{"id":21351,"date":"2026-01-19T01:55:12","date_gmt":"2026-01-18T17:55:12","guid":{"rendered":"https:\/\/viox.com\/?p=21351"},"modified":"2026-01-19T01:56:55","modified_gmt":"2026-01-18T17:56:55","slug":"open-vs-closed-transition-ats-selection-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/open-vs-closed-transition-ats-selection-guide\/","title":{"rendered":"ATS chuy\u1ec3n m\u1ea1ch h\u1edf so v\u1edbi ATS chuy\u1ec3n m\u1ea1ch k\u00edn: B\u1ea1n c\u1ea7n lo\u1ea1i n\u00e0o?"},"content":{"rendered":"<div class=\"product-intro\">\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/A-VIOX-automatic-transfer-switch-installed-in-an-industrial-electrical-control-panel.webp\" alt=\"A VIOX automatic transfer switch installed in an industrial electrical control panel\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 1: M\u1ed9t VIOX <a href=\"https:\/\/test.viox.com\/vi\/ats\/\">c\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch t\u1ef1 \u0111\u1ed9ng<\/a> \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong t\u1ee7 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p.<\/figcaption><\/figure>\n<p>Trong th\u1ebf gi\u1edbi c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng, h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 \u0111\u1eb7c t\u1ea3 \u0111\u1ec1u \u00e1m \u1ea3nh v\u1ec1 \u0111\u1ecbnh m\u1ee9c ampe ho\u1eb7c c\u00e1c lo\u1ea1i v\u1ecf b\u1ecdc. Tuy nhi\u00ean, y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t quy\u1ebft \u0111\u1ecbnh xem c\u01a1 s\u1edf c\u1ee7a b\u1ea1n c\u00f3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i li\u1ec1n m\u1ea1ch hay kh\u1edfi \u0111\u1ed9ng l\u1ea1i g\u00e2y gi\u00e1n \u0111o\u1ea1n n\u1eb1m \u1edf logic chuy\u1ec3n m\u1ea1ch: Chuy\u1ec3n \u0111\u1ed5i h\u1edf so v\u1edbi Chuy\u1ec3n \u0111\u1ed5i k\u00edn.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ch\u1ebf t\u1ea1o t\u1ee7 \u0111i\u1ec7n v\u00e0 qu\u1ea3n l\u00fd c\u01a1 s\u1edf, vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa <strong>\u201cNg\u1eaft tr\u01b0\u1edbc khi k\u1ebft n\u1ed1i\u201d<\/strong> v\u00e0 <strong>\u201cK\u1ebft n\u1ed1i tr\u01b0\u1edbc khi ng\u1eaft\u201d<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ec1 thu\u1eadt ng\u1eef\u2014m\u00e0 c\u00f2n l\u00e0 v\u1ec1 vi\u1ec7c ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 an to\u00e0n v\u00e0 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed d\u1ef1 \u00e1n.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y ph\u00e2n t\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, r\u1ee7i ro v\u1eadn h\u00e0nh v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng l\u00fd t\u01b0\u1edfng cho c\u1ea3 hai lo\u1ea1i chuy\u1ec3n \u0111\u1ed5i \u0111\u1ec3 gi\u00fap b\u1ea1n ch\u1ec9 \u0111\u1ecbnh \u0111\u00fang <a href=\"https:\/\/test.viox.com\/vi\/stop-backup-power-failure-the-engineers-3-step-guide-to-automatic-transfer-switch-selection\/\">C\u00f4ng t\u1eafc chuy\u1ec3n \u0111\u1ed5i t\u1ef1 \u0111\u1ed9ng (ATS)<\/a> ho\u00e0n h\u1ea3o cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n<h2>Chuy\u1ec3n \u0111\u1ed5i h\u1edf l\u00e0 g\u00ec? (Ng\u1eaft tr\u01b0\u1edbc khi k\u1ebft n\u1ed1i)<\/h2>\n<p>Chuy\u1ec3n \u0111\u1ed5i h\u1edf l\u00e0 ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p cho h\u01a1n 90% \u1ee9ng d\u1ee5ng ATS. Nh\u01b0 t\u00ean g\u1ecdi, logic n\u00e0y m\u1edf k\u1ebft n\u1ed1i v\u1eadt l\u00fd v\u1edbi ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh tr\u01b0\u1edbc khi \u0111\u00f3ng k\u1ebft n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng.<\/p>\n<p>V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, \u0111\u00e2y l\u00e0 m\u1ed9t <strong>\u201cNg\u1eaft tr\u01b0\u1edbc khi k\u1ebft n\u1ed1i\u201d<\/strong> tr\u00ecnh t\u1ef1. C\u00f3 m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3\u2014\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cv\u00f9ng ch\u1ebft\u201d ho\u1eb7c \u201cth\u1eddi gian t\u1eaft\u201d\u2014n\u01a1i t\u1ea3i b\u1ecb ng\u1eaft kh\u1ecfi c\u1ea3 hai ngu\u1ed3n. Trong kho\u1ea3ng th\u1eddi gian n\u00e0y, t\u1ea3i s\u1ebd b\u1ecb m\u1ea5t \u0111i\u1ec7n t\u1ea1m th\u1eddi.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Technical-schematic-of-open-transition-break-before-make-switching-logic-showing-the-disconnection-gap.webp\" alt=\"Technical schematic of open transition break-before-make switching logic showing the disconnection gap\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 2: S\u01a1 \u0111\u1ed3 k\u1ef9 thu\u1eadt v\u1ec1 logic chuy\u1ec3n m\u1ea1ch ng\u1eaft tr\u01b0\u1edbc khi k\u1ebft n\u1ed1i c\u1ee7a chuy\u1ec3n \u0111\u1ed5i h\u1edf cho th\u1ea5y kho\u1ea3ng ng\u1eaft k\u1ebft n\u1ed1i.<\/figcaption><\/figure>\n<p>M\u1eb7c d\u00f9 \u201cm\u1ea5t \u0111i\u1ec7n\u201d nghe c\u00f3 v\u1ebb ti\u00eau c\u1ef1c, nh\u01b0ng Chuy\u1ec3n \u0111\u1ed5i h\u1edf th\u1ef1c s\u1ef1 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n v\u00e0 m\u1ea1nh m\u1ebd nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng chung v\u00ec n\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ngu\u1ed3n c\u1ea5p t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 ngu\u1ed3n c\u1ea5p t\u1eeb m\u00e1y ph\u00e1t \u0111i\u1ec7n kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf nguy c\u01a1 c\u1ea5p ng\u01b0\u1ee3c ho\u1eb7c \u0111o\u1ea3n m\u1ea1ch m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ed3ng b\u1ed9 h\u00f3a ph\u1ee9c t\u1ea1p.<\/p>\n<p>Chuy\u1ec3n \u0111\u1ed5i h\u1edf th\u01b0\u1eddng c\u00f3 hai bi\u1ebfn th\u1ec3 t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i t\u1ea3i c\u1ee7a b\u1ea1n:<\/p>\n<h3>1. Chuy\u1ec3n \u0111\u1ed5i h\u1edf ti\u00eau chu\u1ea9n (\u0110\u1ed3ng pha)<\/h3>\n<p>\u0110\u00e2y l\u00e0 c\u1ea5u h\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n ATS theo d\u00f5i g\u00f3c pha c\u1ee7a c\u1ea3 hai ngu\u1ed3n. Khi m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00e1c pha \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh g\u1ea7n \u0111\u00fang, c\u00f4ng t\u1eafc s\u1ebd chuy\u1ec3n nhanh ch\u00f3ng t\u1eeb Ngu\u1ed3n A sang Ngu\u1ed3n B.<\/p>\n<ul>\n<li><strong>Th\u1eddi l\u01b0\u1ee3ng:<\/strong> S\u1ef1 gi\u00e1n \u0111o\u1ea1n th\u01b0\u1eddng k\u00e9o d\u00e0i d\u01b0\u1edbi 100 mili gi\u00e2y (t\u00f9y thu\u1ed9c v\u00e0o <a href=\"https:\/\/test.viox.com\/vi\/pc-class-vs-cb-class-ats-selection-guide\/\">c\u1ea5u tr\u00fac c\u01a1 h\u1ecdc c\u1ee7a ATS nh\u01b0 Class PC so v\u1edbi Class CB<\/a>).<\/li>\n<li><strong>T\u1ed1t nh\u1ea5t cho:<\/strong> T\u1ea3i \u0111i\u1ec7n tr\u1edf nh\u01b0 chi\u1ebfu s\u00e1ng, s\u01b0\u1edfi \u1ea5m v\u00e0 c\u00e1c m\u1ea1ch v\u0103n ph\u00f2ng chung, n\u01a1i c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea5p nh\u00e1y \u0111\u00e8n.<\/li>\n<\/ul>\n<h3>2. Chuy\u1ec3n \u0111\u1ed5i h\u1edf tr\u1ec5 (Chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh)<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p li\u00ean quan \u0111\u1ebfn \u0111\u1ed9ng c\u01a1 l\u1edbn (m\u00e1y b\u01a1m, qu\u1ea1t, m\u00e1y n\u00e9n), vi\u1ec7c chuy\u1ec3n m\u1ea1ch nhanh ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m. Khi m\u1ed9t \u0111\u1ed9ng c\u01a1 \u0111ang quay b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i, n\u00f3 s\u1ebd t\u1ea1o ra \u0111i\u1ec7n \u00e1p d\u01b0 (Back EMF). N\u1ebfu ATS k\u1ebft n\u1ed1i l\u1ea1i \u0111\u1ed9ng c\u01a1 v\u1edbi ngu\u1ed3n \u0111i\u1ec7n m\u1edbi qu\u00e1 nhanh khi n\u00f3 l\u1ec7ch pha, th\u00ec c\u00fa s\u1ed1c m\u00f4-men xo\u1eafn k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 l\u00e0m g\u00e3y tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng ho\u1eb7c l\u00e0m t\u01b0\u1edbc b\u00e1nh r\u0103ng.<\/p>\n<p>Chuy\u1ec3n \u0111\u1ed5i h\u1edf tr\u1ec5 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch \u0111\u01b0a v\u00e0o m\u1ed9t kho\u1ea3ng d\u1eebng c\u00f3 ch\u1ee7 \u00fd (th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1eeb v\u00e0i gi\u00e2y \u0111\u1ebfn v\u00e0i ph\u00fat) \u1edf v\u1ecb tr\u00ed \u201cT\u1eaft\u201d (trung t\u00ednh).<\/p>\n<ul>\n<li><strong>Logic:<\/strong> Ng\u1eaft k\u1ebft n\u1ed1i Ngu\u1ed3n A \u2192 Ch\u1edd \u1edf v\u1ecb tr\u00ed Trung t\u00ednh (cho ph\u00e9p t\u1eeb tr\u01b0\u1eddng \u0111\u1ed9ng c\u01a1 suy gi\u1ea3m) \u2192 K\u1ebft n\u1ed1i Ngu\u1ed3n B.<\/li>\n<li><strong>T\u1ed1t nh\u1ea5t cho:<\/strong> H\u1ec7 th\u1ed1ng HVAC, nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n<h2>Chuy\u1ec3n \u0111\u1ed5i k\u00edn l\u00e0 g\u00ec? (K\u1ebft n\u1ed1i tr\u01b0\u1edbc khi ng\u1eaft)<\/h2>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u01a1 s\u1edf quan tr\u1ecdng, n\u01a1i ngay c\u1ea3 m\u1ed9t l\u1ea7n nh\u1ea5p nh\u00e1y \u0111i\u1ec7n 20 mili gi\u00e2y c\u0169ng kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, Chuy\u1ec3n \u0111\u1ed5i k\u00edn l\u00e0 gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn. Kh\u00f4ng gi\u1ed1ng nh\u01b0 Chuy\u1ec3n \u0111\u1ed5i h\u1edf, logic Chuy\u1ec3n \u0111\u1ed5i k\u00edn s\u1eed d\u1ee5ng m\u1ed9t <strong>\u201cK\u1ebft n\u1ed1i tr\u01b0\u1edbc khi ng\u1eaft\u201d<\/strong> tr\u00ecnh t\u1ef1.<\/p>\n<p>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n ATS \u0111\u1ed3ng b\u1ed9 h\u00f3a m\u00e1y ph\u00e1t \u0111i\u1ec7n d\u1ef1 ph\u00f2ng v\u1edbi l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 k\u1ebft n\u1ed1i song song c\u1ea3 hai ngu\u1ed3n trong gi\u00e2y l\u00e1t tr\u01b0\u1edbc khi ng\u1eaft k\u1ebft n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Closed-transition-make-before-break-diagram-showing-momentary-parallel-connection-of-two-power-sources.webp\" alt=\"Closed transition make-before-break diagram showing momentary parallel connection of two power sources\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 3: S\u01a1 \u0111\u1ed3 k\u1ebft n\u1ed1i tr\u01b0\u1edbc khi ng\u1eaft c\u1ee7a chuy\u1ec3n \u0111\u1ed5i k\u00edn cho th\u1ea5y k\u1ebft n\u1ed1i song song t\u1ea1m th\u1eddi c\u1ee7a hai ngu\u1ed3n \u0111i\u1ec7n.<\/figcaption><\/figure>\n<h3>C\u01a1 ch\u1ebf \u201cKh\u00f4ng gi\u00e1n \u0111o\u1ea1n\u201d<\/h3>\n<p>Trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i, c\u00f3 m\u1ed9t s\u1ef1 ch\u1ed3ng ch\u00e9o ng\u1eafn (th\u01b0\u1eddng d\u01b0\u1edbi 100 mili gi\u00e2y) trong \u0111\u00f3 t\u1ea3i \u0111i\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p \u0111\u1ed3ng th\u1eddi b\u1edfi c\u1ea3 l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n. V\u00ec m\u1ea1ch kh\u00f4ng bao gi\u1edd b\u1ecb ng\u1eaft, n\u00ean t\u1ea3i h\u1ea1 ngu\u1ed3n th\u1ea5y <strong>kh\u00f4ng gi\u00e1n \u0111o\u1ea1n<\/strong>. \u0110\u00e8n kh\u00f4ng nh\u1ea5p nh\u00e1y v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf ho\u1eb7c CNTT nh\u1ea1y c\u1ea3m ti\u1ebfp t\u1ee5c ch\u1ea1y m\u00e0 kh\u00f4ng c\u1ea7n UPS h\u1ed7 tr\u1ee3.<\/p>\n<h3>Vai tr\u00f2 quan tr\u1ecdng c\u1ee7a \u0111\u1ed3ng b\u1ed9 h\u00f3a<\/h3>\n<p>Chuy\u1ec3n \u0111\u1ed5i k\u00edn kh\u00f4ng \u0111\u01a1n gi\u1ea3n ch\u1ec9 l\u00e0 \u0111\u00f3ng hai c\u00f4ng t\u1eafc. N\u1ebfu b\u1ea1n k\u1ebft n\u1ed1i hai ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed3ng b\u1ed9, k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 g\u00e2y ra thi\u1ec7t h\u1ea1i nghi\u00eam tr\u1ecdng cho m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft. Tr\u01b0\u1edbc khi ATS \u201cK\u1ebft n\u1ed1i\u201d, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ph\u1ea3i ch\u1ee7 \u0111\u1ed9ng theo d\u00f5i v\u00e0 kh\u1edbp ba th\u00f4ng s\u1ed1 gi\u1eefa L\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 M\u00e1y ph\u00e1t \u0111i\u1ec7n:<\/p>\n<ul>\n<li><strong>Ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p:<\/strong> Ph\u1ea3i n\u1eb1m trong kho\u1ea3ng \u00b15%.<\/li>\n<li><strong>Ch\u00eanh l\u1ec7ch t\u1ea7n s\u1ed1:<\/strong> Ph\u1ea3i n\u1eb1m trong kho\u1ea3ng \u00b10,2 Hz.<\/li>\n<li><strong>G\u00f3c pha:<\/strong> Ph\u1ea3i n\u1eb1m trong kho\u1ea3ng \u00b15 \u0111\u1ed9 \u0111i\u1ec7n.<\/li>\n<\/ul>\n<h3>T\u1ea1i sao \u0111\u1ecbnh m\u1ee9c d\u00f2ng ng\u1eafn m\u1ea1ch l\u1ea1i quan tr\u1ecdng<\/h3>\n<p>Trong kho\u1ea3nh kh\u1eafc ng\u1eafn ng\u1ee7i khi c\u1ea3 hai ngu\u1ed3n \u0111\u01b0\u1ee3c m\u1eafc song song, d\u00f2ng ng\u1eafn m\u1ea1ch ti\u1ec1m n\u0103ng s\u1ebd t\u0103ng g\u1ea5p \u0111\u00f4i (D\u00f2ng \u0111i\u1ec7n l\u01b0\u1edbi + D\u00f2ng \u0111i\u1ec7n m\u00e1y ph\u00e1t \u0111i\u1ec7n). Do \u0111\u00f3, ATS v\u00e0 b\u1ea3o v\u1ec7 h\u1ea1 ngu\u1ed3n ph\u1ea3i c\u00f3 \u0111\u1ee7 <a href=\"https:\/\/test.viox.com\/vi\/what-is-sccr\/\"><strong>SCCR (\u0110\u1ecbnh m\u1ee9c d\u00f2ng ng\u1eafn m\u1ea1ch)<\/strong><\/a> \u0111\u1ec3 x\u1eed l\u00fd s\u1ef1 b\u00f9ng n\u1ed5 n\u0103ng l\u01b0\u1ee3ng ti\u1ec1m n\u0103ng n\u00e0y.<\/p>\n<h2>So s\u00e1nh song song: Chuy\u1ec3n \u0111\u1ed5i h\u1edf so v\u1edbi Chuy\u1ec3n \u0111\u1ed5i k\u00edn<\/h2>\n<p>\u0110\u1ec3 gi\u00fap b\u1ea1n quy\u1ebft \u0111\u1ecbnh logic n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi s\u01a1 \u0111\u1ed3 m\u1ed9t \u0111\u01b0\u1eddng c\u1ee7a m\u00ecnh, \u0111\u00e2y l\u00e0 so s\u00e1nh tr\u1ef1c ti\u1ebfp v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Sine-wave-comparison-graph-showing-the-power-gap-in-open-transition-versus-the-continuous-wave-in-closed-transition.webp\" alt=\"Sine wave comparison graph showing the power gap in open transition versus the continuous wave in closed transition\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 4: \u0110\u1ed3 th\u1ecb so s\u00e1nh s\u00f3ng sin cho th\u1ea5y kho\u1ea3ng tr\u1ed1ng n\u0103ng l\u01b0\u1ee3ng trong chuy\u1ec3n \u0111\u1ed5i h\u1edf so v\u1edbi s\u00f3ng li\u00ean t\u1ee5c trong chuy\u1ec3n \u0111\u1ed5i k\u00edn.<\/figcaption><\/figure>\n<table style=\"border-collapse: collapse; width: 100%; margin: 20px 0;\" border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>N\u0103ng<\/th>\n<th>Chuy\u1ec3n ti\u1ebfp m\u1edf (Ng\u1eaft tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n)<\/th>\n<th>Chuy\u1ec3n \u0111\u1ed5i \u0111\u00f3ng (T\u1ea1o tr\u01b0\u1edbc khi ph\u00e1 v\u1ee1)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Tr\u00ecnh t\u1ef1 chuy\u1ec3n m\u1ea1ch<\/strong><\/td>\n<td>Ng\u1eaft Ngu\u1ed3n A \u2192 Ch\u1edd \u2192 K\u1ebft n\u1ed1i Ngu\u1ed3n B<\/td>\n<td>K\u1ebft n\u1ed1i Ngu\u1ed3n B (Song song) \u2192 Ng\u1eaft Ngu\u1ed3n A<\/td>\n<\/tr>\n<tr>\n<td><strong>Gi\u00e1n \u0111o\u1ea1n ngu\u1ed3n \u0111i\u1ec7n<\/strong><\/td>\n<td>C\u00f3 (Kho\u1ea3ng 30ms \u2013 100ms)<\/td>\n<td>Kh\u00f4ng (0ms)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed3ng b\u1ed9 h\u00f3a<\/strong><\/td>\n<td>Kh\u00f4ng b\u1eaft bu\u1ed9c (T\u00f9y ch\u1ecdn gi\u00e1m s\u00e1t \u0111\u1ed3ng pha)<\/td>\n<td>B\u1eaft bu\u1ed9c (Ki\u1ec3m tra \u0111\u1ed3ng b\u1ed9 h\u00f3a ch\u1ee7 \u0111\u1ed9ng)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u00ea duy\u1ec7t c\u1ee7a ti\u1ec7n \u00edch<\/strong><\/td>\n<td>Th\u01b0\u1eddng kh\u00f4ng b\u1eaft bu\u1ed9c<\/td>\n<td>B\u1eaft bu\u1ed9c nghi\u00eam ng\u1eb7t<\/td>\n<\/tr>\n<tr>\n<td><strong>Chi ph\u00ed thi\u1ebft b\u1ecb<\/strong><\/td>\n<td>Th\u1ea5p \/ Ti\u00eau chu\u1ea9n<\/td>\n<td>Cao (Cao h\u01a1n 30% \u2013 50%)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/td>\n<td>Th\u1ea5p (C\u1eafm v\u00e0 ch\u1ea1y)<\/td>\n<td>Cao (Y\u00eau c\u1ea7u ch\u1ea1y th\u1eed)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ebf \u0111\u1ed9 l\u1ed7i an to\u00e0n<\/strong><\/td>\n<td>Kh\u00f4ng chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1ee3c<\/td>\n<td>Tr\u1edf v\u1ec1 Chuy\u1ec3n M\u1ea1ch H\u1edf<\/td>\n<\/tr>\n<tr>\n<td><strong>L\u00fd T\u01b0\u1edfng Cho<\/strong><\/td>\n<td>\u0110\u1ed9ng C\u01a1 D\u00e2n D\u1ee5ng, Th\u01b0\u01a1ng M\u1ea1i, C\u00f4ng Nghi\u1ec7p<\/td>\n<td>B\u1ec7nh Vi\u1ec7n, Trung T\u00e2m D\u1eef Li\u1ec7u, M\u00e1y Ph\u00e1t \u0110i\u1ec7n T\u01b0\u01a1ng T\u00e1c L\u01b0\u1edbi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>H\u01b0\u1edbng D\u1eabn L\u1ef1a Ch\u1ecdn: Ch\u1ecdn Logic Ph\u00f9 H\u1ee3p Cho \u1ee8ng D\u1ee5ng C\u1ee7a B\u1ea1n<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa chuy\u1ec3n m\u1ea1ch h\u1edf v\u00e0 chuy\u1ec3n m\u1ea1ch k\u00edn kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 ng\u00e2n s\u00e1ch; m\u00e0 l\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p gi\u1eefa kh\u1ea3 n\u0103ng c\u1ee7a c\u00f4ng t\u1eafc v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a t\u1ea3i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t khung quy\u1ebft \u0111\u1ecbnh nhanh:<\/p>\n<h3>1. D\u00e2n D\u1ee5ng &amp; Th\u01b0\u01a1ng M\u1ea1i Nh\u1eb9 \u2192 Ch\u1ecdn Chuy\u1ec3n M\u1ea1ch H\u1edf<\/h3>\n<p>\u0110\u1ed1i v\u1edbi nh\u00e0 \u1edf, v\u0103n ph\u00f2ng nh\u1ecf v\u00e0 c\u1eeda h\u00e0ng b\u00e1n l\u1ebb, chi ph\u00ed c\u1ee7a Chuy\u1ec3n M\u1ea1ch K\u00edn (v\u00e0 s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a th\u1ee7 t\u1ee5c gi\u1ea5y t\u1edd v\u1edbi ti\u1ec7n \u00edch) hi\u1ebfm khi \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 h\u1ee3p l\u00fd. M\u1ed9t s\u1ef1 nh\u1ea5p nh\u00e1y \u0111i\u1ec7n trong 1 gi\u00e2y khi m\u00e1y ph\u00e1t \u0111i\u1ec7n ti\u1ebfp qu\u1ea3n l\u00e0 m\u1ed9t s\u1ef1 b\u1ea5t ti\u1ec7n nh\u1ecf, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t l\u1ed7i nghi\u00eam tr\u1ecdng.<\/p>\n<h3>2. S\u1ea3n Xu\u1ea5t C\u00f4ng Nghi\u1ec7p \u2192 Ch\u1ecdn Chuy\u1ec3n M\u1ea1ch H\u1edf Tr\u1ec5<\/h3>\n<p>N\u1ebfu c\u01a1 s\u1edf c\u1ee7a b\u1ea1n v\u1eadn h\u00e0nh c\u00e1c t\u1ea3i c\u1ea3m \u1ee9ng l\u1edbn nh\u01b0 m\u00e1y b\u01a1m, m\u00e1y l\u00e0m l\u1ea1nh ho\u1eb7c b\u0103ng t\u1ea3i, vi\u1ec7c chuy\u1ec3n m\u1ea1ch nhanh ti\u00eau chu\u1ea9n l\u00e0 nguy hi\u1ec3m. B\u1ea1n kh\u00f4ng nh\u1ea5t thi\u1ebft c\u1ea7n Chuy\u1ec3n M\u1ea1ch K\u00edn. Thay v\u00e0o \u0111\u00f3, h\u00e3y ch\u1ec9 \u0111\u1ecbnh ATS Chuy\u1ec3n M\u1ea1ch H\u1edf v\u1edbi <strong>\u0111\u1ed9 tr\u1ec5 t\u1eaft trung t\u00e2m c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh<\/strong> (\u0110\u1ed9 tr\u1ec5 v\u1ecb tr\u00ed trung t\u00ednh) \u0111\u1ec3 cho ph\u00e9p \u0111\u1ed9ng c\u01a1 d\u1eebng m\u1ed9t c\u00e1ch an to\u00e0n.<\/p>\n<h3>3. Ch\u0103m S\u00f3c S\u1ee9c Kh\u1ecfe &amp; Trung T\u00e2m D\u1eef Li\u1ec7u \u2192 Ch\u1ecdn Chuy\u1ec3n M\u1ea1ch K\u00edn<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u C\u1ea5p 3\/4, ph\u00f2ng m\u1ed5 ho\u1eb7c \u0111\u01a1n v\u1ecb ch\u0103m s\u00f3c \u0111\u1eb7c bi\u1ec7t, ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n l\u00e0 t\u1ed1i quan tr\u1ecdng. M\u1eb7c d\u00f9 h\u1ec7 th\u1ed1ng UPS x\u1eed l\u00fd kho\u1ea3ng tr\u1ed1ng, nh\u01b0ng kh\u1ea3 n\u0103ng ki\u1ec3m tra m\u00e1y ph\u00e1t \u0111i\u1ec7n d\u01b0\u1edbi t\u1ea3i m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 r\u1ee7i ro gi\u00e1n \u0111o\u1ea1n n\u00e0o l\u00e0m cho Chuy\u1ec3n M\u1ea1ch K\u00edn tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n v\u00e0ng.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/A-VIOX-floor-standing-automatic-transfer-switch-protecting-critical-power-systems-in-a-hospital-environment.webp\" alt=\"A VIOX floor-standing automatic transfer switch protecting critical power systems in a hospital environment\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 5: M\u1ed9t c\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch t\u1ef1 \u0111\u1ed9ng VIOX \u0111\u1eb7t tr\u00ean s\u00e0n b\u1ea3o v\u1ec7 c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n quan tr\u1ecdng trong m\u00f4i tr\u01b0\u1eddng b\u1ec7nh vi\u1ec7n.<\/figcaption><\/figure>\n<blockquote><p><strong>L\u01b0u \u00fd c\u1ee7a K\u1ef9 s\u01b0:<\/strong> \u0110\u1eebng nh\u1ea7m l\u1eabn Chuy\u1ec3n M\u1ea1ch K\u00edn v\u1edbi C\u00f4ng T\u1eafc Chuy\u1ec3n M\u1ea1ch T\u0129nh (STS). M\u1eb7c d\u00f9 Chuy\u1ec3n M\u1ea1ch K\u00edn l\u00e0 li\u1ec1n m\u1ea1ch, nh\u01b0ng n\u00f3 v\u1eabn l\u00e0 m\u1ed9t quy tr\u00ecnh chuy\u1ec3n m\u1ea1ch c\u01a1 h\u1ecdc. \u0110\u1ed1i v\u1edbi c\u00e1c t\u1ea3i CNTT c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m, kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u1ef1ng ngay c\u1ea3 c\u00e1c rung \u0111\u1ed9ng vi m\u00f4 c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng ti\u1ebfp x\u00fac c\u01a1 h\u1ecdc, b\u1ea1n n\u00ean xem x\u00e9t C\u00f4ng T\u1eafc Chuy\u1ec3n M\u1ea1ch T\u0129nh. \u0110\u1ecdc so s\u00e1nh chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 ATS so v\u1edbi STS t\u1ea1i \u0111\u00e2y.<\/p><\/blockquote>\n<h2>C\u1ea5u Tr\u00fac C\u01a1 H\u1ecdc Quan Tr\u1ecdng: Logic so v\u1edbi Ph\u1ea7n C\u1ee9ng<\/h2>\n<p>\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n nh\u1edb l\u00e0 chuy\u1ec3n m\u1ea1ch \u201cH\u1edf\u201d ho\u1eb7c \u201cK\u00edn\u201d ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn tr\u00ecnh t\u1ef1 ho\u1ea1t \u0111\u1ed9ng (logic ph\u1ea7n m\u1ec1m). B\u1ea1n v\u1eabn c\u1ea7n ch\u1ecdn ph\u1ea7n c\u1ee9ng c\u01a1 h\u1ecdc ph\u00f9 h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n tr\u00ecnh t\u1ef1 \u0111\u00f3. ATS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng hai lo\u1ea1i c\u01a1 h\u1ecdc ch\u00ednh:<\/p>\n<ul>\n<li><strong>Lo\u1ea1i PC (Solenoid\/M\u1ed9t m\u1ea3nh):<\/strong> \u0110\u1ed9 b\u1ec1n cao, chuy\u1ec3n m\u1ea1ch nhanh h\u01a1n, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ho\u00e0n to\u00e0n \u0111\u1ec3 chuy\u1ec3n m\u1ea1ch.<\/li>\n<li><strong>Lo\u1ea1i CB (D\u1ef1a tr\u00ean B\u1ed9 Ng\u1eaft M\u1ea1ch):<\/strong> Bao g\u1ed3m b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng nh\u01b0ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u01a1 ch\u1ebf chuy\u1ec3n m\u1ea1ch.<\/li>\n<\/ul>\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng ch\u1eafc ch\u1eafn c\u1ea5u tr\u00fac c\u01a1 h\u1ecdc n\u00e0o h\u1ed7 tr\u1ee3 logic chuy\u1ec3n m\u1ea1ch c\u1ea7n thi\u1ebft c\u1ee7a b\u1ea1n, b\u1ea1n n\u00ean xem x\u00e9t c\u00e1c kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n v\u1ec1 ph\u1ea7n c\u1ee9ng tr\u01b0\u1edbc: <em>\u0110\u1ecdc H\u01b0\u1edbng D\u1eabn: <a href=\"https:\/\/test.viox.com\/vi\/pc-class-vs-cb-class-ats-selection-guide\/\">H\u01b0\u1edbng D\u1eabn L\u1ef1a Ch\u1ecdn ATS Lo\u1ea1i PC so v\u1edbi Lo\u1ea1i CB<\/a><\/em>.<\/p>\n<h2>T\u1ea1i Sao Gi\u1ea3i Ph\u00e1p ATS VIOX \u0110\u1ea3m B\u1ea3o Chuy\u1ec3n M\u1ea1ch \u0110\u00e1ng Tin C\u1eady<\/h2>\n<p>Cho d\u00f9 b\u1ea1n ch\u1ecdn chuy\u1ec3n m\u1ea1ch h\u1edf hay k\u00edn, th\u1eddi \u0111i\u1ec3m chuy\u1ec3n m\u1ea1ch v\u1eadt l\u00fd t\u1ea1o ra \u1ee9ng su\u1ea5t tr\u00ean c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n. T\u1ea1i VIOX, ch\u00fang t\u00f4i thi\u1ebft k\u1ebf C\u00f4ng T\u1eafc Chuy\u1ec3n M\u1ea1ch T\u1ef1 \u0110\u1ed9ng c\u1ee7a m\u00ecnh \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i chuy\u1ec3n m\u1ea1ch \u1ee9ng su\u1ea5t cao (AC-33A\/B):<\/p>\n<ul>\n<li><strong>Ti\u1ebfp \u0110i\u1ec3m H\u1ee3p Kim B\u1ea1c:<\/strong> Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u00e1c ti\u1ebfp \u0111i\u1ec3m b\u1ea1c cao c\u1ea5p \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac v\u00e0 ng\u0103n ng\u1eeba h\u00e0n trong qu\u00e1 tr\u00ecnh chuy\u1ec3n d\u00f2ng \u0111i\u1ec7n cao.<\/li>\n<li><strong>D\u1eadp H\u1ed3 Quang Ti\u00ean Ti\u1ebfn:<\/strong> \u1ed0ng d\u1eadp h\u1ed3 quang c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u00e0m m\u00e1t v\u00e0 ti\u00eau t\u00e1n nhanh ch\u00f3ng h\u1ed3 quang \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh \u201cng\u1eaft\u201d Chuy\u1ec3n M\u1ea1ch H\u1edf, k\u00e9o d\u00e0i \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd c\u1ee7a c\u00f4ng t\u1eafc.<\/li>\n<li><strong>\u0110i\u1ec1u Khi\u1ec3n M\u00f4-\u0111un:<\/strong> B\u1ed9 \u0111i\u1ec1u khi\u1ec3n VIOX cung c\u1ea5p b\u1ed9 h\u1eb9n gi\u1edd tr\u1ec5 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, cho ph\u00e9p b\u1ea1n bi\u1ebfn m\u1ed9t ATS ti\u00eau chu\u1ea9n th\u00e0nh m\u1ed9t thi\u1ebft b\u1ecb \u201cChuy\u1ec3n M\u1ea1ch Tr\u1ec5\u201d \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1 m\u00e0 kh\u00f4ng c\u1ea7n mua ph\u1ea7n c\u1ee9ng t\u00f9y ch\u1ec9nh.<\/li>\n<\/ul>\n<h2>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/h2>\n<ul>\n<li><strong>Chuy\u1ec3n M\u1ea1ch H\u1edf (Ng\u1eaft Tr\u01b0\u1edbc Khi K\u1ebft N\u1ed1i):<\/strong> Ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed nh\u1ea5t. N\u00f3 ng\u1eaft k\u1ebft n\u1ed1i t\u1ea3i kh\u1ecfi ngu\u1ed3n \u0111i\u1ec7n trong m\u1ed9t th\u1eddi gian ng\u1eafn tr\u01b0\u1edbc khi k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ph\u00e1t \u0111i\u1ec7n, g\u00e2y ra s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n t\u1ea1m th\u1eddi.<\/li>\n<li><strong>Chuy\u1ec3n M\u1ea1ch K\u00edn (K\u1ebft N\u1ed1i Tr\u01b0\u1edbc Khi Ng\u1eaft):<\/strong> M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p chuy\u1ec3n m\u1ea1ch li\u1ec1n m\u1ea1ch, trong \u0111\u00f3 c\u1ea3 hai ngu\u1ed3n \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng song song trong th\u1eddi gian d\u01b0\u1edbi 100ms. N\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 \u0111\u1ed3ng b\u1ed9 h\u00f3a ch\u00ednh x\u00e1c v\u00e0 l\u00fd t\u01b0\u1edfng cho vi\u1ec7c ki\u1ec3m tra quan tr\u1ecdng.<\/li>\n<li><strong>Chuy\u1ec3n M\u1ea1ch Tr\u1ec5 R\u1ea5t Quan Tr\u1ecdng \u0110\u1ed1i V\u1edbi \u0110\u1ed9ng C\u01a1:<\/strong> \u0110\u1ed1i v\u1edbi m\u00e1y b\u01a1m c\u00f4ng nghi\u1ec7p v\u00e0 HVAC, lu\u00f4n s\u1eed d\u1ee5ng Chuy\u1ec3n M\u1ea1ch H\u1edf v\u1edbi \u201c\u0111\u1ed9 tr\u1ec5 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh\u201d \u0111\u1ec3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc do Back EMF.<\/li>\n<li><strong>Ch\u1ea5p Thu\u1eadn Ti\u1ec7n \u00cdch:<\/strong> Chuy\u1ec3n M\u1ea1ch K\u00edn th\u01b0\u1eddng y\u00eau c\u1ea7u s\u1ef1 cho ph\u00e9p t\u1eeb c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c \u0111\u1ecba ph\u01b0\u01a1ng c\u1ee7a b\u1ea1n do k\u1ebft n\u1ed1i song song t\u1ea1m th\u1eddi v\u1edbi l\u01b0\u1edbi \u0111i\u1ec7n.<\/li>\n<\/ul>\n<h2>C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p: C\u00e1c C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p V\u1ec1 C\u00e1c Lo\u1ea1i Chuy\u1ec3n M\u1ea1ch ATS<\/h2>\n<p><strong>H: T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Chuy\u1ec3n M\u1ea1ch H\u1edf cho b\u1ec7nh vi\u1ec7n kh\u00f4ng?<\/strong><br \/>\n\u0110: C\u00f3, nh\u01b0ng ch\u1ec9 d\u00e0nh cho c\u00e1c nh\u00e1nh kh\u00f4ng an to\u00e0n cho t\u00ednh m\u1ea1ng ho\u1eb7c n\u1ebfu \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi UPS (Ngu\u1ed3n Cung C\u1ea5p \u0110i\u1ec7n Li\u00ean T\u1ee5c). Tuy nhi\u00ean, Chuy\u1ec3n M\u1ea1ch K\u00edn \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n v\u00ec kh\u1ea3 n\u0103ng ki\u1ec3m tra m\u00e1y ph\u00e1t \u0111i\u1ec7n m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ec7nh vi\u1ec7n.<\/p>\n<p><strong>H: Chuy\u1ec3n M\u1ea1ch K\u00edn c\u00f3 lo\u1ea1i b\u1ecf s\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a UPS kh\u00f4ng?<\/strong><br \/>\n\u0110: Kh\u00f4ng ho\u00e0n to\u00e0n. Chuy\u1ec3n M\u1ea1ch K\u00edn ng\u0103n ng\u1eeba m\u1ea5t \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh chuy\u1ec3n m\u1ea1ch theo k\u1ebf ho\u1ea1ch (nh\u01b0 ki\u1ec3m tra). Tuy nhi\u00ean, trong qu\u00e1 tr\u00ecnh m\u1ea5t \u0111i\u1ec7n kh\u00f4ng c\u00f3 k\u1ebf ho\u1ea1ch, m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u1eabn c\u1ea7n th\u1eddi gian \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng (th\u01b0\u1eddng l\u00e0 10 gi\u00e2y). B\u1ea1n v\u1eabn c\u1ea7n UPS \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng kh\u1edfi \u0111\u1ed9ng \u0111\u00f3.<\/p>\n<p><strong>H: Chuy\u1ec3n M\u1ea1ch K\u00edn c\u00f3 an to\u00e0n h\u01a1n Chuy\u1ec3n M\u1ea1ch H\u1edf kh\u00f4ng?<\/strong><br \/>\n\u0110: V\u1ec1 m\u1eb7t c\u00e1ch ly \u0111i\u1ec7n, Chuy\u1ec3n M\u1ea1ch H\u1edf an to\u00e0n h\u01a1n v\u00ec hai ngu\u1ed3n kh\u00f4ng bao gi\u1edd ch\u1ea1m v\u00e0o nhau. Chuy\u1ec3n M\u1ea1ch K\u00edn g\u00e2y ra r\u1ee7i ro d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 n\u1ebfu \u0111\u1ed3ng b\u1ed9 h\u00f3a kh\u00f4ng th\u00e0nh c\u00f4ng, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao n\u00f3 y\u00eau c\u1ea7u r\u01a1le b\u1ea3o v\u1ec7 ti\u00ean ti\u1ebfn h\u01a1n.<\/p>\n<p><strong>H: \u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu ATS Chuy\u1ec3n M\u1ea1ch K\u00edn kh\u00f4ng \u0111\u1ed3ng b\u1ed9 h\u00f3a \u0111\u01b0\u1ee3c?<\/strong><br \/>\n\u0110: C\u00e1c thi\u1ebft b\u1ecb ATS ch\u1ea5t l\u01b0\u1ee3ng cao, nh\u01b0 c\u1ee7a VIOX, c\u00f3 ch\u1ebf \u0111\u1ed9 an to\u00e0n khi h\u1ecfng h\u00f3c. N\u1ebfu ch\u00fang kh\u00f4ng th\u1ec3 \u0111\u1ed3ng b\u1ed9 h\u00f3a trong m\u1ed9t th\u1eddi gian c\u1ee5 th\u1ec3, ch\u00fang s\u1ebd bu\u1ed9c ph\u1ea3i chuy\u1ec3n m\u1ea1ch h\u1edf ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ea3i v\u1eabn nh\u1eadn \u0111\u01b0\u1ee3c \u0111i\u1ec7n, ngay c\u1ea3 khi \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t nh\u1ea5p nh\u00e1y t\u1ea1m th\u1eddi.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>S\u1ef1 l\u1ef1a ch\u1ecdn gi\u1eefa <strong>Chuy\u1ec3n \u0110\u1ed5i H\u1edf<\/strong> v\u00e0 <strong>Chuy\u1ec3n m\u1ea1ch k\u00edn<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t c\u00e2u h\u1ecfi: C\u01a1 s\u1edf c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c s\u1ef1 gi\u00e1n \u0111o\u1ea1n \u0111i\u1ec7n d\u01b0\u1edbi m\u1ed9t gi\u00e2y kh\u00f4ng?<\/p>\n<ul>\n<li>N\u1ebfu <strong>\u0110\u00daNG<\/strong> (v\u00e0 b\u1ea1n mu\u1ed1n ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 s\u1ef1 ph\u1ee9c t\u1ea1p): H\u00e3y g\u1eafn b\u00f3 v\u1edbi <strong>Chuy\u1ec3n \u0110\u1ed5i H\u1edf<\/strong>. \u0110\u1ed1i v\u1edbi t\u1ea3i \u0111\u1ed9ng c\u01a1, h\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n l\u1eadp tr\u00ecnh \u0111\u1ed9 tr\u1ec5.<\/li>\n<li>N\u1ebfu <strong>KH\u00d4NG<\/strong> (v\u00e0 b\u1ea1n c\u1ea7n ki\u1ec3m tra m\u00e1y ph\u00e1t \u0111i\u1ec7n m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch): H\u00e3y \u0111\u1ea7u t\u01b0 v\u00e0o <strong>Chuy\u1ec3n m\u1ea1ch k\u00edn<\/strong>, nh\u01b0ng h\u00e3y chu\u1ea9n b\u1ecb cho c\u00e1c ph\u00ea duy\u1ec7t ti\u1ec7n \u00edch v\u00e0 chi ph\u00ed tr\u1ea3 tr\u01b0\u1edbc cao h\u01a1n.<\/li>\n<\/ul>\n<p>V\u1eabn kh\u00f4ng ch\u1eafc ch\u1eafn logic chuy\u1ec3n m\u1ea1ch n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? H\u00e3y li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt c\u1ee7a VIOX ngay h\u00f4m nay. Ch\u00fang t\u00f4i c\u00f3 th\u1ec3 xem x\u00e9t S\u01a1 \u0110\u1ed3 \u0110\u01b0\u1eddng D\u00e2y \u0110\u01a1n (SLD) c\u1ee7a b\u1ea1n v\u00e0 \u0111\u1ec1 xu\u1ea5t gi\u1ea3i ph\u00e1p ATS hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed nh\u1ea5t, \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 tu\u00e2n th\u1ee7.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 24px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 24px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1175.81px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1175.81px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 2794.66px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 2794.66px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 24px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1175.81px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1175.81px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 3911.3px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 3911.3px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5500.74px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5500.74px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Figure 1: A VIOX automatic transfer switch installed in an industrial electrical control panel. In the world of backup power, most specifiers obsess over amperage ratings or enclosure types. However, the most critical factor determining whether your facility experiences a seamless handover or a disruptive reboot lies in the switching logic: Open Transition vs. Closed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21353,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21351","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/comments?post=21351"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21351\/revisions"}],"predecessor-version":[{"id":21354,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21351\/revisions\/21354"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/21353"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=21351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=21351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=21351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}