{"id":18310,"date":"2014-10-31T17:04:06","date_gmt":"2014-10-31T10:04:06","guid":{"rendered":"https:\/\/banbientan.com\/?p=18310"},"modified":"2014-10-31T17:04:06","modified_gmt":"2014-10-31T10:04:06","slug":"dieu-khien-toan-bo-hoat-dong-cua-cau-truc-voi-bien-tan-cong-nghiep-dang-mo-dun-cua-abb","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=18310","title":{"rendered":"\u0110i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c v\u1edbi bi\u1ebfn t\u1ea7n c\u00f4ng nghi\u1ec7p d\u1ea1ng m\u00f4-\u0111un c\u1ee7a ABB"},"content":{"rendered":"

Bi\u1ebfn t\u1ea7n<\/a> chuy\u00ean d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea9u \u0111\u1ed9c l\u1eadp
\n<\/b>
\nDo c\u1ea9u tr\u1ee5c th\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c c\u01a1 c\u1ea5u chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp, vi\u1ec7c s\u1eed d\u1ee5ng bi\u1ebfn t\u1ea7n ABB <\/a>d\u1ea1ng m\u00f4 \u0111un c\u00f9ng v\u1edbi ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c s\u1ebd thu \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u l\u1ee3i \u00edch. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y gi\u00fap \u0111i\u1ec1u khi\u1ec3n v\u00f4 c\u1ea5p t\u1ed1c \u0111\u1ed9 v\u00e0 m\u00f4-men c\u1ee7a c\u1ea9u tr\u1ee5c, \u0111\u1ed3ng th\u1eddi \u0111i\u1ec1u khi\u1ec3n phanh c\u01a1 kh\u00ed v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c c\u1ee7a c\u1ea9u.<\/p>\n

\"abb<\/a><\/div>\n

Bi\u1ebfn t\u1ea7n c\u00f4ng nghi\u1ec7p d\u1ea1ng m\u00f4 \u0111un c\u1ee7a ABB c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng sau c\u1ee7a c\u1ea9u tr\u1ee5c, bao g\u1ed3m c\u1ea3 thay m\u1edbi v\u00e0 n\u00e2ng c\u1ea5p c\u1ea9u:
\nC\u1ea9u th\u00e1p g\u1ed3m c\u00f3 c\u01a1 c\u1ea5u n\u00e2ng h\u1ea1, di chuy\u1ec3n xe t\u1eddi v\u00e0 chuy\u1ec3n \u0111\u1ed9ng quay
\nC\u1ea9u tr\u1ee5c c\u00f4ng nghi\u1ec7p g\u1ed3m c\u01a1 c\u1ea5u n\u00e2ng h\u1ea1, di chuy\u1ec3n xe t\u1eddi v\u00e0 di chuy\u1ec3n c\u1ea9u tr\u1ee5c
\n
\nbien tan<\/a>\u00a0d\u1ea1ng m\u00f4 \u0111un ph\u00f9 h\u1ee3p v\u1edbi t\u1ee7 \u0111i\u1ec7n c\u1ee7a c\u1ea9u tr\u1ee5c<\/b>
\nBi\u1ebfn t\u1ea7n c\u00f4ng nghi\u1ec7p d\u1ea1ng m\u00f4 \u0111un c\u1ee7a ABB, ACS850 -04, d\u1ea3i c\u00f4ng su\u1ea5t t\u1eeb 1.1 \u0111\u1ebfn 500 kW ( 400V v\u00e0 500V) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t li\u1ec1n k\u1ec1, qua \u0111\u00f3 cung c\u1ea5p kh\u00f4ng gian l\u1eafp \u0111\u1eb7t nh\u1ecf g\u1ecdn trong t\u1ee7 \u0111i\u1ec7n c\u1ee7a c\u1ea9u tr\u1ee5c.<\/p>\n

\"abb
\nL\u1ee3i \u00edch t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c c\u1ee7a ABB trong C\u1ea9u th\u00e1p trong c\u00e1c c\u01a1 c\u1ea5u n\u00e2ng h\u1ea1, di chuy\u1ec3n xe t\u1eddi v\u00e0 c\u01a1 c\u1ea5u quay<\/i><\/span><\/div>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a bi\u1ebfn t\u1ea7n d\u1ea1ng m\u00f4-\u0111un l\u00e0 bo m\u1ea1ch in \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp nhi\u1ec7t \u0111\u1edbi h\u00f3a gi\u00fap b\u1ea3o v\u1ec7 bi\u1ebfn t\u1ea7n kh\u1ecfi b\u1ee5i v\u00e0 \u0111\u1ed9 \u1ea9m x\u00e2m nh\u1eadp trong m\u00f4i tr\u01b0\u1eddng g\u00e2y h\u1ea1i. Ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 ng\u1eaft m\u00f4 men an to\u00e0n (STO) t\u00edch h\u1ee3p s\u1eb5n trong bi\u1ebfn t\u1ea7n, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n lo\u1ea1i b\u1ecf ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c kh\u1edfi \u0111\u1ed9ng bi\u1ebfn t\u1ea7n kh\u00f4ng mong mu\u1ed1n.
\nB\u1ed9 h\u00e3m brake chopper k\u1ebft n\u1ed1i \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u tr\u00ean thanh DC c\u1ee7a bi\u1ebfn t\u1ea7n v\u1edbi \u0111i\u1ec7n tr\u1edf x\u1ea3 b\u00ean ngo\u00e0i, chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng h\u00e3m th\u00e0nh nhi\u1ec7t tr\u00ean \u0111i\u1ec7n tr\u1edf. C\u1ea5u h\u00ecnh DC bus chung c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chia s\u1ebb \u0111i\u1ec7n \u00e1p 1 chi\u1ec1u gi\u1eefa c\u00e1c bi\u1ebfn t\u1ea7n
\nThi\u1ebft l\u1eadp bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 cho b\u1ed9 nh\u1edb bi\u1ebfn t\u1ea7n
\n<\/b>
\nCh\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c tham s\u1ed1 thi\u1ebft l\u1eadp \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb c\u00f3 th\u1ec3 th\u00e1o r\u1eddi c\u1ee7a bi\u1ebfn t\u1ea7n.
\n\u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o vi\u1ec7c c\u00e0i \u0111\u1eb7t v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i bi\u1ebfn t\u1ea7n<\/a> m\u1ed9t c\u00e1ch nhanh ch\u00f3ng trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n thay th\u1ebf bi\u1ebfn t\u1ea7n ho\u1eb7c n\u00e2ng c\u1ea5p ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c.
\nPh\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/b><\/p>\n

\"abb
\nL\u1ee3i \u00edch t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c c\u1ee7a ABB trong c\u1ea9u tr\u1ee5c c\u00f4ng nghi\u1ec7p trong c\u00e1c c\u01a1 c\u1ea5u n\u00e2ng h\u1ea1, di chuy\u1ec3n xe t\u1eddi v\u00e0 di chuy\u1ec3n c\u1ea9u.<\/i><\/span><\/span><\/span> \n<\/div>\n

M\u1ed9t t\u00ednh n\u0103ng quan tr\u1ecdng c\u1ee7a bi\u1ebfn t\u1ea7n c\u00f4ng nghi\u1ec7p ABB<\/a> l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1, \u0111i\u1ec1u khi\u1ec3n m\u00f4-men tr\u1ef1c ti\u1ebfp (DTC). DTC cho ph\u00e9p bi\u1ebfn t\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u00f4 men t\u1ed1i \u0111a ngay t\u1ea1i t\u1ed1c \u0111\u1ed9 0. Ngo\u00e0i ra, vi\u1ec7c \u0111\u00e1p \u1ee9ng m\u00f4 men m\u1ed9t c\u00e1ch nhanh ch\u00f3ng c\u1ee7a bi\u1ebfn t\u1ea7n gi\u00fap cho c\u1ea9u tr\u1ee5c ph\u1ea3n \u1ee9ng r\u1ea5t nhanh v\u1edbi nh\u1eefng thay \u0111\u1ed5i trong c\u00e1c l\u1ec7nh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c.
\nBi\u1ebfn t\u1ea7n \u0111\u1ea1t m\u00f4 men kh\u1edfi \u0111\u1ed9ng cao nh\u1edd ch\u1ee9c n\u0103ng ti\u1ec1n t\u1eeb h\u00f3a v\u00e0 l\u01b0u nh\u1edb m\u00f4 men trong qu\u00e1 kh\u1ee9
\nCh\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng linh ho\u1ea1t<\/b>
\nCh\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt s\u1ed1, t\u01b0\u01a1ng t\u1ef1 hay bus tr\u01b0\u1eddng, thu\u1eadn l\u1ee3i cho vi\u1ec7c kh\u1edfi \u0111\u1ed9ng, d\u1eebng v\u00e0 thay \u0111\u1ed5i t\u00edn hi\u1ec7u tham chi\u1ebfu c\u1ee7a c\u1ea9u tr\u1ee5c.
\nCh\u01b0\u01a1ng tr\u00ecnh bao g\u1ed3m b\u1ed1n b\u1ed9 tham s\u1ed1 ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau \u0111\u1ec3 t\u00f9y bi\u1ebfn c\u00e1c th\u00f4ng s\u1ed1 c\u00e0i \u0111\u1eb7t cho nhi\u1ec1u c\u1ea5u h\u00ecnh. M\u1ed7i b\u1ed9 tham s\u1ed1 ng\u01b0\u1eddi d\u00f9ng bao g\u1ed3m hai c\u1ea5p \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n kh\u00e1c nhau v\u00e0 m\u1ed9t c\u1ea5p \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n kh\u1ea9n c\u1ea5p c\u00f3 m\u1ee9c \u01b0u ti\u00ean cao h\u01a1n.
\nC\u1ea3i thi\u1ec7n t\u00ednh an to\u00e0n cho ph\u1ea7n \u0111i\u1ec1u khi\u1ec3n phanh c\u01a1 <\/b>
\nBi\u1ebfn t\u1ea7n ABB<\/a> t\u00edch h\u1ee3p s\u1eb5n ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n logic cho phanh c\u01a1, g\u1ed3m c\u00f3 phanh \u0111\u0129a v\u00e0 phanh th\u1ee7y l\u1ef1c, s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb m\u00f4 men v\u00e0 ch\u1ee9c n\u0103ng ti\u1ec1n t\u1eeb h\u00f3a gi\u00fap thi\u1ebft l\u1eadp m\u00f4 men cho \u0111\u1ed9ng c\u01a1 tr\u01b0\u1edbc khi m\u1edf ho\u1eb7c \u0111\u00f3ng phanh m\u00e0 kh\u00f4ng g\u00e2y ra ch\u1ea5n \u0111\u1ed9ng nh\u01b0 r\u01a1i ho\u1eb7c gi\u1eadt t\u1ea3i.
\nBi\u1ebfn t\u1ea7n \u0111\u00f3ng phanh g\u1ecdn nh\u1eb9 s\u1eed d\u1ee5ng b\u1ed9 tr\u1ec5 x\u1ebfp ch\u1ed3ng. B\u1ed9 gi\u00e1m s\u00e1t phanh th\u00f4ng minh \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n gi\u00fap n\u00e2ng cao \u0111\u1ed9 an to\u00e0n cho c\u1ea9u tr\u1ee5c.
\n
\n\u0110i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c linh ho\u1ea1t v\u1edbi c\u00e1c d\u1ea1ng t\u00edn hi\u1ec7u \u0111\u1eb7t kh\u00e1c nhau<\/b>
\nVi\u1ec7c \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ngu\u1ed3n t\u00edn hi\u1ec7u nh\u01b0 t\u00edn hi\u1ec7u t\u01b0\u01a1ng t\u1ef1 t\u1eeb joystick \u0111\u01a1n c\u1ef1c, l\u01b0\u1ee1ng c\u1ef1c ho\u1eb7c t\u00edn hi\u1ec7u s\u1ed1.
\nKi\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 t\u1ea3i gi\u00fap t\u1ed1i \u01b0u c\u00f4ng su\u1ea5t c\u1ee7a c\u1ea9u tr\u1ee5c<\/b>
\nVi\u1ec7c ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 t\u1ea3i gi\u00fap t\u1ed1i \u0111a h\u00f3a t\u1ed1c \u0111\u1ed9 t\u1eddi n\u00e2ng v\u1edbi m\u1ed9t t\u1ea3i c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00f3 \u0111\u1ee7 m\u00f4 men cho \u0111\u1ed9ng c\u01a1 trong v\u00f9ng suy gi\u1ea3m t\u1eeb tr\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y s\u1ebd l\u00e0m gi\u1ea3m th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00f4ng su\u1ea5t c\u1ee7a c\u1ea9u tr\u1ee5c.
\nN\u00e2ng cao \u0111\u1ed9 an to\u00e0n v\u1edbi ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 l\u1ec7ch t\u1ed1c \u0111\u1ed9 v\u00e0 b\u1ea3o v\u1ec7 qu\u00e1 t\u1ed1c \u0111\u1ed9 c\u1ea9u tr\u1ee5c
\nCh\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 l\u1ec7ch t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 li\u00ean t\u1ee5c so s\u00e1nh t\u00edn hi\u1ec7u t\u1ed1c \u0111\u1ed9 \u0111\u1eb7t c\u1ee7a c\u1ea9u tr\u1ee5c v\u1edbi t\u1ed1c \u0111\u1ed9 th\u1ef1c t\u1ebf tr\u00ean tr\u1ee5c \u0111\u1ed9ng c\u01a1 \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 sai l\u1ec7ch.
\nCh\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 l\u1ec7ch t\u1ed1c \u0111\u1ed9 t\u1ea3i li\u00ean t\u1ee5c so s\u00e1nh t\u1ed1c \u0111\u1ed9 th\u1ef1c t\u1ebf c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u1edbi t\u1ed1c \u0111\u1ed9 tang tr\u1ed1ng.<\/b>
\nB\u1ea3o v\u1ec7 qu\u00e1 t\u1ed1c \u0111\u1ea3m b\u1ea3o t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c duy tr\u00ec trong gi\u1edbi h\u1ea1n an to\u00e0n gi\u00fap ng\u0103n ch\u1eb7n vi\u1ec7c \u0111\u1ed9ng c\u01a1 ch\u1ea1y qu\u00e1 t\u1ed1c \u0111\u1ed9 cho ph\u00e9p.
\n
\nCh\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n an to\u00e0n gi\u1eef c\u1ea9u trong gi\u1edbi h\u1ea1n h\u00e0nh tr\u00ecnh cho ph\u00e9p<\/b>
\nBi\u1ebfn t\u1ea7n t\u1ef1 \u0111\u1ed9ng gi\u1ea3m t\u1ed1c \u0111\u1ed9 c\u1ea9u tr\u1ee5c t\u1edbi m\u1ed9t t\u1ed1c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh khi c\u1ea9u \u0111i \u0111\u1ebfn m\u1ed9t khu v\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh tr\u01b0\u1edbc. T\u00edn hi\u1ec7u logic c\u1ee7a c\u1ea3m bi\u1ebfn x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed gi\u1edbi h\u1ea1n tr\u00ean v\u00e0 gi\u1edbi h\u1ea1n d\u01b0\u1edbi \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi bi\u1ebfn t\u1ea7n \u0111\u1ec3 d\u1eebng an to\u00e0n cho c\u1ea9u tr\u1ee5c khi \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n h\u00e0nh tr\u00ecnh.
\nPh\u00e1t hi\u1ec7n s\u1ef1 tr\u00f9ng c\u00e1p gi\u00fap n\u00e2ng cao \u0111\u1ed9 an to\u00e0n tr\u00ean tang c\u1ee7a c\u1ea9u tr\u1ee5c<\/b>
\nC\u1ea9u tr\u1ee5c b\u1ecb tr\u00f9ng c\u00e1p tr\u00ean tang c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c t\u00ecnh hu\u1ed1ng nguy hi\u1ec3m. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 kh\u1eafc ph\u1ee5c b\u1eb1ng ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c th\u00f4ng qua c\u00e1c kh\u1ed1i logic \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh s\u1eb5n.
\nL\u1eadp tr\u00ecnh kh\u1ed1i ch\u1ee9c n\u0103ng (FBP) gi\u00fap m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng c\u1ee7a c\u1ea9u tr\u1ee5c<\/b>
\nVi\u1ec7c l\u1eadp tr\u00ecnh kh\u1ed1i ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n trong ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c cho ph\u00e9p ng\u01b0\u1eddi s\u1eed d\u1ee5ng t\u1ea1o ra c\u00e1c ch\u1ee9c n\u0103ng m\u1edbi cho c\u1ea9u tr\u1ee5c ho\u1eb7c s\u1eeda \u0111\u1ed5i c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh s\u1eb5n.
\nCh\u1ebf \u0111\u1ed9 d\u1eabn \u0111\u01b0\u1eddng (homing mode) x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a c\u1ea9u ho\u1eb7c c\u1ee7a m\u00f3c c\u1ea9u<\/b>
\nCh\u1ebf \u0111\u1ed9 d\u1eabn \u0111\u01b0\u1eddng hi\u1ec7u chu\u1ea9n v\u1ecb tr\u00ed th\u1ef1c t\u1ebf t\u1eeb \u0111i\u1ec3m kh\u00f4ng \u0111\u1ebfn m\u1ed9t v\u1ecb tr\u00ed \u0111\u1ecbnh tr\u01b0\u1edbc d\u1ef1a tr\u00ean encoder g\u1eafn tr\u00ean tr\u1ee5c \u0111\u1ed9ng c\u01a1. Ch\u1ebf \u0111\u1ed9 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t tr\u00ecnh t\u1ef1 t\u1ef1 \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea9u tr\u1ee5c, \u0111\u1ea3m b\u1ea3o m\u00f3c c\u1ea9u ho\u1eb7c c\u1ea3 c\u1ea9u tr\u1ee5c \u0111\u01b0\u1ee3c \u0111\u01b0a v\u1ec1 m\u1ed9t v\u1ecb tr\u00ed \u0111\u1eb7c bi\u1ec7t m\u00e0 t\u1eeb \u0111\u00f3 c\u1ea9u tr\u1ee5c b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng.
\nCh\u1ee9c n\u0103ng ph\u00e2n t\u00edch t\u1ea3i (load analyzer) gi\u00fap bien tan<\/a>\u00a0gi\u00e1m s\u00e1t t\u1ea3i c\u1ee7a c\u1ea9u tr\u1ee5c<\/b>
\nCh\u1ee9c n\u0103ng ph\u00e2n t\u00edch t\u1ea3i \u0111\u01b0a ra c\u00e1c d\u1eef li\u1ec7u v\u1ec1 t\u1ea3i c\u1ee7a c\u1ea9u tr\u1ee5c. Ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u1ea9u tr\u1ee5c c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t b\u1eb1ng b\u1ed9 l\u01b0u tr\u1eef gi\u00e1 tr\u1ecb c\u1ef1c \u0111\u1ea1i.
\nB\u1ed9 \u0111\u1ebfm b\u1ea3o tr\u00ec (maintenance counters) cho c\u1ea9u tr\u1ee5c<\/b><\/p>\n

\"abb
\nMo-\u0111un bi\u1ebfn t\u1ea7n c\u00f4ng nghi\u1ec7p ABB, ACS850-04 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi l\u1eafp \u0111\u1eb7t nh\u1ecf g\u1ecdn li\u1ec1n k\u1ec1 nhau trong m\u1ed9t t\u1ee7 c\u1ea9u tr\u1ee5c<\/i><\/span><\/div>\n

Ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u1ea9u tr\u1ee5c c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn s\u00e1u b\u1ed9 \u0111\u1ebfm b\u1ea3o tr\u00ec kh\u00e1c nhau s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u01b0a c\u00e1c c\u1ea3nh b\u00e1o cho s\u00e1u c\u01a1 c\u1ea5u ho\u1ea1t \u0111\u1ed9ng khi s\u1ed1 l\u1ea7n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t con s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1ecbnh tr\u01b0\u1edbc.<\/p>\n","protected":false},"excerpt":{"rendered":"

Bi\u1ebfn t\u1ea7n chuy\u00ean d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea9u \u0111\u1ed9c l\u1eadp Do c\u1ea9u tr\u1ee5c th\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c c\u01a1 c\u1ea5u chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp, vi\u1ec7c s\u1eed d\u1ee5ng bi\u1ebfn t\u1ea7n ABB d\u1ea1ng m\u00f4 \u0111un c\u00f9ng v\u1edbi ch\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n c\u1ea9u tr\u1ee5c s\u1ebd thu \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u l\u1ee3i \u00edch. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y gi\u00fap \u0111i\u1ec1u khi\u1ec3n […]<\/p>\n","protected":false},"author":2,"featured_media":18311,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[697,8271,12918,12919,12920],"class_list":["post-18310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cau-hoi-ve-bien-tan","tag-bien-tan","tag-bien-tan-abb","tag-bien-tan-acs","tag-bien-tan-cau-thap","tag-bien-tan-cau-truc"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18310","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=18310"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18310\/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=18310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}