{"id":25161,"date":"2011-01-12T15:46:22","date_gmt":"2011-01-12T08:46:22","guid":{"rendered":"https:\/\/banbientan.com\/?p=25161"},"modified":"2011-01-12T15:46:22","modified_gmt":"2011-01-12T08:46:22","slug":"tim-hieu-ve-loi-qua-dong-tren-bien-tan-oc1-oc2-mua-ban-sua-chua-bien-tan-tai-ha-noi","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=25161","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 l\u1ed7i qu\u00e1 d\u00f2ng tr\u00ean bi\u1ebfn t\u1ea7n oc1 oc2. Mua b\u00e1n s\u1eeda ch\u1eefa bi\u1ebfn t\u1ea7n t\u1ea1i h\u00e0 n\u1ed9i"},"content":{"rendered":"\n

\"\"<\/a>Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh v\u00e0 s\u1eed d\u1ee5ng bi\u1ebfn t\u1ea7n, m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p ta g\u1eb7p ph\u1ea3i l\u1ed7i qu\u00e1 d\u00f2ng oc 1 oc 2 tr\u00ean bi\u1ebfn t\u1ea7n. V\u1eady nguy\u00ean nh\u00e2n c\u1ee7a l\u1ed7i n\u00e0y v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c ra sao ? m\u1eddi c\u00e1c b\u1ea1n c\u00f9ng tham kh\u1ea3o b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/p>\n

T\u00ecm hi\u1ec3u c\u01a1 b\u1ea3n v\u1ec1 l\u1ed7i qu\u00e1 d\u00f2ng OC1 OC2 tr\u00ean bi\u1ebfn t\u1ea7n<\/h2>\n

Trong c\u1ea5u t\u1ea1o c\u1ee7a bi\u1ebfn t\u1ea7n th\u01b0\u1eddng c\u00f3 3 c\u1ea3m bi\u1ebfn( sensor d\u00f2ng) d\u00f2ng \u0111\u01b0\u1ee3c g\u1eafn \u1edf ng\u00f5 ra \u0111\u1ec3 \u0111o t\u00edn hi\u1ec7u d\u00f2ng \u0111i\u1ec7n t\u1eeb bi\u1ebfn t\u1ea7n ra motor. N\u1ebfu d\u00f2ng \u0111i\u1ec7n v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng cho ph\u00e9p th\u00ec th\u01b0\u1eddng c\u1ea3nh b\u00e1o l\u1ed7i oc1 oc 2( oc l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a t\u1eeb ti\u1ebfng Anh c\u00f3 ngh\u0129a l\u00e0 over current). T\u00f9y theo t\u1eebng lo\u1ea1i bi\u1ebfn t\u1ea7n m\u00e0 ng\u01b0\u1eddi ta quy \u0111\u1ecbnh m\u00e3 l\u1ed7i oc 1 v\u00e0 oc 2. Th\u01b0\u1eddng th\u00ec b\u00e1o l\u1ed7i oc 1 c\u00f3 ngh\u0129a l\u00e0 qu\u00e1 d\u00f2ng c\u1ee7a \u0111\u1ed9ng c\u01a1, \u1edf \u0111\u00e2y hi\u1ec3u l\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111ang v\u01b0\u1ee3t ng\u01b0\u1ee1ng c\u00e0i \u0111\u1eb7t b\u1ea3o v\u1ec7 c\u1ee7a bi\u1ebfn t\u1ea7n.<\/p>\n

C\u00f2n \u0111\u1ed1i v\u1edbi l\u1ed7i oc 2 c\u00f3 ngh\u0129a l\u00e0 d\u00f2ng \u0111i\u1ec7n c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111ang v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng cho ph\u00e9p c\u1ee7a bi\u1ebfn t\u1ea7n. C\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i ph\u00e2n bi\u1ec7t r\u00f5 hai lo\u1ea1i l\u1ed7i gi\u1eefa qu\u00e1 d\u00f2ng motor v\u00e0 qu\u00e1 d\u00f2ng tr\u00ean bi\u1ebfn t\u1ea7n. L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra khi m\u1edf ngu\u1ed3n bi\u1ebfn t\u1ea7n ho\u1eb7c trong qu\u00e1 tr\u00ecnh ch\u1ea1y, m\u1eddi c\u00e1c b\u1ea1n xem chi ti\u1ebft \u1edf ph\u1ea7n d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n

Khi bi\u1ebfn t\u1ea7n x\u1ea3y ra l\u1ed7i OC qu\u00e1 d\u00f2ng th\u00ec c\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i ki\u1ec3m tra l\u1ea1i ph\u1ea7n c\u1ee9ng, th\u00f4ng s\u1ed1 bi\u1ebfn t\u1ea7n v\u00e0 motor ngay v\u00ec n\u1ebfu c\u1ed1 t\u00ecnh reset l\u1ed7i \u0111\u1ec3 ch\u1ea1y l\u1ea1i th\u00ec c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng n\u1eb7ng h\u01a1n ho\u1eb7c ch\u00e1y n\u1ed5 cho motor v\u00e0 bi\u1ebfn t\u1ea7n.<\/p>\n

M\u1edf ngu\u1ed3n l\u00ean l\u00e0 bi\u1ebfn t\u1ea7n b\u00e1o l\u1ed7i OC<\/h2>\n

N\u1ebfu bi\u1ebfn t\u1ea7n c\u1ee7a b\u1ea1n b\u1ecb t\u00ecnh tr\u1ea1ng v\u1eeba m\u1edf ngu\u1ed3n l\u00ean \u0111\u00e3 b\u00e1o l\u1ed7i oc th\u00ec c\u00f3 kh\u1ea3 n\u0103ng cao l\u00e0 sensor d\u00f2ng b\u1ecb h\u1ecfng n\u00ean ph\u1ea3n h\u1ed3i t\u00edn hi\u1ec7u v\u1ec1\u00a0bi\u1ebfn t\u1ea7n<\/a>\u00a0b\u1ecb sai. Ho\u1eb7c c\u0169ng c\u00f3 th\u1ec3 do d\u00e2y d\u1eabn c\u1ee7a c\u1ea3m bi\u1ebfn d\u00f2ng v\u1ec1 board \u0111i\u1ec1u khi\u1ec3n b\u1ecb m\u1ea5t k\u1ebft n\u1ed1i c\u0169ng d\u1eabn t\u1edbi l\u1ed7i n\u00e0y.<\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 bi\u1ebfn t\u1ea7n c\u0169 \u0111\u1ec3 l\u00e2u ng\u00e0y d\u1eabn t\u1edbi \u0111\u1ea7u jack c\u1ee7a c\u1ea3m bi\u1ebfn d\u00f2ng ti\u1ebfp x\u00fac kh\u00f4ng t\u1ed1t, b\u1ea1n c\u1ea7n ki\u1ec3m tra v\u00e0 v\u1ec7 sinh l\u1ea1i jack c\u1eafm n\u00e0y xem c\u00f3 c\u1ea3i thi\u1ec7n kh\u00f4ng nh\u00e9.<\/p>\n

B\u1ea5m run l\u00e0 b\u00e1o l\u1ed7i OC ngay<\/h2>\n

N\u1ebfu b\u1ea1n g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng khi c\u00f3 l\u1ec7nh ch\u1ea1y l\u00e0 bi\u1ebfn t\u1ea7n b\u00e1o l\u1ed7i qu\u00e1 d\u00f2ng th\u00ec l\u00fac n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng c\u00f4ng su\u1ea5t ng\u00f5 ra c\u1ee7a bi\u1ebfn t\u1ea7n \u0111\u00e3 b\u1ecb h\u01b0 h\u1ecfng. B\u1ea1n c\u1ea7n ph\u1ea3i \u0111o l\u00e0 IGBT ng\u00f5 ra xem c\u00f3 b\u1ecb ng\u1eafn m\u1ea1ch hay kh\u00f4ng ? Sau \u0111\u00f3 \u0111\u01b0a ra ph\u01b0\u01a1ng \u00e1n thay th\u1ebf c\u00f4ng su\u1ea5t ng\u00f5 ra nh\u00e9.<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u0169ng c\u00f3 th\u1ec3 b\u1ea1n \u0111ang \u0111\u1ea5u d\u00e2y motor b\u1ecb sai ho\u1eb7c ng\u00f5 ra b\u1ecb ng\u1eafn m\u1ea1ch c\u0169ng s\u1ebd b\u00e1o l\u1ed7i ngay sau khi c\u00f3 l\u1ec7nh ch\u1ea1y.<\/p>\n

Bi\u1ebfn t\u1ea7n b\u00e1o l\u1ed7i OC trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng<\/h2>\n

Tr\u01b0\u1eddng h\u1ee3p n\u00e0y th\u00ec li\u00ean quan \u0111\u1ebfn t\u1ea3i v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng c\u1ee7a bi\u1ebfn t\u1ea7n. B\u1ea1n n\u00ean ki\u1ec3m tra l\u1ea1i nameplate c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 nameplate c\u1ee7a bi\u1ebfn t\u1ea7n xem c\u00f3 ph\u00f9 h\u1ee3p hay kh\u00f4ng ? Ki\u1ec3m tra xem motor c\u00f3 b\u1ecb k\u1eb9t t\u1ea3i hay b\u1ecb v\u1ea5n \u0111\u1ec1 g\u00ec v\u1ec1 c\u01a1 kh\u00ed hay kh\u00f4ng ? Ph\u01b0\u01a1ng \u00e1n c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c t\u1ea1m th\u1eddi trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 c\u00e1c b\u1ea1n c\u00e0i th\u1eddi gian t\u0103ng gi\u1ea3m t\u1ed1c c\u1ee7a bi\u1ebfn t\u1ea7n d\u00e0i ra nh\u00e9.<\/p>\n

C\u00f4ng ty TNHH \u0111i\u1ec7n v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a H\u01b0ng Long (Hung Long AE Co.,ltd)<\/strong><\/p>\n

S\u1ed1 66, Ng\u00f5 282 Kim Giang, Ph\u01b0\u1eddng \u0110\u1ea1i Kim, Qu\u1eadn Ho\u00e0ng Mai, H\u00e0 N\u1ed9i<\/strong><\/p>\n

Mua b\u00e1n, l\u1eafp \u0111\u1eb7t, c\u00e0i \u0111\u1eb7t, s\u1eeda ch\u1eeda Bi\u1ebfn t\u1ea7n v\u00e0 c\u00e1c thi\u1ebft b\u1ecb t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/u><\/strong><\/p>\n

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