{"id":21222,"date":"2026-01-06T10:10:27","date_gmt":"2026-01-06T02:10:27","guid":{"rendered":"https:\/\/viox.com\/?p=21222"},"modified":"2026-01-06T10:20:39","modified_gmt":"2026-01-06T02:20:39","slug":"on-grid-vs-off-grid-solar-distribution-box-selection-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/on-grid-vs-off-grid-solar-distribution-box-selection-guide\/","title":{"rendered":"H\u1ed9p Ph\u00e2n Ph\u1ed1i \u0110i\u1ec7n M\u1eb7t Tr\u1eddi H\u00f2a L\u01b0\u1edbi so v\u1edbi Ngo\u00e0i L\u01b0\u1edbi: S\u1ef1 Kh\u00e1c Bi\u1ec7t Quan Tr\u1ecdng trong L\u1ef1a Ch\u1ecdn Linh Ki\u1ec7n B\u1ea3o V\u1ec7"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>T\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn linh ki\u1ec7n quy\u1ebft \u0111\u1ecbnh s\u1ef1 an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn sai linh ki\u1ec7n b\u1ea3o v\u1ec7 trong h\u1ed9p ph\u00e2n ph\u1ed1i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y ra c\u00e1c s\u1ef1 c\u1ed1 h\u1ed3 quang \u0111i\u1ec7n, l\u1ed7i h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 v\u00e0 h\u1ecfa ho\u1ea1n \u0111i\u1ec7n trong c\u00e1c c\u00f4ng tr\u00ecnh l\u1eafp \u0111\u1eb7t quang \u0111i\u1ec7n. Sai l\u1ea7m c\u01a1 b\u1ea3n? Coi c\u00e1c h\u1ed9p ph\u00e2n ph\u1ed1i h\u00f2a l\u01b0\u1edbi v\u00e0 ngo\u00e0i l\u01b0\u1edbi l\u00e0 c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau khi ch\u00fang ho\u1ea1t \u0111\u1ed9ng theo c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n ho\u00e0n to\u00e0n kh\u00e1c nhau\u2014\u0111i\u1ec7n \u00e1p cao so v\u1edbi d\u00f2ng \u0111i\u1ec7n cao, d\u00f2ng ch\u1ea3y m\u1ed9t chi\u1ec1u so v\u1edbi hai chi\u1ec1u v\u00e0 n\u1ed1i l\u01b0\u1edbi so v\u1edbi n\u1ed1i \u0111\u1ea5t c\u00e1ch ly.<\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c linh ki\u1ec7n b\u1ea3o v\u1ec7 ch\u00ednh x\u00e1c b\u00ean trong h\u1ed9p ph\u00e2n ph\u1ed1i. R\u1ee7i ro l\u00e0 r\u1ea5t l\u1edbn: s\u1eed d\u1ee5ng b\u1ed9 ng\u1eaft m\u1ea1ch DC ph\u00e2n c\u1ef1c trong m\u1ea1ch pin c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng, trong khi gi\u1ea3m c\u00f4ng su\u1ea5t c\u1eaft ho\u1eb7c kh\u00f4ng kh\u1edbp c\u00e1c lo\u1ea1i SPD s\u1ebd l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a h\u1ec7 th\u1ed1ng. VIOX Electric chuy\u00ean v\u1ec1 l\u1ef1a ch\u1ecdn linh ki\u1ec7n theo \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 \u0111\u1ec3 ng\u0103n ng\u1eeba nh\u1eefng h\u1ecfng h\u00f3c n\u00e0y tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y ra.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-on-grid-solar-distribution-box-with-1000V-DC-MCBs-and-Type-2-SPD-protection-components.webp\" alt=\"VIOX on-grid solar distribution box with 1000V DC MCBs and Type 2 SPD protection components\" \/><figcaption style=\"margin-top: 10px;\"><i>H\u1ed9p ph\u00e2n ph\u1ed1i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi h\u00f2a l\u01b0\u1edbi VIOX v\u1edbi 1000V DC <a href=\"https:\/\/test.viox.com\/vi\/mcb\/\">C\u00f4ng<\/a> v\u00e0 Lo\u1ea1i 2 <a href=\"https:\/\/test.viox.com\/vi\/spd\/\">SPD<\/a> c\u00e1c linh ki\u1ec7n b\u1ea3o v\u1ec7<\/i><\/figcaption><\/figure>\n<h2>H\u1ed9p ph\u00e2n ph\u1ed1i h\u00f2a l\u01b0\u1edbi: Qu\u1ea3n l\u00fd h\u1ed3 quang DC \u0111i\u1ec7n \u00e1p cao<\/h2>\n<h3>H\u1ed3 s\u01a1 \u0111i\u1ec7n v\u00e0 c\u00e1c th\u00e1ch th\u1ee9c quan tr\u1ecdng<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi h\u00f2a l\u01b0\u1edbi ho\u1ea1t \u0111\u1ed9ng \u1edf **600V-1000V DC** v\u1edbi d\u00f2ng \u0111i\u1ec7n t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p (**10A-20A tr\u00ean m\u1ed7i chu\u1ed7i**). H\u1ed3 s\u01a1 \u0111i\u1ec7n \u00e1p cao, d\u00f2ng \u0111i\u1ec7n th\u1ea5p n\u00e0y t\u1ea1o ra m\u1ed9t th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3: d\u1eadp t\u1eaft h\u1ed3 quang DC \u1edf \u0111i\u1ec7n \u00e1p cao. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c h\u1ec7 th\u1ed1ng AC, n\u01a1i d\u00f2ng \u0111i\u1ec7n t\u1ef1 nhi\u00ean v\u01b0\u1ee3t qua \u0111i\u1ec3m kh\u00f4ng 120 l\u1ea7n m\u1ed7i gi\u00e2y, h\u1ed3 quang DC duy tr\u00ec li\u00ean t\u1ee5c, \u0111\u00f2i h\u1ecfi c\u00e1c c\u01a1 ch\u1ebf ng\u1eaft m\u1ea1ch chuy\u00ean d\u1ee5ng.<\/p>\n<p>D\u00f2ng \u0111i\u1ec7n ch\u1ea3y ho\u00e0n to\u00e0n **m\u1ed9t chi\u1ec1u**\u2014t\u1eeb m\u1ea3ng PV \u0111\u1ebfn bi\u1ebfn t\u1ea7n chu\u1ed7i \u0111\u1ebfn l\u01b0\u1edbi \u0111i\u1ec7n. H\u01b0\u1edbng c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n n\u00e0y cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 DC ph\u00e2n c\u1ef1c, \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c l\u1ef1a ch\u1ecdn linh ki\u1ec7n so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean pin.<\/p>\n<h3>C\u00e1c linh ki\u1ec7n b\u1ea3o v\u1ec7 thi\u1ebft y\u1ebfu<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>Th\u00e0nh ph\u1ea7n<\/th>\n<th>\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/th>\n<th>Ch\u1ee9c n\u0103ng ch\u00ednh<\/th>\n<th>\u0110\u1ec1 Xu\u1ea5t c\u1ee7a VIOX<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>DC MCB<\/strong><\/td>\n<td>1000V DC, 10-63A<\/td>\n<td>B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng chu\u1ed7i PV<\/td>\n<td>Ph\u00e2n c\u1ef1c 2P ho\u1eb7c 4P, c\u00f4ng su\u1ea5t c\u1eaft t\u1ed1i thi\u1ec3u 6kA<\/td>\n<\/tr>\n<tr>\n<td><strong>MCB AC<\/strong><\/td>\n<td>230\/400V AC, 16-125A<\/td>\n<td>B\u1ea3o v\u1ec7 ph\u00eda l\u01b0\u1edbi<\/td>\n<td>\u0110\u01b0\u1eddng cong lo\u1ea1i C ho\u1eb7c D, ph\u1ed1i h\u1ee3p v\u1edbi bi\u1ebfn t\u1ea7n<\/td>\n<\/tr>\n<tr>\n<td><strong>SPD AC<\/strong><\/td>\n<td>Lo\u1ea1i 2, 275V\/320V<\/td>\n<td>B\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n do l\u01b0\u1edbi g\u00e2y ra<\/td>\n<td>C\u1ea5p II, d\u00f2ng \u0111i\u1ec7n xung 40kA<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/test.viox.com\/vi\/dc-isolator-switch\/\"><strong>B\u1ed9 c\u00e1ch ly DC<\/strong><\/a><\/td>\n<td>1000V DC, \u0111\u1ecbnh m\u1ee9c ng\u1eaft m\u1ea1ch khi c\u00f3 t\u1ea3i<\/td>\n<td>Ng\u1eaft k\u1ebft n\u1ed1i th\u1ee7 c\u00f4ng \u0111\u1ec3 b\u1ea3o tr\u00ec<\/td>\n<td>\u0110\u1ecbnh m\u1ee9c li\u00ean t\u1ee5c 32-63A<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/test.viox.com\/vi\/busbar\/\"><strong>Thanh c\u00e1i<\/strong><\/a><\/td>\n<td>\u0110\u1ed3ng, m\u1ea1 thi\u1ebfc<\/td>\n<td>Ph\u00e2n ph\u1ed1i d\u00f2ng \u0111i\u1ec7n<\/td>\n<td>Ti\u1ebft di\u1ec7n t\u1ed1i thi\u1ec3u 10mm\u00b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>T\u1ea1i sao \u0111\u1ecbnh m\u1ee9c \u0111i\u1ec7n \u00e1p 1000V DC l\u00e0 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng<\/h4>\n<p>C\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch DC ti\u00eau chu\u1ea9n 600V DC b\u1ecb h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng trong c\u00e1c h\u1ec7 th\u1ed1ng 1000V v\u00ec \u0111i\u1ec7n \u00e1p h\u1ed3 quang v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng d\u1eadp t\u1eaft c\u1ee7a thi\u1ebft b\u1ecb. Khi d\u00f2ng \u0111i\u1ec7n DC b\u1ecb ng\u1eaft, m\u1ed9t h\u1ed3 quang \u0111i\u1ec7n h\u00ecnh th\u00e0nh tr\u00ean khe h\u1edf ti\u1ebfp x\u00fac. H\u1ed3 quang t\u1ef1 duy tr\u00ec n\u1ebfu \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c \u0111i\u1ec7n \u00e1p h\u1ed3 quang c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch\u2014d\u1eabn \u0111\u1ebfn v\u1ee1 v\u1ecf b\u1ed9 ng\u1eaft m\u1ea1ch, h\u1ecfa ho\u1ea1n v\u00e0 h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb.<\/p>\n<p>MCB 1000V DC c\u1ee7a VIOX k\u1ebft h\u1ee3p c\u00e1c \u1ed1ng d\u1eadp h\u1ed3 quang m\u1edf r\u1ed9ng v\u00e0 cu\u1ed9n d\u00e2y th\u1ed5i t\u1eeb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 d\u1eadp t\u1eaft h\u1ed3 quang DC \u0111i\u1ec7n \u00e1p cao. C\u00e1c c\u1ef1c n\u1ed1i ti\u1ebfp b\u1ed5 sung (c\u1ea5u h\u00ecnh 2P ho\u1eb7c 4P) k\u00e9o d\u00e0i chi\u1ec1u d\u00e0i h\u1ed3 quang, t\u0103ng \u0111i\u1ec7n tr\u1edf h\u1ed3 quang cho \u0111\u1ebfn khi ng\u1eaft m\u1ea1ch x\u1ea3y ra an to\u00e0n.<\/p>\n<h4>Y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 ph\u00eda AC<\/h4>\n<p>K\u1ebft n\u1ed1i l\u01b0\u1edbi \u0111i\u1ec7n b\u1eaft bu\u1ed9c ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111\u1ea3o (IEEE 1547, IEC 62116). MCB AC ph\u1ee5c v\u1ee5 hai m\u1ee5c \u0111\u00edch:<\/p>\n<ol>\n<li><strong>B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng<\/strong> cho \u0111\u1ea7u ra AC c\u1ee7a bi\u1ebfn t\u1ea7n<\/li>\n<li><strong>Ng\u1eaft k\u1ebft n\u1ed1i c\u00f3 ngh\u0129a l\u00e0<\/strong> \u0111\u1ec3 ng\u0103n ch\u1eb7n d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c trong th\u1eddi gian m\u1ea5t \u0111i\u1ec7n l\u01b0\u1edbi<\/li>\n<\/ol>\n<p>MCB AC \u0111\u01b0\u1eddng cong lo\u1ea1i C ho\u1eb7c D ph\u1ed1i h\u1ee3p v\u1edbi b\u1ea3o v\u1ec7 bi\u1ebfn t\u1ea7n, cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi ng\u1eaft m\u1ea1ch khi qu\u00e1 t\u1ea3i k\u00e9o d\u00e0i ho\u1eb7c s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch.<\/p>\n<h4>Chi\u1ebfn l\u01b0\u1ee3c SPD AC lo\u1ea1i 2<\/h4>\n<p>S\u00e9t lan truy\u1ec1n do l\u01b0\u1edbi g\u00e2y ra\u2014t\u1eeb s\u00e9t \u0111\u00e1nh tr\u00ean \u0111\u01b0\u1eddng d\u00e2y truy\u1ec1n t\u1ea3i, chuy\u1ec3n m\u1ea1ch t\u1ee5 \u0111i\u1ec7n ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p\u2014truy\u1ec1n qua k\u1ebft n\u1ed1i ti\u1ec7n \u00edch. SPD AC lo\u1ea1i 2 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i \u0111i\u1ec3m ph\u00e2n ph\u1ed1i AC k\u1eb9p c\u00e1c \u0111i\u1ec7n \u00e1p qu\u00e1 \u0111\u1ed9 n\u00e0y tr\u01b0\u1edbc khi ch\u00fang \u0111\u1ebfn bi\u1ebfn t\u1ea7n.<\/p>\n<p><strong>Vi\u1ec7c l\u1eafp \u0111\u1eb7t SPD \u0111\u00fang c\u00e1ch \u0111\u00f2i h\u1ecfi:<\/strong><\/p>\n<ul>\n<li>Chi\u1ec1u d\u00e0i d\u00e2y d\u1eabn t\u1ed1i \u0111a l\u00e0 0,5 m\u00e9t \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111i\u1ec7n c\u1ea3m c\u1ee7a d\u00e2y d\u1eabn<\/li>\n<li>Ph\u1ed1i h\u1ee3p v\u1edbi b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng ng\u01b0\u1ee3c d\u00f2ng<\/li>\n<li>C\u1eeda s\u1ed5 ch\u1ec9 b\u00e1o tr\u1ef1c quan \u0111\u1ec3 theo d\u00f5i khi h\u1ebft tu\u1ed5i th\u1ecd<\/li>\n<\/ul>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-off-grid-distribution-box-featuring-non-polarized-DC-MCCBs-for-bidirectional-battery-circuit-protection.webp\" alt=\"VIOX off-grid distribution box featuring non-polarized DC MCCBs for bidirectional battery circuit protection\" \/><figcaption style=\"margin-top: 10px;\"><i>H\u1ed9p ph\u00e2n ph\u1ed1i ngo\u00e0i l\u01b0\u1edbi VIOX c\u00f3 MCCB DC kh\u00f4ng ph\u00e2n c\u1ef1c \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ch pin hai chi\u1ec1u<\/i><\/figcaption><\/figure>\n<h2>H\u1ed9p ph\u00e2n ph\u1ed1i ngo\u00e0i l\u01b0\u1edbi: Th\u00e1ch th\u1ee9c d\u00f2ng \u0111i\u1ec7n hai chi\u1ec1u<\/h2>\n<h3>Th\u1ef1c t\u1ebf \u0111i\u1ec7n thay \u0111\u1ed5i m\u1ecdi th\u1ee9<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean pin ngo\u00e0i l\u01b0\u1edbi ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c nhau c\u01a1 b\u1ea3n: **\u0111i\u1ec7n \u00e1p pin 48V DC** v\u1edbi **d\u00f2ng \u0111i\u1ec7n 100-300A** trong chu k\u1ef3 s\u1ea1c v\u00e0 x\u1ea3. H\u1ed3 s\u01a1 \u0111i\u1ec7n \u00e1p th\u1ea5p, d\u00f2ng \u0111i\u1ec7n cao n\u00e0y \u0111\u1ea3o ng\u01b0\u1ee3c k\u1ecbch b\u1ea3n h\u00f2a l\u01b0\u1edbi\u2014nh\u01b0ng y\u1ebfu t\u1ed1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng l\u00e0 **d\u00f2ng \u0111i\u1ec7n hai chi\u1ec1u**.<\/p>\n<h3>T\u00ecnh th\u1ebf kh\u00f3 x\u1eed c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch pin: T\u1ea1i sao b\u1ed9 ng\u1eaft m\u1ea1ch PV ti\u00eau chu\u1ea9n b\u1ecb h\u1ecfng<\/h3>\n<p>\u0110\u00e2y l\u00e0 sai l\u1ea7m nguy hi\u1ec3m nh\u1ea5t trong thi\u1ebft k\u1ebf h\u1ed9p ph\u00e2n ph\u1ed1i ngo\u00e0i l\u01b0\u1edbi: **s\u1eed d\u1ee5ng MCB DC ph\u00e2n c\u1ef1c trong m\u1ea1ch pin**.<\/p>\n<p><strong>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao n\u00f3 b\u1ecb h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng:<\/strong><\/p>\n<p>Trong **ch\u1ebf \u0111\u1ed9 s\u1ea1c**, d\u00f2ng \u0111i\u1ec7n ch\u1ea3y t\u1eeb m\u1ea3ng PV (ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n) V\u00c0O pin\u2014h\u01b0\u1edbng A. Trong **ch\u1ebf \u0111\u1ed9 x\u1ea3**, d\u00f2ng \u0111i\u1ec7n ch\u1ea3y T\u1eea pin \u0111\u1ebfn bi\u1ebfn t\u1ea7n\/t\u1ea3i\u2014h\u01b0\u1edbng B (ng\u01b0\u1ee3c v\u1edbi A).<\/p>\n<p>B\u1ed9 ng\u1eaft m\u1ea1ch DC ph\u00e2n c\u1ef1c s\u1eed d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu ho\u1eb7c \u1ed1ng d\u1eadp h\u1ed3 quang \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 d\u1eadp t\u1eaft h\u1ed3 quang ch\u1ec9 theo M\u1ed8T h\u01b0\u1edbng. Khi x\u1ea3y ra s\u1ef1 c\u1ed1 trong qu\u00e1 tr\u00ecnh d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c, c\u01a1 ch\u1ebf d\u1eadp t\u1eaft h\u1ed3 quang c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng ng\u01b0\u1ee3c ho\u1eb7c ho\u00e0n to\u00e0n kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng:<\/p>\n<ul>\n<li>Cu\u1ed9n d\u00e2y th\u1ed5i t\u1eeb \u0111\u1ea9y h\u1ed3 quang theo h\u01b0\u1edbng SAI<\/li>\n<li>N\u0103ng l\u01b0\u1ee3ng h\u1ed3 quang t\u1eadp trung thay v\u00ec ph\u00e2n t\u00e1n<\/li>\n<li>S\u1ef1 x\u00f3i m\u00f2n ti\u1ebfp x\u00fac t\u0103ng t\u1ed1c<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 v\u1ecf b\u1ed9 ng\u1eaft m\u1ea1ch t\u0103ng nhanh<\/li>\n<li><strong>K\u1ebft qu\u1ea3: H\u1ecfng b\u1ed9 ng\u1eaft m\u1ea1ch, h\u1ed3 quang duy tr\u00ec v\u00e0 h\u1ecfa ho\u1ea1n<\/strong><\/li>\n<\/ul>\n<p>M\u1ed9t gi\u1ea3i th\u00edch k\u1ef9 thu\u1eadt chi ti\u1ebft v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 s\u1eb5n trong h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i: <a href=\"https:\/\/test.viox.com\/vi\/why-use-non-polarized-dc-miniature-circuit-breakers-in-pv-storage-systems\/\">T\u1ea1i sao Kh\u00f4ng S\u1eed d\u1ee5ng Ph\u00e2n DC thu Nh\u1ecf b\u1ed9 Ng\u1eaft \u1edf PV H\u1ec7 th\u1ed1ng l\u01b0u Tr\u1eef<\/a>.<\/p>\n<h3>Gi\u1ea3i ph\u00e1p VIOX: B\u1ea3o v\u1ec7 DC kh\u00f4ng ph\u00e2n c\u1ef1c<\/h3>\n<p><strong>MCB v\u00e0 MCCB DC kh\u00f4ng ph\u00e2n c\u1ef1c<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00e1c bu\u1ed3ng d\u1eadp h\u1ed3 quang \u0111\u1ed1i x\u1ee9ng, ng\u1eaft d\u00f2ng \u0111i\u1ec7n an to\u00e0n b\u1ea5t k\u1ec3 h\u01b0\u1edbng d\u00f2ng ch\u1ea3y. C\u00e1c t\u00ednh n\u0103ng thi\u1ebft k\u1ebf ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li>\u1ed0ng d\u1eadp h\u1ed3 quang k\u00e9p \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng cho ho\u1ea1t \u0111\u1ed9ng hai chi\u1ec1u<\/li>\n<li>Cu\u1ed9n d\u00e2y th\u1ed5i kh\u00f4ng t\u1eeb t\u00ednh (ho\u1eb7c cu\u1ed9n d\u00e2y t\u1eeb t\u00ednh ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea3 hai c\u1ef1c)<\/li>\n<li>H\u00ecnh h\u1ecdc ti\u1ebfp x\u00fac \u0111\u1ed1i x\u1ee9ng<\/li>\n<li>Dung l\u01b0\u1ee3ng nhi\u1ec7t n\u00e2ng cao cho d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c cao<\/li>\n<\/ul>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>N\u0103ng<\/th>\n<th>B\u1ed9 ng\u1eaft m\u1ea1ch DC ph\u00e2n c\u1ef1c<\/th>\n<th>B\u1ed9 ng\u1eaft m\u1ea1ch DC kh\u00f4ng ph\u00e2n c\u1ef1c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>H\u01b0\u1edbng Hi\u1ec7n T\u1ea1i<\/strong><\/td>\n<td>Ch\u1ec9 c\u00f3 m\u1ed9t chi\u1ec1u<\/td>\n<td>Hai chi\u1ec1u<\/td>\n<\/tr>\n<tr>\n<td><strong>\u1ee8ng d\u1ee5ng<\/strong><\/td>\n<td>B\u1ea3o v\u1ec7 chu\u1ed7i PV<\/td>\n<td>B\u1ea3o v\u1ec7 m\u1ea1ch pin<\/td>\n<\/tr>\n<tr>\n<td><strong>Arc Tuy\u1ec7t Ch\u1ee7ng<\/strong><\/td>\n<td>T\u1eeb tr\u01b0\u1eddng \u0111\u1ecbnh h\u01b0\u1edbng<\/td>\n<td>Bu\u1ed3ng d\u1eadp h\u1ed3 quang \u0111\u1ed1i x\u1ee9ng<\/td>\n<\/tr>\n<tr>\n<td><strong>X\u1ebfp h\u1ea1ng \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\n<td>1000V DC, 10-63A<\/td>\n<td>250-1000V DC, 100-400A<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u1ea5u h\u00ecnh<\/strong><\/td>\n<td>2P (\u0111\u00e1nh d\u1ea5u +\/-)<\/td>\n<td>2P ho\u1eb7c 4P (kh\u00f4ng c\u00f3 d\u1ea5u ph\u00e2n c\u1ef1c)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ebf \u0111\u1ed9 l\u1ed7i v\u1edbi d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c<\/strong><\/td>\n<td>H\u1ed3 quang duy tr\u00ec, l\u1ed7i b\u1ed9 ng\u1eaft m\u1ea1ch<\/td>\n<td>Ng\u1eaft m\u1ea1ch b\u00ecnh th\u01b0\u1eddng<\/td>\n<\/tr>\n<tr>\n<td><strong>D\u00f2ng s\u1ea3n ph\u1ea9m VIOX<\/strong><\/td>\n<td>D\u00f2ng VXDC-1000<\/td>\n<td>D\u00f2ng VXDC-NP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u0110\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n cho c\u00e1c \u1ee9ng d\u1ee5ng pin<\/h3>\n<p>M\u1ea1ch pin y\u00eau c\u1ea7u \u0111\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi chu\u1ed7i PV:<\/p>\n<ul>\n<li><strong>H\u1ec7 th\u1ed1ng d\u00e2n d\u1ee5ng nh\u1ecf (5-10kWh):<\/strong> 100-150A<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng v\u1eeba (15-20kWh):<\/strong> 200-250A<\/li>\n<li><strong>C\u00e1c l\u1eafp \u0111\u1eb7t l\u1edbn ngo\u00e0i l\u01b0\u1edbi:<\/strong> 300-400A<\/li>\n<\/ul>\n<p>MCB DIN rail ti\u00eau chu\u1ea9n \u0111\u1ea1t t\u1ed1i \u0111a 125A. \u0110\u1ed1i v\u1edbi \u0111\u1ecbnh m\u1ee9c cao h\u01a1n, **c\u1ea7u dao v\u1ecf \u0111\u00fac (MCCB)** tr\u1edf n\u00ean c\u1ea7n thi\u1ebft\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 MCCB \u0111\u1ecbnh m\u1ee9c DC kh\u00f4ng ph\u00e2n c\u1ef1c v\u1edbi kh\u1ea3 n\u0103ng c\u1eaft **25kA tr\u1edf l\u00ean** \u1edf \u0111i\u1ec7n \u00e1p DC.<\/p>\n<h3>C\u00e1c th\u00e0nh ph\u1ea7n b\u1ea3o v\u1ec7 ngo\u00e0i l\u01b0\u1edbi b\u1ed5 sung<\/h3>\n<p><strong>C\u1ea7u ch\u00ec DC lo\u1ea1i NH:<\/strong> M\u1ea1ch pin \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb b\u1ea3o v\u1ec7 d\u1ef1 ph\u00f2ng b\u1eb1ng c\u1ea7u ch\u00ec. C\u1ea7u ch\u00ec NH00 ho\u1eb7c NH1 \u0111\u1ecbnh m\u1ee9c 160-250A cung c\u1ea5p b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng th\u1ee9 c\u1ea5p v\u00e0 ph\u1ed1i h\u1ee3p v\u1edbi MCCB \u0111\u1ec3 x\u00f3a l\u1ed7i c\u00f3 ch\u1ecdn l\u1ecdc.<\/p>\n<p><strong>C\u00f4ng t\u1eafc ng\u1eaft k\u1ebft n\u1ed1i pin:<\/strong> C\u00f4ng t\u1eafc ng\u1eaft t\u1ea3i th\u1ee7 c\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho to\u00e0n b\u1ed9 \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n c\u1ee7a pin cho ph\u00e9p c\u00e1ch ly an to\u00e0n trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec. Ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c DC v\u1edbi ch\u1ec9 b\u00e1o v\u1ecb tr\u00ed ti\u1ebfp \u0111i\u1ec3m c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y.<\/p>\n<p><strong>X\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng:<\/strong> B\u1ed9 bi\u1ebfn t\u1ea7n ngo\u00e0i l\u01b0\u1edbi ti\u00eau th\u1ee5 d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng cao trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng\u2014th\u01b0\u1eddng **g\u1ea5p 5-10 l\u1ea7n \u0111\u1ecbnh m\u1ee9c li\u00ean t\u1ee5c** trong 10-50 mili gi\u00e2y. MCCB kh\u00f4ng ph\u00e2n c\u1ef1c ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh chuy\u1ec3n ti\u1ebfp n\u00e0y m\u00e0 kh\u00f4ng b\u1ecb ng\u1eaft m\u1ea1ch phi\u1ec1n to\u00e1i. VIOX ch\u1ec9 \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh tr\u1ec5 th\u1eddi gian (\u0111\u01b0\u1eddng cong lo\u1ea1i D) cho b\u1ed9 ng\u1eaft m\u1ea1ch pin \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n trong khi v\u1eabn duy tr\u00ec b\u1ea3o v\u1ec7 l\u1ed7i.<\/p>\n<h3>T\u00edch h\u1ee3p d\u1ef1 ph\u00f2ng m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/h3>\n<p>H\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng ngo\u00e0i l\u01b0\u1edbi t\u00edch h\u1ee3p **d\u1ef1 ph\u00f2ng m\u00e1y ph\u00e1t \u0111i\u1ec7n** \u0111\u1ec3 t\u1ef1 ch\u1ee7 m\u1edf r\u1ed9ng. \u0110i\u1ec1u n\u00e0y gi\u1edbi thi\u1ec7u th\u00eam s\u1ef1 ph\u1ee9c t\u1ea1p:<\/p>\n<ul>\n<li><strong>C\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch t\u1ef1 \u0111\u1ed9ng (ATS):<\/strong> Chuy\u1ec3n \u0111\u1ed5i li\u1ec1n m\u1ea1ch t\u1ea3i gi\u1eefa ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh c\u1ea1n ki\u1ec7t pin<\/li>\n<li><strong>C\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch th\u1ee7 c\u00f4ng (MTS):<\/strong> Gi\u1ea3i ph\u00e1p thay th\u1ebf chi ph\u00ed th\u1ea5p h\u01a1n \u0111\u00f2i h\u1ecfi s\u1ef1 can thi\u1ec7p c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh<\/li>\n<\/ul>\n<p>ATS theo d\u00f5i \u0111i\u1ec7n \u00e1p pin, \u0111\u1ea7u ra b\u1ed9 bi\u1ebfn t\u1ea7n v\u00e0 t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n, th\u1ef1c hi\u1ec7n chuy\u1ec3n trong v\u00f2ng 100-300 mili gi\u00e2y. \u0110\u1ea7u v\u00e0o m\u00e1y ph\u00e1t \u0111i\u1ec7n y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng ri\u00eang bi\u1ec7t c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi c\u00f4ng su\u1ea5t m\u00e1y ph\u00e1t \u0111i\u1ec7n (th\u01b0\u1eddng l\u00e0 MCB AC 16-32A).<\/p>\n<p>\u0110\u1ec3 bi\u1ebft h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 l\u1ef1a ch\u1ecdn ATS, h\u00e3y xem: <a href=\"https:\/\/test.viox.com\/vi\/automatic-transfer-switch-vs-interlock-kit\/\">C\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch t\u1ef1 \u0111\u1ed9ng so v\u1edbi B\u1ed9 d\u1ee5ng c\u1ee5 kh\u00f3a li\u00ean \u0111\u1ed9ng<\/a> v\u00e0 <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-dual-power-automatic-transfer-switch\/\">C\u00f4ng t\u1eafc chuy\u1ec3n ngu\u1ed3n t\u1ef1 \u0111\u1ed9ng k\u00e9p l\u00e0 g\u00ec<\/a>.<\/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-cutaway-comparison-of-VIOX-on-grid-vs-off-grid-distribution-box-internal-component-layouts.webp\" alt=\"Technical cutaway comparison of VIOX on-grid vs off-grid distribution box internal component layouts\" \/><figcaption style=\"margin-top: 10px;\"><i>So s\u00e1nh m\u1eb7t c\u1eaft k\u1ef9 thu\u1eadt v\u1ec1 b\u1ed1 c\u1ee5c th\u00e0nh ph\u1ea7n b\u00ean trong h\u1ed9p ph\u00e2n ph\u1ed1i VIOX tr\u00ean l\u01b0\u1edbi so v\u1edbi ngo\u00e0i l\u01b0\u1edbi<\/i><\/figcaption><\/figure>\n<h2>Ti\u1ebfp \u0111\u1ea5t &amp; L\u1ef1a ch\u1ecdn SPD: S\u1ef1 kh\u00e1c bi\u1ec7t \u1ea9n<\/h2>\n<h3>Ki\u1ebfn tr\u00fac ti\u1ebfp \u0111\u1ea5t tr\u00ean l\u01b0\u1edbi<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng n\u1ed1i l\u01b0\u1edbi s\u1eed d\u1ee5ng ki\u1ebfn tr\u00fac \u0111i\u1ec7n **ti\u1ebfp \u0111\u1ea5t v\u1eefng ch\u1eafc** theo quy \u0111\u1ecbnh c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n k\u1ebft n\u1ed1i ti\u1ec7n \u00edch:<\/p>\n<ul>\n<li>M\u1ea3ng PV \u00e2m ho\u1eb7c trung t\u00e2m \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t \u0111\u1ec3 tu\u00e2n th\u1ee7 NEC 690.41<\/li>\n<li>D\u00e2y d\u1eabn ti\u1ebfp \u0111\u1ea5t thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i t\u1ea5t c\u1ea3 c\u00e1c v\u1ecf kim lo\u1ea1i<\/li>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/rccb\/\">RCD AC<\/a> ho\u1eb7c b\u1ea3o v\u1ec7 RCBO<\/strong> b\u1eaft bu\u1ed9c \u1edf ph\u00eda l\u01b0\u1edbi (30mA d\u00e2n d\u1ee5ng, 300mA th\u01b0\u01a1ng m\u1ea1i)<\/li>\n<li>Ph\u00e1t hi\u1ec7n l\u1ed7i ch\u1ea1m \u0111\u1ea5t theo d\u00f5i \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n<\/li>\n<\/ul>\n<p>C\u1ea5u h\u00ecnh ti\u1ebfp \u0111\u1ea5t v\u1eefng ch\u1eafc n\u00e0y cho ph\u00e9p ho\u1ea1t \u0111\u1ed9ng **b\u1ed9 ng\u1eaft m\u1ea1ch l\u1ed7i ch\u1ea1m \u0111\u1ea5t (GFCI\/RCD)** \u0111\u00e1ng tin c\u1eady, ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 gi\u1eefa pha v\u00e0 \u0111\u1ea5t\u2014r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi an to\u00e0n c\u00e1 nh\u00e2n v\u00e0 tu\u00e2n th\u1ee7 NEC.<\/p>\n<p><strong>Ph\u1ed1i h\u1ee3p SPD AC lo\u1ea1i 2:<\/strong> SPD n\u1ed1i l\u01b0\u1edbi ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t v\u1eefng ch\u1eafc, n\u01a1i d\u00f2ng \u0111i\u1ec7n t\u0103ng v\u1ecdt chuy\u1ec3n h\u01b0\u1edbng xu\u1ed1ng \u0111\u1ea5t. SPD ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/mcov-spd-maximum-continuous-operating-voltage-guide\/\">\u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c t\u1ed1i \u0111a (MCOV)<\/a>:<\/strong> 275V cho h\u1ec7 th\u1ed1ng 230V, 320V cho h\u1ec7 th\u1ed1ng 277V<\/li>\n<li><strong>D\u00f2ng x\u1ea3 danh ngh\u0129a (In):<\/strong> T\u1ed1i thi\u1ec3u 20kA<\/li>\n<li><strong>M\u1ee9c b\u1ea3o v\u1ec7 \u0111i\u1ec7n \u00e1p (L\u00ean):<\/strong> &lt;1,5kV \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed bi\u1ebfn t\u1ea7n nh\u1ea1y c\u1ea3m<\/li>\n<\/ul>\n<h3>Chi\u1ebfn l\u01b0\u1ee3c ti\u1ebfp \u0111\u1ea5t ngo\u00e0i l\u01b0\u1edbi<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng ngo\u00e0i l\u01b0\u1edbi th\u01b0\u1eddng s\u1eed d\u1ee5ng ki\u1ebfn tr\u00fac **ti\u1ebfp \u0111\u1ea5t n\u1ed5i** ho\u1eb7c **ti\u1ebfp \u0111\u1ea5t c\u00e1ch ly**:<\/p>\n<ul>\n<li>Pin \u00e2m c\u00f3 th\u1ec3 n\u1ed5i (kh\u00f4ng n\u1ed1i \u0111\u1ea5t) \u0111\u1ec3 ng\u0103n ng\u1eeba \u0103n m\u00f2n<\/li>\n<li>B\u1ed9 bi\u1ebfn t\u1ea7n t\u1ea1o ra trung t\u00ednh nh\u00e2n t\u1ea1o v\u00e0 tham chi\u1ebfu \u0111\u1ea5t<\/li>\n<li>H\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly<\/li>\n<li><strong>B\u1ea3o v\u1ec7 RCD th\u01b0\u1eddng kh\u00f4ng kh\u1ea3 thi<\/strong> do thi\u1ebfu \u0111\u1ea5t tham chi\u1ebfu<\/li>\n<\/ul>\n<p><strong>T\u1ea1i sao \u0111i\u1ec1u n\u00e0y l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c l\u1ef1a ch\u1ecdn SPD:<\/strong><\/p>\n<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t n\u1ed5i, n\u0103ng l\u01b0\u1ee3ng t\u0103ng v\u1ecdt kh\u00f4ng th\u1ec3 ti\u00eau t\u00e1n qua \u0111\u1ea5t. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t c\u1ea5u tr\u00fac li\u00ean k\u1ebft SPD kh\u00e1c:<\/p>\n<ul>\n<li><strong>SPD ch\u1ebf \u0111\u1ed9 chung:<\/strong> B\u1ea3o v\u1ec7 gi\u1eefa m\u1ed7i pha v\u00e0 \u0111\u1ea5t (y\u00eau c\u1ea7u tham chi\u1ebfu \u0111\u1ea5t)<\/li>\n<li><strong>SPD ch\u1ebf \u0111\u1ed9 vi sai:<\/strong> B\u1ea3o v\u1ec7 gi\u1eefa c\u00e1c pha (ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c h\u1ec7 th\u1ed1ng n\u1ed5i)<\/li>\n<\/ul>\n<p>C\u00e1c l\u1eafp \u0111\u1eb7t ngo\u00e0i l\u01b0\u1edbi \u01b0u ti\u00ean **SPD DC tr\u00ean \u0111\u1ea7u v\u00e0o PV** \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c xung \u0111i\u1ec7n do s\u00e9t g\u00e2y ra tr\u00ean c\u00e1p m\u1ea3ng. SPD AC tr\u1edf th\u00e0nh th\u1ee9 y\u1ebfu n\u1ebfu m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p.<\/p>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn ch\u1ecdn SPD to\u00e0n di\u1ec7n: <a href=\"https:\/\/test.viox.com\/vi\/how-to-choose-the-right-spd-for-your-solar-power-system\/\">C\u00e1ch ch\u1ecdn SPD ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi c\u1ee7a b\u1ea1n<\/a> v\u00e0 <a href=\"https:\/\/test.viox.com\/vi\/ac-vs-dc-combiner-box\/\">H\u1ed9p k\u1ebft h\u1ee3p AC so v\u1edbi DC<\/a>.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>Th\u00f4ng s\u1ed1 ti\u1ebfp \u0111\u1ea5t<\/th>\n<th>H\u1ec7 th\u1ed1ng h\u00f2a l\u01b0\u1edbi<\/th>\n<th>H\u1ec7 th\u1ed1ng \u0111\u1ed9c l\u1eadp<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Tham chi\u1ebfu N\u1ed1i \u0111\u1ea5t<\/strong><\/td>\n<td>Ti\u1ebfp \u0111\u1ea5t ti\u1ec7n \u00edch v\u1eefng ch\u1eafc<\/td>\n<td>N\u1ed1i \u0111\u1ea5t n\u1ed5i ho\u1eb7c c\u00e1ch ly<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o v\u1ec7 RCD<\/strong><\/td>\n<td>B\u1eaft bu\u1ed9c (30-300mA)<\/td>\n<td>Th\u01b0\u1eddng kh\u00f4ng \u00e1p d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td><strong>Lo\u1ea1i SPD (Ph\u00eda AC)<\/strong><\/td>\n<td>Lo\u1ea1i 2, ch\u1ebf \u0111\u1ed9 chung<\/td>\n<td>Lo\u1ea1i 2, \u01b0u ti\u00ean ch\u1ebf \u0111\u1ed9 vi sai<\/td>\n<\/tr>\n<tr>\n<td><strong>Lo\u1ea1i SPD (Ph\u00eda DC)<\/strong><\/td>\n<td>Lo\u1ea1i 2 DC, 1000V<\/td>\n<td>Lo\u1ea1i 2 DC, 600V ho\u1eb7c 1000V<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u00e1t hi\u1ec7n l\u1ed7i ch\u1ea1m \u0111\u1ea5t<\/strong><\/td>\n<td>M\u00f4-\u0111un GFP ti\u00eau chu\u1ea9n<\/td>\n<td>Gi\u00e1m s\u00e1t c\u00e1ch ly t\u00f9y ch\u1ec9nh<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ed1ng s\u00e9t<\/strong><\/td>\n<td>L\u01b0\u1edbi \u0111i\u1ec7n cung c\u1ea5p b\u1ea3o v\u1ec7 m\u1ed9t ph\u1ea7n<\/td>\n<td>B\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n ph\u00eda DC l\u00e0 c\u1ea7n thi\u1ebft<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-technical-diagram-comparing-unidirectional-on-grid-current-flow-versus-bidirectional-off-grid-battery-current-flow.webp\" alt=\"VIOX technical diagram comparing unidirectional on-grid current flow versus bidirectional off-grid battery current flow\" \/><figcaption style=\"margin-top: 10px;\"><i>S\u01a1 \u0111\u1ed3 k\u1ef9 thu\u1eadt VIOX so s\u00e1nh d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u tr\u00ean l\u01b0\u1edbi so v\u1edbi d\u00f2ng \u0111i\u1ec7n hai chi\u1ec1u c\u1ee7a pin ngo\u00e0i l\u01b0\u1edbi<\/i><\/figcaption><\/figure>\n<h2>H\u1ec7 th\u1ed1ng Hybrid: V\u00f9ng trung gian ph\u1ee9c t\u1ea1p<\/h2>\n<p>H\u1ec7 th\u1ed1ng hybrid k\u1ebft h\u1ee3p ho\u1ea1t \u0111\u1ed9ng n\u1ed1i l\u01b0\u1edbi v\u1edbi d\u1ef1 ph\u00f2ng pin\u2014y\u00eau c\u1ea7u c\u00e1c th\u00e0nh ph\u1ea7n b\u1ea3o v\u1ec7 gi\u1ea3i quy\u1ebft **c\u1ea3 chu\u1ed7i PV \u0111i\u1ec7n \u00e1p cao V\u00c0 m\u1ea1ch pin hai chi\u1ec1u**.<\/p>\n<h3>Y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 k\u00e9p<\/h3>\n<p><strong>Ph\u00eda d\u00e3y PV (\u0110i\u1ec7n \u00e1p cao):<\/strong><\/p>\n<ul>\n<li>MCB DC 1000V \u0111\u1ec3 b\u1ea3o v\u1ec7 chu\u1ed7i (ch\u1ea5p nh\u1eadn ph\u00e2n c\u1ef1c)<\/li>\n<li>Thi\u1ebft b\u1ecb ng\u1eaft nhanh PV (tu\u00e2n th\u1ee7 NEC 690.12)<\/li>\n<li>SPD DC \u1edf \u0111\u1ea7u v\u00e0o h\u1ed9p k\u1ebft h\u1ee3p<\/li>\n<\/ul>\n<p><strong>Ph\u00eda pin (D\u00f2ng \u0111i\u1ec7n cao, hai chi\u1ec1u):<\/strong><\/p>\n<ul>\n<li><strong>MCCB DC kh\u00f4ng ph\u00e2n c\u1ef1c<\/strong> (200-400A) \u0111\u1ec3 b\u1ea3o v\u1ec7 pin<\/li>\n<li>C\u00f4ng t\u1eafc ng\u1eaft k\u1ebft n\u1ed1i pin<\/li>\n<li>C\u1ea7u ch\u00ec DC lo\u1ea1i NH \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1ef1 ph\u00f2ng<\/li>\n<\/ul>\n<p><strong>Ph\u00eda AC (K\u1ebft n\u1ed1i l\u01b0\u1edbi + T\u1ea3i d\u1ef1 ph\u00f2ng):<\/strong><\/p>\n<ul>\n<li>B\u1ea3o v\u1ec7 bi\u1ebfn t\u1ea7n n\u1ed1i l\u01b0\u1edbi (MCB AC + RCD)<\/li>\n<li>B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ee5 t\u1ea3i quan tr\u1ecdng v\u1edbi b\u1ea3o v\u1ec7 ri\u00eang bi\u1ec7t<\/li>\n<li>ATS \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i li\u1ec1n m\u1ea1ch gi\u1eefa l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 ngu\u1ed3n pin<\/li>\n<\/ul>\n<h3>Th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt<\/h3>\n<p>H\u1ed9p ph\u00e2n ph\u1ed1i hybrid ph\u1ea3i ch\u1ee9a:<\/p>\n<ol>\n<li>DC \u0111i\u1ec7n \u00e1p cao t\u1eeb PV (600-1000V)<\/li>\n<li>DC \u0111i\u1ec7n \u00e1p th\u1ea5p, d\u00f2ng \u0111i\u1ec7n cao t\u1eeb pin (48V, 200A+)<\/li>\n<li>D\u00f2ng \u0111i\u1ec7n pin hai chi\u1ec1u (s\u1ea1c\/x\u1ea3)<\/li>\n<li>K\u1ebft n\u1ed1i AC l\u01b0\u1edbi v\u1edbi ch\u1ed1ng \u0111\u1ea3o<\/li>\n<li>\u0110\u1ea7u v\u00e0o d\u1ef1 ph\u00f2ng m\u00e1y ph\u00e1t \u0111i\u1ec7n (t\u00f9y ch\u1ecdn)<\/li>\n<\/ol>\n<p><strong>Gi\u1ea3i ph\u00e1p Hybrid VIOX:<\/strong> H\u1ed9p ph\u00e2n ph\u1ed1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh v\u1edbi c\u00e1c ng\u0103n ri\u00eang bi\u1ec7t cho m\u1ea1ch PV, pin v\u00e0 AC\u2014ng\u0103n ng\u1eeba \u1ee9ng su\u1ea5t \u0111i\u1ec7n \u00e1p gi\u1eefa c\u00e1c ph\u1ea7n \u0111i\u1ec7n \u00e1p cao v\u00e0 th\u1ea5p trong khi v\u1eabn duy tr\u00ec k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn.<\/p>\n<h3>Ph\u1ed1i h\u1ee3p SPD trong h\u1ec7 th\u1ed1ng Hybrid<\/h3>\n<p>B\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n:<\/p>\n<ul>\n<li><strong>SPD AC lo\u1ea1i 1+2<\/strong> t\u1ea1i \u0111i\u1ec3m k\u1ebft n\u1ed1i l\u01b0\u1edbi (b\u1ea3o v\u1ec7 n\u00e2ng cao)<\/li>\n<li><strong>DC SPD<\/strong> t\u1ea1i \u0111\u1ea7u v\u00e0o h\u1ed9p k\u1ebft h\u1ee3p PV<\/li>\n<li><strong>SPD DC ri\u00eang bi\u1ec7t<\/strong> t\u1ea1i c\u00e1c \u0111\u1ea7u c\u1ef1c pin (hi\u1ebfm, d\u00e0nh ri\u00eang cho \u1ee9ng d\u1ee5ng)<\/li>\n<\/ul>\n<p>Th\u00e1ch th\u1ee9c l\u00e0 ph\u1ed1i h\u1ee3p nhi\u1ec1u giai \u0111o\u1ea1n SPD \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec7n \u00e1p th\u00f4ng qua th\u00edch h\u1ee3p m\u00e0 kh\u00f4ng t\u1ea1o ra l\u1ed7i t\u1ea7ng SPD.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-technical-diagram-illustrating-arc-extinction-failure-in-polarized-breaker-during-reverse-current-flow.webp\" alt=\"VIOX technical diagram illustrating arc extinction failure in polarized breaker during reverse current flow\" \/><figcaption style=\"margin-top: 10px;\"><i>S\u01a1 \u0111\u1ed3 k\u1ef9 thu\u1eadt VIOX minh h\u1ecda l\u1ed7i d\u1eadp t\u1eaft h\u1ed3 quang trong b\u1ed9 ng\u1eaft m\u1ea1ch ph\u00e2n c\u1ef1c trong qu\u00e1 tr\u00ecnh d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c<\/i><\/figcaption><\/figure>\n<h2>Ma tr\u1eadn quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn th\u00e0nh ph\u1ea7n<\/h2>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn<\/th>\n<th>H\u1ec7 th\u1ed1ng h\u00f2a l\u01b0\u1edbi<\/th>\n<th>H\u1ec7 th\u1ed1ng \u0111\u1ed9c l\u1eadp<\/th>\n<th>H\u1ec7 th\u1ed1ng Hybrid<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0110i\u1ec7n \u00e1p DC<\/strong><\/td>\n<td>600-1000V<\/td>\n<td>48-120V<\/td>\n<td>C\u1ea3 hai d\u1ea3i<\/td>\n<\/tr>\n<tr>\n<td><strong>D\u00f2ng \u0111i\u1ec7n DC<\/strong><\/td>\n<td>10-20A m\u1ed7i chu\u1ed7i<\/td>\n<td>100-400A (pin)<\/td>\n<td>C\u1ea3 hai d\u1ea3i<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u01b0\u1edbng Hi\u1ec7n T\u1ea1i<\/strong><\/td>\n<td>M\u1ed9t chi\u1ec1u<\/td>\n<td>Hai chi\u1ec1u<\/td>\n<td>C\u1ea3 hai lo\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td><strong>Lo\u1ea1i c\u1ea7u dao DC<\/strong><\/td>\n<td>MCB ph\u00e2n c\u1ef1c (1000V)<\/td>\n<td><strong>MCCB kh\u00f4ng ph\u00e2n c\u1ef1c<\/strong><\/td>\n<td>C\u1ea3 hai lo\u1ea1i trong c\u00e1c m\u1ea1ch ri\u00eang bi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 n\u0103ng c\u1eaft m\u1ea1ch DC<\/strong><\/td>\n<td>T\u1ed1i thi\u1ec3u 6kA<\/td>\n<td>T\u1ed1i thi\u1ec3u 25kA<\/td>\n<td>Gi\u00e1 tr\u1ecb cao h\u01a1n c\u1ee7a c\u1ea3 hai<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o v\u1ec7 AC<\/strong><\/td>\n<td>MCB + RCD (k\u1ebft n\u1ed1i l\u01b0\u1edbi)<\/td>\n<td>Ch\u1ec9 MCB (n\u1ebfu l\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n)<\/td>\n<td>MCB + RCD + ATS<\/td>\n<\/tr>\n<tr>\n<td><strong>SPD (Ph\u00eda AC)<\/strong><\/td>\n<td>Lo\u1ea1i 2, 275\/320V MCOV<\/td>\n<td>Lo\u1ea1i 2 (n\u1ebfu c\u00f3 m\u00e1y ph\u00e1t \u0111i\u1ec7n)<\/td>\n<td>Lo\u1ea1i 1+2 ph\u1ed1i h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td><strong>SPD (Ph\u00eda DC)<\/strong><\/td>\n<td>Lo\u1ea1i 2 DC, 1000V<\/td>\n<td>Lo\u1ea1i 2 DC, 600V<\/td>\n<td>Nhi\u1ec1u t\u1ea7ng<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00e1c th\u00e0nh ph\u1ea7n b\u1ed5 sung<\/strong><\/td>\n<td>B\u1ed9 c\u00e1ch ly DC<\/td>\n<td>Ng\u1eaft k\u1ebft n\u1ed1i pin, ATS<\/td>\n<td>T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u tr\u00ean<\/td>\n<\/tr>\n<tr>\n<td><strong>X\u1ebfp h\u1ea1ng bao v\u00e2y<\/strong><\/td>\n<td>IP65 \u0111\u1ecbnh m\u1ee9c ngo\u00e0i tr\u1eddi<\/td>\n<td>IP54 t\u1ed1i thi\u1ec3u (trong nh\u00e0)<\/td>\n<td>IP65 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ea7u v\u00e0o m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/strong><\/td>\n<td>Kh\u00f4ng \u00e1p d\u1ee5ng<\/td>\n<td>MCB AC 16-32A<\/td>\n<td>MCB AC 16-32A + ATS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Kh\u1ea3 N\u0103ng Ph\u00e1 V\u1ee1 Y\u00eau C\u1ea7u<\/h3>\n<p><strong>Chu\u1ed7i PV h\u00f2a l\u01b0\u1edbi:<\/strong> D\u00f2ng ng\u1eafn m\u1ea1ch gi\u1edbi h\u1ea1n b\u1edfi \u0111\u1eb7c t\u00ednh t\u1ea5m pin. \u0110i\u1ec3n h\u00ecnh <strong>Isc = 10-15A m\u1ed7i chu\u1ed7i<\/strong>. MCB DC \u0111\u1ecbnh m\u1ee9c <strong>6kA \u1edf 1000V DC<\/strong> cung c\u1ea5p kh\u1ea3 n\u0103ng c\u1eaft m\u1ea1ch \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<p><strong>M\u1ea1ch pin ngo\u00e0i l\u01b0\u1edbi:<\/strong> D\u00f2ng ng\u1eafn m\u1ea1ch t\u1eeb b\u1ed9 pin c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 <strong>5.000A<\/strong> \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea3ng lithium-ion l\u1edbn. <strong>Kh\u1ea3 n\u0103ng c\u1eaft 25kA \u1edf \u0111i\u1ec7n \u00e1p DC<\/strong> l\u00e0 y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u\u201450kA \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c l\u1eafp \u0111\u1eb7t th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<h3>C\u00e2n nh\u1eafc v\u1ec1 k\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>Lo\u1ea1i m\u1ea1ch<\/th>\n<th>\u00c1p<\/th>\n<th>Hi\u1ec7n h\u00e0nh<\/th>\n<th>K\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn t\u1ed1i thi\u1ec3u<\/th>\n<th>X\u1ebfp h\u1ea1ng c\u00e1ch \u0111i\u1ec7n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Chu\u1ed7i PV h\u00f2a l\u01b0\u1edbi<\/td>\n<td>1000 DC<\/td>\n<td>15A<\/td>\n<td>10 AWG (6mm\u00b2)<\/td>\n<td>\u0110\u1ecbnh m\u1ee9c 1000V DC<\/td>\n<\/tr>\n<tr>\n<td>Pin ngo\u00e0i l\u01b0\u1edbi<\/td>\n<td>48V DC<\/td>\n<td>200A<\/td>\n<td>3\/0 AWG (95mm\u00b2)<\/td>\n<td>\u0110\u1ecbnh m\u1ee9c 600V DC<\/td>\n<\/tr>\n<tr>\n<td>K\u1ebft n\u1ed1i l\u01b0\u1edbi AC<\/td>\n<td>230V xoay chi\u1ec1u<\/td>\n<td>32A<\/td>\n<td>8 AWG (10mm\u00b2)<\/td>\n<td>\u0110\u1ecbnh m\u1ee9c 600V AC<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u v\u00e0o m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/td>\n<td>230V xoay chi\u1ec1u<\/td>\n<td>25A<\/td>\n<td>10 AWG (6mm\u00b2)<\/td>\n<td>\u0110\u1ecbnh m\u1ee9c 600V AC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>T\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau<\/h2>\n<p>C\u00e1c ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c th\u1ea3m kh\u1ed1c kh\u00e1c nhau v\u1ec1 c\u01a1 b\u1ea3n gi\u1eefa c\u00e1c lo\u1ea1i h\u1ec7 th\u1ed1ng:<\/p>\n<p><strong>Ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c h\u00f2a l\u01b0\u1edbi:<\/strong> \u0110\u1ecbnh m\u1ee9c \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ee7 d\u1eabn \u0111\u1ebfn <strong>h\u1ed3 quang \u0111i\u1ec7n<\/strong> trong qu\u00e1 tr\u00ecnh x\u00f3a l\u1ed7i. H\u1ed3 quang duy tr\u00ec b\u00ean trong v\u1ecf c\u1ea7u dao, g\u00e2y ra v\u1ee1 v\u1ecf v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ch\u00e1y.<\/p>\n<p><strong>Ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c ngo\u00e0i l\u01b0\u1edbi:<\/strong> S\u1eed d\u1ee5ng c\u1ea7u dao ph\u00e2n c\u1ef1c trong m\u1ea1ch pin d\u1eabn \u0111\u1ebfn <strong>duy tr\u00ec h\u1ed3 quang ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c<\/strong>\u2014c\u1ea7u dao kh\u00f4ng ng\u1eaft \u0111\u01b0\u1ee3c trong m\u1ed9t chi\u1ec1u d\u00f2ng \u0111i\u1ec7n, d\u1eabn \u0111\u1ebfn h\u00e0n ti\u1ebfp \u0111i\u1ec3m, m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0 ph\u00e1 h\u1ee7y thi\u1ebft b\u1ecb.<\/p>\n<p>\u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng r\u1ee7i ro gi\u1ea3 thuy\u1ebft. D\u1eef li\u1ec7u th\u1ef1c t\u1ebf t\u1eeb c\u00e1c s\u1ef1 c\u1ed1 l\u1eafp \u0111\u1eb7t n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi cho th\u1ea5y:<\/p>\n<ul>\n<li>68% s\u1ed1 v\u1ee5 ch\u00e1y h\u1ed9p ph\u00e2n ph\u1ed1i ngo\u00e0i l\u01b0\u1edbi li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng sai c\u1ea7u dao ph\u00e2n c\u1ef1c<\/li>\n<li>43% s\u1ed1 v\u1ee5 h\u1ed3 quang \u0111i\u1ec7n tr\u00ean l\u01b0\u1edbi b\u1eaft ngu\u1ed3n t\u1eeb \u0111\u1ecbnh m\u1ee9c \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ee7<\/li>\n<li>31% s\u1ed1 v\u1ee5 h\u1ecfng h\u00f3c h\u1ec7 th\u1ed1ng hybrid l\u00e0 do ph\u1ed1i h\u1ee3p SPD kh\u00f4ng \u0111\u00fang c\u00e1ch<\/li>\n<\/ul>\n<h3>C\u00e1ch ti\u1ebfp c\u1eadn theo \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a VIOX<\/h3>\n<p>VIOX Electric s\u1ea3n xu\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng ch\u00ednh x\u00e1c:<\/p>\n<ul>\n<li><strong>D\u00f2ng VXDC-1000:<\/strong> MCB DC ph\u00e2n c\u1ef1c cho chu\u1ed7i PV n\u1ed1i l\u01b0\u1edbi, \u0111\u1ecbnh m\u1ee9c 1000V DC, kh\u1ea3 n\u0103ng c\u1eaft 6kA, d\u1ea3i 1-63A<\/li>\n<li><strong>D\u00f2ng VXDC-NP:<\/strong> MCCB DC kh\u00f4ng ph\u00e2n c\u1ef1c cho m\u1ea1ch pin, \u0111\u1ecbnh m\u1ee9c 250-1000V DC, kh\u1ea3 n\u0103ng c\u1eaft 25-50kA, d\u1ea3i 100-400A<\/li>\n<li><strong>D\u00f2ng VX-ATS:<\/strong> C\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch t\u1ef1 \u0111\u1ed9ng cho h\u1ec7 th\u1ed1ng ngo\u00e0i l\u01b0\u1edbi v\u00e0 h\u1ec7 th\u1ed1ng hybrid, c\u00f4ng su\u1ea5t 16-125A, th\u1eddi gian chuy\u1ec3n m\u1ea1ch &lt;200ms<\/li>\n<li><strong>D\u00f2ng VX-SPD:<\/strong> Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n AC v\u00e0 DC ph\u1ed1i h\u1ee3p v\u1edbi ch\u1ec9 b\u00e1o tr\u1ef1c quan v\u00e0 kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t t\u1eeb xa<\/li>\n<\/ul>\n<p>\u0110\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i cung c\u1ea5p h\u1ed7 tr\u1ee3 l\u1ef1a ch\u1ecdn th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 cho \u1ee9ng d\u1ee5ng, thi\u1ebft k\u1ebf h\u1ed9p ph\u00e2n ph\u1ed1i t\u00f9y ch\u1ec9nh v\u00e0 x\u00e1c minh l\u1eafp \u0111\u1eb7t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 tu\u00e2n th\u1ee7.<\/p>\n<h2>Nh\u1eefng C\u00e2u H\u1ecfi Th\u01b0\u1eddng<\/h2>\n<h3>T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t h\u1ed9p ph\u00e2n ph\u1ed1i cho c\u1ea3 h\u1ec7 th\u1ed1ng h\u00f2a l\u01b0\u1edbi v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ed9c l\u1eadp kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. C\u1ea5u h\u00ecnh \u0111i\u1ec7n \u00e1p\/d\u00f2ng \u0111i\u1ec7n, lo\u1ea1i c\u1ea7u dao v\u00e0 tri\u1ebft l\u00fd b\u1ea3o v\u1ec7 l\u00e0 ho\u00e0n to\u00e0n kh\u00e1c nhau. H\u1ed9p h\u00f2a l\u01b0\u1edbi s\u1eed d\u1ee5ng c\u1ea7u dao ph\u00e2n c\u1ef1c \u0111i\u1ec7n \u00e1p cao (1000V) \u0111\u1ecbnh m\u1ee9c 10-20A. H\u1ed9p \u0111\u1ed9c l\u1eadp y\u00eau c\u1ea7u c\u1ea7u dao kh\u00f4ng ph\u00e2n c\u1ef1c \u0111\u1ecbnh m\u1ee9c 100-400A \u1edf \u0111i\u1ec7n \u00e1p th\u1ea5p h\u01a1n. S\u1eed d\u1ee5ng sai h\u1ed9p ph\u00e2n ph\u1ed1i c\u00f3 nguy c\u01a1 g\u00e2y ra l\u1ed7i b\u1ea3o v\u1ec7 v\u00e0 nguy c\u01a1 h\u1ecfa ho\u1ea1n.<\/p>\n<h3>T\u1ea1i sao c\u00e1c h\u1ec7 th\u1ed1ng ngo\u00e0i l\u01b0\u1edbi \u0111i\u1ec7n c\u1ea7n \u0111\u1ebfn c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch DC kh\u00f4ng ph\u00e2n c\u1ef1c?<\/h3>\n<p>M\u1ea1ch pin ho\u1ea1t \u0111\u1ed9ng v\u1edbi d\u00f2ng \u0111i\u1ec7n hai chi\u1ec1u\u2014d\u00f2ng \u0111i\u1ec7n ch\u1ea1y V\u00c0O pin trong qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 RA trong qu\u00e1 tr\u00ecnh x\u1ea3. Aptomat ph\u00e2n c\u1ef1c ch\u1ec9 c\u00f3 th\u1ec3 ng\u1eaft d\u00f2ng \u0111i\u1ec7n m\u1ed9t c\u00e1ch an to\u00e0n theo m\u1ed9t h\u01b0\u1edbng. Khi d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 ch\u1ea1y ng\u01b0\u1ee3c c\u1ef1c, c\u01a1 ch\u1ebf d\u1eadp h\u1ed3 quang c\u1ee7a aptomat s\u1ebd kh\u00f4ng th\u00e0nh c\u00f4ng, d\u1eabn \u0111\u1ebfn h\u1ed3 quang k\u00e9o d\u00e0i v\u00e0 h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng. <a href=\"https:\/\/test.viox.com\/vi\/why-use-non-polarized-dc-miniature-circuit-breakers-in-pv-storage-systems\/\">B\u1ed9 ng\u1eaft m\u1ea1ch DC kh\u00f4ng ph\u00e2n c\u1ef1c<\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c bu\u1ed3ng d\u1eadp h\u1ed3 quang \u0111\u1ed1i x\u1ee9ng ho\u1ea1t \u0111\u1ed9ng b\u1ea5t k\u1ec3 h\u01b0\u1edbng d\u00f2ng \u0111i\u1ec7n.<\/p>\n<h3>\u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu t\u00f4i s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch ph\u00e2n c\u1ef1c trong m\u1ea1ch pin?<\/h3>\n<p>Trong \u0111i\u1ec1u ki\u1ec7n d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c chi\u1ec1u (ng\u01b0\u1ee3c v\u1edbi c\u1ef1c t\u00ednh \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u tr\u00ean b\u1ed9 ng\u1eaft m\u1ea1ch), cu\u1ed9n d\u00e2y d\u1eadp h\u1ed3 quang t\u1eeb t\u00ednh \u0111\u1ea9y h\u1ed3 quang theo h\u01b0\u1edbng sai, v\u00e0 h\u00ecnh d\u1ea1ng m\u00e1ng d\u1eadp h\u1ed3 quang ho\u1ea1t \u0111\u1ed9ng ng\u01b0\u1ee3c l\u1ea1i. K\u1ebft qu\u1ea3: h\u1ed3 quang duy tr\u00ec thay v\u00ec d\u1eadp t\u1eaft, c\u00e1c ti\u1ebfp \u0111i\u1ec3m qu\u00e1 n\u00f3ng, v\u1ecf b\u1ed9 ng\u1eaft m\u1ea1ch n\u00f3ng ch\u1ea3y v\u00e0 g\u00e2y ra h\u1ecfa ho\u1ea1n. \u0110\u00e2y l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y ra l\u1ed7i h\u1ed9p ph\u00e2n ph\u1ed1i \u0111i\u1ec7n ngo\u00e0i l\u01b0\u1edbi.<\/p>\n<h3>T\u00f4i c\u00f3 c\u1ea7n c\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch t\u1ef1 \u0111\u1ed9ng cho c\u00e1c h\u1ec7 th\u1ed1ng ngo\u00e0i l\u01b0\u1edbi \u0111i\u1ec7n kh\u00f4ng?<\/h3>\n<p>ATS r\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c h\u1ec7 th\u1ed1ng ngo\u00e0i l\u01b0\u1edbi c\u00f3 m\u00e1y ph\u00e1t \u0111i\u1ec7n d\u1ef1 ph\u00f2ng. N\u00f3 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n t\u1ea3i gi\u1eefa bi\u1ebfn t\u1ea7n v\u00e0 ngu\u1ed3n m\u00e1y ph\u00e1t \u0111i\u1ec7n khi pin c\u1ea1n ki\u1ec7t. C\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch b\u1eb1ng tay (MTS) l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf chi ph\u00ed th\u1ea5p h\u01a1n nh\u01b0ng y\u00eau c\u1ea7u s\u1ef1 can thi\u1ec7p c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh. C\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng c\u00f3 m\u00e1y ph\u00e1t \u0111i\u1ec7n d\u1ef1 ph\u00f2ng kh\u00f4ng c\u1ea7n ATS. \u0110\u1ec3 so s\u00e1nh chi ti\u1ebft, h\u00e3y xem h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/test.viox.com\/vi\/automatic-transfer-switch-vs-interlock-kit\/\">c\u00f4ng t\u1eafc chuy\u1ec3n m\u1ea1ch t\u1ef1 \u0111\u1ed9ng so v\u1edbi b\u1ed9 li\u00ean kh\u00f3a<\/a>.<\/p>\n<h3>Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi SPD kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o gi\u1eefa h\u1ec7 th\u1ed1ng n\u1ed1i l\u01b0\u1edbi v\u00e0 h\u1ec7 th\u1ed1ng ngo\u00e0i l\u01b0\u1edbi?<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng n\u1ed1i l\u01b0\u1edbi s\u1eed d\u1ee5ng SPD AC Lo\u1ea1i 2 t\u1ea1i \u0111i\u1ec3m k\u1ebft n\u1ed1i l\u01b0\u1edbi \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 \u0111\u1ed9t bi\u1ebfn do ti\u1ec7n \u00edch g\u00e2y ra. C\u00e1c h\u1ec7 th\u1ed1ng ngo\u00e0i l\u01b0\u1edbi \u01b0u ti\u00ean SPD DC t\u1ea1i \u0111\u1ea7u v\u00e0o m\u1ea3ng PV \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u00e9t tr\u00ean c\u00e1p m\u1ea3ng, v\u00ec h\u1ec7 th\u1ed1ng kh\u00f4ng c\u00f3 tham chi\u1ebfu \u0111\u1ea5t ti\u1ec7n \u00edch. Ki\u1ebfn tr\u00fac n\u1ed1i \u0111\u1ea5t (n\u1ed1i \u0111\u1ea5t ch\u1eafc ch\u1eafn so v\u1edbi th\u1ea3 n\u1ed5i) x\u00e1c \u0111\u1ecbnh xem SPD ch\u1ebf \u0111\u1ed9 chung hay ch\u1ebf \u0111\u1ed9 vi sai l\u00e0 ph\u00f9 h\u1ee3p. Xem: <a href=\"https:\/\/test.viox.com\/vi\/how-to-choose-the-right-spd-for-your-solar-power-system\/\">C\u00e1ch ch\u1ecdn SPD ph\u00f9 h\u1ee3p<\/a>.<\/p>\n<h3>T\u00f4i c\u1ea7n kh\u1ea3 n\u0103ng c\u1eaft m\u1ea1ch (breaking capacity) l\u00e0 bao nhi\u00eau cho c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch (breakers) ng\u1eaft k\u1ebft n\u1ed1i \u1eafc quy?<\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch c\u1ee7a pin c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 5.000A \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 pin lithium-ion l\u1edbn. Kh\u1ea3 n\u0103ng c\u1eaft t\u1ed1i thi\u1ec3u: <strong>25kA \u1edf \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng DC<\/strong>. C\u00e1c c\u00e0i \u0111\u1eb7t th\u01b0\u01a1ng m\u1ea1i n\u00ean ch\u1ec9 \u0111\u1ecbnh 50kA. Kh\u1ea3 n\u0103ng c\u1eaft ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c minh \u1edf \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng DC th\u1ef1c t\u1ebf\u2014aptomat \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 \u201c25kA \u1edf 220V AC\u201d c\u00f3 th\u1ec3 ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng 10kA \u1edf 48V DC. Lu\u00f4n x\u00e1c minh x\u1ebfp h\u1ea1ng kh\u1ea3 n\u0103ng c\u1eaft c\u1ee5 th\u1ec3 theo \u0111i\u1ec7n \u00e1p DC.<\/p>\n<hr style=\"margin: 30px 0; border: 0; border-top: 1px solid #ddd;\" \/>\n<p><strong>VIOX \u0110i\u1ec7n<\/strong> cung c\u1ea5p h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt to\u00e0n di\u1ec7n cho vi\u1ec7c l\u1ef1a ch\u1ecdn th\u00e0nh ph\u1ea7n h\u1ed9p ph\u00e2n ph\u1ed1i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t c\u1ee5 th\u1ec3 cho \u1ee9ng d\u1ee5ng, thi\u1ebft k\u1ebf h\u1ed9p ph\u00e2n ph\u1ed1i t\u00f9y ch\u1ec9nh v\u00e0 ki\u1ec3m tra nghi\u1ec7m thu t\u1ea1i nh\u00e0 m\u00e1y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e0i \u0111\u1eb7t c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong su\u1ed1t v\u00f2ng \u0111\u1eddi thi\u1ebft k\u1ebf 25 n\u0103m c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 259.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 259.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1954.68px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1954.68px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4925.95px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4925.95px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Why Component Selection Determines System Safety Improper protection component selection in solar distribution boxes is the leading cause of arc flash incidents, protection system failures, and electrical fires in photovoltaic installations. The fundamental mistake? Treating on-grid and off-grid distribution boxes as interchangeable when they operate under completely different electrical characteristics\u2014high voltage versus high current, unidirectional [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21223,"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-21222","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\/21222","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=21222"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21222\/revisions"}],"predecessor-version":[{"id":21224,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21222\/revisions\/21224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/21223"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=21222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=21222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=21222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}