{"id":20988,"date":"2025-12-26T09:25:14","date_gmt":"2025-12-26T01:25:14","guid":{"rendered":"https:\/\/viox.com\/?p=20988"},"modified":"2025-12-26T09:25:16","modified_gmt":"2025-12-26T01:25:16","slug":"interrupt-rating-vs-load-break-rating-pv-safety","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/interrupt-rating-vs-load-break-rating-pv-safety\/","title":{"rendered":"Kh\u1ea3 n\u0103ng c\u1eaft d\u00f2ng ng\u1eafn m\u1ea1ch so v\u1edbi kh\u1ea3 n\u0103ng c\u1eaft t\u1ea3i: T\u1ea1i sao b\u1ea1n kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng c\u1ea7u ch\u00ec nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc (H\u01b0\u1edbng d\u1eabn theo NEC 690.16)"},"content":{"rendered":"<div class=\"product-intro\">\n<p>Trong th\u1ebf gi\u1edbi an to\u00e0n \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p \u0111\u1ea7y r\u1ee7i ro, m\u1ed9t quan ni\u1ec7m sai l\u1ea7m nguy hi\u1ec3m v\u1eabn t\u1ed3n t\u1ea1i gi\u1eefa c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean v\u00e0 nh\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng. N\u00f3 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec t\u1ea1i ch\u1ed7 tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n (PV): m\u1ed9t th\u1ee3 \u0111i\u1ec7n c\u1ea7n b\u1ea3o d\u01b0\u1ee1ng bi\u1ebfn t\u1ea7n ho\u1eb7c ki\u1ec3m tra m\u1ed9t chu\u1ed7i. Khi th\u1ea5y m\u1ed9t <strong>gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec<\/strong> \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho Kh\u1ea3 n\u0103ng c\u1eaft d\u00f2ng l\u1edbn 10.000 Ampe (AIC), h\u1ecd cho r\u1eb1ng vi\u1ec7c t\u1ef1 tay k\u00e9o h\u1edf gi\u00e1 \u0111\u1ee1 \u0111\u1ec3 c\u1eaft d\u00f2ng t\u1ea3i ch\u1ec9 10 Ampe l\u00e0 an to\u00e0n.<\/p>\n<p>Logic n\u00e0y c\u00f3 v\u1ebb h\u1ee3p l\u00fd tr\u00ean b\u1ec1 m\u1eb7t: <em>\u201cN\u1ebfu thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 x\u1eed l\u00fd s\u1ef1 c\u1ed1 \u0111o\u1ea3n m\u1ea1ch 10.000A th\u1ea3m kh\u1ed1c, th\u00ec ch\u1eafc ch\u1eafn n\u00f3 c\u00f3 th\u1ec3 x\u1eed l\u00fd t\u1ea3i ho\u1ea1t \u0111\u1ed9ng nh\u1ecf 10A.\u201d<\/em><\/p>\n<p>Logic n\u00e0y kh\u00f4ng ch\u1ec9 sai s\u00f3t; n\u00f3 c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y t\u1eed vong. T\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 n\u00e0y, th\u01b0\u1eddng \u0111\u01b0\u1ee3c tranh lu\u1eadn trong c\u00e1c di\u1ec5n \u0111\u00e0n chuy\u00ean m\u00f4n nh\u01b0 di\u1ec5n \u0111\u00e0n \u0111i\u1ec7n Mike Holt, l\u00e0m n\u1ed5i b\u1eadt s\u1ef1 nh\u1ea7m l\u1eabn c\u01a1 b\u1ea3n gi\u1eefa hai \u0111\u1ecbnh m\u1ee9c k\u1ef9 thu\u1eadt quan tr\u1ecdng: <strong>\u0110\u1ecbnh m\u1ee9c c\u1eaft (Interrupt Rating)<\/strong> v\u00e0 <strong>\u0110\u1ecbnh m\u1ee9c c\u1eaft t\u1ea3i (Load Break Rating)<\/strong>. Trong khi c\u1ea7u ch\u00ec b\u00ean trong l\u00e0 m\u1ed9t k\u1ef3 quan v\u1eadt l\u00fd c\u00f3 kh\u1ea3 n\u0103ng d\u1eadp t\u1eaft m\u1ed9t s\u1ef1 c\u1ed1 l\u1edbn, th\u00ec b\u1ea3n th\u00e2n gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec th\u01b0\u1eddng ch\u1ec9 l\u00e0 m\u1ed9t k\u1eb9p c\u01a1 kh\u00ed.<\/p>\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua B2B v\u00e0 c\u00e1c k\u1ef9 s\u01b0 ch\u1ec9 \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n cho b\u1ed9 k\u1ebft h\u1ee3p n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i DC, vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 tu\u00e2n th\u1ee7 NEC\u2014m\u00e0 c\u00f2n l\u00e0 ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 h\u1ed3 quang \u0111i\u1ec7n c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y thi\u1ebft b\u1ecb v\u00e0 g\u00e2y th\u01b0\u01a1ng t\u00edch cho nh\u00e2n vi\u00ean. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y s\u1ebd m\u1ed5 x\u1ebb c\u00e1c kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt, kh\u00e1m ph\u00e1 v\u1eadt l\u00fd c\u1ee7a h\u1ed3 quang DC v\u00e0 v\u1ea1ch ra c\u00e1ch c\u00e1c gi\u1ea3i ph\u00e1p c\u1ee7a VIOX Electric \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 NEC 690.16.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Photorealistic-industrial-close-up-of-a-VIOX-branded-DC-fuse-holder-and-disconnect-switch-mounted-on-a-DIN-rail-emphasizing-the.webp\" alt=\"Photorealistic industrial close-up of a VIOX branded DC fuse holder and disconnect switch mounted on a DIN rail\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 1: C\u1eadn c\u1ea3nh DC VIOX <a href=\"https:\/\/test.viox.com\/vi\/the-complete-guide-to-fuse-holders\/\">gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec<\/a> v\u00e0 c\u00f4ng t\u1eafc ng\u1eaft k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean thanh ray DIN, nh\u1ea5n m\u1ea1nh c\u00e1c t\u00ednh n\u0103ng thi\u1ebft k\u1ebf an to\u00e0n.<\/figcaption><\/figure>\n<h2>\u0110\u1ecbnh m\u1ee9c c\u1eaft (AIC) so v\u1edbi \u0110\u1ecbnh m\u1ee9c c\u1eaft t\u1ea3i: Kho\u1ea3ng c\u00e1ch v\u1ec1 thu\u1eadt ng\u1eef<\/h2>\n<p>\u0110\u1ec3 ch\u1ecdn \u0111\u00fang <strong>gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec<\/strong> cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n, tr\u01b0\u1edbc ti\u00ean b\u1ea1n ph\u1ea3i ph\u00e2n bi\u1ec7t gi\u1eefa kh\u1ea3 n\u0103ng c\u1ee7a c\u1ea7u ch\u00ec ti\u00eau hao v\u00e0 gi\u00e1 \u0111\u1ee1 c\u01a1 kh\u00ed gi\u1eef n\u00f3. \u0110\u00e2y l\u00e0 hai thi\u1ebft b\u1ecb ri\u00eang bi\u1ec7t v\u1edbi hai ch\u1ee9c n\u0103ng ri\u00eang bi\u1ec7t, th\u01b0\u1eddng b\u1ecb l\u1eabn l\u1ed9n v\u00ec ch\u00fang \u0111\u01b0\u1ee3c b\u00e1n nh\u01b0 m\u1ed9t b\u1ed9.<\/p>\n<h3>1. \u0110\u1ecbnh m\u1ee9c c\u1eaft (AIC \/ AIR)<\/h3>\n<ul>\n<li><strong>\u0110\u1ed1i t\u01b0\u1ee3ng:<\/strong> C\u1ea7u ch\u00ec (\u1ed1ng m\u1ef1c ti\u00eau hao).<\/li>\n<li><strong>\u0110\u1ecbnh ngh\u0129a:<\/strong> Kh\u1ea3 n\u0103ng c\u1eaft d\u00f2ng \u0111i\u1ec7n (AIC) l\u00e0 d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 t\u1ed1i \u0111a m\u00e0 c\u1ea7u ch\u00ec c\u00f3 th\u1ec3 c\u1eaft m\u1ed9t c\u00e1ch an to\u00e0n m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1, n\u1ed5 ho\u1eb7c cho ph\u00e9p h\u1ed3 quang \u0111i\u1ec7n \u0111i v\u00f2ng qua v\u1ecf.<\/li>\n<li><strong>C\u01a1 ch\u1ebf:<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a l\u00fd th\u1ee5 \u0111\u1ed9ng. B\u00ean trong m\u1ed9t c\u1ea7u ch\u00ec DC ch\u1ea5t l\u01b0\u1ee3ng cao, m\u1ed9t ph\u1ea7n t\u1eed b\u1ea1c \u0111\u01b0\u1ee3c bao quanh b\u1edfi c\u00e1t silica. Khi x\u1ea3y ra \u0111o\u1ea3n m\u1ea1ch l\u1edbn (v\u00ed d\u1ee5: 20kA), ph\u1ea7n t\u1eed n\u00e0y b\u1ed1c h\u01a1i ngay l\u1eadp t\u1ee9c. C\u00e1t n\u00f3ng ch\u1ea3y th\u00e0nh th\u1ee7y tinh (fulgurite), h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 d\u1eadp t\u1eaft h\u1ed3 quang b\u00ean trong \u1ed1ng g\u1ed1m k\u00edn.<\/li>\n<li><strong>Gi\u1edbi h\u1ea1n:<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n m\u1ed9t l\u1ea7n. C\u1ea7u ch\u00ec hy sinh \u0111\u1ec3 c\u1ee9u m\u1ea1ch \u0111i\u1ec7n. N\u00f3 kh\u00f4ng y\u00eau c\u1ea7u c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng ho\u1eb7c thao t\u00e1c th\u1ee7 c\u00f4ng.<\/li>\n<\/ul>\n<h3>2. \u0110\u1ecbnh m\u1ee9c c\u1eaft t\u1ea3i (Kh\u1ea3 n\u0103ng chuy\u1ec3n m\u1ea1ch)<\/h3>\n<ul>\n<li><strong>\u0110\u1ed1i t\u01b0\u1ee3ng:<\/strong> Gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec ho\u1eb7c C\u00f4ng t\u1eafc ng\u1eaft k\u1ebft n\u1ed1i (C\u01a1 ch\u1ebf th\u1ee7 c\u00f4ng).<\/li>\n<li><strong>\u0110\u1ecbnh ngh\u0129a:<\/strong> \u0110\u00e2y l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ec3 d\u1eadp t\u1eaft an to\u00e0n m\u1ed9t h\u1ed3 quang \u0111i\u1ec7n <em>trong khi<\/em> c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111ang \u0111\u01b0\u1ee3c t\u00e1ch r\u1eddi c\u01a1 h\u1ecdc b\u1edfi m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh trong \u0111i\u1ec1u ki\u1ec7n t\u1ea3i b\u00ecnh th\u01b0\u1eddng.<\/li>\n<li><strong>C\u01a1 ch\u1ebf:<\/strong> \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi c\u00e1c t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt ch\u1ee7 \u0111\u1ed9ng nh\u01b0 t\u00e1c \u0111\u1ed9ng nhanh b\u1eb1ng l\u00f2 xo (\u0111\u1ec3 t\u00e1ch c\u00e1c ti\u1ebfp \u0111i\u1ec3m nhanh h\u01a1n t\u1ed1c \u0111\u1ed9 tay c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh) v\u00e0 m\u00e1ng d\u1eadp h\u1ed3 quang (c\u00e1c t\u1ea5m kim lo\u1ea1i chia v\u00e0 l\u00e0m m\u00e1t h\u1ed3 quang).<\/li>\n<li><strong>\u73b0\u5b9e\uff1a<\/strong> M\u1ed9t ti\u00eau chu\u1ea9n <strong>gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec an to\u00e0n khi ch\u1ea1m v\u00e0o<\/strong> th\u01b0\u1eddng c\u00f3 <strong>zero<\/strong> \u0111\u1ecbnh m\u1ee9c c\u1eaft t\u1ea3i. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1ec9 \u0111\u1ec3 gi\u1eef c\u1ea7u ch\u00ec t\u1ea1i ch\u1ed7.<\/li>\n<\/ul>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Th\u00e0nh ph\u1ea7n v\u00e0 \u0110i\u1ec1u khi\u1ec3n<\/h3>\n<p>G\u1ed1c r\u1ec5 c\u1ee7a s\u1ef1 nguy hi\u1ec3m n\u1eb1m \u1edf vi\u1ec7c coi m\u1ed9t \u201cth\u00e0nh ph\u1ea7n\u201d (gi\u00e1 \u0111\u1ee1) nh\u01b0 m\u1ed9t \u201c\u0111i\u1ec1u khi\u1ec3n\u201d (c\u00f4ng t\u1eafc). Gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 duy tr\u00ec \u00e1p su\u1ea5t ti\u1ebfp x\u00fac \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111i\u1ec7n tr\u1edf v\u00e0 nhi\u1ec7t. N\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 qu\u1ea3n l\u00fd h\u1ed3 quang plasma h\u00ecnh th\u00e0nh khi c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111\u00f3 b\u1ecb t\u00e1ch r\u1eddi khi d\u00f2ng \u0111i\u1ec7n \u0111ang ch\u1ea1y.<\/p>\n<h3>So s\u00e1nh: Kh\u1ea3 n\u0103ng c\u1eaft so v\u1edbi Kh\u1ea3 n\u0103ng c\u1eaft t\u1ea3i<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>N\u0103ng<\/th>\n<th>\u0110\u1ecbnh m\u1ee9c c\u1eaft (AIC)<\/th>\n<th>\u0110\u1ecbnh m\u1ee9c c\u1eaft t\u1ea3i (Load Break Rating)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Th\u00e0nh ph\u1ea7n ch\u00ednh<\/strong><\/td>\n<td>C\u1ea7u ch\u00ec (Ph\u1ea7n t\u1eed b\u00ean trong)<\/td>\n<td>C\u01a1 ch\u1ebf C\u00f4ng t\u1eafc\/Gi\u00e1 \u0111\u1ee1<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ee9c n\u0103ng<\/strong><\/td>\n<td>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111o\u1ea3n m\u1ea1ch\/s\u1ef1 c\u1ed1<\/td>\n<td>C\u00e1ch ly ho\u1eb7c chuy\u1ec3n m\u1ea1ch t\u1ea3i theo c\u00e1ch th\u1ee7 c\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td><strong>Gi\u00e1 tr\u1ecb DC \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\n<td>10kA, 20kA, l\u00ean \u0111\u1ebfn 50kA<\/td>\n<td>0A (\u0111\u1ed1i v\u1edbi gi\u00e1 \u0111\u1ee1 ti\u00eau chu\u1ea9n) \u0111\u1ebfn D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c<\/td>\n<\/tr>\n<tr>\n<td><strong>Lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng<\/strong><\/td>\n<td>T\u1ef1 \u0111\u1ed9ng (Nhi\u1ec7t\/T\u1eeb)<\/td>\n<td>Th\u1ee7 c\u00f4ng (Tay c\u1ea7m\/C\u1ea7n g\u1ea1t)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ed1ng h\u1ed3 quang<\/strong><\/td>\n<td>\u0110\u00f3ng g\u00f3i c\u00e1t silica<\/td>\n<td>M\u00e1ng d\u1eadp h\u1ed3 quang, c\u01a1 ch\u1ebf l\u00f2 xo, khe h\u1edf kh\u00f4ng kh\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>M\u1ee5c \u0111\u00edch thi\u1ebft k\u1ebf<\/strong><\/td>\n<td>B\u1ea3o v\u1ec7 ch\u1ed1ng s\u1ef1 c\u1ed1 th\u1ea3m kh\u1ed1c<\/td>\n<td>C\u00e1ch ly b\u1ea3o tr\u00ec &amp; chuy\u1ec3n m\u1ea1ch ch\u1ee9c n\u0103ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>V\u1eadt l\u00fd c\u1ee7a s\u1ef1 nguy hi\u1ec3m: T\u1ea1i sao h\u1ed3 quang DC l\u1ea1i \u201cd\u00ednh\u201d<\/h2>\n<p>T\u1ea1i sao b\u1ea1n c\u00f3 th\u1ec3 r\u00fat ph\u00edch c\u1eafm m\u00e1y h\u00fat b\u1ee5i (AC) khi n\u00f3 \u0111ang ch\u1ea1y m\u00e0 kh\u00f4ng g\u00e2y n\u1ed5, nh\u01b0ng k\u00e9o gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec DC d\u01b0\u1edbi t\u1ea3i l\u1ea1i t\u1ea1o ra m\u1ed9t qu\u1ea3 c\u1ea7u l\u1eeda? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf s\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n gi\u1eefa D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (AC) v\u00e0 D\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC).<\/p>\n<h3>L\u01b0\u1edbi an to\u00e0n c\u1eaft ngang \u0111i\u1ec3m kh\u00f4ng c\u1ee7a AC<\/h3>\n<p>Trong h\u1ec7 th\u1ed1ng AC (60Hz), \u0111i\u1ec7n \u00e1p t\u1ef1 nhi\u00ean gi\u1ea3m xu\u1ed1ng 0 120 l\u1ea7n m\u1ed7i gi\u00e2y. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cc\u1eaft ngang \u0111i\u1ec3m kh\u00f4ng\u201d. N\u1ebfu b\u1ea1n m\u1edf m\u1ed9t c\u00f4ng t\u1eafc v\u00e0 m\u1ed9t h\u1ed3 quang h\u00ecnh th\u00e0nh, h\u1ed3 quang s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u1eaft sau m\u1ed9t ph\u1ea7n ngh\u00ecn gi\u00e2y khi \u0111i\u1ec7n \u00e1p \u0111\u1ea1t \u0111\u1ebfn 0. Kh\u00f4ng kh\u00ed ngu\u1ed9i \u0111i, qu\u00e1 tr\u00ecnh ion h\u00f3a d\u1eebng l\u1ea1i v\u00e0 m\u1ea1ch \u0111i\u1ec7n ng\u1eaft m\u1ed9t c\u00e1ch s\u1ea1ch s\u1ebd.<\/p>\n<h3>\u201cNg\u1ecdn l\u1eeda li\u00ean t\u1ee5c\u201d DC\u201d<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng tr\u00ean DC \u0111i\u1ec7n \u00e1p cao (th\u01b0\u1eddng l\u00e0 600V, 1000V ho\u1eb7c 1500V). \u0110i\u1ec7n \u00e1p DC kh\u00f4ng bao gi\u1edd v\u01b0\u1ee3t qua s\u1ed1 kh\u00f4ng; n\u00f3 \u0111\u1ea9y d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c v\u00e0 kh\u00f4ng ng\u1eebng.<br \/>\nKhi m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean k\u00e9o h\u1edf m\u1ed9t <strong>gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec<\/strong>:<\/p>\n<ol>\n<li><strong>Ion h\u00f3a:<\/strong> Khi c\u00e1c ti\u1ebfp \u0111i\u1ec3m kim lo\u1ea1i t\u00e1ch r\u1eddi, \u0111i\u1ec7n \u00e9p qua khe h\u1edf kh\u00f4ng kh\u00ed, ion h\u00f3a c\u00e1c ph\u00e2n t\u1eed nit\u01a1 v\u00e0 oxy th\u00e0nh plasma.<\/li>\n<li><strong>Duy tr\u00ec:<\/strong> V\u00ec kh\u00f4ng c\u00f3 \u0111i\u1ec3m c\u1eaft ngang b\u1eb1ng kh\u00f4ng \u0111\u1ec3 cho kh\u00f4ng kh\u00ed \u201cth\u1edf\u201d, h\u1ed3 quang t\u1ef1 duy tr\u00ec. N\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u1ea7u d\u1eabn \u0111i\u1ec7n c\u1ee7a plasma si\u00eau n\u00f3ng (l\u00ean \u0111\u1ebfn 19.000\u00b0C \/ 35.000\u00b0F).<\/li>\n<li><strong>Hi\u1ec7u \u1ee9ng \u201cK\u1eb9o m\u1ea1ch nha\u201d:<\/strong> H\u1ed3 quang DC ho\u1ea1t \u0111\u1ed9ng nh\u01b0 k\u1eb9o taffy d\u00ednh. B\u1ea1n c\u00f3 th\u1ec3 k\u00e9o c\u00e1c ti\u1ebfp \u0111i\u1ec3m ra xa v\u00e0i inch, v\u00e0 h\u1ed3 quang s\u1ebd k\u00e9o d\u00e0i v\u00e0 gi\u1eef, l\u00e0m tan ch\u1ea3y v\u1ecf nh\u1ef1a c\u1ee7a h\u1ed9p gi\u1eef c\u1ea7u ch\u00ec v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng nh\u1ea5n ch\u00ecm tay c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/li>\n<\/ol>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/AC-vs-DC-Arc-Characteristics-Technical-Diagram---VIOX.webp\" alt=\"Technical diagram illustrating the difference between AC and DC waveforms during circuit interruption\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 2: \u0110\u1eb7c t\u00ednh H\u1ed3 quang AC so v\u1edbi DC. B\u00ean tr\u00e1i cho th\u1ea5y AC t\u1ef1 d\u1eadp t\u1eaft t\u1ef1 nhi\u00ean t\u1ea1i \u0111i\u1ec3m giao nhau b\u1eb1ng kh\u00f4ng, trong khi b\u00ean ph\u1ea3i th\u1ec3 hi\u1ec7n s\u1ef1 nguy hi\u1ec3m c\u1ee7a h\u1ed3 quang DC duy tr\u00ec trong h\u1ed9p gi\u1eef c\u1ea7u ch\u00ec ti\u00eau chu\u1ea9n.<\/figcaption><\/figure>\n<h2>NEC 690.16: Ti\u00eau chu\u1ea9n c\u1ee9u s\u1ed1ng<\/h2>\n<p>B\u1ed9 lu\u1eadt \u0110i\u1ec7n Qu\u1ed1c gia (NEC) \u0111\u00e3 nh\u1eadn ra m\u1ed1i nguy hi\u1ec3m n\u00e0y t\u1eeb s\u1edbm trong vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c m\u1ea3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111i\u1ec7n \u00e1p cao. NEC \u0110i\u1ec1u 690.16 \u0111\u1eb7c bi\u1ec7t \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u201cB\u1ea3o tr\u00ec C\u1ea7u ch\u00ec\u201d \u0111\u1ec3 ng\u0103n k\u1ef9 thu\u1eadt vi\u00ean s\u1eed d\u1ee5ng h\u1ed9p gi\u1eef c\u1ea7u ch\u00ec nh\u01b0 c\u00f4ng t\u1eafc \u1ee9ng bi\u1ebfn.<\/p>\n<h3>Y\u00eau c\u1ea7u NEC 690.16(B): \u201cC\u00e1ch ly, Sau \u0111\u00f3 M\u1edf\u201d<\/h3>\n<p>B\u1ed9 lu\u1eadt quy \u0111\u1ecbnh r\u1eb1ng c\u1ea7u ch\u00ec trong m\u1ea1ch ngu\u1ed3n PV (tr\u00ean 30V) ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ng\u1eaft k\u1ebft n\u1ed1i kh\u1ecfi t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n cung c\u1ea5p. Tuy nhi\u00ean, s\u1eafc th\u00e1i quan tr\u1ecdng n\u1eb1m \u1edf <em>l\u00e0m th\u1ebf n\u00e0o<\/em> vi\u1ec7c ng\u1eaft k\u1ebft n\u1ed1i \u0111\u00f3 x\u1ea3y ra.<\/p>\n<p>N\u1ebfu m\u1ed9t <strong>gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec<\/strong> kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cho ho\u1ea1t \u0111\u1ed9ng ng\u1eaft t\u1ea3i (m\u00e0 h\u1ea7u h\u1ebft kh\u00f4ng ph\u1ea3i v\u1eady), NEC y\u00eau c\u1ea7u m\u1ed9t trong c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n sau:<\/p>\n<ol>\n<li><strong>C\u00e1ch ly Ng\u01b0\u1ee3c d\u00f2ng (Gi\u1ea3i ph\u00e1p Ti\u00eau chu\u1ea9n):<\/strong> M\u1ed9t C\u00f4ng t\u1eafc Ng\u1eaft k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c \u0110\u00e1nh gi\u00e1 Ng\u1eaft T\u1ea3i ri\u00eang bi\u1ec7t ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u1ec3 c\u00e1ch ly h\u1ed9p gi\u1eef c\u1ea7u ch\u00ec. Quy tr\u00ecnh tr\u1edf th\u00e0nh:\n<ul>\n<li>B\u01b0\u1edbc 1: M\u1edf C\u00f4ng t\u1eafc Ng\u1eaft T\u1ea3i (ng\u1eaft d\u00f2ng \u0111i\u1ec7n).<\/li>\n<li>B\u01b0\u1edbc 2: M\u1edf H\u1ed9p gi\u1eef C\u1ea7u ch\u00ec (c\u00e1ch ly an to\u00e0n).<\/li>\n<\/ul>\n<\/li>\n<li><strong>Thi\u1ebft k\u1ebf Kh\u00f3a li\u00ean \u0111\u1ed9ng:<\/strong> Thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng h\u1ed9p gi\u1eef c\u1ea7u ch\u00ec \u0111\u01b0\u1ee3c kh\u00f3a li\u00ean \u0111\u1ed9ng c\u01a1 h\u1ecdc v\u1edbi c\u00f4ng t\u1eafc, sao cho kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn c\u1ea7u ch\u00ec tr\u1eeb khi c\u00f4ng t\u1eafc \u1edf v\u1ecb tr\u00ed \u201cT\u1eaeT\u201d.<\/li>\n<li><strong>Y\u00eau c\u1ea7u C\u00f4ng c\u1ee5:<\/strong> H\u1ed9p gi\u1eef c\u1ea7u ch\u00ec y\u00eau c\u1ea7u m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ec3 m\u1edf. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n ho\u1ea1t \u0111\u1ed9ng \u201cb\u1ed1c \u0111\u1ed3ng\u201d b\u1eb1ng tay, bu\u1ed9c k\u1ef9 thu\u1eadt vi\u00ean ph\u1ea3i t\u1ea1m d\u1eebng v\u00e0 hy v\u1ecdng tu\u00e2n theo c\u00e1c quy tr\u00ecnh kh\u00f3a\/g\u1eafn th\u1ebb (LOTO) th\u00edch h\u1ee3p.<\/li>\n<\/ol>\n<h3>S\u1ef1 Ti\u1ebfn h\u00f3a c\u1ee7a \u201cAn to\u00e0n khi Ch\u1ea1m\u201d<\/h3>\n<p>C\u00e1c h\u1ed9p gi\u1eef c\u1ea7u ch\u00ec \u201can to\u00e0n cho ng\u00f3n tay\u201d ho\u1eb7c \u201can to\u00e0n khi ch\u1ea1m\u201d hi\u1ec7n \u0111\u1ea1i (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean ray DIN) r\u1ea5t ph\u1ed5 bi\u1ebfn v\u00ec ch\u00fang b\u1ea3o v\u1ec7 ng\u01b0\u1eddi v\u1eadn h\u00e0nh kh\u1ecfi ti\u1ebfp x\u00fac ng\u1eabu nhi\u00ean v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n <em>khi c\u1ea7u ch\u00ec \u0111\u01b0\u1ee3c \u0111\u00f3ng<\/em>. Tuy nhi\u00ean, thi\u1ebft k\u1ebf k\u00e9o ra c\u1ee7a ch\u00fang b\u1eaft ch\u01b0\u1edbc tay c\u1ea7m c\u00f4ng t\u1eafc, m\u1eddi g\u1ecdi vi\u1ec7c s\u1eed d\u1ee5ng sai. NEC 690.16 c\u1ea3nh b\u00e1o r\u00f5 r\u00e0ng v\u1ec1 vi\u1ec7c b\u1ecb \u0111\u00e1nh l\u1eeba b\u1edfi h\u00ecnh th\u1ee9c n\u00e0y. Ch\u1ec9 v\u00ec n\u00f3 <em>tr\u00f4ng gi\u1ed1ng<\/em> nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 n\u00f3 <em>\u0111\u00f3ng m\u1ed9t vai tr\u00f2 thi\u1ebft y\u1ebfu trong vi\u1ec7c ng\u1eaft d\u00f2ng \u0111i\u1ec7n an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. Hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ed1n quy tr\u00ecnh ch\u00ednh c\u1ee7a vi\u1ec7c ng\u1eaft k\u1ebft n\u1ed1i b\u1ed9 ng\u1eaft m\u1ea1ch s\u1ebd ti\u1ebft l\u1ed9 l\u00fd do t\u1ea1i sao vi\u1ec7c qu\u1ea3n l\u00fd h\u1ed3 quang, thay v\u00ec lo\u1ea1i b\u1ecf h\u1ed3 quang, l\u00e0 n\u1ec1n t\u1ea3ng cho b\u1ea3o v\u1ec7 \u0111i\u1ec7n hi\u1ec7n \u0111\u1ea1i.<\/em> nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc.<\/p>\n<h3>Ma tr\u1eadn Tu\u00e2n th\u1ee7 cho NEC 690.16(B)<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>Lo\u1ea1i thi\u1ebft b\u1ecb<\/th>\n<th>\u0110\u00e1nh gi\u00e1 Ng\u1eaft T\u1ea3i?<\/th>\n<th>Nh\u00e3n C\u1ea3nh b\u00e1o B\u1eaft bu\u1ed9c<\/th>\n<th>S\u1eed d\u1ee5ng Tu\u00e2n th\u1ee7 NEC 690.16<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>K\u1eb9p C\u1ea7u ch\u00ec Ti\u00eau chu\u1ea9n<\/strong><\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>\u201cNGUY HI\u1ec2M - KH\u00d4NG M\u1ede KHI C\u00d3 T\u1ea2I\u201d<\/td>\n<td>Ph\u1ea3i c\u00f3 ng\u1eaft k\u1ebft n\u1ed1i ng\u01b0\u1ee3c d\u00f2ng ri\u00eang bi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u1ed9p gi\u1eef C\u1ea7u ch\u00ec An to\u00e0n khi Ch\u1ea1m<\/strong><\/td>\n<td>Th\u01b0\u1eddng l\u00e0 Kh\u00f4ng<\/td>\n<td>\u201cKH\u00d4NG M\u1ede KHI C\u00d3 T\u1ea2I\u201d<\/td>\n<td>Ph\u1ea3i c\u00f3 ng\u1eaft k\u1ebft n\u1ed1i ri\u00eang bi\u1ec7t ho\u1eb7c y\u00eau c\u1ea7u c\u00f4ng c\u1ee5<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00f4ng t\u1eafc Ng\u1eaft k\u1ebft n\u1ed1i C\u1ea7u ch\u00ec<\/strong><\/td>\n<td>Yes<\/td>\n<td>Kh\u00f4ng \u00e1p d\u1ee5ng (C\u00f4ng t\u1eafc ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ng\u1eaft k\u1ebft n\u1ed1i)<\/td>\n<td>Ho\u00e0n to\u00e0n tu\u00e2n th\u1ee7 nh\u01b0 c\u00e1ch ly \u0111\u1ed9c l\u1eadp<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/test.viox.com\/vi\/mcb\/\"><strong>C\u1ea7u dao \u0111i\u1ec7n<\/strong><\/a><\/td>\n<td>Yes<\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>Tu\u00e2n th\u1ee7 (Ch\u1ee9c n\u0103ng nh\u01b0 c\u1ea3 b\u1ea3o v\u1ec7 &amp; c\u00f4ng t\u1eafc)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>H\u01b0\u1edbng d\u1eabn L\u1ef1a ch\u1ecdn VIOX: Ch\u1ecdn Th\u00e0nh ph\u1ea7n Ph\u00f9 h\u1ee3p<\/h2>\n<p>T\u1ea1i VIOX Electric, ch\u00fang t\u00f4i thi\u1ebft k\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa b\u1ea3o v\u1ec7 v\u00e0 c\u00e1ch ly. Khi thi\u1ebft k\u1ebf h\u1ed9p k\u1ebft h\u1ee3p ho\u1eb7c m\u1ea1ch \u0111\u1ea7u v\u00e0o bi\u1ebfn t\u1ea7n, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang <strong>gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec<\/strong> so v\u1edbi <strong>c\u00f4ng t\u1eafc<\/strong> l\u00e0 t\u1ed1i quan tr\u1ecdng.<\/p>\n<h3>Khi n\u00e0o n\u00ean S\u1eed d\u1ee5ng H\u1ed9p gi\u1eef C\u1ea7u ch\u00ec An to\u00e0n khi Ch\u1ea1m Ti\u00eau chu\u1ea9n<\/h3>\n<p>S\u1eed d\u1ee5ng H\u1ed9p gi\u1eef C\u1ea7u ch\u00ec PV VIOX ti\u00eau chu\u1ea9n (v\u00ed d\u1ee5: D\u00f2ng VIOX VFX-1000) khi:<\/p>\n<ul>\n<li>B\u1ea1n c\u00f3 B\u1ed9 c\u00e1ch ly\/C\u00f4ng t\u1eafc Ng\u1eaft k\u1ebft n\u1ed1i DC chuy\u00ean d\u1ee5ng \u1edf n\u01a1i kh\u00e1c trong m\u1ea1ch (v\u00ed d\u1ee5: b\u00ean ngo\u00e0i h\u1ed9p k\u1ebft h\u1ee3p ho\u1eb7c t\u00edch h\u1ee3p v\u00e0o bi\u1ebfn t\u1ea7n).<\/li>\n<li>Kh\u00f4ng gian l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng v\u00e0 b\u1ea1n c\u1ea7n c\u1ea7u ch\u00ec m\u1eadt \u0111\u1ed9 cao (<a href=\"https:\/\/test.viox.com\/vi\/din-rail\/\">DIN<\/a> g\u1eafn).<\/li>\n<li>T\u1ed1i \u01b0u h\u00f3a chi ph\u00ed l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00e0 vi\u1ec7c c\u00e1ch ly \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf c\u1ea5p chu\u1ed7i th\u00f4ng qua c\u00e1c \u0111\u1ea7u n\u1ed1i ho\u1eb7c chuy\u1ec3n m\u1ea1ch nh\u00f3m.<\/li>\n<\/ul>\n<p><strong>T\u00ednh n\u0103ng Ch\u00ednh c\u1ee7a VIOX:<\/strong> Gi\u00e1 \u0111\u1ee1 c\u1ee7a ch\u00fang t\u00f4i s\u1eed d\u1ee5ng v\u1ecf DMC (H\u1ee3p ch\u1ea5t \u0110\u00fac B\u1ed9t nh\u00e3o) ho\u1eb7c Polyamide ch\u1ea5t l\u01b0\u1ee3ng cao c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00f2 \u0111i\u1ec7n, nh\u01b0ng ngay c\u1ea3 nh\u1eefng v\u1eadt li\u1ec7u t\u1ed1t nh\u1ea5t c\u0169ng kh\u00f4ng th\u1ec3 th\u00e1ch th\u1ee9c v\u1eadt l\u00fd n\u1ebfu \u0111\u01b0\u1ee3c m\u1edf khi c\u00f3 t\u1ea3i. Ch\u00fang t\u00f4i d\u00e1n nh\u00e3n n\u1ed5i b\u1eadt cho c\u00e1c gi\u00e1 \u0111\u1ee1 kh\u00f4ng ng\u1eaft t\u1ea3i c\u1ee7a m\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ng\u01b0\u1eddi v\u1eadn h\u00e0nh nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c.<\/p>\n<h3>Khi n\u00e0o n\u00ean S\u1eed d\u1ee5ng C\u00f4ng t\u1eafc Ng\u1eaft k\u1ebft n\u1ed1i C\u1ea7u ch\u00ec<\/h3>\n<p>S\u1eed d\u1ee5ng C\u00f4ng t\u1eafc Ng\u1eaft k\u1ebft n\u1ed1i C\u1ea7u ch\u00ec VIOX khi:<\/p>\n<ul>\n<li>B\u1ea1n c\u1ea7n k\u1ebft h\u1ee3p b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng v\u00e0 c\u00e1ch ly trong m\u1ed9t thi\u1ebft b\u1ecb duy nh\u1ea5t.<\/li>\n<li>Thi\u1ebft b\u1ecb \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u201cD\u1eebng Kh\u1ea9n c\u1ea5p\u201d ch\u00ednh ho\u1eb7c ng\u1eaft k\u1ebft n\u1ed1i b\u1ea3o tr\u00ec cho m\u1ea1ch con \u0111\u00f3.<\/li>\n<li>B\u1ea1n \u0111ang thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 \u0111\u1ed9 an to\u00e0n t\u1ed1i \u0111a v\u00e0 mu\u1ed1n lo\u1ea1i b\u1ecf r\u1ee7i ro do l\u1ed7i c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/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-Disconnect-Switch-vs-Standard-Fuse-Holder-Cutaway-Diagram.webp\" alt=\"Detailed technical cutaway diagram of a VIOX disconnect switch mechanism vs standard fuse holder\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 3: So s\u00e1nh m\u1eb7t c\u1eaft k\u1ef9 thu\u1eadt. C\u00f4ng t\u1eafc Ng\u1eaft k\u1ebft n\u1ed1i Ng\u1eaft T\u1ea3i VIOX (b\u00ean tr\u00e1i) c\u00f3 c\u00e1c bu\u1ed3ng d\u1eadp h\u1ed3 quang v\u00e0 c\u01a1 ch\u1ebf l\u00f2 xo, trong khi H\u1ed9p gi\u1eef C\u1ea7u ch\u00ec Ti\u00eau chu\u1ea9n (b\u00ean ph\u1ea3i) thi\u1ebfu c\u00e1c t\u00ednh n\u0103ng an to\u00e0n quan tr\u1ecdng n\u00e0y.<\/figcaption><\/figure>\n<h2>Nh\u1eefng Sai l\u1ea7m Ph\u1ed5 bi\u1ebfn trong Thi\u1ebft k\u1ebf H\u1ec7 th\u1ed1ng DC<\/h2>\n<p>Ngay c\u1ea3 c\u00e1c k\u1ef9 s\u01b0 gi\u00e0u kinh nghi\u1ec7m c\u0169ng c\u00f3 th\u1ec3 m\u1eafc b\u1eaby khi ch\u1ec9 \u0111\u1ecbnh b\u1ea3o v\u1ec7 DC. Tr\u00e1nh ba l\u1ed7i ph\u1ed5 bi\u1ebfn sau:<\/p>\n<h3>1. B\u1eaby \u201c\u0110\u00e1nh gi\u00e1 AC\u201d<\/h3>\n<p>Kh\u00f4ng bao gi\u1edd s\u1eed d\u1ee5ng h\u1ed9p gi\u1eef c\u1ea7u ch\u00ec ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cho AC trong \u1ee9ng d\u1ee5ng DC. C\u00e1c thi\u1ebft b\u1ecb AC d\u1ef1a v\u00e0o \u0111i\u1ec3m giao nhau b\u1eb1ng kh\u00f4ng m\u00e0 ch\u00fang ta \u0111\u00e3 th\u1ea3o lu\u1eadn. M\u1ed9t h\u1ed9p gi\u1eef \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 AC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf 600V DC c\u00f3 kh\u1ea3 n\u0103ng b\u1eaft l\u1eeda trong l\u1ea7n ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea7u ti\u00ean khi c\u00f3 t\u1ea3i. Lu\u00f4n x\u00e1c minh <strong>\u0110i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u<\/strong> \u0111\u00e1nh gi\u00e1 tr\u00ean b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>\n<h3>2. B\u1ecf qua Nh\u00e3n \u201cKh\u00f4ng M\u1edf Khi C\u00f3 T\u1ea3i\u201d<\/h3>\n<p>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng th\u00eam c\u00e1c nh\u00e3n n\u00e0y \u0111\u1ec3 b\u1ea3o v\u1ec7 tr\u00e1ch nhi\u1ec7m ph\u00e1p l\u00fd; ch\u00fang l\u00e0 h\u01b0\u1edbng d\u1eabn v\u1eadn h\u00e0nh. \u0110\u1eb7t m\u1ed9t h\u1ed9p gi\u1eef c\u1ea7u ch\u00ec ti\u00eau chu\u1ea9n \u1edf m\u1ed9t v\u1ecb tr\u00ed m\u00e0 n\u00f3 l\u00e0 <em>ch\u1ec9<\/em> Ph\u01b0\u01a1ng ti\u1ec7n ng\u1eaft k\u1ebft n\u1ed1i l\u00e0 vi ph\u1ea1m quy t\u1eafc NEC v\u00e0 l\u00e0 m\u1ed9t m\u1ed1i nguy hi\u1ec3m an to\u00e0n nghi\u00eam tr\u1ecdng.<\/p>\n<h3>Qu\u00e1 kh\u1ed5 Gi\u00e1 \u0111\u1ee1, Thi\u1ebfu k\u00edch th\u01b0\u1edbc D\u00e2y d\u1eabn<\/h3>\n<p>M\u1eb7c d\u00f9 gi\u00e1 \u0111\u1ee1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho 30A, nh\u01b0ng vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 v\u1edbi d\u00e2y d\u1eabn thi\u1ebfu k\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec7t qu\u00e1 m\u1ee9c t\u1ea1i<a href=\"https:\/\/test.viox.com\/vi\/terminal-block\/\"> thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i<\/a>. V\u00ec gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec d\u1ef1a v\u00e0o \u00e1p su\u1ea5t ti\u1ebfp x\u00fac, chu k\u1ef3 nhi\u1ec7t t\u1eeb h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n k\u00e9m c\u00f3 th\u1ec3 l\u00e0m l\u1ecfng c\u00e1c k\u1ebft n\u1ed1i, t\u1ea1o ra m\u1ed9t \u201c\u0111i\u1ec3m n\u00f3ng\u201d m\u00f4 ph\u1ecfng l\u1ed7i h\u1ed3 quang, l\u00e0m n\u00f3ng ch\u1ea3y gi\u00e1 \u0111\u1ee1 ngay c\u1ea3 khi kh\u00f4ng v\u1eadn h\u00e0nh th\u1ee7 c\u00f4ng.<\/p>\n<h2>So s\u00e1nh K\u1ef9 thu\u1eadt: \u0110\u1eb7c t\u00ednh H\u1ed3 quang<\/h2>\n<p>Hi\u1ec3u r\u00f5 k\u1ebb th\u00f9 l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch h\u1ed3 quang AC v\u00e0 DC kh\u00e1c nhau trong b\u1ed1i c\u1ea3nh thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u0110\u1eb7c tr\u01b0ng<\/th>\n<th>H\u1ed3 quang AC (D\u00f2ng \u0111i\u1ec7n Xoay chi\u1ec1u)<\/th>\n<th>H\u1ed3 quang DC (D\u00f2ng \u0111i\u1ec7n M\u1ed9t chi\u1ec1u)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>D\u00f2ng ch\u1ea3y hi\u1ec7n t\u1ea1i<\/strong><\/td>\n<td>Hai chi\u1ec1u (chu k\u1ef3 +\/-)<\/td>\n<td>M\u1ed9t chi\u1ec1u (kh\u00f4ng \u0111\u1ed5i)<\/td>\n<\/tr>\n<tr>\n<td><strong>D\u1eadp t\u1eaft<\/strong><\/td>\n<td>T\u1ef1 d\u1eadp t\u1eaft t\u1ea1i \u0111i\u1ec3m c\u1eaft kh\u00f4ng (m\u1ed7i 8,3ms)<\/td>\n<td>Y\u00eau c\u1ea7u k\u00e9o d\u00e0i\/l\u00e0m m\u00e1t ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 d\u1eadp t\u1eaft<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh H\u1ed3 quang<\/strong><\/td>\n<td>Kh\u00f4ng \u1ed5n \u0111\u1ecbnh, d\u1ec5 ph\u00e1 v\u1ee1 h\u01a1n<\/td>\n<td>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh cao, kh\u00f3 ph\u00e1 v\u1ee1<\/td>\n<\/tr>\n<tr>\n<td><strong>Hao m\u00f2n Thi\u1ebft b\u1ecb<\/strong><\/td>\n<td>\u0102n m\u00f2n ti\u1ebfp x\u00fac v\u1eeba ph\u1ea3i<\/td>\n<td>\u0102n m\u00f2n ti\u1ebfp x\u00fac nghi\u00eam tr\u1ecdng v\u00e0 sinh nhi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td><strong>R\u1ee7i ro an to\u00e0n<\/strong><\/td>\n<td>Cao, nh\u01b0ng c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c v\u1edbi c\u00e1c kho\u1ea3ng tr\u1ed1ng ti\u00eau chu\u1ea9n<\/td>\n<td>C\u1ef1c \u0111oan \u2013 nguy c\u01a1 ch\u00e1y li\u00ean t\u1ee5c v\u00e0 thi\u1ebft b\u1ecb n\u00f3ng ch\u1ea3y<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<p><strong>H: T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec AC ti\u00eau chu\u1ea9n cho h\u1ec7 th\u1ed1ng pin DC 24V c\u1ee7a m\u00ecnh kh\u00f4ng?<\/strong><br \/>\n\u0110: M\u1eb7c d\u00f9 \u0111i\u1ec7n \u00e1p th\u1ea5p (12V-24V) DC \u00edt c\u00f3 kh\u1ea3 n\u0103ng duy tr\u00ec h\u1ed3 quang d\u00e0i nguy hi\u1ec3m so v\u1edbi n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111i\u1ec7n \u00e1p cao (600V+), b\u1ea1n n\u00ean lu\u00f4n s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho DC. \u1ede d\u00f2ng \u0111i\u1ec7n cao, ngay c\u1ea3 24V c\u0169ng c\u00f3 th\u1ec3 duy tr\u00ec h\u1ed3 quang n\u1ebfu \u0111i\u1ec7n c\u1ea3m cao. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi (PV), h\u00e3y s\u1eed d\u1ee5ng nghi\u00eam ng\u1eb7t c\u00e1c gi\u00e1 \u0111\u1ee1 \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c DC.<\/p>\n<p><strong>H: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00f4ng t\u1eafc ng\u1eaft k\u1ebft n\u1ed1i v\u00e0 b\u1ed9 ng\u1eaft m\u1ea1ch l\u00e0 g\u00ec?<\/strong><br \/>\n\u0110: B\u1ed9 ng\u1eaft m\u1ea1ch t\u1ef1 \u0111\u1ed9ng ng\u1eaft khi c\u00f3 s\u1ef1 c\u1ed1 v\u00e0 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m c\u00f4ng t\u1eafc. C\u00f4ng t\u1eafc ng\u1eaft k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh th\u1ee7 c\u00f4ng \u0111\u1ec3 c\u00e1ch ly m\u1ea1ch nh\u01b0ng th\u01b0\u1eddng kh\u00f4ng cung c\u1ea5p b\u1ea3o v\u1ec7 t\u1ef1 \u0111\u1ed9ng tr\u1eeb khi n\u00f3 l\u00e0 \u201cNg\u1eaft k\u1ebft n\u1ed1i C\u1ea7u ch\u00ec\u201d, ch\u1ee9a c\u1ea7u ch\u00ec cho ph\u1ea7n t\u1eed b\u1ea3o v\u1ec7.<\/p>\n<p><strong>H: VIOX c\u00f3 cung c\u1ea5p gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c ng\u1eaft m\u1ea1ch khi c\u00f3 t\u1ea3i kh\u00f4ng?<\/strong><br \/>\n\u0110: VIOX s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i c\u1ee5 th\u1ec3 <strong>C\u1ea7u dao ng\u1eaft k\u1ebft n\u1ed1i c\u00f3 c\u1ea7u ch\u00ec<\/strong> \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c ng\u1eaft m\u1ea1ch khi c\u00f3 t\u1ea3i. Tuy nhi\u00ean, m\u00f4-\u0111un ti\u00eau chu\u1ea9n c\u1ee7a ch\u00fang t\u00f4i <strong>Gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec DIN-rail<\/strong> \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 \u201cGi\u00e1 \u0111\u1ee1 C\u1ea7u ch\u00ec\u201d v\u00e0 th\u01b0\u1eddng <strong>kh\u00f4ng<\/strong> \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c ng\u1eaft m\u1ea1ch khi c\u00f3 t\u1ea3i. Lu\u00f4n ki\u1ec3m tra b\u1ea3ng d\u1eef li\u1ec7u v\u00e0 nh\u00e3n tr\u00ean thi\u1ebft b\u1ecb.<\/p>\n<p><strong>H: T\u1ea1i sao t\u00f4i th\u1ea5y th\u1ee3 \u0111i\u1ec7n k\u00e9o c\u1ea7u ch\u00ec khi c\u00f3 t\u1ea3i trong video?<\/strong><br \/>\n\u0110: \u0110\u00e2y l\u00e0 m\u1ed9t h\u00e0nh \u0111\u1ed9ng nguy hi\u1ec3m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cthay n\u00f3ng.\u201d N\u00f3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng 99 l\u1ea7n tr\u00ean 100 tr\u00ean c\u00e1c m\u1ea1ch d\u00f2ng \u0111i\u1ec7n th\u1ea5p, nh\u01b0ng tr\u00ean h\u1ec7 th\u1ed1ng DC \u0111i\u1ec7n \u00e1p cao, n\u00f3 gi\u1ed1ng nh\u01b0 tr\u00f2 roulette c\u1ee7a Nga. N\u00f3 vi ph\u1ea1m c\u00e1c quy \u0111\u1ecbnh c\u1ee7a OSHA v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n NFPA 70E.<\/p>\n<p><strong>H: \u0110\u1ecbnh m\u1ee9c \u201cAn to\u00e0n cho Ng\u00f3n tay\u201d l\u00e0 g\u00ec?<\/strong><br \/>\n\u0110: \u201cAn to\u00e0n cho Ng\u00f3n tay\u201d (th\u01b0\u1eddng l\u00e0 IP20) c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ea1m v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n b\u1eb1ng ng\u00f3n tay c\u1ee7a m\u00ecnh khi thi\u1ebft b\u1ecb \u0111\u00f3ng ho\u1eb7c trong qu\u00e1 tr\u00ecnh th\u00e1o gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec. N\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt, kh\u00f4ng ph\u1ea3i b\u1ea3o v\u1ec7 ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n. M\u1ed9t thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 an to\u00e0n cho ng\u00f3n tay nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 ph\u00e1t n\u1ed5 n\u1ebfu m\u1edf khi c\u00f3 t\u1ea3i.<\/p>\n<p><strong>H: NEC 690.16 c\u00f3 \u00e1p d\u1ee5ng cho c\u00e1c h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t v\u00e0 kh\u00f4ng n\u1ed1i \u0111\u1ea5t kh\u00f4ng?<\/strong><br \/>\n\u0110: C\u00f3. Y\u00eau c\u1ea7u ng\u1eaft k\u1ebft n\u1ed1i c\u1ea7u ch\u00ec m\u1ed9t c\u00e1ch an to\u00e0n kh\u1ecfi t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n cung c\u1ea5p \u00e1p d\u1ee5ng b\u1ea5t k\u1ec3 c\u1ea5u h\u00ecnh n\u1ed1i \u0111\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng. Trong c\u00e1c m\u1ea3ng PV kh\u00f4ng n\u1ed1i \u0111\u1ea5t, c\u1ea3 ch\u00e2n d\u01b0\u01a1ng v\u00e0 ch\u00e2n \u00e2m \u0111\u1ec1u \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1eb1ng c\u1ea7u ch\u00ec v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c ng\u1eaft k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi.<\/p>\n<h2>K\u1ebft lu\u1eadn: T\u00f4n tr\u1ecdng \u0110\u1ecbnh m\u1ee9c, B\u1ea3o v\u1ec7 Ng\u01b0\u1eddi v\u1eadn h\u00e0nh<\/h2>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa <strong>\u0110\u1ecbnh m\u1ee9c c\u1eaft (Interrupt Rating)<\/strong> v\u00e0 <strong>\u0110\u1ecbnh m\u1ee9c c\u1eaft t\u1ea3i (Load Break Rating)<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 ng\u1eef ngh\u0129a h\u1ecdc thu\u1eadt; n\u00f3 l\u00e0 ranh gi\u1edbi gi\u1eefa quy tr\u00ecnh b\u1ea3o tr\u00ec an to\u00e0n v\u00e0 s\u1ef1 ki\u1ec7n h\u1ed3 quang \u0111i\u1ec7n th\u1ea3m kh\u1ed1c. Gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a h\u1ec7 sinh th\u00e1i b\u1ea3o v\u1ec7, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1eef c\u1ea7u ch\u00ec gi\u00fap lo\u1ea1i b\u1ecf n\u0103ng l\u01b0\u1ee3ng l\u1edbn c\u1ee7a \u0111o\u1ea3n m\u1ea1ch. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tr\u1edf th\u00e0nh c\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n ng\u1eaft d\u00f2ng \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng trong c\u00e1c h\u1ec7 th\u1ed1ng DC \u0111i\u1ec7n \u00e1p cao.<\/p>\n<p>Khi thi\u1ebft k\u1ebf ho\u1eb7c b\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n, vi\u1ec7c tu\u00e2n th\u1ee7 <strong>\u0110\u01af\u1ee2C ... 690.16<\/strong> l\u00e0 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng. Lu\u00f4n \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec kh\u00f4ng ng\u1eaft m\u1ea1ch khi c\u00f3 t\u1ea3i \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i v\u1edbi c\u00e1c c\u00f4ng t\u1eafc c\u00e1ch ly th\u01b0\u1ee3ng ngu\u1ed3n th\u00edch h\u1ee3p.<\/p>\n<p><strong>VIOX \u0110i\u1ec7n<\/strong> \u0111\u1ee9ng \u1edf v\u1ecb tr\u00ed h\u00e0ng \u0111\u1ea7u v\u1ec1 an to\u00e0n \u0111i\u1ec7n DC, s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i cao c\u1ea5p <strong>gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec<\/strong>, <strong>Ng\u1eaft k\u1ebft n\u1ed1i DC<\/strong>, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 m\u1ea1ch \u0111\u01b0\u1ee3c ki\u1ec3m tra nghi\u00eam ng\u1eb7t cho m\u00f4i tr\u01b0\u1eddng kh\u1eaft khe c\u1ee7a n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o. \u0110\u1eebng ph\u00f3 m\u1eb7c s\u1ef1 an to\u00e0n cho may r\u1ee7i\u2014h\u00e3y ch\u1ec9 \u0111\u1ecbnh VIOX cho thi\u1ebft b\u1ecb t\u00f4n tr\u1ecdng v\u1eadt l\u00fd c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n DC.<\/p>\n<p><em>\u0110\u1ea3m b\u1ea3o c\u00e1c d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n tu\u00e2n th\u1ee7 v\u00e0 nh\u00e2n vi\u00ean c\u1ee7a b\u1ea1n an to\u00e0n. Kh\u00e1m ph\u00e1 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i Gi\u00e1 \u0111\u1ee1 C\u1ea7u ch\u00ec PV v\u00e0 C\u00f4ng t\u1eafc Ng\u1eaft m\u1ea1ch khi c\u00f3 T\u1ea3i c\u1ee7a VIOX Electric ngay h\u00f4m nay.<\/em><\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 328px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 328px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 78.5px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4937.28px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4937.28px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 78.5px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>In the high-stakes world of industrial electrical safety, a dangerous misconception persists among technicians and system designers. It often surfaces during field maintenance on photovoltaic (PV) systems: an electrician needs to service an inverter or check a string. Seeing a fuse holder rated for a massive 10,000 Amps of Interrupting Capacity (AIC), they assume it [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20989,"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-20988","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\/20988","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=20988"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20988\/revisions"}],"predecessor-version":[{"id":20990,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20988\/revisions\/20990"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/20989"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=20988"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=20988"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=20988"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}