{"id":19107,"date":"2015-02-06T14:39:07","date_gmt":"2015-02-06T07:39:07","guid":{"rendered":"https:\/\/banbientan.com\/?p=19107"},"modified":"2015-02-06T14:39:07","modified_gmt":"2015-02-06T07:39:07","slug":"so-sanh-bo-bien-tan-va-bo-dieu-khien-toc-do-vs","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=19107","title":{"rendered":"So s\u00e1nh b\u1ed9 bi\u1ebfn t\u1ea7n v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 VS"},"content":{"rendered":"
\"Goodrive200\"\"\"<\/a>\"bo<\/a><\/div>\n
Hi\u1ec7n nay, c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 3 pha kh\u00f4ng \u0111\u1ed3ng b\u1ed9 trong \u0111\u00f3 s\u1eed d\u1ee5ng b\u1ed9 bi\u1ebfn t\u1ea7n<\/a> v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n VS l\u00e0 r\u1ea5t ph\u1ed5 bi\u1ebfn.
\nPh\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n VS l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1eeb l\u00e2u. \u0110\u1ed9ng c\u01a1 VS (VS motor) l\u00e0 m\u1ed9t \u0111\u1ed9ng c\u01a1 c\u00f3 g\u1eafn kh\u1edbp t\u1eeb (Magnetic Coupling) c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 m\u00e1y c\u00f4ng t\u00e1c. Kh\u1edbp t\u1eeb th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t kh\u1edbp ly h\u1ee3p m\u00e0 thao t\u00e1c “ly” v\u00e0 “h\u1ee3p” \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi t\u1eeb tr\u01b0\u1eddng m\u1ed9t chi\u1ec1u c\u1ee7a nam ch\u00e2m \u0111i\u1ec7n. T\u00f9y\u00a0theo t\u1eeb tr\u01b0\u1eddng n\u00e0y m\u1ea1nh hay y\u1ebfu d\u1eabn \u0111\u1ebfn l\u1ef1c t\u1eeb li\u00ean k\u1ebft gi\u1eefa tr\u1ee5c \u0111\u1ed9ng c\u01a1 v\u00e0 tr\u1ee5c m\u00e1y c\u00f4ng t\u00e1c m\u1ea1nh hay y\u1ebfu v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 t\u1ed1c \u0111\u1ed9 tr\u00ean \u0111\u1ea7u tr\u1ee5c c\u1ee7a m\u00e1y c\u00f4ng t\u00e1c l\u00e0 nhanh hay ch\u1eadm. Ta c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh tr\u01a1n t\u1ed1c \u0111\u1ed9 ra tr\u1ee5c m\u00e1y c\u00f4ng t\u00e1c b\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u n\u1ed1i v\u1edbi cu\u1ed9n d\u00e2y c\u1ee7a kh\u1edbp t\u1eeb.
\nNh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u0111\u1ed9ng c\u01a1 VS l\u00e0 :<\/strong><\/div>\n
\u25cf\u00a0\u00a0 Trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng, motor kh\u00f4ng \u0111\u1ed3ng b\u1ed9 lu\u00f4n quay \u1edf t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c m\u1eb7c d\u00f9 t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y c\u00f4ng t\u00e1c thay \u0111\u1ed5i \u0111i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn l\u00e3ng ph\u00ed m\u1ed9t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng l\u1edbn.
\n\u25cf\u00a0\u00a0 D\u1ea3i t\u1ed1c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh c\u1ee7a \u0111\u1ed9ng c\u01a1 VS ch\u1ec9 t\u1eeb 0Hz \u0111\u1ebfn t\u1ea7n s\u1ed1 \u0111i\u1ec7n l\u01b0\u1edbi, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 VS kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng b\u00f9 momen khi kh\u1edfi \u0111\u1ed9ng, kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u00eam motor.
\n\u25cf\u00a0\u00a0 Kh\u00f4ng c\u00f3 c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 motor, b\u1ea3o v\u1ec7 m\u1ea5t pha, kh\u00f4ng c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t c\u1ee7a motor, kh\u00f4ng t\u00edch h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng n\u00e2ng cao, kh\u1ea3 n\u0103ng giao ti\u1ebfp v\u1edbi PLC, HMI l\u00e0 h\u1ea1n ch\u1ebf\u2026
\n\u25cf\u00a0\u00a0 Hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng b\u1ecb t\u1ed5n hao v\u00ec truy\u1ec1n \u0111\u1ed9ng qua th\u00eam m\u1ed9t b\u1ed9 truy\u1ec1n ly h\u1ee3p.Ng\u00e0y nay, v\u1edbi vi\u1ec7c ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 b\u00e1n d\u1eabn, bien tan<\/a> <\/strong>\u00a0l\u00e0 l\u1ef1a ch\u1ecdn s\u1ed1 1 cho vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 3 pha kh\u00f4ng \u0111\u1ed3ng b\u1ed9.\n<\/div>\n
V\u1edbi c\u00e1c t\u00ednh n\u0103ng v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a bi\u1ebfn t\u1ea7n:<\/strong><\/div>\n
\u25cf\u00a0\u00a0 T\u1ed1c \u0111\u1ed9 l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y c\u00f4ng t\u00e1c s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh v\u00f4 c\u1ea5p b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh v\u00f4 c\u1ea5p t\u1ed1c \u0111\u1ed9 quay c\u1ee7a motor kh\u00f4ng \u0111\u1ed3ng b\u1ed9, n\u00ean ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c m\u1ed9t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng l\u1edbn, c\u1ea3i thi\u1ec7n h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t c\u1ee7a motor.<\/div>\n
\u25cf\u00a0\u00a0 Bi\u1ebfn t\u1ea7n INVT<\/a><\/strong> s\u1eed d\u1ee5ng linh ki\u1ec7n c\u00f4ng su\u1ea5t c\u1ee7a h\u00e3ng n\u1ed5i ti\u1ebfng Eupec thu\u1ed9c c\u1ed9ng h\u00f2a li\u00ean bang \u0110\u1ee9c, thi\u1ebft k\u1ebf hai c\u1ea5p c\u00f4ng su\u1ea5t, kh\u1ea3 n\u0103ng qu\u00e1 t\u1ea3i cao (150% trong v\u00f2ng 60s, 180% trong v\u00f2ng 10s).<\/div>\n
\u25cf\u00a0\u00a0 D\u1ea3i \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 c\u1ee7a bi\u1ebfn t\u1ea7n INVT l\u00e0 t\u1eeb 0 ~ 400Hz, do \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u0103ng t\u1ed1c \u0111\u1ed9ng c\u01a1 l\u00ean r\u1ea5t cao (8 l\u1ea7n so v\u1edbi \u0111i\u1ec7n l\u01b0\u1edbi)<\/div>\n
\u25cf\u00a0\u00a0 Ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n V\/F, SVC, VC, Torque.<\/div>\n
Momen kh\u1edfi \u0111\u1ed9ng l\u1edbn, kh\u1ea3 n\u0103ng b\u00f9 momen l\u00ean \u0111\u1ebfn 10%, kh\u1edfi \u0111\u1ed9ng \u00eam motor.<\/div>\n
\u25cf\u00a0\u00a0 Ch\u1ee9c n\u0103ng th\u1eafng \u0111\u1ed9ng n\u0103ng v\u00e0 th\u1eafng DC.<\/div>\n
\u25cf\u00a0\u00a0 Ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 motor v\u1edbi vi\u1ec7c ph\u00e1t hi\u1ec7n l\u1ed7i nh\u01b0: Qu\u00e1 \u00e1p, th\u1ea5p \u00e1p, m\u1ea5t pha ng\u00f5 v\u00e0o, m\u1ea5t pha ng\u00f5 ra, qu\u00e1 t\u1ea3i motor, qu\u00e1 d\u00f2ng, ch\u1ea1m \u0111\u1ea5t\u2026<\/div>\n
\u25cf\u00a0\u00a0 Bi\u1ebfn t\u1ea7n INVT <\/a>c\u00f2n t\u00edch h\u1ee3p nhi\u1ec1u ch\u1ee9c n\u0103ng h\u1eefu d\u1ee5ng kh\u00e1c nh\u01b0: Ch\u1ea1y \u0111a c\u1ea5p t\u1ed1c \u0111\u1ed9, ch\u1ea1y nh\u1ea5p, ch\u1ea1y ziczac, PLC \u0111\u01a1n gi\u1ea3n, d\u1eebng t\u1ef1 do, b\u1eaft t\u1ed1c \u0111\u1ed9\u2026<\/div>\n
\u25cf\u00a0\u00a0 Kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u00e1y t\u00ednh, PLC, HMI th\u00f4ng qua c\u1ed5ng truy\u1ec1n th\u00f4ng, kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i song song 2 m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb k\u00e9o xa t\u1edbi 110m.<\/div>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n nay, c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 3 pha kh\u00f4ng \u0111\u1ed3ng b\u1ed9 trong \u0111\u00f3 s\u1eed d\u1ee5ng b\u1ed9 bi\u1ebfn t\u1ea7n v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n VS l\u00e0 r\u1ea5t ph\u1ed5 bi\u1ebfn. Ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n VS l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1eeb l\u00e2u. \u0110\u1ed9ng c\u01a1 VS (VS […]<\/p>\n","protected":false},"author":2,"featured_media":19108,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[4626,13202,13204,13203,13205,10585],"class_list":["post-19107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cau-hoi-ve-bien-tan","tag-bien-tan-invt","tag-bien-tan-vs","tag-dieu-khien-dong-co-vs","tag-dieu-khien-vs","tag-dong-co-vs","tag-inverter-invt"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/19107","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=19107"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/19107\/revisions"}],"wp:attachment":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}