{"id":1508,"date":"2026-08-14T05:35:02","date_gmt":"2026-08-14T05:35:02","guid":{"rendered":"https:\/\/benlongkj.com\/?p=1508"},"modified":"2026-08-14T05:35:05","modified_gmt":"2026-08-14T05:35:05","slug":"how-to-test-ac-contactor-2","status":"publish","type":"post","link":"https:\/\/benlongkj.com\/vi\/blog\/how-to-test-ac-contactor-2\/","title":{"rendered":"C\u00e1ch ki\u1ec3m tra Kh\u1edfi \u0111\u1ed9ng t\u1eeb AC d\u1ec5 d\u00e0ng: \u0110\u01a1n gi\u1ea3n, nhanh ch\u00f3ng v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed."},"content":{"rendered":"

N\u1ebfu b\u1ea1n \u0111\u00e3 t\u1eebng c\u1ea7m m\u1ed9t b\u1ed9 kh\u1edfi \u0111\u1ed9ng t\u1eeb AC v\u00e0 t\u1ef1 h\u1ecfi li\u1ec7u ch\u00fang c\u00f3 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c khi k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ed9ng c\u01a1 kh\u1edfi \u0111\u1ed9ng ho\u1eb7c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n hay kh\u00f4ng, b\u1ea1n \u0111ang \u0111\u1eb7t ra m\u1ed9t trong nh\u1eefng c\u00e2u h\u1ecfi quan tr\u1ecdng nh\u1ea5t v\u1ec1 kh\u1edfi \u0111\u1ed9ng t\u1eeb AC. C\u00e1ch ki\u1ec3m tra kh\u1edfi \u0111\u1ed9ng t\u1eeb AC<\/strong>? \u0110\u00e2y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb nh\u1ecf, nh\u01b0ng khi n\u00f3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m ng\u1eebng t\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t, l\u00e0m h\u1ecfng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n ho\u1eb7c g\u00e2y ra vi\u1ec7c \u0111\u00f3ng c\u1eeda c\u00f4ng ty. \u0110i\u1ec1u may m\u1eafn l\u00e0 b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u1ea7u t\u01b0 v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng \u0111\u1eaft ti\u1ec1n \u0111\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y. B\u1ea1n c\u00f3 th\u1ec3 h\u1ecdc c\u00e1ch ki\u1ec3m tra kh\u1edfi \u0111\u1ed9ng t\u1eeb AC \u0111\u00fang c\u00e1ch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t b\u00e0n ki\u1ec3m tra th\u1ee7 c\u00f4ng \u0111\u01a1n gi\u1ea3n m\u00e0 h\u1ea7u nh\u01b0 ai c\u0169ng c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y d\u00e0nh cho nh\u1eefng c\u00e1 nh\u00e2n t\u00f2 m\u00f2 v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng nh\u01b0ng ch\u01b0a quen v\u1edbi vi\u1ec7c ki\u1ec3m tra kh\u1edfi \u0111\u1ed9ng t\u1eeb \u2014 m\u1ed9t k\u1ef9 s\u01b0 \u0111ang thi\u1ebft l\u1eadp m\u1ed9t c\u01a1 s\u1edf nghi\u00ean c\u1ee9u nh\u1ecf c\u1ee7a ch\u00ednh ph\u1ee7 ho\u1eb7c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc ho\u1eb7c m\u1ed9t ch\u1ee7 s\u1edf h\u1eefu v\u1eadn h\u00e0nh m\u1ed9t nh\u00e0 m\u00e1y nh\u1ecf v\u00e0 c\u00f3 \u00fd \u0111\u1ecbnh ki\u1ec3m tra nguy\u00ean li\u1ec7u th\u00f4 ho\u1eb7c s\u1ea3n ph\u1ea9m m\u00e0 kh\u00f4ng \u0111\u1ea7u t\u01b0 nhi\u1ec1u. N\u1ebfu b\u1ea1n \u0111\u00e3 v\u1eadn h\u00e0nh s\u1ea3n xu\u1ea5t v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn v\u00e0 c\u1ea7n ghi d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng c\u00f3 th\u1ec3 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c, b\u00e0i vi\u1ebft k\u00e8m theo c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 M\u00e1y ki\u1ec3m tra to\u00e0n di\u1ec7n r\u01a1le AC<\/a> s\u1ebd tr\u00ecnh b\u00e0y chi ti\u1ebft v\u1ec1 con \u0111\u01b0\u1eddng \u0111\u00f3. \u1ede \u0111\u00e2y, ch\u00fang t\u00f4i t\u1eadp trung v\u00e0o ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c t\u1ebf, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 th\u1ef1c h\u00e0nh.<\/p>\n

\"B\u00e0n<\/p>\n

T\u1ea1i sao vi\u1ec7c ki\u1ec3m tra kh\u1edfi \u0111\u1ed9ng t\u1eeb AC l\u1ea1i quan tr\u1ecdng<\/h2>\n

Kh\u1edfi \u0111\u1ed9ng t\u1eeb AC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t c\u00f4ng t\u1eafc \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u0111i\u1ec7n, bao g\u1ed3m m\u1ed9t cu\u1ed9n d\u00e2y k\u00e9o b\u1ed9 ti\u1ebfp \u0111i\u1ec3m chuy\u1ec3n \u0111\u1ed9ng v\u00e0o v\u1ecb tr\u00ed \u0111\u1ec3 truy\u1ec1n d\u00f2ng \u0111i\u1ec7n \u0111\u1ebfn t\u1ea3i, v\u00e0 th\u1ea3 ra khi cu\u1ed9n d\u00e2y b\u1ecb ng\u1eaft. V\u00ec c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd \u0111\u00f3ng m\u1edf h\u00e0ng ngh\u00ecn l\u1ea7n d\u01b0\u1edbi t\u1ea3i, n\u00f3 ph\u1ea3i ch\u1ecbu s\u1ef1 m\u00e0i m\u00f2n, h\u1ed3 quang, h\u00e0n d\u00ednh v\u00e0 m\u1ec7t m\u1ecfi c\u01a1 h\u1ecdc. Cu\u1ed9n d\u00e2y c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng theo th\u1eddi gian v\u00e0 c\u00f3 th\u1ec3 k\u00e9o qu\u00e1 mu\u1ed9n khi\u1ebfn kh\u00f4ng c\u00f3 t\u1ea3i khi n\u00f3 th\u1ea3 ra.<\/p>\n

Vi\u1ec7c ki\u1ec3m tra cho ph\u00e9p ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y trong kh\u1edfi \u0111\u1ed9ng t\u1eeb tr\u01b0\u1edbc khi ch\u00fang \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t nh\u1ecf, \u0111i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c gi\u1ea3m thi\u1ec3u c\u00e1c y\u00eau c\u1ea7u b\u1ea3o h\u00e0nh v\u00e0 c\u1ee7ng c\u1ed1 uy t\u00edn v\u1edbi kh\u00e1ch h\u00e0ng. \u0110i\u1ec1u n\u00e0y c\u0169ng c\u00f3 ngh\u0129a l\u00e0 ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f3 th\u1ec3 x\u00e1c minh \u0111\u1ecbnh m\u1ee9c s\u1ea3n ph\u1ea9m v\u00e0 ph\u00e1t h\u00e0nh b\u00e1o c\u00e1o \u0111\u00e1ng tin c\u1eady.<\/p>\n

B\u00e0n ki\u1ec3m tra kh\u1edfi \u0111\u1ed9ng t\u1eeb AC th\u1ee7 c\u00f4ng l\u00e0 g\u00ec<\/h2>\n

A b\u00e0n ki\u1ec3m tra th\u1ee7 c\u00f4ng<\/strong> l\u00e0 m\u1ed9t v\u1ecb tr\u00ed nh\u1ecf v\u00e0 \u0111\u1ed9c l\u1eadp t\u00edch h\u1ee3p t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t kh\u1edfi \u0111\u1ed9ng t\u1eeb v\u00e0 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 m\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng ho\u1eb7c robot n\u00e0o. B\u1ea1n g\u1eafn kh\u1edfi \u0111\u1ed9ng t\u1eeb, c\u1eafm cu\u1ed9n d\u00e2y v\u00e0 c\u00e1c \u0111\u1ea7u c\u1ef1c ch\u00ednh v\u00e0o b\u00e0n ki\u1ec3m tra v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng t\u1eafc, n\u00fam v\u1eb7n v\u00e0 \u0111\u1ed3ng h\u1ed3 c\u00f3 s\u1eb5n trong bu\u1ed3ng \u0111\u1ec3 t\u1ef1 th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra.<\/p>\n

T\u1eeb g\u00f3c \u0111\u1ed9 c\u1ee7a ng\u01b0\u1eddi mua h\u01b0\u1edbng \u0111\u1ebfn ng\u00e2n s\u00e1ch, \u0111\u00e2y l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00ec b\u00e0n ki\u1ec3m tra s\u1ebd cho ph\u00e9p m\u1ed9t ng\u01b0\u1eddi h\u1ecdc v\u1eadn h\u00e0nh ch\u1ec9 trong m\u1ed9t ng\u00e0y thay v\u00ec m\u1ed9t tu\u1ea7n. B\u00e0n ki\u1ec3m tra ch\u1ee9a \u00edt th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 h\u1ecfng h\u00f3c h\u01a1n, do \u0111\u00f3 \u0111\u1ea3m b\u1ea3o chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p v\u00e0 d\u1ec5 d\u00e0ng c\u00f3 ph\u1ee5 t\u00f9ng thay th\u1ebf. V\u00ec kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n ph\u1ee9c t\u1ea1p, chi ph\u00ed c\u1ee7a n\u00f3 c\u0169ng th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi chi ph\u00ed c\u1ee7a m\u1ed9t d\u00e2y chuy\u1ec1n t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n. Do \u0111\u00f3, c\u00e1c c\u00f4ng ty ph\u1ea3i l\u1ef1a ch\u1ecdn gi\u1eefa t\u1ed1c \u0111\u1ed9, s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 chi ph\u00ed th\u1ea5p trong khi kh\u1ed1i l\u01b0\u1ee3ng v\u1eadn h\u00e0nh th\u1ea5p ho\u1eb7c trung b\u00ecnh r\u1ea5t quan tr\u1ecdng.<\/p>\n

M\u1ed9t b\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t th\u01b0\u1eddng cho ph\u00e9p \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u00e0o cu\u1ed9n d\u00e2y, \u00e1p d\u1ee5ng t\u1ea3i qua c\u00e1c ti\u1ebfp \u0111i\u1ec3m ch\u00ednh, \u0111o \u0111i\u1ec7n tr\u1edf ti\u1ebfp \u0111i\u1ec3m, c\u0169ng nh\u01b0 th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra ch\u1ecbu \u0111i\u1ec7n \u00e1p c\u00e1ch \u0111i\u1ec7n.<\/p>\n

C\u00e1ch Ki\u1ec3m Tra Contactor AC: Ph\u01b0\u01a1ng Ph\u00e1p Th\u1ee7 C\u00f4ng T\u1eebng B\u01b0\u1edbc<\/h2>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 tr\u00ecnh t\u1ef1 b\u1ea1n n\u00ean tu\u00e2n theo. Th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc l\u1ea7n l\u01b0\u1ee3t v\u00e0 lu\u00f4n nh\u1edb c\u00e1c h\u01b0\u1edbng d\u1eabn an to\u00e0n \u00e1p d\u1ee5ng cho b\u00e0n l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n; m\u1ed9t s\u1ed1 ki\u1ec3m tra li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng \u0111i\u1ec7n \u00e1p s\u1ed1ng.<\/p>\n

B\u01b0\u1edbc 1: Ki\u1ec3m Tra H\u00ecnh Th\u1ee9c v\u00e0 C\u01a1 Kh\u00ed<\/h3>\n

Tr\u01b0\u1edbc khi k\u00edch ho\u1ea1t thi\u1ebft b\u1ecb, ki\u1ec3m tra k\u1ef9 contactor \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u1ecf b\u1ecb n\u1ee9t, v\u00edt l\u1ecfng, ti\u1ebfp \u0111i\u1ec3m bi\u1ebfn d\u1ea1ng ho\u1eb7c \u0111\u1ed5i m\u00e0u, ho\u1eb7c d\u1ea5u hi\u1ec7u qu\u00e1 nhi\u1ec7t tr\u01b0\u1edbc \u0111\u00f3. B\u1ea1n c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn contactor ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang b\u1eb1ng c\u00e1ch k\u00edch ho\u1ea1t tay c\u01a1 \u0111\u1ed9ng b\u1eb1ng tay khi kh\u00f4ng c\u00f3 \u0111i\u1ec7n; n\u00f3 n\u00ean di chuy\u1ec3n d\u1ec5 d\u00e0ng m\u00e0 kh\u00f4ng b\u1ecb k\u1eb9t ho\u1eb7c g\u00e2y ra ti\u1ebfng m\u00e0i m\u00f2n!<\/p>\n

B\u01b0\u1edbc 2: \u0110i\u1ec7n \u00c1p K\u00e9o V\u00e0o v\u00e0 Th\u1ea3 Ra C\u1ee7a Cu\u1ed9n D\u00e2y<\/h3>\n

\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng b\u00e0i ki\u1ec3m tra quan tr\u1ecdng nh\u1ea5t, v\u00e0 \u0111\u00e2y l\u00e0 \u0111i\u1ec3m m\u1ea1nh c\u1ee7a b\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng. S\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n \u00e1p c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, t\u1eeb t\u1eeb t\u0103ng \u0111i\u1ec7n \u00e1p tr\u00ean cu\u1ed9n d\u00e2y v\u00e0 ghi l\u1ea1i \u0111i\u1ec3m m\u00e0 contactor \u201ck\u00e9o v\u00e0o\u201d \u2014 l\u00fac c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111\u00f3ng l\u1ea1i. Sau \u0111\u00f3 t\u1eeb t\u1eeb gi\u1ea3m \u0111i\u1ec7n \u00e1p v\u00e0 ghi l\u1ea1i \u0111i\u1ec3m \u201cth\u1ea3 ra\u201d khi n\u00f3 m\u1edf ra. M\u1ed9t contactor kh\u1ecfe m\u1ea1nh s\u1ebd k\u00e9o v\u00e0o d\u01b0\u1edbi \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c c\u1ee7a cu\u1ed9n d\u00e2y v\u00e0 th\u1ea3 ra trong ph\u1ea1m vi quy \u0111\u1ecbnh. N\u1ebfu c\u1ea7n \u0111i\u1ec7n \u00e1p qu\u00e1 cao \u0111\u1ec3 k\u00e9o v\u00e0o ho\u1eb7c kh\u00f4ng ch\u1ecbu th\u1ea3 ra, cu\u1ed9n d\u00e2y ho\u1eb7c c\u01a1 ch\u1ebf c\u00f3 th\u1ec3 b\u1ecb nghi ng\u1edd.<\/p>\n

B\u01b0\u1edbc 3: \u0110i\u1ec7n Tr\u1edf Ti\u1ebfp \u0110i\u1ec3m v\u00e0 \u0110\u1ed9 Li\u00ean T\u1ee5c<\/h3>\n

Khi contactor \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n v\u00e0 gi\u1eef \u0111\u00f3ng, \u0111o \u0111i\u1ec7n tr\u1edf qua m\u1ed7i b\u1ed9 ti\u1ebfp \u0111i\u1ec3m ch\u00ednh. B\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t gi\u00e1 tr\u1ecb th\u1ea5p, \u1ed5n \u0111\u1ecbnh tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c c\u1ef1c. Gi\u00e1 tr\u1ecb cao ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh cho th\u1ea5y ti\u1ebfp \u0111i\u1ec3m b\u1ecb m\u00f2n, oxy h\u00f3a ho\u1eb7c h\u00e0n m\u1ed9t ph\u1ea7n. So s\u00e1nh ba c\u1ef1c v\u1edbi nhau l\u00e0 c\u00e1ch nhanh \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u1ef1c y\u1ebfu, v\u00ec m\u1ed9t contactor t\u1ed1t n\u00ean c\u00f3 gi\u00e1 tr\u1ecb \u0111o g\u1ea7n nh\u01b0 gi\u1ed1ng nhau tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c c\u1ef1c.<\/p>\n

B\u01b0\u1edbc 4: Ki\u1ec3m Tra C\u00e1ch \u0110i\u1ec7n v\u00e0 Ch\u1ecbu \u0110i\u1ec7n \u00c1p<\/h3>\n

Ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n x\u00e1c nh\u1eadn r\u1eb1ng d\u00f2ng \u0111i\u1ec7n ch\u1ec9 ch\u1ea3y n\u01a1i n\u00f3 n\u00ean ch\u1ea3y. M\u1ed9t b\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng c\u01a1 b\u1ea3n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p th\u1eed nghi\u1ec7m gi\u1eefa c\u00e1c c\u1ef1c, v\u00e0 gi\u1eefa c\u00e1c ti\u1ebfp \u0111i\u1ec3m v\u1edbi khung, \u0111\u1ec3 x\u00e1c nh\u1eadn kh\u00f4ng c\u00f3 r\u00f2 r\u1ec9 ho\u1eb7c s\u1ef1 c\u1ed1 c\u00e1ch \u0111i\u1ec7n. Tu\u00e2n theo quy tr\u00ecnh \u0111\u1ecbnh m\u1ee9c c\u1ee7a b\u00e0n th\u1eed v\u00e0 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec7n \u00e1p th\u1eed nghi\u1ec7m quy \u0111\u1ecbnh c\u1ee7a contactor. B\u01b0\u1edbc n\u00e0y b\u1ea3o v\u1ec7 ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i kh\u1ecfi s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cho b\u1ea5t k\u1ef3 s\u1ea3n ph\u1ea9m n\u00e0o s\u1ebd xu\u1ea5t kh\u1ea9u ho\u1eb7c ch\u1ee9ng nh\u1eadn.<\/p>\n

B\u01b0\u1edbc 5: Ho\u1ea1t \u0110\u1ed9ng \u0110\u00f3ng M\u1edf D\u01b0\u1edbi T\u1ea3i<\/h3>\n

B\u00e2y gi\u1edd h\u00e3y v\u1eadn h\u00e0nh contactor theo c\u00e1ch n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf: \u0111\u00f3ng m\u1edf khi mang d\u00f2ng \u0111i\u1ec7n. V\u1eadn h\u00e0nh cu\u1ed9n d\u00e2y nhi\u1ec1u l\u1ea7n v\u00e0 quan s\u00e1t, l\u1eafng nghe. C\u00e1c ti\u1ebfp \u0111i\u1ec3m n\u00ean \u0111\u00f3ng ch\u1eafc ch\u1eafn v\u1edbi \u00e2m thanh s\u1ea1ch, \u0111\u1ec1u, v\u00e0 m\u1edf ra quy\u1ebft \u0111o\u00e1n m\u00e0 kh\u00f4ng c\u00f3 tia h\u1ed3 quang qu\u00e1 m\u1ee9c. Ti\u1ebfng l\u1ea1ch c\u1ea1ch, ti\u1ebfng vo ve, ho\u1eb7c \u0111\u00f3ng ch\u1eadm \u0111\u1ec1u ch\u1ec9 ra v\u1ea5n \u0111\u1ec1 v\u1edbi cu\u1ed9n d\u00e2y, l\u00f5i t\u1eeb, ho\u1eb7c c\u01a1 ch\u1ebf.<\/p>\n

B\u01b0\u1edbc 6: \u0110\u1ed9 B\u1ec1n v\u00e0 \u0110\u1ebfm Chu K\u1ef3<\/h3>\n

\u0110\u1ec3 ti\u1ebfn h\u00e0nh m\u1ed9t b\u00e0i ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n v\u1ec1 \u0111\u1ed9 b\u1ec1n, h\u00e3y v\u1eadn h\u00e0nh b\u1ed9 ti\u1ebfp \u0111i\u1ec3m nhi\u1ec1u l\u1ea7n v\u00e0 theo d\u00f5i s\u1ed1 l\u1ea7n n\u00f3 \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh. M\u1eb7c d\u00f9 b\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ea1y n\u00f3 qua h\u00e0ng tri\u1ec7u chu k\u1ef3, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh b\u1ed9 ti\u1ebfp \u0111i\u1ec3m v\u00e0i tr\u0103m l\u1ea7n b\u1eb1ng tay \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o c\u00f3 th\u1ec3 ph\u00e1t sinh trong c\u01a1 c\u1ea5u nh\u01b0 ti\u1ebfp \u0111i\u1ec3m b\u1eadt t\u1eaft kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c cu\u1ed9n d\u00e2y qu\u00e1 nhi\u1ec7t. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t nh\u1ecf h\u01a1n, b\u00e0i ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n n\u00e0y th\u01b0\u1eddng l\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec c\u1ea7n thi\u1ebft cho \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

Hi\u1ec3u v\u1ec1 \u0110i\u1ec7n Wiring: S\u01a1 \u0111\u1ed3 B\u00e0n Th\u00ed Nghi\u1ec7m<\/h2>\n

S\u1ef1 minh b\u1ea1ch c\u1ee7a h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n l\u00e0m cho b\u00e0n th\u00ed nghi\u1ec7m th\u1ee7 c\u00f4ng tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u. B\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i t\u1eebng d\u00e2y m\u1ed9t c\u00e1ch tr\u1ef1c quan, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t thi\u1ebft b\u1ecb gi\u00e1o d\u1ee5c v\u00e0 ch\u1ea9n \u0111o\u00e1n t\u1ed1t. S\u01a1 \u0111\u1ed3 d\u01b0\u1edbi \u0111\u00e2y cho th\u1ea5y c\u00e1ch m\u1ea1ch cu\u1ed9n d\u00e2y, m\u1ea1ch ch\u00ednh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111o \u0111\u01b0\u1ee3c li\u00ean k\u1ebft tr\u00ean m\u1ed9t b\u00e0n th\u00ed nghi\u1ec7m th\u1ee7 c\u00f4ng ho\u00e0n ch\u1ec9nh.<\/p>\n

\"S\u01a1<\/p>\n

D\u00e0nh ch\u00fat th\u1eddi gian v\u1edbi s\u01a1 \u0111\u1ed3 n\u00e0y tr\u01b0\u1edbc khi b\u1ea1n th\u1ef1c hi\u1ec7n b\u00e0i ki\u1ec3m tra \u0111\u1ea7u ti\u00ean. X\u00e1c \u0111\u1ecbnh n\u01a1i \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u ch\u1ec9nh c\u1ea5p cho cu\u1ed9n d\u00e2y, n\u01a1i c\u00e1c ti\u1ebfp \u0111i\u1ec3m ch\u00ednh n\u1eb1m trong \u0111\u01b0\u1eddng t\u1ea3i, v\u00e0 n\u01a1i m\u1ed7i \u0111\u1ed3ng h\u1ed3 \u0111o k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ch. Khi b\u1ea1n hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ed1 c\u1ee5c, m\u1ed7i b\u01b0\u1edbc tr\u00ean s\u1ebd tr\u1edf n\u00ean tr\u1ef1c quan thay v\u00ec b\u00ed \u1ea9n, v\u00e0 b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 ch\u1ea9n \u0111o\u00e1n m\u1ed9t k\u1ebft qu\u1ea3 \u0111o b\u1ea5t ng\u1edd thay v\u00ec ch\u1ec9 ghi l\u1ea1i n\u00f3.<\/p>\n

Th\u1ee7 C\u00f4ng vs. T\u1ef1 \u0110\u1ed9ng: L\u1ef1a Ch\u1ecdn Ph\u01b0\u01a1ng Ph\u00e1p Ph\u00f9 H\u1ee3p<\/h2>\n

Vi\u1ec7c th\u00e0nh th\u1eadt v\u1ec1 nh\u1eefng \u0111\u00e1nh \u0111\u1ed5i l\u00e0 \u0111i\u1ec1u \u0111\u00e1ng gi\u00e1 \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn cho t\u00ecnh hu\u1ed1ng c\u1ee7a m\u00ecnh. M\u1ed9t m\u00e1y ki\u1ec3m tra to\u00e0n di\u1ec7n t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n nhi\u1ec1u ki\u1ec3m tra trong m\u1ed9t chu k\u1ef3, t\u1ef1 \u0111\u1ed9ng ghi l\u1ea1i d\u1eef li\u1ec7u ch\u00ednh x\u00e1c, v\u00e0 lo\u1ea1i b\u1ecf s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u2014 \u0111i\u1ec1u n\u00e0y l\u00fd t\u01b0\u1edfng khi b\u1ea1n ki\u1ec3m tra h\u00e0ng ngh\u00ecn \u0111\u01a1n v\u1ecb v\u00e0 c\u1ea7n h\u1ed3 s\u01a1 c\u00f3 th\u1ec3 truy xu\u1ea5t cho kh\u00e1ch h\u00e0ng l\u1edbn. N\u1ebfu \u0111i\u1ec1u \u0111\u00f3 m\u00f4 t\u1ea3 b\u1ea1n, h\u00e3y \u0111\u1ecdc b\u00e0i ph\u00e2n t\u00edch chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 m\u00e1y ki\u1ec3m tra to\u00e0n di\u1ec7n b\u1ed9 ti\u1ebfp \u0111i\u1ec3m AC t\u1ef1 \u0111\u1ed9ng<\/a>.<\/p>\n

Ng\u01b0\u1ee3c l\u1ea1i, b\u00e0n th\u00ed nghi\u1ec7m th\u1ee7 c\u00f4ng r\u1ebb h\u01a1n, d\u1ec5 v\u1eadn h\u00e0nh h\u01a1n, v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng s\u1eeda ch\u1eefa. N\u00f3 y\u00eau c\u1ea7u m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh cho m\u1ed7i l\u1ea7n ki\u1ec3m tra, kh\u00f4ng nhanh b\u1eb1ng nh\u01b0ng cung c\u1ea5p c\u00f9ng th\u00f4ng tin \u0111i\u1ec7n c\u01a1 b\u1ea3n v\u1ec1 b\u1ed9 ti\u1ebfp \u0111i\u1ec3m v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n nhi\u1ec1u. \u0110\u1ed1i v\u1edbi c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m chu\u1ea9n b\u1ecb b\u00e1o c\u00e1o \u0111\u1ecbnh k\u1ef3, c\u00e1c x\u01b0\u1edfng ki\u1ec3m tra c\u00e1c b\u1ed9 ph\u1eadn giao h\u00e0ng, ho\u1eb7c c\u00e1c nh\u00e0 m\u00e1y nh\u1ecf ki\u1ec3m tra s\u1ea3n xu\u1ea5t c\u1ee7a h\u1ecd, t\u1ef7 l\u1ec7 chi ph\u00ed th\u1ea5p v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng n\u00e0y c\u00f3 th\u1ec3 l\u00e0 l\u00fd t\u01b0\u1edfng. Nhi\u1ec1u c\u00f4ng ty s\u1eed d\u1ee5ng b\u00e0n th\u00ed nghi\u1ec7m th\u1ee7 c\u00f4ng trong th\u1eddi gian d\u00e0i tr\u01b0\u1edbc khi chuy\u1ec3n sang t\u1ef1 \u0111\u1ed9ng h\u00f3a, \u0111i\u1ec1u n\u00e0y tr\u1edf n\u00ean c\u00f3 l\u1ee3i khi c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t l\u1edbn.<\/p>\n

Ai L\u1ee3i \u00cdch Nhi\u1ec1u Nh\u1ea5t T\u1eeb B\u00e0n Th\u00ed Nghi\u1ec7m Th\u1ee7 C\u00f4ng<\/h2>\n

Hai lo\u1ea1i t\u1ed5 ch\u1ee9c h\u01b0\u1edfng l\u1ee3i nhi\u1ec1u nh\u1ea5t t\u1eeb ph\u01b0\u01a1ng ph\u00e1p n\u00e0y. Th\u1ee9 nh\u1ea5t, l\u00e0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t nh\u1ecf \u2013 ch\u1ee7 c\u00f4ng ty t\u00ecm ki\u1ebfm ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed \u0111\u1ec3 duy tr\u00ec ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u00e0 kh\u00f4ng c\u1ea7n thu\u00ea chuy\u00ean gia ho\u1eb7c \u0111\u1ea7u t\u01b0 v\u00e0o thi\u1ebft b\u1ecb \u0111\u1eaft ti\u1ec1n. Nh\u00f3m th\u1ee9 hai bao g\u1ed3m c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m th\u1ec3 ch\u1ebf \u2013 ph\u00f2ng th\u00ed nghi\u1ec7m ch\u00ednh ph\u1ee7 v\u00e0 c\u00e1c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc mu\u1ed1n gi\u1ea3m chi ph\u00ed trong khi th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

Nh\u1eefng nhu c\u1ea7u n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn \u1edf Nam \u00c1, Ch\u00e2u Phi v\u00e0 c\u00e1c khu v\u1ef1c m\u1edbi n\u1ed5i kh\u00e1c c\u00f3 \u00edt v\u1ed1n nh\u01b0ng y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t. B\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u \u0111\u00f3 \u2013 n\u00f3 c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng \u0111\u1ec3 mua v\u00e0 v\u1eadn h\u00e0nh, d\u1ec5 l\u00e0m ch\u1ee7 v\u00e0 b\u1ec1n b\u1ec9. B\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c chuy\u00ean gia m\u00e0 kh\u00f4ng t\u1ed1n nhi\u1ec1u chi ph\u00ed.<\/p>\n

Nh\u1eefng \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd khi ch\u1ecdn b\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng<\/h2>\n

Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c b\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng \u0111\u1ec1u gi\u1ed1ng nhau; do \u0111\u00f3 c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn m\u1ed9t s\u1ed1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nh\u1ea5t \u0111\u1ecbnh. B\u1ea1n n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch t\u00ecm m\u1ed9t b\u00e0n c\u00f3 \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, v\u00ec \u0111i\u1ec1u n\u00e0y c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec7n \u00e1p c\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u01b0\u1ee3t m\u00e0 \u0111\u1ec3 ki\u1ec3m tra k\u00e9o v\u00e0o v\u00e0 th\u1ea3 ra hi\u1ec7u qu\u1ea3. B\u1ea1n c\u0169ng c\u1ea7n ch\u00fa \u00fd k\u1ef9 \u0111\u1ebfn c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o, \u0111\u1ed9 r\u00f5 r\u00e0ng, d\u1ec5 hi\u1ec3u v\u00e0 nh\u00e3n m\u00e1c c\u1ee7a ch\u00fang, v\u00ec b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n g\u00e2y nh\u1ea7m l\u1eabn c\u00f3 th\u1ec3 t\u1ea1o ra r\u1ea5t nhi\u1ec1u l\u1ed7i. \u0110\u1ea3m b\u1ea3o c\u00e1c \u0111\u1ea7u n\u1ed1i v\u00e0 gi\u00e1 \u0111\u1ee1 c\u1ee7a b\u00e0n c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn t\u1ea5t c\u1ea3 c\u00e1c k\u00edch th\u01b0\u1edbc c\u1ee7a contactor \u0111\u1ec3 k\u1ebft n\u1ed1i kh\u00f4ng b\u1ecb t\u00f9y ti\u1ec7n. \u01afu ti\u00ean c\u1ea5u tr\u00fac b\u00e0n ch\u1eafc ch\u1eafn v\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p ph\u1ee5 t\u00f9ng thay th\u1ebf v\u00ec \u0111\u00f3 l\u00e0 y\u1ebfu t\u1ed1 gi\u00fap b\u00e0n ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng b\u1eadn r\u1ed9n ho\u1eb7c nhi\u1ec1u b\u1ee5i b\u1ea9n. Cu\u1ed1i c\u00f9ng, h\u00e3y ch\u1eafc ch\u1eafn r\u1eb1ng nh\u00e0 cung c\u1ea5p cung c\u1ea5p cho b\u1ea1n s\u01a1 \u0111\u1ed3 k\u1ebft n\u1ed1i r\u00f5 r\u00e0ng v\u00e0 \u0111\u00e0o t\u1ea1o c\u01a1 b\u1ea3n cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00ec t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u00e0m vi\u1ec7c.<\/p>\n

Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn ng\u01b0\u1eddi m\u1edbi n\u00ean tr\u00e1nh<\/h2>\n

M\u1ed9t v\u00e0i th\u00f3i quen \u0111\u01a1n gi\u1ea3n s\u1ebd gi\u1eef cho k\u1ebft qu\u1ea3 c\u1ee7a b\u1ea1n \u0111\u00e1ng tin c\u1eady. Lu\u00f4n x\u00e1c nh\u1eadn gi\u00e1 tr\u1ecb cu\u1ed9n d\u00e2y v\u00e0 t\u1ea3i \u0111\u1ecbnh m\u1ee9c c\u1ee7a contactor tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m, \u0111\u1ec3 b\u1ea1n bi\u1ebft \u201cb\u00ecnh th\u01b0\u1eddng\u201d n\u00ean nh\u01b0 th\u1ebf n\u00e0o. Kh\u00f4ng bao gi\u1edd b\u1ecf qua ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng, v\u00ec n\u00f3 ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i r\u00f5 r\u00e0ng mi\u1ec5n ph\u00ed. So s\u00e1nh c\u1ea3 ba c\u1ef1c v\u1edbi nhau thay v\u00ec \u0111\u00e1nh gi\u00e1 m\u1ed9t ph\u00e9p \u0111o \u0111\u01a1n l\u1ebb ri\u00eang l\u1ebb. Gi\u1eef cho c\u00e1c ti\u1ebfp \u0111i\u1ec3m v\u00e0 \u0111\u1ea7u n\u1ed1i s\u1ea1ch s\u1ebd, v\u00ec b\u1ee5i b\u1ea9n v\u00e0 oxy h\u00f3a c\u00f3 th\u1ec3 gi\u1ea3 l\u1eadp l\u1ed7i th\u1eadt. V\u00e0 quan tr\u1ecdng nh\u1ea5t, tu\u00e2n th\u1ee7 c\u00e1c quy tr\u00ecnh an to\u00e0n cho m\u1ed7i b\u01b0\u1edbc \u0111i\u1ec7n \u00e1p s\u1ed1ng \u2014 ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea9n th\u1eadn l\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh ch\u00ednh x\u00e1c.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

T\u00f4i c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 ki\u1ec3m tra contactor AC m\u00e0 kh\u00f4ng c\u1ea7n m\u00e1y t\u1ef1 \u0111\u1ed9ng kh\u00f4ng?<\/h3>\n

C\u00f3. B\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng cho ph\u00e9p b\u1ea1n x\u00e1c minh k\u00e9o v\u00e0o v\u00e0 th\u1ea3 ra cu\u1ed9n d\u00e2y, \u0111i\u1ec7n tr\u1edf ti\u1ebfp \u0111i\u1ec3m, c\u00e1ch \u0111i\u1ec7n v\u00e0 ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi t\u1ea3i \u2014 c\u00e1c ki\u1ec3m tra x\u00e1c \u0111\u1ecbnh li\u1ec7u contactor c\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng hay kh\u00f4ng. T\u1ef1 \u0111\u1ed9ng h\u00f3a gi\u00fap t\u0103ng t\u1ed1c v\u00e0 ghi d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng, nh\u01b0ng c\u00e1c ph\u00e9p th\u1eed \u0111i\u1ec7n c\u01a1 b\u1ea3n v\u1eabn gi\u1ed1ng nhau.<\/p>\n

M\u1ea5t bao l\u00e2u \u0111\u1ec3 h\u1ecdc c\u00e1ch s\u1eed d\u1ee5ng b\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng?<\/h3>\n

H\u1ea7u h\u1ebft k\u1ef9 thu\u1eadt vi\u00ean m\u1edbi c\u1ea3m th\u1ea5y tho\u1ea3i m\u00e1i trong v\u00f2ng m\u1ed9t ng\u00e0y. V\u00ec d\u00e2y n\u1ed1i c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y v\u00e0 c\u00e1c \u0111i\u1ec1u khi\u1ec3n l\u00e0 c\u00e1c c\u00f4ng t\u1eafc v\u00e0 n\u00fam v\u1eb7n \u0111\u01a1n gi\u1ea3n, n\u00ean \u0111\u01b0\u1eddng cong h\u1ecdc t\u1eadp nh\u1eb9 nh\u00e0ng h\u01a1n so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng ph\u1ea7n m\u1ec1m.<\/p>\n

B\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng c\u00f3 \u0111\u1ee7 ch\u00ednh x\u00e1c cho b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m kh\u00f4ng?<\/h3>\n

\u0110\u1ed1i v\u1edbi nhi\u1ec1u m\u1ee5c \u0111\u00edch c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t nh\u1ecf, c\u00f3. Mi\u1ec5n l\u00e0 thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch v\u00e0 b\u1ea1n tu\u00e2n th\u1ee7 quy tr\u00ecnh nh\u1ea5t qu\u00e1n, b\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng t\u1ea1o ra k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i.<\/p>\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n

H\u1ecdc h\u1ecfi c\u00e1ch ki\u1ec3m tra contactor ac<\/strong> kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 l\u1edbn. M\u1ed9t b\u00e0n th\u1eed nghi\u1ec7m th\u1ee7 c\u00f4ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1ed1t cung c\u1ea5p cho c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m nh\u1ecf v\u00e0 x\u01b0\u1edfng l\u00e0m vi\u1ec7c m\u1ed9t con \u0111\u01b0\u1eddng r\u00f5 r\u00e0ng, h\u1ee3p l\u00fd \u0111\u1ec3 x\u00e1c minh ch\u1ea5t l\u01b0\u1ee3ng \u2014 t\u1eeb ki\u1ec3m tra nhanh b\u1eb1ng m\u1eaft th\u01b0\u1eddng \u0111\u1ebfn \u0111i\u1ec7n \u00e1p cu\u1ed9n d\u00e2y, \u0111i\u1ec7n tr\u1edf ti\u1ebfp \u0111i\u1ec3m, c\u00e1ch \u0111i\u1ec7n v\u00e0 ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi t\u1ea3i. N\u00f3 \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 v\u1eadn h\u00e0nh, chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p v\u00e0 r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi mua c\u00f3 ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf nh\u01b0ng v\u1eabn t\u1eeb ch\u1ed1i th\u1ecfa hi\u1ec7p v\u1ec1 \u0111\u1ed9 tin c\u1eady.<\/p>\n

N\u1ebfu b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng b\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m v\u1edbi s\u1ef1 t\u1ef1 tin, \u0111\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ch\u1ecdn m\u1ed9t b\u00e0n th\u1eed nghi\u1ec7m ti\u1ebfp \u0111i\u1ec3m AC th\u1ee7 c\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n. V\u00e0 khi kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n t\u0103ng l\u00ean, ch\u00fang t\u00f4i c\u0169ng s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 b\u1ea1n m\u1edf r\u1ed9ng sang th\u1eed nghi\u1ec7m t\u1ef1 \u0111\u1ed9ng. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 b\u00e0n th\u1eed nghi\u1ec7m ph\u00f9 h\u1ee3p cho ph\u00f2ng th\u00ed nghi\u1ec7m ho\u1eb7c nh\u00e0 m\u00e1y c\u1ee7a b\u1ea1n.<\/strong><\/p>\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

If you have held a set of AC contactors and questioned if they will perform correctly when connected to a starter motor or control panel, you are asking one of the most important questions about AC contactors. How to test AC contactor? It is a small device, but when it does not operate correctly, it […]<\/p>\n","protected":false},"author":3,"featured_media":1507,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1508","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\/1508","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=1508"}],"version-history":[{"count":1,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1508\/revisions"}],"predecessor-version":[{"id":1509,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1508\/revisions\/1509"}],"wp:attachment":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media?parent=1508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/categories?post=1508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/tags?post=1508"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}