{"id":3469,"date":"2026-08-08T15:00:00","date_gmt":"2026-08-08T15:00:00","guid":{"rendered":"https:\/\/chac-electric.com\/?p=3469"},"modified":"2026-10-14T06:49:40","modified_gmt":"2026-10-14T06:49:40","slug":"lua-chon-bang-dieu-khien-pin-dc-mcb","status":"publish","type":"post","link":"https:\/\/chac-electric.com\/vi\/blog\/dc-mcb-battery-panel-selection\/","title":{"rendered":"C\u00e2u h\u1ecfi l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb MCB DC cho b\u1ea3ng ph\u00e2n ph\u1ed1i pin v\u00e0 DC"},"content":{"rendered":"

DC MCB<\/a> Vi\u1ec7c l\u1ef1a ch\u1ecdn pin ho\u1eb7c b\u1ea3ng ph\u00e2n ph\u1ed1i DC b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c ng\u1eaft d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u, ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1eb1ng vi\u1ec7c ghi nh\u00e3n d\u00f2ng \u0111i\u1ec7n AC. C\u00e1c h\u1ec7 th\u1ed1ng DC kh\u00f4ng c\u00f3 \u0111\u1eb7c t\u00ednh b\u1eb1ng kh\u00f4ng d\u00f2ng \u0111i\u1ec7n t\u1ef1 nhi\u00ean nh\u01b0 d\u00f2ng \u0111i\u1ec7n AC, do \u0111\u00f3, \u0111i\u1ec7n \u00e1p ch\u00ednh x\u00e1c, b\u1ed1 c\u1ee5c c\u1ef1c, c\u1ef1c t\u00ednh, kh\u1ea3 n\u0103ng c\u1eaft d\u00f2ng \u0111i\u1ec7n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea5u d\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c ghi ch\u00e9p r\u00f5 r\u00e0ng \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn.<\/p>\n

\"C\u00e2u<\/p>\n

M\u1ed9t thi\u1ebft b\u1ecb MCB DC ph\u1ea3i b\u1ea3o v\u1ec7 v\u00e0 c\u00e1ch ly nh\u1eefng g\u00ec?<\/h2>\n

X\u00e1c \u0111\u1ecbnh xem c\u1ea7u b\u1ea3o v\u1ec7 c\u00f3 b\u1ea3o v\u1ec7 nh\u00e1nh pin, \u0111\u1ea7u v\u00e0o bi\u1ebfn t\u1ea7n, \u0111\u1ea7u ra ph\u00e2n ph\u1ed1i hay m\u1ea1ch DC kh\u00e1c hay kh\u00f4ng. Sau \u0111\u00f3 ghi l\u1ea1i \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a, d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c, d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch ti\u1ec1m \u1ea9n, c\u1ef1c v\u00e0 ranh gi\u1edbi c\u00e1ch ly. PXB6DC-63 MCB DC<\/a><\/strong> Trang n\u00e0y l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u c\u1ee5 th\u1ec3 cho b\u00e0i \u0111\u00e1nh gi\u00e1 \u0111\u00f3.<\/p>\n

C\u00e1c \u0111\u1ea7u v\u00e0o c\u1ee7a h\u1ec7 th\u1ed1ng DC n\u00e0o l\u00e0 quan tr\u1ecdng tr\u01b0\u1edbc khi ch\u1ecdn m\u1ed9t m\u00f4 h\u00ecnh?<\/h2>\n

Cung c\u1ea5p \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh v\u00e0 \u0111i\u1ec7n \u00e1p t\u1ed1i \u0111a, h\u00f3a h\u1ecdc v\u00e0 dung l\u01b0\u1ee3ng c\u1ee7a pin, gi\u1ea3 \u0111\u1ecbnh v\u1ec1 m\u1ee9c s\u1ea1c, d\u00e2y n\u1ed1i song song, d\u00f2ng \u0111i\u1ec7n khi c\u00f3 s\u1ef1 c\u1ed1 li\u00ean t\u1ee5c v\u00e0 d\u1ef1 ki\u1ebfn, k\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh v\u00e0 c\u00f4ng su\u1ea5t ng\u1eaft y\u00eau c\u1ea7u. \u0110i\u1ec7n \u00e1p danh \u0111\u1ecbnh th\u1ea5p kh\u00f4ng \u0111\u1ea3m b\u1ea3o d\u00f2ng \u0111i\u1ec7n khi c\u00f3 s\u1ef1 c\u1ed1 c\u1ee7a pin s\u1ebd th\u1ea5p.<\/p>\n

\"B\u1ed9<\/p>\n

C\u00e1ch th\u1ec3 hi\u1ec7n c\u1ef1c tr\u1edf v\u00e0 h\u1ec7 th\u1ed1ng d\u00e2y n\u1ed1i c\u1ef1c ti\u1ebfp theo nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n

Hi\u1ec3n th\u1ecb c\u00e1c d\u00e2y d\u1eabn d\u01b0\u01a1ng v\u00e0 \u00e2m, c\u00e1c \u0111i\u1ec3m c\u00e1ch ly \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a, c\u00e1c c\u1ef1c c\u00f3 \u0111\u1ed9 nh\u1ea1y v\u1edbi \u0111i\u1ec7n tr\u1edf v\u00e0 b\u1ea5t k\u1ef3 c\u1ef1c n\u1ed1i ti\u1ebfp n\u00e0o \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t y\u00eau c\u1ea7u. Kh\u00f4ng n\u00ean cho r\u1eb1ng m\u1ed9t thi\u1ebft b\u1ecb MCB AC c\u00f3 h\u00ecnh d\u00e1ng t\u01b0\u01a1ng t\u1ef1 v\u1ec1 m\u1eb7t h\u00ecnh th\u1ee9c s\u1ebd c\u00f3 c\u00f9ng \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n tr\u1edf ho\u1eb7c h\u01b0\u1edbng n\u1ed1i d\u00e2y \u0111\u01b0\u1ee3c ph\u00e9p.<\/p>\n

T\u1ea1i sao c\u00e1c t\u1ea5m pin c\u1ea7n nhi\u1ec1u h\u01a1n m\u1ed9t nh\u00e3n \u0111i\u1ec7n \u00e1p?<\/h2>\n

T\u1ea7n su\u1ea5t d\u00f2ng \u0111i\u1ec7n do l\u1ed7i pin ph\u1ee5 thu\u1ed9c v\u00e0o h\u00f3a h\u1ecdc, dung l\u01b0\u1ee3ng, \u0111i\u1ec7n tr\u1edf b\u00ean trong, tr\u1ea1ng th\u00e1i s\u1ea1c v\u00e0 k\u1ebft n\u1ed1i song song. Ngo\u00e0i ra, h\u00e3y xem x\u00e9t c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ng\u01b0\u1ee3c, h\u00e0nh vi c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, b\u1ea3o v\u1ec7 c\u00e1p v\u00e0 vi\u1ec7c li\u1ec7u c\u1ea3 hai d\u00e2y d\u1eabn ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e1ch ly theo quy \u0111\u1ecbnh c\u1ee7a d\u1ef1 \u00e1n hay kh\u00f4ng.<\/p>\n

B\u1eb1ng ch\u1ee9ng n\u00e0o n\u00ean k\u00e8m theo b\u00e1o gi\u00e1 c\u1ee7a b\u1ed9 ng\u1eaft \u0111i\u1ec7n DC?<\/h2>\n

Y\u00eau c\u1ea7u th\u00f4ng tin v\u1ec1 m\u00f4 h\u00ecnh ch\u00ednh x\u00e1c, \u0111i\u1ec7n \u00e1p DC v\u00e0 c\u00f4ng su\u1ea5t c\u1eaft, s\u01a1 \u0111\u1ed3 c\u1ef1c v\u00e0 c\u1ef1c, h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t, gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 v\u00e0 m\u1ecdi th\u00f4ng tin ph\u1ed1i h\u1ee3p c\u1ea7n thi\u1ebft. IEC 60947-2<\/a> Cung c\u1ea5p m\u1ed9t b\u1ed1i c\u1ea3nh ti\u00eau chu\u1ea9n cho c\u00e1c \u1ee9ng d\u1ee5ng DC \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, nh\u01b0ng t\u00e0i li\u1ec7u m\u00f4 h\u00ecnh v\u1eabn \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/p>\n

C\u00e1c s\u1ea3n ph\u1ea9m CHAC DC n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c so s\u00e1nh?<\/h2>\n

So s\u00e1nh m\u1eabu PXB6DC v\u1edbi M\u00f4 h\u00ecnh DC MCB CQB7DC<\/a><\/strong> Ch\u1ec9 sau khi ki\u1ec3m tra \u0111i\u1ec7n \u00e1p, c\u1ef1c, c\u1ef1c \u0111\u1ed5i pha v\u00e0 kh\u1ea3 n\u0103ng c\u1eaft d\u00f2ng cho m\u1ea1ch th\u1ef1c t\u1ebf th\u00ec m\u1edbi \u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u00fang. T\u00ean g\u1ecdi c\u1ee7a m\u1ed9t d\u00f2ng s\u1ea3n ph\u1ea9m kh\u00f4ng ph\u1ea3i l\u00e0 b\u1eb1ng ch\u1ee9ng cho th\u1ea5y m\u1ecdi bi\u1ebfn th\u1ec3 \u0111\u1ec1u c\u00f3 c\u00f9ng m\u1ee9c \u0111\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u.<\/p>\n

Khi n\u00e0o nh\u00e0 thi\u1ebft k\u1ebf pin n\u00ean tham gia v\u00e0o?<\/h2>\n

Tr\u1edf l\u1ea1i v\u1edbi nh\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng pin khi hi\u1ec7n t\u01b0\u1ee3ng d\u00f2ng \u0111i\u1ec7n qu\u00e1 t\u1ea3i, c\u00e1ch ly hai d\u00e2y d\u1eabn, ph\u1ea3n chuy\u1ec3n n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c s\u1ef1 ph\u1ed1i h\u1ee3p c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft. S\u00e1ch IEC 60947-3<\/a> c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c \u0111\u00e1nh gi\u00e1 ri\u00eang v\u1ec1 c\u00f4ng t\u1eafc ng\u1eaft; n\u00f3 kh\u00f4ng thay th\u1ebf b\u1eb1ng ch\u1ee9ng v\u1ec1 l\u1ef1a ch\u1ecdn c\u00f4ng t\u1eafc MCB DC.<\/p>\n

M\u1ed9t ho\u00e0n ch\u1ec9nh DC B\u1ed9 ng\u1eaft m\u1ea1ch<\/a> l\u1ef1a ch\u1ecdn<\/strong> Do \u0111\u00f3, b\u1ea3ng ghi l\u1ea1i bao g\u1ed3m \u0111i\u1ec7n \u00e1p t\u1ea1i v\u1ecb tr\u00ed c\u1ef1c th\u1ef1c t\u1ebf, c\u1ef1c t\u00ednh, kh\u1ea3 n\u0103ng ng\u1eaft \u0111i\u1ec7n v\u00e0 gi\u1ea3 \u0111\u1ecbnh v\u1ec1 d\u00f2ng \u0111i\u1ec7n khi pin b\u1ecb l\u1ed7i.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

Li\u1ec7u m\u1ed9t b\u1ed9 c\u00f4ng t\u1eafc ng\u1eaft m\u1ea1ch AC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng cho m\u1ed9t nh\u00e1nh c\u1ee7a pin kh\u00f4ng?<\/h3>\n

Kh\u00f4ng. X\u00e1c nh\u1eadn t\u00e0i li\u1ec7u v\u1ec1 c\u00e1c m\u1eabu thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng DC tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t thi\u1ebft b\u1ecb cho m\u1ea1ch DC.<\/p>\n

Th\u00f4ng tin v\u1ec1 c\u1ef1c \u0111\u1ed9 n\u00e0o n\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o trong RFQ?<\/h3>\n

Hi\u1ec3n th\u1ecb b\u1ed1 tr\u00ed c\u1ef1c v\u00e0 b\u1ea5t k\u1ef3 quy t\u1eafc \u0111\u1ecbnh h\u01b0\u1edbng d\u00e2y \u0111i\u1ec7n n\u00e0o \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u b\u1edfi h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00e3 ch\u1ecdn.<\/p>\n

\u0110i\u1ec1u n\u00e0y kh\u00e1c v\u1edbi danh s\u00e1ch ki\u1ec3m tra v\u1ec1 b\u1ed9 ng\u1eaft \u0111i\u1ec7n DC c\u1ee7a m\u1eb7t tr\u1eddi nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n

C\u00e1c ki\u1ec3m tra c\u1ee5 th\u1ec3 v\u1ec1 d\u00e2y d\u1eabn n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 pin m\u1eb7t tr\u1eddi l\u00e0 nh\u1eefng \u0111\u00e1nh gi\u00e1 li\u00ean quan nh\u01b0ng ri\u00eang bi\u1ec7t; b\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung v\u00e0o c\u00e1c th\u00f4ng s\u1ed1 y\u00eau c\u1ea7u trong \u0111\u01a1n \u0111\u1eb7t h\u00e0ng cho b\u1ea3ng ph\u00e2n ph\u1ed1i \u0111i\u1ec7n DC\/pin.<\/p>\n

Li\u1ec7u vi\u1ec7c c\u00e1ch ly v\u00e0 b\u1ea3o v\u1ec7 c\u00f3 n\u00ean \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi m\u1ed9t m\u1ee5c kh\u00f4ng?<\/h3>\n

Ch\u1ec9 khi b\u1ea3n v\u1ebd \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t quy \u0111\u1ecbnh c\u1ea3 hai nhi\u1ec7m v\u1ee5 cho c\u00f9ng m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ghi trong t\u00e0i li\u1ec7u; n\u1ebfu kh\u00f4ng, h\u00e3y gi\u1eef ch\u00fang ri\u00eang bi\u1ec7t.<\/p>\n

C\u00e1c t\u00e0i li\u1ec7u n\u00e0o nh\u00e0 cung c\u1ea5p n\u00ean cung c\u1ea5p?<\/h3>\n

B\u1eb1ng ch\u1ee9ng v\u1ec1 m\u1eabu s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng th\u00edch v\u1edbi DC, h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ed9 t\u00e0i li\u1ec7u theo y\u00eau c\u1ea7u trong RFQ.<\/p>\n

Khi n\u00e0o n\u00ean \u0111\u00f3ng b\u0103ng vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 ng\u1eaft \u0111i\u1ec7n DC?<\/h3>\n

H\u00e3y \u0111\u00f3ng b\u0103ng n\u00f3 sau khi b\u1ea3n \u0111\u1ed3 d\u00f2ng DC v\u00e0 c\u00e1c ghi ch\u00fa v\u1ec1 c\u1ef1c tr\u1edf \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, tr\u01b0\u1edbc khi b\u1ea3n b\u00e1o gi\u00e1 v\u1eadt li\u1ec7u c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh.<\/p>\n

Tham kh\u1ea3o<\/h2>\n