{"id":25090,"date":"2011-01-12T09:09:04","date_gmt":"2011-01-12T02:09:04","guid":{"rendered":"https:\/\/banbientan.com\/?p=25090"},"modified":"2011-01-12T09:09:04","modified_gmt":"2011-01-12T02:09:04","slug":"so-sanh-bien-tan-khoi-dong-mem-sao-tam-giac-v","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=25090","title":{"rendered":"So s\u00e1nh bi\u1ebfn t\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u1ec1m sao tam gi\u00e1c Mua b\u00e1n s\u1eeda ch\u1eefa bi\u1ebfn t\u1ea7n t\u1ea1i h\u00e0 n\u1ed9i"},"content":{"rendered":"\n

\"\"<\/a>Trong c\u00f4ng nghi\u1ec7p th\u00ec c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng cho motor bao g\u1ed3m bi\u1ebfn t\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u1ec1m soft starter hay kh\u1edfi \u0111\u1ed9ng sao tam gi\u00e1c. V\u1eady \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 th\u1ebf n\u00e0o ? m\u1eddi c\u00e1c b\u1ea1n c\u00f9ng t\u00ecm hi\u1ec3u c\u01a1 b\u1ea3n qua b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/p>\n

T\u00ecm hi\u1ec3u c\u01a1 b\u1ea3n v\u1ec1 bi\u1ebfn t\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u1ec1m sao tam gi\u00e1c<\/h2>\n

Bi\u1ebfn t\u1ea7n l\u00e0 thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c t\u1ea7n s\u1ed1 c\u1ee7a \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u chuy\u00ean \u1ee9ng d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1. Bi\u1ebfn t\u1ea7n \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o b\u1edfi ph\u1ea7n \u0111\u1ea7u v\u00e0o bao g\u1ed3m diode v\u00e0 t\u1ee5 \u0111i\u1ec7n, ph\u1ea7n ng\u00f5 ra l\u00e0 IGBT \u0111\u1ec3 \u0111\u00f3ng c\u1eaft \u00e1p m\u1ed9t chi\u1ec1u t\u1ea1o th\u00e0nh \u00e1p g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi xoay chi\u1ec1u.<\/p>\n

Kh\u1edfi \u0111\u1ed9ng m\u1ec1m l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng v\u00e0 d\u1eebng \u0111\u1ed9ng c\u01a1 3 pha xoay chi\u1ec1u. V\u1ec1 nguy\u00ean t\u1eafc th\u00ec kh\u1edfi \u0111\u1ed9ng m\u1ec1m ch\u1ec9 thay \u0111\u1ed5i \u00e1p xoay chi\u1ec1u t\u1eeb 0 \u0111\u1ebfn t\u1ea7n s\u1ed1 t\u1ed1i \u0111a c\u1ee7a ngu\u1ed3n \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng cho motor n\u00ean kh\u1edfi \u0111\u1ed9ng m\u1ec1m th\u01b0\u1eddng c\u1ea5u t\u1ea1o b\u1eb1ng linh ki\u1ec7n SCR.<\/p>\n

M\u1ea1ch kh\u1edfi \u0111\u1ed9ng sao tam gi\u00e1c th\u1ef1c ch\u1ea5t l\u00e0 m\u1ea1ch s\u1eed d\u1ee5ng kh\u1edfi \u0111\u1ed9ng t\u1eeb \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng \u0111\u1ed3ng c\u01a1 theo hai c\u1ea5p t\u1ed1c \u0111\u1ed9 m\u1ee5c \u0111\u00edch l\u00e0 \u0111\u1ec3 gi\u1ea3m d\u00f2ng kh\u1edfi \u0111\u1ed9ng cho motor.<\/p>\n

Kh\u1ea3 n\u0103ng thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 c\u1ee7a bi\u1ebfn t\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u1ec1m sao tam gi\u00e1c<\/h2>\n

Trong 3 thi\u1ebft b\u1ecb n\u00eau tr\u00ean ch\u1ec9 c\u00f3 duy nh\u1ea5t bi\u1ebfn t\u1ea7n l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 c\u1ee7a \u0111\u1ed9ng c\u01a1 c\u00f2n kh\u1edfi \u0111\u1ed9ng m\u1ec1m v\u00e0 sao tam gi\u00e1c ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng hay d\u1eebng motor m\u00e0 th\u00f4i.<\/p>\n

Ch\u00ednh v\u00ec v\u1eady m\u00e0 trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ea7n motor ch\u1ea1y nhanh ho\u1eb7c ch\u1eadm h\u01a1n b\u00ecnh th\u01b0\u1eddng b\u1eaft bu\u1ed9c ng\u01b0\u1eddi thi\u1ebft k\u1ebf ph\u1ea3i ch\u1ecdn bi\u1ebfn t\u1ea7n cho h\u1ec7 th\u1ed1ng.<\/p>\n

Nh\u1edd \u0111\u1eb7c t\u00ednh thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c m\u00e0 bi\u1ebfn t\u1ea7n c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c \u0111\u00e1ng k\u1ec3 l\u01b0\u1ee3ng \u0111i\u00ean n\u0103ng ti\u00eau hao so v\u1edbi ph\u01b0\u01a1ng \u00e1n kh\u1edfi \u0111\u1ed9ng m\u1ec1m v\u00e0o sao tam gi\u00e1c.<\/p>\n

T\u00ednh n\u0103ng b\u1ea3o v\u1ec7 cho \u0111\u1ed9ng c\u01a1 c\u1ee7a bi\u1ebfn t\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u1ec1m sao tam gi\u00e1c<\/h2>\n

\u0110\u1ed1i v\u1edbi m\u1ea1ch kh\u1edfi \u0111\u1ed9ng sao tam gi\u00e1c trong th\u1ef1c t\u1ebf th\u00ec g\u1ea7n nh\u01b0 motor ch\u1ec9 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng b\u1eb1ng relay nhi\u1ec7t( \u0111u\u00f4i nhi\u1ec7t) g\u1eafn tr\u1ef1c ti\u1ebfp v\u00e0o contactor ch\u00ednh v\u00ec v\u1eady m\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 cho \u0111\u1ed9ng c\u01a1 c\u1ee7a m\u1ea1ch kh\u1edfi \u0111\u1ed9ng sao tam gi\u00e1c l\u00e0 th\u1ea5p nh\u1ea5t.<\/p>\n

Kh\u1edfi \u0111\u1ed9 m\u1ec1m so v\u1edbi m\u1ea1ch sao tam gi\u00e1c th\u00ec \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00eam m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 nh\u01b0 qu\u00e1 t\u1ea3i, qu\u00e1 d\u00f2ng qu\u00e1 \u00e1p, ch\u1ea1m \u0111\u1ea5t m\u1ea5t pha ng\u00f5 v\u00e0o \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i cao c\u1ea5p sau n\u00e0y.<\/p>\n

Bi\u1ebfn t\u1ea7n l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 nh\u1ea5t bao g\u1ed3m c\u00e1c t\u00ednh n\u0103ng c\u1ee7a kh\u1edfi \u0111\u1ed9ng m\u1ec1m v\u00e0 th\u00eam t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 li\u00ean quan t\u1edbi qu\u00e1 nhi\u1ec7t bi\u1ebfn t\u1ea7n, m\u1ea5t t\u1ea3i, qu\u00e1 \u00e1p, th\u1ea5p \u00e1p ng\u00f5 v\u00e0o.<\/p>\n

Gi\u00e1 c\u1ea3 c\u1ee7a bi\u1ebfn t\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u1ec1m sao tam gi\u00e1c<\/h2>\n

Qua m\u1ed9t s\u1ed1 ph\u1ea7n so s\u00e1nh \u1edf tr\u00ean c\u00e1c b\u1ea1n \u0111\u1ec1u c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng bi\u1ebfn t\u1ea7n t\u1ecf ra r\u1ea5t v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi kh\u1edfi \u0111\u1ed9ng m\u1ec1m v\u00e0o sao tam gi\u00e1c. Nh\u01b0ng b\u00f9 l\u1ea1i \u1edf ph\u1ea7n so s\u00e1nh v\u1ec1 gi\u00e1 c\u1ea3 th\u00ec bi\u1ebfn t\u1ea7n l\u1ea1i \u0111\u00e1nh m\u1ea5t \u01b0u th\u1ebf b\u1edfi v\u00ec gi\u00e1 c\u1ee7a bi\u1ebfn t\u1ea7n th\u01b0\u1eddng l\u00e0 cao nh\u1ea5t trong 3 ph\u01b0\u01a1ng \u00e1n.<\/p>\n

Kh\u1edfi \u0111\u1ed9ng m\u1ec1m s\u1ebd c\u00f3 gi\u00e1 th\u00e0nh n\u1eb1m \u1edf m\u1ee9c gi\u1eefa v\u1edbi m\u1ee9c gi\u00e1 r\u1ebb h\u01a1n bi\u1ebfn t\u1ea7n m\u00e0 l\u1ea1i cao h\u01a1n m\u1ea1ch kh\u1edfi \u0111\u1ed9ng sao tam gi\u00e1c.<\/p>\n

L\u01b0u \u00fd: hi\u1ec7n nay c\u00f3 m\u1ed9t s\u1ed1 d\u00f2ng bi\u1ebfn t\u1ea7n Trung Qu\u1ed1c gi\u00e1 r\u1ebb c\u00f3 gi\u00e1 th\u00e0nh r\u1ea5t c\u1ea1nh tranh n\u00ean c\u00f3 th\u1ec3 s\u1ebd r\u1ebb h\u01a1n m\u1ed9t s\u1ed1 d\u00f2ng kh\u1edfi \u0111\u1ed9ng m\u1ec1m lo\u1ea1i cao c\u1ea5p c\u1ee7a nh\u1eefng th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn. V\u00ec v\u1eady n\u00ean ph\u1ea7n so s\u00e1nh v\u1ec1 gi\u00e1 n\u00e0y t\u00ednh cho thi\u1ebft b\u1ecb c\u00f9ng h\u00e3ng \u0111\u1ec3 cho c\u00e1c b\u1ea1n d\u1ec5 h\u00ecnh dung.<\/p>\n

So s\u00e1nh m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng kh\u00e1c c\u1ee7a bi\u1ebfn t\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u1ec1m sao tam gi\u00e1c<\/h2>\n

Do c\u00f3 c\u1ea5u t\u1ea1o b\u1edfi nhi\u1ec1u linh ki\u1ec7n nh\u1ea5t n\u00ean n\u1ebfu so s\u00e1nh v\u1ec1 k\u00edch th\u01b0\u1edbc th\u00ec bi\u1ebfn t\u1ea7n c\u00f9ng c\u00f4ng su\u1ea5t v\u1edbi kh\u1edfi \u0111\u1ed9ng m\u1ec1m v\u00e0 sao tam gi\u00e1c s\u1ebd c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn nh\u1ea5t. Kh\u1edfi \u0111\u1ed9ng m\u1ec1m v\u00e0 sao tam gi\u00e1c th\u00ec c\u00f3 k\u00edch th\u01b0\u1edbc g\u1ea7n nh\u01b0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau.<\/p>\n

V\u1ec1 kh\u1ea3 n\u0103ng c\u00e0i \u0111\u1eb7t th\u1eddi gian t\u0103ng gi\u1ea3m t\u1ed1c th\u00ec \u1edf bi\u1ebfn t\u1ea7n s\u1ebd linh ho\u1ea1t v\u1edbi d\u1ea3i th\u1eddi gian d\u00e0i h\u01a1n, c\u00f2n kh\u1edfi \u0111\u1ed9ng m\u1ec1m th\u00ec c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c nh\u01b0ng ph\u1ea1m vi \u0111i\u1ec1u ch\u1ec9nh ng\u1eafn h\u01a1n. C\u00f2n th\u1eddi gian kh\u1edfi \u0111\u1ed9ng b\u1eb1ng m\u1ea1ch sao tam gi\u00e1c g\u1ea7n nh\u01b0 ch\u1ec9 ch\u1ec9nh \u0111\u01b0\u1ee3c b\u1eb1ng timer.<\/p>\n

V\u1ec1 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u1edbi h\u1ec7 truy\u1ec1n th\u00f4ng plc, hmi scada th\u00ec bi\u1ebfn t\u1ea7n c\u0169ng t\u1ecf ra v\u01b0\u1ee3t tr\u1ed9i c\u00f3 th\u1ec3 theo d\u00f5i \u0111\u01b0\u1ee3c th\u00f4ng s\u1ed1 d\u00f2ng \u0111i\u1ec7n, t\u1ea7n s\u1ed1, \u0111i\u1ec7n \u00e1p, c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 c\u1ee7a \u0111\u1ed9ng c\u01a1. Kh\u1edfi \u0111\u1ed9ng m\u1ec1m c\u1ee7a m\u1ed9t s\u1ed1 h\u00e3ng d\u00f2ng cao c\u1ea5p v\u1eabn c\u00f3 truy\u1ec1n th\u00f4ng nh\u01b0ng ch\u1ec9 theo d\u00f5i \u0111\u01b0\u1ee3c \u00edt th\u00f4ng s\u1ed1. Trong khi \u0111\u00f3 m\u1ea1ch sao tam gi\u00e1c g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i truy\u1ec1n th\u00f4ng.<\/p>\n

K\u1ebft lu\u1eadn khi so s\u00e1nh bi\u1ebfn t\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u1ec1m sao tam gi\u00e1c<\/h2>\n

Nh\u01b0 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u00e3 so s\u00e1nh \u1edf tr\u00ean th\u00ec khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng kh\u1edfi \u0111\u1ed9ng cho motor th\u00ec c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m sau \u0111\u1ec3 \u0111\u01b0a ra s\u1ef1 l\u1ef1a ch\u1ecdn:<\/p>\n

    \n
  • N\u1ebfu h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 v\u00e0 c\u00f3 gi\u00e1m s\u00e1t l\u00ean plc, hmi v\u00e0 scada th\u00ec n\u00ean l\u1ef1a ch\u1ecdn bi\u1ebfn t\u1ea7n d\u00f9 m\u1ee9c kinh ph\u00ed \u0111\u1ea7u t\u01b0 s\u1ebd t\u01b0\u01a1ng \u0111\u1ed1i cao.<\/li>\n
  • C\u00f2n tr\u01b0\u1eddng h\u1ee3p ch\u1ec9 c\u1ea7n kh\u1edfi \u0111\u1ed9ng motor sau \u0111\u00f3 ch\u1ea1y \u1edf m\u1ed9t c\u1ea5p t\u1ed1c \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh m\u00e0 \u0111\u1ed9ng c\u01a1 c\u00f4ng su\u1ea5t l\u1edbn th\u00ec n\u00ean l\u1ef1a ch\u1ecdn kh\u1edfi \u0111\u1ed9ng m\u1ec1m \u0111\u1ec3 gi\u00fap motor kh\u1edfi \u0111\u1ed9ng nh\u1eb9 nh\u00e0ng h\u01a1n, gi\u1ea3m s\u1ed1c v\u1ec1 c\u01a1 v\u00e0 \u0111i\u1ec7n cho m\u00f4 t\u01a1.<\/li>\n
  • \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 motor lo\u1ea1i nh\u1ecf th\u00ec c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng \u00e1n kh\u1edfi \u0111\u1ed9ng b\u1eb1ng m\u1ea1ch sao tam gi\u00e1c \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t.<\/li>\n<\/ul>\n

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

    #banbientan.com<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":25091,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[38,41],"class_list":["post-25090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cau-hoi-ve-bien-tan","tag-bin-tn-gia-re","tag-tiet-kiem"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/25090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25090"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/25090\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}