u01b0\u1edbc (precharge design) trong c\u00e1c li\u00ean k\u1ebft DC c\u1ee7a xe \u0111i\u1ec7n?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-how-does-a-precharge-contactor-work-beside-the-main-contactor\">Ph\u1ea7n 3. Contactor ti\u1ec1n s\u1ea1c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o b\u00ean c\u1ea1nh contactor ch\u00ednh?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-which-published-hev-fields-matter-for-precharge-and-inrush-duty\">Ph\u1ea7n 4. Nh\u1eefng tr\u01b0\u1eddng h\u1ee3p HEV n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 l\u00e0 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nhi\u1ec7m v\u1ee5 s\u1ea1c tr\u01b0\u1edbc v\u00e0 d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-which-option-codes-relate-to-precharge-and-capacitive-loads\">Ph\u1ea7n 5. Nh\u1eefng m\u00e3 t\u00f9y ch\u1ecdn n\u00e0o li\u00ean quan \u0111\u1ebfn t\u1ea3i \u0111i\u1ec7n dung v\u00e0 d\u00f2ng n\u1ea1p s\u01a1 b\u1ed9?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-which-sayoon-models-anchor-a-precharge-rfq-under-the-hev-pillar\">Ph\u1ea7n 6. Nh\u1eefng m\u1eabu SAYOON n\u00e0o neo gi\u1eef m\u1ed9t RFQ ti\u1ec1n s\u1ea1c d\u01b0\u1edbi tr\u1ee5 c\u1ed9t HEV?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-7-what-precharge-design-mistakes-damage-ev-dc-paths\">Ph\u1ea7n 7. Nh\u1eefng l\u1ed7i thi\u1ebft k\u1ebf d\u00f2ng \u0111i\u1ec7n ti\u00ean kh\u1edfi n\u00e0o l\u00e0m h\u1ecfng c\u00e1c \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC) c\u1ee7a xe \u0111i\u1ec7n?<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px\" id=\"part-1-what-does-pre-magnetic-contactor-mean-in-ev-precharge-vocabulary\">Ph\u1ea7n 1. Ti\u1ebfp \u0111i\u1ec3m ch\u00ednh ph\u1ee5 (pre-magnetic contactor) trong thu\u1eadt ng\u1eef ti\u1ec1n s\u1ea1c xe \u0111i\u1ec7n (EV precharge) c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u1ee5m t\u1eeb <strong>ti\u1ebfp \u0111i\u1ec3m t\u1eeb s\u01a1 c\u1ea5p<\/strong> xu\u1ea5t hi\u1ec7n trong danh s\u00e1ch t\u1eeb v\u1ef1ng c\u1ee7a nh\u00e0 cung c\u1ea5p v\u00e0 c\u00e1c danh m\u1ee5c \u0111\u00e3 d\u1ecbch, v\u00e0 \u0111i\u1ec1u \u0111\u00f3 g\u00e2y nh\u1ea7m l\u1eabn cho c\u00e1c nh\u00f3m v\u00ec t\u1eeb \"magnetic\" (t\u1eeb t\u00ednh) c\u0169ng d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00e1c ki\u1ebfn tr\u00fac ch\u1ed1t. Trong b\u1ed1i c\u1ea3nh ti\u1ec1n s\u1ea1c, vi\u1ec7c \u00e1nh x\u1ea1 r\u1ea5t \u0111\u01a1n gi\u1ea3n: \u0111\u00f3 l\u00e0 contactor ti\u1ec1n s\u1ea1c \u2014 contactor nh\u1ecf d\u1eabn \u0111i\u1ec7n tr\u01b0\u1edbc, tr\u01b0\u1edbc m\u1ea1ch ch\u00ednh.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">SAYOON c\u00f4ng b\u1ed1 b\u1ea3n \u0111\u1ed3 \u0111\u00f3 tr\u00ean c\u00e1c trang \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh, n\u01a1i c\u00e1c Contactor ti\u1ec1n s\u1ea1c \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n ti\u1ec1n s\u1ea1c tr\u01b0\u1edbc khi k\u1ebft n\u1ed1i m\u1ea1ch ch\u00ednh. V\u00ec v\u1eady, h\u00e3y coi thu\u1eadt ng\u1eef n\u00e0y nh\u01b0 m\u1ed9t t\u00ean vai tr\u00f2 trong tr\u00ecnh t\u1ef1 k\u1ebft n\u1ed1i, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 thi\u1ebft b\u1ecb ri\u00eang bi\u1ec7t.<\/p>\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\">Thu\u1eadt ng\u1eef xu\u1ea5t hi\u1ec7n trong danh s\u00e1ch<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Vai tr\u00f2 trong m\u1ea1ch \u0111i\u1ec7n xe \u0111i\u1ec7n<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">N\u01a1i n\u00f3 \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Contactor s\u01a1 c\u1ea5p \/ ti\u1ec1n s\u1ea1c<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00f3ng tr\u01b0\u1edbc qua \u0111\u01b0\u1eddng \u0111i\u1ec7n tr\u1edf \u0111\u1ec3 n\u1ea1p \u0111i\u1ec7n cho m\u1ea1ch li\u00ean k\u1ebft DC<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u00c1nh x\u1ea1 s\u1ea3n ph\u1ea9m trang gi\u1ea3i ph\u00e1p<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00f4ng t\u1eafc t\u01a1 ch\u00ednh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Mang d\u00f2ng \u0111i\u1ec7n k\u00e9o ho\u1eb7c d\u00f2ng \u0111i\u1ec7n c\u1ee7a thanh c\u00e1i sau khi n\u1ea1p<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c SKU \u0111\u01b0\u1eddng truy\u1ec1n ch\u00ednh HEV \/ SEV<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Contactor duy tr\u00ec t\u1eeb t\u00ednh (contactor ch\u1ed1t t\u1eeb)<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ki\u1ebfn tr\u00fac ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng ch\u1edd, m\u1ed9t ch\u1ee7 \u0111\u1ec1 kh\u00e1c<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c trang thu\u1ed9c d\u00f2ng CZW-K<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px\" id=\"part-2-why-does-inrush-current-drive-precharge-design-in-ev-dc-links\">Ph\u1ea7n 2. T\u1ea1i sao d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng (inrush current) l\u1ea1i chi ph\u1ed1i thi\u1ebft k\u1ebf m\u1ea1ch s\u1ea1c tr\u01b0\u1edbc (precharge design) trong c\u00e1c li\u00ean k\u1ebft DC c\u1ee7a xe \u0111i\u1ec7n?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1eb7t tr\u01b0\u1edbc c\u1ee7a bi\u1ebfn t\u1ea7n cung c\u1ea5p c\u00e1c \u0111i\u1ec7n dung ph\u00f3ng \u0111i\u1ec7n l\u1edbn cho \u1eafc-quy t\u1ea1i th\u1eddi \u0111i\u1ec3m k\u1ebft n\u1ed1i. Vi\u1ec7c \u0111\u00f3ng m\u1ed9t c\u00f4ng-t\u01a1 tr\u1ef1c ti\u1ebfp v\u00e0o t\u1ea3i \u0111\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t xung d\u00f2ng \u0111i\u1ec7n b\u1ecb gi\u1edbi h\u1ea1n ch\u1ee7 y\u1ebfu b\u1edfi \u0111i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p \u2014 hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n dung c\u1ed5 \u0111i\u1ec3n <a href=\"https:\/\/en.wikipedia.org\/wiki\/Inrush_current\" rel=\"nofollow noopener\" target=\"_blank\">d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng<\/a> v\u1ea5n \u0111\u1ec1.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c c\u00e2u chuy\u1ec7n th\u1ef1c t\u1ebf l\u1eb7p l\u1ea1i h\u1eadu qu\u1ea3: c\u00e1c ti\u1ebfp \u0111i\u1ec3m ch\u00ednh b\u1ecb m\u00f2n ho\u1eb7c h\u00e0n d\u00ednh sau nhi\u1ec1u l\u1ea7n k\u1ebft n\u1ed1i m\u1ea1nh li\u00ean t\u1ee5c. M\u1ed9t nh\u00e1nh n\u1ea1p tr\u01b0\u1edbc gi\u00fap ki\u1ec3m so\u00e1t hi\u1ec7n t\u01b0\u1ee3ng t\u0103ng v\u1ecdt \u0111i\u1ec7n \u00e1p b\u1eb1ng c\u00e1ch n\u1ea1p \u0111i\u1ec7n cho m\u1ea1ch li\u00ean k\u1ebft th\u00f4ng qua m\u1ed9t \u0111i\u1ec7n tr\u1edf tr\u01b0\u1edbc, do \u0111\u00f3 contactor ch\u00ednh s\u1ebd \u0111\u00f3ng m\u1ea1ch \u1edf m\u1ee9c ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p nh\u1ecf thay v\u00ec qua m\u1ed9t t\u1ee5 \u0111i\u1ec7n \u0111\u00e3 x\u1ea3 c\u1ea1n.<\/p>\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\">Th\u00f4ng tin thi\u1ebft k\u1ebf<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">H\u1eadu qu\u1ea3 kh\u00f4ng c\u1ea7n n\u1ea1p tr\u01b0\u1edbc<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">C\u00e2u tr\u1ea3 l\u1eddi s\u1ea1c tr\u01b0\u1edbc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1ea1ch li\u00ean k\u1ebft DC b\u1eaft \u0111\u1ea7u x\u1ea3 \u0111i\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">K\u1ebft n\u1ed1i c\u00e1c ti\u1ebfp \u0111i\u1ec3m ch\u1ecbu \u1ee9ng su\u1ea5t xung \u0111\u1ec9nh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Li\u00ean k\u1ebft n\u1ea1p tr\u01b0\u1edbc khi \u0111\u00f3ng ch\u00ednh<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u1ec9nh ch\u1ec9 b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi \u0111i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0102n m\u00f2n, h\u00e0n, l\u1ed7i phi\u1ec1n to\u00e1i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00f2ng s\u1ea1c gi\u1edbi h\u1ea1n b\u1eb1ng \u0111i\u1ec7n tr\u1edf<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u1ed1 l\u1ea7n k\u1ebft n\u1ed1i l\u1ea1i m\u1ed7i ng\u00e0y<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u00e1t th\u01b0\u01a1ng va ch\u1ea1m t\u00edch l\u0169y<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chu\u1ed7i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 l\u1eb7p l\u1ea1i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px\" id=\"part-3-how-does-a-precharge-contactor-work-beside-the-main-contactor\">Ph\u1ea7n 3. Contactor ti\u1ec1n s\u1ea1c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o b\u00ean c\u1ea1nh contactor ch\u00ednh?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u00f4 h\u00ecnh l\u00e0m vi\u1ec7c l\u00e0 m\u1ed9t tr\u00ecnh t\u1ef1 ba b\u01b0\u1edbc thu\u1ed9c quy\u1ec1n ki\u1ec3m so\u00e1t c\u1ee7a BMS ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n xe. C\u00e1c chi ti\u1ebft v\u1ec1 th\u1ee9 t\u1ef1 c\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong ph\u1ea7n tr\u1ef1c ti\u1ebfp <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/hv-battery-contactors-precharge-main-connect-sequencing\/\">Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n v\u1ec1 tr\u00ecnh t\u1ef1 k\u1ebft n\u1ed1i d\u00f2ng s\u1ea1c s\u01a1 b\u1ed9 v\u00e0 d\u00f2ng ch\u00ednh<\/a> h\u01b0\u1edbng d\u1eabn, v\u00ec v\u1eady b\u00e0i vi\u1ebft n\u00e0y gi\u1eef nguy\u00ean giao di\u1ec7n thi\u1ebft b\u1ecb.<\/p>\n<ol style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">\u0110\u00f3ng contactor ch\u00ednh \u00e2m v\u00e0 contactor ti\u1ec1n s\u1ea1c; d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua \u0111i\u1ec7n tr\u1edf ti\u1ec1n s\u1ea1c.<\/li>\n<li style=\"margin:0 0 8px\">Theo d\u00f5i \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1eddng li\u00ean k\u1ebft cho \u0111\u1ebfn khi \u0111\u1ea1t ti\u00eau chu\u1ea9n s\u1ea1c c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li style=\"margin:0 0 8px\">\u0110\u00f3ng c\u00f4ng t\u1eafc t\u01a1 ch\u00ednh d\u01b0\u01a1ng, sau \u0111\u00f3 m\u1edf nh\u00e1nh n\u1ea1p tr\u01b0\u1edbc, nh\u00e1nh n\u00e0y tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i ngh\u1ec9.<\/li>\n<\/ol>\n<p style=\"margin:0 0 16px;line-height:1.7\">Hai h\u1ec7 qu\u1ea3 \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c r\u00fat ra. C\u00f4ng t\u1eafc t\u01a1 ti\u1ec1n s\u1ea1c ch\u1ecbu d\u00f2ng \u0111i\u1ec7n th\u1ea5p h\u01a1n, \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n b\u1edfi \u0111i\u1ec7n tr\u1edf nh\u01b0ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u1ea5p \u0111i\u1ec7n \u00e1p c\u1ee7a thanh c\u00e1i, v\u00e0 n\u00f3 t\u00edch l\u0169y m\u1ed9t l\u1ea7n thao t\u00e1c cho m\u1ed7i chu k\u1ef3 k\u1ebft n\u1ed1i, do \u0111\u00f3 c\u00e1c th\u00f4ng s\u1ed1 v\u1ec1 tu\u1ed5i th\u1ecd \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 c\u1ee7a n\u00f3 quan tr\u1ecdng kh\u00f4ng k\u00e9m d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a n\u00f3. Nhi\u1ec7m v\u1ee5 \u0111\u1eb7c th\u00f9 c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb ch\u00ednh \u0111\u01b0\u1ee3c so s\u00e1nh trong <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/ev-contactor-vs-standard-dc-contactor-traction-auxiliaries\/\">Contactor EV so v\u1edbi contactor DC ti\u00eau chu\u1ea9n<\/a>.<\/p>\n<h2 style=\"margin:42px 0 14px\" id=\"part-4-which-published-hev-fields-matter-for-precharge-and-inrush-duty\">Ph\u1ea7n 4. Nh\u1eefng tr\u01b0\u1eddng h\u1ee3p HEV n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 l\u00e0 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nhi\u1ec7m v\u1ee5 s\u1ea1c tr\u01b0\u1edbc v\u00e0 d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">H\u1ec7 th\u1ed1ng m\u00e3 HEV c\u00f4ng b\u1ed1 c\u00e1c c\u1ea5p \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c ti\u1ebfp \u0111i\u1ec3m c\u1ee7a <strong>1 -200V; 7 -1000V<\/strong>, \u0111\u00e2y l\u00e0 tr\u01b0\u1eddng \u0111\u1ea7u ti\u00ean kh\u1edbp v\u1edbi bus. Ngo\u00e0i ra, c\u00e1c l\u1edbp nh\u1ecf v\u00e0 trung b\u00ecnh c\u00f4ng b\u1ed1 c\u00e1c h\u00e0ng c\u1ee7a c\u00e1c cu\u1ed9c ki\u1ec3m to\u00e1n thi\u1ebft k\u1ebf n\u1ea1p tr\u01b0\u1edbc.<\/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=\"G\u00f3c nh\u00ecn th\u01b0 vi\u1ec7n ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n \u00e1p cao m\u1ed9t chi\u1ec1u k\u00edn HEV150 d\u00e0nh cho ki\u1ec3m tra khoang cu\u1ed9n d\u00e2y v\u00e0 h\u1ea1ng xe bu\u00fdt\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/hev150ah_s1-2.webp\" \/><\/figure>\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\">Tr\u01b0\u1eddng \u0111\u00e3 xu\u1ea5t b\u1ea3n<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">HEV30<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">HEV100<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">HEV150<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c c\u1ea5p \u0111i\u1ec7n \u00e1p ti\u1ebfp x\u00fac<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">200 V, 1000 V<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">200 V, 1000 V<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">200 V, 1000 V<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00f2ng t\u1ea3i (DC-1)<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">30 A<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">100 A<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">150 A<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n cu\u1ed9n d\u00e2y<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110: 3\u20137; H: B\u1eaft \u0111\u1ea7u 3\u20137, Gi\u1eef 0,5\u20131,5<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D: 4\u201310; H: B\u1eaft \u0111\u1ea7u 4\u201310, Duy tr\u00ec 0,5\u20132<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D: 4\u201310; H: B\u1eaft \u0111\u1ea7u 4\u201310, Duy tr\u00ec 0,5\u20132<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Th\u1eddi gian d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng (t\u1ed1i \u0111a)<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">130 mili-gi\u00e2y<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">130 mili-gi\u00e2y<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">130 mili-gi\u00e2y<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3o v\u1ec7 \/ M\u00f4i tr\u01b0\u1eddng xung quanh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">IP68 \/ -40 \u0111\u1ebfn +85 C<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">IP68 \/ -40 \u0111\u1ebfn +85 C<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">IP68 \/ -40 \u0111\u1ebfn +85 C<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tu\u1ed5i th\u1ecd \u0111i\u1ec7n \/ c\u01a1 h\u1ecdc<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">20.000 \/ 300.000 l\u1ea7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">20.000 \/ 300.000 l\u1ea7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">20.000 \/ 300.000 l\u1ea7n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ecdc h\u00e0ng th\u1eddi gian d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng nh\u01b0 m\u1ed9t ranh gi\u1edbi thi\u1ebft b\u1ecb \u0111\u00e3 c\u00f4ng b\u1ed1 cho c\u00e1c c\u1eeda s\u1ed5 d\u00f2ng \u0111i\u1ec7n b\u1ea5t th\u01b0\u1eddng, ch\u1ee9 kh\u00f4ng ph\u1ea3i nh\u01b0 m\u1ed9t gi\u1ea5y ph\u00e9p \u0111\u1ec3 b\u1ecf qua \u0111i\u1ec7n tr\u1edf. B\u1ea3n th\u00e2n c\u1ea5u h\u00ecnh s\u1ea1c l\u00e0 m\u1ed9t t\u00ednh to\u00e1n h\u1ec7 th\u1ed1ng do nh\u00e0 thi\u1ebft k\u1ebf ch\u1ecbu tr\u00e1ch nhi\u1ec7m.<\/p>\n<h2 style=\"margin:42px 0 14px\" id=\"part-5-which-option-codes-relate-to-precharge-and-capacitive-loads\">Ph\u1ea7n 5. Nh\u1eefng m\u00e3 t\u00f9y ch\u1ecdn n\u00e0o li\u00ean quan \u0111\u1ebfn t\u1ea3i \u0111i\u1ec7n dung v\u00e0 d\u00f2ng n\u1ea1p s\u01a1 b\u1ed9?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c b\u1ea3ng h\u1ec7 qu\u1ea3 m\u00f4 h\u00ecnh \u0111\u00e3 xu\u1ea5t b\u1ea3n ch\u1ee9a hai m\u00e3 t\u00f9y ch\u1ecdn c\u1ea7n bi\u1ebft trong c\u00f4ng vi\u1ec7c n\u1ea1p tr\u01b0\u1edbc. Ch\u00fang l\u00e0 c\u00e1c d\u00f2ng m\u00e3, kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c linh ki\u1ec7n c\u00f3 k\u00edch th\u01b0\u1edbc, v\u00ec v\u1eady h\u00e3y tr\u00edch d\u1eabn ch\u00fang ch\u1ec9 nh\u01b0 t\u1eeb v\u1ef1ng \u0111\u1eb7t h\u00e0ng.<\/p>\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\">M\u00e3 t\u00f9y ch\u1ecdn \u0111\u00e3 xu\u1ea5t b\u1ea3n<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">N\u01a1i n\u00f3 xu\u1ea5t hi\u1ec7n<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Trang web n\u00f3i g\u00ec<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">R<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3ng m\u00e3 h\u1ecd CZW<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">V\u1edbi \u0111i\u1ec7n tr\u1edf n\u1ea1p tr\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">V<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3ng m\u00e3 HEV \/ SEV<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">V\u1edbi t\u1ea3i d\u1ea1ng \u0111i\u1ec7n dung<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">N<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3ng m\u00e3 HEV \/ SEV<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kh\u00f4ng c\u00f3 ph\u00e2n c\u1ef1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">K\u1ef7 lu\u1eadt \u0111\u1eb7t h\u00e0ng tu\u00e2n theo quy \u0111\u1ecbnh: n\u1ebfu m\u1ed9t thi\u1ebft k\u1ebf s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 t\u00f9y ch\u1ecdn n\u00e0o trong s\u1ed1 \u0111\u00f3, Y\u00eau c\u1ea7u B\u00e1o gi\u00e1 (RFQ) ph\u1ea3i ghi r\u00f5 m\u00e3 \u0111\u1ea7y \u0111\u1ee7 v\u00e0 y\u00eau c\u1ea7u b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt x\u00e1c nh\u1eadn c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c giao, v\u00ec c\u00e1c b\u1ea3ng c\u00f4ng khai li\u1ec7t k\u00ea m\u00e3 m\u00e0 kh\u00f4ng k\u00e8m theo gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf ho\u1eb7c gi\u1edbi h\u1ea1n \u0111i\u1ec7n dung.<\/p>\n<h2 style=\"margin:42px 0 14px\" id=\"part-6-which-sayoon-models-anchor-a-precharge-rfq-under-the-hev-pillar\">Ph\u1ea7n 6. Nh\u1eefng m\u1eabu SAYOON n\u00e0o neo gi\u1eef m\u1ed9t RFQ ti\u1ec1n s\u1ea1c d\u01b0\u1edbi tr\u1ee5 c\u1ed9t HEV?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>G\u1ee3i \u00fd s\u1ea3n ph\u1ea9m:<\/strong> neo nh\u00e1nh n\u1ea1p tr\u01b0\u1edbc v\u00e0o <a href=\"https:\/\/sayoon-dc.com\/vi\/product\/hev30-high-voltage-epoxy-resin-sealed-dc-contactor\/\">Contactor DC ni\u00eam phong b\u1eb1ng nh\u1ef1a epoxy \u0111i\u1ec7n \u00e1p cao HEV30<\/a> khi nh\u00e1nh ph\u00f9 h\u1ee3p v\u1edbi ph\u00e2n lo\u1ea1i DC-1 30 A \u0111\u00e3 c\u00f4ng b\u1ed1 c\u1ee7a n\u00f3 v\u00e0 thanh c\u00e1i kh\u1edbp v\u1edbi m\u00e3 200 V ho\u1eb7c 1000 V \u0111\u00e3 c\u00f4ng b\u1ed1. Gh\u00e9p n\u1ed1i n\u00f3 v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01b0\u1eddng ch\u00ednh ch\u1eb3ng h\u1ea1n nh\u01b0 <a href=\"https:\/\/sayoon-dc.com\/vi\/product\/hev100-high-voltage-epoxy-resin-sealed-dc-contactor\/\">Contactor \u0111i\u1ec7n m\u1ed9t chi\u1ec1u ni\u00eam phong b\u1eb1ng nh\u1ef1a epoxy \u0111i\u1ec7n \u00e1p cao HEV100<\/a> \u0111\u01b0\u1ee3c ki\u1ec3m to\u00e1n tr\u00ean c\u00e1c d\u00f2ng c\u1ee7a ch\u00ednh n\u00f3.<\/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=\"Contactor DC cao \u00e1p k\u00edn HEV100 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb l\u00e0m c\u1eb7p \u0111\u01b0\u1eddng ch\u00ednh trong c\u00e1c RFQ ti\u1ec1n n\u1ea1p\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/hev100ad_s1-1-2.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>T\u1ea1i sao kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c d\u00f2ng kh\u00e1c ch\u01b0a c\u00f3 \u0111\u00e1nh gi\u00e1:<\/strong> HEV150 v\u00e0 c\u00e1c d\u00f2ng l\u1edbn h\u01a1n thu\u1ed9c v\u1ec1 c\u00e1c \u0111\u01b0\u1eddng ch\u00ednh ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1c nh\u00e1nh d\u00f2ng s\u1ea1c s\u01a1 b\u1ed9 trong h\u1ea7u h\u1ebft c\u00e1c ki\u1ebfn tr\u00fac; m\u00e3 SEV ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a theo h\u1ecd \u0111\u00f3; v\u00e0 kh\u00f4ng n\u00ean m\u1eb7c \u0111\u1ecbnh b\u1ea5t k\u1ef3 SKU n\u00e0o c\u00f3 ch\u1ee9a \u0111i\u1ec7n tr\u1edf s\u1ea1c s\u01a1 b\u1ed9 b\u00ean trong ngo\u00e0i d\u00f2ng m\u00e3 t\u00f9y ch\u1ecdn \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 c\u1ee7a n\u00f3.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Kh\u1edbp \u0111\u01b0\u1eddng bi\u00ean<\/strong> Contactor ti\u1ec1n s\u1ea1c kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb k\u00e9o ch\u00ednh, kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 thay th\u1ebf cho m\u1ed9t \u0111i\u1ec7n tr\u1edf ti\u1ec1n s\u1ea1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00fang k\u1ef9 thu\u1eadt, v\u00e0 kh\u00f4ng c\u00f3 hi\u1ec7u l\u1ef1c ngo\u00e0i c\u1ea5p \u0111i\u1ec7n \u00e1p v\u00e0 c\u00e1c d\u00e3y d\u00f2ng \u0111i\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 c\u1ee7a n\u00f3. Logic l\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng ng\u1eaft r\u1ed9ng h\u01a1n n\u1eb1m \u1edf <a href=\"https:\/\/sayoon-dc.com\/vi\/trang-nhat-ky-dien-tu\/hv-contactor-selection-guide-ev-battery-disconnect\/\">L\u1ef1a ch\u1ecdn Contactor cao \u00e1p \u0111\u1ec3 ng\u1eaft k\u1ebft n\u1ed1i pin<\/a>.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ec3 x\u00e1c nh\u1eadn qu\u00e1 tr\u00ecnh gh\u00e9p \u0111\u00f4i, <a href=\"https:\/\/sayoon-dc.com\/vi\/contact-us\/\">g\u1eedi cho t\u00f4i ghi ch\u00fa v\u1ec1 DC-link v\u00e0 precharge c\u1ee7a b\u1ea1n<\/a> v\u1edbi c\u1ea5p \u0111i\u1ec7n \u00e1p bus, \u0111i\u1ec7n dung, d\u00f2ng \u0111i\u1ec7n nh\u00e1nh v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn cu\u1ed9n d\u00e2y.<\/p>\n<h2 style=\"margin:42px 0 14px\" id=\"part-7-what-precharge-design-mistakes-damage-ev-dc-paths\">Ph\u1ea7n 7. Nh\u1eefng l\u1ed7i thi\u1ebft k\u1ebf d\u00f2ng \u0111i\u1ec7n ti\u00ean kh\u1edfi n\u00e0o l\u00e0m h\u1ecfng c\u00e1c \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC) c\u1ee7a xe \u0111i\u1ec7n?<\/h2>\n<ol style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">B\u1ecf qua ho\u00e0n to\u00e0n nh\u00e1nh s\u1ea1c tr\u01b0\u1edbc v\u00e0 \u0111\u1ea5u n\u1ed1i c\u1ee9ng c\u00f4ng-t\u01a1-t\u1eafc ch\u00ednh v\u00e0o m\u1ed9t li\u00ean k\u1ebft \u0111\u00e3 x\u1ea3 \u0111i\u1ec7n.<\/li>\n<li style=\"margin:0 0 8px\">Vi\u1ec7c ch\u1ec9 ch\u1ecdn thi\u1ebft b\u1ecb s\u1ea1c s\u01a1 b\u1ed9 d\u1ef1a tr\u00ean d\u00f2ng \u0111i\u1ec7n m\u00e0 b\u1ecf qua ph\u00e2n lo\u1ea1i \u0111i\u1ec7n \u00e1p 200 V so v\u1edbi 1000 V.<\/li>\n<li style=\"margin:0 0 8px\">Gi\u1ea3 s\u1eed m\u00e3 kh\u1edfi \u0111\u1ed9ng t\u1eeb v\u1edbi t\u00f9y ch\u1ecdn R x\u00e1c \u0111\u1ecbnh \u0111i\u1ec7n tr\u1edf v\u00e0 c\u00f4ng su\u1ea5t \u2014 c\u00e1c b\u1ea3ng c\u00f4ng b\u1ed1 m\u00e3, kh\u00f4ng ph\u1ea3i c\u00e1c gi\u00e1 tr\u1ecb.<\/li>\n<li style=\"margin:0 0 8px\">B\u1ecf qua s\u1ed1 l\u1ea7n thao t\u00e1c m\u00e0 c\u00e1c thi\u1ebft b\u1ecb n\u1ea1p tr\u01b0\u1edbc t\u00edch l\u0169y \u0111\u01b0\u1ee3c tr\u00ean m\u1ed7i chu k\u1ef3 k\u1ebft n\u1ed1i.<\/li>\n<li style=\"margin:0 0 8px\">Xem chu\u1ed7i th\u1eddi gian d\u00f2ng kh\u1edfi \u0111\u1ed9ng \u0111\u00e3 c\u00f4ng b\u1ed1 l\u00e0 s\u1ef1 cho ph\u00e9p th\u00e1o \u0111i\u1ec7n tr\u1edf.<\/li>\n<li style=\"margin:0 0 8px\">Gi\u1eef nh\u00e1nh n\u1ea1p s\u01a1 b\u1ed9 \u0111\u00f3ng song song v\u1edbi nh\u00e1nh ch\u00ednh sau khi k\u1ebft n\u1ed1i.<\/li>\n<li style=\"margin:0 0 8px\">S\u1eed d\u1ee5ng l\u1ea1i t\u1eeb v\u1ef1ng gi\u1eef b\u1eb1ng nam ch\u00e2m cho nhi\u1ec7m v\u1ee5 s\u1ea1c tr\u01b0\u1edbc v\u00e0 \u0111\u1eb7t h\u00e0ng nh\u1ea7m ki\u1ebfn tr\u00fac.<\/li>\n<\/ol>\n<h2 style=\"margin:42px 0 14px\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<ol style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Inrush_current\" rel=\"nofollow noopener\" target=\"_blank\">D\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng \u2014 Wikipedia<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Electric_vehicle_battery\" rel=\"nofollow noopener\" target=\"_blank\">Pin \u00f4 t\u00f4 \u0111i\u1ec7n \u2014 Wikipedia<\/a><\/li>\n<\/ol>\n<h2 style=\"margin:42px 0 14px\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3 style=\"margin:28px 0 12px\">Kh\u1edfi \u0111\u1ed9ng t\u1eeb tr\u01b0\u1edbc (pre-magnetic contactor)<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u00e2y l\u00e0 danh s\u00e1ch t\u1eeb v\u1ef1ng d\u00e0nh cho c\u00f4ng-t\u01a1-n\u00e9t ti\u1ec1n s\u1ea1c: c\u00f4ng-t\u01a1-n\u00e9t \u0111i\u1ec7n \u00e1p cao m\u1ed9t chi\u1ec1u (HV DC) nh\u1ecf \u0111\u00f3ng tr\u01b0\u1edbc th\u00f4ng qua \u0111\u01b0\u1eddng \u0111i\u1ec7n tr\u1edf \u0111\u1ec3 \u0111i\u1ec7n dung c\u1ee7a li\u00ean k\u1ebft m\u1ed9t chi\u1ec1u \u0111\u01b0\u1ee3c s\u1ea1c tr\u01b0\u1edbc khi c\u00f4ng-t\u01a1-n\u00e9t ch\u00ednh mang t\u1ea3i thanh c\u00e1i.<\/p>\n<h3 style=\"margin:28px 0 12px\">C\u00f4ng t\u1eafc t\u01a1 ti\u1ec1n s\u1ea1c trong xe \u0111i\u1ec7n (EV) c\u00f3 t\u00e1c d\u1ee5ng g\u00ec?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">N\u00f3 gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng. Vi\u1ec7c \u0111\u00f3ng n\u00f3 qua \u0111i\u1ec7n tr\u1edf s\u1ea1c tr\u01b0\u1edbc s\u1ebd n\u1ea1p \u0111i\u1ec7n cho m\u1ea1ch li\u00ean k\u1ebft DC c\u1ee7a bi\u1ebfn t\u1ea7n d\u01b0\u1edbi d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, do \u0111\u00f3 contactor ch\u00ednh sau \u0111\u00f3 s\u1ebd \u0111\u00f3ng l\u1ea1i qua m\u1ed9t ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p nh\u1ecf.<\/p>\n<h3 style=\"margin:28px 0 12px\">Chuy\u1ec7n g\u00ec x\u1ea3y ra n\u1ebfu qu\u00e1 tr\u00ecnh s\u1ea1c tr\u01b0\u1edbc b\u1ecb b\u1ecf qua ho\u1eb7c kh\u00f4ng th\u00e0nh c\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Contactor ch\u00ednh k\u1ebft n\u1ed1i m\u1ed9t \u0111i\u1ec7n dung \u0111\u00e3 x\u1ea3 tr\u1ef1c ti\u1ebfp v\u00e0o \u1eafc quy, v\u00e0 \u0111\u1ec9nh d\u00f2ng \u0111i\u1ec7n k\u1ebft qu\u1ea3 l\u00e0m m\u00f2n ho\u1eb7c h\u00e0n d\u00ednh c\u00e1c ti\u1ebfp \u0111i\u1ec3m qua c\u00e1c chu k\u1ef3 l\u1eb7p l\u1ea1i \u2014 c\u00e2u chuy\u1ec7n l\u1ed7i th\u1ef1c t\u1ebf ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y.<\/p>\n<h3 style=\"margin:28px 0 12px\">C\u00f4ng t\u1eafc t\u01a1 ti\u1ec1n s\u1ea1c kh\u00e1c v\u1edbi c\u00f4ng t\u1eafc t\u01a1 ch\u00ednh nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Thi\u1ebft b\u1ecb n\u1ea1p tr\u01b0\u1edbc d\u1eabn \u0111i\u1ec7n trong th\u1eddi gian ng\u1eafn qua m\u1ed9t \u0111i\u1ec7n tr\u1edf \u1edf d\u00f2ng \u0111i\u1ec7n th\u1ea5p h\u01a1n nh\u01b0ng ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p c\u1ea5p thanh c\u00e1i \u0111\u1ea7y \u0111\u1ee7; thi\u1ebft b\u1ecb ch\u00ednh mang d\u00f2ng \u0111i\u1ec7n k\u00e9o ho\u1eb7c d\u00f2ng \u0111i\u1ec7n thanh c\u00e1i li\u00ean t\u1ee5c. M\u1ed7i thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m to\u00e1n tr\u00ean c\u00e1c h\u00e0ng \u0111\u00e3 c\u00f4ng b\u1ed1 c\u1ee7a ri\u00eang m\u00ecnh.<\/p>\n<h3 style=\"margin:28px 0 12px\">C\u00e1c tr\u01b0\u1eddng HEV n\u00e0o n\u00ean \u0111\u01b0\u1ee3c b\u00e1o gi\u00e1 trong RFQ n\u1ea1p tr\u01b0\u1edbc?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tr\u00edch d\u1eabn m\u00e3 lo\u1ea1i \u0111i\u1ec7n \u00e1p ti\u1ebfp \u0111i\u1ec3m (200 V ho\u1eb7c 1000 V), d\u00f2ng \u0111i\u1ec7n DC-1, \u0111\u01b0\u1eddng d\u00e2y ngu\u1ed3n cu\u1ed9n d\u00e2y, h\u00e0ng th\u1eddi gian d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng, c\u00e1c h\u00e0ng IP v\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, v\u00e0 c\u00e1c s\u1ed1 li\u1ec7u tu\u1ed5i th\u1ecd \u2014 t\u1ea5t c\u1ea3 \u0111\u1ec1u t\u1eeb trang SKU ch\u00ednh x\u00e1c.<\/p>\n<h3 style=\"margin:28px 0 12px\">SAYOON c\u00f3 c\u00f4ng b\u1ed1 gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf n\u1ea1p tr\u01b0\u1edbc kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. C\u00e1c b\u1ea3ng m\u00e3 c\u00f4ng c\u1ed9ng li\u1ec7t k\u00ea t\u00f9y ch\u1ecdn R l\u00e0 c\u00f3 \u0111i\u1ec7n tr\u1edf s\u1ea1c tr\u01b0\u1edbc v\u00e0 t\u00f9y ch\u1ecdn V l\u00e0 c\u00f3 lo\u1ea1i t\u1ea3i \u0111i\u1ec7n dung, kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf, v\u00ec v\u1eady c\u00e1c y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) ph\u1ea3i y\u00eau c\u1ea7u b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt x\u00e1c nh\u1eadn c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c giao.<\/p>\n<h3 style=\"margin:28px 0 12px\">Danh s\u00e1ch r\u00fat g\u1ecdn ti\u1ec1n s\u1ea1c xe \u0111i\u1ec7n n\u00ean b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u tr\u00ean trang web n\u00e0y?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1eaft \u0111\u1ea7u t\u1eeb tr\u1ee5 d\u00f2ng HEV, kh\u1edbp v\u1edbi d\u1ea3i \u0111i\u1ec7n \u00e1p v\u00e0 c\u00e1c h\u00e0ng d\u00f2ng \u0111i\u1ec7n \u0111\u00e3 c\u00f4ng b\u1ed1, sau \u0111\u00f3 g\u1eedi th\u00f4ng tin chi ti\u1ebft v\u1ec1 li\u00ean k\u1ebft DC qua trang li\u00ean h\u1ec7 \u0111\u1ec3 x\u00e1c nh\u1eadn.<\/p>","protected":false},"excerpt":{"rendered":"<p>A pre magnetic contactor in EV vocabulary is the precharge (pre-charging) contactor: a small sealed HV DC contactor that closes first through a precharge path so the DC-link capacitance charges under controlled current, and only then does the main contactor close \u2014 limiting inrush that would otherwise erode or weld main contacts, with device choices [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1381,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2665","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}},"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/posts\/2665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/comments?post=2665"}],"version-history":[{"count":1,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/posts\/2665\/revisions"}],"predecessor-version":[{"id":2682,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/posts\/2665\/revisions\/2682"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/media\/1381"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/media?parent=2665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/categories?post=2665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/vi\/wp-json\/wp\/v2\/tags?post=2665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}