{"id":19851,"date":"2022-03-24T07:51:24","date_gmt":"2022-03-24T07:51:24","guid":{"rendered":"http:\/\/dgbellvietnam.com\/lithium-ion-battery-energy-storage-safety-standards-part-3\/"},"modified":"2024-10-25T15:12:39","modified_gmt":"2024-10-25T08:12:39","slug":"lithium-ion-battery-energy-storage-safety-standards-part-3","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/lithium-ion-battery-energy-storage-safety-standards-part-3\/","title":{"rendered":"Ti\u00eau chu\u1ea9n an to\u00e0n v\u1ec1 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng c\u1ee7a pin lithium-ion \u2013 Ph\u1ea7n 3"},"content":{"rendered":"
\n

2.1 So s\u00e1nh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n k\u1ebft c\u1ea5u<\/span><\/span><\/strong><\/span><\/h2>\n

Ti\u00eau chu\u1ea9n UL1973 \u0111\u01b0a ra c\u00e1c y\u00eau c\u1ea7u chi ti\u1ebft v\u00e0 c\u1ee5 th\u1ec3 h\u01a1n \u0111\u1ed1i v\u1edbi v\u1ecf s\u1ea3n ph\u1ea9m. V\u00ed d\u1ee5, c\u00f3 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 \u0111\u1ed1i v\u1edbi v\u1ecf kh\u00f4ng ph\u1ea3i kim lo\u1ea1i, v\u1ecf kim lo\u1ea1i, tay c\u1ea7m h\u1ed7 tr\u1ee3 treo t\u01b0\u1eddng, c\u00e1p v\u00e0 \u0111\u1ea7u cu\u1ed1i. V\u1ec1 c\u00e1c kh\u00eda c\u1ea1nh n\u00e0y, ti\u00eau chu\u1ea9n <\/span><\/span>IEC<\/span><\/span><\/a> v\u00e0 GB kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chi ti\u1ebft, m\u00e0 ch\u1ec9 y\u00eau c\u1ea7u v\u1ecf kh\u00f4ng \u0111\u01b0\u1ee3c v\u1ee1 trong c\u00e1c th\u00ed nghi\u1ec7m c\u00f3 li\u00ean quan, d\u1eabn \u0111\u1ebfn ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u b\u00ean trong ho\u1eb7c r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng. Ti\u00eau chu\u1ea9n UL c\u0169ng quy \u0111\u1ecbnh v\u1ec1 n\u1ed1i \u0111\u1ea5t b\u1ea3o v\u1ec7 \u0111\u00e1ng tin c\u1eady c\u1ee7a v\u1ecf, trong khi IEC v\u00e0 GB kh\u00f4ng c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u1ed1i \u0111\u1ea5t b\u1ea3o v\u1ec7 cho h\u1ec7 th\u1ed1ng pin, \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo c\u00e1c ti\u00eau chu\u1ea9n \u0111i\u1ec7n c\u00f3 li\u00ean quan, d\u1ec5 b\u1ecb b\u1ecf qua trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra.<\/span><\/span><\/p>\n

2.2 So s\u00e1nh c\u00e1c y\u00eau c\u1ea7u an to\u00e0n cho pin<\/span><\/span><\/strong><\/span><\/h2>\n

An to\u00e0n th\u00e2n pin \u1edf \u0111\u00e2y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn pin, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u1eed nghi\u1ec7m qu\u00e1 t\u1ea3i v\u00e0 x\u1ea3. Ti\u00eau chu\u1ea9n qu\u1ed1c gia ch\u1ec9 \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m pin v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m theo ba c\u1ea5p \u0111\u1ed9 c\u1ee7a \u0111\u01a1n v\u1ecb pin, m\u00f4-\u0111un pin v\u00e0 c\u1ee5m pin (h\u1ec7 th\u1ed1ng). <\/span><\/span>UL<\/span><\/span><\/a> v\u00e0 IEC ch\u1ec9 ra \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m trong m\u1ed7i l\u1ea7n th\u1eed nghi\u1ec7m. V\u1ec1 m\u1eb7t an to\u00e0n th\u00e2n pin, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ba c\u1ea5p \u0111\u1ed9 n\u00e0y kh\u00f4ng qu\u00e1 l\u1edbn. \u1ede m\u1ed9t s\u1ed1 n\u01a1i, c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n qu\u1ed1c gia th\u1eadm ch\u00ed c\u00f2n nghi\u00eam ng\u1eb7t h\u01a1n. V\u00ed d\u1ee5, \u0111i\u1ec7n tr\u1edf trong c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y c\u00f3 ng\u1eafn m\u1ea1ch ngo\u00e0i \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i nh\u1ecf h\u01a1n 5m \u03a9 v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a trong th\u1eed nghi\u1ec7m t\u0103ng nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i \u0111\u1ea1t 130 \u2103 v\u00e0 gi\u1eef trong 30 ph\u00fat. M\u1ed9t \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng l\u00e0 ti\u00eau chu\u1ea9n UL nghi\u00eam ng\u1eb7t h\u01a1n trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 tr\u00ecnh \u0111\u1ed9 th\u1eed nghi\u1ec7m. N\u00f3 kh\u00f4ng ch\u1ec9 y\u00eau c\u1ea7u kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ea3y ra ch\u00e1y, n\u1ed5 v\u00e0 r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng m\u00e0 c\u00f2n quy \u0111\u1ecbnh kh\u00f4ng \u0111\u01b0\u1ee3c t\u00edch t\u1ee5 kh\u00ed \u0111\u1ed9c, kh\u00ed d\u1ec5 ch\u00e1y, nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt v\u00e0 m\u1ea5t ki\u1ec3m so\u00e1t b\u1ea3o v\u1ec7 sau khi th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

Y\u00eau c\u1ea7u an to\u00e0n li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau r\u1ea5t nhi\u1ec1u so v\u1edbi t\u1eebng ti\u00eau chu\u1ea9n. Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 gi\u1edbi h\u1ea1n x\u1ea3 s\u1ea1c c\u1ee7a UL: trong \u0111i\u1ec1u ki\u1ec7n x\u1ea3 s\u1ea1c t\u1ed1i \u0111a, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef trong gi\u1edbi h\u1ea1n \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. C\u00e1c thi\u1ebft b\u1ecb an to\u00e0n ch\u00ednh nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9 ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c c\u1ee7a ch\u00fang. \u0110\u1ed3ng th\u1eddi, nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n an to\u00e0n. IEC \u0111\u01b0a ra c\u00e1c y\u00eau c\u1ea7u t\u1eeb kh\u00eda c\u1ea1nh l\u1ea1m d\u1ee5ng nhi\u1ec7t v\u00e0 y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 BMS \u0111\u1ed1i v\u1edbi s\u1ea1c v\u00e0 x\u1ea3 qu\u00e1 nhi\u1ec7t. Ti\u00eau chu\u1ea9n GB t\u01b0\u01a1ng t\u1ef1 nh\u01b0 IEC, nh\u01b0ng nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c t\u0103ng l\u00ean 130 \u2103.<\/span><\/span><\/p>\n

X\u00e9t v\u1ec1 th\u1ef1c t\u1ebf, c\u00e1c y\u00eau c\u1ea7u v\u1ec1 th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 gi\u1edbi h\u1ea1n x\u1ea3 s\u1ea1c pin c\u1ee7a UL g\u1ea7n h\u01a1n v\u1edbi \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf. Ngo\u00e0i ra, UL c\u0169ng quy \u0111\u1ecbnh th\u1eed nghi\u1ec7m s\u1ea1c kh\u00f4ng c\u00e2n b\u1eb1ng c\u1ee7a m\u00f4-\u0111un pin, \u0111i\u1ec1u n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong IEC v\u00e0 GB. V\u1ec1 th\u1eed nghi\u1ec7m th\u1ea3 r\u01a1i, UL v\u00e0 IEC th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m ph\u00e2n lo\u1ea1i theo tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m, trong khi ti\u00eau chu\u1ea9n GB th\u1ed1ng nh\u1ea5t \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m l\u00e0 r\u01a1i t\u1ef1 do t\u1eeb \u0111\u1ed9 cao 1,2m xu\u1ed1ng b\u1ec1 m\u1eb7t xi m\u0103ng v\u1edbi c\u1ef1c d\u01b0\u01a1ng ho\u1eb7c c\u1ef1c \u00e2m h\u01b0\u1edbng xu\u1ed1ng d\u01b0\u1edbi. Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn m\u1ed9t k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 n\u00e0y r\u1ea5t d\u1ec5 tri\u1ec3n khai, nh\u01b0ng li\u1ec7u n\u00f3 c\u00f3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m hay kh\u00f4ng v\u1eabn c\u00f2n ph\u1ea3i th\u1ea3o lu\u1eadn. C\u1ea3 ba ti\u00eau chu\u1ea9n \u0111\u1ec1u c\u00f3 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 khu\u1ebfch t\u00e1n nhi\u1ec7t, trong \u0111\u00f3 ti\u00eau chu\u1ea9n IEC c\u00f3 th\u1ec3 ch\u1ecdn th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch trong l\u00f5i l\u00e0m th\u1eed nghi\u1ec7m thay th\u1ebf.<\/span><\/span><\/p>\n

Ngo\u00e0i ra, t\u1ea1i Hoa K\u1ef3, UL9540A \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 m\u1ea5t ki\u1ec3m so\u00e1t nhi\u1ec7t c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng pin v\u00e0 l\u1ef1a ch\u1ecdn c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y n\u1ed5 th\u00edch h\u1ee3p th\u00f4ng qua d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m, \u0111\u00e2y l\u00e0 ti\u00eau chu\u1ea9n c\u1ee7a m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m. M\u1ee5c \u0111\u00edch l\u00e0 gi\u00fap nh\u00e0 cung c\u1ea5p l\u00e0m r\u00f5 c\u00e1c y\u00eau c\u1ea7u c\u00e1ch ly gi\u1eefa h\u1ec7 th\u1ed1ng v\u00e0 t\u01b0\u1eddng, kh\u1ea3 n\u0103ng gia nhi\u1ec7t c\u1ee7a h\u1ec7 th\u1ed1ng, c\u00e1c b\u1ed9 ph\u1eadn d\u1ec5 ch\u00e1y, lo\u1ea1i kh\u00ed sinh ra do qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 l\u1ef1a ch\u1ecdn b\u00ecnh ch\u1eefa ch\u00e1y. IEC v\u00e0 GB ch\u01b0a x\u00e2y d\u1ef1ng c\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng t\u1ef1.<\/span><\/span><\/p>\n

2.3 So s\u00e1nh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng<\/span><\/span><\/strong><\/span><\/h2>\n

Ti\u00eau chu\u1ea9n UL ch\u1ec9 \u0111\u1ecbnh c\u00e1c th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng nh\u01b0 th\u1eed nghi\u1ec7m phun mu\u1ed1i, th\u1eed nghi\u1ec7m ch\u1ed1ng \u1ea9m v\u00e0 th\u1eed nghi\u1ec7m ch\u00e1y b\u00ean ngo\u00e0i, trong khi ti\u00eau chu\u1ea9n GB ch\u1ec9 \u0111\u1ecbnh th\u1eed nghi\u1ec7m phun mu\u1ed1i, th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1eed nghi\u1ec7m \u0111\u1ed9 \u1ea9m cao. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng hai th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo m\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a s\u1ea3n ph\u1ea9m, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t d\u1ef1 \u00e1n c\u1ea7n thi\u1ebft. IEC62619 kh\u00f4ng c\u00f3 quy \u0111\u1ecbnh v\u1ec1 th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0 do ti\u00eau chu\u1ea9n l\u00e0 ti\u00eau chu\u1ea9n chung, trong khi IEC62485-5 ch\u01b0a \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh. Kh\u00f4ng bi\u1ebft c\u00f3 b\u1ea5t k\u1ef3 n\u1ed9i dung n\u00e0o v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y hay kh\u00f4ng. V\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb, ti\u00eau chu\u1ea9n qu\u1ed1c gia ch\u1ec9 \u0111\u1ecbnh c\u00e1c m\u1ee5c th\u1eed nghi\u1ec7m v\u00e0 m\u1ee9c y\u00eau c\u1ea7u trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt BMS GB \/ T34131. Trong UL v\u00e0 IEC, “ph\u00e2n t\u00edch an to\u00e0n ch\u1ee9c n\u0103ng s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111\u00f3ng vai tr\u00f2 ch\u00ednh trong an to\u00e0n v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n, m\u1ea1ch v\u00e0 ph\u1ea7n m\u1ec1m” bao g\u1ed3m c\u00e1c th\u1eed nghi\u1ec7m tr\u00ean BMS. M\u1ed9t trong nh\u1eefng ti\u00eau chu\u1ea9n tham chi\u1ebfu IEC60730-1 ph\u1ee5 l\u1ee5c h bao g\u1ed3m c\u00e1c m\u1ee5c th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m. S\u1ed1 l\u01b0\u1ee3ng m\u1ee5c nhi\u1ec1u h\u01a1n ti\u00eau chu\u1ea9n qu\u1ed1c gia. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c th\u1eed nghi\u1ec7m c\u00e1c ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n kh\u00e1c nhau (BMS thu\u1ed9c lo\u1ea1i \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n t\u1eed), T\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c ki\u1ec3m tra \u0111\u1ebfn t\u00ednh an to\u00e0n c\u1ee7a thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n.<\/span><\/span><\/p>\n

2.4 So s\u00e1nh c\u00e1c y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng<\/span><\/span><\/strong><\/span><\/h2>\n

V\u1ec1 m\u1eb7t ph\u00e2n t\u00edch an to\u00e0n h\u1ec7 th\u1ed1ng, c\u1ea3 UL v\u00e0 IEC \u0111\u1ec1u y\u00eau c\u1ea7u \u0111\u00e1nh gi\u00e1 an to\u00e0n ch\u1ee9c n\u0103ng c\u1ee7a ph\u1ea7n m\u1ec1m m\u1ea1ch \u0111i\u1ec7n t\u1eed. UL c\u0169ng y\u00eau c\u1ea7u ph\u00e2n t\u00edch r\u1ee7i ro c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 cung c\u1ea5p b\u00e1o c\u00e1o ph\u00e2n t\u00edch FMEA ho\u1eb7c c\u00e2y l\u1ed7i, c\u00f3 l\u1ee3i cho vi\u1ec7c \u0111i\u1ec1u tra c\u00e1c r\u1ee7i ro kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 r\u1ee7i ro \u0111i\u1ec7n gi\u1eadt, r\u1ee7i ro h\u1ecfa ho\u1ea1n, r\u1ee7i ro c\u01a1 h\u1ecdc, v.v. v\u00e0 ki\u1ec3m so\u00e1t r\u1ee7i ro \u1edf m\u1ee9c x\u00e1c su\u1ea5t th\u1ea5p ph\u00f9 h\u1ee3p. Ti\u00eau chu\u1ea9n GB kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y. V\u1ec1 m\u1eb7t an to\u00e0n th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng, ti\u00eau chu\u1ea9n UL ch\u1ec9 ra c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n c\u1ea7n \u0111\u00e1p \u1ee9ng \u0111\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh, trong khi ti\u00eau chu\u1ea9n IEC v\u00e0 GB kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u tr\u1ef1c ti\u1ebfp.<\/span><\/span><\/p>\n

3. <\/span><\/span><\/strong>K\u1ebft lu\u1eadn<\/span><\/span><\/strong><\/span><\/h1>\n

Trong b\u00e0i b\u00e1o n\u00e0y, c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ti\u00eau chu\u1ea9n an to\u00e0n c\u1ee7a pin lithium-ion trong c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng ch\u00ednh trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch chi ti\u1ebft, \u0111\u1ed3ng th\u1eddi t\u00f3m t\u1eaft v\u00e0 so s\u00e1nh nh\u1eefng \u0111i\u1ec3m gi\u1ed1ng, kh\u00e1c, \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n c\u00f3 li\u00ean quan. Nh\u00ecn chung, h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n IEC t\u01b0\u01a1ng \u0111\u1ed1i ho\u00e0n thi\u1ec7n, nh\u01b0ng ti\u1ebfn \u0111\u1ed9 chu\u1ea9n b\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eadm. C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a ti\u00eau chu\u1ea9n UL to\u00e0n di\u1ec7n v\u00e0 chi ti\u1ebft, vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra v\u00e0 thi\u1ebft b\u1ecb ki\u1ec3m tra c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c minh trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n. C\u00e1c ti\u00eau chu\u1ea9n trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn b\u1edfi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c gia. C\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a c\u00e1c nh\u00f3m ng\u00e0nh kh\u00e1c nhau \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c gia v\u00e0 ti\u00eau chu\u1ea9n IEC. C\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn v\u1ec1 c\u01a1 c\u1ea5u t\u1ed5 ch\u1ee9c v\u00e0 kh\u00f3 kh\u0103n h\u01a1n trong vi\u1ec7c th\u1ef1c hi\u1ec7n. Do \u0111\u00f3, vi\u1ec7c s\u1ea3n xu\u1ea5t h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng t\u1ea1i th\u1ecb tr\u01b0\u1eddng trong n\u01b0\u1edbc ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo tham chi\u1ebfu \u0111\u1ebfn c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c gia. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng pin lithium c\u1ee7a Trung Qu\u1ed1c, c\u00f3 nh\u1eefng v\u1ea5n \u0111\u1ec1 ho\u1eb7c \u0111\u1ec1 xu\u1ea5t sau.<\/span><\/span><\/p>\n

(1) \u0110\u00e1nh gi\u00e1 an to\u00e0n c\u1ea5p \u0111\u1ed9 h\u1ec7 th\u1ed1ng t\u1ea1i GB kh\u00f4ng ho\u00e0n h\u1ea3o, ch\u1ee7 y\u1ebfu th\u1ec3 hi\u1ec7n \u1edf vi\u1ec7c thi\u1ebfu c\u00e1c y\u00eau c\u1ea7u \u0111\u00e1nh gi\u00e1 v\u00e0 x\u00e1c \u0111\u1ecbnh r\u1ee7i ro h\u1ec7 th\u1ed1ng, thi\u1ebfu \u0111\u00e1nh gi\u00e1 an to\u00e0n ch\u1ee9c n\u0103ng BMS v\u00e0 BMS kh\u00f4ng ti\u1ebfn h\u00e0nh \u0111\u00e1nh gi\u00e1 t\u1ed5ng th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng.<\/span><\/span><\/p>\n

(2) Thi\u1ebfu c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chi ti\u1ebft ho\u1eb7c h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng v\u1ec1 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 v\u1ecf b\u1ecdc, n\u1ed1i \u0111\u1ea5t b\u1ea3o v\u1ec7, \u0111\u1ea7u cu\u1ed1i v\u00e0 c\u00e1p, t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng kh\u00e1c.<\/span><\/span><\/p>\n

(3) \u0110\u1ec1 xu\u1ea5t t\u00e1ch ti\u00eau chu\u1ea9n li\u00ean quan \u0111\u1ebfn an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng kh\u1ecfi ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t ch\u1ee9c n\u0103ng, th\u1ef1c hi\u1ec7n ch\u1ee9ng nh\u1eadn c\u00f3 li\u00ean quan theo ti\u00eau chu\u1ea9n an to\u00e0n v\u00e0 \u0111\u01b0a ra c\u00e1c quy \u0111\u1ecbnh b\u1eaft bu\u1ed9c v\u1ec1 quy\u1ec1n ti\u1ebfp c\u1eadn s\u1ea3n ph\u1ea9m, c\u00f3 l\u1ee3i cho s\u1ef1 c\u1ea1nh tranh c\u00f4ng b\u1eb1ng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a nh\u1eefng ng\u01b0\u1eddi tham gia ng\u00e0nh l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng c\u1ee7a Trung Qu\u1ed1c.<\/span><\/span><\/p>\n

\n
<\/div>\n
<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

2.1 So s\u00e1nh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n k\u1ebft c\u1ea5u Ti\u00eau chu\u1ea9n UL1973 \u0111\u01b0a ra c\u00e1c y\u00eau c\u1ea7u chi ti\u1ebft v\u00e0 c\u1ee5 th\u1ec3 h\u01a1n \u0111\u1ed1i v\u1edbi v\u1ecf s\u1ea3n ph\u1ea9m. V\u00ed d\u1ee5, c\u00f3 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 \u0111\u1ed1i v\u1edbi v\u1ecf kh\u00f4ng ph\u1ea3i kim lo\u1ea1i, v\u1ecf kim lo\u1ea1i, tay c\u1ea7m h\u1ed7 tr\u1ee3 treo t\u01b0\u1eddng, c\u00e1p<\/p>\n","protected":false},"author":1,"featured_media":19852,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19851","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=19851"}],"version-history":[{"count":1,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19851\/revisions"}],"predecessor-version":[{"id":22091,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19851\/revisions\/22091"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19852"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}