{"id":21229,"date":"2026-01-07T12:48:17","date_gmt":"2026-01-07T04:48:17","guid":{"rendered":"https:\/\/viox.com\/?p=21229"},"modified":"2026-03-30T00:21:53","modified_gmt":"2026-03-29T16:21:53","slug":"nec-690-12-rapid-shutdown-passive-component-strategy","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/nec-690-12-rapid-shutdown-passive-component-strategy\/","title":{"rendered":"Tu\u00e2n th\u1ee7 NEC 690.12 v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd: Chi\u1ebfn l\u01b0\u1ee3c s\u1eed d\u1ee5ng linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng (Contactor &amp; Shunt Trip)"},"content":{"rendered":"<div class=\"product-intro\">\n<p>Vi\u1ec7c \u0111i\u1ec1u h\u01b0\u1edbng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u1eaft m\u00e1y nhanh (RSD) theo ti\u00eau chu\u1ea9n NEC 690.12 th\u01b0\u1eddng gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u00f2n gi\u00e1ng tr\u1ef1c ti\u1ebfp v\u00e0o l\u1ee3i nhu\u1eadn d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Nhi\u1ec1u nh\u00e0 l\u1eafp \u0111\u1eb7t n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 EPC tin r\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t c\u1ea5p m\u00f4-\u0111un (MLPE) \u0111\u1eaft ti\u1ec1n, nh\u01b0 b\u1ed9 bi\u1ebfn t\u1ea7n vi m\u00f4 ho\u1eb7c b\u1ed9 t\u1ed1i \u01b0u h\u00f3a, l\u00e0 con \u0111\u01b0\u1eddng duy nh\u1ea5t \u0111\u1ec3 tu\u00e2n th\u1ee7. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng th\u00eam h\u00e0ng ngh\u00ecn \u0111\u00f4 la cho m\u1ed9t d\u1ef1 \u00e1n, l\u00e0m gi\u1ea3m l\u1ee3i nhu\u1eadn v\u00e0 khi\u1ebfn gi\u00e1 th\u1ea7u k\u00e9m c\u1ea1nh tranh h\u01a1n.<\/p>\n<p>Nh\u01b0ng \u0111i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu c\u00f3 m\u1ed9t c\u00e1ch th\u00f4ng minh h\u01a1n, m\u1ea1nh m\u1ebd h\u01a1n v\u00e0 r\u1ebb h\u01a1n \u0111\u00e1ng k\u1ec3?<\/p>\n<p>\u0110\u1ed1i v\u1edbi m\u1ed9t danh m\u1ee5c d\u1ef1 \u00e1n l\u1edbn\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh l\u1eafp \u0111\u1eb7t kh\u00f4ng tr\u00ean m\u00e1i nh\u00e0 nh\u01b0 l\u1eafp \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t v\u00e0 m\u00e1i che \u00f4 t\u00f4 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\u2014b\u1ea1n kh\u00f4ng c\u1ea7n c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ph\u1ee9c t\u1ea1p, \u0111\u1ed9c quy\u1ec1n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng quy \u0111\u1ecbnh. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 theo ti\u00eau chu\u1ea9n NEC 690.12 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n c\u00f4ng nghi\u1ec7p \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng theo th\u1eddi gian, ch\u1eafc ch\u1eafn v\u00e0 c\u00f3 s\u1eb5n.<\/p>\n<p>\u0110\u00e2y l\u00e0 Chi\u1ebfn l\u01b0\u1ee3c Th\u00e0nh ph\u1ea7n Th\u1ee5 \u0111\u1ed9ng VIOX. \u0110\u00f3 l\u00e0 s\u1ef1 tr\u1edf l\u1ea1i v\u1edbi c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a k\u1ef9 thu\u1eadt \u0111i\u1ec7n, s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 ti\u1ebfp \u0111i\u1ec3m DC v\u00e0 ph\u1ee5 ki\u1ec7n b\u1ed9 ng\u1eaft m\u1ea1ch ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng t\u1eaft m\u00e1y nhanh thanh l\u1ecbch, an to\u00e0n v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u00e2n s\u00e1ch. B\u1ea1n mu\u1ed1n bi\u1ebft b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c bao nhi\u00eau? H\u00e3y xem chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/test.viox.com\/vi\/rapid-shutdown-compliance-cost-analysis-centralized-vs-distributed\/\">Ph\u00e2n t\u00edch Chi ph\u00ed Tu\u00e2n th\u1ee7 T\u1eaft m\u00e1y Nhanh: T\u1eadp trung so v\u1edbi Ph\u00e2n t\u00e1n<\/a>.<\/p>\n<h2>Giai \u0111o\u1ea1n 1: Hi\u1ec3u v\u1ec1 \u201cV\u00f9ng\u201d v\u00e0 C\u01a1 h\u1ed9i<\/h2>\n<p>M\u1ee5c \u0111\u00edch c\u1ed1t l\u00f5i c\u1ee7a NEC 690.12 l\u00e0 b\u1ea3o v\u1ec7 nh\u1eefng ng\u01b0\u1eddi \u1ee9ng c\u1ee9u \u0111\u1ea7u ti\u00ean. Trong tr\u01b0\u1eddng h\u1ee3p kh\u1ea9n c\u1ea5p, h\u1ecd c\u1ea7n ng\u1eaft \u0111i\u1ec7n c\u00e1c d\u00e2y d\u1eabn DC \u0111i\u1ec7n \u00e1p cao t\u1eeb m\u1ed9t d\u00e3y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111\u1ec3 l\u00e0m vi\u1ec7c an to\u00e0n. Quy t\u1eafc n\u00e0y th\u01b0\u1eddng quy \u0111\u1ecbnh r\u1eb1ng trong m\u1ed9t ranh gi\u1edbi x\u00e1c \u0111\u1ecbnh (th\u01b0\u1eddng l\u00e0 1 foot xung quanh d\u00e3y), \u0111i\u1ec7n \u00e1p ph\u1ea3i gi\u1ea3m xu\u1ed1ng 80V ho\u1eb7c th\u1ea5p h\u01a1n trong v\u00f2ng 30 gi\u00e2y v\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c d\u00e2y d\u1eabn b\u00ean ngo\u00e0i ranh gi\u1edbi \u0111\u00f3, \u0111i\u1ec7n \u00e1p ph\u1ea3i gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 30V trong c\u00f9ng kho\u1ea3ng th\u1eddi gian.<\/p>\n<p>Tuy nhi\u00ean, quy \u0111\u1ecbnh \u0111\u00e3 ph\u00e1t tri\u1ec3n. M\u1ed1i nguy hi\u1ec3m ch\u00ednh \u0111\u1ed1i v\u1edbi l\u00ednh c\u1ee9u h\u1ecfa l\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u00e1i nh\u00e0 c\u1ee7a c\u00e1c t\u00f2a nh\u00e0 k\u00edn. Nh\u1eadn th\u1ea5y \u0111i\u1ec1u n\u00e0y, NEC 2023 \u0111\u00e3 \u0111\u01b0a ra c\u00e1c ngo\u1ea1i l\u1ec7 quan tr\u1ecdng.<\/p>\n<blockquote><p>Nh\u01b0 \u0111\u00e3 n\u00eau trong NEC 690.12 Ngo\u1ea1i l\u1ec7 s\u1ed1 2, \u201cThi\u1ebft b\u1ecb v\u00e0 m\u1ea1ch PV \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean c\u00e1c c\u1ea5u tr\u00fac t\u00e1ch r\u1eddi kh\u00f4ng k\u00edn bao g\u1ed3m nh\u01b0ng kh\u00f4ng gi\u1edbi h\u1ea1n \u1edf c\u1ea5u tr\u00fac che b\u00f3ng b\u00e3i \u0111\u1eadu xe, m\u00e1i che \u00f4 t\u00f4, gi\u00e0n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 c\u00e1c c\u1ea5u tr\u00fac t\u01b0\u01a1ng t\u1ef1 s\u1ebd kh\u00f4ng b\u1eaft bu\u1ed9c ph\u1ea3i tu\u00e2n th\u1ee7 690.12.\u201d<\/p><\/blockquote>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 thay \u0111\u1ed5i cu\u1ed9c ch\u01a1i. \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng l\u1eafp tr\u00ean m\u1eb7t \u0111\u1ea5t v\u00e0 m\u00e1i che \u00f4 t\u00f4, n\u01a1i d\u00e3y kh\u00f4ng n\u1eb1m tr\u00ean m\u1ed9t t\u00f2a nh\u00e0 m\u00e0 l\u00ednh c\u1ee9u h\u1ecfa s\u1ebd c\u1eaft v\u00e0o, y\u00eau c\u1ea7u t\u1ed1n k\u00e9m v\u1ec1 vi\u1ec7c t\u1eaft m\u00e1y \u1edf c\u1ea5p m\u00f4-\u0111un th\u01b0\u1eddng \u0111\u01b0\u1ee3c C\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n (AHJ) mi\u1ec5n. Thay v\u00e0o \u0111\u00f3, tr\u1ecdng t\u00e2m chuy\u1ec3n sang vi\u1ec7c cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 ng\u1eaft k\u1ebft n\u1ed1i c\u00e1c c\u00e1p tr\u1ee5c DC ch\u00ednh ch\u1ea1y t\u1eeb <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-pv-combiner-box-and-why-your-solar-system-cant-function-without-one\/\">h\u1ed9p k\u1ebft h\u1ee3p n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/a> \u0111\u1ebfn b\u1ed9 bi\u1ebfn t\u1ea7n trung t\u00e2m. \u0110\u00e2y l\u00e0 n\u01a1i chi\u1ebfn l\u01b0\u1ee3c th\u00e0nh ph\u1ea7n th\u1ee5 \u0111\u1ed9ng c\u1ee7a ch\u00fang t\u00f4i t\u1ecfa s\u00e1ng.<\/p>\n<figure style=\"text-align: center; margin: 30px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #ddd;\" src=\"https:\/\/img.viox.com\/A-technical-diagram-comparing-a-complex-rooftop-MLPE-rapid-shutdown-system-with-a-simpler-cost-effective-string-level-disconnect-system-for-ground-mounted-solar-arrays-a-strategy-enabled-by-VIOX-components.webp\" alt=\"A technical diagram comparing a complex rooftop MLPE rapid shutdown system with a simpler, cost-effective string-level disconnect system for ground-mounted solar arrays, a strategy enabled by VIOX components\" \/><figcaption style=\"font-style: italic; color: #666; font-size: 0.9em; margin-top: 10px; text-align: center;\">H\u00ecnh 1: So s\u00e1nh gi\u1eefa h\u1ec7 th\u1ed1ng t\u1eaft m\u00e1y nhanh MLPE tr\u00ean m\u00e1i nh\u00e0 ph\u1ee9c t\u1ea1p v\u00e0 h\u1ec7 th\u1ed1ng ng\u1eaft k\u1ebft n\u1ed1i c\u1ea5p chu\u1ed7i \u0111\u01a1n gi\u1ea3n h\u00f3a cho c\u00e1c d\u00e3y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u1eafp tr\u00ean m\u1eb7t \u0111\u1ea5t, \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi c\u00e1c th\u00e0nh ph\u1ea7n VIOX.<\/figcaption><\/figure>\n<h2>Giai \u0111o\u1ea1n 2: C\u00e1c Th\u00e0nh ph\u1ea7n C\u1ed1t l\u00f5i cho RSD Th\u00e2n thi\u1ec7n v\u1edbi Ng\u00e2n s\u00e1ch c\u1ee7a B\u1ea1n<\/h2>\n<p>X\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng n\u00e0y l\u00e0 v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p cho c\u00f4ng vi\u1ec7c. VIOX cung c\u1ea5p m\u1ed9t b\u1ed9 to\u00e0n di\u1ec7n c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5p c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c cho \u1ee9ng d\u1ee5ng n\u00e0y.<\/p>\n<h3>1. B\u1ed9 Ch\u1ea5p h\u00e0nh: Ch\u1ecdn Thi\u1ebft b\u1ecb Ng\u1eaft k\u1ebft n\u1ed1i c\u1ee7a B\u1ea1n<\/h3>\n<p>\u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n m\u1edf m\u1ea1ch DC m\u1ed9t c\u00e1ch v\u1eadt l\u00fd. B\u1ea1n c\u00f3 hai l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi, \u0111\u00e1ng tin c\u1eady.<\/p>\n<h4>L\u1ef1a ch\u1ecdn A: B\u1ed9 ti\u1ebfp \u0111i\u1ec3m DC \u0110i\u1ec7n \u00e1p Cao (R\u1ea5t Khuy\u1ebfn ngh\u1ecb)<\/h4>\n<p>M\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-contactor\/\">B\u1ed9 ti\u1ebfp \u0111i\u1ec3m DC<\/a> v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t r\u01a1le h\u1ea1ng n\u1eb7ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u1ea3i DC c\u00f4ng su\u1ea5t cao. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p s\u1ea1ch nh\u1ea5t v\u00e0 an to\u00e0n nh\u1ea5t v\u1ed1n c\u00f3.<\/p>\n<ul>\n<li><strong>Nguy\u00ean t\u1eafc Ho\u1ea1t \u0111\u1ed9ng:<\/strong> M\u1ed9t t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p th\u1ea5p k\u00edch ho\u1ea1t m\u1ed9t cu\u1ed9n d\u00e2y b\u00ean trong, t\u1ea1o ra m\u1ed9t t\u1eeb tr\u01b0\u1eddng \u0111\u1ec3 \u0111\u00f3ng c\u00e1c ti\u1ebfp \u0111i\u1ec3m ngu\u1ed3n ch\u00ednh. Khi t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n b\u1ecb m\u1ea5t, c\u00e1c l\u00f2 xo b\u00ean trong s\u1ebd ngay l\u1eadp t\u1ee9c \u0111\u1ea9y c\u00e1c ti\u1ebfp \u0111i\u1ec3m ra xa nhau, ng\u1eaft m\u1ea1ch.<\/li>\n<li><strong>\u01afu \u0111i\u1ec3m Ch\u00ednh (An to\u00e0n):<\/strong> Thi\u1ebft k\u1ebf \u201cth\u01b0\u1eddng m\u1edf\u201d n\u00e0y v\u1ed1n d\u0129 l\u00e0 an to\u00e0n. N\u1ebfu ngu\u1ed3n \u0111i\u1ec1u khi\u1ec3n b\u1ecb c\u1eaft\u2014do c\u1ed1 \u00fd b\u1eb1ng E-Stop ho\u1eb7c v\u00f4 \u00fd do m\u1ea5t \u0111i\u1ec7n ho\u1eb7c d\u00e2y b\u1ecb h\u1ecfng\u2014b\u1ed9 ti\u1ebfp \u0111i\u1ec3m s\u1ebd m\u1eb7c \u0111\u1ecbnh v\u1ec1 tr\u1ea1ng th\u00e1i m\u1edf an to\u00e0n. N\u00f3 \u0111\u00f2i h\u1ecfi n\u0103ng l\u01b0\u1ee3ng ph\u1ea3i \u0111\u01b0\u1ee3c <em>tr\u00ean<\/em>, kh\u00f4ng ph\u1ea3i \u0111\u1ec3 b\u1eadt <em>t\u1eaft<\/em>.<\/li>\n<li><strong>\u0110\u1ed9 b\u1ec1n:<\/strong> Kh\u00f4ng gi\u1ed1ng nh\u01b0 b\u1ed9 ng\u1eaft m\u1ea1ch, b\u1ed9 ti\u1ebfp \u0111i\u1ec3m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho s\u1ed1 l\u01b0\u1ee3ng chu k\u1ef3 chuy\u1ec3n m\u1ea1ch cao, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra ho\u1eb7c k\u00edch ho\u1ea1t th\u01b0\u1eddng xuy\u00ean.<\/li>\n<\/ul>\n<p>M\u1eb7c d\u00f9 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa r\u01a1le \u0111i\u1ec1u khi\u1ec3n v\u00e0 b\u1ed9 ti\u1ebfp \u0111i\u1ec3m ngu\u1ed3n. \u0110\u1ed1i v\u1edbi \u1ee9ng d\u1ee5ng n\u00e0y, b\u1ea1n c\u1ea7n m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n DC \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a \u0111\u1ea7u ra d\u00e3y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u1ee7a b\u1ea1n. T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t trong h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i: <a href=\"https:\/\/test.viox.com\/vi\/contactors-vs-relays-understanding-the-key-differences\/\">Contactor so v\u1edbi R\u01a1 le: Hi\u1ec3u nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh<\/a>.<\/p>\n<h4>L\u1ef1a ch\u1ecdn B: B\u1ed9 ng\u1eaft m\u1ea1ch v\u1ecf \u0111\u00fac DC (MCCB) v\u1edbi Ph\u1ee5 ki\u1ec7n<\/h4>\n<p>M\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-dc-circuit-breaker\/\">C\u1ea7u dao DC<\/a> m\u1ea1nh m\u1ebd c\u0169ng c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ed9 ch\u1ea5p h\u00e0nh khi \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c ph\u1ee5 ki\u1ec7n ph\u00f9 h\u1ee3p. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u00edch h\u1ee3p b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng v\u00e0 ng\u1eaft t\u1eeb xa v\u00e0o m\u1ed9t thi\u1ebft b\u1ecb. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ch\u1ecdn \u0111\u00fang ph\u1ee5 ki\u1ec7n ng\u1eaft.<\/p>\n<p><strong>T\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 k\u1ef9 thu\u1eadt: Ng\u1eaft Shunt (MX) so v\u1edbi Nh\u1ea3 \u0110i\u1ec7n \u00e1p Th\u1ea5p (UVR\/MN)<\/strong><\/p>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng nh\u1ea5t trong thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n. M\u1eb7c d\u00f9 ch\u00fang tr\u00f4ng gi\u1ed1ng nhau, nh\u01b0ng c\u00e1c nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang l\u1ea1i tr\u00e1i ng\u01b0\u1ee3c nhau.<\/p>\n<ul>\n<li><strong>Ng\u1eaft Shunt (MX):<\/strong> M\u1ed9t cu\u1ed9n d\u00e2y ng\u1eaft shunt y\u00eau c\u1ea7u m\u1ed9t xung \u0111i\u1ec7n \u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c <em>\u00e1p d\u1ee5ng<\/em> \u0111\u1ec3 ng\u1eaft b\u1ed9 ng\u1eaft m\u1ea1ch. N\u00f3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u201cc\u1ea5p \u0111i\u1ec7n \u0111\u1ec3 ng\u1eaft\u201d. \u0110i\u1ec1u n\u00e0y KH\u00d4NG v\u1ed1n d\u0129 l\u00e0 an to\u00e0n cho m\u1ed9t h\u1ec7 th\u1ed1ng t\u1eaft m\u00e1y nhanh. N\u1ebfu ngu\u1ed3n \u0111i\u1ec1u khi\u1ec3n b\u1ecb l\u1ed7i, b\u1ea1n s\u1ebd m\u1ea5t kh\u1ea3 n\u0103ng ng\u1eaft b\u1ed9 ng\u1eaft m\u1ea1ch t\u1eeb xa. Ng\u1eaft shunt r\u1ea5t tuy\u1ec7t v\u1eddi cho c\u00e1c l\u1ec7nh t\u1eeb xa nh\u01b0ng y\u00eau c\u1ea7u m\u1ed9t ngu\u1ed3n \u0111i\u1ec7n \u0111\u00e1ng tin c\u1eady (nh\u01b0 UPS) \u0111\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t cho c\u00e1c h\u1ec7 th\u1ed1ng an to\u00e0n. \u0110\u1ec3 t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n, h\u00e3y xem h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/test.viox.com\/vi\/when-standard-circuit-breakers-fail-the-engineers-complete-guide-to-shunt-trip-protection\/\">Khi \u00c1pt\u00f4m\u00e1t Ti\u00eau Chu\u1ea9n H\u1ecfng H\u00f3c: H\u01b0\u1edbng D\u1eabn To\u00e0n Di\u1ec7n C\u1ee7a K\u1ef9 S\u01b0 V\u1ec1 B\u1ea3o V\u1ec7 Ng\u1eaft M\u1ea1ch T\u1eeb Xa (Shunt Trip)<\/a>.<\/li>\n<li><strong>Nh\u1ea3 \u0110i\u1ec7n \u00e1p Th\u1ea5p (UVR ho\u1eb7c MN):<\/strong> M\u1ed9t cu\u1ed9n d\u00e2y UVR ph\u1ea3i \u0111\u01b0\u1ee3c <em>c\u1ea5p \u0111i\u1ec7n li\u00ean t\u1ee5c<\/em> \u0111\u1ec3 gi\u1eef cho <a href=\"https:\/\/test.viox.com\/vi\/mcb\/\">ng\u1eaft m\u1ea1ch<\/a> \u0111\u00f3ng. N\u1ebfu \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ed9t ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh (th\u01b0\u1eddng l\u00e0 35-70% \u0111\u1ecbnh m\u1ee9c c\u1ee7a n\u00f3) ho\u1eb7c b\u1ecb m\u1ea5t ho\u00e0n to\u00e0n, UVR s\u1ebd t\u1ef1 \u0111\u1ed9ng ng\u1eaft b\u1ed9 ng\u1eaft m\u1ea1ch. C\u01a1 ch\u1ebf \u201cm\u1ea5t \u0111i\u1ec7n \u0111\u1ec3 ng\u1eaft\u201d n\u00e0y v\u1ed1n d\u0129 l\u00e0 an to\u00e0n, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf ho\u00e0n h\u1ea3o cho b\u1ed9 ti\u1ebfp \u0111i\u1ec3m.<\/li>\n<\/ul>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"10\">\n<thead>\n<tr style=\"background-color: #f5f5f5;\">\n<th>N\u0103ng<\/th>\n<th>DC X\u00fac<\/th>\n<th>MCCB v\u1edbi Nh\u1ea3 \u0110i\u1ec7n \u00e1p Th\u1ea5p (UVR)<\/th>\n<th>MCCB v\u1edbi Ng\u1eaft Shunt (MX)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>H\u00e0nh Nguy\u00ean T\u1eafc<\/strong><\/td>\n<td>C\u1ea5p \u0111i\u1ec7n \u0111\u1ec3 \u0110\u00f3ng<\/td>\n<td>C\u1ea5p \u0111i\u1ec7n \u0111\u1ec3 Gi\u1eef \u0110\u00f3ng<\/td>\n<td>C\u1ea5p \u0111i\u1ec7n \u0111\u1ec3 Ng\u1eaft<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3n ch\u1ea5t An to\u00e0n<\/strong><\/td>\n<td><strong>Tuy\u1ec7t v\u1eddi (V\u1ed1n d\u0129 An to\u00e0n)<\/strong><\/td>\n<td><strong>Tuy\u1ec7t v\u1eddi (V\u1ed1n d\u0129 An to\u00e0n)<\/strong><\/td>\n<td>K\u00e9m (Y\u00eau c\u1ea7u UPS \u0111\u1ec3 an to\u00e0n)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft l\u1eadp l\u1ea1i<\/strong><\/td>\n<td>T\u1ef1 \u0111\u1ed9ng (\u00c1p d\u1ee5ng l\u1ea1i ngu\u1ed3n \u0111i\u1ec1u khi\u1ec3n)<\/td>\n<td>\u0110\u1eb7t l\u1ea1i Th\u1ee7 c\u00f4ng B\u1ed9 ng\u1eaft m\u1ea1ch<\/td>\n<td>\u0110\u1eb7t l\u1ea1i Th\u1ee7 c\u00f4ng B\u1ed9 ng\u1eaft m\u1ea1ch<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ee9c n\u0103ng ch\u00ednh<\/strong><\/td>\n<td>Chuy\u1ec3n m\u1ea1ch t\u1eeb xa chu k\u1ef3 cao<\/td>\n<td>B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng + Ng\u1eaft t\u1eeb xa<\/td>\n<td>B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng + Ng\u1eaft t\u1eeb xa<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/td>\n<td>M\u1ea1ch \u0111i\u1ec1u khi\u1ec3n \u0111\u01a1n gi\u1ea3n<\/td>\n<td>B\u1ea3o v\u1ec7 v\u00e0 \u0111i\u1ec1u khi\u1ec3n t\u00edch h\u1ee3p<\/td>\n<td>B\u1ea3o v\u1ec7 v\u00e0 \u0111i\u1ec1u khi\u1ec3n t\u00edch h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ed1t nh\u1ea5t cho RSD<\/strong><\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>\u2b50 (Tr\u1eeb khi \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi UPS)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"text-align: center; margin: 30px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #ddd;\" src=\"https:\/\/img.viox.com\/A-technical-diagram-from-VIOX-comparing-how-a-Shunt-Trip-energize-to-trip-and-an-Undervoltage-Release-de-energize-to-trip-work-inside-a-circuit-breaker.webp\" alt=\"A technical diagram from VIOX comparing how a Shunt Trip (energize-to-trip) and an Undervoltage Release (de-energize-to-trip) work inside a circuit breaker\" \/><figcaption style=\"font-style: italic; color: #666; font-size: 0.9em; margin-top: 10px; text-align: center;\">H\u00ecnh 2: So s\u00e1nh k\u1ef9 thu\u1eadt gi\u1eefa m\u00f4-\u0111un Ng\u1eaft Shunt VIOX (c\u1ea5p \u0111i\u1ec7n \u0111\u1ec3 ng\u1eaft) so v\u1edbi m\u00f4-\u0111un Nh\u1ea3 \u0110i\u1ec7n \u00e1p Th\u1ea5p (m\u1ea5t \u0111i\u1ec7n \u0111\u1ec3 ng\u1eaft).<\/figcaption><\/figure>\n<h3>2. B\u1ed9 Kh\u1edfi t\u1ea1o: N\u00fat D\u1eebng Kh\u1ea9n c\u1ea5p<\/h3>\n<p>B\u1ed9 kh\u1edfi t\u1ea1o l\u00e0 tr\u00ecnh k\u00edch ho\u1ea1t th\u1ee7 c\u00f4ng cho h\u1ec7 th\u1ed1ng RSD. \u0110\u1ed1i v\u1edbi \u0111i\u1ec1u n\u00e0y, b\u1ea1n c\u1ea7n m\u1ed9t n\u00fat D\u1eebng Kh\u1ea9n c\u1ea5p c\u00f4ng nghi\u1ec7p c\u00f3 \u0111\u1ed9 tin c\u1eady cao. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng \u1edf \u0111\u00e2y l\u00e0 n\u00f3 ph\u1ea3i s\u1eed d\u1ee5ng <strong>Kh\u1ed1i ti\u1ebfp \u0111i\u1ec3m Th\u01b0\u1eddng \u0110\u00f3ng (NC)<\/strong>.<\/p>\n<p>Khi n\u00fat \u1edf tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng, s\u1eb5n s\u00e0ng, ti\u1ebfp \u0111i\u1ec3m \u0111\u01b0\u1ee3c \u0111\u00f3ng, cho ph\u00e9p d\u00f2ng \u0111i\u1ec1u khi\u1ec3n ch\u1ea1y. Khi b\u1ea1n nh\u1ea5n n\u00fat, n\u00f3 s\u1ebd ng\u1eaft m\u1ea1ch. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng ngay c\u1ea3 khi d\u00e2y d\u1eabn \u0111\u1ebfn n\u00fat b\u1ecb c\u1eaft do tai n\u1ea1n, h\u1ec7 th\u1ed1ng s\u1ebd chuy\u1ec3n sang tr\u1ea1ng th\u00e1i an to\u00e0n (t\u1eaft m\u00e1y). T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 logic ti\u1ebfp \u0111i\u1ec3m t\u1ea1i \u0111\u00e2y: <a href=\"https:\/\/test.viox.com\/vi\/is-emergency-stop-button-normally-open-or-closed\/\">N\u00fat d\u1eebng kh\u1ea9n c\u1ea5p th\u01b0\u1eddng l\u00e0 th\u01b0\u1eddng m\u1edf hay th\u01b0\u1eddng \u0111\u00f3ng?<\/a>.<\/p>\n<h3>Ngu\u1ed3n \u0111i\u1ec7n: Ngu\u1ed3n \u0111i\u1ec7n 24V DC<\/h3>\n<p>B\u1ed9 n\u00e3o c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01a1n gi\u1ea3n n\u00e0y c\u1ea7n m\u1ed9t ngu\u1ed3n \u0111i\u1ec7n \u0111\u00e1ng tin c\u1eady. Ngu\u1ed3n \u0111i\u1ec7n DIN rail 24V DC l\u00e0 ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p cho t\u1ee7 \u0111i\u1ec1u khi\u1ec3n. N\u00f3 cung c\u1ea5p \u0111i\u1ec7n \u00e1p th\u1ea5p, an to\u00e0n c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea5p ngu\u1ed3n cho cu\u1ed9n d\u00e2y contactor ho\u1eb7c UVR th\u00f4ng qua n\u00fat E-Stop. \u0110\u1ea3m b\u1ea3o ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a b\u1ea1n c\u00f3 k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ea5u d\u00e2y \u0111\u00fang c\u00e1ch theo c\u00e1c th\u00f4ng l\u1ec7 t\u1ed1t nh\u1ea5t, nh\u01b0 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y chi ti\u1ebft trong <a href=\"https:\/\/test.viox.com\/vi\/how-to-wire-24v-dc-control-panel-power-injection-guide\/\">H\u01b0\u1edbng d\u1eabn \u0111\u1ea5u d\u00e2y t\u1ee7 \u0111i\u1ec1u khi\u1ec3n 24V DC<\/a>.<\/p>\n<h2>Giai \u0111o\u1ea1n 3: Logic \u0111\u1ea5u d\u00e2y \u2013 V\u00f2ng l\u1eb7p an to\u00e0n tuy\u1ec7t \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn tuy\u1ec7t v\u1eddi<\/h2>\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c th\u00e0nh ph\u1ea7n th\u1ee5 \u0111\u1ed9ng l\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n c\u1ee7a n\u00f3. Vi\u1ec7c \u0111\u1ea5u d\u00e2y \u0111i\u1ec1u khi\u1ec3n t\u1ea1o ra m\u1ed9t v\u00f2ng l\u1eb7p \u201ccho ph\u00e9p ch\u1ea1y\u201d v\u1ed1n d\u0129 l\u00e0 an to\u00e0n tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<p><strong>Logic:<\/strong><\/p>\n<ol>\n<li>C\u1ef1c d\u01b0\u01a1ng (+) c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n 24V DC \u0111\u01b0\u1ee3c \u0111\u1ea5u d\u00e2y v\u00e0o m\u1ed9t b\u00ean c\u1ee7a ti\u1ebfp \u0111i\u1ec3m NC c\u1ee7a n\u00fat D\u1eebng kh\u1ea9n c\u1ea5p.<\/li>\n<li>Ph\u00eda c\u00f2n l\u1ea1i c\u1ee7a ti\u1ebfp \u0111i\u1ec3m NC c\u1ee7a E-Stop \u0111\u01b0\u1ee3c \u0111\u1ea5u d\u00e2y v\u00e0o c\u1ef1c d\u01b0\u01a1ng (A1) c\u1ee7a cu\u1ed9n d\u00e2y contactor DC ho\u1eb7c cu\u1ed9n d\u00e2y UVR.<\/li>\n<li>C\u1ef1c \u00e2m (A2) c\u1ee7a cu\u1ed9n d\u00e2y \u0111\u01b0\u1ee3c \u0111\u1ea5u d\u00e2y tr\u1edf l\u1ea1i c\u1ef1c \u00e2m (-) c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n 24V DC, ho\u00e0n th\u00e0nh m\u1ea1ch.<\/li>\n<\/ol>\n<p><strong>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/p>\n<ul>\n<li><strong>Ho\u1ea1t \u0110\u1ed9ng B\u00ecnh Th\u01b0\u1eddng:<\/strong> E-Stop kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ea5n, v\u00ec v\u1eady ti\u1ebfp \u0111i\u1ec3m NC \u0111\u01b0\u1ee3c \u0111\u00f3ng. M\u1ea1ch \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh, cu\u1ed9n d\u00e2y \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n v\u00e0 contactor\/breaker DC ch\u00ednh \u0111\u01b0\u1ee3c \u0111\u00f3ng. D\u00e0n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u1ee7a b\u1ea1n \u0111ang t\u1ea1o ra \u0111i\u1ec7n.<\/li>\n<li><strong>T\u1eaft kh\u1ea9n c\u1ea5p:<\/strong> M\u1ed9t l\u00ednh c\u1ee9u h\u1ecfa \u0111\u1ebfn v\u00e0 nh\u1ea5n n\u00fat E-Stop. Thao t\u00e1c n\u00e0y s\u1ebd m\u1edf ti\u1ebfp \u0111i\u1ec3m NC, ng\u1eaft m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n. Cu\u1ed9n d\u00e2y m\u1ea5t \u0111i\u1ec7n v\u00e0 contactor b\u1eadt ra (ho\u1eb7c UVR ng\u1eaft breaker) g\u1ea7n nh\u01b0 ngay l\u1eadp t\u1ee9c. C\u00e1c d\u00e2y d\u1eabn DC b\u1ecb m\u1ea5t \u0111i\u1ec7n.<\/li>\n<li><strong>M\u1ea5t \u0111i\u1ec7n do tai n\u1ea1n:<\/strong> N\u1ebfu t\u1ee7 \u0111i\u1ec1u khi\u1ec3n m\u1ea5t \u0111i\u1ec7n AC, ngu\u1ed3n \u0111i\u1ec7n 24V DC s\u1ebd t\u1eaft. Cu\u1ed9n d\u00e2y m\u1ea5t \u0111i\u1ec7n. H\u1ec7 th\u1ed1ng an to\u00e0n tuy\u1ec7t \u0111\u1ed1i. N\u1ebfu m\u1ed9t d\u00e2y trong v\u00f2ng \u0111i\u1ec1u khi\u1ec3n b\u1ecb \u0111\u1ee9t, cu\u1ed9n d\u00e2y s\u1ebd m\u1ea5t \u0111i\u1ec7n. H\u1ec7 th\u1ed1ng an to\u00e0n tuy\u1ec7t \u0111\u1ed1i.<\/li>\n<\/ul>\n<figure style=\"text-align: center; margin: 30px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #ddd;\" src=\"https:\/\/img.viox.com\/A-wiring-diagram-showing-a-fail-safe-rapid-shutdown-loop-using-a-VIOX-24V-power-supply-E-Stop-button-and-DC-contactor-to-control-power-from-a-solar-array.webp\" alt=\"A wiring diagram showing a fail-safe rapid shutdown loop using a VIOX 24V power supply, E-Stop button, and DC contactor to control power from a solar array\" \/><figcaption style=\"font-style: italic; color: #666; font-size: 0.9em; margin-top: 10px; text-align: center;\">H\u00ecnh 3: S\u01a1 \u0111\u1ed3 v\u00f2ng \u0111i\u1ec1u khi\u1ec3n RSD an to\u00e0n tuy\u1ec7t \u0111\u1ed1i VIOX s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n 24V, n\u00fat E-Stop v\u00e0 contactor DC.<\/figcaption><\/figure>\n<p>N\u1ebfu b\u1ea1n tri\u1ec3n khai \u0111i\u1ec1u n\u00e0y v\u00e0 nghe th\u1ea5y ti\u1ebfng vo vo, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 cho th\u1ea5y s\u1ef1 c\u1ed1 v\u1edbi \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n. C\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/test.viox.com\/vi\/contactor-troubleshooting-guide-buzzing-coil-failure\/\">H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 Contactor ph\u1ed5 bi\u1ebfn<\/a> c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ch\u1ea9n \u0111o\u00e1n n\u00f3.<\/p>\n<figure style=\"text-align: center; margin: 30px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #ddd;\" src=\"https:\/\/img.viox.com\/A-photorealistic-image-of-an-open-solar-combiner-box-featuring-neatly-installed-VIOX-DC-MCCB-and-a-DC-contactor-representing-a-robust-RSD-solution.webp\" alt=\"A photorealistic image of an open solar combiner box featuring neatly installed VIOX DC MCCB and a DC contactor representing a robust RSD solution\" \/><figcaption style=\"font-style: italic; color: #666; font-size: 0.9em; margin-top: 10px; text-align: center;\">H\u00ecnh 4: VIOX DC \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t chuy\u00ean nghi\u1ec7p <a href=\"https:\/\/test.viox.com\/vi\/mccb\/\">MCCB<\/a> v\u00e0 \u0111i\u1ec7n \u00e1p cao <a href=\"https:\/\/test.viox.com\/vi\/modular-contactor\/\">DC X\u00fac<\/a> b\u00ean trong h\u1ed9p k\u1ebft h\u1ee3p n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, th\u1ec3 hi\u1ec7n m\u1ed9t gi\u1ea3i ph\u00e1p RSD m\u1ea1nh m\u1ebd.<\/figcaption><\/figure>\n<h2>Giai \u0111o\u1ea1n 4: Ph\u00e2n t\u00edch chi ph\u00ed \u2013 B\u1eb1ng ch\u1ee9ng trong h\u00f3a \u0111\u01a1n v\u1eadt t\u01b0<\/h2>\n<p>H\u00e3y \u0111\u1ecbnh l\u01b0\u1ee3ng c\u00e1c kho\u1ea3n ti\u1ebft ki\u1ec7m. M\u1eb7c d\u00f9 gi\u00e1 c\u1ea3 kh\u00e1c nhau, nh\u01b0ng s\u1ef1 kh\u00e1c bi\u1ec7t trong chi\u1ebfn l\u01b0\u1ee3c l\u00e0 r\u1ea5t l\u1edbn.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"10\">\n<thead>\n<tr style=\"background-color: #f5f5f5;\">\n<th>So s\u00e1nh chi ph\u00ed: RSD tr\u00ean m\u1ed7i chu\u1ed7i so v\u1edbi RSD th\u1ee5 \u0111\u1ed9ng t\u1eadp trung<\/th>\n<th>Gi\u1ea3i ph\u00e1p RSD \u0111\u1ed9c quy\u1ec1n (v\u00ed d\u1ee5: d\u1ef1a tr\u00ean MLPE)<\/th>\n<th>Chi\u1ebfn l\u01b0\u1ee3c th\u00e0nh ph\u1ea7n th\u1ee5 \u0111\u1ed9ng VIOX<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i<\/strong><\/td>\n<td>H\u1ed9p RSD \u0111\u1ed9c quy\u1ec1n ho\u1eb7c thi\u1ebft b\u1ecb c\u1ea5p m\u00f4-\u0111un<\/td>\n<td>1x Contactor DC VIOX ho\u1eb7c MCCB c\u00f3 UVR, 1x N\u00fat E-Stop, 1x PSU 24V<\/td>\n<\/tr>\n<tr>\n<td><strong>Chi ph\u00ed \u0111i\u1ec3n h\u00ecnh tr\u00ean m\u1ed7i chu\u1ed7i<\/strong><\/td>\n<td>$150 &#8211; $400<\/td>\n<td>Kh\u00f4ng \u00e1p d\u1ee5ng (Gi\u1ea3i ph\u00e1p t\u1eadp trung)<\/td>\n<\/tr>\n<tr>\n<td><strong>Chi ph\u00ed \u01b0\u1edbc t\u00ednh cho h\u1ec7 th\u1ed1ng 10 chu\u1ed7i<\/strong><\/td>\n<td><strong>$1,500 &#8211; $4,000<\/strong><\/td>\n<td><strong>~$400 &#8211; $700<\/strong> (cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng ng\u1eaft k\u1ebft n\u1ed1i)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/td>\n<td>Cao (Nhi\u1ec1u thi\u1ebft b\u1ecb, giao ti\u1ebfp ph\u1ee9c t\u1ea1p)<\/td>\n<td>Th\u1ea5p (V\u00f2ng \u0111i\u1ec7n c\u01a1 \u0111\u01a1n gi\u1ea3n)<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00e1c \u0111i\u1ec3m h\u1ecfng h\u00f3c v\u1ec1 \u0111\u1ed9 tin c\u1eady<\/strong><\/td>\n<td>H\u00e0ng ch\u1ee5c ho\u1eb7c h\u00e0ng tr\u0103m thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed<\/td>\n<td>3-4 th\u00e0nh ph\u1ea7n c\u00f4ng nghi\u1ec7p m\u1ea1nh m\u1ebd<\/td>\n<\/tr>\n<tr>\n<td><strong>Ti\u1ebft ki\u1ec7m t\u1ed5ng th\u1ec3<\/strong><\/td>\n<td>C\u01a1 s\u1edf<\/td>\n<td><strong>Ti\u1ec1m n\u0103ng &gt;70%<\/strong> tr\u00ean ph\u1ea7n c\u1ee9ng tu\u00e2n th\u1ee7 RSD<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ed1i v\u1edbi m\u1ed9t d\u1ef1 \u00e1n l\u1eafp \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t th\u01b0\u01a1ng m\u1ea1i v\u1edbi h\u00e0ng ch\u1ee5c chu\u1ed7i, \u0111i\u1ec1u n\u00e0y chuy\u1ec3n th\u00e0nh h\u00e0ng ch\u1ee5c ngh\u00ecn \u0111\u00f4 la ti\u1ebft ki\u1ec7m, mang l\u1ea1i cho b\u1ea1n l\u1ee3i th\u1ebf c\u1ea1nh tranh l\u1edbn.<\/p>\n<figure style=\"text-align: center; margin: 30px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #ddd;\" src=\"https:\/\/img.viox.com\/An-engineers-hand-pressing-a-VIOX-rapid-shutdown-emergency-button-demonstrating-the-simple-initiation-of-the-passive-component-safety-system-for-a-solar-array.webp\" alt=\"An engineers hand pressing a VIOX rapid shutdown emergency button demonstrating the simple initiation of the passive component safety system for a solar array\" \/><figcaption style=\"font-style: italic; color: #666; font-size: 0.9em; margin-top: 10px; text-align: center;\">H\u00ecnh 5: Kh\u1edfi t\u1ea1o \u0111\u01a1n gi\u1ea3n h\u1ec7 th\u1ed1ng an to\u00e0n th\u00e0nh ph\u1ea7n th\u1ee5 \u0111\u1ed9ng b\u1eb1ng n\u00fat d\u1eebng kh\u1ea9n c\u1ea5p t\u1eaft nhanh VIOX.<\/figcaption><\/figure>\n<h2>K\u1ebft lu\u1eadn: Tu\u00e2n th\u1ee7 th\u00f4ng minh t\u1ed1t h\u01a1n tu\u00e2n th\u1ee7 t\u1ed1n k\u00e9m<\/h2>\n<p>Vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 tu\u00e2n th\u1ee7 NEC 690.12 kh\u00f4ng nh\u1ea5t thi\u1ebft c\u00f3 ngh\u0129a l\u00e0 khu\u1ea5t ph\u1ee5c tr\u01b0\u1edbc c\u00e1c h\u1ec7 sinh th\u00e1i \u0111i\u1ec7n t\u1eed ph\u1ee9c t\u1ea1p, t\u1ed1n k\u00e9m, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n l\u1eafp \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t v\u00e0 nh\u00e0 \u0111\u1ec3 xe. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc \u0111\u1ea7u ti\u00ean v\u1ec1 an to\u00e0n \u0111i\u1ec7n v\u00e0 s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5p c\u00f4ng nghi\u1ec7p m\u1ea1nh m\u1ebd, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng t\u1eaft nhanh kh\u00f4ng ch\u1ec9 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n m\u00e0 c\u00f2n c\u00f3 th\u1ec3 n\u00f3i l\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>\n<p>Chi\u1ebfn l\u01b0\u1ee3c th\u00e0nh ph\u1ea7n th\u1ee5 \u0111\u1ed9ng VIOX\u2014s\u1eed d\u1ee5ng m\u1ed9t v\u00f2ng l\u1eb7p an to\u00e0n tuy\u1ec7t \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n v\u1edbi contactor DC ho\u1eb7c b\u1ed9 ng\u1eaft m\u1ea1ch \u0111\u01b0\u1ee3c trang b\u1ecb UVR\u2014cho ph\u00e9p b\u1ea1n thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng an to\u00e0n, tu\u00e2n th\u1ee7 v\u00e0 th\u00f4ng minh v\u1ec1 m\u1eb7t kinh t\u1ebf. B\u1ea1n kh\u00f4ng ch\u1ec9 mua m\u1ed9t s\u1ea3n ph\u1ea9m; b\u1ea1n \u0111ang tri\u1ec3n khai m\u1ed9t gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt th\u00f4ng minh h\u01a1n.<\/p>\n<p><strong>B\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng RSD m\u1ea1nh m\u1ebd v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u00e2n s\u00e1ch c\u1ee7a m\u00ecnh ch\u01b0a? Kh\u00e1m ph\u00e1 ph\u1ea1m vi r\u1ed9ng l\u1edbn c\u1ee7a VIOX v\u1ec1 <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-contactor\/\">Ti\u1ebfp \u0111i\u1ec3m DC<\/a>, <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-dc-circuit-breaker\/\">B\u1ed9 ng\u1eaft m\u1ea1ch DC<\/a>, v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n \u0111i\u1ec1u khi\u1ec3n ngay b\u00e2y gi\u1edd.<\/strong><\/p>\n<hr style=\"border: 0; border-top: 1px solid #eee; margin: 40px 0;\" \/>\n<p><strong>Tuy\u00ean b\u1ed1 mi\u1ec5n tr\u1eeb tr\u00e1ch nhi\u1ec7m v\u1ec1 an to\u00e0n:<\/strong> Chi\u1ebfn l\u01b0\u1ee3c \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p m\u1ed9t con \u0111\u01b0\u1eddng kh\u1ea3 thi v\u00e0 tu\u00e2n th\u1ee7 theo quy \u0111\u1ecbnh cho vi\u1ec7c t\u1eaft nhanh \u1edf nhi\u1ec1u khu v\u1ef1c ph\u00e1p l\u00fd. Tuy nhi\u00ean, vi\u1ec7c gi\u1ea3i th\u00edch v\u00e0 ph\u00ea duy\u1ec7t cu\u1ed1i c\u00f9ng c\u1ee7a b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u00e0o thu\u1ed9c v\u1ec1 C\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng (AHJ). Lu\u00f4n tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a thanh tra vi\u00ean \u0111\u1ecba ph\u01b0\u01a1ng c\u1ee7a b\u1ea1n v\u00e0 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t cho thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t. T\u1ea5t c\u1ea3 c\u00f4ng vi\u1ec7c ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c chuy\u00ean gia \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9.<\/p>\n<h2>Ph\u1ea7n C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p ng\u1eafn<\/h2>\n<p><strong>1. T\u1ea5t c\u1ea3 c\u00e1c c\u00e0i \u0111\u1eb7t n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u00f3 y\u00eau c\u1ea7u t\u1eaft nhanh NEC 690.12 kh\u00f4ng?<\/strong><br \/>\nKh\u00f4ng. Y\u00eau c\u1ea7u ch\u1ee7 y\u1ebfu d\u00e0nh cho c\u00e1c h\u1ec7 th\u1ed1ng PV \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean ho\u1eb7c trong c\u00e1c t\u00f2a nh\u00e0. T\u00ednh \u0111\u1ebfn NEC n\u0103m 2023, c\u00e1c c\u1ea5u tr\u00fac kh\u00f4ng k\u00edn, t\u00e1ch r\u1eddi nh\u01b0 l\u1eafp \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t, nh\u00e0 \u0111\u1ec3 xe v\u00e0 gi\u00e0n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi th\u01b0\u1eddng \u0111\u01b0\u1ee3c mi\u1ec5n, m\u1eb7c d\u00f9 quy\u1ebft \u0111\u1ecbnh cu\u1ed1i c\u00f9ng thu\u1ed9c v\u1ec1 AHJ \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n<p><strong>2. T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng contactor ho\u1eb7c b\u1ed9 ng\u1eaft m\u1ea1ch AC ti\u00eau chu\u1ea9n cho \u1ee9ng d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi DC kh\u00f4ng?<\/strong><br \/>\nTuy\u1ec7t \u0111\u1ed1i kh\u00f4ng. <a href=\"https:\/\/test.viox.com\/vi\/dc-vs-ac-circuit-breakers-essential-differences-for-electrical-safety\/\">H\u1ed3 quang AC v\u00e0 DC ho\u1ea1t \u0111\u1ed9ng r\u1ea5t kh\u00e1c nhau<\/a>. H\u1ed3 quang DC kh\u00f3 d\u1eadp t\u1eaft h\u01a1n nhi\u1ec1u. S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c AC trong m\u1ea1ch DC l\u00e0 m\u1ed9t m\u1ed1i nguy hi\u1ec3m nghi\u00eam tr\u1ecdng v\u1ec1 h\u1ecfa ho\u1ea1n v\u00e0 an to\u00e0n. B\u1ea1n ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c c\u1ee5 th\u1ec3 cho \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n DC c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n<p><strong>3. S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa chuy\u1ebfn \u0111i shunt v\u00e0 gi\u1ea3i ph\u00f3ng \u0111i\u1ec7n \u00e1p th\u1ea5p l\u00e0 g\u00ec?<\/strong><br \/>\nChuy\u1ebfn \u0111i shunt (MX) y\u00eau c\u1ea7u b\u1ea1n ph\u1ea3i <em>\u00e1p d\u1ee5ng<\/em> \u0111i\u1ec7n \u0111\u1ec3 ng\u1eaft b\u1ed9 ng\u1eaft m\u1ea1ch. Gi\u1ea3i ph\u00f3ng \u0111i\u1ec7n \u00e1p th\u1ea5p (UVR) <em>m\u1ea5t<\/em> \u0111i\u1ec7n \u0111\u1ec3 ng\u1eaft b\u1ed9 ng\u1eaft m\u1ea1ch. \u0110\u1ed1i v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng an to\u00e0n nh\u01b0 RSD, UVR v\u1ed1n d\u0129 l\u00e0 an to\u00e0n tuy\u1ec7t \u0111\u1ed1i v\u00ec b\u1ea5t k\u1ef3 s\u1ef1 gi\u00e1n \u0111o\u1ea1n n\u00e0o trong ngu\u1ed3n \u0111i\u1ec7n \u0111i\u1ec1u khi\u1ec3n (d\u00e2y b\u1ecb c\u1eaft, m\u1ea5t \u0111i\u1ec7n) \u0111\u1ec1u l\u00e0m m\u1ea5t \u0111i\u1ec7n m\u1ea1ch ch\u00ednh. B\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn th\u00eam chi ti\u1ebft trong <a href=\"https:\/\/test.viox.com\/vi\/shunt-trip-vs-trip-coil\/\">H\u01b0\u1edbng d\u1eabn Chuy\u1ebfn \u0111i Shunt so v\u1edbi Gi\u1ea3i ph\u00f3ng \u0111i\u1ec7n \u00e1p th\u1ea5p<\/a>.<\/p>\n<p><strong>4. L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 \u0111\u1ecbnh c\u1ee1 contactor ho\u1eb7c b\u1ed9 ng\u1eaft m\u1ea1ch DC cho h\u1ec7 th\u1ed1ng c\u1ee7a t\u00f4i?<\/strong><br \/>\nThi\u1ebft b\u1ecb ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c \u0111\u1ec3 x\u1eed l\u00fd \u0111i\u1ec7n \u00e1p DC t\u1ed1i \u0111a (Vmp) v\u00e0 d\u00f2ng \u0111i\u1ec7n (Imp) c\u1ee7a h\u1ec7 th\u1ed1ng. B\u1ea1n c\u0169ng n\u00ean t\u00ednh \u0111\u1ebfn h\u1ec7 s\u1ed1 an to\u00e0n, th\u01b0\u1eddng l\u00e0 125% d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c t\u1ed1i \u0111a v\u00e0 xem x\u00e9t vi\u1ec7c gi\u1ea3m \u0111\u1ecbnh m\u1ee9c cho nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng theo h\u01b0\u1edbng d\u1eabn c\u1ee7a NEC.<\/p>\n<p><strong>5. V\u1eady, \u0111\u1ec3 r\u00f5 r\u00e0ng, h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng c\u1ea7n t\u1eaft m\u00e1y nhanh ph\u1ea3i kh\u00f4ng?<\/strong><br \/>\nM\u1eb7c d\u00f9 NEC 2023 \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t ngo\u1ea1i l\u1ec7 r\u00f5 r\u00e0ng, nh\u01b0ng AHJ (c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n) c\u00f3 quy\u1ec1n quy\u1ebft \u0111\u1ecbnh cu\u1ed1i c\u00f9ng. M\u1ed9t s\u1ed1 khu v\u1ef1c ph\u00e1p l\u00fd v\u1eabn c\u00f3 th\u1ec3 y\u00eau c\u1ea7u ng\u1eaft k\u1ebft n\u1ed1i \u1edf c\u1ea5p chu\u1ed7i cho c\u00e1c h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t, \u0111\u1eb7c bi\u1ec7t n\u1ebfu d\u00e2y d\u1eabn DC \u0111i v\u00e0o t\u00f2a nh\u00e0 v\u00ec b\u1ea5t k\u1ef3 l\u00fd do g\u00ec. Gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u00e0i vi\u1ebft n\u00e0y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p ho\u00e0n h\u1ea3o, chi ph\u00ed th\u1ea5p \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u \u0111\u00f3 \u1edf c\u1ea5p chu\u1ed7i.<\/p>\n<p><strong>6. C\u1ea7n b\u1ea3o tr\u00ec g\u00ec cho h\u1ec7 th\u1ed1ng RSD d\u1ef1a tr\u00ean contactor?<\/strong><br \/>\nVi\u1ec7c b\u1ea3o tr\u00ec l\u00e0 t\u1ed1i thi\u1ec3u nh\u01b0ng quan tr\u1ecdng. Ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb ki\u1ec3m tra h\u00e0ng n\u0103m nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a vi\u1ec7c ki\u1ec3m tra h\u1ec7 th\u1ed1ng th\u01b0\u1eddng xuy\u00ean c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m ki\u1ec3m tra tr\u1ef1c quan xem c\u00f3 b\u1ea5t k\u1ef3 d\u1ea5u hi\u1ec7u qu\u00e1 nhi\u1ec7t ho\u1eb7c \u0103n m\u00f2n n\u00e0o kh\u00f4ng v\u00e0 ki\u1ec3m tra ch\u1ee9c n\u0103ng c\u1ee7a n\u00fat D\u1eebng kh\u1ea9n c\u1ea5p (E-Stop) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o contactor m\u1edf nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady. Tham kh\u1ea3o <a href=\"https:\/\/test.viox.com\/vi\/industrial-contactor-maintenance-inspection-checklist\/\">Danh s\u00e1ch ki\u1ec3m tra b\u1ea3o tr\u00ec Contactor c\u00f4ng nghi\u1ec7p<\/a> \u0111\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5029.23px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5029.23px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 6346.72px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 6346.72px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 831.328px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 831.328px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Navigating NEC 690.12 rapid shutdown (RSD) requirements often feels like a direct hit to your project&#8217;s bottom line. Many solar installers and EPCs believe that expensive Module-Level Power Electronics (MLPE), like microinverters or optimizers, are the only path to compliance. This can add thousands of dollars to a project, squeezing margins and making bids less [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21232,"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-21229","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\/21229","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=21229"}],"version-history":[{"count":3,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21229\/revisions"}],"predecessor-version":[{"id":23337,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21229\/revisions\/23337"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/21232"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=21229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=21229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=21229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}