{"id":25331,"date":"2011-01-14T15:27:55","date_gmt":"2011-01-14T08:27:55","guid":{"rendered":"https:\/\/banbientan.com\/?p=25331"},"modified":"2011-01-14T15:27:55","modified_gmt":"2011-01-14T08:27:55","slug":"tai-sao-motor-bi-on-hu-co-tieng-keu-la-khi-su-dung-bien-tan-bien-tan-tai-ha-noi","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=25331","title":{"rendered":"T\u1ea1i sao motor b\u1ecb \u1ed3n h\u00fa c\u00f3 ti\u1ebfng k\u00eau l\u1ea1 khi s\u1eed d\u1ee5ng bi\u1ebfn t\u1ea7n ? BI\u1ebeN T\u1ea6N T\u1ea0I H\u00c0 N\u1ed8I"},"content":{"rendered":"\n<p><a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2021\/01\/bl.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-25332\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2021\/01\/bl.jpg\" alt=\"\" width=\"881\" height=\"413\" \/><\/a>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p khi l\u1eafp bi\u1ebfn t\u1ea7n cho motor ch\u00fang ta s\u1ebd nghe motor c\u00f3 ti\u1ebfng \u1ed3n ki\u1ec3u r\u00edt ho\u1eb7c g\u1ea7m nh\u1eb9 nh\u1eb9. V\u1eady ti\u1ebfng \u0111\u1ed9ng \u0111\u00f3 do \u0111\u00e2u ? v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c nh\u01b0 th\u1ebf n\u00e0o ? M\u1eddi c\u00e1c b\u1ea1n tham kh\u1ea3o b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/p>\n<h2>Nguy\u00ean nh\u00e2n g\u00e2y ti\u1ebfng \u1ed3n cho \u0111\u1ed9ng c\u01a1 khi ch\u1ea1y bi\u1ebfn t\u1ea7n<\/h2>\n<p>Ng\u00f5 ra c\u1ee7a bi\u1ebfn t\u1ea7n th\u1ef1c ch\u1ea5t kh\u00f4ng ph\u1ea3i gi\u1ed1ng \u0111i\u1ec7n 3 pha h\u00ecnh sin b\u00ecnh th\u01b0\u1eddng m\u00e0 l\u00e0 d\u1ea1ng s\u00f3ng \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb s\u1ef1 \u0111\u00f3ng ng\u1eaft t\u1ea7n s\u1ed1 cao c\u1ee7a IGBT. Khi bi\u1ebfn t\u1ea7n ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ed9t d\u00e3i t\u1ea7n s\u1ed1 nh\u1ea5t \u0111\u1ecbnh s\u1ebd c\u1ed9ng h\u01b0\u1edfng v\u1edbi t\u1ea7n s\u1ed1 \u0111\u00f3ng c\u1eaft c\u1ee7a c\u1ee7a IGBT t\u1ea1o ra ti\u1ebfng k\u00eau kh\u00e1c th\u01b0\u1eddng so v\u1edbi l\u00fac kh\u00f4ng d\u00f9ng\u00a0<a href=\"https:\/\/banbientan.com\" target=\"_blank\" rel=\"noopener noreferrer\">bi\u1ebfn t\u1ea7n<\/a>.<\/p>\n<p>L\u01b0u \u00fd \u0111\u1ec3 ph\u00e2n bi\u1ec7t ti\u1ebfng k\u00eau t\u1ea1o ra do d\u00f9ng bi\u1ebfn t\u1ea7n th\u00ec c\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i th\u1eed l\u00fac c\u00f3 bi\u1ebfn t\u1ea7n v\u00e0 l\u00fac ch\u1ea1y tr\u1ef1c ti\u1ebfp \u0111\u1ec3 tr\u00e1nh m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p motor b\u1ecb h\u01b0 \u1ed5 bi b\u1ea1c \u0111\u1ea1n v\u1eabn c\u00f3 th\u1ec3 t\u1ea1o ra ti\u1ebfng k\u00eau.<\/p>\n<p>C\u00f3 m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p khi \u0111\u1ed9ng c\u01a1 ch\u1ea1y kh\u00f4ng t\u1ea3i th\u00ec kh\u00f4ng c\u00f3 ti\u1ebfng k\u00eau, c\u00f2n n\u1ebfu motor ch\u1ea1y c\u00f3 t\u1ea3i l\u1ea1i ph\u00e1t ra ti\u1ebfng k\u00eau. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00e1c b\u1ea1n n\u00ean ki\u1ec3m tra l\u1ea1i th\u1eadt k\u1ef9 \u0111\u1ed9ng c\u01a1 \u0111ang d\u00f9ng ho\u1eb7c ph\u1ea7n truy\u1ec1n \u0111\u1ed9ng bao g\u1ed3m h\u1ed9p s\u1ed1 gi\u1ea3m t\u1ed1c d\u00e2y cua ra nh\u00f4ng buli c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec kh\u00f4ng.<\/p>\n<h2>C\u00e1ch kh\u1eafc ph\u1ee5c ti\u1ebfng \u1ed3n ti\u1ebfng k\u00eau l\u1ea1 khi s\u1eed d\u1ee5ng bi\u1ebfn t\u1ea7n cho motor<\/h2>\n<p>\u0110\u1ec3 kh\u1eafc ph\u1ee5c ti\u1ebfng \u1ed3n hay ti\u1ebfng k\u00eau l\u1ea1 khi s\u1eed d\u1ee5ng bi\u1ebfn t\u1ea7n cho motor ch\u00fang ta c\u00f3 th\u1ec3 th\u1eed m\u1ed9t s\u1ed1 c\u00e1ch nh\u01b0 sau.<\/p>\n<ul>\n<li>C\u00e1ch \u0111\u1ea7u ti\u00ean, c\u00e1c b\u1ea1n thay \u0111\u1ed5i t\u1ea7n s\u1ed1 \u0111ang ch\u1ea1y c\u1ee7a bi\u1ebfn t\u1ea7n theo d\u1ea3i t\u1ea7n s\u1ed1 t\u1eeb nh\u1ecf nh\u1ea5t \u0111\u1ebfn l\u1edbn nh\u1ea5t sau \u0111\u00f3 nh\u1eadn \u0111\u1ecbnh kho\u1ea3ng n\u00e0o t\u1ea1o ra ti\u1ebfng k\u00eau to nh\u1ea5t, sau \u0111\u00f3 h\u1ea1n ch\u1ebf ch\u1ea1y \u1edf t\u1ea7n s\u1ed1 n\u00e0y v\u00ec \u1edf t\u1ea7n s\u1ed1 n\u00e0y hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng x\u1ea3y ra l\u1edbn nh\u1ea5t.<\/li>\n<li>C\u00e1ch th\u1ee9 hai l\u00e0 b\u1ea1n th\u1eed thay \u0111\u1ed5i t\u1ea7n s\u1ed1 s\u00f3ng mang tr\u00ean bi\u1ebfn t\u1ea7n b\u1eb1ng c\u00e1ch t\u0103ng ho\u1eb7c gi\u1ea3m c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u01b0\u1ee3c ti\u1ebfng \u1ed3n n\u00e0y. Th\u00f4ng s\u1ed1 n\u00e0y c\u00e1c b\u1ea1n tra trong manual c\u1ee7a bi\u1ebfn t\u1ea7n v\u1edbi t\u1eeb kh\u00f3a pwm ho\u1eb7c carrier frequency.<\/li>\n<li>C\u00e1ch tr\u00ean v\u1eabn kh\u00f4ng \u0111\u01b0\u1ee3c th\u00ec b\u1ea1n th\u1eed m\u1ed9t gi\u1ea3i ph\u00e1p l\u00e0 c\u00e0i l\u1ea1i \u0111\u01b0\u1eddng \u0111\u1eb7c tuy\u1ebfn V\/F c\u1ee7a bi\u1ebfn t\u1ea7n, t\u1ea7n s\u1ed1 c\u01a1 b\u1ea3n( base).<\/li>\n<li>M\u1ed9t c\u00e1ch kh\u00e1c l\u00e0 h\u00e3y xem l\u1ea1i th\u1eadt k\u1ef9 nameplate c\u1ee7a \u0111\u1ed9ng c\u01a1 sau \u0111\u00f3 c\u00e0i th\u00f4ng s\u1ed1 motor tr\u00ean bi\u1ebfn t\u1ea7n theo \u0111\u00fang b\u1ed9 th\u00f4ng s\u1ed1 n\u00e0y.<\/li>\n<li>Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 chuy\u1ec3n t\u1eeb ch\u1ebf \u0111\u1ed9 v\/f sang vector v\u00f2ng h\u1edf \u0111\u1ec3 gi\u1ea3m b\u1edbt ti\u1ebfng \u1ed3n motor.<\/li>\n<li>Tr\u00ean th\u1ef1c t\u1ebf c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i m\u00e1y m\u00f3c do motor ch\u1ecdn c\u00f4ng su\u1ea5t qu\u00e1 l\u1edbn d\u01b0 t\u1ea3i nhi\u1ec1u c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o n\u00ean ti\u1ebfng k\u00ea e e n\u00e0y c\u1ee7a motor v\u00ec v\u1eady c\u00e1c b\u1ea1n n\u00ean gi\u1ea3m c\u00f4ng su\u1ea5t motor l\u1ea1i \u0111\u1ec3 l\u00e0m gi\u1ea3m ti\u1ebfng \u1ed3n khi ch\u1ea1y v\u1edbi bi\u1ebfn t\u1ea7n.<\/li>\n<\/ul>\n<h3>Tr\u01b0\u1eddng h\u1ee3p trong bi\u1ebfn t\u1ea7n c\u00f3 ti\u1ebfng k\u00eau th\u00ec c\u00f3 th\u1ec3 do m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n sau<\/h3>\n<ul>\n<li>Qu\u1ea1t t\u1ea3n nhi\u1ec7t c\u1ee7a bi\u1ebfn t\u1ea7n b\u1ecb r\u01a1 l\u1eafc n\u00ean khi ch\u1ea1y t\u1ea1o ra ti\u1ebfng k\u00eau \u1ed3n c\u1ee7a bi\u1ebfn t\u1ea7n.<\/li>\n<li>B\u00ean trong bi\u1ebfn t\u1ea7n c\u00f3 relay hay kh\u1edfi \u0111\u1ed9ng t\u1eeb b\u1ecb h\u01b0 ti\u1ebfp \u0111i\u1ec3m l\u00e0m cho t\u1ea1o ra ti\u1ebfng k\u00eau cho ti\u1ebfp \u0111i\u1ec3m b\u1ecb \u0111\u00f3ng m\u1edf li\u00ean t\u1ee5c.<\/li>\n<li>Ngo\u00e0i ra n\u1ebfu bi\u1ebfn t\u1ea7n b\u1ecb h\u01b0 h\u1ecfng m\u1ed9t s\u1ed1 linh ki\u1ec7n \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra ti\u1ebfng k\u00eau nh\u1eb9.<\/li>\n<\/ul>\n<p>Nh\u01b0 v\u1eady l\u00e0 m\u00ecnh \u0111\u00e3 gi\u1edbi thi\u1ec7u c\u01a1 b\u1ea3n v\u1ec1 nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch x\u1eed l\u00fd khi motor c\u00f3 ti\u1ebfng k\u00eau l\u1ea1 khi s\u1eed d\u1ee5ng bi\u1ebfn t\u1ea7n. N\u1ebfu c\u1ea7n th\u00eam t\u01b0 v\u1ea5n v\u00e0 h\u1ed7 tr\u1ee3 xin vui l\u00f2ng li\u00ean h\u1ec7 theo th\u00f4ng tin:<\/p>\n<p><strong>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<p><b>S\u1ed1 66, Ng\u00f5 282 Kim Giang, Ph\u01b0\u1eddng \u0110\u1ea1i Kim, Qu\u1eadn Ho\u00e0ng Mai, H\u00e0 N\u1ed9i<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":25332,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[25,48,40,36],"class_list":["post-25331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cau-hoi-ve-bien-tan","tag-bien-tan-cu-gia-re","tag-bien-tan-nhat-ban","tag-bien-tan-trung-quoc-gia-re","tag-sua-chua-bien-tan-2"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/25331","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=25331"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/25331\/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=25331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}