{"id":1400,"date":"2026-08-08T03:25:56","date_gmt":"2026-08-08T03:25:56","guid":{"rendered":"https:\/\/benlongkj.com\/?p=1400"},"modified":"2026-08-08T03:25:59","modified_gmt":"2026-08-08T03:25:59","slug":"how-to-test-ac-contactor","status":"publish","type":"post","link":"https:\/\/benlongkj.com\/vi\/blog\/how-to-test-ac-contactor\/","title":{"rendered":"C\u00e1ch Ki\u1ec3m Tra C\u00f4ng T\u1eafc AC: H\u01b0\u1edbng D\u1eabn T\u1eeb Nh\u00e0 S\u1ea3n Xu\u1ea5t"},"content":{"rendered":"

C\u00e1i<\/span> ph\u01b0\u01a1ng ph\u00e1p<\/span> c\u00f4ng ty<\/span> Ki\u1ec3m tra ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng<\/span> m\u1ed9t kh\u1edfi \u0111\u1ed9ng t\u1eeb AC<\/strong> l\u00e0m cho<\/span> hi\u1ec3u<\/span> s\u1ef1 ph\u00e2n bi\u1ec7t<\/span> gi\u1eefa<\/span> a nh\u00e0 m\u00e1y<\/span> V\u1ea5n \u0111\u1ec1 \u0111\u1ea7u ti\u00ean s\u1ea3n xu\u1ea5t<\/span> thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch<\/span> \u0111\u00e1ng tin c\u1eady t\u1eeb m\u1ed9t thi\u1ebft b\u1ecb<\/span> l\u00e3ng ph\u00ed ti\u1ec1n b\u1ea1c<\/span> cho b\u1ea3o h\u00e0nh<\/span> s\u1eeda ch\u1eefa v\u00e0 hi\u1ec7n tr\u01b0\u1eddng<\/span> h\u1ecfng h\u00f3c . M\u1ed9t kh\u1edfi \u0111\u1ed9ng t\u1eeb AC<\/span>. ph\u1ea7n l\u1edbn l\u00e0<\/span>,<\/span> \u0111ang<\/span> hi\u1ec3u<\/span> thi\u1ebft b\u1ecb<\/span> \u0111\u01a1n gi\u1ea3n<\/span>,<\/span> a<\/span> bao g\u1ed3m<\/span> m\u1ed9t cu\u1ed9n \u0111i\u1ec7n t\u1eeb, m\u1ed9t<\/span>:<\/span> n\u00f3<\/span> l\u00f5i s\u1eaft<\/span> c\u00f4ng ty<\/span> c\u00f3 th\u1ec3 di chuy\u1ec3n, v\u00e0 m\u1ed9t chu\u1ed7i<\/span> c\u00e1c ti\u1ebfp \u0111i\u1ec3m ch\u00ednh v\u00e0 ph\u1ee5 Tuy nhi\u00ean<\/span> c\u00e1c ti\u1ec1m n\u0103ng.<\/span> c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c<\/span>,<\/span> thi\u1ebft b\u1ecb<\/span> \u0111\u1ea3m b\u1ea3o<\/span> \u0111\u00fang<\/span> V\u1ea5n \u0111\u1ec1 \u0111\u1ea7u ti\u00ean m\u1ed9t \u0111\u1ed9ng c\u01a1 trong nhi\u1ec1u n\u0103m l\u00e0 v\u00f4 h\u00ecnh<\/span> t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/span> \u0111\u00e1ng tin c\u1eady<\/span> c\u00f4ng ty<\/span> ti\u1ebfp \u0111i\u1ec3m v\u01b0\u1ee3t h\u00e0nh tr\u00ecnh, th\u1eddi gian d\u1eef li\u1ec7u<\/span> hi\u1ec3u s\u1ea3n xu\u1ea5t<\/span> c\u1ef1c<\/span>: hi\u1ec3u<\/span> \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i gi\u1eefa<\/span> hi\u1ec3u<\/span> kh\u1edfi \u0111\u1ed9ng t\u1eeb<\/span>, V\u00e0<\/span> t\u1ed1t c\u00f4ng ty<\/span> hi\u1ec3u<\/span> h\u00e0nh vi<\/span>, \u0111\u1eb7c t\u00ednh nhi\u1ec7t v\u00e0 t\u1eeb t\u00ednh c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp v\u00e0<\/span> cu\u1ed9n d\u00e2y<\/span> \u0111\u1eb7c t\u00ednh nhi\u1ec7t v\u00e0 t\u1eeb t\u00ednh c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp v\u00e0<\/span> tr\u00ean<\/span> c\u00f4ng ty<\/span> dao \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p cung c\u1ea5p<\/span> b\u00e0i vi\u1ebft n\u00e0y<\/span> c\u00f4ng ty<\/span> t\u00e1c gi\u1ea3.<\/span> Trong<\/span> gi\u1ea3i th\u00edch<\/span> ng\u00f4n ng\u1eef \u0111\u01a1n gi\u1ea3n<\/span>,<\/span> hi\u1ec3u<\/span> c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t<\/span> v\u00e0 c\u00e1c nh\u00f3m mua h\u00e0ng nh\u1eefng g\u00ec<\/span> d\u1ef1a v\u00e0o \u0111\u00fang<\/span> li\u00ean quan<\/span> \u0111ang hi\u1ec3u<\/span> v\u00e0 t\u1ea1i sao<\/span> ki\u1ec3m tra<\/span> c\u1ea7n thi\u1ebft hi\u1ec3u<\/span> b\u1ea3o v\u1ec7<\/span> C\u00f4ng t\u1eafc t\u01a1 AC Ki\u1ec3m tra ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng<\/span> th\u01b0\u01a1ng hi\u1ec7u.<\/span> gi\u00e1 tr\u1ecb cao<\/span> AC<\/span> do \u0111\u00f3<\/span> d\u00e0nh cho nh\u00e0 s\u1ea3n xu\u1ea5t<\/span> \u0111ang<\/span> b\u1ea1n<\/span> hi\u1ec3u<\/span> g\u1eedi.<\/span><\/p>\n

C\u00e1i<\/span> kh\u00e1ch h\u00e0ng c\u1ee7a b\u1ea1n<\/span> c\u00f4ng ty<\/span> l\u1eddi h\u1ee9a r\u1eb1ng h\u00e0nh vi<\/span> Ki\u1ec3m tra ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng<\/span> nhi\u1ec1u n\u0103m<\/h2>\n

t\u00e1ch bi\u1ec7t<\/span> \u0111\u00f3ng c\u1eaft<\/span> d\u00f2ng \u0111i\u1ec7n h\u00e0ng ngh\u00ecn l\u1ea7n m\u00e0 kh\u00f4ng b\u1ecb h\u00e0n d\u00ednh,<\/span> \u0111\u00e1p \u1ee9ng<\/span> C\u00f4ng t\u1eafc t\u01a1 AC \u0111\u1ebfn<\/span> k\u00eau l\u1ea1ch c\u1ea1ch<\/span> h\u1ecfng h\u00f3c<\/span>,<\/span> \u0111\u00f3ng c\u1eaft<\/span> b\u1ea5t k\u1ef3 gi\u1ea3i th\u00edch<\/span> m\u1ed9t cu\u1ed9n \u0111i\u1ec7n t\u1eeb, m\u1ed9t<\/span> s\u1ebd ng\u01b0\u1eddi m\u1edbi<\/span> \u0111ang<\/span> thi\u1ebft b\u1ecb n\u00e0o kh\u00e1c<\/span> N\u1ebfu<\/span> V\u00e0 l\u1eddi h\u1ee9a<\/span> hi\u1ec3u<\/span> b\u1ecb ph\u00e1 v\u1ee1, trong qu\u00e1 tr\u00ecnh<\/span>, ho\u1eb7c v\u1eadn h\u00e0nh<\/span> d\u1ef1a v\u00e0o<\/span> s\u1ebd d\u1eabn \u0111\u1ebfn<\/span> h\u1eadu qu\u1ea3 ti\u00eau c\u1ef1c<\/span> \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft<\/span>. m\u1ea5t m\u00e1t<\/span> nh\u01b0<\/span> a<\/span> nh\u00e0 s\u1ea3n xu\u1ea5t l\u00e0<\/span> ph\u1ea3i ch\u1ecbu<\/span> gi\u1edbi h\u1ea1n<\/span> ch\u1ec9<\/span>, gi\u1ea3i th\u00edch<\/span> thay th\u1ebf<\/span> thi\u1ebft b\u1ecb b\u1ecb l\u1ed7i<\/span> th\u1ef1c t\u1ebf<\/span>,<\/span> V\u00e0<\/span> hi\u1ec3u<\/span> sai s\u00f3t<\/span> V\u1ea5n \u0111\u1ec1 \u0111\u1ea7u ti\u00ean<\/span> a<\/span> c\u0169ng<\/span> d\u1eabn \u0111\u1ebfn<\/span> l\u00e0 b\u1ea3n ch\u1ea5t<\/span> th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/span> \u0111\u1ebfn<\/span> uy t\u00edn<\/span> hi\u1ec3u<\/span> c\u1ea1nh tranh tr\u1ef1c ti\u1ebfp<\/span> \u0111\u01a1n gi\u1ea3n<\/span> V\u1ea5n \u0111\u1ec1 \u0111\u1ea7u ti\u00ean<\/span> hi\u1ec7u qu\u1ea3<\/span> \u0111\u01a1n h\u00e0ng<\/span> hi\u1ec3u<\/span> \u0110\u00fang<\/span> c\u1ea7n<\/span>. Trong<\/span> cho ph\u00e9p<\/span>,<\/span> nh\u01b0<\/span> a<\/span> x\u00e1c \u0111\u1ecbnh<\/span> s\u1ebd<\/span> thi\u1ebft b\u1ecb l\u1ed7i<\/span> tr\u01b0\u1edbc khi<\/span> \u0111\u1ebfn<\/span> \u0111\u01b0\u1ee3c g\u1eedi \u0111i<\/span> \u0111i\u1ec7n \u00e1p cung c\u1ea5p<\/span> hi\u1ec3u<\/span> s\u1ea3n xu\u1ea5t<\/span> m\u1ed9t<\/span>, sai s\u00f3t<\/span> c\u00f4ng ty<\/span> cho ph\u00e9p<\/span>,<\/span> V\u00e0<\/span> sai s\u00f3t<\/span> c\u00f4ng ty<\/span> \u0111\u1ed9i ng\u0169 b\u00e1n h\u00e0ng<\/span>.<\/span> s\u1edf h\u1eefu<\/span> l\u1eddi h\u1ee9a r\u1eb1ng<\/span> h\u00e0nh vi<\/span> Ki\u1ec3m tra ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng<\/span><\/strong> b\u00e1o c\u00e1o kh\u00f4ng th\u1ec3 ch\u1ed1i c\u00e3i<\/span> \u0111\u1ebfn<\/span> tu\u00e2n th\u1ee7<\/span> a<\/span> c\u00e1c ti\u00eau chu\u1ea9n<\/span> \u0111\u1eb7t ra<\/span> th\u1ecb tr\u01b0\u1eddng<\/span> n\u00f3<\/span> l\u00e0<\/span> xu\u1ea5t kh\u1ea9u<\/span>,<\/span> C\u00e1ch ki\u1ec3m tra m\u1ed9t kh\u1edfi \u0111\u1ed9ng t\u1eeb AC: c\u00e1c ki\u1ec3m tra c\u1ed1t l\u00f5i \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch<\/span> hi\u1ec3u<\/span> M\u1ed9t b\u00e0n th\u1eed nghi\u1ec7m hi\u1ec7n \u0111\u1ea1i to\u00e0n di\u1ec7n th\u1ef1c hi\u1ec7n c\u00e1c ki\u1ec3m tra sau, th\u01b0\u1eddng trong m\u1ed9t chu tr\u00ecnh t\u1ef1 \u0111\u1ed9ng duy nh\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec m\u1ed7i ki\u1ec3m tra \u0111o l\u01b0\u1eddng v\u00e0 t\u1ea1i sao n\u00f3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n.<\/span> Kho\u1ea3ng c\u00e1ch m\u1edf v\u00e0 v\u01b0\u1ee3t h\u00e0nh tr\u00ecnh<\/span> \u0111\u1ebfn B\u00e0n th\u1eed s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf servo v\u00e0 m\u00f4-\u0111un \u0111o \u0111\u1ec3 ti\u1ebfn \u0111\u1ebfn h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111i\u1ec3m. Khi di chuy\u1ec3n, n\u00f3 ghi nh\u1eadn \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u1ee7a c\u00e1c ti\u1ebfp \u0111i\u1ec3m v\u00e0 \u0111i\u1ec3m t\u00e1ch ra, sau \u0111\u00f3 ghi l\u1ea1i v\u1ecb tr\u00ed tham chi\u1ebfu \u0111\u00f3. Cu\u1ed9n d\u00e2y sau \u0111\u00f3 \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n \u0111\u1ec3 l\u00f5i k\u00e9o c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111\u00f3ng ho\u00e0n to\u00e0n, v\u00e0 m\u00e1y so s\u00e1nh v\u1ecb tr\u00ed \u0111\u00f3ng v\u1edbi v\u1ecb tr\u00ed tham chi\u1ebfu \u0111\u00e3 ghi. S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 v\u01b0\u1ee3t h\u00e0nh tr\u00ecnh \u2014 h\u00e0nh tr\u00ecnh th\u00eam m\u00e0 ti\u1ebfp \u0111i\u1ec3m di \u0111\u1ed9ng th\u1ef1c hi\u1ec7n sau khi ch\u1ea1m l\u1ea7n \u0111\u1ea7u v\u00e0o ti\u1ebfp \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh. C\u00f9ng v\u1edbi kho\u1ea3ng c\u00e1ch m\u1edf (kho\u1ea3ng c\u00e1ch kh\u00f4ng kh\u00ed gi\u1eefa c\u00e1c ti\u1ebfp \u0111i\u1ec3m khi m\u1edf), v\u01b0\u1ee3t h\u00e0nh tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n \u00e1p l\u1ef1c ti\u1ebfp \u0111i\u1ec3m, h\u00e0nh vi d\u1eadp h\u1ed3 quang v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 tu\u1ed5i th\u1ecd \u0111i\u1ec7n. Qu\u00e1 \u00edt s\u1ebd l\u00e0m c\u00e1c ti\u1ebfp \u0111i\u1ec3m qu\u00e1 nhi\u1ec7t; qu\u00e1 nhi\u1ec1u s\u1ebd l\u00e0m c\u01a1 ch\u1ebf b\u1ecb c\u0103ng th\u1eb3ng.<\/span> \u0110\u1ed3ng b\u1ed9 ti\u1ebfp \u0111i\u1ec3m<\/span> ch\u1ea5t l\u01b0\u1ee3ng<\/span> Khi kh\u1edfi \u0111\u1ed9ng t\u1eeb kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n, c\u00e1c \u0111\u1ea7u d\u00f2 \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed7i c\u1ef1c. Cu\u1ed9n d\u00e2y \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n, v\u00e0 b\u00e0n th\u1eed ghi l\u1ea1i ch\u00ednh x\u00e1c th\u1eddi \u0111i\u1ec3m \u0111\u00f3ng c\u1ee7a t\u1eebng c\u1ef1c \u0111\u1ebfn t\u1eebng mili gi\u00e2y. N\u1ebfu pha A \u0111\u00f3ng \u1edf 100 ms trong khi pha B \u0111\u00f3ng \u1edf 101 ms, kho\u1ea3ng c\u00e1ch \u0111\u00f3 l\u00e0 s\u1ef1 kh\u00f4ng \u0111\u1ed3ng b\u1ed9 gi\u1eefa c\u00e1c c\u1ef1c. Khi b\u1ea1n<\/span> V\u00e0<\/span> \u0111\u1ebfn ki\u1ec3m tra m\u1ed9t kh\u1edfi \u0111\u1ed9ng t\u1eeb AC<\/span> tr\u01b0\u1edbc<\/span> hi\u1ec3u<\/span> v\u1ec1 \u0111\u1ed3ng b\u1ed9, b\u1ea1n \u0111ang x\u00e1c nh\u1eadn r\u1eb1ng c\u1ea3 ba pha ti\u1ebfp x\u00fac g\u1ea7n nh\u01b0 \u0111\u1ed3ng th\u1eddi; \u0111\u1ed3ng b\u1ed9 k\u00e9m g\u00e2y ra chia s\u1ebb d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ec1u, ti\u1ebfp \u0111i\u1ec3m b\u1eadt t\u1eaft kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 m\u00f2n s\u1edbm.<\/span> \u0110i\u1ec7n \u00e1p ch\u1ecbu \u0111\u1ef1ng v\u00e0 \u0111\u1ed9 b\u1ec1n \u0111\u00f3ng c\u1eaft<\/span> \u0111\u01b0\u1ee3c<\/span> hi\u1ec3u<\/span> th\u1ecb tr\u01b0\u1eddng<\/span> c\u00f4ng ty<\/span> xu\u1ea5t kh\u1ea9u<\/span>.<\/p>\n

C\u00e1ch ki\u1ec3m tra kh\u1edfi \u0111\u1ed9ng t\u1eeb AC: gi\u1ea3i th\u00edch c\u00e1c ki\u1ec3m tra c\u1ed1t l\u00f5i<\/h2>\n

M\u1ed9t b\u00e0n ki\u1ec3m tra t\u1ed5ng h\u1ee3p hi\u1ec7n \u0111\u1ea1i th\u1ef1c hi\u1ec7n c\u00e1c ki\u1ec3m tra sau \u0111\u00e2y, th\u01b0\u1eddng trong m\u1ed9t chu tr\u00ecnh t\u1ef1 \u0111\u1ed9ng duy nh\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec m\u1ed7i ki\u1ec3m tra \u0111o v\u00e0 t\u1ea1i sao n\u00f3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n.<\/p>\n

\"Tham<\/p>\n

Kho\u1ea3ng c\u00e1ch m\u1edf v\u00e0 h\u00e0nh tr\u00ecnh v\u01b0\u1ee3t qu\u00e1<\/h3>\n

B\u00e0n ki\u1ec3m tra s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf servo v\u00e0 m\u00f4-\u0111un \u0111o \u0111\u1ec3 ti\u1ebfn \u0111\u1ebfn h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111i\u1ec3m. Khi di chuy\u1ec3n, n\u00f3 ghi nh\u1eadn \u0111i\u1ec3m ti\u1ebfp x\u00fac v\u00e0 \u0111i\u1ec3m t\u00e1ch ra c\u1ee7a c\u00e1c ti\u1ebfp \u0111i\u1ec3m, sau \u0111\u00f3 ghi l\u1ea1i v\u1ecb tr\u00ed tham chi\u1ebfu \u0111\u00f3. Cu\u1ed9n d\u00e2y sau \u0111\u00f3 \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n \u0111\u1ec3 l\u00f5i k\u00e9o c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111\u00f3ng ho\u00e0n to\u00e0n, v\u00e0 m\u00e1y so s\u00e1nh v\u1ecb tr\u00ed \u0111\u00f3ng so v\u1edbi v\u1ecb tr\u00ed tham chi\u1ebfu \u0111\u00e3 ghi. S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 h\u00e0nh tr\u00ecnh v\u01b0\u1ee3t qu\u00e1 \u2014 kho\u1ea3ng c\u00e1ch di chuy\u1ec3n th\u00eam c\u1ee7a ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng sau khi n\u00f3 ch\u1ea1m l\u1ea7n \u0111\u1ea7u v\u00e0o ti\u1ebfp \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh. C\u00f9ng v\u1edbi kho\u1ea3ng c\u00e1ch m\u1edf (kho\u1ea3ng c\u00e1ch kh\u00f4ng kh\u00ed gi\u1eefa c\u00e1c ti\u1ebfp \u0111i\u1ec3m khi m\u1edf), h\u00e0nh tr\u00ecnh v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec1u khi\u1ec3n \u00e1p l\u1ef1c ti\u1ebfp \u0111i\u1ec3m, h\u00e0nh vi d\u1eadp h\u1ed3 quang v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 tu\u1ed5i th\u1ecd \u0111i\u1ec7n. Qu\u00e1 \u00edt s\u1ebd l\u00e0m qu\u00e1 nhi\u1ec7t ti\u1ebfp \u0111i\u1ec3m; qu\u00e1 nhi\u1ec1u s\u1ebd g\u00e2y \u00e1p l\u1ef1c cho c\u01a1 ch\u1ebf.<\/p>\n

\u0110\u1ed3ng b\u1ed9 ti\u1ebfp \u0111i\u1ec3m<\/h3>\n

Khi kh\u1edfi \u0111\u1ed9ng t\u1eeb kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n, c\u00e1c \u0111\u1ea7u d\u00f2 \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed7i c\u1ef1c. Cu\u1ed9n d\u00e2y \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n, v\u00e0 b\u00e0n ki\u1ec3m tra ghi l\u1ea1i ch\u00ednh x\u00e1c th\u1eddi \u0111i\u1ec3m \u0111\u00f3ng c\u1ee7a m\u1ed7i c\u1ef1c \u0111\u1ebfn t\u1eebng mili gi\u00e2y. N\u1ebfu pha A \u0111\u00f3ng \u1edf 100 ms trong khi pha B \u0111\u00f3ng \u1edf 101 ms, kho\u1ea3ng c\u00e1ch \u0111\u00f3 l\u00e0 s\u1ef1 kh\u00f4ng \u0111\u1ed3ng b\u1ed9 gi\u1eefa c\u00e1c c\u1ef1c. Khi b\u1ea1n ki\u1ec3m tra m\u1ed9t kh\u1edfi \u0111\u1ed9ng t\u1eeb AC<\/strong> v\u1ec1 s\u1ef1 \u0111\u1ed3ng b\u1ed9, b\u1ea1n \u0111ang x\u00e1c nh\u1eadn r\u1eb1ng c\u1ea3 ba pha ti\u1ebfp x\u00fac g\u1ea7n nh\u01b0 \u0111\u1ed3ng th\u1eddi; s\u1ef1 \u0111\u1ed3ng b\u1ed9 k\u00e9m g\u00e2y ra chia d\u00f2ng kh\u00f4ng \u0111\u1ec1u, ti\u1ebfp \u0111i\u1ec3m b\u1eadt t\u1eaft nhi\u1ec1u l\u1ea7n, v\u00e0 hao m\u00f2n s\u1edbm.<\/p>\n

\u0110i\u1ec7n \u00e1p ch\u1ecbu \u0111\u1ef1ng v\u00e0 \u0111\u1ed9 b\u1ec1n \u0111\u00f3ng-m\u1edf<\/h3>\n

Hai ki\u1ec3m tra li\u00ean quan \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i \u0111\u00e2y. \u0110\u1ed1i v\u1edbi b\u00e0i ki\u1ec3m tra ch\u1ecbu \u0111i\u1ec7n m\u00f4i, b\u00e0n th\u1eed nghi\u1ec7m \u00e1p d\u1ee5ng 2500 V qua c\u00e1c ti\u1ebfp \u0111i\u1ec3m m\u1edf c\u1ee7a m\u1ed7i c\u1ef1c \u0111\u1ec3 x\u00e1c nh\u1eadn khe h\u1edf m\u1edf kh\u00f4ng b\u1ecb ph\u00e1 v\u1ee1, sau \u0111\u00f3 \u2014 v\u1edbi b\u1ed9 ti\u1ebfp \u0111i\u1ec3m \u0111\u00f3ng \u2014 \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p cao pha-pha (A\u2013B v\u00e0 B\u2013C) \u0111\u1ec3 ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n gi\u1eefa c\u00e1c pha. \u0110\u1ed1i v\u1edbi b\u00e0i ki\u1ec3m tra \u0111\u00f3ng-m\u1edf, ho\u1eb7c b\u1eadt-t\u1eaft, cu\u1ed9n d\u00e2y \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t v\u00e0 gi\u1ea3i ph\u00f3ng li\u00ean t\u1ee5c \u0111\u1ec3 b\u1ed9 ti\u1ebfp \u0111i\u1ec3m ho\u1ea1t \u0111\u1ed9ng \u0111\u00f3ng v\u00e0 m\u1edf d\u01b0\u1edbi t\u1ea3i; m\u1ed9t chu tr\u00ecnh ch\u1ecbu \u0111\u1ef1ng ng\u1eafn x\u00e1c nh\u1eadn c\u01a1 ch\u1ebf v\u00e0 c\u00e1c ti\u1ebfp \u0111i\u1ec3m ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru. C\u1eb7p ki\u1ec3m tra n\u00e0y n\u1eb1m \u1edf trung t\u00e2m c\u1ee7a c\u00e1ch ki\u1ec3m tra m\u1ed9t b\u1ed9 ti\u1ebfp \u0111i\u1ec3m AC<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong th\u1ef1c t\u1ebf.<\/p>\n

Ho\u1ea1t \u0111\u1ed9ng g\u00f3c nghi\u00eang v\u00e0 ti\u1ebfng \u1ed3n \u00e2m thanh<\/h3>\n

B\u1ed9 ti\u1ebfp \u0111i\u1ec3m hi\u1ebfm khi \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t ho\u00e0n to\u00e0n b\u1eb1ng ph\u1eb3ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, v\u00ec v\u1eady b\u00e0n th\u1eed nghi\u1ec7m g\u1eafn thi\u1ebft b\u1ecb tr\u00ean m\u1ed9t gi\u00e1 \u0111\u1ee1 c\u00f3 th\u1ec3 nghi\u00eang \u2014 th\u01b0\u1eddng t\u1eeb 60\u00b0 \u0111\u1ebfn 65\u00b0 \u2014 v\u00e0 v\u1eadn h\u00e0nh \u0111\u1ec3 x\u00e1c nh\u1eadn n\u00f3 v\u1eabn c\u00f3 th\u1ec3 \u0111\u00f3ng v\u00e0 m\u1edf m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady khi nghi\u00eang. C\u00f9ng m\u1ed9t tr\u1ea1m c\u0169ng c\u00f3 th\u1ec3 ghi l\u1ea1i ti\u1ebfng \u1ed3n ho\u1ea1t \u0111\u1ed9ng, m\u1eb7c d\u00f9, theo quy tr\u00ecnh hi\u1ec7n t\u1ea1i, \u00e2m thanh ch\u1ec9 l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 tham kh\u1ea3o ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t con s\u1ed1 \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t c\u1ee9ng nh\u1eafc, v\u00ec rung \u0111\u1ed9ng thi\u1ebft b\u1ecb \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ph\u00e9p \u0111o.<\/p>\n

Ho\u1ea1t \u0111\u1ed9ng qu\u00e1 \u00e1p v\u00e0 th\u1ea5p \u00e1p<\/h3>\n

\u0110i\u1ec7n \u00e1p cung c\u1ea5p th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 s\u1ee5t gi\u1ea3m v\u00e0 t\u0103ng v\u1ecdt, v\u00ec v\u1eady m\u1ed9t b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 cu\u1ed9n d\u00e2y ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi v\u00e0 tr\u00ean \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c \u2014 th\u01b0\u1eddng xu\u1ed1ng t\u1edbi 60% cho th\u1ea5p \u00e1p v\u00e0 l\u00ean t\u1edbi 120% cho qu\u00e1 \u00e1p \u2014 \u0111\u1ec3 x\u00e1c nh\u1eadn b\u1ed9 ti\u1ebfp \u0111i\u1ec3m v\u1eabn k\u00e9o v\u00e0o v\u00e0 th\u1ea3 ra \u0111\u00fang c\u00e1ch \u1edf c\u00e1c gi\u1edbi h\u1ea1n c\u1ee7a c\u1eeda s\u1ed5 ho\u1ea1t \u0111\u1ed9ng. V\u00ec ng\u01b0\u1ee1ng kh\u00e1c nhau theo th\u1ecb tr\u01b0\u1eddng, c\u00e1c \u0111i\u1ec3m \u0111\u1eb7t c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh: n\u1ebfu kh\u00e1ch h\u00e0ng ch\u1ec9 \u0111\u1ecbnh 70% ho\u1eb7c 110%, b\u00e0n th\u1eed nghi\u1ec7m s\u1ebd chuy\u1ec3n sang c\u00e1c gi\u00e1 tr\u1ecb \u0111\u00f3 theo y\u00eau c\u1ea7u. S\u1ef1 linh ho\u1ea1t n\u00e0y r\u1ea5t quan tr\u1ecdng khi b\u1ea1n b\u00e1n h\u00e0ng v\u00e0o c\u00e1c khu v\u1ef1c c\u00f3 ti\u00eau chu\u1ea9n qu\u1ed1c gia kh\u00e1c nhau.<\/p>\n

L\u00e3o h\u00f3a, th\u1eddi gian chuy\u1ec3n \u0111\u1ed5i v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00ednh-d\u1ef1 ph\u00f2ng<\/h3>\n

Ngo\u00e0i c\u00e1c ph\u00e9p \u0111o m\u1ed9t l\u1ea7n, c\u00f9ng m\u1ed9t n\u1ec1n t\u1ea3ng ch\u1ea1y ch\u1ebf \u0111\u1ed9 l\u00e3o h\u00f3a (ch\u1ecbu \u0111\u1ef1ng) t\u1ef1 \u0111\u1ed9ng \u0111\u00f3ng m\u1edf b\u1ed9 ti\u1ebfp \u0111i\u1ec3m \u2014 h\u1eefu \u00edch khi s\u1ea3n l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t v\u1eeba ph\u1ea3i v\u00e0 b\u1ea1n mu\u1ed1n th\u1ef1c hi\u1ec7n ki\u1ec3m tra tu\u1ed5i th\u1ecd sau c\u00e1c ki\u1ec3m tra ch\u1ee9c n\u0103ng. N\u00f3 ghi l\u1ea1i th\u1eddi gian chuy\u1ec3n \u0111\u1ed5i v\u00e0 th\u1eddi gian \u0111\u00f3ng\/m\u1edf, v\u00e0 \u0111\u1ed1i v\u1edbi nhi\u1ec7m v\u1ee5 chuy\u1ec3n \u0111\u1ed5i, n\u00f3 c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i li\u00ean t\u1ee5c gi\u1eefa ngu\u1ed3n th\u01b0\u1eddng d\u00f9ng v\u00e0 ngu\u1ed3n d\u1ef1 ph\u00f2ng, v\u1edbi th\u1eddi gian chuy\u1ec3n \u0111\u1ed5i v\u00e0 s\u1ed1 l\u1ea7n v\u1eadn h\u00e0nh \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1edfi ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/p>\n

Ki\u1ec3m tra th\u1ee7 c\u00f4ng so v\u1edbi b\u00e0n th\u1eed nghi\u1ec7m b\u1ed9 ti\u1ebfp \u0111i\u1ec3m AC t\u1ef1 \u0111\u1ed9ng<\/h2>\n

B\u1ea1n c\u00f3 th\u1ec3 \u0111o nhi\u1ec1u tham s\u1ed1 n\u00e0y th\u1ee7 c\u00f4ng v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ri\u00eang bi\u1ec7t \u2014 m\u1ed9t m\u00e1y ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n \u1edf \u0111\u00e2y, m\u1ed9t b\u1ed9 ph\u00e2n t\u00edch th\u1eddi gian \u1edf \u0111\u00f3, m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o h\u00e0nh tr\u00ecnh. V\u1ea5n \u0111\u1ec1 l\u00e0 ki\u1ec3m tra b\u1ed9 ti\u1ebfp \u0111i\u1ec3m AC<\/strong> th\u1ee7 c\u00f4ng ch\u1eadm, kh\u00f3 l\u1eb7p l\u1ea1i gi\u1eefa c\u00e1c ng\u01b0\u1eddi v\u1eadn h\u00e0nh, v\u00e0 kh\u00f3 chuy\u1ec3n th\u00e0nh d\u1eef li\u1ec7u c\u00f3 th\u1ec3 truy xu\u1ea5t m\u00e0 kh\u00e1ch h\u00e0ng ng\u00e0y c\u00e0ng y\u00eau c\u1ea7u. M\u1ed9t b\u00e0n th\u1eed nghi\u1ec7m b\u1ed9 ti\u1ebfp \u0111i\u1ec3m AC t\u1ef1 \u0111\u1ed9ng<\/strong> ch\u1ea1y to\u00e0n b\u1ed9 chu tr\u00ecnh trong m\u1ed9t l\u1ea7n k\u1eb9p v\u00e0 ch\u1ea1y, ghi l\u1ea1i m\u1ecdi k\u1ebft qu\u1ea3, v\u00e0 lo\u1ea1i b\u1ecf s\u1ef1 bi\u1ebfn \u0111\u1ed5i do con ng\u01b0\u1eddi khi\u1ebfn c\u00e1c thi\u1ebft b\u1ecb k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng l\u1ecdt qua. \u0110\u1ed1i v\u1edbi m\u1ed9t nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, n\u0103ng su\u1ea5t v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n th\u01b0\u1eddng ho\u00e0n v\u1ed1n \u0111\u1ea7u t\u01b0 nhanh ch\u00f3ng.<\/p>\n

\"M\u00e1y<\/p>\n

L\u1ef1a ch\u1ecdn m\u00e1y th\u1eed b\u1ed9 ti\u1ebfp \u0111i\u1ec3m AC ph\u00f9 h\u1ee3p<\/h2>\n

Khi b\u1ea1n \u0111\u00e1nh gi\u00e1 m\u1ed9t m\u00e1y th\u1eed b\u1ed9 ti\u1ebfp \u0111i\u1ec3m AC<\/strong>, h\u00e3y t\u00ecm c\u00e1c t\u00ednh n\u0103ng ph\u00e2n bi\u1ec7t m\u1ed9t b\u00e0n ki\u1ec3m tra nghi\u00eam t\u00fac v\u1edbi m\u1ed9t jig c\u01a1 b\u1ea3n: \u0111o kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 v\u00e0 kho\u1ea3ng c\u00e1ch m\u1edf trong m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng; \u0111\u1ecbnh th\u1eddi c\u1ef1c mili gi\u00e2y \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 h\u00f3a; t\u00edch h\u1ee3p ch\u1ecbu \u0111i\u1ec7n \u00e1p cao v\u00e0 chu k\u1ef3 \u0111\u00f3ng ng\u1eaft; \u0111i\u1ec3m \u0111\u1eb7t c\u1ea5u h\u00ecnh qu\u00e1 \u00e1p v\u00e0 d\u01b0\u1edbi \u00e1p \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n c\u1ee7a b\u1ea5t k\u1ef3 th\u1ecb tr\u01b0\u1eddng n\u00e0o; gi\u00e1 \u0111\u1ee1 nghi\u00eang cho ho\u1ea1t \u0111\u1ed9ng l\u1ec7ch m\u1ee9c; v\u00e0 ch\u1ebf \u0111\u1ed9 gi\u00e0 h\u00f3a v\u1edbi ghi d\u1eef li\u1ec7u \u0111\u1ea7y \u0111\u1ee7. M\u1ed9t b\u00e0n ki\u1ec3m tra k\u1ebft h\u1ee3p t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y cho ph\u00e9p m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh ki\u1ec3m tra to\u00e0n b\u1ed9 h\u1ed3 s\u01a1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t contactor thay v\u00ec ph\u1ea3i chuy\u1ec3n linh ki\u1ec7n gi\u1eefa c\u00e1c tr\u1ea1m ri\u00eang bi\u1ec7t.<\/p>\n

T\u1ef1 \u0111\u1ed9ng h\u00f3a Benlong M\u00e1y ki\u1ec3m tra to\u00e0n di\u1ec7n c\u00f4ng t\u1eafc t\u01a1 AC<\/a> mang c\u00e1c ki\u1ec3m tra n\u00e0y l\u1ea1i v\u1edbi nhau tr\u00ean m\u1ed9t b\u00e0n ki\u1ec3m tra \u0111\u1eb7c t\u00ednh duy nh\u1ea5t \u2014 t\u1eeb kho\u1ea3ng c\u00e1ch m\u1edf v\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a cho \u0111\u1ebfn \u0111i\u1ec7n \u00e1p ch\u1ecbu \u0111\u01b0\u1ee3c, ho\u1ea1t \u0111\u1ed9ng g\u00f3c nghi\u00eang, qu\u00e1 \u00e1p\/d\u01b0\u1edbi \u00e1p, v\u00e0 gi\u00e0 h\u00f3a t\u1ef1 \u0111\u1ed9ng \u2014 \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c minh t\u1eebng \u0111\u01a1n v\u1ecb theo m\u1ed9t ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. N\u1ebfu b\u1ea1n \u0111ang l\u00ean k\u1ebf ho\u1ea1ch c\u00e1ch ki\u1ec3m tra m\u1ed9t b\u1ed9 ti\u1ebfp \u0111i\u1ec3m AC<\/strong> d\u00e2y chuy\u1ec1n \u1edf quy m\u00f4 s\u1ea3n xu\u1ea5t, \u0111\u00e2y l\u00e0 m\u1ed9t n\u01a1i th\u1ef1c t\u1ebf \u0111\u1ec3 b\u1eaft \u0111\u1ea7u.<\/p>\n

Huang Xiaolei | T\u1ef1 \u0111\u1ed9ng h\u00f3a Benlong<\/p>","protected":false},"excerpt":{"rendered":"

The method of testing an AC contactor makes the distinction between a plant that produces reliable switching equipment from one that wastes money on warranty repairs and field failures. An AC contactor is, for the most part, a straightforward device: it consists of an electromagnetic coil, a movable iron core, and a series of main […]<\/p>\n","protected":false},"author":3,"featured_media":1402,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1400","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/comments?post=1400"}],"version-history":[{"count":2,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1400\/revisions"}],"predecessor-version":[{"id":1405,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1400\/revisions\/1405"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media\/1402"}],"wp:attachment":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media?parent=1400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/categories?post=1400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/tags?post=1400"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}