1. Nguy\u00ean nh\u00e2n qu\u1ea1t ch\u1ea1y sai chi\u1ec1u<\/p>\n
1.1 \u0110\u1ea5u nh\u1ea7m d\u00e2y \u0111i\u1ec7n
\n\u2022 \u0110\u1ea5u nh\u1ea7m d\u00e2y pha \u2013 d\u00e2y trung t\u00ednh.
\n\u2022 \u0110\u1ea5u sai th\u1ee9 t\u1ef1 d\u00e2y trong qu\u1ea1t 1 pha c\u00f3 t\u1ee5.
\n\u2022 \u0110\u1ea5u nh\u1ea7m pha trong qu\u1ea1t 3 pha.<\/p>\n
\u0110\u00e2y l\u00e0 nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p nh\u1ea5t.<\/p>\n
1.2 \u0110\u1ea5u ng\u01b0\u1ee3c t\u1ee5 \u0111i\u1ec7n (qu\u1ea1t 1 pha)
\n\u2022 T\u1ee5 \u0111i\u1ec7n c\u00f3 nhi\u1ec7m v\u1ee5 t\u1ea1o l\u1ec7ch pha \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh chi\u1ec1u quay.
\n\u2022 \u0110\u1ea5u nh\u1ea7m v\u1ecb tr\u00ed t\u1ee5 s\u1ebd khi\u1ebfn qu\u1ea1t quay ng\u01b0\u1ee3c chi\u1ec1u mong mu\u1ed1n.<\/p>\n
1.3 \u0110\u1ed9ng c\u01a1 b\u1ecb qu\u1ea5n sai chi\u1ec1u
\n\u2022 \u0110\u1ed9ng c\u01a1 m\u1edbi qu\u1ea5n l\u1ea1i nh\u01b0ng qu\u1ea5n ng\u01b0\u1ee3c cu\u1ed9n ph\u1ee5.
\n\u2022 L\u1ed7i k\u1ef9 thu\u1eadt trong qu\u00e1 tr\u00ecnh s\u1eeda ch\u1eefa.<\/p>\n
1.4 L\u1eafp \u0111\u1eb7t qu\u1ea1t sai h\u01b0\u1edbng
\n\u2022 Qu\u1ea1t h\u00fat gi\u00f3 l\u1eafp ng\u01b0\u1ee3c m\u1eb7t h\u00fat \u2013 m\u1eb7t th\u1ed5i.
\n\u2022 Kh\u00f4ng ki\u1ec3m tra m\u0169i t\u00ean ch\u1ec9 chi\u1ec1u gi\u00f3 tr\u00ean th\u00e2n qu\u1ea1t.<\/p>\n
1.5 \u0110\u1ea3o pha ngu\u1ed3n \u0111i\u1ec7n (qu\u1ea1t 3 pha)
\n\u2022 Th\u1ee9 t\u1ef1 pha kh\u00f4ng \u0111\u00fang l\u00e0m \u0111\u1ed9ng c\u01a1 quay ng\u01b0\u1ee3c chi\u1ec1u.<\/p>\n
2. C\u00e1ch x\u00e1c \u0111\u1ecbnh chi\u1ec1u quay \u0111\u00fang c\u1ee7a qu\u1ea1t
\n\u2022 Quan s\u00e1t m\u0169i t\u00ean ch\u1ec9 chi\u1ec1u quay ho\u1eb7c chi\u1ec1u gi\u00f3 tr\u00ean th\u00e2n qu\u1ea1t.
\n\u2022 So s\u00e1nh v\u1edbi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng h\u00fat \u2013 th\u1ed5i.
\n\u2022 Ki\u1ec3m tra h\u01b0\u1edbng nghi\u00eang c\u1ee7a c\u00e1nh qu\u1ea1t (m\u00e9p c\u00e1nh \u0111\u1ea9y gi\u00f3).<\/p>\n
3. C\u00e1ch \u0111\u1ea5u chi\u1ec1u quay qu\u1ea1t theo \u00fd mu\u1ed1n<\/p>\n
3.1 \u0110\u1ed1i v\u1edbi qu\u1ea1t 1 pha (220V \u2013 c\u00f3 t\u1ee5 \u0111i\u1ec7n)<\/p>\n
C\u00e1ch l\u00e0m \u0111\u01a1n gi\u1ea3n nh\u1ea5t:
\n\u2022 \u0110\u1ed5i v\u1ecb tr\u00ed 2 \u0111\u1ea7u d\u00e2y c\u1ee7a cu\u1ed9n ph\u1ee5 (qua t\u1ee5 \u0111i\u1ec7n).<\/p>\n
Nguy\u00ean t\u1eafc:
\n\u2022 Gi\u1eef nguy\u00ean cu\u1ed9n ch\u00ednh.
\n\u2022 \u0110\u1ea3o chi\u1ec1u cu\u1ed9n ph\u1ee5 \u2192 \u0111\u1ed5i chi\u1ec1u quay c\u1ee7a qu\u1ea1t.<\/p>\n
S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd:
\n\u2022 Mu\u1ed1n \u0111\u1ed5i chi\u1ec1u \u2192 chuy\u1ec3n \u0111\u1ea7u t\u1ee5 t\u1eeb d\u00e2y A sang d\u00e2y B (ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i).<\/p>\n
\u26a0\ufe0f L\u01b0u \u00fd:
\n\u2022 Ng\u1eaft \u0111i\u1ec7n ho\u00e0n to\u00e0n tr\u01b0\u1edbc khi thao t\u00e1c.
\n\u2022 Kh\u00f4ng \u0111\u1ea3o d\u00e2y ngu\u1ed3n tr\u1ef1c ti\u1ebfp v\u00ec kh\u00f4ng \u0111\u1ed5i chi\u1ec1u quay.<\/p>\n
3.2 \u0110\u1ed1i v\u1edbi qu\u1ea1t 3 pha (380V)<\/p>\n
C\u00e1ch l\u00e0m nhanh v\u00e0 an to\u00e0n:
\n\u2022 \u0110\u1ea3o v\u1ecb tr\u00ed 2 trong 3 d\u00e2y pha b\u1ea5t k\u1ef3.<\/p>\n
\u2714 Sau khi \u0111\u1ea3o, \u0111\u1ed9ng c\u01a1 s\u1ebd quay ng\u01b0\u1ee3c chi\u1ec1u ngay.<\/p>\n
V\u00ed d\u1ee5:
\n\u2022 \u0110\u1ed5i pha L1 \u2194 L2
\n\u2022 Ho\u1eb7c L2 \u2194 L3<\/p>\n
3.3 \u0110\u1ed1i v\u1edbi qu\u1ea1t d\u00f9ng bi\u1ebfn t\u1ea7n
\n\u2022 \u0110\u1ed5i chi\u1ec1u quay b\u1eb1ng c\u00e0i \u0111\u1eb7t th\u00f4ng s\u1ed1 tr\u00ean bi\u1ebfn t\u1ea7n.
\n\u2022 Ho\u1eb7c \u0111\u1ea3o th\u1ee9 t\u1ef1 pha \u0111\u1ea7u ra c\u1ee7a bi\u1ebfn t\u1ea7n (theo h\u01b0\u1edbng d\u1eabn h\u00e3ng).<\/p>\n
4. L\u01b0u \u00fd an to\u00e0n khi \u0111\u1ed5i chi\u1ec1u quay qu\u1ea1t<\/p>\n
\u26a0\ufe0f Lu\u00f4n ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n tr\u01b0\u1edbc khi thao t\u00e1c.
\n\u26a0\ufe0f Ki\u1ec3m tra k\u1ef9 t\u1ee5 \u0111i\u1ec7n v\u00e0 d\u00e2y d\u1eabn tr\u01b0\u1edbc khi \u0111\u1ea5u.
\n\u26a0\ufe0f Ch\u1ea1y th\u1eed kh\u00f4ng t\u1ea3i \u0111\u1ec3 ki\u1ec3m tra chi\u1ec1u quay.
\n\u26a0\ufe0f N\u1ebfu qu\u1ea1t rung, k\u00eau ho\u1eb7c n\u00f3ng \u2192 d\u1eebng ngay \u0111\u1ec3 ki\u1ec3m tra l\u1ea1i.<\/p>\n
5. Khi n\u00e0o c\u1ea7n g\u1ecdi k\u1ef9 thu\u1eadt chuy\u00ean m\u00f4n?
\n\u2022 Kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c d\u00e2y cu\u1ed9n ch\u00ednh \u2013 cu\u1ed9n ph\u1ee5.
\n\u2022 Qu\u1ea1t ch\u1ea1y y\u1ebfu, n\u00f3ng sau khi \u0111\u1ed5i chi\u1ec1u.
\n\u2022 H\u1ec7 th\u1ed1ng qu\u1ea1t c\u00f4ng nghi\u1ec7p c\u00f4ng su\u1ea5t l\u1edbn, qu\u1ea1t g\u1eafn \u1ed1ng gi\u00f3 d\u00e0i.<\/p>\n
K\u1ebft lu\u1eadn<\/p>\n
Qu\u1ea1t ch\u1ea1y sai chi\u1ec1u ch\u1ee7 y\u1ebfu do \u0111\u1ea5u nh\u1ea7m d\u00e2y, \u0111\u1ea3o pha ho\u1eb7c \u0111\u1ea5u sai t\u1ee5 \u0111i\u1ec7n. Vi\u1ec7c \u0111\u1ea5u \u0111\u00fang chi\u1ec1u quay s\u1ebd gi\u00fap qu\u1ea1t ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang ch\u1ee9c n\u0103ng, \u0111\u1ea1t hi\u1ec7u su\u1ea5t t\u1ed1i \u0111a v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1.
\nS\u01a0 \u0110\u1ed2 \u0110\u1ea4U D\u00c2Y MINH H\u1eccA \u0110\u1ed4I CHI\u1ec0U QUAY QU\u1ea0T<\/p>\n
1. S\u01a1 \u0111\u1ed3 \u0111\u1ea5u d\u00e2y qu\u1ea1t 1 pha (220V \u2013 c\u00f3 t\u1ee5 \u0111i\u1ec7n)<\/p>\n
Qu\u1ea1t 1 pha th\u01b0\u1eddng c\u00f3:
\n\u2022 Cu\u1ed9n ch\u00ednh (Main winding)
\n\u2022 Cu\u1ed9n ph\u1ee5 (Aux winding)
\n\u2022 T\u1ee5 \u0111i\u1ec7n
\nNguy\u00ean t\u1eafc \u0111\u1ed5i chi\u1ec1u quay
\n\u0110\u1ea3o v\u1ecb tr\u00ed 2 \u0111\u1ea7u d\u00e2y cu\u1ed9n ph\u1ee5 (qua t\u1ee5 \u0111i\u1ec7n)
\n\u26d4 Kh\u00f4ng \u0111\u1ea3o d\u00e2y ngu\u1ed3n tr\u1ef1c ti\u1ebfp<\/p>\n
S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd (minh h\u1ecda)<\/p>\n
Chi\u1ec1u quay thu\u1eadn:
\nL (Pha) \u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 Cu\u1ed9n ch\u00ednh \u2500\u2500\u2500\u2500\u2500\u2500 N (Trung t\u00ednh)
\n\u2502
\n\u2514\u2500 T\u1ee5 \u0111i\u1ec7n \u2500\u2500 Cu\u1ed9n ph\u1ee5 \u2500\u2500\u2500\u2500\u2518
\nChi\u1ec1u quay ng\u01b0\u1ee3c (\u0111\u1ed5i chi\u1ec1u):
\nL (Pha) \u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 Cu\u1ed9n ch\u00ednh \u2500\u2500\u2500\u2500\u2500\u2500 N (Trung t\u00ednh)
\n\u2502
\n\u2514\u2500 Cu\u1ed9n ph\u1ee5 \u2500\u2500 T\u1ee5 \u0111i\u1ec7n \u2500\u2500\u2500\u2500\u2518
\nCh\u1ec9 c\u1ea7n \u0111\u1ed5i v\u1ecb tr\u00ed 2 \u0111\u1ea7u d\u00e2y c\u1ee7a cu\u1ed9n ph\u1ee5 qua t\u1ee5 l\u00e0 qu\u1ea1t s\u1ebd quay ng\u01b0\u1ee3c chi\u1ec1u.<\/p>\n
\u26a0\ufe0f L\u01b0u \u00fd quan tr\u1ecdng
\n\u2022 Lu\u00f4n ng\u1eaft \u0111i\u1ec7n ho\u00e0n to\u00e0n tr\u01b0\u1edbc khi \u0111\u1ea5u d\u00e2y
\n\u2022 Ghi nh\u1edb v\u1ecb tr\u00ed d\u00e2y ban \u0111\u1ea7u \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn
\n\u2022 Sau khi \u0111\u1ea5u xong, ch\u1ea1y th\u1eed qu\u1ea1t kh\u00f4ng t\u1ea3i
\n2. S\u01a1 \u0111\u1ed3 \u0111\u1ea5u d\u00e2y qu\u1ea1t 3 pha (380V)<\/p>\n
Qu\u1ea1t 3 pha kh\u00f4ng d\u00f9ng t\u1ee5, chi\u1ec1u quay ph\u1ee5 thu\u1ed9c th\u1ee9 t\u1ef1 pha.<\/p>\n
S\u01a1 \u0111\u1ed3 \u0111\u1ea5u chu\u1ea9n
\nL1 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\nL2 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500 \u0110\u1ed9ng c\u01a1 3 pha \u2500\u2500\u2500 Qu\u1ea1t quay thu\u1eadn
\nL3 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n
\u0110\u1ed5i chi\u1ec1u quay<\/p>\n
\u0110\u1ea3o b\u1ea5t k\u1ef3 2 trong 3 d\u00e2y pha
\nL1 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\nL3 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500 \u0110\u1ed9ng c\u01a1 3 pha \u2500\u2500\u2500 Qu\u1ea1t quay ng\u01b0\u1ee3c
\nL2 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\n\u2714 V\u00ed d\u1ee5:
\n\u2022 \u0110\u1ed5i L1 \u2194 L2
\n\u2022 Ho\u1eb7c L2 \u2194 L3<\/p>\n
3. S\u01a1 \u0111\u1ed3 \u0111\u1ed5i chi\u1ec1u qu\u1ea1t d\u00f9ng bi\u1ebfn t\u1ea7n<\/p>\n
C\u00f3 2 c\u00e1ch:<\/p>\n
C\u00e1ch 1: C\u00e0i \u0111\u1eb7t tr\u00ean bi\u1ebfn t\u1ea7n
\n\u2022 \u0110\u1ed5i th\u00f4ng s\u1ed1 Forward \/ Reverse
\n\u2022 \u00c1p d\u1ee5ng theo h\u01b0\u1edbng d\u1eabn c\u1ee7a h\u00e3ng bi\u1ebfn t\u1ea7n
\nC\u00e1ch 2: \u0110\u1ea3o pha \u0111\u1ea7u ra bi\u1ebfn t\u1ea7n
\nU \u2500\u2500\u2500\u2500\u2500\u2510
\nV \u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500 \u0110\u1ed9ng c\u01a1 \u2192 \u0111\u1ed5i U \u2194 V
\nW \u2500\u2500\u2500\u2500\u2500\u2518
\n4. Ki\u1ec3m tra sau khi \u0111\u1ea5u d\u00e2y
\n\u2705 Qu\u1ea1t quay \u0111\u00fang chi\u1ec1u thi\u1ebft k\u1ebf
\n\u2705 Gi\u00f3 th\u1ed5i\/h\u00fat \u0111\u00fang h\u01b0\u1edbng
\n\u2705 Kh\u00f4ng rung l\u1eafc, kh\u00f4ng k\u00eau l\u1edbn
\n\u2705 \u0110\u1ed9ng c\u01a1 kh\u00f4ng n\u00f3ng b\u1ea5t th\u01b0\u1eddng<\/p>\n
Khuy\u1ebfn c\u00e1o k\u1ef9 thu\u1eadt
\n\u2022 V\u1edbi qu\u1ea1t c\u00f4ng nghi\u1ec7p c\u00f4ng su\u1ea5t l\u1edbn, n\u00ean \u0111\u1ec3 th\u1ee3 k\u1ef9 thu\u1eadt th\u1ef1c hi\u1ec7n
\n\u2022 \u0110\u1ea5u sai chi\u1ec1u ho\u1eb7c sai t\u1ee5 c\u00f3 th\u1ec3 g\u00e2y n\u00f3ng \u0111\u1ed9ng c\u01a1 \u2013 ch\u00e1y cu\u1ed9n d\u00e2y<\/p>\n","protected":false},"excerpt":{"rendered":"
1. Nguy\u00ean nh\u00e2n qu\u1ea1t ch\u1ea1y sai chi\u1ec1u 1.1 \u0110\u1ea5u nh\u1ea7m d\u00e2y \u0111i\u1ec7n \u2022 \u0110\u1ea5u nh\u1ea7m d\u00e2y pha \u2013 d\u00e2y trung t\u00ednh. \u2022 \u0110\u1ea5u sai th\u1ee9 t\u1ef1 d\u00e2y trong qu\u1ea1t 1 pha c\u00f3 t\u1ee5. \u2022 \u0110\u1ea5u nh\u1ea7m pha trong qu\u1ea1t 3 pha. \u0110\u00e2y l\u00e0 nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p nh\u1ea5t. 1.2 \u0110\u1ea5u ng\u01b0\u1ee3c t\u1ee5 \u0111i\u1ec7n (qu\u1ea1t 1 […]\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42,1],"tags":[],"class_list":["post-1","post","type-post","status-publish","format-standard","hentry","category-quat-cong-nghiep","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=\/wp\/v2\/posts\/1","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1"}],"version-history":[{"count":19,"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=\/wp\/v2\/posts\/1\/revisions"}],"predecessor-version":[{"id":1728,"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=\/wp\/v2\/posts\/1\/revisions\/1728"}],"wp:attachment":[{"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quatcongnghiepairfan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}