{"id":25130,"date":"2011-01-12T11:46:56","date_gmt":"2011-01-12T04:46:56","guid":{"rendered":"https:\/\/banbientan.com\/?p=25130"},"modified":"2011-01-12T11:46:56","modified_gmt":"2011-01-12T04:46:56","slug":"bien-tan-co-tang-giam-duoc-toc-do-dong-co-3-pha-mua-ban-sua-chua-bien-tan-tai-ha-noi","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=25130","title":{"rendered":"Bi\u1ebfn t\u1ea7n c\u00f3 t\u0103ng gi\u1ea3m \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 3 pha ? Mua b\u00e1n s\u1eeda ch\u1eefa bi\u1ebfn t\u1ea7n t\u1ea1i h\u00e0 n\u1ed9i"},"content":{"rendered":"\n

\"\"<\/a>Sau khi t\u00ecm hi\u1ec3u v\u1ec1 bi\u1ebfn t\u1ea7n, c\u00f3 m\u1ed9t s\u1ed1 b\u1ea1n g\u1eedi th\u1eafc m\u1eafc v\u1ec1 cho ch\u00fang t\u00f4i l\u00e0 li\u1ec7u s\u1eed d\u1ee5ng bi\u1ebfn t\u1ea7n c\u00f3 t\u0103ng \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 c\u1ee7a motor 3 pha hay kh\u00f4ng ? 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 nguy\u00ean l\u00fd c\u1ee7a bi\u1ebfn t\u1ea7n<\/h2>\n

V\u1ec1 nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n th\u00ec bi\u1ebfn t\u1ea7n l\u00e0 thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 th\u00edch h\u1ee3p \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 3 pha trong d\u1ea3i t\u1ea7n s\u1ed1 gi\u1edbi h\u1ea1n c\u1ee7a c\u1ea3 bi\u1ebfn t\u1ea7n v\u00e0 motor. L\u01b0u \u00fd bi\u1ebfn t\u1ea7n ch\u1ec9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho motor 3 pha, n\u1ebfu d\u00f9ng cho nh\u1eefng thi\u1ebft b\u1ecb kh\u00e1c c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y n\u1ed5 c\u1ea3 thi\u1ebft b\u1ecb l\u1eabn bi\u1ebfn t\u1ea7n. Th\u01b0\u1eddng th\u00ec ng\u00f5 ra c\u1ee7a m\u1ed9t s\u1ed1 d\u00f2ng bi\u1ebfn t\u1ea7n hi\u1ec7n nay c\u00f3 t\u1ea7n s\u1ed1 l\u00ean t\u1edbi c\u1ea3 1000hz, ch\u00ednh v\u00ec v\u1eady c\u00f3 th\u1ec3 t\u1ea1o ra t\u1ed1c \u0111\u1ed9 r\u1ea5t cao cho motor.<\/p>\n

Bi\u1ebfn t\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong r\u1ea5t nhi\u1ec1u lo\u1ea1i m\u00e1y m\u00f3c kh\u00e1c nhau nh\u01b0 b\u0103ng t\u1ea3i, m\u00e1y n\u00e9n kh\u00ed, c\u1ea7u tr\u1ee5c, m\u00e1y in \u1ed1ng \u0111\u1ed3ng v\u1edbi m\u1ee5c \u0111\u00edch ch\u00ednh l\u00e0 t\u1ea1o ra t\u1ed1c \u0111\u1ed9 c\u1ea7n thi\u1ebft cho t\u1ed1c \u0111\u1ed9 c\u1ee7a \u0111\u1ed9ng c\u01a1 3 pha.<\/p>\n

V\u1eady bi\u1ebfn t\u1ea7n c\u00f3 t\u0103ng t\u1ed1c \u0111\u1ed9 cho \u0111\u1ed9ng c\u01a1 3 pha ?<\/h2>\n

Nh\u01b0 \u0111\u00e3 ph\u00e2n t\u00edch \u1edf tr\u00ean\u00a0bi\u1ebfn t\u1ea7n<\/a>\u00a0c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra t\u1ea7n s\u1ed1 r\u1ea5t cao t\u00f9y t\u1eebng d\u00f2ng. Tuy nhi\u00ean c\u00f2n \u0111\u1ed1i v\u1edbi \u0111\u1ed9ng c\u01a1 3 pha th\u00ec th\u01b0\u1eddng nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ec9 gi\u1edbi h\u1ea1n t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 l\u00e0 50 ho\u1eb7c 60hz. N\u1ebfu mu\u1ed1n t\u0103ng t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 n\u00e0y th\u00ec c\u00e1c b\u1ea1n ch\u1ec9 n\u00ean t\u0103ng t\u1eeb 20-30% so v\u1edbi t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c. V\u00ed d\u1ee5 nh\u01b0 t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c m\u00f4 t\u01a1 3 pha c\u1ee7a b\u1ea1n l\u00e0 60hz th\u00ec c\u00e1c b\u1ea1n ch\u1ec9 n\u00ean ch\u1ea1y \u0111\u1ebfn t\u1ed1i \u0111a 80hz. B\u1edfi v\u00ec\u00a0motor 3 pha<\/a>\u00a0kh\u00f4ng \u0111\u1ed3ng b\u1ed9 khi ch\u1ea1y v\u01b0\u1ee3t qu\u00e1 t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c s\u1ebd b\u1ecb m\u1ea5t torque c\u0169ng nh\u01b0 g\u00e2y n\u00f3ng cho \u1ed5 bi b\u1ea1c \u0111\u1ea1n v\u00e0 r\u1ea5t d\u1ec5 g\u00e2y h\u01b0 h\u1ecfng cho motor.<\/p>\n

Trong th\u1ef1c t\u1ebf \u0111\u00e3 c\u00f3 v\u00ed d\u1ee5 v\u1ec1 m\u1ed9t nh\u00e0 m\u00e1y, v\u00ec mu\u1ed1n t\u0103ng n\u0103ng su\u1ea5t \u0111\u00e3 \u0111\u1ed3ng lo\u1ea1t mua bi\u1ebfn t\u1ea7n v\u1ec1 g\u1eafn cho \u0111\u1ed9ng c\u01a1 t\u0103ng t\u1ea7n s\u1ed1 l\u00ean t\u1eeb 80hz-90hz \u0111\u1ec3 ch\u1ea1y. N\u0103ng su\u1ea5t nh\u00e0 m\u00e1y t\u0103ng l\u00ean t\u1eeb 10-20% so v\u1edbi l\u00fac ch\u01b0a g\u1eafn bi\u1ebfn t\u1ea7n, tuy nhi\u00ean sau 1-2 n\u0103m th\u00ec \u0111\u1ed9ng c\u01a1 c\u00f3 g\u1eafn bi\u1ebfn t\u1ea7n \u0111\u1ec3 t\u0103ng t\u1ed1c d\u1ea7n d\u1ea7n b\u1ecb h\u01b0 h\u1ecfng r\u1ea5t nhi\u1ec1u. Khi so s\u00e1nh gi\u1eefa ph\u1ea7n n\u0103ng su\u1ea5t t\u0103ng th\u00eam v\u00e0 chi ph\u00ed cho vi\u1ec7c g\u1eafn bi\u1ebfn t\u1ea7n c\u0169ng nh\u01b0 thay th\u1ebf motor h\u1ecfng th\u00ec t\u00ednh ra v\u1eabn kh\u00f4ng c\u00f3 l\u1ee3i nhi\u1ec1u. Ch\u00ednh v\u00ec v\u1eady c\u00e1c b\u1ea1n c\u1ea7n t\u00ednh to\u00e1n th\u1eadt k\u1ef9 tr\u01b0\u1edbc khi ra quy\u1ebft \u0111\u1ecbnh mua bi\u1ebfn t\u1ea7n \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 cho \u0111\u1ed9ng c\u01a1 3 pha.<\/p>\n

V\u1edbi m\u1ed9t s\u1ed1 d\u00f2ng \u0111\u1ed9ng c\u01a1 c\u00f3 t\u1ed1c \u0111\u1ed9 cao nh\u01b0 m\u1ed9t s\u1ed1 lo\u1ea1i motor torque hay spindle th\u00ec t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c r\u1ea5t cao t\u1eeb 400hz cho \u0111\u1ebfn 1000hz. Khi s\u1eed d\u1ee5ng nh\u1eefng lo\u1ea1i m\u00f4 t\u01a1 n\u00e0y th\u00ec b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9ng c\u01a1 b\u1eb1ng bi\u1ebfn t\u1ea7n m\u1ed9t c\u00e1ch tho\u1ea3i m\u00e1i. L\u01b0u \u00fd khi s\u1eed d\u1ee5ng nh\u1eefng lo\u1ea1i \u0111\u1ed9ng c\u01a1 c\u00f3 t\u1ea7n s\u1ed1 cao c\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i c\u00e0i \u0111\u1eb7t \u0111\u00fang th\u00f4ng s\u1ed1 \u0111\u1ed9ng c\u01a1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o momen v\u00e0 ampe c\u1ee7a \u0111\u1ed9ng c\u01a1 kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i.<\/p>\n

C\u00f2n mu\u1ed1n gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 c\u00f3 d\u00f9ng bi\u1ebfn t\u1ea7n \u0111\u01b0\u1ee3c kh\u00f4ng ?<\/h2>\n

C\u0169ng c\u00f3 r\u1ea5t nhi\u1ec1u qu\u00fd kh\u00e1ch h\u00e0ng g\u1eedi c\u00e2u h\u1ecfi v\u1ec1 cho ch\u00fang t\u00f4i r\u1eb1ng n\u1ebfu mua bi\u1ebfn t\u1ea7n v\u1ec1 \u0111\u1ec3 gi\u1ea3m t\u1ed1c \u0111\u1ed9 motor 3 pha c\u00f3 \u0111\u01b0\u1ee3c hay kh\u00f4ng ? C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 c\u00f3 nh\u01b0ng c\u00e1c b\u1ea1n ph\u1ea3i l\u01b0u \u00fd m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 nh\u01b0 sau:<\/p>\n

    \n
  • V\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 3 pha kh\u00f4ng \u0111\u1ed3ng b\u1ed9 khi gi\u1ea3m t\u1ed1c \u0111\u1ed9 v\u1edbi bi\u1ebfn t\u1ea7n th\u00ec th\u01b0\u1eddng k\u00e8m theo l\u00e0 l\u1ef1c c\u1ee7a motor s\u1ebd gi\u1ea3m h\u01a1n so v\u1edbi ch\u1ea1y \u1edf t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c 50\/60 Hz.<\/li>\n
  • Khi gi\u1ea3m t\u1ea7n s\u1ed1 bi\u1ebfn t\u1ea7n v\u1ec1 d\u01b0\u1edbi 20Hz th\u00ec trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng motor kh\u00f4ng t\u1ea3i v\u1eabn quay nh\u01b0ng khi c\u00f3 t\u1ea3i th\u00ec c\u00f3 th\u1ec3 x\u1ea3y ra tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9ng c\u01a1 s\u1ebd kh\u00f4ng quay \u0111\u01b0\u1ee3c.<\/li>\n
  • Khi gi\u1ea3m t\u1ed1c \u0111\u1ed9 c\u1ee7a motor v\u00e0o kho\u1ea3ng 30-40Hz th\u00ec c\u00f3 th\u1ec3 s\u1ebd t\u1ea1o ra ti\u1ebfng \u1ed3n to h\u01a1n b\u00ecnh th\u01b0\u1eddng so v\u1edbi khi ch\u1ea1y \u1edf t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c.<\/li>\n<\/ul>\n

    Ch\u00ednh v\u00ec v\u1eady m\u00e0 khi l\u1ef1a ch\u1ecdn bi\u1ebfn t\u1ea7n \u0111\u1ec3 l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 c\u00e1c b\u1ea1n c\u1ea7n t\u00ednh to\u00e1n th\u1eadt k\u1ef9, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p th\u00ec c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 t\u00ednh t\u1edbi chuy\u1ec7n l\u00e0m nh\u1ecf puly ho\u1eb7c g\u1eafn th\u00eam h\u1ed9p s\u1ed1 gi\u1ea3m t\u1ed1c cho motor \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n hi\u1ec7n t\u1ea1i.<\/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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