{"id":21144,"date":"2026-01-03T00:51:55","date_gmt":"2026-01-02T16:51:55","guid":{"rendered":"https:\/\/viox.com\/?p=21144"},"modified":"2026-01-03T00:53:38","modified_gmt":"2026-01-02T16:53:38","slug":"dc-fast-charger-protection-surge-fuse-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/dc-fast-charger-protection-surge-fuse-guide\/","title":{"rendered":"V\u01b0\u1ee3t xa nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n: B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng &amp; qu\u00e1 \u00e1p thi\u1ebft y\u1ebfu cho b\u1ed9 s\u1ea1c nhanh DC"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>T\u1ea1i sao vi\u1ec7c b\u1ea3o v\u1ec7 b\u1ed9 s\u1ea1c nhanh DC v\u01b0\u1ee3t xa c\u00e1c c\u1ea7u dao c\u01a1 b\u1ea3n<\/h2>\n<p>Khi m\u1ed9t chi\u1ebfc xe \u0111i\u1ec7n $50.000 k\u1ebft n\u1ed1i v\u1edbi tr\u1ea1m s\u1ea1c c\u1ee7a b\u1ea1n, b\u1ea1n kh\u00f4ng ch\u1ec9 ch\u1ecbu tr\u00e1ch nhi\u1ec7m cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 \u0111\u00e1ng k\u1ec3 tr\u01b0\u1edbc c\u00e1c m\u1ed1i \u0111e d\u1ecda v\u1ec1 \u0111i\u1ec7n c\u00f3 th\u1ec3 x\u1ea3y ra trongMicro gi\u00e2y. Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c xe \u0111i\u1ec7n, b\u1ea3o v\u1ec7 kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t s\u01a1 su\u1ea5t k\u1ef9 thu\u1eadt; \u0111\u00f3 l\u00e0 m\u1ed9t tr\u00e1ch nhi\u1ec7m ph\u00e1p l\u00fd c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c thi\u1ebft b\u1ecb, h\u01b0 h\u1ecfng xe v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1n k\u00e9m.<\/p>\n<p>B\u1ed9 s\u1ea1c nhanh DC ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c v\u1ec1 \u0111i\u1ec7n \u0111\u1ed9c \u0111\u00e1o m\u00e0 c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ti\u00eau chu\u1ea9n kh\u00f4ng th\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c m\u1ea1ch d\u00e2n d\u1ee5ng, c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y x\u1eed l\u00fd chuy\u1ec3n \u0111\u1ed5i DC c\u00f4ng su\u1ea5t cao (50kW \u0111\u1ebfn 350kW+), khi\u1ebfn ch\u00fang d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng b\u1edfi hai ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c quan tr\u1ecdng: c\u00e1c s\u1ef1 ki\u1ec7n qu\u00e1 d\u00f2ng th\u1ea3m kh\u1ed1c ph\u00e1 h\u1ee7y ch\u1ea5t b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t v\u00e0 qu\u00e1 \u0111i\u1ec7n \u00e1p tho\u00e1ng qua do s\u00e9t \u0111\u00e1nh ho\u1eb7c nhi\u1ec5u lo\u1ea1n l\u01b0\u1edbi \u0111i\u1ec7n. B\u00e0i vi\u1ebft n\u00e0y xem x\u00e9t c\u00e1c y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 chuy\u00ean bi\u1ec7t theo quy \u0111\u1ecbnh c\u1ee7a ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u00e0 gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao <a href=\"https:\/\/test.viox.com\/vi\/spd\/\">SPD<\/a> v\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea7u ch\u00ec l\u00e0 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng \u0111\u1ed1i v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ea1c xe \u0111i\u1ec7n th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/VIOX-DC-fast-charging-station-with-integrated-protection-systems-installed-in-commercial-parking-facility.webp\" alt=\"VIOX DC fast charging station with integrated protection systems installed in commercial parking facility\" \/><figcaption style=\"font-style: italic; color: #666; margin-top: 8px; text-align: center;\">Tr\u1ea1m s\u1ea1c nhanh VIOX DC v\u1edbi h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 t\u00edch h\u1ee3p \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong b\u00e3i \u0111\u1eadu xe th\u01b0\u01a1ng m\u1ea1i<\/figcaption><\/figure>\n<h2>Hi\u1ec3u m\u1ed1i \u0111e d\u1ecda k\u00e9p: Qu\u00e1 d\u00f2ng so v\u1edbi Qu\u00e1 \u00e1p<\/h2>\n<h3>B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng: B\u1ea3o v\u1ec7 ch\u1ea5t b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t<\/h3>\n<p>Trong b\u1ed9 s\u1ea1c nhanh DC, b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng ph\u1ee5c v\u1ee5 m\u1ed9t m\u1ee5c \u0111\u00edch ph\u1ee9c t\u1ea1p h\u01a1n l\u00e0 ng\u0103n ng\u1eeba ch\u00e1y d\u00e2y. Tr\u00e1i tim c\u1ee7a m\u1ed7i tr\u1ea1m s\u1ea1c DC l\u00e0 m\u1ed9t m\u00f4-\u0111un chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng ch\u1ee9a IGBT (Transistor l\u01b0\u1ee1ng c\u1ef1c c\u1ed5ng c\u00e1ch \u0111i\u1ec7n) ho\u1eb7c SiC MOSFET\u2014c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng l\u01b0\u1edbi AC th\u00e0nh \u0111\u1ea7u ra DC \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh. C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y c\u1ef1c k\u1ef3 d\u1ec5 b\u1ecb d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1, v\u1edbi s\u1ef1 c\u1ed1 nhi\u1ec7t x\u1ea3y ra trong mili gi\u00e2y.<\/p>\n<p><a href=\"https:\/\/test.viox.com\/vi\/mccb\/\">C\u1ea7u dao ti\u00eau chu\u1ea9n<\/a> ph\u1ea3n h\u1ed3i qu\u00e1 ch\u1eadm \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ea5t b\u00e1n d\u1eabn. Khi x\u1ea3y ra \u0111o\u1ea3n m\u1ea1ch b\u00ean trong ho\u1eb7c l\u1ed7i \u201cxuy\u00ean su\u1ed1t\u201d, d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 \u0111\u1ea1t g\u1ea5p 10-50 l\u1ea7n d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c trong v\u00f2ng micro gi\u00e2y. V\u00e0o th\u1eddi \u0111i\u1ec3m m\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch th\u00f4ng th\u01b0\u1eddng ng\u1eaft (th\u01b0\u1eddng l\u00e0 20-100ms), IGBT \u0111\u00e3 b\u1ecb ph\u00e1 h\u1ee7y. \u0110\u00e2y l\u00e0 n\u01a1i c\u1ea7u ch\u00ec b\u00e1n d\u1eabn c\u1ef1c nhanh tr\u1edf n\u00ean c\u1ea7n thi\u1ebft.<\/p>\n<p><strong>C\u00e1c khu v\u1ef1c b\u1ea3o v\u1ec7 ch\u00ednh trong b\u1ed9 s\u1ea1c nhanh DC:<\/strong><\/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: #f2f2f2;\">\n<th>Khu v\u1ef1c b\u1ea3o v\u1ec7<\/th>\n<th>Lo\u1ea1i thi\u1ebft b\u1ecb<\/th>\n<th>Ph\u1ea3n \u1ee8ng Th\u1eddi Gian<\/th>\n<th>Ch\u1ee9c n\u0103ng ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ea7u v\u00e0o AC (Ph\u00eda l\u01b0\u1edbi)<\/td>\n<td><a href=\"https:\/\/test.viox.com\/vi\/hrc-vs-hbc-fuses-technical-difference-guide\/\">C\u1ea7u ch\u00ec HBC<\/a> ho\u1eb7c MCCB<\/td>\n<td>10-50ms<\/td>\n<td>Ng\u0103n ch\u1eb7n nhi\u1ec5u lo\u1ea1n l\u01b0\u1edbi \u0111i\u1ec7n, b\u1ea3o v\u1ec7 t\u00f2a nh\u00e0<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 ch\u1ec9nh l\u01b0u AC-DC<\/td>\n<td>C\u1ea7u ch\u00ec b\u00e1n d\u1eabn aR<\/td>\n<td>&lt;5ms<\/td>\n<td>B\u1ea3o v\u1ec7 c\u1ea7u IGBT\/diode<\/td>\n<\/tr>\n<tr>\n<td>Bus\/Li\u00ean k\u1ebft DC<\/td>\n<td>C\u1ea7u ch\u00ec DC c\u1ef1c nhanh<\/td>\n<td>&lt;3ms<\/td>\n<td>B\u1ea3o v\u1ec7 t\u1ee5 \u0111i\u1ec7n v\u00e0 bi\u1ebfn t\u1ea7n<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra DC (Ph\u00eda xe)<\/td>\n<td>C\u1ea7u ch\u00ec \u0111\u1ecbnh m\u1ee9c DC + Contactor<\/td>\n<td>&lt;10ms<\/td>\n<td>B\u1ea3o v\u1ec7 c\u00e1p v\u00e0 BMS xe<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>B\u1ea3o v\u1ec7 qu\u00e1 \u00e1p: Th\u00e1ch th\u1ee9c l\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi<\/h3>\n<p>B\u1ed9 s\u1ea1c nhanh DC th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf c\u00e1c v\u1ecb tr\u00ed ngo\u00e0i tr\u1eddi l\u1ed9 thi\u00ean\u2014tr\u1ea1m d\u1eebng ch\u00e2n tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c, c\u1ea5u tr\u00fac \u0111\u1ed7 xe v\u00e0 l\u00f4 th\u01b0\u01a1ng m\u1ea1i\u2014n\u01a1i ch\u00fang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi s\u1ef1 ti\u1ebfp x\u00fac li\u00ean t\u1ee5c v\u1edbi qu\u00e1 \u0111i\u1ec7n \u00e1p tho\u00e1ng qua. Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u00f4i tr\u01b0\u1eddng trong nh\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c ngo\u00e0i tr\u1eddi tr\u1ea3i qua nhi\u1ec1u ngu\u1ed3n t\u0103ng \u00e1p:<\/p>\n<ul>\n<li><strong>S\u00e9t g\u00e2y ra d\u00e2ng<\/strong>: Ngay c\u1ea3 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng gi\u00e1n ti\u1ebfp c\u00e1ch xa t\u1edbi 1km c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c gai \u0111i\u1ec7n \u00e1p v\u01b0\u1ee3t qu\u00e1 6.000V tr\u00ean \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n v\u00e0 c\u00e1p th\u00f4ng tin.<\/li>\n<li><strong>Qu\u00e1 \u0111\u1ed9 chuy\u1ec3n m\u1ea1ch<\/strong>: C\u00e1c ho\u1ea1t \u0111\u1ed9ng chuy\u1ec3n m\u1ea1ch l\u01b0\u1edbi \u0111i\u1ec7n, kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 l\u1edbn v\u00e0 chuy\u1ec3n m\u1ea1ch t\u1ee5 \u0111i\u1ec7n t\u1ea1o ra c\u00e1c gai \u0111i\u1ec7n \u00e1p t\u1eeb 800V \u0111\u1ebfn 2.000V.<\/li>\n<li><strong>Ph\u00f3ng t\u0129nh \u0111i\u1ec7n<\/strong>: Trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu kh\u00f4 hanh, s\u1ef1 t\u00edch t\u1ee5 t\u0129nh \u0111i\u1ec7n tr\u00ean thi\u1ebft b\u1ecb c\u00e1ch \u0111i\u1ec7n c\u00f3 th\u1ec3 ph\u00f3ng v\u00e0o c\u00e1c m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n, l\u00e0m h\u1ecfng c\u00e1c m\u00f4-\u0111un th\u00f4ng tin li\u00ean l\u1ea1c v\u00e0 h\u1ec7 th\u1ed1ng hi\u1ec3n th\u1ecb.<\/li>\n<\/ul>\n<p>M\u1eb7c d\u00f9 H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin (BMS) c\u1ee7a xe \u0111i\u1ec7n k\u1ebft h\u1ee3p m\u1ed9t s\u1ed1 b\u1ea3o v\u1ec7 qu\u00e1 \u00e1p, nh\u01b0ng ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ed9 pin\u2014kh\u00f4ng ph\u1ea3i \u0111\u1ec3 h\u1ea5p th\u1ee5 to\u00e0n b\u1ed9 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t \u0111\u1ee3t s\u00e9t \u0111\u00e1nh. Tr\u1ea1m s\u1ea1c ph\u1ea3i cung c\u1ea5p b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t s\u01a1 c\u1ea5p tr\u01b0\u1edbc khi \u0111i\u1ec7n \u00e1p \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ea7u n\u1ed1i xe.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Technical-schematic-showing-VIOX-multi-layer-protection-system-for-DC-fast-charging-stations-with-SPD-and-fuse-locations.webp\" alt=\"Technical schematic showing VIOX multi-layer protection system for DC fast charging stations with SPD and fuse locations\" \/><figcaption style=\"font-style: italic; color: #666; margin-top: 8px; text-align: center;\">S\u01a1 \u0111\u1ed3 k\u1ef9 thu\u1eadt hi\u1ec3n th\u1ecb h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 \u0111a l\u1edbp VIOX cho c\u00e1c tr\u1ea1m s\u1ea1c nhanh DC v\u1edbi v\u1ecb tr\u00ed SPD v\u00e0 c\u1ea7u ch\u00ec<\/figcaption><\/figure>\n<h2>Ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf: Y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng<\/h2>\n<h3>IEC 61851 v\u00e0 UL 2202: Khu\u00f4n kh\u1ed5 ph\u00e1p l\u00fd<\/h3>\n<p>Ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea1c xe \u0111i\u1ec7n to\u00e0n c\u1ea7u ho\u1ea1t \u0111\u1ed9ng theo c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n nghi\u00eam ng\u1eb7t quy \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7. IEC 61851 (H\u1ec7 th\u1ed1ng s\u1ea1c d\u1eabn \u0111i\u1ec7n cho xe \u0111i\u1ec7n) thi\u1ebft l\u1eadp c\u00e1c y\u00eau c\u1ea7u c\u01a1 b\u1ea3n cho t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb s\u1ea1c xe \u0111i\u1ec7n, bao g\u1ed3m c\u00e1c \u0111i\u1ec1u kho\u1ea3n c\u1ee5 th\u1ec3 v\u1ec1 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng, ph\u00e1t hi\u1ec7n l\u1ed7i n\u1ed1i \u0111\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m xung \u0111i\u1ec7n.<\/p>\n<p>\u0110\u1ed1i v\u1edbi th\u1ecb tr\u01b0\u1eddng B\u1eafc M\u1ef9, UL 2202 (Thi\u1ebft b\u1ecb h\u1ec7 th\u1ed1ng s\u1ea1c xe \u0111i\u1ec7n) cung c\u1ea5p c\u00e1c y\u00eau c\u1ea7u b\u1ed5 sung ph\u00f9 h\u1ee3p v\u1edbi \u0110i\u1ec1u 625 c\u1ee7a B\u1ed9 lu\u1eadt \u0111i\u1ec7n qu\u1ed1c gia (NEC). C\u00e1c ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh:<\/p>\n<ul>\n<li>C\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng chuy\u00ean d\u1ee5ng c\u00f3 k\u00edch th\u01b0\u1edbc theo \u0111\u1ecbnh m\u1ee9c thi\u1ebft b\u1ecb s\u1ea1c<\/li>\n<li>B\u1ea3o v\u1ec7 l\u1ed7i n\u1ed1i \u0111\u1ea5t \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u UL 2231 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho nh\u00e2n vi\u00ean<\/li>\n<li>B\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t cho c\u00e1c l\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi (theo b\u1ea3n c\u1eadp nh\u1eadt NEC 2020)<\/li>\n<li>Kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n v\u00e0 ng\u1eaft h\u1ed3 quang \u0111i\u1ec7n<\/li>\n<li>B\u1ea3o v\u1ec7 ph\u1ed1i h\u1ee3p \u0111\u1ec3 c\u00f4 l\u1eadp c\u00e1c l\u1ed7i m\u00e0 kh\u00f4ng c\u1ea7n t\u1eaft to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng<\/li>\n<\/ul>\n<p>Tu\u00e2n th\u1ee7 kh\u00f4ng ph\u1ea3i l\u00e0 t\u00f9y ch\u1ecdn\u2014c\u00e1c ch\u1ee9ng nh\u1eadn n\u00e0y l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 ph\u00ea duy\u1ec7t k\u1ebft n\u1ed1i ti\u1ec7n \u00edch, gi\u1ea5y ph\u00e9p l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o hi\u1ec3m. C\u00e1c c\u00e0i \u0111\u1eb7t kh\u00f4ng tu\u00e2n th\u1ee7 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi tr\u00e1ch nhi\u1ec7m ph\u00e1p l\u00fd v\u00e0 c\u00f3 th\u1ec3 b\u1ecb lo\u1ea1i tr\u1eeb kh\u1ecfi c\u00e1c th\u1ecfa thu\u1eadn tham gia m\u1ea1ng s\u1ea1c.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/VIOX-surge-protection-devices-and-semiconductor-fuses-installed-in-DC-fast-charger-electrical-panel.webp\" alt=\"VIOX surge protection devices and semiconductor fuses installed in DC fast charger electrical panel\" \/><figcaption style=\"font-style: italic; color: #666; margin-top: 8px; text-align: center;\">Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n VIOX v\u00e0 c\u1ea7u ch\u00ec b\u00e1n d\u1eabn \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong b\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c nhanh DC<\/figcaption><\/figure>\n<h2>Ch\u1ecdn SPD ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng s\u1ea1c xe \u0111i\u1ec7n<\/h2>\n<h3>Ph\u00e2n lo\u1ea1i v\u00e0 ph\u1ed1i h\u1ee3p lo\u1ea1i<\/h3>\n<p>Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n cho s\u1ea1c xe \u0111i\u1ec7n tu\u00e2n theo ph\u00e2n lo\u1ea1i IEC 61643-11, v\u1edbi l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 m\u1ee9c \u0111\u1ed9 \u0111e d\u1ecda:<\/p>\n<p><strong>SPD lo\u1ea1i 1 (Lo\u1ea1i I)<\/strong>: \u0110\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i l\u1ed1i v\u00e0o d\u1ecbch v\u1ee5, c\u00e1c thi\u1ebft b\u1ecb n\u00e0y x\u1eed l\u00fd c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng tr\u1ef1c ti\u1ebfp c\u1ee7a s\u00e9t v\u00e0 c\u00e1c \u0111\u1ee3t t\u0103ng \u0111i\u1ec7n \u00e1p \u1edf c\u1ea5p \u0111\u1ed9 ti\u1ec7n \u00edch. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho d\u00f2ng \u0111i\u1ec7n x\u1ea3 l\u00ean \u0111\u1ebfn 25kA tr\u00ean m\u1ed7i pha (d\u1ea1ng s\u00f3ng 10\/350\u03bcs) v\u00e0 l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi c\u00e1c tr\u1ea1m s\u1ea1c c\u00f3 \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tr\u00ean cao ho\u1eb7c h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t t\u00edch h\u1ee3p.<\/p>\n<p><strong>SPD lo\u1ea1i 2 (Lo\u1ea1i II)<\/strong>: \u0110\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i c\u00e1c b\u1ea3ng ph\u00e2n ph\u1ed1i ho\u1eb7c tr\u1ef1c ti\u1ebfp t\u1ea1i thi\u1ebft b\u1ecb s\u1ea1c. Ch\u00fang cung c\u1ea5p b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c \u0111\u1ee3t t\u0103ng \u0111i\u1ec7n \u00e1p do c\u1ea3m \u1ee9ng v\u00e0 qu\u00e1 \u0111\u1ed9 chuy\u1ec3n m\u1ea1ch, v\u1edbi c\u00f4ng su\u1ea5t x\u1ea3 20-40kA (d\u1ea1ng s\u00f3ng 8\/20\u03bcs). Ch\u00fang l\u00e0 y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u cho t\u1ea5t c\u1ea3 c\u00e1c c\u00e0i \u0111\u1eb7t s\u1ea1c xe \u0111i\u1ec7n th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<p><strong>SPD k\u1ebft h\u1ee3p lo\u1ea1i 1+2<\/strong>: N\u1ed5i l\u00ean nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho b\u1ed9 s\u1ea1c nhanh DC, c\u00e1c thi\u1ebft b\u1ecb lai n\u00e0y cung c\u1ea5p c\u1ea3 b\u1ea3o v\u1ec7 c\u1ea5p \u0111\u1ed9 s\u00e9t v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n do c\u1ea3m \u1ee9ng trong m\u1ed9t thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn duy nh\u1ea5t, \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1ea3m b\u1ea3o ph\u1ea3n h\u1ed3i ph\u1ed1i h\u1ee3p.<\/p>\n<h3>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt SPD quan tr\u1ecdng cho s\u1ea1c DC<\/h3>\n<p>Khi ch\u1ec9 \u0111\u1ecbnh SPD cho b\u1ed9 s\u1ea1c nhanh DC, h\u00e3y t\u1eadp trung v\u00e0o c\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh sau:<\/p>\n<p><strong>So s\u00e1nh hi\u1ec7u su\u1ea5t SPD cho c\u00e1c tr\u1ea1m s\u1ea1c xe \u0111i\u1ec7n:<\/strong><\/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: #f2f2f2;\">\n<th>\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/th>\n<th>Lo\u1ea1i 1 SPD<\/th>\n<th>SPD lo\u1ea1i 2<\/th>\n<th>Hybrid lo\u1ea1i 1+2<\/th>\n<th>C\u01a1 s\u1edf y\u00eau c\u1ea7u<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u00f2ng \u0111i\u1ec7n x\u1ea3 t\u1ed1i \u0111a (Imax)<\/td>\n<td>25kA (10\/350\u03bcs)<\/td>\n<td>40kA (8\/20\u03bcs)<\/td>\n<td>25kA+40kA<\/td>\n<td>Ti\u00eau chu\u1ea9n IEC 61643-11<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c b\u1ea3o v\u1ec7 \u0111i\u1ec7n \u00e1p (Up)<\/td>\n<td>\u22641,500V<\/td>\n<td>\u22641,200V<\/td>\n<td>\u22641,200V<\/td>\n<td>IEC 61851-23<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea3n \u1ee8ng Th\u1eddi Gian<\/td>\n<td>&lt;100ns<\/td>\n<td>&lt;25ns<\/td>\n<td>&lt;25ns<\/td>\n<td>Quan tr\u1ecdng \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng danh \u0111\u1ecbnh (Uc)<\/td>\n<td>275V AC<\/td>\n<td>275V AC<\/td>\n<td>275V AC<\/td>\n<td>H\u1ec7 th\u1ed1ng 240V<\/td>\n<\/tr>\n<tr>\n<td>Ng\u1eaft d\u00f2ng \u0111i\u1ec7n theo sau<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<td>IEC 62305-4<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ec9 b\u00e1o tr\u1ea1ng th\u00e1i t\u1eeb xa<\/td>\n<td>B\u1eaft bu\u1ed9c<\/td>\n<td>B\u1eaft bu\u1ed9c<\/td>\n<td>B\u1eaft bu\u1ed9c<\/td>\n<td>B\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td>-40\u00b0C \u0111\u1ebfn +85\u00b0C<\/td>\n<td>-40\u00b0C \u0111\u1ebfn +85\u00b0C<\/td>\n<td>-40\u00b0C \u0111\u1ebfn +85\u00b0C<\/td>\n<td>L\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ec3 b\u1ea3o v\u1ec7 ph\u00eda DC (gi\u1eefa b\u1ed9 ch\u1ec9nh l\u01b0u v\u00e0 \u0111\u1ea7u ra xe), c\u1ea7n thi\u1ebft ph\u1ea3i c\u00f3 SPD DC chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho 1.000V DC v\u1edbi c\u00e1c ch\u1ebf \u0111\u1ed9 b\u1ea3o v\u1ec7 hai chi\u1ec1u (+PE, -PE, +-).<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/VIOX-DC-charger-cutaway-diagram-showing-three-tier-surge-protection-zone-architecture-with-SPD-placement.webp\" alt=\"VIOX DC charger cutaway diagram showing three-tier surge protection zone architecture with SPD placement\" \/><figcaption style=\"font-style: italic; color: #666; margin-top: 8px; text-align: center;\">S\u01a1 \u0111\u1ed3 c\u1eaft l\u1edbp b\u1ed9 s\u1ea1c VIOX DC cho th\u1ea5y ki\u1ebfn tr\u00fac v\u00f9ng b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t ba t\u1ea7ng v\u1edbi v\u1ecb tr\u00ed \u0111\u1eb7t SPD<\/figcaption><\/figure>\n<h2>C\u1ea7u ch\u00ec b\u00e1n d\u1eabn si\u00eau nhanh: B\u1ea3o v\u1ec7 kho\u1ea3n \u0111\u1ea7u t\u01b0<\/h2>\n<h3>T\u1ea1i sao c\u1ea7u ch\u00ec ti\u00eau chu\u1ea9n kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t<\/h3>\n<p>C\u00e1c m\u00f4-\u0111un chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng trong b\u1ed9 s\u1ea1c nhanh DC chi\u1ebfm 40-60% t\u1ed5ng chi ph\u00ed h\u1ec7 th\u1ed1ng, v\u1edbi c\u00e1c m\u00f4-\u0111un IGBT ri\u00eang l\u1ebb c\u00f3 gi\u00e1 t\u1eeb 500 \u0111\u1ebfn 3.000 \u0111\u00f4 la m\u1ed7i chi\u1ebfc. C\u00e1c ch\u1ea5t b\u00e1n d\u1eabn n\u00e0y c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec7t c\u1ef1c k\u1ef3 th\u1ea5p\u2014ch\u00fang c\u00f3 th\u1ec3 chuy\u1ec3n t\u1eeb ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng sang h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng trong v\u00f2ng ch\u01b0a \u0111\u1ea7y 5 mili gi\u00e2y trong s\u1ef1 ki\u1ec7n ng\u1eafn m\u1ea1ch.<\/p>\n<p>C\u1ea7u ch\u00ec ti\u00eau chu\u1ea9n \u201cgG\u201d ho\u1eb7c \u201cgL\u201d, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1p, c\u00f3 th\u1eddi gian n\u00f3ng ch\u1ea3y l\u00e0 50-200ms \u1edf d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1. Ph\u1ea3n \u1ee9ng n\u00e0y qu\u00e1 ch\u1eadm \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ea5t b\u00e1n d\u1eabn. V\u00e0o th\u1eddi \u0111i\u1ec3m c\u1ea7u ch\u00ec ti\u00eau chu\u1ea9n b\u1eaft \u0111\u1ea7u n\u00f3ng ch\u1ea3y, nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp gi\u00e1p IGBT \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 175\u00b0C, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t ch\u1ea1y tr\u1ed1n v\u00e0 ph\u00e1 h\u1ee7y thi\u1ebft b\u1ecb.<\/p>\n<h3>C\u1ea7u ch\u00ec lo\u1ea1i aR: \u0110\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1eb7c bi\u1ec7t cho ch\u1ea5t b\u00e1n d\u1eabn<\/h3>\n<p>B\u1ea3o v\u1ec7 ch\u1ea5t b\u00e1n d\u1eabn y\u00eau c\u1ea7u c\u1ea7u ch\u00ec lo\u1ea1i aR (ph\u00e2n lo\u1ea1i IEC 60269-4), trong \u0111\u00f3 \u201ca\u201d bi\u1ec3u th\u1ecb kh\u1ea3 n\u0103ng c\u1eaft m\u1ea1ch m\u1ed9t ph\u1ea7n (ch\u1ec9 ng\u1eafn m\u1ea1ch) v\u00e0 \u201cR\u201d bi\u1ec3u th\u1ecb h\u00e0nh \u0111\u1ed9ng nhanh \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn.<\/p>\n<p>C\u00e1c c\u1ea7u ch\u00ec chuy\u00ean d\u1ee5ng n\u00e0y c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m:<\/p>\n<ul>\n<li><strong>C\u00e1c ph\u1ea7n t\u1eed c\u1ea7u ch\u00ec h\u1ee3p kim b\u1ea1c<\/strong>: Nhi\u1ec1u ph\u1ea7n t\u1eed song song v\u1edbi m\u1eb7t c\u1eaft ngang \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh c\u1ea9n th\u1eadn \u0111\u1ea3m b\u1ea3o \u0111\u1eb7c t\u00ednh n\u00f3ng ch\u1ea3y nh\u1ea5t qu\u00e1n, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i.<\/li>\n<li><strong>Ch\u1ea5t \u0111\u1ed9n c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/strong>: Ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u00f4i tr\u01b0\u1eddng d\u1eadp h\u1ed3 quang, cho ph\u00e9p ng\u1eaft d\u00f2ng \u0111i\u1ec7n nhanh ch\u00f3ng v\u00e0 ng\u0103n ch\u1eb7n t\u00e1i k\u00edch.<\/li>\n<li><strong>C\u1ea5u tr\u00fac th\u00e2n g\u1ed1m<\/strong>: Cung c\u1ea5p \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t cho kh\u1ea3 n\u0103ng c\u1eaft m\u1ea1ch l\u00ean \u0111\u1ebfn 100kA.<\/li>\n<li><strong>\u0110\u1ecbnh m\u1ee9c I\u00b2t c\u1ef1c th\u1ea5p<\/strong>: \u0110\u00e2y l\u00e0 th\u00f4ng s\u1ed1 quan tr\u1ecdng\u2014t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng th\u00f4ng qua trong qu\u00e1 tr\u00ecnh x\u00f3a l\u1ed7i ph\u1ea3i th\u1ea5p h\u01a1n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a ch\u1ea5t b\u00e1n d\u1eabn (th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng A\u00b2s).<\/li>\n<\/ul>\n<h3>L\u1ef1a ch\u1ecdn v\u00e0 ph\u1ed1i h\u1ee3p c\u1ea7u ch\u00ec<\/h3>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea7u ch\u00ec ph\u00f9 h\u1ee3p \u0111\u00f2i h\u1ecfi s\u1ef1 ph\u1ed1i h\u1ee3p c\u1ea9n th\u1eadn v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a IGBT:<\/p>\n<p><strong>Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn c\u1ea7u ch\u00ec b\u00e1n d\u1eabn:<\/strong><\/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: #f2f2f2;\">\n<th>Tham s\u1ed1<\/th>\n<th>Quy t\u1eafc l\u1ef1a ch\u1ecdn<\/th>\n<th>Gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh (B\u1ed9 s\u1ea1c 120kW)<\/th>\n<th>Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c minh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c (In)<\/td>\n<td>1,2-1,5\u00d7 t\u1ea3i li\u00ean t\u1ee5c<\/td>\n<td>250A-400A<\/td>\n<td>T\u00ednh to\u00e1n nhi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c (Un)<\/td>\n<td>\u22651,4\u00d7 \u0111i\u1ec7n \u00e1p bus DC<\/td>\n<td>1.000V DC<\/td>\n<td>\u0110i\u1ec7n \u00e1p thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng<\/td>\n<\/tr>\n<tr>\n<td>I\u00b2t Th\u00f4ng qua<\/td>\n<td><\/td>\n<td>&lt;50.000 A\u00b2s<\/td>\n<td>B\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 (Icn)<\/td>\n<td>\u2265L\u1ed7i ti\u1ec1m \u1ea9n t\u1ed1i \u0111a<\/td>\n<td>50-100kA<\/td>\n<td>Nghi\u00ean c\u1ee9u ng\u1eafn m\u1ea1ch<\/td>\n<\/tr>\n<tr>\n<td>Lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td>aR (b\u00e1n d\u1eabn)<\/td>\n<td>aR theo IEC 60269-4<\/td>\n<td>Ti\u00eau chu\u1ea9n tu\u00e2n<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea3n \u1ee8ng Th\u1eddi Gian<\/td>\n<td>&lt;5ms @ 10\u00d7In<\/td>\n<td>&lt;3ms \u0111i\u1ec3n h\u00ecnh<\/td>\n<td>\u0110\u01b0\u1eddng cong th\u1eddi gian-d\u00f2ng \u0111i\u1ec7n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ed1i v\u1edbi b\u1ed9 s\u1ea1c nhanh DC 150kW \u0111i\u1ec3n h\u00ecnh v\u1edbi \u0111\u1ea7u ra li\u00ean t\u1ee5c 400A, s\u01a1 \u0111\u1ed3 b\u1ea3o v\u1ec7 s\u1ebd bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>\u0110\u1ea7u v\u00e0o AC<\/strong>: 3\u00d7 c\u1ea7u ch\u00ec lo\u1ea1i gG 630A (b\u1ea3o v\u1ec7 l\u01b0\u1edbi)<\/li>\n<li><strong>\u0110\u1ea7u v\u00e0o b\u1ed9 ch\u1ec9nh l\u01b0u<\/strong>: 3\u00d7 c\u1ea7u ch\u00ec lo\u1ea1i aR 500A (b\u1ea3o v\u1ec7 c\u1ea7u IGBT)<\/li>\n<li><strong>Li\u00ean k\u1ebft DC<\/strong>: 2\u00d7 c\u1ea7u ch\u00ec DC lo\u1ea1i aR 400A (b\u1ea3o v\u1ec7 bus)<\/li>\n<li><strong>Giai \u0111o\u1ea1n \u0111\u1ea7u ra<\/strong>: 2\u00d7 c\u1ea7u ch\u00ec DC 500A v\u1edbi m\u1ea1ch s\u1ea1c tr\u01b0\u1edbc \u0111i\u1ec7n t\u1eed<\/li>\n<\/ul>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Time-current-coordination-graph-comparing-VIOX-aR-semiconductor-fuse-protection-with-standard-fuses-for-IGBT-safety.webp\" alt=\"Time-current coordination graph comparing VIOX aR semiconductor fuse protection with standard fuses for IGBT safety\" \/><figcaption style=\"font-style: italic; color: #666; margin-top: 8px; text-align: center;\">\u0110\u1ed3 th\u1ecb ph\u1ed1i h\u1ee3p th\u1eddi gian-d\u00f2ng \u0111i\u1ec7n so s\u00e1nh kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a c\u1ea7u ch\u00ec b\u00e1n d\u1eabn VIOX aR v\u1edbi c\u1ea7u ch\u00ec ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho IGBT<\/figcaption><\/figure>\n<h2>\u01afu \u0111i\u1ec3m c\u1ee7a VIOX: Gi\u1ea3i ph\u00e1p b\u1ea3o v\u1ec7 t\u00edch h\u1ee3p<\/h2>\n<p>L\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 \u0111i\u1ec7n h\u00e0ng \u0111\u1ea7u B2B, VIOX Electric cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c nhanh DC. Danh m\u1ee5c s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i \u0111\u00e1p \u1ee9ng m\u1ecdi y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 trong c\u00e1c tr\u1ea1m s\u1ea1c EV hi\u1ec7n \u0111\u1ea1i:<\/p>\n<p><strong>Danh m\u1ee5c b\u1ea3o v\u1ec7 b\u1ed9 s\u1ea1c nhanh VIOX DC:<\/strong><\/p>\n<ul>\n<li><strong>D\u00f2ng VSP-T1+T2<\/strong>: Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n (SPD) lo\u1ea1i 1+2 k\u1ebft h\u1ee3p, \u0111\u1ecbnh m\u1ee9c 20-40kA, ch\u1ee9ng nh\u1eadn UL 1449 phi\u00ean b\u1ea3n th\u1ee9 5 v\u00e0 IEC 61643-11<\/li>\n<li><strong>D\u00f2ng VF-AR<\/strong>: C\u1ea7u ch\u00ec b\u00e1n d\u1eabn aR si\u00eau nhanh, kh\u1ea3 n\u0103ng c\u1eaft 100kA, tu\u00e2n th\u1ee7 IEC 60269-4<\/li>\n<li><strong>D\u00f2ng VF-DC<\/strong>: C\u1ea7u ch\u00ec \u0111\u1ecbnh m\u1ee9c DC cho h\u1ec7 th\u1ed1ng 1.000V\/1.500V v\u1edbi kh\u1ea3 n\u0103ng ng\u1eaft d\u00f2ng \u0111i\u1ec7n hai chi\u1ec1u<\/li>\n<li><strong>D\u00f2ng VDC-SPD<\/strong>: Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n DC \u0111\u00e1p \u1ee9ng IEC 61643-31 \u0111\u1ec3 b\u1ea3o v\u1ec7 sau ch\u1ec9nh l\u01b0u<\/li>\n<\/ul>\n<p>M\u1ed7i thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 VIOX \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh kh\u1eafc nghi\u1ec7t c\u1ee7a c\u00e1c tr\u1ea1m s\u1ea1c th\u01b0\u01a1ng m\u1ea1i: d\u1ea3i nhi\u1ec7t \u0111\u1ed9 -40\u00b0C \u0111\u1ebfn +85\u00b0C, b\u1ea3o v\u1ec7 th\u1eddi ti\u1ebft IP65 v\u00e0 tu\u1ed5i th\u1ecd 20 n\u0103m trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p>\u0110\u1ed9i ng\u0169 k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c nghi\u00ean c\u1ee9u ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7 ho\u00e0n ch\u1ec9nh, \u0111\u1ea3m b\u1ea3o r\u1eb1ng SPD v\u00e0 c\u1ea7u ch\u00ec ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng t\u00edch h\u1ee3p ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ed9c l\u1eadp. S\u1ef1 ph\u1ed1i h\u1ee3p n\u00e0y ng\u0103n ch\u1eb7n c\u00e1c s\u1ef1 c\u1ed1 ng\u1eaft m\u1ea1ch kh\u00f4ng mong mu\u1ed1n \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 b\u1ecb ng\u1eaft tr\u01b0\u1edbc khi thi\u1ebft b\u1ecb b\u1ecb h\u01b0 h\u1ecfng.<\/p>\n<h2>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t khi tri\u1ec3n khai<\/h2>\n<h3>Nh\u1eefng c\u00e2n nh\u1eafc khi c\u00e0i \u0111\u1eb7t<\/h3>\n<p>Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch c\u0169ng quan tr\u1ecdng nh\u01b0 vi\u1ec7c l\u1ef1a ch\u1ecdn th\u00e0nh ph\u1ea7n:<\/p>\n<p><strong>L\u1eafp \u0111\u1eb7t SPD:<\/strong><\/p>\n<ul>\n<li>G\u1eafn c\u00e0ng g\u1ea7n thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 c\u00e0ng t\u1ed1t (gi\u1ea3m thi\u1ec3u chi\u1ec1u d\u00e0i d\u00e2y d\u1eabn)<\/li>\n<li>S\u1eed d\u1ee5ng k\u00edch th\u01b0\u1edbc d\u00e2y theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t (th\u01b0\u1eddng l\u00e0 6-10 AWG)<\/li>\n<li>\u0110\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i ti\u1ebfp \u0111\u1ea5t ch\u1eafc ch\u1eafn v\u1edbi tr\u1edf kh\u00e1ng &lt;10\u03a9<\/li>\n<li>L\u1eafp \u0111\u1eb7t c\u00e1c ti\u1ebfp \u0111i\u1ec3m gi\u00e1m s\u00e1t t\u1eeb xa \u0111\u1ec3 b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n<\/li>\n<\/ul>\n<p><strong>L\u1eafp \u0111\u1eb7t c\u1ea7u ch\u00ec:<\/strong><\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec do nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ec9 \u0111\u1ecbnh, \u0111\u1ecbnh m\u1ee9c cho d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 \u0111\u1ea7y \u0111\u1ee7<\/li>\n<li>X\u00e1c minh lu\u1ed3ng kh\u00f4ng kh\u00ed l\u00e0m m\u00e1t \u0111\u1ea7y \u0111\u1ee7 xung quanh c\u1ea7u ch\u00ec<\/li>\n<li>Tri\u1ec3n khai gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i c\u1ea7u ch\u00ec (ch\u1ec9 b\u00e1o c\u1ea7u ch\u00ec b\u1ecb \u0111\u1ee9t)<\/li>\n<li>Duy tr\u00ec kho c\u1ea7u ch\u00ec d\u1ef1 ph\u00f2ng \u0111\u1ec3 thay th\u1ebf nhanh ch\u00f3ng<\/li>\n<\/ul>\n<h3>B\u1ea3o tr\u00ec v\u00e0 Ki\u1ec3m tra<\/h3>\n<p>C\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 y\u00eau c\u1ea7u x\u00e1c minh \u0111\u1ecbnh k\u1ef3:<\/p>\n<p><strong>B\u1ea3o tr\u00ec SPD:<\/strong><\/p>\n<ul>\n<li>Ki\u1ec3m tra tr\u1ef1c quan h\u00e0ng qu\u00fd \u0111\u1ec3 t\u00ecm h\u01b0 h\u1ecfng ho\u1eb7c \u0111\u1ed5i m\u00e0u<\/li>\n<li>X\u00e1c minh ch\u1ee9c n\u0103ng ch\u1ec9 b\u00e1o tr\u1ea1ng th\u00e1i t\u1eeb xa h\u00e0ng th\u00e1ng<\/li>\n<li>Ki\u1ec3m tra d\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 h\u00e0ng n\u0103m (ph\u1ea3i &lt;1mA)<\/li>\n<li>Thay th\u1ebf sau s\u1ef1 ki\u1ec7n \u0111\u1ed9t bi\u1ebfn l\u1edbn (ngay c\u1ea3 khi kh\u00f4ng c\u00f3 h\u01b0 h\u1ecfng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c)<\/li>\n<\/ul>\n<p><strong>B\u1ea3o tr\u00ec c\u1ea7u ch\u00ec:<\/strong><\/p>\n<ul>\n<li>Ki\u1ec3m tra h\u00ecnh \u1ea3nh nhi\u1ec7t b\u00e1n ni\u00ean<\/li>\n<li>X\u00e1c minh \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac c\u1ee7a gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec (&lt;50\u00b5\u03a9)<\/li>\n<li>Thay th\u1ebf c\u1ea7u ch\u00ec c\u00f3 b\u1ea5t k\u1ef3 s\u1ef1 \u0111\u1ed5i m\u00e0u ho\u1eb7c d\u1ea5u hi\u1ec7u qu\u00e1 nhi\u1ec7t n\u00e0o<\/li>\n<li>Ghi l\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c thay th\u1ebf \u0111\u1ec3 ph\u00e2n t\u00edch xu h\u01b0\u1edbng<\/li>\n<\/ul>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p: B\u1ea3o v\u1ec7 b\u1ed9 s\u1ea1c nhanh DC<\/h2>\n<h3>H: T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 ng\u1eaft m\u1ea1ch ti\u00eau chu\u1ea9n thay v\u00ec c\u1ea7u ch\u00ec b\u00e1n d\u1eabn cho tr\u1ea1m s\u1ea1c DC c\u1ee7a m\u00ecnh kh\u00f4ng?<\/h3>\n<p>\u0110: Kh\u00f4ng. B\u1ed9 ng\u1eaft m\u1ea1ch ti\u00eau chu\u1ea9n c\u00f3 th\u1eddi gian ph\u1ea3n h\u1ed3i t\u1eeb 20-100ms, qu\u00e1 ch\u1eadm \u0111\u1ec3 b\u1ea3o v\u1ec7 IGBT v\u00e0 c\u00e1c ch\u1ea5t b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t kh\u00e1c b\u1ecb h\u1ecfng d\u01b0\u1edbi 5ms trong \u0111i\u1ec1u ki\u1ec7n s\u1ef1 c\u1ed1. C\u1ea7u ch\u00ec lo\u1ea1i aR d\u00e0nh ri\u00eang cho ch\u1ea5t b\u00e1n d\u1eabn v\u1edbi th\u1eddi gian ng\u1eaft &lt;5ms l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c m\u00f4-\u0111un chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng. B\u1ed9 ng\u1eaft m\u1ea1ch ti\u00eau chu\u1ea9n n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u1ea7u v\u00e0o v\u00e0 chuy\u1ec3n m\u1ea1ch t\u1ea3i, kh\u00f4ng ph\u1ea3i b\u1ea3o v\u1ec7 ch\u1ea5t b\u00e1n d\u1eabn.<\/p>\n<h3>H: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SPD lo\u1ea1i 1 v\u00e0 lo\u1ea1i 2 l\u00e0 g\u00ec v\u00e0 t\u00f4i c\u1ea7n lo\u1ea1i n\u00e0o?<\/h3>\n<p>\u0110: SPD lo\u1ea1i 1 x\u1eed l\u00fd c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng tr\u1ef1c ti\u1ebfp c\u1ee7a s\u00e9t (25kA, d\u1ea1ng s\u00f3ng 10\/350\u03bcs) v\u00e0 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i l\u1ed1i v\u00e0o d\u1ecbch v\u1ee5. SPD lo\u1ea1i 2 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c xung c\u1ea3m \u1ee9ng (40kA, d\u1ea1ng s\u00f3ng 8\/20\u03bcs) v\u00e0 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf c\u1ea5p \u0111\u1ed9 thi\u1ebft b\u1ecb. B\u1ed9 s\u1ea1c nhanh DC th\u01b0\u01a1ng m\u1ea1i th\u01b0\u1eddng y\u00eau c\u1ea7u c\u1ea3 hai ho\u1eb7c thi\u1ebft b\u1ecb lai lo\u1ea1i 1+2 k\u1ebft h\u1ee3p. C\u00e1c c\u00e0i \u0111\u1eb7t ngo\u00e0i tr\u1eddi v\u1edbi ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n tr\u00ean cao b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 b\u1ea3o v\u1ec7 lo\u1ea1i 1 theo \u0110i\u1ec1u 625 c\u1ee7a NEC v\u00e0 IEC 61851-23.<\/p>\n<h3>H: L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ecbnh m\u1ee9c c\u1ea7u ch\u00ec ch\u00ednh x\u00e1c cho c\u00e1c m\u00f4-\u0111un n\u0103ng l\u01b0\u1ee3ng c\u1ee7a tr\u1ea1m s\u1ea1c c\u1ee7a t\u00f4i?<\/h3>\n<p>\u0110: Ch\u1ecdn \u0111\u1ecbnh m\u1ee9c c\u1ea7u ch\u00ec \u1edf m\u1ee9c 1,2-1,5 l\u1ea7n d\u00f2ng \u0111i\u1ec7n t\u1ea3i li\u00ean t\u1ee5c, x\u00e1c minh r\u1eb1ng n\u0103ng l\u01b0\u1ee3ng th\u00f4ng qua I\u00b2t c\u1ee7a c\u1ea7u ch\u00ec nh\u1ecf h\u01a1n I\u00b2t \u0111\u1ecbnh m\u1ee9c c\u1ee7a IGBT (\u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t) v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng c\u1eaft v\u01b0\u1ee3t qu\u00e1 d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 ti\u1ec1m n\u0103ng t\u1ed1i \u0111a t\u1eeb nghi\u00ean c\u1ee9u ng\u1eafn m\u1ea1ch. Lu\u00f4n ph\u1ed1i h\u1ee3p v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t m\u00f4-\u0111un\u2014s\u1eed d\u1ee5ng c\u1ea7u ch\u00ec qu\u00e1 kh\u1ed5 s\u1ebd lo\u1ea1i b\u1ecf kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7, trong khi c\u1ea7u ch\u00ec qu\u00e1 nh\u1ecf s\u1ebd g\u00e2y ra c\u00e1c chuy\u1ebfn \u0111i phi\u1ec1n to\u00e1i.<\/p>\n<h3>H: C\u00e1c tr\u1ea1m s\u1ea1c EV c\u00f3 c\u1ea7n b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n ph\u00eda AC v\u00e0 ph\u00eda DC kh\u00f4ng?<\/h3>\n<p>\u0110: C\u00f3. SPD ph\u00eda AC (tr\u01b0\u1edbc b\u1ed9 ch\u1ec9nh l\u01b0u) b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c xung t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 s\u00e9t. SPD ph\u00eda DC (sau b\u1ed9 ch\u1ec9nh l\u01b0u) c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m v\u00ec c\u00e1c xung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u00ean trong do c\u00e1c thao t\u00e1c chuy\u1ec3n m\u1ea1ch ho\u1eb7c c\u00f3 th\u1ec3 lan truy\u1ec1n t\u1eeb ph\u00eda xe th\u00f4ng qua c\u00e1p s\u1ea1c. IEC 61851-23 \u0111\u1eb7c bi\u1ec7t y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n ph\u00eda DC \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng (th\u01b0\u1eddng l\u00e0 1.000V DC).<\/p>\n<h3>H: C\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 n\u00ean \u0111\u01b0\u1ee3c thay th\u1ebf bao l\u00e2u m\u1ed9t l\u1ea7n v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi l\u00e0 bao nhi\u00eau?<\/h3>\n<p>\u0110: SPD n\u00ean \u0111\u01b0\u1ee3c thay th\u1ebf sau b\u1ea5t k\u1ef3 s\u1ef1 ki\u1ec7n \u0111\u1ed9t bi\u1ebfn l\u1edbn n\u00e0o (&gt;80% c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c) ho\u1eb7c khi gi\u00e1m s\u00e1t t\u1eeb xa cho th\u1ea5y s\u1ef1 suy gi\u1ea3m. Tu\u1ed5i th\u1ecd \u0111i\u1ec3n h\u00ecnh l\u00e0 10-20 n\u0103m trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng. C\u1ea7u ch\u00ec b\u00e1n d\u1eabn n\u00ean \u0111\u01b0\u1ee3c thay th\u1ebf ngay l\u1eadp t\u1ee9c sau khi ng\u1eaft s\u1ef1 c\u1ed1\u2014ch\u00fang l\u00e0 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n. Tuy nhi\u00ean, chi ph\u00ed thay th\u1ebf c\u1ea7u ch\u00ec (50-200 \u0111\u00f4 la m\u1ed7i c\u1ea7u ch\u00ec) l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3 so v\u1edbi chi ph\u00ed thay th\u1ebf m\u00f4-\u0111un IGBT (500-3.000 \u0111\u00f4 la) ho\u1eb7c th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tr\u1ea1m s\u1ea1c (200-500 \u0111\u00f4 la m\u1ed7i gi\u1edd do m\u1ea5t doanh thu).<\/p>\n<h3>H: C\u00f3 y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t n\u00e0o \u0111\u1ed1i v\u1edbi b\u1ed9 s\u1ea1c nhanh DC tr\u00ean 150kW kh\u00f4ng?<\/h3>\n<p>\u0110: B\u1ed9 s\u1ea1c c\u00f4ng su\u1ea5t cao (150-350kW) y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 n\u00e2ng cao do c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 cao h\u01a1n. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m: c\u1ea7u ch\u00ec c\u00f3 kh\u1ea3 n\u0103ng c\u1eaft cao h\u01a1n (t\u1ed1i thi\u1ec3u 100kA), b\u1ed1 tr\u00ed c\u1ea7u ch\u00ec song song v\u1edbi kh\u1ea3 n\u0103ng chia s\u1ebb d\u00f2ng \u0111i\u1ec7n th\u00edch h\u1ee3p, h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t n\u00e2ng cao v\u00e0 th\u01b0\u1eddng l\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn b\u1ea3o v\u1ec7 d\u1ef1 ph\u00f2ng. Ngo\u00e0i ra, b\u1ed9 s\u1ea1c c\u00f4ng su\u1ea5t c\u1ef1c cao th\u01b0\u1eddng s\u1eed d\u1ee5ng ki\u1ebfn tr\u00fac bus DC 1.500V, y\u00eau c\u1ea7u c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c ph\u00f9 h\u1ee3p. Lu\u00f4n tham kh\u1ea3o IEC 61851-23 v\u00e0 UL 2202 \u0111\u1ec3 bi\u1ebft c\u00e1c y\u00eau c\u1ea7u v\u1ec1 m\u1ee9c c\u00f4ng su\u1ea5t c\u1ee5 th\u1ec3.<\/p>\n<h2>K\u1ebft lu\u1eadn: B\u1ea3o v\u1ec7 nh\u01b0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0, kh\u00f4ng ph\u1ea3i chi ph\u00ed<\/h2>\n<p>Trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c nhanh DC, c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ee5 tr\u1ee3\u2014ch\u00fang l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i v\u1ec1 m\u1eb7t t\u00e0i ch\u00ednh. M\u1ed9t s\u1ef1 ki\u1ec7n \u0111\u1ed9t bi\u1ebfn kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 duy nh\u1ea5t c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y thi\u1ebft b\u1ecb tr\u1ecb gi\u00e1 10.000-30.000 \u0111\u00f4 la v\u00e0 g\u00e2y ra nhi\u1ec1u ng\u00e0y ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. SPD v\u00e0 c\u1ea7u ch\u00ec b\u00e1n d\u1eabn \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u00fang c\u00e1ch, ch\u1ec9 chi\u1ebfm 3-5% t\u1ed5ng chi ph\u00ed b\u1ed9 s\u1ea1c, cung c\u1ea5p b\u1ea3o hi\u1ec3m ch\u1ed1ng l\u1ea1i nh\u1eefng h\u1ecfng h\u00f3c th\u1ea3m kh\u1ed1c n\u00e0y.<\/p>\n<p>B\u1ed1i c\u1ea3nh ph\u00e1p l\u00fd ng\u00e0y c\u00e0ng y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n. IEC 61851-23:2023 v\u00e0 c\u00e1c y\u00eau c\u1ea7u UL 2202 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u00e3 t\u0103ng c\u01b0\u1eddng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n, khi\u1ebfn vi\u1ec7c tu\u00e2n th\u1ee7 tr\u1edf th\u00e0nh b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi c\u00e1c c\u00e0i \u0111\u1eb7t m\u1edbi. Khi m\u1ea1ng l\u01b0\u1edbi s\u1ea1c EV m\u1edf r\u1ed9ng sang c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng su\u1ea5t cao h\u01a1n (b\u1ed9 s\u1ea1c 350kW+ cho xe th\u01b0\u01a1ng m\u1ea1i), c\u00e1c y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 s\u1ebd ch\u1ec9 tr\u1edf n\u00ean nghi\u00eam ng\u1eb7t h\u01a1n.<\/p>\n<p>\u0110\u1ed9i ng\u0169 k\u1ef9 s\u01b0 c\u1ee7a VIOX Electric cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o v\u1ec7 ho\u00e0n ch\u1ec9nh \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi h\u01a1n 25 n\u0103m kinh nghi\u1ec7m trong h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i v\u00e0 b\u1ea3o v\u1ec7 \u0111i\u1ec7n. C\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf c\u00f3 li\u00ean quan v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh trong h\u00e0ng ngh\u00ecn c\u00e0i \u0111\u1eb7t s\u1ea1c th\u01b0\u01a1ng m\u1ea1i tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 b\u00e1n h\u00e0ng k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7 c\u1ee5 th\u1ec3 cho t\u1eebng \u0111\u1ecba \u0111i\u1ec3m v\u00e0 c\u00e1c \u0111\u1ec1 xu\u1ea5t s\u1ea3n ph\u1ea9m.<\/p>\n<hr \/>\n<p style=\"font-style: italic; font-size: 0.9em;\">\u0110\u1ec3 bi\u1ebft th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t v\u00e0 nghi\u00ean c\u1ee9u ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7, h\u00e3y truy c\u1eadp <a href=\"https:\/\/test.viox.com\/vi\/\">viox.com<\/a> ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 s\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang t\u00f4i. VIOX Electric\u2014B\u1ea3o v\u1ec7 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho t\u00ednh di \u0111\u1ed9ng c\u1ee7a ng\u00e0y mai.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Why DC Fast Charger Protection Goes Beyond Basic Circuit Breakers When a $50,000 electric vehicle connects to your charging station, you&#8217;re responsible for more than just delivering power\u2014you&#8217;re protecting a significant investment against electrical threats that can strike in microseconds. In the EV charging infrastructure industry, inadequate protection isn&#8217;t just a technical oversight; it&#8217;s a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21147,"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-21144","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\/21144","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=21144"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21144\/revisions"}],"predecessor-version":[{"id":21146,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21144\/revisions\/21146"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/21147"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=21144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=21144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=21144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}