{"id":1248,"date":"2021-08-13T04:36:31","date_gmt":"2021-08-13T04:36:31","guid":{"rendered":"https:\/\/toancau.vn\/?p=1248"},"modified":"2025-04-17T05:04:43","modified_gmt":"2025-04-17T05:04:43","slug":"quy-trinh-hoat-dong-cua-may-nan-rectifier-trong-he-thong-ups","status":"publish","type":"post","link":"https:\/\/toancau.vn\/en\/blog\/quy-trinh-hoat-dong-cua-may-nan-rectifier-trong-he-thong-ups.html","title":{"rendered":"QUY TR\u00ccNH HO\u1ea0T \u0110\u1ed8NG C\u1ee6A M\u00c1Y N\u1eaeN (RECTIFIER) TRONG H\u1ec6 TH\u1ed0NG UPS"},"content":{"rendered":"

M\u00e1y n\u1eafn Rectifier<\/span><\/strong> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (AC) sang d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC). Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 qu\u00e1 tr\u00ecnh qu\u00e1 tr\u00ecnh ch\u1ec9nh l\u01b0u. V\u1ec1 c\u01a1 b\u1ea3n, qu\u00e1 tr\u00ecnh ch\u1ec9nh l\u01b0u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua m\u1ed9t linh ki\u1ec7n nh\u01b0 \u0111i\u1ed1t \u1ed1ng ch\u00e2n kh\u00f4ng, van h\u1ed3 quang th\u1ee7y ng\u00e2n, c\u00e1c \u0111i\u1ed1t tr\u1ea1ng th\u00e1i r\u1eafn, ch\u1ec9nh l\u01b0u \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch b\u00e1n d\u1eabn silicon kh\u00e1c. V\u1edbi ch\u1ee9c n\u0103ng ch\u1ee7 y\u1ebfu n\u00e0y, c\u00f3 th\u1ec3 n\u00f3i M\u00e1y n\u1eafn Rectifier l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi ch\u1ee9c n\u0103ng tr\u00e1i ng\u01b0\u1ee3c ho\u00e0n to\u00e0n v\u1edbi chi\u1ebfc m\u00e1y bi\u1ebfn t\u1ea7n \u2013 Inverter.<\/span><\/p>\n

M\u00e1y n\u1eafn (ch\u1ec9nh l\u01b0u) Rectifier c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng, nh\u01b0ng ch\u1ee7 y\u1ebfu n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn c\u1ee7a b\u1ed9 ngu\u1ed3n \u0111i\u1ec7n DC v\u00e0 h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n \u0111i\u1ec7n c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u00ednh m\u1ed9t chi\u1ec1u \u0111i\u1ec7n. Quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n nh\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh ch\u1ec9nh l\u01b0u \u0111\u00f3 l\u00e0 t\u1ea1o ra lo\u1ea1i d\u00f2ng DC \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft th\u00f4ng qua c\u00e1c dao \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p v\u00e0 dao \u0111\u1ed9ng d\u00f2ng \u0111i\u1ec7n c\u1ee7a n\u00f3 (m\u1eb7t d\u00f9 d\u00f2ng \u0111i\u1ec7n n\u00e0y v\u1eabn l\u00e0 d\u1ea1ng m\u1ed9t chi\u1ec1u).<\/span><\/p>\n

\"\"<\/span><\/p>\n

Bi\u1ec3u \u0111\u1ed3 m\u1ea1ch ch\u1ec9nh l\u01b0u to\u00e0n s\u00f3ng\u00a0<\/em><\/span><\/p>\n

Sau \u0111\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a Rectifier trong h\u1ec7 th\u1ed1ng ngu\u1ed3n \u0111i\u1ec7n li\u00ean t\u1ee5c UPS, c\u1ee5 th\u1ec3 l\u00e0 trong h\u1ec7 th\u1ed1ng UPS chuy\u1ec3n \u0111\u1ed9ng k\u00e9p (Online\/ Double Conversion UPS)<\/span><\/p>\n

UPS Chuy\u1ec3n \u0111\u1ed5i k\u00e9p<\/strong> l\u00e0 h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 ngu\u1ed3n \u0111i\u1ec7n l\u00fd t\u01b0\u1edfng cho nh\u1eefng thi\u1ebft b\u1ecb y\u00eau c\u1ea7u c\u1ea7n ph\u1ea3i c\u00f3 s\u1ef1 c\u00e1ch ly ngu\u1ed3n \u0111i\u1ec7n ho\u1eb7c s\u1eed d\u1ee5ng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c dao \u0111\u1ed9ng \u0111i\u1ec7n. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a UPS Online \/ double-conversion c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 UPS\/ offline hay line-interactive nh\u01b0ng ph\u1ee9c t\u1ea1p h\u01a1n nhi\u1ec1u v\u00ec \u0111\u00f2i h\u1ecfi s\u1ef1 h\u1ed7 tr\u1ee3 v\u00e0 l\u00e0m vi\u1ec7c li\u00ean t\u1ee5c c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 ngu\u1ed3n s\u1ea1c (charger), \u1eaec quy, m\u00e1y n\u1eafn Rectifier v\u00e0 m\u00e1y bi\u1ebfn t\u1ea7n Inverter. N\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i k\u00e9p v\u00ec qu\u00e1 tr\u00ecnh n\u00e0y th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n \u0111i\u1ec7n hai l\u1ea7n. \u0110\u1ea7u ti\u00ean, Rectifier (b\u1ed9 ch\u1ec9nh l\u01b0u) \u0111\u1ea7u v\u00e0o s\u1ebd chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n t\u1eeb d\u00f2ng AC sang DC v\u00e0 \u0111\u01b0a ch\u00fang v\u00e0o Inverter (b\u1ed9 bi\u1ebfn t\u1ea7n). B\u1ed9 bi\u1ebfn t\u1ea7n ti\u1ebfp t\u1ee5c chuy\u1ec3n ngu\u1ed3n \u0111i\u1ec7n t\u1eeb DC tr\u1edf l\u1ea1i AC tr\u01b0\u1edbc khi \u0111\u01b0a n\u00f3 \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n. Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i k\u00e9p n\u00e0y gi\u00fap c\u00e1ch ly t\u1ea3i ho\u00e0n to\u00e0n kh\u1ecfi \u0111i\u1ec7n l\u01b0\u1edbi, \u0111\u1ea3m b\u1ea3o c\u00e1c thi\u1ebft b\u1ecb ch\u1ec9 ti\u1ebfp nh\u1eadn ngu\u1ed3n \u0111i\u1ec7n an to\u00e0n t\u1eeb UPS.<\/span><\/p>\n

Trong \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, m\u1ed9t UPS chuy\u1ec3n \u0111\u1ed5i k\u00e9p li\u00ean t\u1ee5c x\u1eed l\u00fd \u0111i\u1ec7n hai l\u1ea7n. N\u1ebfu ngu\u1ed3n cung c\u1ea5p \u0111\u1ea7u v\u00e0o AC v\u01b0\u1ee3t ra kh\u1ecfi gi\u1edbi h\u1ea1n x\u00e1c \u0111\u1ecbnh, UPS s\u1ebd th\u00f4ng qua b\u1ed9 bi\u1ebfn t\u1ea7n (inverter) chuy\u1ec3n sang s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n t\u1eeb \u1eaec quy\/ b\u1ed9 pin. UPS s\u1ebd s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n t\u1eeb \u1eaec quy\/ b\u1ed9 pin \u0111\u1ebfn khi ngu\u1ed3n \u0111\u1ea7u v\u00e0o AC tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng ho\u1eb7c \u0111\u1ebfn khi h\u1ebft n\u0103ng l\u01b0\u1ee3ng. Trong tr\u01b0\u1eddng h\u1ee3p bi\u1ebfn t\u1ea7n g\u1eb7p t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i nghi\u00eam tr\u1ecdng, ho\u1eb7c ch\u1ec9nh l\u01b0u hay bi\u1ebfn t\u1ea7n b\u1ecb tr\u1ee5c tr\u1eb7c, switch chuy\u1ec3n \u0111\u1ed5i t\u0129nh s\u1ebd \u0111\u01b0\u1ee3c b\u1eadt l\u00ean nhanh ch\u00f3ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 t\u1ea3i AC \u0111\u1ea7u ra.<\/span><\/p>\n

\"\"<\/span><\/p>\n

Trong h\u1ec7 th\u1ed1ng UPS Online Double Conversion VFI, \u1eaec quy ph\u1ea3i lu\u00f4n lu\u00f4n k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 bi\u1ebfn t\u1ea7n do \u0111\u00f3 kh\u00f4ng c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng kh\u00f3a chuy\u1ec3n m\u1ea1ch. Khi ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh b\u1ecb ng\u1eaft \u0111\u1ed9t ng\u1ed9t, Rectifier s\u1ebd \u0111\u01b0\u1ee3c ng\u1eaft ra kh\u1ecfi m\u1ea1ch \u0111\u1ec3 cho \u1eafc quy ti\u1ebfp t\u1ee5c duy tr\u00ec ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u0111\u1ec9nh cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n. Sau khi c\u00f3 \u0111i\u1ec7n tr\u1edf l\u1ea1i, Rectifier s\u1ebd ti\u1ebfp t\u1ee5c c\u1ea5p ngu\u1ed3n cho t\u1ea3i v\u00e0 ti\u1ebfn h\u00e0nh n\u1ea1p n\u0103ng l\u01b0\u1ee3ng cho \u1eafc quy, m\u1eb7c d\u00f9 vi\u1ec7c n\u1ea1p n\u0103ng l\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 b\u1ecb h\u1ea1n ch\u1ebf \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng c\u00f4ng su\u1ea5t trong Rectifier t\u0103ng cao do \u1eaec quy qu\u00e1 n\u00f3ng ho\u1eb7c do qu\u00e1 tr\u00ecnh \u0111\u1ed1t n\u00f3ng ch\u1ea5t \u0111i\u1ec7n ph\u00e2n c\u00f3 trong \u1eafc quy.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

M\u00e1y n\u1eafn Rectifier l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (AC) sang d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC). Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 qu\u00e1 tr\u00ecnh qu\u00e1 tr\u00ecnh ch\u1ec9nh l\u01b0u. V\u1ec1 c\u01a1 b\u1ea3n, qu\u00e1 tr\u00ecnh ch\u1ec9nh l\u01b0u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua m\u1ed9t linh ki\u1ec7n nh\u01b0 \u0111i\u1ed1t \u1ed1ng ch\u00e2n kh\u00f4ng, van h\u1ed3 […]<\/p>","protected":false},"author":3,"featured_media":3201,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"footnotes":""},"categories":[16,7],"tags":[],"class_list":["post-1248","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-tin-tuc-su-kien"],"acf":[],"_links":{"self":[{"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/posts\/1248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/comments?post=1248"}],"version-history":[{"count":1,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/posts\/1248\/revisions"}],"predecessor-version":[{"id":5720,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/posts\/1248\/revisions\/5720"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/media\/3201"}],"wp:attachment":[{"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/media?parent=1248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/categories?post=1248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/tags?post=1248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}