{"id":3317,"date":"2025-12-09T05:50:25","date_gmt":"2025-12-08T21:50:25","guid":{"rendered":"https:\/\/www.pandaexo.com\/troubleshooting-a-3-phase-uncontrolled-bridge-rectifier-in-ev-infrastructure\/"},"modified":"2026-04-01T11:18:47","modified_gmt":"2026-04-01T03:18:47","slug":"troubleshooting-a-3-phase-uncontrolled-bridge-rectifier-in-ev-infrastructure","status":"publish","type":"post","link":"https:\/\/www.pandaexo.com\/vi\/troubleshooting-a-3-phase-uncontrolled-bridge-rectifier-in-ev-infrastructure\/","title":{"rendered":"Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 B\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u kh\u00f4ng \u0111i\u1ec1u khi\u1ec3n 3 pha trong C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng Xe \u0111i\u1ec7n"},"content":{"rendered":"<p>Khi m\u1ed9t b\u1ed9 s\u1ea1c EV th\u01b0\u01a1ng m\u1ea1i b\u1eaft \u0111\u1ea7u gi\u1ea3m c\u00f4ng su\u1ea5t, ng\u1eaft b\u1ea3o v\u1ec7 ho\u1eb7c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi t\u1ea3i, t\u1ea7ng ch\u1ec9nh l\u01b0u l\u00e0 m\u1ed9t trong nh\u1eefng n\u01a1i \u0111\u1ea7u ti\u00ean m\u00e0 c\u00e1c k\u1ef9 s\u01b0 c\u00f3 kinh nghi\u1ec7m ki\u1ec3m tra. Trong c\u00e1c h\u1ec7 th\u1ed1ng s\u1ea1c c\u00f4ng su\u1ea5t cao, m\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u ba pha kh\u00f4ng \u0111i\u1ec1u khi\u1ec3n l\u00e0 c\u1eeda ng\u00f5 \u0111\u1ea7u ti\u00ean c\u1ee7a qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i AC sang DC. N\u1ebfu t\u1ea7ng n\u00e0y tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh, ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a chu\u1ed7i ngu\u1ed3n s\u1ebd k\u1ebf th\u1eeba v\u1ea5n \u0111\u1ec1.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh tr\u1ea1m s\u1ea1c, \u0111\u1ed9i ng\u0169 EPC, \u0111\u1ed1i t\u00e1c OEM v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 b\u1ea3o tr\u00ec, vi\u1ec7c x\u1eed l\u00fd s\u1ef1 c\u1ed1 ch\u1ec9nh l\u01b0u kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t b\u00e0i t\u1eadp v\u1ec1 \u0111i\u1ec7n. N\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng, chi ph\u00ed d\u1ecbch v\u1ee5 hi\u1ec7n tr\u01b0\u1eddng, k\u1ebf ho\u1ea1ch d\u1ef1 ph\u00f2ng linh ki\u1ec7n v\u00e0 b\u1ea3o v\u1ec7 doanh thu t\u1ea1i tr\u1ea1m. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 ch\u1ec9nh l\u01b0u, c\u00e1ch l\u1ed7i th\u01b0\u1eddng bi\u1ec3u hi\u1ec7n trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng EV v\u00e0 c\u00e1ch ch\u1ea9n \u0111o\u00e1n l\u1ed7i m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng.<\/p>\n<h3>B\u1ed9 Ch\u1ec9nh L\u01b0u \u0110ang L\u00e0m G\u00ec B\u00ean Trong B\u1ed9 S\u1ea1c<\/h3>\n<p>M\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u ba pha kh\u00f4ng \u0111i\u1ec1u khi\u1ec3n s\u1eed d\u1ee5ng s\u00e1u diode \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp trong m\u1ed9t c\u1ea7u s\u00e1u xung. C\u00f4ng vi\u1ec7c c\u1ee7a n\u00f3 l\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u00f2ng AC ba pha \u0111\u1ea7u v\u00e0o th\u00e0nh d\u00f2ng DC nh\u1ea5p nh\u00f4 cho t\u1ea7ng c\u00f4ng su\u1ea5t ph\u00eda sau. V\u00ec n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n, \u0111\u1ea7u ra ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1eb7c t\u00ednh c\u1ee7a ngu\u1ed3n cung c\u1ea5p AC, t\u00ecnh tr\u1ea1ng linh ki\u1ec7n, m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t v\u00e0 t\u1ea3i.<\/p>\n<p>Trong m\u1ed9t b\u1ed9 s\u1ea1c EV, t\u1ea7ng n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec bus DC ph\u1ee5 thu\u1ed9c v\u00e0o n\u00f3. N\u1ebfu b\u1ed9 ch\u1ec9nh l\u01b0u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, b\u1ed9 s\u1ea1c v\u1eabn c\u00f3 th\u1ec3 kh\u1edfi \u0111\u1ed9ng, nh\u01b0ng th\u01b0\u1eddng tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh khi c\u00f3 nhu c\u1ea7u s\u1ea1c th\u1ef1c t\u1ebf.<\/p>\n<p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cho th\u1ea5y t\u1ea1i sao t\u1ea7ng n\u00e0y l\u1ea1i quan tr\u1ecdng v\u1ec1 m\u1eb7t v\u1eadn h\u00e0nh.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Ch\u1ee9c N\u0103ng C\u1ee7a B\u1ed9 Ch\u1ec9nh L\u01b0u<\/th>\n<th>\u00dd Ngh\u0129a Trong S\u1ea1c EV<\/th>\n<th>\u0110i\u1ec1u G\u00ec X\u1ea3y Ra N\u1ebfu N\u00f3 Suy Gi\u1ea3m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Chuy\u1ec3n \u0111\u1ed5i AC ba pha th\u00e0nh DC<\/td>\n<td>Cung c\u1ea5p cho bus DC \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i ph\u00eda sau v\u00e0 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c<\/td>\n<td>B\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 m\u1ea5t \u1ed5n \u0111\u1ecbnh \u0111\u1ea7u ra ho\u1eb7c kh\u00f4ng th\u1ec3 b\u1eaft \u0111\u1ea7u phi\u00ean s\u1ea1c<\/td>\n<\/tr>\n<tr>\n<td>Chia s\u1ebb d\u00f2ng \u0111i\u1ec7n qua s\u00e1u diode<\/td>\n<td>Duy tr\u00ec d\u1eabn \u0111i\u1ec7n c\u00e2n b\u1eb1ng tr\u00ean c\u1ea7u<\/td>\n<td>D\u00f2ng \u0111i\u1ec7n kh\u00f4ng c\u00e2n b\u1eb1ng l\u00e0m t\u0103ng \u1ee9ng su\u1ea5t nhi\u1ec7t v\u00e0 \u0111\u1ed9 g\u1ee3n s\u00f3ng<\/td>\n<\/tr>\n<tr>\n<td>H\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng c\u00f4ng su\u1ea5t cao<\/td>\n<td>Cho ph\u00e9p s\u1ea1c li\u00ean t\u1ee5c d\u01b0\u1edbi nhu c\u1ea7u th\u01b0\u01a1ng m\u1ea1i ho\u1eb7c \u0111\u1ed9i xe<\/td>\n<td>Hi\u1ec7n t\u01b0\u1ee3ng gi\u1ea3m c\u00f4ng su\u1ea5t \u0111\u1ea7u ra, ng\u1eaft phi\u1ec1n to\u00e1i ho\u1eb7c t\u1eaft m\u00e1y c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi t\u1ea3i<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng c\u00f9ng thi\u1ebft k\u1ebf nhi\u1ec7t v\u00e0 k\u1ebft n\u1ed1i thanh c\u00e1i<\/td>\n<td>Ph\u1ee5 thu\u1ed9c v\u00e0o l\u00e0m m\u00e1t, \u0111\u1ed9 nguy\u00ean v\u1eb9n m\u00f4-men xo\u1eafn v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t<\/td>\n<td>C\u00e1c \u0111i\u1ec3m n\u00f3ng, h\u01b0 h\u1ecfng k\u1ebft n\u1ed1i v\u00e0 l\u00e3o h\u00f3a linh ki\u1ec7n s\u1edbm tr\u1edf n\u00ean d\u1ec5 x\u1ea3y ra h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>N\u1ebfu nh\u00f3m c\u1ee7a b\u1ea1n c\u1ea7n l\u00e0m m\u1edbi ki\u1ebfn th\u1ee9c r\u1ed9ng h\u01a1n v\u1ec1 ch\u00ednh giai \u0111o\u1ea1n chuy\u1ec3n \u0111\u1ed5i, h\u01b0\u1edbng d\u1eabn c\u1ee7a PandaExo v\u1ec1 <a href=\"https:\/\/www.pandaexo.com\/vi\/understanding-ac-to-dc-power-conversion-in-commercial-ev-chargers\/\">Chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n AC sang DC trong b\u1ed9 s\u1ea1c EV th\u01b0\u01a1ng m\u1ea1i<\/a> l\u00e0 m\u1ed9t t\u00e0i li\u1ec7u tham kh\u1ea3o h\u1eefu \u00edch \u0111i k\u00e8m.<\/p>\n<h3>T\u1ea1i Sao L\u1ed7i Ch\u1ec9nh L\u01b0u Quan Tr\u1ecdng H\u01a1n Trong S\u1ea1c EV Th\u01b0\u01a1ng M\u1ea1i<\/h3>\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ec9nh l\u01b0u hi\u1ebfm khi ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf m\u1ed9t s\u1ef1 ki\u1ec7n thay th\u1ebf linh ki\u1ec7n \u0111\u01a1n l\u1ebb. Trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c th\u01b0\u01a1ng m\u1ea1i, m\u1ed9t c\u1ea7u ch\u1ec9nh l\u01b0u h\u1ecfng c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t m\u1ed9t chu\u1ed7i v\u1ea5n \u0111\u1ec1 v\u1eadn h\u00e0nh r\u1ed9ng h\u01a1n:<\/p>\n<ul>\n<li>Gi\u1ea3m kh\u1ea3 n\u0103ng cung c\u1ea5p \u0111i\u1ec7n khi\u1ebfn c\u00e1c phi\u00ean s\u1ea1c l\u00e2u h\u01a1n v\u00e0 k\u00e9m d\u1ef1 \u0111o\u00e1n h\u01a1n<\/li>\n<li>C\u00e1c m\u00e3 l\u1ed7i t\u1ea1o ra c\u00e1c l\u1ea7n c\u1eed ng\u01b0\u1eddi kh\u00f4ng c\u1ea7n thi\u1ebft tr\u01b0\u1edbc khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5<\/li>\n<li>\u1ee8ng su\u1ea5t l\u1eb7p l\u1ea1i tr\u00ean t\u1ee5 \u0111i\u1ec7n, c\u00f4ng t\u1eafc t\u01a1, b\u1ed9 l\u1ecdc v\u00e0 c\u00e1c t\u1ea7ng chuy\u1ec3n \u0111\u1ed5i ph\u00eda sau<\/li>\n<li>M\u1ea5t t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a b\u1ed9 s\u1ea1c t\u1ea1i c\u00e1c tr\u1ea1m c\u00f4ng c\u1ed9ng, tr\u1ea1m \u0111\u1ed9i xe, n\u01a1i l\u00e0m vi\u1ec7c ho\u1eb7c b\u00e3i \u0111\u1ed7<\/li>\n<\/ul>\n<p>Trong c\u00e1c tri\u1ec3n khai s\u1ea1c <a href=\"https:\/\/www.pandaexo.com\/vi\/product-tag\/dc-charging-vi\/\">DC c\u00f4ng su\u1ea5t cao h\u01a1n<\/a>, h\u1eadu qu\u1ea3 th\u1eadm ch\u00ed c\u00f2n r\u00f5 r\u00e0ng h\u01a1n v\u00ec s\u1ee5t \u00e1p, g\u1ee3n s\u00f3ng v\u00e0 m\u1ea5t \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u00f4ng l\u01b0\u1ee3ng tr\u1ea1m v\u00e0 s\u1ef1 tin t\u01b0\u1edfng c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n<h3>C\u00e1c Tri\u1ec7u Ch\u1ee9ng Ph\u1ed5 Bi\u1ebfn v\u00e0 Nguy\u00ean Nh\u00e2n C\u00f3 Kh\u1ea3 N\u0103ng Cao Nh\u1ea5t<\/h3>\n<p>C\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd s\u1ef1 c\u1ed1 hi\u1ec7u qu\u1ea3 l\u00e0 \u00e1nh x\u1ea1 c\u00e1c tri\u1ec7u ch\u1ee9ng v\u1edbi c\u00e1c nguy\u00ean nh\u00e2n \u0111i\u1ec7n c\u00f3 th\u1ec3 x\u1ea3y ra tr\u01b0\u1edbc khi th\u00e1o linh ki\u1ec7n. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cung c\u1ea5p c\u00e1i nh\u00ecn ch\u1ea9n \u0111o\u00e1n ban \u0111\u1ea7u th\u1ef1c t\u1ebf.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Tri\u1ec7u Ch\u1ee9ng Quan S\u00e1t \u0110\u01b0\u1ee3c<\/th>\n<th>Nguy\u00ean Nh\u00e2n \u0110i\u1ec7n C\u00f3 Kh\u1ea3 N\u0103ng<\/th>\n<th>\u00dd Ngh\u0129a Th\u00f4ng Th\u01b0\u1eddng \u0110\u1ed1i V\u1edbi Tr\u1ea1m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ea7u ra DC th\u1ea5p h\u01a1n d\u1ef1 ki\u1ebfn<\/td>\n<td>M\u1ed9t diode h\u1edf m\u1ea1ch ho\u1eb7c d\u1eabn pha y\u1ebfu<\/td>\n<td>B\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 kh\u1edfi \u0111\u1ed9ng nh\u01b0ng cung c\u1ea5p c\u00f4ng su\u1ea5t gi\u1ea3m ho\u1eb7c v\u00e0o ch\u1ebf \u0111\u1ed9 b\u1ea3o v\u1ec7 trong phi\u00ean s\u1ea1c<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea7u ch\u00ec \u0111\u1ea7u v\u00e0o AC ch\u1ea3y ho\u1eb7c c\u1ea7u dao ng\u1eaft ngay l\u1eadp t\u1ee9c<\/td>\n<td>Diode b\u1ecb ng\u1eafn m\u1ea1ch trong c\u1ea7u<\/td>\n<td>B\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 kh\u00f4ng th\u1ec3 c\u1ea5p \u0111i\u1ec7n v\u00e0 c\u00f3 th\u1ec3 g\u00e2y \u1ee9ng su\u1ea5t th\u1ee9 c\u1ea5p cho c\u00e1c linh ki\u1ec7n ph\u00eda tr\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 g\u1ee3n s\u00f3ng DC qu\u00e1 m\u1ee9c<\/td>\n<td>Diode h\u1edf m\u1ea1ch, \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n suy gi\u1ea3m ho\u1eb7c c\u00e2n b\u1eb1ng pha k\u00e9m<\/td>\n<td>T\u0103ng nhi\u1ec7t trong t\u1ee5 \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t ph\u00eda sau<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4-\u0111un ch\u1ec9nh l\u01b0u qu\u00e1 n\u00f3ng<\/td>\n<td>K\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo, ti\u1ebfp x\u00fac nhi\u1ec7t k\u00e9m, \u0111\u01b0\u1eddng l\u00e0m m\u00e1t b\u1ecb t\u1eafc ho\u1eb7c hao m\u00f2n b\u00ean trong<\/td>\n<td>C\u00e1c l\u1ed7i l\u1eb7p l\u1ea1i, gi\u1ea3m c\u00f4ng su\u1ea5t do nhi\u1ec7t v\u00e0 tu\u1ed5i th\u1ecd linh ki\u1ec7n ng\u1eafn h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ebfng \u00f9 nghe \u0111\u01b0\u1ee3c ho\u1eb7c ti\u1ebfng \u1ed3n c\u01a1 h\u1ecdc b\u1ea5t th\u01b0\u1eddng<\/td>\n<td>M\u1ea5t c\u00e2n b\u1eb1ng pha, thi\u1ebfu pha ho\u1eb7c d\u1eabn \u0111i\u1ec7n kh\u00f4ng \u0111\u1ec1u<\/td>\n<td>H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng k\u00e9m hi\u1ec7u qu\u1ea3 trong khi t\u00edch t\u1ee5 \u1ee9ng su\u1ea5t nhi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh khi kh\u00f4ng t\u1ea3i nh\u01b0ng hi\u1ec7u su\u1ea5t k\u00e9m d\u01b0\u1edbi t\u1ea3i<\/td>\n<td>H\u1ecfng diode \u0111\u1ed9ng, k\u1ebft n\u1ed1i y\u1ebfu ho\u1eb7c h\u1ecfng h\u00f3c do nhi\u1ec7t<\/td>\n<td>B\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 tr\u00f4ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho \u0111\u1ebfn khi m\u1ed9t phi\u00ean s\u1ea1c th\u1ef1c s\u1ef1 b\u1eaft \u0111\u1ea7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Lo\u1ea1i \u00e1nh x\u1ea1 tri\u1ec7u ch\u1ee9ng n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c \u0111\u1ed9i hi\u1ec7n tr\u01b0\u1eddng c\u1ea7n quy\u1ebft \u0111\u1ecbnh xem v\u1ea5n \u0111\u1ec1 c\u00f3 kh\u1ea3 n\u0103ng n\u1eb1m \u1edf b\u1ed9 ch\u1ec9nh l\u01b0u, ngu\u1ed3n cung c\u1ea5p \u0111\u1ea7u v\u00e0o hay t\u1ea7ng chuy\u1ec3n \u0111\u1ed5i ph\u00eda sau.<\/p>\n<h3>B\u1eaft \u0110\u1ea7u V\u1edbi An To\u00e0n v\u00e0 C\u00e1ch Ly<\/h3>\n<p>Tr\u01b0\u1edbc b\u1ea5t k\u1ef3 ki\u1ec3m tra \u0111i\u1ec7n n\u00e0o, h\u00e3y c\u00e1ch ly ho\u00e0n to\u00e0n h\u1ec7 th\u1ed1ng. Thi\u1ebft b\u1ecb s\u1ea1c EV th\u01b0\u01a1ng m\u1ea1i c\u00f3 th\u1ec3 t\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng nguy hi\u1ec3m sau khi ngu\u1ed3n l\u01b0\u1edbi b\u1ecb ng\u1eaft, v\u00ec v\u1eady tr\u00ecnh t\u1ef1 x\u1eed l\u00fd s\u1ef1 c\u1ed1 ph\u1ea3i b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c x\u00e1c minh, kh\u00f4ng ph\u1ea3i gi\u1ea3 \u0111\u1ecbnh.<\/p>\n<p>S\u1eed d\u1ee5ng m\u1ed9t quy tr\u00ecnh an to\u00e0n c\u00f3 k\u1ef7 lu\u1eadt:<\/p>\n<ol>\n<li>Ng\u1eaft v\u00e0 kh\u00f3a \u0111\u1ea7u v\u00e0o AC.<\/li>\n<li>C\u00e1ch ly ph\u00eda DC theo thi\u1ebft k\u1ebf c\u1ee7a b\u1ed9 s\u1ea1c.<\/li>\n<li>\u0110\u1ec3 m\u1ea1ch li\u00ean k\u1ebft DC x\u1ea3 ho\u00e0n to\u00e0n.<\/li>\n<li>X\u00e1c minh \u0111i\u1ec7n \u00e1p b\u1eb1ng 0 b\u1eb1ng \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c ph\u00f9 h\u1ee3p.<\/li>\n<li>Tu\u00e2n theo c\u00e1c quy tr\u00ecnh PPE, truy c\u1eadp HV v\u00e0 \u1ee7y quy\u1ec1n d\u1ecbch v\u1ee5 c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m.<\/li>\n<\/ol>\n<p>C\u00e1c nh\u00f3m b\u1ecf qua b\u01b0\u1edbc n\u00e0y th\u01b0\u1eddng t\u1ea1o ra c\u00e1c l\u1ed7i th\u1ee9 c\u1ea5p trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra ho\u1eb7c \u0111o l\u01b0\u1eddng. X\u1eed l\u00fd s\u1ef1 c\u1ed1 t\u1ed1t kh\u00f4ng ch\u1ec9 l\u00e0 t\u00ecm ra l\u1ed7i ban \u0111\u1ea7u m\u00e0 c\u00f2n l\u00e0 b\u1ea3o to\u00e0n t\u00ecnh tr\u1ea1ng thi\u1ebft b\u1ecb.<\/p>\n<h3>Th\u1ef1c Hi\u1ec7n Ki\u1ec3m Tra Tr\u1ef1c Quan v\u00e0 C\u01a1 H\u1ecdc Tr\u01b0\u1edbc Ti\u00ean<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i m\u1ecdi l\u1ed7i c\u1ee7a b\u1ed9 ch\u1ec9nh l\u01b0u \u0111\u1ec1u c\u1ea7n \u0111\u1ebfn dao \u0111\u1ed9ng k\u00fd \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh. Trong nhi\u1ec1u s\u1ef1 c\u1ed1 c\u1ee7a b\u1ed9 s\u1ea1c, manh m\u1ed1i \u0111\u1ea7u ti\u00ean th\u01b0\u1eddng l\u00e0 c\u00e1c d\u1ea5u hi\u1ec7u v\u1eadt l\u00fd.<\/p>\n<p>Ki\u1ec3m tra m\u00f4-\u0111un v\u00e0 b\u1ed9 ph\u1eadn l\u1eafp r\u00e1p xung quanh \u0111\u1ec3 t\u00ecm:<\/p>\n<ul>\n<li>V\u1ecf b\u1ecdc b\u1ecb n\u1ee9t ho\u1eb7c h\u01b0 h\u1ecfng v\u1ecf ngo\u00e0i<\/li>\n<li>D\u1ea5u ch\u00e1y, \u0111\u1ed5i m\u00e0u ho\u1eb7c d\u1ea5u hi\u1ec7u ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang<\/li>\n<li>Thanh c\u00e1i l\u1ecfng l\u1ebbo ho\u1eb7c c\u00e1c \u0111\u1ea7u n\u1ed1i si\u1ebft kh\u00f4ng \u0111\u1ee7 l\u1ef1c<\/li>\n<li>B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac b\u1ecb oxy h\u00f3a ho\u1eb7c nhi\u1ec5m b\u1ea9n<\/li>\n<li>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t b\u1ecb kh\u00f4, kh\u00f4ng \u0111\u1ec1u ho\u1eb7c thi\u1ebfu<\/li>\n<li>T\u00edch t\u1ee5 b\u1ee5i ho\u1eb7c lu\u1ed3ng kh\u00f4ng kh\u00ed xung quanh t\u1ea3n nhi\u1ec7t b\u1ecb c\u1ea3n tr\u1edf<\/li>\n<li>Qu\u1ea1t h\u1ecfng ho\u1eb7c hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t suy gi\u1ea3m<\/li>\n<\/ul>\n<p>M\u1ee5c ti\u00eau \u1edf \u0111\u00e2y l\u00e0 ph\u00e2n bi\u1ec7t l\u1ed7i \u0111i\u1ec7n v\u1edbi l\u1ed7i do l\u1eafp \u0111\u1eb7t ho\u1eb7c qu\u1ea3n l\u00fd nhi\u1ec7t. Trong th\u1ef1c t\u1ebf, qu\u00e1 nhi\u1ec7t th\u01b0\u1eddng b\u1ecb \u0111\u1ed5 l\u1ed7i cho linh ki\u1ec7n trong khi nguy\u00ean nh\u00e2n th\u1ef1c s\u1ef1 l\u1ea1i l\u00e0 \u00e1p l\u1ef1c l\u1eafp \u0111\u1eb7t k\u00e9m, l\u00e0m m\u00e1t kh\u00f4ng \u0111\u1ee7 ho\u1eb7c m\u1ea5t k\u1ebft n\u1ed1i do \u0111i\u1ec7n tr\u1edf.<\/p>\n<h3>S\u1eed D\u1ee5ng Ki\u1ec3m Tra T\u0129nh \u0110\u1ec3 X\u00e1c Nh\u1eadn T\u00ecnh Tr\u1ea1ng \u0110i-\u1ed1t<\/h3>\n<p>M\u1ed9t khi h\u1ec7 th\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e1ch ly an to\u00e0n, \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng k\u1ef9 thu\u1eadt s\u1ed1 \u1edf ch\u1ebf \u0111\u1ed9 ki\u1ec3m tra \u0111i-\u1ed1t l\u00e0 c\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u1ea7u \u0111i-\u1ed1t s\u00e1u diode.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>H\u01b0\u1edbng Ki\u1ec3m Tra<\/th>\n<th>K\u1ebft Qu\u1ea3 Mong \u0110\u1ee3i<\/th>\n<th>Gi\u1ea3i Th\u00edch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u00e2n c\u1ef1c thu\u1eadn qua m\u1ed9t \u0111i-\u1ed1t kh\u1ecfe m\u1ea1nh<\/td>\n<td>C\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p r\u01a1i thu\u1eadn<\/td>\n<td>\u0110i-\u1ed1t \u0111ang d\u1eabn \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng theo h\u01b0\u1edbng d\u1ef1 \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c qua m\u1ed9t \u0111i-\u1ed1t kh\u1ecfe m\u1ea1nh<\/td>\n<td>Ch\u1ec9 b\u00e1o m\u1ea1ch h\u1edf ho\u1eb7c qu\u00e1 t\u1ea3i<\/td>\n<td>\u0110i-\u1ed1t \u0111ang ch\u1eb7n nh\u01b0 mong \u0111\u1ee3i<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ec9 s\u1ed1 g\u1ea7n b\u1eb1ng 0 \u1edf c\u1ea3 hai h\u01b0\u1edbng<\/td>\n<td>\u0110i-\u1ed1t b\u1ecb ng\u1eafn m\u1ea1ch<\/td>\n<td>M\u00f4-\u0111un c\u1ea7u b\u1ecb l\u1ed7i v\u00e0 kh\u00f4ng n\u00ean \u0111\u01b0a tr\u1edf l\u1ea1i ho\u1ea1t \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ec9 b\u00e1o h\u1edf m\u1ea1ch \u1edf c\u1ea3 hai h\u01b0\u1edbng<\/td>\n<td>\u0110i-\u1ed1t b\u1ecb h\u1edf m\u1ea1ch<\/td>\n<td>M\u1ed9t nh\u00e1nh c\u1ee7a b\u1ed9 ch\u1ec9nh l\u01b0u kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ec9 s\u1ed1 kh\u00f4ng nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng \u0111i-\u1ed1t t\u01b0\u01a1ng t\u1ef1<\/td>\n<td>Suy gi\u1ea3m m\u1ed9t ph\u1ea7n ho\u1eb7c s\u1ef1 m\u01a1 h\u1ed3 trong \u0111o l\u01b0\u1eddng<\/td>\n<td>So s\u00e1nh v\u1edbi t\u00e0i li\u1ec7u m\u00f4-\u0111un v\u00e0 ki\u1ec3m tra c\u00e1c k\u1ebft n\u1ed1i li\u00ean quan<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Trong ph\u1ea7n c\u1ee9ng s\u1ea1c EV th\u01b0\u01a1ng m\u1ea1i, vi\u1ec7c ch\u1ec9 thay th\u1ebf m\u1ed9t \u0111i-\u1ed1t h\u1ecfng b\u00ean trong m\u1ed9t b\u1ed9 c\u1ea7u \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p th\u01b0\u1eddng l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh b\u1ea3o tr\u00ec k\u00e9m. N\u1ebfu m\u00f4-\u0111un \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0 m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn \u0111\u00e3 h\u1ecfng, vi\u1ec7c thay th\u1ebf to\u00e0n b\u1ed9 c\u1ee5m ch\u1ec9nh l\u01b0u th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady h\u01a1n cho ho\u1ea1t \u0111\u1ed9ng c\u00e2n b\u1eb1ng v\u00e0 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng trong t\u01b0\u01a1ng lai.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00f3m mu\u1ed1n c\u00f3 m\u1ed9t quy tr\u00ecnh l\u00e0m vi\u1ec7c chung d\u1ef1a tr\u00ean \u0111\u1ed3ng h\u1ed3 \u0111o, b\u00e0i vi\u1ebft c\u1ee7a PandaExo v\u1ec1 <a href=\"https:\/\/www.pandaexo.com\/vi\/how-to-test-a-bridge-rectifier-with-a-multimeter\/\">ki\u1ec3m tra b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng<\/a> cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ch\u00e9o h\u1eefu \u00edch.<\/p>\n<h3>Ki\u1ec3m Tra Ngu\u1ed3n Cung C\u1ea5p \u0110\u1ea7u V\u00e0o Tr\u01b0\u1edbc Khi \u0110\u1ed5 L\u1ed7i Cho B\u1ed9 Ch\u1ec9nh L\u01b0u<\/h3>\n<p>M\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u c\u00f3 th\u1ec3 tr\u00f4ng b\u1ecb l\u1ed7i khi v\u1ea5n \u0111\u1ec1 th\u1ef1c s\u1ef1 l\u1ea1i n\u1eb1m \u1edf ph\u00eda tr\u01b0\u1edbc. Tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn thay th\u1ebf, h\u00e3y x\u00e1c minh r\u1eb1ng b\u1ed9 s\u1ea1c \u0111ang nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ea7u v\u00e0o 3 pha \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00e2n b\u1eb1ng.<\/p>\n<p>Xem x\u00e9t nh\u1eefng \u0111i\u1ec1u sau:<\/p>\n<ul>\n<li>C\u00e2n b\u1eb1ng \u0111i\u1ec7n \u00e1p gi\u1eefa c\u00e1c pha<\/li>\n<li>S\u1ef1 ki\u1ec7n m\u1ea5t pha ho\u1eb7c t\u00ecnh tr\u1ea1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh ph\u00eda ngu\u1ed3n \u0111i\u1ec7n gi\u00e1n \u0111o\u1ea1n<\/li>\n<li>B\u1eb1ng ch\u1ee9ng v\u1ec1 c\u00e1c \u0111\u1ea7u n\u1ed1i ph\u00eda tr\u01b0\u1edbc b\u1ecb l\u1ecfng<\/li>\n<li>T\u00ecnh tr\u1ea1ng c\u1ee7a c\u1ea7u dao, c\u1ea7u ch\u00ec v\u00e0 c\u00f4ng t\u1eafc t\u01a1<\/li>\n<li>C\u00e1c v\u1ea5n \u0111\u1ec1 h\u00e0i ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m n\u1ebfu c\u00f3 li\u00ean quan<\/li>\n<\/ul>\n<p>\u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c tr\u1ea1m s\u1ea1c ph\u00e2n t\u00e1n n\u01a1i ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m thay \u0111\u1ed5i. M\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u kh\u1ecfe m\u1ea1nh kh\u00f4ng th\u1ec3 b\u00f9 \u0111\u1eafp cho vi\u1ec7c thi\u1ebfu \u0111\u1ea7u v\u00e0o pha ho\u1eb7c s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng nghi\u00eam tr\u1ecdng c\u1ee7a ngu\u1ed3n cung c\u1ea5p.<\/p>\n<h3>S\u1eed D\u1ee5ng Ki\u1ec3m Tra \u0110\u1ed9ng Khi Ki\u1ec3m Tra T\u0129nh L\u00e0 Kh\u00f4ng \u0110\u1ee7<\/h3>\n<p>M\u1ed9t s\u1ed1 l\u1ed7i ch\u1ec9 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi t\u1ea3i ho\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9. N\u1ebfu b\u1ed9 c\u1ea7u v\u01b0\u1ee3t qua c\u00e1c ki\u1ec3m tra t\u0129nh nh\u01b0ng b\u1ed9 s\u1ea1c v\u1eabn ho\u1ea1t \u0111\u1ed9ng k\u00e9m trong c\u00e1c phi\u00ean s\u1ea1c, th\u00ec vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9ng tr\u1edf n\u00ean c\u1ea7n thi\u1ebft.<\/p>\n<p>V\u1edbi c\u00e1c \u0111\u1ea7u d\u00f2 vi sai \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c ph\u00f9 h\u1ee3p v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t an to\u00e0n \u0111\u00fang c\u00e1ch, h\u00e3y quan s\u00e1t d\u1ea1ng s\u00f3ng c\u1ee7a bus DC trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng. M\u1ed9t c\u1ea7u 3 pha kh\u1ecfe m\u1ea1nh s\u1ebd t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh g\u1ee3n s\u00f3ng s\u00e1u xung nh\u1ea5t qu\u00e1n. C\u00e1c \u0111o\u1ea1n b\u1ecb thi\u1ebfu ho\u1eb7c bi\u1ebfn d\u1ea1ng c\u00f3 th\u1ec3 ch\u1ec9 ra:<\/p>\n<ul>\n<li>M\u1ed9t \u0111i-\u1ed1t ch\u1ec9 h\u1ecfng khi n\u00f3ng<\/li>\n<li>Chia s\u1ebb d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ec1u<\/li>\n<li>S\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng pha \u0111\u1ea7u v\u00e0o<\/li>\n<li>S\u1ef1 suy gi\u1ea3m c\u01a1 h\u1ecdc ho\u1eb7c nhi\u1ec7t ch\u1ec9 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi t\u1ea3i<\/li>\n<\/ul>\n<p>\u0110\u00e2y l\u00e0 \u0111i\u1ec3m m\u00e0 vi\u1ec7c x\u1eed l\u00fd s\u1ef1 c\u1ed1 th\u01b0\u1eddng chuy\u1ec3n t\u1eeb logic thay th\u1ebf \u0111\u01a1n gi\u1ea3n sang ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5. N\u1ebfu b\u1ed9 c\u1ea7u li\u00ean t\u1ee5c h\u1ecfng sau khi thay th\u1ebf, v\u1ea5n \u0111\u1ec1 c\u1ee7a h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 l\u00e0 do nhi\u1ec7t, m\u00f4i tr\u01b0\u1eddng ho\u1eb7c ki\u1ebfn tr\u00fac thay v\u00ec ch\u1ec9 do linh ki\u1ec7n.<\/p>\n<h3>Tr\u00ecnh T\u1ef1 X\u1eed L\u00fd S\u1ef1 C\u1ed1 Th\u1ef1c T\u1ebf Cho C\u00e1c \u0110\u1ed9i D\u1ecbch V\u1ee5<\/h3>\n<p>Quy tr\u00ecnh th\u1ef1c \u0111\u1ecba hi\u1ec7u qu\u1ea3 nh\u1ea5t l\u00e0 quy tr\u00ecnh thu h\u1eb9p l\u1ed7i m\u00e0 kh\u00f4ng g\u00e2y ra c\u00f4ng vi\u1ec7c l\u00e0m l\u1ea1i. Tr\u00ecnh t\u1ef1 d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh th\u1ef1c t\u1ebf cho c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh v\u00e0 \u0111\u1ed9i b\u1ea3o tr\u00ec b\u1ed9 s\u1ea1c.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>B\u01b0\u1edbc<\/th>\n<th>C\u1ea7n L\u00e0m G\u00ec<\/th>\n<th>T\u1ea1i Sao \u0110i\u1ec1u N\u00e0y Quan Tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>C\u00e1ch ly v\u00e0 x\u00e1c minh tr\u1ea1ng th\u00e1i n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng kh\u00f4ng<\/td>\n<td>Ng\u0103n ng\u1eeba th\u01b0\u01a1ng t\u00edch v\u00e0 tr\u00e1nh h\u01b0 h\u1ecfng do s\u01a1 \u00fd trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Ki\u1ec3m tra b\u1eb1ng m\u1eaft v\u00e0 c\u01a1 h\u1ecdc<\/td>\n<td>Ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 nhi\u1ec7t, l\u1eafp \u0111\u1eb7t v\u00e0 k\u1ebft n\u1ed1i r\u00f5 r\u00e0ng<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>X\u00e1c minh ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o 3 pha<\/td>\n<td>Ng\u0103n ch\u1eb7n vi\u1ec7c ch\u1ea9n \u0111o\u00e1n sai c\u00e1c s\u1ef1 c\u1ed1 ngu\u1ed3n cung c\u1ea5p ph\u00eda tr\u00ean nh\u01b0 l\u00e0 l\u1ed7i c\u1ee7a b\u1ed9 ch\u1ec9nh l\u01b0u<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o ki\u1ec3m tra \u0111i-\u1ed1t<\/td>\n<td>Nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u01b0\u1eddng m\u1ea1ch h\u1edf ho\u1eb7c ng\u1eafn trong c\u1ea7u ch\u1ec9nh l\u01b0u<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Xem x\u00e9t t\u00ecnh tr\u1ea1ng l\u00e0m m\u00e1t v\u00e0 \u0111\u01b0\u1eddng d\u1eabn nhi\u1ec7t<\/td>\n<td>X\u00e1c nh\u1eadn xem l\u1ed7i l\u00e0 do nhi\u1ec7t ch\u1ee9 kh\u00f4ng ph\u1ea3i do d\u00f2ng \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>Ch\u1ea1y ki\u1ec3m tra d\u1ea1ng s\u00f3ng \u0111\u1ed9ng n\u1ebfu c\u1ea7n<\/td>\n<td>Ti\u1ebft l\u1ed9 t\u00ecnh tr\u1ea1ng b\u1ea5t \u1ed5n \u0111\u1ecbnh ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea3i ho\u1eb7c nhi\u1ec7t \u0111\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>Thay th\u1ebf m\u00f4-\u0111un v\u00e0 x\u00e1c nh\u1eadn nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5<\/td>\n<td>Kh\u00f4i ph\u1ee5c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi gi\u1ea3m kh\u1ea3 n\u0103ng h\u1ecfng h\u00f3c l\u1eb7p l\u1ea1i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u1ea5u tr\u00fac n\u00e0y c\u0169ng h\u1eefu \u00edch cho vi\u1ec7c ghi ch\u00e9p t\u00e0i li\u1ec7u. N\u1ebfu t\u1ed5 ch\u1ee9c c\u1ee7a b\u1ea1n qu\u1ea3n l\u00fd nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m, m\u1ed9t b\u1ea3ng h\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd s\u1ef1 c\u1ed1 ti\u00eau chu\u1ea9n h\u00f3a s\u1ebd gi\u00fap vi\u1ec7c so s\u00e1nh c\u00e1c l\u1ed7i l\u1eb7p l\u1ea1i tr\u00ean c\u00e1c m\u1eabu tr\u1ea1m s\u1ea1c v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<h3>Khi N\u00e0o Thay Th\u1ebf L\u00e0 Quy\u1ebft \u0110\u1ecbnh \u0110\u00fang \u0110\u1eafn<\/h3>\n<p>Vi\u1ec7c x\u1eed l\u00fd s\u1ef1 c\u1ed1 b\u1ed9 ch\u1ec9nh l\u01b0u kh\u00f4ng n\u00ean tr\u1edf th\u00e0nh m\u1ed9t s\u1ef1 ti\u1ebft ki\u1ec7m gi\u1ea3 t\u1ea1o. N\u1ebfu m\u1ed9t tr\u1ea1m s\u1ea1c mang t\u00ednh quan tr\u1ecdng \u0111\u1ed1i v\u1edbi doanh thu, li\u00ean t\u1ee5c x\u1ea3y ra l\u1ed7i, ho\u1eb7c khi\u1ebfn c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ph\u00eda sau ch\u1ecbu \u00e1p l\u1ef1c, th\u00ec vi\u1ec7c th\u1eed nghi\u1ec7m k\u00e9o d\u00e0i theo ph\u01b0\u01a1ng ph\u00e1p th\u1eed v\u00e0 sai c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m h\u01a1n so v\u1edbi vi\u1ec7c thay th\u1ebf quy\u1ebft \u0111o\u00e1n.<\/p>\n<p>Vi\u1ec7c thay th\u1ebf th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec7n minh khi:<\/p>\n<ul>\n<li>M\u1ed9t \u0111\u01b0\u1eddng \u0111i-\u1ed1t r\u00f5 r\u00e0ng ki\u1ec3m tra th\u1ea5y h\u1edf m\u1ea1ch ho\u1eb7c ng\u1eafn m\u1ea1ch<\/li>\n<li>B\u1ed9 ch\u1ec9nh l\u01b0u cho th\u1ea5y b\u1ecb h\u01b0 h\u1ecfng do nhi\u1ec7t ho\u1eb7c h\u1ecfng l\u1edbp b\u1ea3o v\u1ec7<\/li>\n<li>C\u00e1c k\u1ebft n\u1ed1i v\u00e0 h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c nh\u01b0ng t\u00ecnh tr\u1ea1ng b\u1ea5t \u1ed5n v\u1eabn c\u00f2n<\/li>\n<li>Ki\u1ec3m tra t\u1ea3i x\u00e1c nh\u1eadn c\u00f3 s\u00f3ng h\u00e0i b\u1ea5t th\u01b0\u1eddng l\u1eb7p l\u1ea1i ho\u1eb7c hi\u1ec7u su\u1ea5t k\u00e9m<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM), nh\u00e0 t\u00edch h\u1ee3p v\u00e0 t\u1ed5 ch\u1ee9c d\u1ecbch v\u1ee5, ch\u1ea5t l\u01b0\u1ee3ng linh ki\u1ec7n l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a quy\u1ebft \u0111\u1ecbnh \u0111\u00f3. Danh m\u1ee5c <a href=\"https:\/\/www.pandaexo.com\/vi\/shop\/bridge-rectifier\/\">b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u<\/a> c\u1ee7a PandaExo h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n, kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec7t v\u00e0 tu\u1ed5i th\u1ecd ph\u1ee5c v\u1ee5 l\u00e2u d\u00e0i l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n<h3>T\u1ea1i Sao Ch\u1ea5t Th\u00e0nh Ph\u1ea7n V\u1eabn Quy\u1ebft \u0110\u1ecbnh Th\u1eddi Gian Ho\u1ea1t \u0110\u1ed9ng<\/h3>\n<p>X\u1eed l\u00fd s\u1ef1 c\u1ed1 l\u00e0 c\u1ea7n thi\u1ebft, nh\u01b0ng ph\u00f2ng ng\u1eeba th\u00ec r\u1ebb h\u01a1n. Trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c xe \u0111i\u1ec7n, giai \u0111o\u1ea1n ch\u1ec9nh l\u01b0u ho\u1ea1t \u0111\u1ed9ng \u1edf n\u01a1i giao thoa gi\u1eefa t\u1ea3i \u0111i\u1ec7n, \u1ee9ng su\u1ea5t nhi\u1ec7t v\u00e0 k\u1ef3 v\u1ecdng v\u1ec1 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng. Ch\u1ea5t l\u01b0\u1ee3ng th\u00e0nh ph\u1ea7n y\u1ebfu \u1edf v\u1ecb tr\u00ed \u0111\u00f3 th\u01b0\u1eddng b\u1ed9c l\u1ed9 sau n\u00e0y d\u01b0\u1edbi d\u1ea1ng chi ph\u00ed d\u1ecbch v\u1ee5 c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c.<\/p>\n<p>\u0110\u1ecbnh v\u1ecb c\u1ee7a PandaExo c\u00f3 li\u00ean quan \u1edf \u0111\u00e2y v\u00ec c\u00f4ng ty k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng v\u1ec1 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c xe \u0111i\u1ec7n v\u1edbi kinh nghi\u1ec7m s\u00e2u r\u1ed9ng v\u1ec1 ch\u1ea5t b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t v\u00e0 s\u1ea3n xu\u1ea5t quy m\u00f4 nh\u00e0 m\u00e1y. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi mua c\u1ea7n ph\u1ea7n c\u1ee9ng s\u1ea1c \u0111\u00e1ng tin c\u1eady, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch n\u1ec1n t\u1ea3ng th\u00f4ng minh, ho\u1eb7c t\u00ednh linh ho\u1ea1t OEM v\u00e0 ODM, \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng \u1edf c\u1ea3 giai \u0111o\u1ea1n thi\u1ebft k\u1ebf v\u00e0 giai \u0111o\u1ea1n d\u1ecbch v\u1ee5.<\/p>\n<h3>\u0110i\u1ec3m C\u1ed1t L\u00f5i Cu\u1ed1i C\u00f9ng<\/h3>\n<p>M\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u 3 pha kh\u00f4ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 h\u1ecfng theo nh\u1eefng c\u00e1ch tr\u00f4ng gi\u1ed1ng nh\u01b0 s\u1ef1 b\u1ea5t \u1ed5n \u0111\u1ecbnh ph\u1ea7n m\u1ec1m, l\u1ed7i c\u00e1p ho\u1eb7c hi\u1ec7u su\u1ea5t k\u00e9m c\u1ee7a tr\u1ea1m s\u1ea1c. Con \u0111\u01b0\u1eddng nhanh nh\u1ea5t \u0111\u1ebfn c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang l\u00e0 m\u1ed9t quy tr\u00ecnh c\u00f3 c\u1ea5u tr\u00fac: c\u00e1ch ly an to\u00e0n, ki\u1ec3m tra c\u01a1 h\u1ecdc, x\u00e1c nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o, ki\u1ec3m tra c\u00e1c \u0111i-\u1ed1t v\u00e0 chuy\u1ec3n sang ph\u00e2n t\u00edch \u0111\u1ed9ng khi tri\u1ec7u ch\u1ee9ng ch\u1ec9 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi t\u1ea3i.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh v\u00e0 \u0111\u1ed9i ng\u0169 OEM, c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, h\u1ea1n ch\u1ebf vi\u1ec7c thay th\u1ebf ph\u1ee5 t\u00f9ng kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 b\u1ea3o v\u1ec7 ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a chu\u1ed7i ngu\u1ed3n kh\u1ecfi nh\u1eefng \u00e1p l\u1ef1c c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c. N\u1ebfu b\u1ea1n \u0111ang \u0111\u00e1nh gi\u00e1 ph\u1ea7n c\u1ee9ng s\u1ea1c ho\u1eb7c c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea5t b\u00e1n d\u1eabn \u0111\u00e1ng tin c\u1eady h\u01a1n cho hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng xe \u0111i\u1ec7n, h\u00e3y li\u00ean h\u1ec7 v\u1edbi <a href=\"https:\/\/www.pandaexo.com\/vi\/contact\/\">\u0111\u1ed9i ng\u0169 PandaExo<\/a> \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 m\u1ed9t gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Khi m\u1ed9t b\u1ed9 s\u1ea1c EV th\u01b0\u01a1ng m\u1ea1i b\u1eaft \u0111\u1ea7u gi\u1ea3m c\u00f4ng su\u1ea5t, ng\u1eaft b\u1ea3o v\u1ec7 ho\u1eb7c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi t\u1ea3i, t\u1ea7ng ch\u1ec9nh l\u01b0u l\u00e0 m\u1ed9t trong nh\u1eefng n\u01a1i \u0111\u1ea7u ti\u00ean m\u00e0 c\u00e1c k\u1ef9 s\u01b0 c\u00f3 kinh nghi\u1ec7m ki\u1ec3m tra. Trong c\u00e1c h\u1ec7 th\u1ed1ng s\u1ea1c c\u00f4ng su\u1ea5t cao, m\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u ba pha<\/p>\n","protected":false},"author":1,"featured_media":910,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[538],"tags":[],"class_list":["post-3317","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-semiconductor-vi","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/posts\/3317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/comments?post=3317"}],"version-history":[{"count":0,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/posts\/3317\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/media\/910"}],"wp:attachment":[{"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/media?parent=3317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/categories?post=3317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/tags?post=3317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}