{"id":18097,"date":"2014-09-02T22:17:13","date_gmt":"2014-09-02T15:17:13","guid":{"rendered":"https:\/\/banbientan.com\/?p=18097"},"modified":"2014-09-02T22:17:13","modified_gmt":"2014-09-02T15:17:13","slug":"bo-bien-doi-tan-so-50hz-sang-60hz","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=18097","title":{"rendered":"B\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1 50Hz sang 60Hz"},"content":{"rendered":"

1. B\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1 l\u00e0 g\u00ec ?<\/strong><\/h2>\n

B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 (frequency converter) c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t pha ho\u1eb7c 3 pha, v\u1edbi ch\u1ee9c n\u0103ng l\u00e0 bi\u1ebfn \u0111\u1ed5i ngu\u1ed3n l\u01b0\u1edbi t\u1ea5n s\u1ed1 t\u1eeb 50Hz sang 60Hz, ho\u1eb7c 60Hz sang 50Hz ho\u1eb7c t\u1eeb 50\/60Hz sang 400Hz cho m\u1ed9t s\u1ed1 y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t.
\nB\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1 c\u0169ng c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1o nh\u01b0ng m\u1ee5c \u0111\u00edch v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 v\u1eabn l\u00e0 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1.
\nB\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1 ho\u00e0n to\u00e0n kh\u00e1c bi\u1ebfn t\u1ea7n<\/a>, b\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1 d\u00f9ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i c\u00f4ng su\u1ea5t t\u1eeb ti\u00eau chu\u1ea9n \u0111i\u1ec7n n\u00e0y sang ti\u00eau chu\u1ea9n \u0111i\u1ec7n kh\u00e1c (v\u00ed d\u1ee5 50Hz sang 60Hz, 50Hz sang 400Hz)<\/p>\n

2. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1 v\u1edbi bi\u1ebfn t\u1ea7n \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1.<\/strong><\/h3>\n\n\n\n\n\n\n\n
B\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1<\/strong><\/td>\nBi\u1ebfn t\u1ea7n<\/strong><\/a><\/td>\n<\/tr>\n
D\u00f9ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1p \/ t\u1ea7n s\u1ed1 c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n theo ti\u00eau chu\u1ea9n n\u00e0y sang ti\u00eau chu\u1ea9n c\u1ee7a n\u01b0\u1edbc kh\u00e1c (\u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 l\u00e0 c\u1ed1 \u0111\u1ecbnh)<\/td>\nbien tan<\/a> d\u00f9ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i c\u1ea3 \u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 theo \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh c\u1ee7a thu\u1eadt to\u00e1n \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 v\u00e0 \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1<\/td>\n<\/tr>\n
V\u00ed d\u1ee5: bi\u1ebfn \u0111\u1ed5i c\u1ed1 \u0111\u1ecbnh 380VAC\/50Hz sang 200V\/60HZ ho\u1eb7c 208V\/400Hz<\/td>\nV\u00ed d\u1ee5: khi b\u1ea1n \u0111\u1eb7t t\u1ea7n s\u1ed1 60Hz, b\u1ea1n c\u00f3 bi\u1ebft \u0111i\u1ec7n \u00e1p ra c\u1ee7a bi\u1ebfn t\u1ea7n l\u00e0 bao nhi\u00eau VAC? li\u1ec7u \u0111\u00f3 c\u00f3 ph\u1ea3i l\u00e0 110VAC\/60Hz theo ti\u00eau chu\u1ea9n \u0111i\u1ec7n c\u1ee7a Nh\u1eadt?<\/td>\n<\/tr>\n
\u0110i\u1ec7n \u00e1p \u0111\u1ea7u ra d\u1ea1ng Sin chu\u1ea9n<\/td>\n\u0110i\u1ec7n \u00e1p ra d\u1ea1ng xung \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1<\/td>\n<\/tr>\n
\u0110\u1ea7u ra \u0111i\u1ec7n \u00e1p lu\u00f4n \u1ed5n \u0111\u1ecbnh, v\u00ed d\u1ee5 60Hz\/200VAC<\/td>\nDo d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 v\u00e0 \u0111i\u1ec7n \u00e1p DC bus c\u1ed1 \u0111\u1ecbnh n\u00ean khi c\u00e0i \u0111\u1eb7t t\u1ea7n s\u1ed1 60Hz \u0111i\u1ec7n \u00e1p s\u1ebd kho\u1ea3ng\u00a0440VAC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

S\u01a1 \u0111\u1ed3 b\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1 nh\u01b0 sau:
\n\"so<\/a>
\n <\/p>\n

3. C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1<\/strong><\/h3>\n

3.1 D\u00f9ng cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n nh\u1eadp kh\u1ea5u.<\/strong>
\nKhi nh\u1eadp kh\u1ea9u c\u00e1c thi\u1ebft b\u1ecb t\u1eeb m\u1ed9t s\u1ed1 n\u01b0\u1edbc nh\u01b0 Nh\u1eadt (60Hz\/200V, M\u1ef9 (208V\/60Hz), H\u00e0n Qu\u1ed1c (380V\/60HZ)… trong khi ti\u00eau chu\u1ea9n c\u1ee7a Vi\u1ec7t Nam l\u00e0 380VAC\/50Hx, do \u0111\u00f3 c\u1ea7n s\u1eed d\u1ee5ng b\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1, theo ti\u00eau chu\u1ea9n \u0111i\u1ec7n \u0111\u1ec3 cung c\u1ea5p \u0111i\u1ec7n \u00e1p\/ t\u1ea7n s\u1ed1 ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb tr\u00ean.
\nS\u01a1 \u0111\u1ed3 bi\u1ebfn \u0111\u1ed5i:
\n\"so<\/a>
\n3.2 D\u00f9ng cho \u0111\u00f3ng t\u00e0u, t\u00e0u bi\u1ebfn.<\/strong>
\n– Cung c\u1ea5p \u0111i\u1ec7n cho t\u00e0u khi c\u1eadp b\u1ebfn b\u1eb1ng ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi 50Hz (Do h\u1ea7u h\u1ebft c\u00e1c t\u00e0u s\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 60Hz \u0111i\u1ec7n \u00e1p 440VAC)
\n– Testing c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n tr\u00ean t\u00e0u khi \u0111\u00f3ng t\u00e0u cho c\u00e1c n\u01b0\u1edbc d\u00f9ng 60Hz nh\u01b0 Nh\u1eadt, M\u1ef8, Ch\u00e2u \u00c2u tr\u01b0\u1edbc khi b\u00e0n giao cho ch\u1ee7 \u0111\u1ea7u t\u01b0
\n\"bien<\/a>
\n 
\n <\/p>\n

\u00a04. Ph\u00e2n lo\u1ea1i c\u00e1c b\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1<\/strong><\/h3>\n

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

1. B\u1ed9 bi\u1ebfn \u0111\u1ed5i t\u1ea7n s\u1ed1 l\u00e0 g\u00ec ? B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 (frequency converter) c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t pha ho\u1eb7c 3 pha, v\u1edbi ch\u1ee9c n\u0103ng l\u00e0 bi\u1ebfn \u0111\u1ed5i ngu\u1ed3n l\u01b0\u1edbi t\u1ea5n s\u1ed1 t\u1eeb 50Hz sang 60Hz, ho\u1eb7c 60Hz sang 50Hz ho\u1eb7c t\u1eeb 50\/60Hz sang 400Hz cho m\u1ed9t s\u1ed1 y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t. B\u1ed9 […]<\/p>\n","protected":false},"author":2,"featured_media":18098,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11499],"tags":[12809,12853,12854,12855],"class_list":["post-18097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-tu-dong-hoa","tag-bien-doi-tan-so","tag-bien-doi-tu-50hz-sang-60hz","tag-bo-bien-doi-tan-so-50hz-sang-60hz","tag-sang-400hz"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18097","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=18097"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18097\/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=18097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}