{"id":21269,"date":"2026-01-11T16:56:21","date_gmt":"2026-01-11T08:56:21","guid":{"rendered":"https:\/\/viox.com\/?p=21269"},"modified":"2026-01-11T16:56:23","modified_gmt":"2026-01-11T08:56:23","slug":"solid-state-circuit-breaker-sscb-nvidia-tesla-switch","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/solid-state-circuit-breaker-sscb-nvidia-tesla-switch\/","title":{"rendered":"S\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a C\u1ea7u dao b\u00e1n d\u1eabn (SSCB): T\u1ea1i sao Nvidia v\u00e0 Tesla \u0111ang th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i"},"content":{"rendered":"<div class=\"product-intro\">\n<p>V\u00e0o ng\u00e0y 5 th\u00e1ng 1 n\u0103m 2026, b\u1ed1i c\u1ea3nh k\u1ef9 thu\u1eadt \u0111i\u1ec7n \u0111\u00e3 thay \u0111\u1ed5i m\u1ed9t c\u00e1ch kh\u00f3 nh\u1eadn th\u1ea5y nh\u01b0ng \u0111\u00e1ng k\u1ec3. Trong bu\u1ed5i ra m\u1eaft <strong>n\u1ec1n t\u1ea3ng si\u00eau chip AI Vera Rubin<\/strong>, Gi\u00e1m \u0111\u1ed1c \u0111i\u1ec1u h\u00e0nh Nvidia Jensen Huang \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t chi ti\u1ebft c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng th\u01b0\u1eddng b\u1ecb gi\u1edbi truy\u1ec1n th\u00f4ng ti\u00eau d\u00f9ng b\u1ecf qua: s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a n\u1ec1n t\u1ea3ng v\u00e0o <strong>B\u1ed9 ng\u1eaft m\u1ea1ch tr\u1ea1ng th\u00e1i r\u1eafn (SSCB)<\/strong> \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u1ea5p t\u1ee7 rack.<\/p>\n<p>G\u1ea7n nh\u01b0 \u0111\u1ed3ng th\u1eddi, ph\u00e2n t\u00edch m\u00e3 c\u1ee7a <strong>b\u1ea3n c\u1eadp nh\u1eadt \u1ee9ng d\u1ee5ng v4.52.0 c\u1ee7a Tesla<\/strong> \u0111\u00e3 ti\u1ebft l\u1ed9 c\u00e1c tham chi\u1ebfu \u0111\u1ebfn \u201cAbleEdge\u201d, m\u1ed9t logic ng\u1eaft m\u1ea1ch th\u00f4ng minh \u0111\u1ed9c quy\u1ec1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng Powerwall 3+.<\/p>\n<p>T\u1ea1i sao c\u00e1c c\u00f4ng ty n\u0103ng l\u01b0\u1ee3ng v\u00e0 AI h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi l\u1ea1i t\u1eeb b\u1ecf c\u00f4ng ngh\u1ec7 chuy\u1ec3n m\u1ea1ch c\u01a1 h\u1ecdc \u0111\u00e3 c\u00f3 tu\u1ed5i \u0111\u1eddi 100 n\u0103m? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf v\u1eadt l\u00fd c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n DC v\u00e0 s\u1ef1 kh\u00f4ng dung n\u1ea1p c\u1ee7a silicon hi\u1ec7n \u0111\u1ea1i \u0111\u1ed1i v\u1edbi c\u00e1c l\u1ed7i \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 c\u1ee7a VIOX Electric v\u00e0 c\u00e1c \u0111\u1ed1i t\u00e1c c\u1ee7a ch\u00fang t\u00f4i trong l\u0129nh v\u1ef1c n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, s\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y th\u1ec3 hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i quan tr\u1ecdng nh\u1ea5t trong b\u1ea3o v\u1ec7 m\u1ea1ch k\u1ec3 t\u1eeb khi ph\u00e1t minh ra <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-molded-case-circuit-breaker-mccb\/\">B\u1ed9 ng\u1eaft m\u1ea1ch v\u1ecf \u0111\u00fac (MCCB)<\/a>.<\/p>\n<h2>V\u1ea5n \u0111\u1ec1 V\u1eadt l\u00fd: T\u1ea1i sao B\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc Th\u1ea5t b\u1ea1i trong L\u01b0\u1edbi \u0111i\u1ec7n DC<\/h2>\n<p>B\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc truy\u1ec1n th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho th\u1ebf gi\u1edbi D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (AC). Trong h\u1ec7 th\u1ed1ng AC, d\u00f2ng \u0111i\u1ec7n t\u1ef1 nhi\u00ean \u0111i qua \u0111i\u1ec3m kh\u00f4ng 100 ho\u1eb7c 120 l\u1ea7n m\u1ed7i gi\u00e2y (\u1edf t\u1ea7n s\u1ed1 50\/60Hz). \u0110i\u1ec3m \u201cv\u01b0\u1ee3t qua \u0111i\u1ec3m kh\u00f4ng\u201d n\u00e0y cung c\u1ea5p m\u1ed9t c\u01a1 h\u1ed9i t\u1ef1 nhi\u00ean \u0111\u1ec3 d\u1eadp t\u1eaft h\u1ed3 quang \u0111i\u1ec7n h\u00ecnh th\u00e0nh khi c\u00e1c ti\u1ebfp \u0111i\u1ec3m t\u00e1ch ra.<\/p>\n<p><strong>L\u01b0\u1edbi \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC) kh\u00f4ng c\u00f3 \u0111i\u1ec3m v\u01b0\u1ee3t qua \u0111i\u1ec3m kh\u00f4ng.<\/strong> Khi m\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc c\u1ed1 g\u1eafng ng\u1eaft t\u1ea3i DC \u0111i\u1ec7n \u00e1p cao\u2014th\u01b0\u1eddng th\u1ea5y trong c\u00e1c tr\u1ea1m s\u1ea1c EV, m\u1ea3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 t\u1ee7 rack m\u00e1y ch\u1ee7 AI\u2014h\u1ed3 quang kh\u00f4ng t\u1ef1 d\u1eadp t\u1eaft. N\u00f3 duy tr\u00ec, t\u1ea1o ra nhi\u1ec7t l\u01b0\u1ee3ng l\u1edbn (nhi\u1ec7t \u0111\u1ed9 plasma v\u01b0\u1ee3t qu\u00e1 10.000\u00b0C) l\u00e0m h\u1ecfng c\u00e1c ti\u1ebfp \u0111i\u1ec3m v\u00e0 g\u00e2y nguy c\u01a1 h\u1ecfa ho\u1ea1n.<\/p>\n<p>H\u01a1n n\u1eefa, b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n l\u00e0 qu\u00e1 ch\u1eadm. M\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-dc-circuit-breaker\/\">C\u1ea7u dao DC<\/a> ti\u00eau chu\u1ea9n d\u1ef1a v\u00e0o m\u1ed9t d\u1ea3i nhi\u1ec7t ho\u1eb7c cu\u1ed9n d\u00e2y t\u1eeb t\u00ednh \u0111\u1ec3 m\u1edf kh\u00f3a c\u01a1 ch\u1ebf l\u00f2 xo m\u1ed9t c\u00e1ch v\u1eadt l\u00fd. Th\u1eddi gian gi\u1ea3i ph\u00f3ng c\u01a1 h\u1ecdc nhanh nh\u1ea5t th\u01b0\u1eddng l\u00e0 <strong>10 \u0111\u1ebfn 20 mili gi\u00e2y<\/strong>.<\/p>\n<p>Trong m\u1ed9t microgrid DC c\u00f3 \u0111\u1ed9 t\u1ef1 c\u1ea3m th\u1ea5p (nh\u01b0 b\u00ean trong m\u1ed9t t\u1ee7 rack m\u00e1y ch\u1ee7 ho\u1eb7c b\u1ed9 s\u1ea1c EV), d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 t\u0103ng l\u00ean m\u1ee9c ph\u00e1 h\u1ee7y trong <strong>micro gi\u00e2y<\/strong>. V\u00e0o th\u1eddi \u0111i\u1ec3m b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc t\u00e1c \u0111\u1ed9ng, c\u00e1c b\u00f3ng b\u00e1n d\u1eabn l\u01b0\u1ee1ng c\u1ef1c c\u1ed5ng c\u00e1ch \u0111i\u1ec7n (IGBT) nh\u1ea1y c\u1ea3m trong bi\u1ebfn t\u1ea7n ho\u1eb7c silicon trong GPU c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb ph\u00e1 h\u1ee7y.<\/p>\n<h2>B\u1ed9 ng\u1eaft m\u1ea1ch tr\u1ea1ng th\u00e1i r\u1eafn (SSCB) l\u00e0 g\u00ec?<\/h2>\n<p>B\u1ed9 ng\u1eaft m\u1ea1ch tr\u1ea1ng th\u00e1i r\u1eafn l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ho\u00e0n to\u00e0n b\u1eb1ng \u0111i\u1ec7n t\u1eed s\u1eed d\u1ee5ng ch\u1ea5t b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t \u0111\u1ec3 d\u1eabn v\u00e0 ng\u1eaft d\u00f2ng \u0111i\u1ec7n. N\u00f3 ch\u1ee9a <strong>kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng<\/strong>.<\/p>\n<p>Thay v\u00ec t\u00e1ch c\u00e1c ti\u1ebfp \u0111i\u1ec3m kim lo\u1ea1i m\u1ed9t c\u00e1ch v\u1eadt l\u00fd, SSCB \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p c\u1ed5ng c\u1ee7a m\u1ed9t b\u00f3ng b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t\u2014th\u01b0\u1eddng l\u00e0 IGBT Silicon, MOSFET Silicon Carbide (SiC) ho\u1eb7c Thyristor chuy\u1ec3n m\u1ea1ch c\u1ed5ng t\u00edch h\u1ee3p (IGCT). Khi logic \u0111i\u1ec1u khi\u1ec3n ph\u00e1t hi\u1ec7n ra l\u1ed7i, n\u00f3 s\u1ebd lo\u1ea1i b\u1ecf t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n c\u1ed5ng, bu\u1ed9c ch\u1ea5t b\u00e1n d\u1eabn v\u00e0o tr\u1ea1ng th\u00e1i kh\u00f4ng d\u1eabn \u0111i\u1ec7n g\u1ea7n nh\u01b0 ngay l\u1eadp t\u1ee9c.<\/p>\n<h3>\u201cS\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a t\u1ed1c \u0111\u1ed9\u201d: Micro gi\u00e2y so v\u1edbi Mili gi\u00e2y<\/h3>\n<p>\u01afu \u0111i\u1ec3m r\u00f5 r\u00e0ng c\u1ee7a c\u00f4ng ngh\u1ec7 SSCB l\u00e0 t\u1ed1c \u0111\u1ed9.<\/p>\n<ul>\n<li><strong>Th\u1eddi gian t\u00e1c \u0111\u1ed9ng c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc:<\/strong> ~10.000 \u0111\u1ebfn 20.000 micro gi\u00e2y (10-20ms)<\/li>\n<li><strong>Th\u1eddi gian t\u00e1c \u0111\u1ed9ng c\u1ee7a VIOX SSCB:<\/strong> ~1 \u0111\u1ebfn 10 micro gi\u00e2y<\/li>\n<\/ul>\n<p>\u01afu \u0111i\u1ec3m t\u1ed1c \u0111\u1ed9 g\u1ea5p 1000 l\u1ea7n n\u00e0y c\u00f3 ngh\u0129a l\u00e0 SSCB \u201c\u0111\u00f3ng b\u0103ng\u201d hi\u1ec7u qu\u1ea3 m\u1ed9t \u0111o\u1ea3n m\u1ea1ch tr\u01b0\u1edbc khi d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn gi\u00e1 tr\u1ecb ti\u1ec1m n\u0103ng c\u1ef1c \u0111\u1ea1i c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n<\/strong>, nh\u01b0ng \u1edf quy m\u00f4 m\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u01a1 h\u1ecdc kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c.<\/p>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Comparison-of-arc-formation-in-mechanical-breakers-vs-arc-free-solid-state-circuit-breaker-operation-speed.webp\" alt=\"Comparison of arc formation in mechanical breakers vs arc-free solid-state circuit breaker operation speed\" \/><figcaption style=\"text-align: center; font-style: italic; margin-top: 10px; color: #555;\">So s\u00e1nh s\u1ef1 h\u00ecnh th\u00e0nh h\u1ed3 quang trong b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc so v\u1edbi ho\u1ea1t \u0111\u1ed9ng c\u1ef1c nhanh, kh\u00f4ng c\u00f3 h\u1ed3 quang c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch tr\u1ea1ng th\u00e1i r\u1eafn.<\/figcaption><\/figure>\n<h2>Ph\u00e2n t\u00edch so s\u00e1nh: SSCB so v\u1edbi B\u1ea3o v\u1ec7 truy\u1ec1n th\u1ed1ng<\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u v\u1ecb tr\u00ed c\u1ee7a SSCB tr\u00ean th\u1ecb tr\u01b0\u1eddng, ch\u00fang ta ph\u1ea3i so s\u00e1nh ch\u00fang tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p hi\u1ec7n c\u00f3 nh\u01b0 c\u1ea7u ch\u00ec v\u00e0 b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc.<\/p>\n<h3>1. Ma tr\u1eadn so s\u00e1nh c\u00f4ng ngh\u1ec7<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f8f8f8;\">\n<th>N\u0103ng<\/th>\n<th>C\u1ea7u ch\u00ec<\/th>\n<th>B\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc (MCB\/MCCB)<\/th>\n<th>B\u1ed9 ng\u1eaft m\u1ea1ch tr\u1ea1ng th\u00e1i r\u1eafn (SSCB)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>C\u01a1 ch\u1ebf Chuy\u1ec3n m\u1ea1ch<\/strong><\/td>\n<td>N\u00f3ng ch\u1ea3y ph\u1ea7n t\u1eed nhi\u1ec7t<\/td>\n<td>T\u00e1ch ti\u1ebfp \u0111i\u1ec3m v\u1eadt l\u00fd<\/td>\n<td>Ch\u1ea5t b\u00e1n d\u1eabn (IGBT\/MOSFET)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u1ea3n \u1ee8ng Th\u1eddi Gian<\/strong><\/td>\n<td>Ch\u1eadm (Ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t)<\/td>\n<td>Trung b\u00ecnh (10-20ms)<\/td>\n<td><strong>C\u1ef1c nhanh (&lt;10\u03bcs)<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>H\u1ed3 quang \u0111i\u1ec7n<\/strong><\/td>\n<td>Ch\u1ee9a trong th\u00e2n c\u00e1t\/g\u1ed1m<\/td>\n<td><a href=\"https:\/\/test.viox.com\/vi\/what-is-an-arc-in-a-circuit-breaker\/\">H\u1ed3 quang \u0111\u00e1ng k\u1ec3<\/a> (Y\u00eau c\u1ea7u m\u00e1ng d\u1eadp h\u1ed3 quang)<\/td>\n<td><strong>Kh\u00f4ng c\u00f3 h\u1ed3 quang<\/strong> (Kh\u00f4ng ti\u1ebfp x\u00fac)<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 n\u0103ng thi\u1ebft l\u1eadp l\u1ea1i<\/strong><\/td>\n<td>Kh\u00f4ng c\u00f3 (S\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n)<\/td>\n<td>Th\u1ee7 c\u00f4ng ho\u1eb7c C\u01a1 gi\u1edbi<\/td>\n<td><strong>T\u1ef1 \u0111\u1ed9ng\/T\u1eeb xa (K\u1ef9 thu\u1eadt s\u1ed1)<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o tr\u00ec<\/strong><\/td>\n<td>Thay th\u1ebf sau l\u1ed7i<\/td>\n<td>Hao m\u00f2n tr\u00ean c\u00e1c ti\u1ebfp \u0111i\u1ec3m (Gi\u1edbi h\u1ea1n \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n)<\/td>\n<td><strong>Kh\u00f4ng hao m\u00f2n<\/strong> (Ho\u1ea1t \u0111\u1ed9ng v\u00f4 h\u1ea1n)<\/td>\n<\/tr>\n<tr>\n<td><strong>Th\u00f4ng minh<\/strong><\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>H\u1ea1n ch\u1ebf (\u0110\u01b0\u1eddng cong t\u00e1c \u0111\u1ed9ng \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh)<\/td>\n<td><strong>Cao<\/strong> (\u0110\u01b0\u1eddng cong c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh, d\u1eef li\u1ec7u IoT)<\/td>\n<\/tr>\n<tr>\n<td><strong>Chi ph\u00ed<\/strong><\/td>\n<td>Th\u1ea5p<\/td>\n<td>V\u1eeba<\/td>\n<td>Cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. L\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 b\u00e1n d\u1eabn<\/h3>\n<p>Hi\u1ec7u su\u1ea5t c\u1ee7a SSCB ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o v\u1eadt li\u1ec7u b\u00e1n d\u1eabn c\u01a1 b\u1ea3n.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f8f8f8;\">\n<th>Lo\u1ea1i ch\u1ea5t b\u00e1n d\u1eabn<\/th>\n<th>\u0110i\u1ec7n \u0110\u00e1nh Gi\u00e1<\/th>\n<th>T\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed5i<\/th>\n<th>Hi\u1ec7u su\u1ea5t d\u1eabn \u0111i\u1ec7n<\/th>\n<th>\u1ee8ng d\u1ee5ng ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>IGBT Silicon (Si)<\/strong><\/td>\n<td>Cao (&gt;1000V)<\/td>\n<td>Nhanh<\/td>\n<td>V\u1eeba ph\u1ea3i (S\u1ee5t \u00e1p ~1.5V-2V)<\/td>\n<td>\u1ed4 \u0111\u0129a c\u00f4ng nghi\u1ec7p, Ph\u00e2n ph\u1ed1i l\u01b0\u1edbi \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td><strong>MOSFET Silicon Carbide (SiC)<\/strong><\/td>\n<td>Cao (&gt;1200V)<\/td>\n<td>Si\u00eau nhanh<\/td>\n<td>Cao (\u0110i\u1ec7n tr\u1edf R th\u1ea5p<sub>DS(on)<\/sub>)<\/td>\n<td>S\u1ea1c EV, Bi\u1ebfn t\u1ea7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, Gi\u00e1 \u0111\u1ee1 AI<\/td>\n<\/tr>\n<tr>\n<td><strong>HEMT Gallium Nitride (GaN)<\/strong><\/td>\n<td>Trung b\u00ecnh (&lt;650V)<\/td>\n<td>Nhanh nh\u1ea5t<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>\u0110i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, Vi\u1ec5n th\u00f4ng 48V<\/td>\n<\/tr>\n<tr>\n<td><strong>IGCT<\/strong><\/td>\n<td>R\u1ea5t cao (&gt;4.5kV)<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Truy\u1ec1n t\u1ea3i MV\/HV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh th\u00fac \u0111\u1ea9y vi\u1ec7c \u00e1p d\u1ee5ng<\/h2>\n<h3>Trung t\u00e2m d\u1eef li\u1ec7u AI (Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng Nvidia)<\/h3>\n<p>C\u00e1c c\u1ee5m AI hi\u1ec7n \u0111\u1ea1i, nh\u01b0 nh\u1eefng c\u1ee5m ch\u1ea1y chip Vera Rubin, ti\u00eau th\u1ee5 Megawatt \u0111i\u1ec7n. \u0110o\u1ea3n m\u1ea1ch trong m\u1ed9t gi\u00e1 \u0111\u1ee1 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111i\u1ec7n \u00e1p c\u1ee7a bus DC chung, khi\u1ebfn c\u00e1c gi\u00e1 \u0111\u1ee1 li\u1ec1n k\u1ec1 kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u2014 m\u1ed9t k\u1ecbch b\u1ea3n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cl\u1ed7i x\u1ebfp t\u1ea7ng\u201d.\u201d<br \/>\nSSCB c\u00f4 l\u1eadp c\u00e1c l\u1ed7i r\u1ea5t nhanh ch\u00f3ng \u0111\u1ebfn m\u1ee9c \u0111i\u1ec7n \u00e1p tr\u00ean bus ch\u00ednh kh\u00f4ng gi\u1ea3m \u0111\u00e1ng k\u1ec3, cho ph\u00e9p ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a trung t\u00e2m d\u1eef li\u1ec7u ti\u1ebfp t\u1ee5c t\u00ednh to\u00e1n m\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kh\u1ea3 n\u0103ng \u201cRide-Through\u201d.<\/p>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-SSCB-installation-in-AI-data-center-protecting-high-density-server-racks.webp\" alt=\"VIOX SSCB installation in AI data center protecting high-density server racks\" \/><figcaption style=\"text-align: center; font-style: italic; margin-top: 10px; color: #555;\">VIOX SSCB \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong m\u1ed9t trung t\u00e2m d\u1eef li\u1ec7u AI m\u1eadt \u0111\u1ed9 cao \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c gi\u00e1 \u0111\u1ee1 m\u00e1y ch\u1ee7 quan tr\u1ecdng.<\/figcaption><\/figure>\n<h3>S\u1ea1c EV v\u00e0 L\u01b0\u1edbi \u0111i\u1ec7n th\u00f4ng minh (Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng Tesla)<\/h3>\n<p>Khi ch\u00fang ta ti\u1ebfn t\u1edbi <strong>S\u1ea1c hai chi\u1ec1u (V2G)<\/strong>, n\u0103ng l\u01b0\u1ee3ng ph\u1ea3i ch\u1ea3y theo c\u1ea3 hai h\u01b0\u1edbng. C\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc l\u00e0 \u0111\u01a1n h\u01b0\u1edbng ho\u1eb7c y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c h\u1ed3 quang hai chi\u1ec1u. SSCB c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi MOSFET l\u01b0ng \u0111\u1ed1i l\u01b0ng \u0111\u1ec3 x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n hai chi\u1ec1u m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch. Ngo\u00e0i ra, c\u00e1c <a href=\"https:\/\/test.viox.com\/vi\/smart-circuit-breakers-vs-traditional-circuit-breakers\/\">t\u00ednh n\u0103ng th\u00f4ng minh<\/a> cho ph\u00e9p b\u1ed9 ng\u1eaft m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o c\u1ea5p ti\u1ec7n \u00edch, b\u00e1o c\u00e1o d\u1eef li\u1ec7u ti\u00eau th\u1ee5 theo th\u1eddi gian th\u1ef1c cho nh\u00e0 \u0111i\u1ec1u h\u00e0nh l\u01b0\u1edbi \u0111i\u1ec7n.<\/p>\n<h3>H\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n m\u1eb7t tr\u1eddi (PV)<\/h3>\n<p>TRONG <a href=\"https:\/\/test.viox.com\/vi\/pv-dc-protection-explained-mcbs-fuses-and-spds-vs-rcds\/\">B\u1ea3o v\u1ec7 PV DC<\/a>, vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefa d\u00f2ng t\u1ea3i b\u00ecnh th\u01b0\u1eddng v\u00e0 l\u1ed7i h\u1ed3 quang tr\u1edf kh\u00e1ng cao l\u00e0 kh\u00f3 kh\u0103n \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch nhi\u1ec7t t\u1eeb. SSCB s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n ti\u00ean ti\u1ebfn \u0111\u1ec3 ph\u00e2n t\u00edch d\u1ea1ng s\u00f3ng d\u00f2ng \u0111i\u1ec7n (di\/dt) v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c d\u1ea5u hi\u1ec7u h\u1ed3 quang m\u00e0 c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch nhi\u1ec7t b\u1ecf l\u1ee1, ng\u0103n ng\u1eeba h\u1ecfa ho\u1ea1n tr\u00ean m\u00e1i nh\u00e0.<\/p>\n<h2>T\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 k\u1ef9 thu\u1eadt: B\u00ean trong VIOX SSCB<\/h2>\n<p>SSCB kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng t\u1eafc; n\u00f3 l\u00e0 m\u1ed9t m\u00e1y t\u00ednh v\u1edbi m\u1ed9t t\u1ea7ng c\u00f4ng su\u1ea5t.<\/p>\n<ol>\n<li><strong>C\u00f4ng t\u1eafc:<\/strong> M\u1ed9t ma tr\u1eadn MOSFET SiC cung c\u1ea5p \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n tr\u1edf th\u1ea5p cho d\u00f2ng \u0111i\u1ec7n.<\/li>\n<li><strong>Snubber\/MOV:<\/strong> V\u00ec t\u1ea3i c\u1ea3m kh\u00e1ng ch\u1ed1ng l\u1ea1i vi\u1ec7c d\u1eebng d\u00f2ng \u0111i\u1ec7n \u0111\u1ed9t ng\u1ed9t (\u0110i\u1ec7n \u00e1p = L * di\/dt), m\u1ed9t Varistor oxit kim lo\u1ea1i (MOV) \u0111\u01b0\u1ee3c \u0111\u1eb7t song song \u0111\u1ec3 h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng flyback v\u00e0 k\u1eb9p c\u00e1c gai \u0111i\u1ec7n \u00e1p.<\/li>\n<li><strong>B\u1ed9 n\u00e3o:<\/strong> M\u1ed9t vi \u0111i\u1ec1u khi\u1ec3n l\u1ea5y m\u1eabu d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p \u1edf t\u1ea7n s\u1ed1 megahertz, so s\u00e1nh ch\u00fang v\u1edbi c\u00e1c <a href=\"https:\/\/test.viox.com\/vi\/understanding-trip-curves\/\">\u0111\u01b0\u1eddng cong ng\u1eaft<\/a>.<\/li>\n<\/ol>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Technical-cutaway-diagram-of-VIOX-solid-state-circuit-breaker-internal-components-and-architecture.webp\" alt=\"Technical cutaway diagram of VIOX solid-state circuit breaker internal components and architecture\" \/><figcaption style=\"text-align: center; font-style: italic; margin-top: 10px; color: #555;\">S\u01a1 \u0111\u1ed3 c\u1eaft k\u1ef9 thu\u1eadt cho th\u1ea5y c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 ki\u1ebfn tr\u00fac b\u00ean trong c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch tr\u1ea1ng th\u00e1i r\u1eafn VIOX.<\/figcaption><\/figure>\n<h3>Th\u00e1ch th\u1ee9c v\u1ec1 nhi\u1ec7t<\/h3>\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh c\u1ee7a SSCB l\u00e0 <strong>T\u1ed5n th\u1ea5t d\u1eabn \u0111i\u1ec7n<\/strong>. Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t ti\u1ebfp \u0111i\u1ec3m c\u01a1 h\u1ecdc c\u00f3 \u0111i\u1ec7n tr\u1edf g\u1ea7n b\u1eb1ng kh\u00f4ng, ch\u1ea5t b\u00e1n d\u1eabn c\u00f3 \u201c\u0110i\u1ec7n tr\u1edf tr\u1ea1ng th\u00e1i b\u1eadt\u201d (R<sub>DS(on)<\/sub>).<\/p>\n<ul>\n<li><em>V\u00ed d\u1ee5:<\/em> N\u1ebfu m\u1ed9t SSCB c\u00f3 \u0111i\u1ec7n tr\u1edf 10 milliohm v\u00e0 mang 100A, n\u00f3 t\u1ea1o ra t\u1ed5n th\u1ea5t I<sup>2<\/sup>R: 100<sup>2<\/sup> \u00d7 0.01 = 100 Watts nhi\u1ec7t.<br \/>\n\u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i l\u00e0m m\u00e1t ch\u1ee7 \u0111\u1ed9ng ho\u1eb7c t\u1ea3n nhi\u1ec7t l\u1edbn, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd so v\u1edbi <a href=\"https:\/\/test.viox.com\/vi\/types-of-circuit-breakers\/\">k\u00edch th\u01b0\u1edbc b\u1ed9 ng\u1eaft m\u1ea1ch ti\u00eau chu\u1ea9n<\/a>.<\/li>\n<\/ul>\n<h2>Chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai cho ng\u01b0\u1eddi c\u00e0i \u0111\u1eb7t<\/h2>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c EPC v\u00e0 ng\u01b0\u1eddi c\u00e0i \u0111\u1eb7t \u0111ang t\u00ecm c\u00e1ch t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 SSCB, ch\u00fang t\u00f4i khuy\u00ean d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p k\u1ebft h\u1ee3p trong giai \u0111o\u1ea1n chuy\u1ec3n \u0111\u1ed5i n\u00e0y.<\/p>\n<h3>3. Ma tr\u1eadn ph\u00e2n lo\u1ea1i \u1ee9ng d\u1ee5ng<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f8f8f8;\">\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<th>B\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/th>\n<th>C\u01a1 s\u1edf l\u00fd lu\u1eadn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>L\u1ed1i v\u00e0o ch\u00ednh c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n (AC)<\/strong><\/td>\n<td><strong>C\u01a1 kh\u00ed \/ MCCB<\/strong><\/td>\n<td>D\u00f2ng \u0111i\u1ec7n cao, t\u1ea7n s\u1ed1 chuy\u1ec3n m\u1ea1ch th\u1ea5p, chi ph\u00ed \u1ed5n \u0111\u1ecbnh.<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ed9 k\u1ebft h\u1ee3p chu\u1ed7i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi (DC)<\/strong><\/td>\n<td><strong>C\u1ea7u ch\u00ec \/ MCB DC<\/strong><\/td>\n<td>Nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed, nhu c\u1ea7u b\u1ea3o v\u1ec7 \u0111\u01a1n gi\u1ea3n.<\/td>\n<\/tr>\n<tr>\n<td><strong>L\u01b0u tr\u1eef pin (ESS)<\/strong><\/td>\n<td><strong>SSCB ho\u1eb7c Hybrid<\/strong><\/td>\n<td>C\u1ea7n chuy\u1ec3n m\u1ea1ch hai chi\u1ec1u nhanh v\u00e0 gi\u1ea3m h\u1ed3 quang \u0111i\u1ec7n.<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ed9 s\u1ea1c nhanh EV (DC)<\/strong><\/td>\n<td><strong>SSCB<\/strong><\/td>\n<td>An to\u00e0n quan tr\u1ecdng, DC \u0111i\u1ec7n \u00e1p cao, chuy\u1ec3n m\u1ea1ch l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ea3i nh\u1ea1y c\u1ea3m (M\u00e1y ch\u1ee7\/Y t\u1ebf)<\/strong><\/td>\n<td><strong>SSCB<\/strong><\/td>\n<td>Y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 m\u1ee9c micro gi\u00e2y \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-SSCB-fault-detection-and-interruption-sequence-flowchart-with-microsecond-response-times.webp\" alt=\"VIOX SSCB fault detection and interruption sequence flowchart with microsecond response times\" \/><figcaption style=\"text-align: center; font-style: italic; margin-top: 10px; color: #555;\">L\u01b0u \u0111\u1ed3 minh h\u1ecda tr\u00ecnh t\u1ef1 ph\u00e1t hi\u1ec7n v\u00e0 ng\u1eaft l\u1ed7i c\u1ee7a VIOX SSCB v\u1edbi th\u1eddi gian ph\u1ea3n h\u1ed3i micro gi\u00e2y.<\/figcaption><\/figure>\n<h2>Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai: B\u1ed9 ng\u1eaft m\u1ea1ch Hybrid<\/h2>\n<p>Trong khi SSCB thu\u1ea7n t\u00fay l\u00fd t\u01b0\u1edfng cho \u0111i\u1ec7n \u00e1p th\u1ea5p\/trung b\u00ecnh, <strong>M\u00e1y c\u1eaft m\u1ea1ch lai<\/strong> \u0111ang n\u1ed5i l\u00ean cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng su\u1ea5t cao h\u01a1n. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y k\u1ebft h\u1ee3p m\u1ed9t c\u00f4ng t\u1eafc c\u01a1 h\u1ecdc \u0111\u1ec3 d\u1eabn \u0111i\u1ec7n t\u1ed5n th\u1ea5t th\u1ea5p v\u00e0 m\u1ed9t nh\u00e1nh b\u00e1n d\u1eabn song song \u0111\u1ec3 chuy\u1ec3n m\u1ea1ch kh\u00f4ng h\u1ed3 quang. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i \u201ct\u1ed1t nh\u1ea5t c\u1ee7a c\u1ea3 hai th\u1ebf gi\u1edbi\u201d: hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c ti\u1ebfp \u0111i\u1ec3m c\u01a1 h\u1ecdc v\u00e0 t\u1ed1c \u0111\u1ed9\/ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng h\u1ed3 quang c\u1ee7a ch\u1ea5t b\u00e1n d\u1eabn.<\/p>\n<p>Khi chi ph\u00ed s\u1ea3n xu\u1ea5t Silicon Carbide gi\u1ea3m (do ng\u00e0nh c\u00f4ng nghi\u1ec7p xe \u0111i\u1ec7n th\u00fac \u0111\u1ea9y), s\u1ef1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1ec1 gi\u00e1 gi\u1eefa MCCB \u0111i\u1ec7n t\u1eed cao c\u1ea5p v\u00e0 SSCB s\u1ebd thu h\u1eb9p, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n cho <a href=\"https:\/\/test.viox.com\/vi\/commercial-vs-residential-ev-charging-protection-the-installers-guide-to-nec-iec-compliance\/\">b\u1ea3o v\u1ec7 s\u1ea1c xe \u0111i\u1ec7n th\u01b0\u01a1ng m\u1ea1i so v\u1edbi d\u00e2n d\u1ee5ng<\/a>.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p><strong>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa SSCB v\u00e0 c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch truy\u1ec1n th\u1ed1ng l\u00e0 g\u00ec?<\/strong><br \/>\nS\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 c\u01a1 ch\u1ebf chuy\u1ec3n m\u1ea1ch. B\u1ed9 ng\u1eaft m\u1ea1ch truy\u1ec1n th\u1ed1ng s\u1eed d\u1ee5ng c\u00e1c ti\u1ebfp \u0111i\u1ec3m c\u01a1 h\u1ecdc di chuy\u1ec3n \u0111\u1ec3 t\u00e1ch r\u1eddi v\u1eadt l\u00fd \u0111\u1ec3 ng\u1eaft m\u1ea1ch, trong khi SSCB s\u1eed d\u1ee5ng ch\u1ea5t b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t (transistor) \u0111\u1ec3 d\u1eebng d\u00f2ng \u0111i\u1ec7n b\u1eb1ng \u0111i\u1ec7n t\u1eed m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng n\u00e0o.<\/p>\n<p><strong>T\u1ea1i sao b\u1ed9 ng\u1eaft m\u1ea1ch tr\u1ea1ng th\u00e1i r\u1eafn (SSCB) nhanh h\u01a1n b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 kh\u00ed?<\/strong><br \/>\nB\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi qu\u00e1n t\u00ednh v\u1eadt l\u00fd c\u1ee7a l\u00f2 xo v\u00e0 ch\u1ed1t, m\u1ea5t 10-20 mili gi\u00e2y \u0111\u1ec3 m\u1edf. SSCB ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n d\u00f2ng electron, ph\u1ea3n h\u1ed3i c\u00e1c t\u00edn hi\u1ec7u c\u1ed5ng trong micro gi\u00e2y (1-10\u03bcs), nhanh h\u01a1n kho\u1ea3ng 1000 l\u1ea7n.<\/p>\n<p><strong>Li\u1ec7u c\u1ea7u dao b\u00e1n d\u1eabn c\u00f3 ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi PV kh\u00f4ng?<\/strong><br \/>\nC\u00f3, ch\u00fang r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c chu\u1ed7i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi DC. Ch\u00fang lo\u1ea1i b\u1ecf <a href=\"https:\/\/test.viox.com\/vi\/dc-circuit-breaker-vs-fuse\/\">nguy c\u01a1 h\u1ed3 quang DC<\/a> v\u1ed1n c\u00f3 trong c\u00e1c c\u00f4ng t\u1eafc c\u01a1 h\u1ecdc v\u00e0 c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n l\u1ed7i h\u1ed3 quang (AFCI) ti\u00ean ti\u1ebfn m\u00e0 b\u1ed9 ng\u1eaft m\u1ea1ch t\u1eeb nhi\u1ec7t truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 s\u00e1nh \u0111\u01b0\u1ee3c.<\/p>\n<p><strong>Nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a SSCB l\u00e0 g\u00ec?<\/strong><br \/>\nNh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh l\u00e0 chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n v\u00e0 t\u1ed5n th\u1ea5t \u0111i\u1ec7n n\u0103ng li\u00ean t\u1ee5c (sinh nhi\u1ec7t) trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng do \u0111i\u1ec7n tr\u1edf b\u00ean trong c\u1ee7a ch\u1ea5t b\u00e1n d\u1eabn. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi t\u1ea3n nhi\u1ec7t v\u00e0 thi\u1ebft k\u1ebf qu\u1ea3n l\u00fd nhi\u1ec7t c\u1ea9n th\u1eadn.<\/p>\n<p><strong>SSCB t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c bao l\u00e2u so v\u1edbi b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc?<\/strong><br \/>\nV\u00ec ch\u00fang kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng n\u00e0o b\u1ecb m\u00e0i m\u00f2n v\u00e0 kh\u00f4ng t\u1ea1o ra h\u1ed3 quang \u0111i\u1ec7n \u0111\u1ec3 l\u00e0m m\u00f2n c\u00e1c ti\u1ebfp \u0111i\u1ec3m, SSCB c\u00f3 tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng g\u1ea7n nh\u01b0 v\u00f4 h\u1ea1n cho c\u00e1c chu k\u1ef3 chuy\u1ec3n m\u1ea1ch, trong khi b\u1ed9 ng\u1eaft m\u1ea1ch c\u01a1 h\u1ecdc th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cho 1.000 \u0111\u1ebfn 10.000 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p><strong>SSCB c\u00f3 y\u00eau c\u1ea7u l\u00e0m m\u00e1t \u0111\u1eb7c bi\u1ec7t kh\u00f4ng?<\/strong><br \/>\nC\u00f3, th\u01b0\u1eddng l\u00e0 v\u1eady. V\u00ec ch\u1ea5t b\u00e1n d\u1eabn t\u1ea1o ra nhi\u1ec7t khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua ch\u00fang (t\u1ed5n th\u1ea5t I<sup>2<\/sup>R), SSCB th\u01b0\u1eddng y\u00eau c\u1ea7u t\u1ea3n nhi\u1ec7t nh\u00f4m th\u1ee5 \u0111\u1ed9ng v\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng d\u00f2ng \u0111i\u1ec7n r\u1ea5t cao, ch\u00fang c\u00f3 th\u1ec3 y\u00eau c\u1ea7u qu\u1ea1t l\u00e0m m\u00e1t ch\u1ee7 \u0111\u1ed9ng ho\u1eb7c t\u1ea5m l\u00e0m m\u00e1t b\u1eb1ng ch\u1ea5t l\u1ecfng.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 579.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 579.828px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>On January 5, 2026, the electrical engineering landscape shifted imperceptibly but significantly. During the unveiling of the Vera Rubin AI superchip platform, Nvidia CEO Jensen Huang mentioned a critical infrastructure detail often overlooked by consumer media: the platform&#8217;s reliance on Solid State Circuit Breakers (SSCBs) for rack-level protection. Almost simultaneously, code analysis of Tesla\u2019s v4.52.0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21270,"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-21269","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\/21269","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=21269"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21269\/revisions"}],"predecessor-version":[{"id":21271,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21269\/revisions\/21271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/21270"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=21269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=21269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=21269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}