{"id":4153,"date":"2026-03-03T23:08:30","date_gmt":"2026-03-03T15:08:30","guid":{"rendered":"https:\/\/www.pandaexo.com\/why-your-bridge-rectifier-is-overheating-and-how-to-fix-it\/"},"modified":"2026-04-01T11:37:07","modified_gmt":"2026-04-01T03:37:07","slug":"why-your-bridge-rectifier-is-overheating-and-how-to-fix-it","status":"publish","type":"post","link":"https:\/\/www.pandaexo.com\/vi\/why-your-bridge-rectifier-is-overheating-and-how-to-fix-it\/","title":{"rendered":"T\u1ea1i Sao C\u1ea7u Ch\u1ec9nh L\u01b0u C\u1ee7a B\u1ea1n Qu\u00e1 N\u00f3ng v\u00e0 C\u00e1ch Kh\u1eafc Ph\u1ee5c"},"content":{"rendered":"<p>B\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u th\u01b0\u1eddng d\u1ec5 b\u1ecb b\u1ecf qua cho \u0111\u1ebfn khi m\u1ed9t b\u1ed9 b\u1eaft \u0111\u1ea7u ch\u1ea1y \u0111\u1ee7 n\u00f3ng \u0111\u1ec3 \u0111e d\u1ecda th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 s\u1ea1c. Trong h\u1ec7 th\u1ed1ng s\u1ea1c xe \u0111i\u1ec7n, \u0111\u00f3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng. Nhi\u1ec7t \u0111\u1ed9 qu\u00e1 m\u1ee9c \u1edf giai \u0111o\u1ea1n ch\u1ec9nh l\u01b0u kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t. N\u00f3 c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t gi\u1ea3m c\u00f4ng su\u1ea5t, \u0111\u1ea9y nhanh \u1ee9ng su\u1ea5t tr\u00ean t\u1ee5 \u0111i\u1ec7n, l\u00e0m h\u1ecfng c\u00e1c c\u1ee5m l\u1eafp r\u00e1p g\u1ea7n \u0111\u00f3 v\u00e0 r\u00fat ng\u1eafn tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00ednh b\u1ed9 s\u1ea1c.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c, nh\u00e0 v\u1eadn h\u00e0nh tr\u1ea1m s\u1ea1c, nh\u00e0 th\u1ea7u b\u1ea3o tr\u00ec v\u00e0 ng\u01b0\u1eddi mua c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, qu\u00e1 nhi\u1ec7t th\u01b0\u1eddng l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y m\u1ed9t y\u1ebfu t\u1ed1 n\u00e0o \u0111\u00f3 trong ph\u1ea1m vi thi\u1ebft k\u1ebf, ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh \u0111\u00e3 v\u01b0\u1ee3t kh\u1ecfi t\u1ea7m ki\u1ec3m so\u00e1t. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t c\u1ee7a b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u trong ph\u1ea7n c\u1ee9ng s\u1ea1c xe \u0111i\u1ec7n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c ch\u00fang tr\u01b0\u1edbc khi m\u1ed9t v\u1ea5n \u0111\u1ec1 v\u1ec1 nhi\u1ec7t tr\u1edf th\u00e0nh s\u1ef1 c\u1ed1 th\u1ef1c \u0111\u1ecba.<\/p>\n<h3>T\u1ea1i Sao Nhi\u1ec7t \u0110\u1ed9 Ch\u1ec9nh L\u01b0u L\u1ea1i Quan Tr\u1ecdng \u0110\u1ebfn V\u1eady Trong S\u1ea1c Xe \u0110i\u1ec7n<\/h3>\n<p>B\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u chuy\u1ec3n \u0111\u1ed5i \u0111\u1ea7u v\u00e0o \u0111i\u1ec7n xoay chi\u1ec1u th\u00e0nh ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u c\u1ea7n thi\u1ebft cho ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ea1c. Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111\u00f3 lu\u00f4n t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t v\u00ec m\u1ed7i diode d\u1eabn \u0111i\u1ec7n \u0111\u1ec1u t\u1ea1o ra m\u1ed9t s\u1ee5t \u00e1p thu\u1eadn. Trong m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t, nhi\u1ec7t \u0111\u01b0\u1ee3c d\u1ef1 ki\u1ebfn, qu\u1ea3n l\u00fd v\u00e0 lo\u1ea1i b\u1ecf. Trong m\u1ed9t h\u1ec7 th\u1ed1ng kh\u00f4ng ph\u00f9 h\u1ee3p ho\u1eb7c l\u00e0m m\u00e1t k\u00e9m, ch\u00ednh l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u00f3 l\u1ea1i tr\u1edf th\u00e0nh m\u1ed9t v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 tin c\u1eady.<\/p>\n<p>C\u00f4ng su\u1ea5t b\u1ed9 s\u1ea1c c\u00e0ng cao, h\u1ec7 th\u1ed1ng c\u00e0ng \u00edt dung sai cho c\u00e1c sai s\u00f3t v\u1ec1 nhi\u1ec7t. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao h\u00e0nh vi nhi\u1ec7t c\u1ee7a b\u1ed9 ch\u1ec9nh l\u01b0u l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady trong c\u00e1c \u1ee9ng d\u1ee5ng xe \u0111i\u1ec7n th\u01b0\u01a1ng m\u1ea1i v\u00e0 t\u1ea3i tr\u1ecdng cao.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>T\u00ecnh Tr\u1ea1ng B\u1ed9 Ch\u1ec9nh L\u01b0u<\/th>\n<th>\u0110i\u1ec1u G\u00ec X\u1ea3y Ra V\u1ec1 M\u1eb7t \u0110i\u1ec7n<\/th>\n<th>\u00dd Ngh\u0129a V\u1ec1 M\u1eb7t V\u1eadn H\u00e0nh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng trong gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n v\u00e0 nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>L\u01b0\u1ee3ng nhi\u1ec7t sinh ra n\u1eb1m trong kh\u1ea3 n\u0103ng l\u00e0m m\u00e1t \u0111\u00e3 thi\u1ebft k\u1ebf<\/td>\n<td>Hi\u1ec7u su\u1ea5t b\u1ed9 s\u1ea1c \u1ed5n \u0111\u1ecbnh v\u00e0 tu\u1ed5i th\u1ecd linh ki\u1ec7n d\u00e0i h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ea1y li\u00ean t\u1ee5c tr\u00ean nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp gi\u00e1p an to\u00e0n<\/td>\n<td>T\u1ed5n hao thu\u1eadn v\u00e0 \u0111i\u1ec7n tr\u1edf n\u1ed9i t\u0103ng<\/td>\n<td>\u1ee8ng su\u1ea5t nhi\u1ec7t t\u00edch t\u1ee5 v\u00e0 hi\u1ec7u su\u1ea5t gi\u1ea3m<\/td>\n<\/tr>\n<tr>\n<td>C\u00e1c chu k\u1ef3 qu\u00e1 nhi\u1ec7t l\u1eb7p l\u1ea1i<\/td>\n<td>C\u00e1c m\u1ed1i h\u00e0n, \u0111i\u1ec3m g\u1eafn chip v\u00e0 v\u1eadt li\u1ec7u xung quanh xu\u1ed1ng c\u1ea5p<\/td>\n<td>Kh\u1ea3 n\u0103ng x\u1ea3y ra s\u1ef1 c\u1ed1 th\u1ef1c \u0111\u1ecba cao h\u01a1n v\u00e0 r\u1ee7i ro d\u1ecbch v\u1ee5 l\u1eb7p l\u1ea1i t\u0103ng<\/td>\n<\/tr>\n<tr>\n<td>S\u1ef1 ki\u1ec7n qu\u00e1 nhi\u1ec7t nghi\u00eam tr\u1ecdng<\/td>\n<td>Linh ki\u1ec7n c\u00f3 th\u1ec3 b\u1ecb ch\u1eadp, h\u1edf m\u1ea1ch ho\u1eb7c k\u00edch ho\u1ea1t t\u1eaft b\u1ea3o v\u1ec7<\/td>\n<td>B\u1ed9 s\u1ea1c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, thay th\u1ebf kh\u1ea9n c\u1ea5p v\u00e0 c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng th\u1ee9 c\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t l\u00fd do khi\u1ebfn c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 v\u1eadn h\u00e0nh b\u1ed9 s\u1ea1c \u0111\u1eb7t nhi\u1ec1u tr\u1ecdng t\u00e2m v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a <a href=\"https:\/\/www.pandaexo.com\/vi\/shop\/bridge-rectifier\/\">b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u<\/a> v\u00e0 \u0111\u01b0\u1eddng d\u1eabn nhi\u1ec7t xung quanh n\u00f3.<\/p>\n<h3>Nh\u1eefng L\u00fd Do Ph\u1ed5 Bi\u1ebfn Nh\u1ea5t Khi\u1ebfn B\u1ed9 Ch\u1ec9nh L\u01b0u C\u1ea7u B\u1ecb Qu\u00e1 Nhi\u1ec7t<\/h3>\n<p>Qu\u00e1 nhi\u1ec7t th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed9t nh\u00f3m nh\u1ecf c\u00e1c nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5. C\u00e2u h\u1ecfi h\u1eefu \u00edch kh\u00f4ng ph\u1ea3i l\u00e0 li\u1ec7u b\u1ed9 ch\u1ec9nh l\u01b0u c\u00f3 n\u00f3ng hay kh\u00f4ng, m\u00e0 l\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i n\u00f3ng v\u01b0\u1ee3t qu\u00e1 d\u1ef1 ki\u1ebfn.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Nguy\u00ean Nh\u00e2n G\u1ed1c R\u1ec5<\/th>\n<th>T\u00e1c Nh\u00e2n \u0110i\u1ec3n H\u00ecnh<\/th>\n<p><Tri\u1ec7u Ch\u1ee9ng Th\u1ef1c \u0110\u1ecba Ph\u1ed5 Bi\u1ebfn<\/th>\n<p><Thao T\u00e1c S\u1eeda Ch\u1eefa Ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u00f2ng \u0111i\u1ec7n thu\u1eadn qu\u00e1 m\u1ee9c<\/td>\n<td>Nhu c\u1ea7u t\u1ea3i v\u01b0\u1ee3t qu\u00e1 bi\u00ean \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 t\u0103ng nhanh trong c\u00e1c phi\u00ean s\u1ea1c c\u00f4ng su\u1ea5t cao<\/td>\n<td>T\u0103ng bi\u00ean \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n v\u00e0 x\u00e1c nh\u1eadn h\u1ed3 s\u01a1 t\u1ea3i th\u1ef1c t\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>Giao di\u1ec7n nhi\u1ec7t k\u00e9m<\/td>\n<td>\u00c1p l\u1ef1c l\u1eafp \u0111\u1eb7t k\u00e9m, TIM b\u1ecb thi\u1ebfu ho\u1eb7c xu\u1ed1ng c\u1ea5p, ti\u1ebfp x\u00fac kh\u00f4ng \u0111\u1ec1u<\/td>\n<td>\u0110i\u1ec3m n\u00f3ng c\u1ee5c b\u1ed9 t\u1ea1i \u0111\u1ebf m\u00f4-\u0111un ho\u1eb7c giao di\u1ec7n t\u1ea3n nhi\u1ec7t<\/td>\n<td>S\u1eeda l\u1ea1i b\u1ec1 m\u1eb7t l\u1eafp \u0111\u1eb7t, m\u00f4-men xi\u1ebft v\u00e0 \u1ee9ng d\u1ee5ng keo t\u1ea3n nhi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1ecb thi\u1ebfu k\u00edch th\u01b0\u1edbc<\/td>\n<td>T\u1ea3n nhi\u1ec7t ho\u1eb7c lu\u1ed3ng kh\u00ed kh\u00f4ng th\u1ec3 t\u1ea3n nhi\u1ec7t t\u1ed5n hao li\u00ean t\u1ee5c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 t\u0103ng \u0111\u1ec1u d\u01b0\u1edbi t\u1ea3i duy tr\u00ec<\/td>\n<td>N\u00e2ng c\u1ea5p t\u1ea3n nhi\u1ec7t, lu\u1ed3ng kh\u00ed ho\u1eb7c chi\u1ebfn l\u01b0\u1ee3c l\u00e0m m\u00e1t ch\u1ee7 \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng trong v\u1ecf cao<\/td>\n<td>Nhi\u1ec7t ngo\u00e0i tr\u1eddi, h\u1ea5p th\u1ee5 nhi\u1ec7t m\u1eb7t tr\u1eddi, th\u00f4ng gi\u00f3 k\u00e9m, b\u1ed1 tr\u00ed t\u1ee7 ch\u1eadt ch\u1ed9i<\/td>\n<td>Kh\u1ea3 n\u0103ng mang d\u00f2ng an to\u00e0n s\u1ee5t gi\u1ea3m v\u00e0o m\u00f9a h\u00e8 ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng cao \u0111i\u1ec3m ban ng\u00e0y<\/td>\n<td>C\u1ea3i thi\u1ec7n l\u00e0m m\u00e1t v\u1ecf b\u1ecdc v\u00e0 gi\u1ea3m c\u00f4ng su\u1ea5t theo \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>R\u00f2 ng\u01b0\u1ee3c ho\u1eb7c \u1ee9ng su\u1ea5t qu\u00e1 \u0111\u1ed9<\/td>\n<td>\u0110\u01b0\u1eddng d\u00e2y kh\u00f4ng \u1ed5n \u0111\u1ecbnh, xung \u0111i\u1ec7n \u00e1p ho\u1eb7c c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ed9t bi\u1ebfn l\u1eb7p l\u1ea1i<\/td>\n<td>N\u00f3ng kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n ngay c\u1ea3 khi t\u1ea3i c\u00f3 v\u1ebb b\u00ecnh th\u01b0\u1eddng<\/td>\n<td>Th\u00eam b\u1ea3o v\u1ec7 MOV ho\u1eb7c TVS v\u00e0 x\u00e1c minh ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o<\/td>\n<\/tr>\n<tr>\n<td>Linh ki\u1ec7n l\u00e3o h\u00f3a<\/td>\n<td>Chu k\u1ef3 nhi\u1ec7t l\u1eb7p \u0111i l\u1eb7p l\u1ea1i theo th\u1eddi gian<\/td>\n<td>B\u1ed9 ch\u1ec9nh l\u01b0u ch\u1ea1y n\u00f3ng h\u01a1n tr\u01b0\u1edbc \u1edf c\u00f9ng t\u1ea3i<\/td>\n<td>Thay th\u1ebf m\u00f4-\u0111un l\u00e3o h\u00f3a v\u00e0 \u0111i\u1ec1u tra ph\u01a1i nhi\u1ec5m nhi\u1ec7t l\u00e2u d\u00e0i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Nguy\u00ean Nh\u00e2n 1: D\u00f2ng \u0110i\u1ec7n Thu\u1eadn Qu\u00e1 M\u1ee9c<\/h3>\n<p>Tr\u01b0\u1eddng h\u1ee3p qu\u00e1 nhi\u1ec7t tr\u1ef1c ti\u1ebfp nh\u1ea5t l\u00e0 qu\u00e1 t\u1ea3i. N\u1ebfu b\u1ed9 ch\u1ec9nh l\u01b0u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u mang d\u00f2ng \u0111i\u1ec7n l\u1edbn h\u01a1n m\u1ee9c n\u00f3 c\u00f3 th\u1ec3 x\u1eed l\u00fd li\u00ean t\u1ee5c, l\u01b0\u1ee3ng nhi\u1ec7t t\u1ecfa ra t\u0103ng nhanh. Ngay c\u1ea3 khi b\u1ed9 s\u1ea1c ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ee3t ng\u1eafn, vi\u1ec7c qu\u00e1 t\u1ea3i l\u1eb7p l\u1ea1i c\u00f3 th\u1ec3 \u0111\u1ea9y nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp gi\u00e1p v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 c\u1ee7a v\u1ecf v\u00e0 t\u1ea3n nhi\u1ec7t.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ee1 d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng danh \u0111\u1ecbnh thay v\u00ec th\u1ef1c t\u1ebf, ho\u1eb7c khi m\u1ed9t b\u1ed9 s\u1ea1c \u0111\u01b0\u1ee3c tri\u1ec3n khai trong chu k\u1ef3 nhi\u1ec7m v\u1ee5 kh\u1eafc nghi\u1ec7t h\u01a1n d\u1ef1 ki\u1ebfn ban \u0111\u1ea7u.<\/p>\n<p>H\u00e3y \u0111\u1ec3 \u00fd nh\u1eefng d\u1ea5u hi\u1ec7u sau:<\/p>\n<ul>\n<li>Nhi\u1ec7t \u0111\u1ed9 t\u0103ng \u0111\u1ed9t bi\u1ebfn ngay sau c\u00e1c phi\u00ean s\u1ea1c nhu c\u1ea7u cao<\/li>\n<li>Ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng t\u1ea3i \u1ed5n \u0111\u1ecbnh nh\u01b0ng nhi\u1ec7t t\u0103ng nhanh d\u01b0\u1edbi t\u1ea3i<\/li>\n<li>C\u1ea3nh b\u00e1o qu\u00e1 nhi\u1ec7t t\u00e1i di\u1ec5n m\u00e0 kh\u00f4ng c\u00f3 h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc r\u00f5 r\u00e0ng<\/li>\n<\/ul>\n<p>Bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c kh\u00f4ng ch\u1ec9 l\u00e0 ch\u1ecdn m\u1ed9t m\u00e3 linh ki\u1ec7n l\u1edbn h\u01a1n tr\u00ean gi\u1ea5y t\u1edd. \u0110\u00f3 l\u00e0 \u0111\u1ecbnh c\u1ee1 kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n v\u1edbi bi\u00ean \u0111\u1ed9 an to\u00e0n th\u1ef1c t\u1ebf, bao g\u1ed3m t\u1ea3i \u0111\u1ec9nh, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, bi\u1ebfn \u0111\u1ed5i lu\u1ed3ng kh\u00ed v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1ecf b\u1ecdc.<\/p>\n<h3>Nguy\u00ean Nh\u00e2n 2: Qu\u1ea3n L\u00fd Nhi\u1ec7t K\u00e9m T\u1ea1i B\u1ec1 M\u1eb7t L\u1eafp \u0110\u1eb7t<\/h3>\n<p>Nhi\u1ec1u v\u1ea5n \u0111\u1ec1 qu\u00e1 nhi\u1ec7t kh\u00f4ng ph\u1ea3i do ch\u00ednh silicon diode g\u00e2y ra m\u00e0 do \u0111\u01b0\u1eddng d\u1eabn l\u1ebd ra ph\u1ea3i mang nhi\u1ec7t ra kh\u1ecfi n\u00f3. M\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c \u0111i\u1ec7n \u0111\u00fang nh\u01b0ng v\u1eabn h\u1ecfng v\u1ec1 m\u1eb7t nhi\u1ec7t n\u1ebfu giao di\u1ec7n v\u1edbi t\u1ea3n nhi\u1ec7t k\u00e9m.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>V\u1ea5n \u0110\u1ec1 Ti\u1ebfp X\u00fac Nhi\u1ec7t<\/th>\n<th>T\u1ea1i Sao N\u00f3 G\u00e2y Ra S\u1ef1 T\u00edch T\u1ee5 Nhi\u1ec7t<\/th>\n<th>C\u1ea7n Ki\u1ec3m Tra Nh\u1eefng G\u00ec<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\u1eafp \u0111\u1eb7t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u<\/td>\n<td>T\u1ea1o ra ti\u1ebfp x\u00fac m\u1ed9t ph\u1ea7n v\u00e0 \u0111i\u1ec7n tr\u1edf nhi\u1ec7t c\u1ee5c b\u1ed9<\/td>\n<td>\u0110\u1ed9 ph\u1eb3ng, m\u00f4 h\u00ecnh v\u00edt, \u00e1p l\u1ef1c l\u1eafp \u0111\u1eb7t<\/td>\n<\/tr>\n<tr>\n<td>Thi\u1ebfu ho\u1eb7c keo t\u1ea3n nhi\u1ec7t b\u1ecb xu\u1ed1ng c\u1ea5p<\/td>\n<td>Gi\u1ea3m truy\u1ec1n nhi\u1ec7t gi\u1eefa v\u1ecf v\u00e0 t\u1ea3n nhi\u1ec7t<\/td>\n<td>\u0110\u1ed9 ph\u1ee7 c\u1ee7a TIM, \u0111\u1ed9 kh\u00f4, nhi\u1ec5m b\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac b\u1ecb oxy h\u00f3a ho\u1eb7c b\u1ea9n<\/td>\n<td>Ng\u0103n c\u1ea3n d\u1eabn nhi\u1ec7t hi\u1ec7u qu\u1ea3<\/td>\n<td>\u0110\u1ed9 s\u1ea1ch b\u1ec1 m\u1eb7t, \u0103n m\u00f2n, c\u1eb7n b\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n c\u1ee9ng l\u1ecfng l\u1ebbo<\/td>\n<td>Gi\u1ea3m \u00e1p l\u1ef1c v\u00e0 t\u0103ng c\u1ea3 s\u1ef1 b\u1ea5t \u1ed5n nhi\u1ec7t v\u00e0 \u0111i\u1ec7n<\/td>\n<td>T\u00ecnh tr\u1ea1ng m\u00f4-men xo\u1eafn v\u00e0 ph\u01b0\u01a1ng ph\u00e1p gi\u1eef c\u1ed1 \u0111\u1ecbnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng xe \u0111i\u1ec7n, v\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n sau khi b\u1ea3o tr\u00ec l\u1ea1i, ti\u1ebfp x\u00fac v\u1edbi rung \u0111\u1ed9ng ho\u1eb7c s\u1eed d\u1ee5ng l\u00e2u d\u00e0i ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng. M\u1ed9t b\u1ed9 s\u1ea1c v\u1ed1n \u1ed5n \u0111\u1ecbnh v\u1ec1 nhi\u1ec7t khi \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 v\u1eady sau nhi\u1ec1u chu k\u1ef3 b\u1ea3o tr\u00ec n\u1ebfu ch\u1ea5t l\u01b0\u1ee3ng ti\u1ebfp x\u00fac nhi\u1ec7t kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn.<\/p>\n<p>\u0110\u00e2y c\u0169ng l\u00e0 l\u00fd do t\u1ea1i sao thi\u1ebft k\u1ebf nhi\u1ec7t v\u1eabn l\u00e0 tr\u1ecdng t\u00e2m c\u1ee7a \u0111\u1ed9 tin c\u1eady b\u1ed9 s\u1ea1c. B\u00e0i vi\u1ebft c\u1ee7a PandaExo v\u1ec1 <a href=\"https:\/\/www.pandaexo.com\/vi\/why-thermal-management-is-the-core-of-ev-power-module-reliability\/\">t\u1ea1i sao qu\u1ea3n l\u00fd nhi\u1ec7t l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a \u0111\u1ed9 tin c\u1eady m\u00f4-\u0111un ngu\u1ed3n xe \u0111i\u1ec7n<\/a> c\u00f3 li\u00ean quan cho c\u00e1c nh\u00f3m ch\u1ea9n \u0111o\u00e1n c\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn nhi\u1ec7t l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n<h3>Nguy\u00ean Nh\u00e2n 3: Nhi\u1ec7t \u0110\u1ed9 M\u00f4i Tr\u01b0\u1eddng Cao v\u00e0 L\u00e0m M\u00e1t V\u1ecf K\u00e9m<\/h3>\n<p>M\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u kh\u00f4ng t\u1ef1 l\u00e0m m\u00e1t ch\u1ed1ng l\u1ea1i kh\u00f4ng kh\u00ed ph\u00f2ng th\u00ed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. N\u00f3 t\u1ef1 l\u00e0m m\u00e1t ch\u1ed1ng l\u1ea1i m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf xung quanh n\u00f3. Trong c\u00e1c tr\u1ea1m s\u1ea1c ngo\u00e0i tr\u1eddi v\u00e0 t\u1ee7 \u0111i\u1ec7n c\u00f3 m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t cao, m\u00f4i tr\u01b0\u1eddng \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u00e3 n\u00f3ng tr\u01b0\u1edbc khi phi\u00ean s\u1ea1c b\u1eaft \u0111\u1ea7u.<\/p>\n<p>Nhi\u1ec7t m\u00f4i tr\u01b0\u1eddng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng d\u00f2ng \u0111i\u1ec7n s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c c\u1ee7a b\u1ed9 ch\u1ec9nh l\u01b0u. M\u1ed9t m\u00f4-\u0111un c\u00f3 v\u1ebb \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c tho\u1ea3i m\u00e1i \u1edf c\u00e1c \u0111i\u1ec1u ki\u1ec7n tham chi\u1ebfu ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 m\u1ea5t m\u1ed9t ph\u1ea7n l\u1edbn bi\u00ean \u0111\u1ed9 \u0111\u00f3 trong m\u1ed9t v\u1ecf k\u00e9m th\u00f4ng gi\u00f3 ho\u1eb7c kh\u00ed h\u1eadu n\u00f3ng.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Y\u1ebfu T\u1ed1 M\u00f4i Tr\u01b0\u1eddng<\/th>\n<p><T\u00e1c \u0110\u1ed9ng Nhi\u1ec7t<\/th>\n<p><H\u00e0nh \u0110\u1ed9ng Kh\u1eafc Ph\u1ee5c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kh\u00ed h\u1eadu n\u00f3ng ngo\u00e0i tr\u1eddi<\/td>\n<td>L\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u01a1 b\u1ea3n c\u1ee7a v\u1ecf<\/td>\n<td>\u00c1p d\u1ee5ng gi\u1ea3m \u0111\u1ecbnh m\u1ee9c d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed1 tr\u00ed t\u1ee7 ch\u1eadt ch\u1ed9i<\/td>\n<td>Gi\u1eef nhi\u1ec7t g\u1ea7n c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t<\/td>\n<td>C\u1ea3i thi\u1ec7n kho\u1ea3ng c\u00e1ch v\u00e0 \u0111\u01b0\u1eddng d\u00f2ng kh\u00ed b\u00ean trong<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u01b0\u1eddng d\u00f2ng kh\u00ed b\u1ecb b\u1ee5i b\u00e1m<\/td>\n<td>Gi\u1ea3m hi\u1ec7u qu\u1ea3 l\u00e0m m\u00e1t theo th\u1eddi gian<\/td>\n<td>V\u1ec7 sinh b\u1ed9 l\u1ecdc, l\u1ed7 th\u00f4ng h\u01a1i v\u00e0 \u0111\u01b0\u1eddng qu\u1ea1t th\u01b0\u1eddng xuy\u00ean<\/td>\n<\/tr>\n<tr>\n<td>Qu\u1ea1t h\u1ecfng ho\u1eb7c c\u00f4ng su\u1ea5t nh\u1ecf<\/td>\n<td>C\u1eaft gi\u1ea3m vi\u1ec7c lo\u1ea1i b\u1ecf nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng<\/td>\n<td>X\u00e1c nh\u1eadn hi\u1ec7u su\u1ea5t qu\u1ea1t v\u00e0 logic \u0111i\u1ec1u khi\u1ec3n<\/td>\n<\/tr>\n<tr>\n<td>\u00c1nh n\u1eafng chi\u1ebfu tr\u1ef1c ti\u1ebfp l\u00ean v\u1ecf<\/td>\n<p><T\u0103ng nhi\u1ec7t \u0111\u1ed9 b\u00ean trong v\u01b0\u1ee3t qu\u00e1 gi\u1ea3 \u0111\u1ecbnh thi\u1ebft k\u1ebf<\/td>\n<p><Td>S\u1eed d\u1ee5ng thi\u1ebft k\u1ebf che n\u1eafng, ph\u1ea3n x\u1ea1 ho\u1eb7c th\u00f4ng gi\u00f3 m\u1ea1nh h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong <a href=\"https:\/\/www.pandaexo.com\/vi\/product-tag\/dc-charging-vi\/\">h\u1ec7 th\u1ed1ng s\u1ea1c DC<\/a>, n\u01a1i m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t cao v\u00e0 t\u1ea3i nhi\u1ec7t li\u00ean t\u1ee5c l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng ch\u1ee9 kh\u00f4ng ph\u1ea3i tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t.<\/p>\n<h3>Nguy\u00ean Nh\u00e2n 4: D\u00f2ng R\u00f2 Ng\u01b0\u1ee3c v\u00e0 Xung \u0110i\u1ec7n \u00c1p<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 s\u1ef1 n\u00f3ng l\u00ean \u0111\u1ec1u do d\u1eabn \u0111i\u1ec7n thu\u1eadn. Khi diode \u0111ang ch\u1eb7n \u0111i\u1ec7n \u00e1p ng\u01b0\u1ee3c, d\u00f2ng r\u00f2 v\u00e0 \u1ee9ng su\u1ea5t qu\u00e1 \u0111\u1ed9 c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec7t, \u0111\u1eb7c bi\u1ec7t n\u1ebfu m\u00f4i tr\u01b0\u1eddng cung c\u1ea5p \u0111\u1ea7u v\u00e0o kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>C\u00e1c \u0111\u1ecba \u0111i\u1ec3m s\u1ea1c c\u00f4ng nghi\u1ec7p v\u00e0 th\u01b0\u01a1ng m\u1ea1i c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i xung \u00e1p, nhi\u1ec5u do \u0111\u00f3ng c\u1eaft ho\u1eb7c s\u1ef1 kh\u00f4ng \u1ed5n \u0111\u1ecbnh t\u1eeb ph\u00eda l\u01b0\u1edbi \u0111i\u1ec7n. N\u1ebfu b\u1ea3o v\u1ec7 ch\u1ed1ng xung y\u1ebfu, b\u1ed9 ch\u1ec9nh l\u01b0u c\u00f3 th\u1ec3 b\u1ecb bu\u1ed9c ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng xu\u1ea5t hi\u1ec7n trong ph\u00e9p t\u00ednh d\u00f2ng \u0111i\u1ec7n tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh \u0111\u01a1n gi\u1ea3n.<\/p>\n<p>C\u00e1c b\u01b0\u1edbc gi\u1ea3m thi\u1ec3u \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n<ul>\n<li>Th\u00eam b\u1ea3o v\u1ec7 MOV ho\u1eb7c TVS khi th\u00edch h\u1ee3p<\/li>\n<li>Xem x\u00e9t l\u1ecbch s\u1eed qu\u00e1 \u0111\u1ed9 \u0111\u01b0\u1eddng d\u00e2y v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o<\/li>\n<li>X\u00e1c nh\u1eadn r\u1eb1ng \u0111\u1ecbnh m\u1ee9c \u0111i\u1ec7n \u00e1p ng\u01b0\u1ee3c c\u1ee7a b\u1ed9 ch\u1ec9nh l\u01b0u ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf<\/li>\n<li>Ki\u1ec3m tra xem vi\u1ec7c ti\u1ebfp x\u00fac l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u1edbi xung \u00e1p \u0111\u00e3 l\u00e0m suy y\u1ebfu thi\u1ebft b\u1ecb ch\u01b0a<\/li>\n<\/ul>\n<p>Nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y th\u01b0\u1eddng b\u1ecb ch\u1ea9n \u0111o\u00e1n sai v\u00ec b\u1ed9 ch\u1ec9nh l\u01b0u tr\u00f4ng nh\u01b0 b\u1ecb qu\u00e1 t\u1ea3i trong khi v\u1ea5n \u0111\u1ec1 th\u1ef1c s\u1ef1 l\u00e0 \u1ee9ng su\u1ea5t \u0111i\u1ec7n t\u1eeb ph\u00eda cung c\u1ea5p.<\/p>\n<h3>Nguy\u00ean Nh\u00e2n 5: L\u00e3o H\u00f3a v\u00e0 Chu K\u1ef3 Nhi\u1ec7t<\/h3>\n<p>Ngay c\u1ea3 m\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u00fang c\u0169ng s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng m\u00e3i m\u00e3i nh\u01b0 nhau. Theo th\u1eddi gian, c\u00e1c chu k\u1ef3 n\u00f3ng l\u00ean v\u00e0 l\u00e0m m\u00e1t l\u1eb7p \u0111i l\u1eb7p l\u1ea1i c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111i\u1ec7n tr\u1edf b\u00ean trong, l\u00e0m suy y\u1ebfu c\u1ea5u tr\u00fac h\u00e0n v\u00e0 gi\u1ea3m t\u00ednh nh\u1ea5t qu\u00e1n nhi\u1ec7t tr\u00ean to\u00e0n b\u1ed9 v\u1ecf.<\/p>\n<p>\u0110i\u1ec1u \u0111\u00f3 t\u1ea1o ra m\u1ed9t v\u00f2ng l\u1eb7p ph\u1ea3n h\u1ed3i:<\/p>\n<ol>\n<li>Linh ki\u1ec7n b\u1ecb l\u00e3o h\u00f3a.<\/li>\n<li>\u0110i\u1ec7n tr\u1edf b\u00ean trong t\u0103ng l\u00ean.<\/li>\n<li>Nhi\u1ec7t sinh ra nhi\u1ec1u h\u01a1n \u1edf c\u00f9ng m\u1ed9t t\u1ea3i.<\/li>\n<li>Nhi\u1ec7t t\u0103ng th\u00eam \u0111\u1ea9y nhanh s\u1ef1 suy gi\u1ea3m h\u01a1n n\u1eefa.<\/li>\n<\/ol>\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao m\u1ed9t s\u1ed1 b\u1ed9 s\u1ea1c b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n v\u1ea5n \u0111\u1ec1 v\u1ec1 nhi\u1ec7t v\u00e0o cu\u1ed1i v\u00f2ng \u0111\u1eddi m\u1eb7c d\u00f9 thi\u1ebft k\u1ebf ban \u0111\u1ea7u l\u00e0 t\u1ed1t. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, thay th\u1ebf th\u01b0\u1eddng l\u00e0 gi\u1ea3i ph\u00e1p \u0111\u00fang \u0111\u1eafn, nh\u01b0ng vi\u1ec7c ki\u1ec3m tra v\u1eabn n\u00ean x\u00e1c nh\u1eadn xem s\u1ef1 l\u00e3o h\u00f3a l\u00e0 b\u00ecnh th\u01b0\u1eddng hay do nhi\u1ec7t \u0111\u1ed9 v\u1ecf v\u00e0 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a t\u1ea3i \u0111\u00e3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh \u0111\u00f3.<\/p>\n<p>H\u00ecnh \u1ea3nh nhi\u1ec7t \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch \u1edf \u0111\u00e2y. N\u00f3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m n\u00f3ng tr\u01b0\u1edbc khi b\u1ed9 ch\u1ec9nh l\u01b0u \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i h\u1ecfng h\u00f3c th\u1ea3m kh\u1ed1c v\u00e0 gi\u00fap c\u00e1c nh\u00f3m ph\u00e2n bi\u1ec7t gi\u1eefa l\u00e3o h\u00f3a thi\u1ebft b\u1ecb v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ed1 tr\u00ed nhi\u1ec7t r\u1ed9ng h\u01a1n.<\/p>\n<h3>Quy Tr\u00ecnh Kh\u1eafc Ph\u1ee5c S\u1ef1 C\u1ed1 Qu\u00e1 Nhi\u1ec7t Th\u1ef1c T\u1ebf<\/h3>\n<p>Khi m\u1ed9t b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u ch\u1ea1y qu\u00e1 n\u00f3ng, c\u00e1c nh\u00f3m c\u1ea7n m\u1ed9t quy tr\u00ecnh c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i thay v\u00ec ph\u1ecfng \u0111o\u00e1n. M\u1ee5c ti\u00eau l\u00e0 x\u00e1c \u0111\u1ecbnh xem v\u1ea5n \u0111\u1ec1 l\u00e0 do t\u1ea3i \u0111i\u1ec7n, truy\u1ec1n nhi\u1ec7t, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng hay s\u1ef1 suy gi\u1ea3m thi\u1ebft b\u1ecb.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>B\u01b0\u1edbc<\/th>\n<th>N\u1ed9i dung c\u1ea7n ki\u1ec3m tra<\/th>\n<th>L\u00fd do h\u1eefu \u00edch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u0110o d\u00f2ng t\u1ea3i th\u1ef1c t\u1ebf trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh<\/td>\n<td>X\u00e1c nh\u1eadn li\u1ec7u b\u1ed9 ch\u1ec9nh l\u01b0u c\u00f3 b\u1ecb qu\u00e1 t\u1ea3i trong th\u1ef1c t\u1ebf d\u00f9 tr\u00ean l\u00fd thuy\u1ebft \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ee1 d\u01b0<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Ki\u1ec3m tra giao di\u1ec7n t\u1ea3n nhi\u1ec7t<\/td>\n<td>Ph\u00e1t hi\u1ec7n ti\u1ebfp x\u00fac k\u00e9m, TIM (v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t) ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p ho\u1eb7c l\u1ed7i l\u1eafp \u0111\u1eb7t<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>X\u00e1c minh lu\u1ed3ng kh\u00f4ng kh\u00ed trong v\u1ecf v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a qu\u1ea1t<\/td>\n<td>Nh\u1eadn di\u1ec7n c\u00e1c \u0111i\u1ec3m ngh\u1ebdn l\u00e0m m\u00e1t kh\u00f4ng th\u1ec3 th\u1ea5y khi ki\u1ec3m tra t\u0129nh<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>So s\u00e1nh nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u1edbi gi\u1ea3 \u0111\u1ecbnh trong bi\u1ec3u d\u1eef li\u1ec7u<\/td>\n<td>Ti\u1ebft l\u1ed9 vi\u1ec7c thi\u1ebfu gi\u1ea3m \u0111\u1ecbnh m\u1ee9c trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c \u0111\u1ecba<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>T\u00ecm ki\u1ebfm l\u1ecbch s\u1eed xung ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea7u v\u00e0o kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/td>\n<td>Ph\u00e2n bi\u1ec7t v\u1ea5n \u0111\u1ec1 qu\u00e1 t\u1ea3i v\u1edbi \u1ee9ng su\u1ea5t qu\u00e1 \u0111\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>S\u1eed d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t d\u01b0\u1edbi t\u1ea3i<\/td>\n<td>Cho th\u1ea5y nhi\u1ec7t t\u1eadp trung \u1edf \u0111\u00e2u v\u00e0 li\u1ec7u n\u00f3 l\u00e0 c\u1ee5c b\u1ed9 hay h\u1ec7 th\u1ed1ng<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>Thay th\u1ebf c\u00e1c m\u00f4-\u0111un b\u1ecb l\u00e3o h\u00f3a\/h\u01b0 h\u1ecfng v\u00e0 ki\u1ec3m tra l\u1ea1i<\/td>\n<td>X\u00e1c nh\u1eadn li\u1ec7u v\u1ea5n \u0111\u1ec1 nhi\u1ec7t ban \u0111\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 ch\u01b0a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>N\u1ebfu nh\u00f3m c\u1ee7a b\u1ea1n c\u1ea7n m\u1ed9t t\u00e0i li\u1ec7u tham kh\u1ea3o \u0111\u01a1n gi\u1ea3n h\u01a1n \u0111\u1ec3 c\u00e1ch ly l\u1ed7i sau khi ki\u1ec3m tra nhi\u1ec7t, h\u01b0\u1edbng d\u1eabn c\u1ee7a PandaExo v\u1ec1 <a href=\"https:\/\/www.pandaexo.com\/vi\/troubleshooting-a-3-phase-uncontrolled-bridge-rectifier-in-ev-infrastructure\/\">kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u 3 pha kh\u00f4ng \u0111i\u1ec1u khi\u1ec3n trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c xe \u0111i\u1ec7n<\/a> r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 k\u1ebft h\u1ee3p v\u1edbi b\u00e0i vi\u1ebft t\u1eadp trung v\u00e0o hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t n\u00e0y.<\/p>\n<h3>B\u00e0i h\u1ecdc v\u1ec1 Thi\u1ebft k\u1ebf v\u00e0 Mua s\u1eafm cho c\u00e1c Nh\u00f3m Ph\u1ee5 tr\u00e1ch C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng EV<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t tr\u1ea1m s\u1ea1c EV, c\u00e1c nh\u00e0 khai th\u00e1c \u0111i\u1ec3m s\u1ea1c (CPO) v\u00e0 c\u00e1c nh\u00f3m ph\u1ee5 tr\u00e1ch c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng cho \u0111\u1ed9i xe, hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t kh\u00f4ng ch\u1ec9 l\u00e0 ch\u1ee7 \u0111\u1ec1 b\u1ea3o tr\u00ec. N\u00f3 c\u00f2n l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 mua s\u1eafm. B\u1ed9 ch\u1ec9nh l\u01b0u c\u00f3 chi ph\u00ed th\u1ea5p nh\u1ea5t hi\u1ebfm khi mang l\u1ea1i k\u1ebft qu\u1ea3 r\u1ebb nh\u1ea5t n\u1ebfu n\u00f3 d\u1eabn \u0111\u1ebfn t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c cao h\u01a1n t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, nhi\u1ec1u l\u1ea7n thi\u1ebft k\u1ebf l\u1ea1i h\u1ec7 th\u1ed1ng nhi\u1ec7t h\u01a1n, ho\u1eb7c chu k\u1ef3 b\u1ea3o d\u01b0\u1ee1ng ng\u1eafn h\u01a1n.<\/p>\n<p>C\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00e1ng tin c\u1eady nh\u1ea5t l\u00e0 \u0111\u00e1nh gi\u00e1 vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 ch\u1ec9nh l\u01b0u trong b\u1ed1i c\u1ea3nh to\u00e0n b\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh:<\/p>\n<ul>\n<li>H\u1ed3 s\u01a1 t\u1ea3i li\u00ean t\u1ee5c so v\u1edbi t\u1ea3i \u0111\u1ec9nh<\/li>\n<li>Thi\u1ebft k\u1ebf lu\u1ed3ng kh\u00f4ng kh\u00ed trong t\u1ee7<\/li>\n<li>Kh\u00ed h\u1eadu l\u1eafp \u0111\u1eb7t th\u1ef1c t\u1ebf<\/li>\n<li>M\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac v\u1edbi xung v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n<\/li>\n<li>Kh\u1ea3 n\u0103ng c\u00f3 th\u1ec3 b\u1ea3o d\u01b0\u1ee1ng v\u00e0 bi\u00ean \u0111\u1ed9 nhi\u1ec7t d\u00e0i h\u1ea1n<\/li>\n<\/ul>\n<p>G\u00f3c nh\u00ecn r\u1ed9ng h\u01a1n \u0111\u00f3 l\u00e0 n\u01a1i s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa chuy\u00ean m\u00f4n v\u1ec1 ch\u1ea5t b\u00e1n d\u1eabn, kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t tr\u1ea1m s\u1ea1c v\u00e0 quan \u0111i\u1ec3m c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u1edf c\u1ea5p \u0111\u1ed9 h\u1ec7 th\u1ed1ng c\u1ee7a PandaExo tr\u1edf n\u00ean h\u1eefu \u00edch cho c\u00e1c d\u1ef1 \u00e1n OEM v\u00e0 ODM.<\/p>\n<h3>Th\u00f4ng \u0111i\u1ec7p ch\u00ednh cu\u1ed1i c\u00f9ng<\/h3>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u th\u01b0\u1eddng l\u00e0 tri\u1ec7u ch\u1ee9ng c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c c\u1ee7a s\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p s\u00e2u h\u01a1n gi\u1eefa nhu c\u1ea7u \u0111i\u1ec7n, thi\u1ebft k\u1ebf nhi\u1ec7t, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ef1 l\u00e3o h\u00f3a linh ki\u1ec7n. Gi\u1ea3i ph\u00e1p hi\u1ebfm khi ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 &#8220;d\u00f9ng linh ki\u1ec7n l\u1edbn h\u01a1n&#8221;. \u0110\u00f3 l\u00e0 ph\u1ea3i hi\u1ec3u nhi\u1ec7t sinh ra t\u1eeb \u0111\u00e2u, n\u00f3 ph\u1ea3i tho\u00e1t kh\u1ecfi h\u1ec7 th\u1ed1ng nh\u01b0 th\u1ebf n\u00e0o, v\u00e0 \u0111i\u1ec1u g\u00ec \u0111\u00e3 thay \u0111\u1ed5i t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00f3m x\u00e2y d\u1ef1ng ho\u1eb7c b\u1ea3o tr\u00ec c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c th\u01b0\u01a1ng m\u1ea1i, vi\u1ec7c gi\u1ea3i quy\u1ebft s\u1edbm hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t b\u1ed9 ch\u1ec9nh l\u01b0u s\u1ebd b\u1ea3o v\u1ec7 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng, gi\u1ea3m chi ph\u00ed d\u1ecbch v\u1ee5 l\u1eb7p l\u1ea1i v\u00e0 gi\u1ea3m nguy c\u01a1 h\u01b0 h\u1ecfng th\u1ee9 c\u1ea5p \u1edf c\u00e1c ph\u1ea7n kh\u00e1c trong chu\u1ed7i ngu\u1ed3n. N\u1ebfu b\u1ea1n \u0111ang \u0111\u00e1nh gi\u00e1 ph\u1ea7n c\u1ee9ng s\u1ea1c b\u1ec1n b\u1ec9 h\u01a1n, c\u00e1c linh ki\u1ec7n b\u00e1n d\u1eabn, ho\u1eb7c h\u1ed7 tr\u1ee3 OEM v\u00e0 ODM, h\u00e3y kh\u00e1m ph\u00e1 <a href=\"https:\/\/www.pandaexo.com\/vi\/product-category\/charger-vi\/\">danh m\u1ee5c tr\u1ea1m s\u1ea1c EV c\u1ee7a PandaExo<\/a> ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi <a href=\"https:\/\/www.pandaexo.com\/vi\/contact\/\">\u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt PandaExo<\/a> \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u th\u01b0\u1eddng d\u1ec5 b\u1ecb b\u1ecf qua cho \u0111\u1ebfn khi m\u1ed9t b\u1ed9 b\u1eaft \u0111\u1ea7u ch\u1ea1y \u0111\u1ee7 n\u00f3ng \u0111\u1ec3 \u0111e d\u1ecda th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 s\u1ea1c. Trong h\u1ec7 th\u1ed1ng s\u1ea1c xe \u0111i\u1ec7n, \u0111\u00f3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng. Nhi\u1ec7t \u0111\u1ed9 qu\u00e1 m\u1ee9c \u1edf giai \u0111o\u1ea1n ch\u1ec9nh l\u01b0u kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m<\/p>\n","protected":false},"author":1,"featured_media":907,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[538],"tags":[],"class_list":["post-4153","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\/4153","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=4153"}],"version-history":[{"count":0,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/posts\/4153\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/media\/907"}],"wp:attachment":[{"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/media?parent=4153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/categories?post=4153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandaexo.com\/vi\/wp-json\/wp\/v2\/tags?post=4153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}