{"id":20082,"date":"2017-03-01T00:06:01","date_gmt":"2017-02-28T17:06:01","guid":{"rendered":"https:\/\/banbientan.com\/?p=20082"},"modified":"2017-03-01T00:06:01","modified_gmt":"2017-02-28T17:06:01","slug":"cac-loi-va-cac-khac-phuc-cua-bien-tan-invt","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=20082","title":{"rendered":"C\u00e1c l\u1ed7i v\u00e0 c\u00e1c kh\u1eafc ph\u1ee5c c\u1ee7a bi\u1ebfn t\u1ea7n INVT"},"content":{"rendered":"

C\u00e1c l\u1ed7i v\u00e0 c\u00e1c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u1ee7a bien tan invt<\/a><\/strong><\/h1>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
M\u00e3 l\u1ed7i<\/td>\nKi\u1ec3u l\u1ed7i<\/td>\nNguy\u00ean nh\u00e2n<\/td>\nGi\u1ea3i ph\u00e1p<\/td>\n<\/tr>\n
OUT1<\/td>\nL\u1ed7i IGBT Pha U<\/td>\n1. Th\u1eddi gian t\u0103ng \/ gi\u1ea3m t\u1ed1c qu\u00e1 ng\u1eafn.
\n2. Kh\u1ed1i IGBT l\u1ed7i.
\n3. L\u1ed7i do nhi\u1ec5u.
\n4. N\u1ed1i \u0111\u1ea5t ch\u01b0a \u0111\u00fang<\/td>\n		1. T\u0103ng th\u1eddi gian t\u0103ng \/gi\u1ea3m t\u1ed1c.
\n2. Li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p.3. Ki\u1ec3m tra thi\u1ebft b\u1ecb ngo\u1ea1i vi v\u00e0 ch\u1ed1ng nhi\u1ec5u<\/td>\n<\/tr>\n
OUT2<\/td>\nL\u1ed7i IGBT Pha V<\/td>\n<\/tr>\n
OUT3<\/td>\nL\u1ed7i IGBT Pha W<\/td>\n<\/tr>\n
OC1<\/td>\nQu\u00e1 d\u00f2ng khi t\u0103ng t\u1ed1c<\/td>\n1: L\u1ed7i ng\u00f5 ra Bi\u1ebfn t\u1ea7n ng\u1eafn  m\u1ea1ch ho\u1eb7c ch\u1ea1m \u0111\u1ea5t
\n2: T\u1ea3i qu\u00e1 l\u1edbn ho\u1eb7c th\u1eddi gian t\u0103ng \/ gi\u1ea3m t\u1ed1c qu\u00e1 ng\u1eafn.
\n3: \u0110\u1eb7c tuy\u1ebfn V\/F kh\u00f4ng ph\u00f9 h\u1ee3p
\n4: T\u1ea3i \u0111\u1ed9t ng\u1ed9t thay \u0111\u1ed5i.<\/td>\n		1. Ki\u1ec3m tra motor, l\u1edbp c\u00e1ch ly, b\u1ea1c \u0111\u1ea1n, d\u00e2y  c\u00e1p \u0111i\u1ec7n.
\n2. T\u0103ng th\u1eddi gian t\u0103ng \/ gi\u1ea3m t\u1ed1c ho\u1eb7c ch\u1ecdn Bi\u1ebfn t\u1ea7n c\u00f3 c\u00f4ng su\u1ea5t  l\u1edbn h\u01a1n3. \u0110i\u1ec1u ch\u1ec9nh \u0111\u1eb7c tuy\u1ebfn V\/F ph\u00f9 hp.
\n4. Ki\u1ec3m tra t\u1ea3i<\/td>\n<\/tr>\n
OC2<\/td>\nQu\u00e1 d\u00f2ng khi gi\u1ea3m t\u1ed1c<\/td>\n<\/tr>\n
OC3<\/td>\nQu\u00e1 d\u00f2ng khi \u0111ang ch\u1ea1y t\u1ed1c \u0111\u1ed9 h\u1eb1ng s\u1ed1<\/td>\n<\/tr>\n
OV1<\/td>\nQu\u00e1 \u00e1p khi t\u0103ng t\u1ed1c<\/td>\n1. Th\u1eddi gian gi\u1ea3m t\u1ed1c qu\u00e1 ng\u1eafn v\u00e0 n\u0103ng l\u01b0\u1ee3ng motor tr\u1ea3 v\u1ec1 qu\u00e1 l\u1edbn
\n2. \u0110i\u1ec7n \u00e1p ngu\u1ed3n c\u1ea5p qu\u00e1 cao.
\n3. Motor ch\u1ea1m v\u1ecf.<\/td>\n		1. T\u0103ng th\u1eddi gian gi\u1ea3m t\u1ed1c v\u00e0 n\u1ed1i \u0111i\u1ec7n tr\u1edf th\u1eafng.
\n2. Gi\u1ea3m \u0111i\u1ec7n \u00e1p ngu\u1ed3nc\u1ea5p xu\u1ed1ng trong ph\u1ea1m vi l\u00e0m vi\u1ec7c.
\n3. Ki\u1ec3m tra motor, d\u00e2y c\u00e1p \u0111i\u1ec7n<\/td>\n<\/tr>\n
OV2<\/td>\nQu\u00e1 \u00e1p khi gi\u1ea3m t\u1ed1c<\/td>\n<\/tr>\n
OV3<\/td>\nQu\u00e1 \u00e1p khi \u0111ang ch\u1ea1y t\u1ed1c \u0111\u1ed9 h\u1eb1ng s\u1ed1<\/td>\n<\/tr>\n
UV<\/td>\n\u0110i\u1ec7n \u00e1p DC bus qu\u00e1 th\u1ea5p.<\/td>\n1: M\u1ea5t pha ngu\u1ed3n \u0111i\u1ec7n c\u1ea5p.
\n2: M\u1ea5t ngu\u1ed3n c\u1ea5p tho\u00e1ng qua.
\n3: Tr\u1ea1m n\u1ed1i d\u00e2y ngu\u1ed3n c\u1ea5p b\u1ecb l\u1ecfng.
\n4: \u0110i\u1ec7p \u00e1p ngu\u1ed3n c\u1ea5p dao \u0111\u1ed9ng qu\u00e1 l\u1edbn.<\/td>\n		Ki\u1ec3m tra \u0111i\u1ec7n \u00e1p ngu\u1ed3n c\u1ea5p v\u00e0 tr\u1ea1m n\u1ed1i d\u00e2y c\u1ea5p ngu\u1ed3n<\/td>\n<\/tr>\n
OL1<\/td>\nQu\u00e1 t\u1ea3i Motor<\/td>\n1. Motor k\u00e9o t\u1ea3i n\u1eb7ng \u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p trong th\u1eddi gian d\u00e0i.
\n2. \u0110\u1eb7c tuy\u1ebfn V\/F kh\u00f4ng \u0111\u00fang
\n3. Ng\u01b0\u1ee1ng b\u1ea3o v\u1ec7 motor kh\u00f4ng ph\u00f9 h\u1ee3p (PB.03)
\n4. T\u1ea3i \u0111\u1ed9t ng\u1ed9t thay \u0111\u1ed5i<\/td>\n		1. Ch\u1ecdn lo\u1ea1i motor thay \u0111\u1ed5i t\u1ea7n s\u1ed1.
\n2. \u0110i\u1ec1u ch\u1ec9nh V\/F3. Ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh PB.03.
\n4. Ki\u1ec3m tra t\u1ea3i.<\/td>\n<\/tr>\n
OL2<\/td>\nQu\u00e1 t\u1ea3i Bi\u1ebfn t\u1ea7n<\/td>\n1. T\u1ea3i qu\u00e1 l\u1edbn ho\u1eb7c th\u1eddi gian t\u0103ng \/ gi\u1ea3m t\u1ed1c qu\u00e1 ng\u1eafn.
\n2. \u0110\u1eb7c tuy\u1ebfn V\/F kh\u00f4ng ph\u00f9 h\u1ee3p.
\n3. C\u00f4ng su\u1ea5t Bi\u1ebfn t\u1ea7n qu\u00e1 nh\u1ecf<\/td>\n		1. T\u0103ng th\u1eddi gian t\u0103ng \/gi\u1ea3m t\u1ed1c ho\u1eb7c ch\u1ecdn Bi\u1ebfn t\u1ea7n c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n.
\n2. \u0110i\u1ec1u ch\u1ec9nh \u0111\u1eb7c tuy\u1ebfn V\/F ph\u00f9 h\u1ee3p.
\n3. Ch\u1ecdn Bi\u1ebfn t\u1ea7n c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n.<\/td>\n<\/tr>\n
OL3<\/td>\nQu\u00e1 t\u1ea3i moment<\/td>\n1. T\u0103ng t\u1ed1c qu\u00e1 nhanh
\n2. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i khi motor \u0111ang ch\u1ea1y
\n3. \u0110i\u1ec7n \u00e1p DC bus th\u1ea5p 4.T\u1ea3i qu\u00e1 l\u1edbn<\/td>\n		1. T\u0103ng th\u1eddi gian t\u0103ng t\u1ed1c
\n2.Tr\u00e1nh kh\u1edfi \u0111\u1ed9ng l\u1ea1i ngay sau khi d\u1eebng
\n3.Ki\u1ec3m tra \u0111i\u1ec7n \u00e1p DC bus
\n4. D\u00f9ng bi\u1ebfn t\u1ea7n c\u00f3 c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c l\u1edbn h\u01a1n.
\n5.\u0110\u1eb7t ch\u00ednh x\u00e1c gi\u00e1 tr\u1ecb PB.11<\/td>\n<\/tr>\n
SPI<\/td>\nL\u1ed7i pha ng\u00f5 v\u00e0o<\/td>\n1: M\u1ea5t pha ngu\u1ed3n c\u1ea5p.
\n2: M\u1ea5t ngu\u1ed3n c\u1ea5p tho\u00e1ng qua.
\n3: Tr\u1ea1m n\u1ed1i d\u00e2y ngu\u1ed3n c\u1ea5p b\u1ecb l\u1ecfng.
\n4: \u0110i\u1ec7n \u00e1p ngu\u1ed3n c\u1ea5p dao \u0111\u1ed9ng qu\u00e1 l\u1edbn.
\n5: C\u00e1c pha b\u1ecb m\u1ea5t c\u00e2n b\u1eb1ng<\/td>\n		Ki\u1ec3m tra c\u00e1c d\u00e2y c\u1ea5p ngu\u1ed3n, ki\u1ec3m tra vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 ngu\u1ed3n c\u1ea5p.<\/td>\n<\/tr>\n
SPO<\/td>\nL\u1ed7i pha ng\u00f5 ra<\/td>\n1. C\u00f3 m\u1ed9t d\u00e2y ng\u00f5 ra b\u1ecb \u0111\u1ee9t
\n2. C\u00f3 m\u1ed9t d\u00e2y trong cu\u1ed9n motor b\u1ecb \u0111\u1ee9t. 3. Tr\u1ea1m n\u1ed1i d\u00e2y ng\u00f5 ra b\u1ecb l\u1ecfng<\/td>\n		Ki\u1ec3m tra l\u1ea1i h\u1ec7 th\u1ed1ng \u0111\u1ea5u n\u1ed1i d\u00e2y v\u00e0 vi\u1ec7c l\u1eafp \u0111\u1eb7t. EF L\u1ed7i m\u1ea1ch ngo\u00e0i Sx: Ng\u00f5 v\u00e0o l\u1ed7i m\u1ea1ch ngo\u00e0i c\u00f3 t\u00e1c \u0111\u1ed9ng. Ki\u1ec3m<\/td>\n<\/tr>\n
EF<\/td>\nL\u1ed7i m\u1ea1ch ngo\u00e0i<\/td>\nSx: Ng\u00f5 v\u00e0o l\u1ed7i m\u1ea1ch ngo\u00e0i c\u00f3 t\u00e1c \u0111\u1ed9ng.<\/td>\nKi\u1ec3m tra thi\u1ebft b\u1ecb ngo\u1ea1i vi<\/td>\n<\/tr>\n
OH1<\/td>\nQu\u00e1 nhi\u1ec7t b\u1ed9 ch\u1ec9nh l\u01b0u<\/td>\n1: Nhi\u1ec7t \u0111\u1ed9 xung quanh qu\u00e1 cao.
\n2: \u1ede g\u1ea7n ngu\u1ed3n nhi\u1ec7t.
\n3. Qu\u1ea1t l\u00e0m m\u00e1t c\u1ee7a Bi\u1ebfn t\u1ea7n kh\u00f4ng ch\u1ea1y ho\u1eb7c b\u1ecb h\u01b0.
\n4: R\u00e3nh th\u00f4ng gi\u00f3 b\u1ecb t\u1eafc ngh\u1ebdn.
\n5: T\u1ea7n s\u1ed1 s\u00f3ng mang qu\u00e1 cao<\/td>\n		1. L\u1eafp b\u1ed9 gi\u1ea3i nhi\u1ec7t.
\n2. Tr\u00e1nh xa ngu\u1ed3n nhi\u1ec7t.
\n3. Thay qu\u1ea1t l\u00e0m m\u00e1t.
\n4. L\u00e0m s\u1ea1ch r\u00e3nh th\u00f4ng gi\u00f3.
\n5. Gi\u1ea3m t\u1ea7n s\u1ed1 s\u00f3ng mang.<\/td>\n<\/tr>\n
OH2<\/td>\nQu\u00e1 nhi\u1ec7t kh\u1ed1i IGBT<\/td>\n<\/tr>\n
CE<\/td>\nL\u1ed7i truy\u1ec1n th\u00f4ng<\/td>\n1. T\u1ed1c \u0111\u1ed9 Baud kh\u00f4ng th\u00edch h\u1ee3p.
\n2. Nh\u1eadn d\u1eef li\u1ec7u b\u1ecb sai.
\n3. Giao ti\u1ebfp b\u1ecb ng\u1eaft trong kho\u1ea3ng th\u1eddi gian d\u00e0i<\/td>\n		1. \u0110\u1eb7t t\u1ed1c \u0111\u1ed9 Baud ph\u00f9 h\u1ee3p.
\n2. Ki\u1ec3m tra l\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng v\u00e0 t\u00edn hi\u1ec7u.<\/td>\n<\/tr>\n
ITE<\/td>\nM\u1ea1ch d\u00f2 d\u00f2ng \u0111i\u1ec7n b\u1ecb l\u1ed7i<\/td>\n1. \u0110\u1ea7u n\u1ed1i d\u00e2y c\u00e1p li\u00ean k\u1ebft board \u0111i\u1ec1u khi\u1ec3n b\u1ecb h\u1edf m\u1ea1ch.
\n2. C\u1ea3m bi\u1ebfn Hall b\u1ecb l\u1ed7i.
\n3. M\u1ea1ch khu\u1ebfch \u0111\u1ea1i d\u00f2ng ho\u1ea1t \u0111\u1ed9ng<\/td>\n		1. Ki\u1ec3m tra d\u00e2y n\u1ed1i.
\n2. Li\u00ean h\u1ec7 nh\u00e0 ph\u00e2n ph\u1ed1i.<\/td>\n<\/tr>\n
TE<\/td>\nL\u1ed7i Autotuning<\/td>\n1. \u0110\u1eb7t th\u00f4ng s\u1ed1 \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9ng c\u01a1 kh\u00f4ng ph\u00f9 h\u1ee3p.
\n2. Qu\u00e1 th\u1eddi gian autotuning.<\/td>\n		1. \u0110\u1eb7t l\u1ea1i th\u00f4ng s\u1ed1 motor \u0111\u00fang v\u1edbi nh\u00e3n motor.
\n2. Ki\u1ec3m tra d\u00e2y \u0111\u1ea5u motor.<\/td>\n<\/tr>\n
EEP<\/td>\nL\u1ed7i EEPROM<\/td>\nL\u1ed7i Read\/Write c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec1u khi\u1ec3n<\/td>\n\u1ea4n STOP\/RESET \u0111\u1ec3 reset. Li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p<\/td>\n<\/tr>\n
PIDE<\/td>\nL\u1ed7i h\u1ed3i ti\u1ebfp PID<\/td>\n1. Ngu\u1ed3n h\u1ed3i ti\u1ebfp PID h\u1edf m\u1ea1ch.
\n2. M\u1ea5t t\u00edn hi\u1ec7u h\u1ed3i ti\u1ebfp PID.<\/td>\n		1. Ki\u1ec3m tra d\u00e2y t\u00edn hi\u1ec7u h\u1ed3i ti\u1ebfp PID.
\n2. Ki\u1ec3m tra ngu\u1ed3n h\u1ed3i ti\u1ebfp c\u1ee7a PID.<\/td>\n<\/tr>\n
BCE<\/td>\nL\u1ed7i B\u1ed9 th\u1eafng<\/td>\n1. M\u1ea1ch th\u1eafng b\u1ecb l\u1ed7i ho\u1eb7c h\u1ecfng \u0111i\u1ec7n tr\u1edf th\u1eafng.
\n2. Gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf th\u1eafng qu\u00e1 th\u1ea5p<\/td>\n		1. Ki\u1ec3m tra b\u1ed9 th\u1eafng, thay \u0111i\u1ec7n tr\u1edf kh\u00e1c.
\n2. T\u0103ng gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf th\u1eafng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n