{"id":8598,"date":"2023-12-04T08:57:47","date_gmt":"2023-12-04T00:57:47","guid":{"rendered":"https:\/\/www.evb.com\/?p=8598"},"modified":"2025-02-25T10:50:04","modified_gmt":"2025-02-25T02:50:04","slug":"what-do-you-need-to-know-about-ac-ev-chargers","status":"publish","type":"post","link":"https:\/\/www.evb.com\/vi\/what-do-you-need-to-know-about-ac-ev-chargers\/","title":{"rendered":"Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 b\u1ed9 s\u1ea1c AC EV"},"content":{"rendered":"
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Xe \u0111i\u1ec7n (EV) s\u1eed d\u1ee5ng \u0111i\u1ec7n ho\u1eb7c c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o kh\u00e1c \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng. Xe \u0111i\u1ec7n \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ti\u00eau d\u00f9ng \u01b0a chu\u1ed9ng nh\u1edd nhi\u1ec1u \u01b0u \u0111i\u1ec3m, bao g\u1ed3m th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, v\u1eadn h\u00e0nh \u00eam \u00e1i, gi\u1ea3m chi ph\u00ed, y\u00eau c\u1ea7u b\u1ea3o tr\u00ec th\u1ea5p, v.v. Khi ng\u00e0y c\u00e0ng nhi\u1ec1u ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn xe \u0111i\u1ec7n, quy m\u00f4 ng\u01b0\u1eddi d\u00f9ng d\u1ef1 ki\u1ebfn s\u1ebd t\u0103ng \u0111\u00e1ng k\u1ec3 trong nh\u1eefng n\u0103m t\u1edbi.<\/div>
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B\u1ed9 s\u1ea1c AC EV<\/a><\/span><\/strong> C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c xe \u0111i\u1ec7n l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng, g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y s\u1ef1 ph\u1ed5 bi\u1ebfn v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a xe \u0111i\u1ec7n. V\u1edbi s\u1ef1 m\u1edf r\u1ed9ng kh\u00f4ng ng\u1eebng c\u1ee7a th\u1ecb tr\u01b0\u1eddng xe \u0111i\u1ec7n to\u00e0n c\u1ea7u, nhu c\u1ea7u v\u1ec1 b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n AC c\u0169ng ng\u00e0y c\u00e0ng t\u0103ng. Kh\u1ea3 n\u0103ng s\u1ea1c nhanh v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed c\u1ee7a ch\u00fang khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p \u0111\u1ec3 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u1ea3 khu d\u00e2n c\u01b0 v\u00e0 th\u01b0\u01a1ng m\u1ea1i.<\/div>
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Th\u1ecb tr\u01b0\u1eddng b\u1ed9 s\u1ea1c EV to\u00e0n c\u1ea7u \u0111\u1ea1t kho\u1ea3ng $7,2 t\u1ef7 v\u00e0o n\u0103m 2022 v\u00e0 d\u1eef li\u1ec7u n\u00e0y \u01b0\u1edbc t\u00ednh s\u1ebd \u0111\u1ea1t $91,2 t\u1ef7 v\u00e0o n\u0103m 2032.([1])<\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Hi\u1ec3u v\u1ec1 b\u1ed9 s\u1ea1c AC EV<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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B\u1ed9 s\u1ea1c AC EV cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u (AC) cho xe \u0111i\u1ec7n, \u0111\u00f3ng vai tr\u00f2 ki\u1ec3m so\u00e1t ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o an to\u00e0n khi s\u1ea1c. Ch\u00fang c\u00f3 nhi\u1ec1u m\u1ee9c c\u00f4ng su\u1ea5t v\u00e0 c\u1ea5u h\u00ecnh kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i xe \u0111i\u1ec7n m\u00e0 ch\u00fang h\u1ed7 tr\u1ee3 v\u00e0 \u0111\u1ecba \u0111i\u1ec3m tri\u1ec3n khai.<\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Ch\u1ee9c n\u0103ng v\u00e0 th\u00e0nh ph\u1ea7n c\u1ee7a b\u1ed9 s\u1ea1c AC EV<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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B\u1ed9 s\u1ea1c AC EV l\u00e0 c\u1ea7u n\u1ed1i gi\u1eefa xe \u0111i\u1ec7n v\u00e0 l\u01b0\u1edbi \u0111i\u1ec7n. Ch\u00fang l\u1ea5y ngu\u1ed3n \u0111i\u1ec7n AC t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh ngu\u1ed3n \u0111i\u1ec7n DC \u0111\u1ec3 s\u1ea1c pin xe. B\u1ed9 s\u1ea1c AC EV ch\u1ee7 y\u1ebfu bao g\u1ed3m k\u1ebft n\u1ed1i ngu\u1ed3n \u0111\u1ea7u v\u00e0o, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n, giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 m\u00f4-\u0111un b\u1ea3o v\u1ec7.<\/div>
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B\u1ed9 s\u1ea1c l\u1ea5y \u0111i\u1ec7n t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n th\u00f4ng qua k\u1ebft n\u1ed1i ngu\u1ed3n \u0111\u1ea7u v\u00e0o. B\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n, c\u00e1c th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu, bao g\u1ed3m b\u1ed9 chuy\u1ec3n \u0111\u1ed5i AC-DC, ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p cao AC th\u00e0nh \u0111i\u1ec7n \u00e1p th\u1ea5p DC. Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c trang b\u1ecb m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb v\u00e0 c\u00e1c n\u00fat \u0111i\u1ec1u khi\u1ec3n cho ph\u00e9p ch\u1ee7 xe \u0111i\u1ec7n v\u1eadn h\u00e0nh b\u1ed9 s\u1ea1c AC EV. B\u1ed9 s\u1ea1c cung c\u1ea5p tr\u1ea1ng th\u00e1i s\u1ea1c theo th\u1eddi gian th\u1ef1c c\u00f9ng v\u1edbi d\u1eef li\u1ec7u s\u1eed d\u1ee5ng l\u1ecbch s\u1eed.<\/div>
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B\u1ed9 \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n l\u00fd v\u00e0 gi\u00e1m s\u00e1t qu\u00e1 tr\u00ecnh s\u1ea1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u00f2ng \u0111i\u1ec7n ch\u1ea1y \u0111\u00fang. H\u01a1n n\u1eefa, m\u00f4-\u0111un b\u1ea3o v\u1ec7 c\u00f2n cung c\u1ea5p kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n khi s\u1ea1c. C\u00e1c tr\u1ea1m s\u1ea1c EV Connect cao c\u1ea5p c\u00f2n \u0111\u01b0\u1ee3c trang b\u1ecb thi\u1ebft k\u1ebf m\u00f4-\u0111un v\u1edbi c\u00e1c v\u1ecf b\u1ecdc ri\u00eang bi\u1ec7t, gi\u00fap vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 n\u00e2ng c\u1ea5p d\u1ec5 d\u00e0ng.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 s\u1ea1c AC EV<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u0110\u1ea7u ti\u00ean, b\u1ed9 s\u1ea1c AC EV l\u1ea5y \u0111i\u1ec7n xoay chi\u1ec1u t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n. Ti\u1ebfp theo, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i s\u1ebd chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n xoay chi\u1ec1u 220V th\u00e0nh \u0111i\u1ec7n m\u1ed9t chi\u1ec1u, sau \u0111\u00f3 truy\u1ec1n tr\u1ef1c ti\u1ebfp \u0111\u1ebfn b\u1ed9 s\u1ea1c t\u00edch h\u1ee3p v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 s\u1ea1c tr\u1ef1c ti\u1ebfp cho pin.<\/div>
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C\u00e1c m\u00f4-\u0111un qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng ti\u00ean ti\u1ebfn s\u1ebd \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u00e0y, \u0111\u1ed3ng th\u1eddi li\u00ean t\u1ee5c theo d\u00f5i c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n v\u00e0 nhi\u1ec7t \u0111\u1ed9. Ngu\u1ed3n \u0111i\u1ec7n DC \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ecdc sau \u0111\u00f3 \u0111\u01b0\u1ee3c cung c\u1ea5p an to\u00e0n cho xe \u0111\u1ec3 s\u1ea1c.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\u01afu \u0111i\u1ec3m c\u1ee7a b\u1ed9 s\u1ea1c AC EV<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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C\u00e1c gi\u1ea3i ph\u00e1p s\u1ea1c AC EV \u0111\u00e1ng tin c\u1eady mang l\u1ea1i nhi\u1ec1u l\u1ee3i th\u1ebf, gi\u00fap ch\u00fang tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p thi\u1ebft th\u1ef1c v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng xe \u0111i\u1ec7n. C\u00e1c t\u00f9y ch\u1ecdn l\u1eafp \u0111\u1eb7t linh ho\u1ea1t v\u00e0 chi ph\u00ed ban \u0111\u1ea7u v\u1eeba ph\u1ea3i \u0111\u00e3 gi\u00fap ch\u00fang \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i tr\u00ean kh\u1eafp Ch\u00e2u \u00c2u, Trung Qu\u1ed1c, \u0110\u00f4ng Nam \u00c1 v\u00e0 c\u00e1c th\u1ecb tr\u01b0\u1eddng kh\u00e1c. Nh\u1eefng l\u1ee3i th\u1ebf ch\u00ednh bao g\u1ed3m:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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1. S\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ed9ng<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Gi\u1ea3i ph\u00e1p s\u1ea1c AC EV mang \u0111\u1ebfn s\u1ef1 ti\u1ec7n l\u1ee3i v\u01b0\u1ee3t tr\u1ed9i v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i, cho ph\u00e9p ch\u1ee7 xe \u0111i\u1ec7n s\u1ea1c xe ngo\u00e0i tr\u1eddi m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. T\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i xe \u0111i\u1ec7n tr\u00ean \u0111\u01b0\u1eddng, b\u1ed9 s\u1ea1c n\u00e0y c\u00f3 nhi\u1ec1u t\u00f9y ch\u1ecdn l\u1eafp \u0111\u1eb7t linh ho\u1ea1t, ph\u00f9 h\u1ee3p \u0111\u1ec3 l\u1eafp \u0111\u1eb7t trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1eddng x\u00e1 kh\u00e1c nhau, c\u1ea3 tr\u00ean \u0111\u01b0\u1eddng ph\u1ed1 l\u1eabn \u0111\u01b0\u1eddng \u0111\u1ecba h\u00ecnh.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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2. Hi\u1ec7u qu\u1ea3 chi ph\u00ed cao<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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B\u1ed9 s\u1ea1c AC c\u00f3 chi ph\u00ed mua s\u1eafm, l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n nh\u1edd thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7n \u0111\u1ea1i. Chi ph\u00ed v\u1eadn h\u00e0nh c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i ti\u1ebft ki\u1ec7m. T\u00ednh hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed n\u00e0y gi\u00fap m\u1edf r\u1ed9ng ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ed9 s\u1ea1c AC, bi\u1ebfn n\u00f3 th\u00e0nh l\u1ef1a ch\u1ecdn thi\u1ebft th\u1ef1c cho nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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3. Hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng cao<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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B\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea5p chip ti\u00ean ti\u1ebfn v\u00e0 c\u00f4ng ngh\u1ec7 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng gi\u00fap b\u1ed9 s\u1ea1c AC EV \u0111\u1ea1t hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng cao. B\u1ed9 s\u1ea1c \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 gi\u1ea3m chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng cho ng\u01b0\u1eddi d\u00f9ng.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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4. An to\u00e0n<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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B\u1ed9 s\u1ea1c AC EV t\u00edch h\u1ee3p nhi\u1ec1u c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t, qu\u00e1 \u00e1p v\u00e0 ch\u1ed1ng r\u00f2 r\u1ec9, mang \u0111\u1ebfn cho ch\u1ee7 xe m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ea1c an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh. B\u1eb1ng c\u00e1ch cung c\u1ea5p \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh, b\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u h\u01b0 h\u1ecfng ti\u1ec1m \u1ea9n cho xe v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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5. D\u1ec5 d\u00e0ng b\u1ea3o tr\u00ec v\u00e0 l\u1eafp \u0111\u1eb7t<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Thi\u1ebft k\u1ebf m\u00f4-\u0111un c\u1ee7a b\u1ed9 s\u1ea1c AC EV gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa. L\u00e0 thi\u1ebft b\u1ecb c\u1eafm v\u00e0 ch\u1ea1y, c\u00e1c tr\u1ea1m s\u1ea1c EV k\u1ebft n\u1ed1i n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t nhanh ch\u00f3ng m\u00e0 kh\u00f4ng c\u1ea7n t\u1ed1n nhi\u1ec1u c\u00f4ng s\u1ee9c.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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EVB cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p s\u1ea1c xe \u0111i\u1ec7n AC s\u00e1ng t\u1ea1o<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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EVB<\/span><\/strong><\/a> l\u00e0 nh\u00e0 cung c\u1ea5p h\u00e0ng \u0111\u1ea7u c\u00e1c gi\u1ea3i ph\u00e1p s\u1ea1c xe \u0111i\u1ec7n AC v\u1edbi b\u1ec1 d\u00e0y kinh nghi\u1ec7m trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t. \u0110\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o n\u0103m 2011, th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a ch\u00fang t\u00f4i c\u00f3 h\u01a1n m\u01b0\u1eddi n\u0103m kinh nghi\u1ec7m trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p ti\u00ean ti\u1ebfn.<\/div>
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Ch\u00fang t\u00f4i s\u1edf h\u1eefu n\u0103ng l\u1ef1c R&D, s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng to\u00e0n di\u1ec7n, c\u00f9ng cam k\u1ebft cung c\u1ea5p thi\u1ebft b\u1ecb s\u1ea1c hi\u1ec7u su\u1ea5t cao, th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng v\u00e0 b\u1ec1n b\u1ec9 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u00e3 gi\u00fap EVB tr\u1edf th\u00e0nh th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn trong ng\u00e0nh. Nh\u1eefng l\u1ee3i th\u1ebf c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m:<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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