{"id":1482,"date":"2026-04-09T08:46:27","date_gmt":"2026-04-09T08:46:27","guid":{"rendered":"https:\/\/www.haiyanele.com\/?p=1482"},"modified":"2026-04-10T09:37:42","modified_gmt":"2026-04-10T09:37:42","slug":"terminal-ground-bar-vs-neutral-bar-guide","status":"publish","type":"post","link":"https:\/\/www.haiyanele.com\/vi\/selection-guide\/terminal-ground-bar-vs-neutral-bar-guide\/","title":{"rendered":"Thanh trung t\u00ednh so v\u1edbi Thanh n\u1ed1i \u0111\u1ea5t: H\u01b0\u1edbng d\u1eabn so s\u00e1nh & \u1ee9ng d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7"},"content":{"rendered":"

H\u01b0\u1edbng d\u1eabn n\u00e0y cho th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa thanh trung t\u00ednh v\u00e0 thanh n\u1ed1i \u0111\u1ea5t. N\u00f3 gi\u1ea3i th\u00edch ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed7i thanh, v\u1ecb tr\u00ed c\u1ee7a m\u1ed7i thanh v\u00e0 t\u1ea1i sao k\u1ebft n\u1ed1i sai c\u00f3 th\u1ec3 nguy hi\u1ec3m. K\u1ebft n\u1ed1i sai c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt, kh\u00f4ng \u0111\u1ea1t ki\u1ec3m tra v\u00e0 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 quy \u0111\u1ecbnh. N\u1ebfu b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c b\u1ea3ng \u0111i\u1ec7n, b\u1ea3ng \u0111i\u1ec7n ph\u1ee5 ho\u1eb7c n\u1ed1i \u0111\u1ea5t, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng. <\/p>\n\n\n\n

Thanh trung t\u00ednh mang t\u1ea3i, thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea3m b\u1ea3o an to\u00e0n<\/strong><\/h2>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh r\u1ea5t \u0111\u01a1n gi\u1ea3n. Thanh trung t\u00ednh mang d\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1 trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. Thanh n\u1ed1i \u0111\u1ea5t, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ea7u cu\u1ed1i \u0111\u01a1n gi\u1ea3n<\/a>, ch\u1ec9 mang d\u00f2ng \u0111i\u1ec7n l\u1ed7i khi c\u00f3 s\u1ef1 c\u1ed1 x\u1ea3y ra.<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 r\u1ea5t quan tr\u1ecdng. Thanh trung t\u00ednh l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng. Thanh n\u1ed1i \u0111\u1ea5t l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a \u0111\u01b0\u1eddng d\u1eabn an to\u00e0n. N\u1ebfu thanh trung t\u00ednh v\u00e0 thanh n\u1ed1i \u0111\u1ea5t \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau sai v\u1ecb tr\u00ed, d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111i \u0111\u1ebfn n\u01a1i kh\u00f4ng n\u00ean \u0111i. C\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i c\u00f3 th\u1ec3 b\u1ecb nhi\u1ec5m \u0111i\u1ec7n. C\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch c\u00f3 th\u1ec3 kh\u00f4ng ng\u1eaft \u0111\u00fang c\u00e1ch. Vi\u1ec7c ki\u1ec3m tra c\u00f3 th\u1ec3 b\u1ecb tr\u01b0\u1ee3t. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, thanh trung t\u00ednh gi\u00fap h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng, v\u00e0 thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i gi\u00fap b\u1ea3o v\u1ec7 con ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

Thanh trung t\u00ednh x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1 h\u00e0ng ng\u00e0y<\/strong><\/h2>\n\n\n\n

Thanh trung t\u00ednh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 mang d\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1 m\u1ecdi l\u00fac. Sau khi \u0111i\u1ec7n r\u1eddi kh\u1ecfi ngu\u1ed3n tr\u00ean d\u00e2y pha v\u00e0 \u0111i qua t\u1ea3i, n\u00f3 s\u1ebd quay tr\u1edf l\u1ea1i tr\u00ean d\u00e2y trung t\u00ednh. \u0110\u01b0\u1eddng d\u1eabn tr\u1edf v\u1ec1 \u0111\u00f3 k\u1ebft th\u00fac t\u1ea1i thanh trung t\u00ednh v\u00e0 sau \u0111\u00f3 ti\u1ebfp t\u1ee5c tr\u1edf l\u1ea1i ngu\u1ed3n.<\/p>\n\n\n\n

V\u00ec n\u00f3 mang d\u00f2ng \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf, thanh trung t\u00ednh ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ee1 \u0111\u00fang. Trong nhi\u1ec1u h\u1ec7 th\u1ed1ng, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ee1 g\u1ea7n v\u1edbi d\u00e2y pha \u0111\u1ec3 c\u00f3 th\u1ec3 x\u1eed l\u00fd to\u00e0n b\u1ed9 d\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1 v\u00e0 b\u1ea5t k\u1ef3 d\u00f2ng \u0111i\u1ec7n m\u1ea5t c\u00e2n b\u1eb1ng n\u00e0o trong h\u1ec7 th\u1ed1ng \u0111a pha. \u0110i\u1ec1u \u0111\u00f3 mang l\u1ea1i hi\u1ec7u su\u1ea5t nhi\u1ec7t t\u1ed1t h\u01a1n v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n\n\n\n

H\u1ea7u h\u1ebft c\u00e1c b\u1ea3ng \u0111i\u1ec7n s\u1eed d\u1ee5ng thanh trung t\u00ednh v\u1edbi nhi\u1ec1u \u0111i\u1ec3m k\u1ebft n\u1ed1i, th\u01b0\u1eddng l\u00e0 t\u1eeb 6 \u0111\u1ebfn 12, m\u1eb7c d\u00f9 c\u00e1c b\u1ea3ng \u0111i\u1ec7n l\u1edbn h\u01a1n c\u00f3 th\u1ec3 c\u1ea7n nhi\u1ec1u h\u01a1n. \u0110\u1ed3ng m\u1ea1 thi\u1ebfc<\/a> ph\u1ed5 bi\u1ebfn v\u00ec n\u00f3 mang l\u1ea1i kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n m\u1ea1nh m\u1ebd v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t. Trong h\u1ea7u h\u1ebft c\u00e1c b\u1ea3ng \u0111i\u1ec7n, thanh trung t\u00ednh \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean c\u00e1c b\u1ed9 c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 n\u00f3 t\u00e1ch bi\u1ec7t v\u1edbi v\u1ecf kim lo\u1ea1i tr\u1eeb khi \u0111\u01b0\u1ee3c ph\u00e9p n\u1ed1i \u0111\u1ea5t t\u1ea1i v\u1ecb tr\u00ed \u0111\u00f3.<\/p>\n\n\n\n

V\u1ecb tr\u00ed r\u1ea5t quan tr\u1ecdng. Trong b\u1ea3ng \u0111i\u1ec7n ch\u00ednh, thanh trung t\u00ednh l\u00e0 \u0111i\u1ec3m tr\u1edf v\u1ec1 ch\u00ednh v\u00e0 \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t t\u1ea1i \u0111i\u1ec3m \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t. Trong b\u1ea3ng \u0111i\u1ec7n ph\u1ee5, thanh trung t\u00ednh ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e1ch ly v\u1edbi v\u1ecf v\u00e0 v\u1edbi thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i. Quy t\u1eafc \u0111\u00f3 ng\u0103n ch\u1eb7n nhi\u1ec1u l\u1ed7i n\u1ed1i d\u00e2y ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n

Thanh n\u1ed1i \u0111\u1ea5t cung c\u1ea5p \u0111\u01b0\u1eddng d\u1eabn an to\u00e0n cho d\u00f2ng \u0111i\u1ec7n l\u1ed7i<\/strong><\/h2>\n\n\n\n

Thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i c\u00f3 m\u1eb7t \u0111\u1ec3 b\u1ea3o v\u1ec7. N\u00f3 kh\u00f4ng mang d\u00f2ng \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng khi h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch. Nhi\u1ec7m v\u1ee5 c\u1ee7a n\u00f3 b\u1eaft \u0111\u1ea7u khi c\u00f3 s\u1ef1 c\u1ed1. N\u1ebfu m\u1ed9t d\u00e2y \u0111i\u1ec7n b\u1ecb nhi\u1ec5m \u0111i\u1ec7n ch\u1ea1m v\u00e0o kim lo\u1ea1i, thanh n\u1ed1i \u0111\u1ea5t s\u1ebd cung c\u1ea5p m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn c\u00f3 \u0111i\u1ec7n tr\u1edf th\u1ea5p cho d\u00f2ng \u0111i\u1ec7n l\u1ed7i tr\u1edf l\u1ea1i h\u1ec7 th\u1ed1ng \u0111\u1ec3 b\u1ed9 ng\u1eaft m\u1ea1ch ho\u1eb7c c\u1ea7u ch\u00ec c\u00f3 th\u1ec3 ng\u1eaft nhanh ch\u00f3ng.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 l\u00e0m cho thanh n\u1ed1i \u0111\u1ea5t tr\u1edf n\u00ean thi\u1ebft y\u1ebfu cho s\u1ef1 an to\u00e0n. N\u1ebfu kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng d\u1eabn n\u1ed1i \u0111\u1ea5t t\u1ed1t, d\u00f2ng \u0111i\u1ec7n l\u1ed7i c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 ng\u1eaft b\u1ed9 ng\u1eaft m\u1ea1ch nhanh ch\u00f3ng. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i b\u1ecb nhi\u1ec5m \u0111i\u1ec7n l\u00e2u h\u01a1n m\u1ee9c c\u1ea7n thi\u1ebft. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb v\u00e0 t\u0103ng nguy c\u01a1 ch\u00e1y.<\/p>\n\n\n\n

Thanh n\u1ed1i \u0111\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb \u0111\u1ed3ng tr\u1ea7n ho\u1eb7c \u0111\u1ed3ng m\u1ea1 thi\u1ebfc v\u00ec c\u00e1c v\u1eadt li\u1ec7u n\u00e0y d\u1eabn \u0111i\u1ec7n t\u1ed1t v\u00e0 b\u1ec1n trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng. Thanh v\u00e0 c\u00e1c \u0111\u1ea7u n\u1ed1i c\u1ee7a n\u00f3 c\u0169ng ph\u1ea3i c\u00f3 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao. Trong qu\u00e1 tr\u00ecnh x\u1ea3y ra s\u1ef1 c\u1ed1, ch\u00fang c\u00f3 th\u1ec3 ph\u1ea3i ch\u1ecbu nhi\u1ec7t v\u00e0 l\u1ef1c cao trong m\u1ed9t th\u1eddi gian ng\u1eafn.<\/p>\n\n\n\n

Trong b\u1ea3ng \u0111i\u1ec7n ch\u00ednh, thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t c\u1ee7a t\u00f2a nh\u00e0. Trong c\u00e1c b\u1ea3ng \u0111i\u1ec7n ph\u1ee5, n\u00f3 k\u1ebft n\u1ed1i v\u1ecf v\u00e0 c\u00e1c d\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb. Trong c\u00e1c t\u1ee7 l\u1edbn h\u01a1n, m\u1ed9t Kh\u1ed1i ph\u00e2n ph\u1ed1i<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t g\u1ea7n \u0111\u00f3. Thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i x\u1eed l\u00fd vi\u1ec7c n\u1ed1i \u0111\u1ea5t v\u00e0 b\u1ea3o v\u1ec7 l\u1ed7i, trong khi Kh\u1ed1i ph\u00e2n ph\u1ed1i x\u1eed l\u00fd vi\u1ec7c ph\u00e2n ph\u1ed1i d\u00e2y d\u1eabn c\u00f3 t\u1ed5 ch\u1ee9c cho c\u00e1c m\u1ea1ch \u0111\u01b0\u1eddng d\u00e2y ho\u1eb7c trung t\u00ednh.<\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

Thanh trung t\u00ednh v\u00e0 thanh n\u1ed1i \u0111\u1ea5t ho\u1ea1t \u0111\u1ed9ng r\u1ea5t kh\u00e1c nhau b\u00ean trong<\/strong><\/h2>\n\n\n\n

C\u00e1ch d\u1ec5 nh\u1ea5t \u0111\u1ec3 so s\u00e1nh hai thanh n\u00e0y l\u00e0 xem x\u00e9t d\u00f2ng \u0111i\u1ec7n, h\u00e0nh vi \u0111i\u1ec7n \u00e1p v\u00e0 vi\u1ec7c n\u1ed1i \u0111\u1ea5t. Ch\u00fang c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng nhau, nh\u01b0ng ch\u00fang ho\u1ea1t \u0111\u1ed9ng r\u1ea5t kh\u00e1c nhau b\u00ean trong b\u1ea3ng \u0111i\u1ec7n.<\/p>\n\n\n\n

T\u00ednh n\u0103ng<\/strong><\/td>Thanh trung t\u00ednh<\/strong><\/td>Thanh n\u1ed1i \u0111\u1ea5t<\/strong><\/td><\/tr>
Lo\u1ea1i d\u00f2ng \u0111i\u1ec7n<\/td>D\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1 trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng<\/td>D\u00f2ng \u0111i\u1ec7n l\u1ed7i trong \u0111i\u1ec1u ki\u1ec7n b\u1ea5t th\u01b0\u1eddng<\/td><\/tr>
T\u1ea7n su\u1ea5t s\u1eed d\u1ee5ng<\/td>Li\u00ean t\u1ee5c<\/td>Hi\u1ebfm<\/td><\/tr>
\u0110\u1ed9 l\u1edbn d\u00f2ng \u0111i\u1ec7n<\/td>Ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea3i v\u00e0 \u0111\u00f4i khi cao<\/td>Cao khi c\u00f3 s\u1ef1 c\u1ed1, th\u1eddi gian ng\u1eafn<\/td><\/tr>
\u0110i\u1ec7n \u00e1p t\u0103ng<\/td>Th\u01b0\u1eddng th\u1ea5p<\/td>N\u00f3 c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9t ng\u1ed9t trong qu\u00e1 tr\u00ecnh x\u1ea3y ra s\u1ef1 c\u1ed1<\/td><\/tr>
N\u1ed1i \u0111\u1ea5t<\/td>N\u1ed1i v\u1edbi PE t\u1ea1i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ch\u00ednh<\/td>N\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t<\/td><\/tr>
Ti\u1ebft di\u1ec7n<\/td>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ee1 g\u1ea7n v\u1edbi d\u00e2y d\u1eabn pha<\/td>\u0110\u1ecbnh c\u1ee1 theo b\u1ea3ng b\u1ea3o v\u1ec7<\/td><\/tr>
X\u1eed l\u00fd m\u1ea5t c\u00e2n b\u1eb1ng<\/td>Mang d\u00f2ng \u0111i\u1ec7n m\u1ea5t c\u00e2n b\u1eb1ng<\/td>Th\u00f4ng th\u01b0\u1eddng kh\u00f4ng mang d\u00f2ng \u0111i\u1ec7n m\u1ea5t c\u00e2n b\u1eb1ng<\/td><\/tr>
C\u00e1c \u0111\u1ea7u cu\u1ed1i \u0111i\u1ec3n h\u00ecnh<\/td>6 \u0111\u1ebfn 12<\/td>6 \u0111\u1ebfn 12<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

So s\u00e1nh n\u00e0y cho th\u1ea5y t\u1ea1i sao s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa thanh trung t\u00ednh v\u00e0 thanh n\u1ed1i \u0111\u1ea5t kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 v\u1ec1 h\u00ecnh th\u1ee9c. M\u1ed9t thanh h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng m\u1ea1ch b\u00ecnh th\u01b0\u1eddng. Thanh c\u00f2n l\u1ea1i h\u1ed7 tr\u1ee3 vi\u1ec7c lo\u1ea1i b\u1ecf s\u1ef1 c\u1ed1 b\u1ea3o v\u1ec7. C\u00f4ng vi\u1ec7c \u0111i\u1ec7n c\u1ee7a ch\u00fang kh\u00e1c nhau, v\u00ec v\u1eady c\u00e1c quy t\u1eafc l\u1eafp \u0111\u1eb7t c\u0169ng kh\u00e1c nhau.<\/p>\n\n\n\n

\u0110\u00e2y c\u0169ng l\u00e0 n\u01a1i Kh\u1ed1i Ph\u00e2n Ph\u1ed1i (Distribution Block) ph\u00f9 h\u1ee3p. Thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 thay th\u1ebf cho Kh\u1ed1i Ph\u00e2n Ph\u1ed1i, v\u00e0 Kh\u1ed1i Ph\u00e2n Ph\u1ed1i kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 thay th\u1ebf cho thanh n\u1ed1i \u0111\u1ea5t. Thanh n\u1ed1i \u0111\u1ea5t qu\u1ea3n l\u00fd c\u00e1c k\u1ebft n\u1ed1i n\u1ed1i \u0111\u1ea5t b\u1ea3o v\u1ec7. Kh\u1ed1i Ph\u00e2n Ph\u1ed1i qu\u1ea3n l\u00fd vi\u1ec7c ph\u00e2n ph\u1ed1i s\u1ea1ch s\u1ebd, t\u1eadp trung h\u01a1n khi nhi\u1ec1u d\u00e2y d\u1eabn c\u1ea7n m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn c\u00f3 t\u1ed5 ch\u1ee9c b\u00ean trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n

Vi\u1ec7c n\u1ed1i \u0111\u1ea5t v\u00e0 \u0111\u1ecbnh c\u1ee1 sai c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m th\u1ef1c s\u1ef1<\/strong><\/h2>\n\n\n\n

M\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 n\u1ed1i trung t\u00ednh v\u00e0 n\u1ed1i \u0111\u1ea5t v\u1edbi nhau trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ee5. \u0110i\u1ec1u \u0111\u00f3 t\u1ea1o ra m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn tr\u1edf v\u1ec1 song song. Sau \u0111\u00f3, d\u00f2ng \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean d\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t v\u00e0 v\u1ecf kim lo\u1ea1i. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m t\u0103ng nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt v\u00e0 c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch.<\/p>\n\n\n\n

M\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c l\u00e0 \u0111\u1ecbnh c\u1ee1 thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i ho\u1eb7c d\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t b\u1ea3o v\u1ec7 k\u1ebft n\u1ed1i v\u1edbi n\u00f3 qu\u00e1 nh\u1ecf. N\u1ebfu \u0111\u01b0\u1eddng d\u1eabn n\u1ed1i \u0111\u1ea5t c\u00f3 \u0111i\u1ec7n tr\u1edf qu\u00e1 cao, d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 kh\u00f4ng t\u0103ng \u0111\u1ee7 cao \u0111\u1ec3 ng\u1eaft b\u1ed9 ng\u1eaft m\u1ea1ch k\u1ecbp th\u1eddi. S\u1ef1 ch\u1eadm tr\u1ec5 \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb v\u00e0 t\u0103ng nguy c\u01a1 ch\u00e1y.<\/p>\n\n\n\n

C\u00e1c k\u1ebft n\u1ed1i k\u00e9m c\u0169ng nguy hi\u1ec3m. C\u00e1c \u0111\u1ea7u cu\u1ed1i b\u1ecb l\u1ecfng, b\u1ee5i b\u1ea9n, oxy h\u00f3a v\u00e0 \u00e1p l\u1ef1c ti\u1ebfp x\u00fac th\u1ea5p \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111i\u1ec7n tr\u1edf. Th\u1ef1c h\u00e0nh t\u1ed1t r\u1ea5t \u0111\u01a1n gi\u1ea3n: s\u1eed d\u1ee5ng \u0111\u00fang thanh, l\u1eafp \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed, si\u1ebft ch\u1eb7t ph\u1ea7n c\u1ee9ng \u0111\u00fang c\u00e1ch v\u00e0 gi\u1eef cho b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n

Ch\u1ecdn m\u1ed7i thanh theo c\u00f4ng vi\u1ec7c v\u00e0 v\u1ecb tr\u00ed b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/strong><\/h2>\n\n\n\n

Ch\u1ecdn thanh trung t\u00ednh khi h\u1ec7 th\u1ed1ng c\u1ea7n \u0111\u01b0\u1eddng d\u1eabn tr\u1edf v\u1ec1 cho d\u00f2ng \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m thi\u1ebft b\u1ecb d\u1ecbch v\u1ee5 v\u00e0 c\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ee5 \u0111\u01b0\u1ee3c c\u00e1ch ly \u0111\u00fang c\u00e1ch ph\u1ee5c v\u1ee5 t\u1ea3i m\u1ed9t pha ho\u1eb7c t\u1ea3i kh\u00f4ng c\u00e2n b\u1eb1ng. Ch\u1ecdn thanh n\u1ed1i \u0111\u1ea5t ho\u1eb7c thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i khi h\u1ec7 th\u1ed1ng c\u1ea7n n\u1ed1i \u0111\u1ea5t thi\u1ebft b\u1ecb v\u00e0 \u0111\u01b0\u1eddng d\u1eabn s\u1ef1 c\u1ed1 an to\u00e0n.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y \u00e1p d\u1ee5ng cho b\u1ea3ng \u0111i\u1ec7n, t\u1ee7 \u0111i\u1ec7n, v\u1ecf m\u00e1y, h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, kh\u00f4ng gian vi\u1ec5n th\u00f4ng v\u00e0 t\u1ee7 c\u00f4ng nghi\u1ec7p. Trong nhi\u1ec1u b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n n\u00e0y, thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i x\u1eed l\u00fd \u0111\u01b0\u1eddng d\u1eabn an to\u00e0n trong khi Kh\u1ed1i Ph\u00e2n Ph\u1ed1i gi\u00fap t\u1ed5 ch\u1ee9c c\u00e1c d\u00e2y d\u1eabn l\u00e0m vi\u1ec7c m\u1ed9t c\u00e1ch s\u1ea1ch s\u1ebd h\u01a1n. \u0110i\u1ec1u n\u00e0y h\u1eefu \u00edch khi b\u1ed1 c\u1ee5c c\u00f3 nhi\u1ec1u \u0111\u01b0\u1eddng ra v\u00e0 c\u1ea7n s\u1ef1 ph\u00e2n t\u00e1ch r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c ch\u1ee9c n\u0103ng n\u1ed1i \u0111\u1ea5t b\u1ea3o v\u1ec7 v\u00e0 ph\u00e2n ph\u1ed1i c\u00f3 c\u1ea5u tr\u00fac.<\/p>\n\n\n\n

M\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf s\u1eed d\u1ee5ng b\u1ed9 ph\u1eadn trung t\u00ednh v\u00e0 b\u1ea3o v\u1ec7 k\u1ebft h\u1ee3p, nh\u01b0ng \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh trong c\u00f4ng vi\u1ec7c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ee5 th\u00f4ng th\u01b0\u1eddng. Trong h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf, vi\u1ec7c gi\u1eef cho ch\u1ee9c n\u0103ng trung t\u00ednh v\u00e0 n\u1ed1i \u0111\u1ea5t ri\u00eang bi\u1ec7t l\u00e0 thi\u1ebft k\u1ebf an to\u00e0n v\u00e0 s\u1ea1ch s\u1ebd h\u01a1n.<\/p>\n\n\n\n

HYJXH c\u00f3 li\u00ean quan \u1edf \u0111\u00e2y v\u00ec m\u1ed9t s\u1ed1 d\u1ef1 \u00e1n c\u1ea7n nhi\u1ec1u h\u01a1n m\u1ed9t b\u1ed9 ph\u1eadn trong c\u00f9ng m\u1ed9t v\u1ecf. M\u1ed9t c\u00f4ng vi\u1ec7c c\u00f3 th\u1ec3 c\u1ea7n thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i \u0111\u1ec3 n\u1ed1i \u0111\u1ea5t, Kh\u1ed1i Ph\u00e2n Ph\u1ed1i \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn ngu\u1ed3n \u0111i\u1ec7n c\u00f3 t\u1ed5 ch\u1ee9c v\u00e0 \u0111\u00f4i khi l\u00e0 b\u1ed1 c\u1ee5c t\u00f9y ch\u1ec9nh cho c\u00e1c t\u1ee7 ch\u1eadt h\u1eb9p ho\u1eb7c s\u1ed1 l\u01b0\u1ee3ng d\u00e2y d\u1eabn b\u1ea5t th\u01b0\u1eddng.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n

Thi\u1ebft k\u1ebf n\u1ed1i \u0111\u1ea5t trung t\u00ednh t\u1ed1t gi\u00fap ng\u0103n ng\u1eeba nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u00e3 quy \u0111\u1ecbnh v\u00e0 vi\u1ec7c l\u00e0m l\u1ea1i t\u1ed1n k\u00e9m. S\u1eed d\u1ee5ng thanh trung t\u00ednh cho d\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1. S\u1eed d\u1ee5ng thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ef1 c\u1ed1. Ch\u1ec9 n\u1ed1i ch\u00fang v\u1edbi nhau khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng cho ph\u00e9p.<\/p>\n\n\n\n

Khi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u0169ng c\u1ea7n \u0111\u1ecbnh tuy\u1ebfn d\u00e2y d\u1eabn s\u1ea1ch s\u1ebd h\u01a1n, h\u00e3y th\u00eam Kh\u1ed1i Ph\u00e2n Ph\u1ed1i thay v\u00ec c\u1ed1 g\u1eafng l\u00e0m cho thanh n\u1ed1i \u0111\u1ea5t l\u00e0m m\u1ecdi th\u1ee9. Thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i x\u1eed l\u00fd n\u1ed1i \u0111\u1ea5t v\u00e0 n\u1ed1i \u0111\u1ea5t. Kh\u1ed1i Ph\u00e2n Ph\u1ed1i x\u1eed l\u00fd ph\u00e2n ph\u1ed1i \u0111a \u0111\u01b0\u1eddng d\u00e2y c\u00f3 t\u1ed5 ch\u1ee9c. \u0110i\u1ec1u \u0111\u00f3 mang l\u1ea1i b\u1ed1 c\u1ee5c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n an to\u00e0n v\u00e0 s\u1ea1ch s\u1ebd h\u01a1n.<\/p>\n\n\n\n

Trong c\u00e1c d\u1ef1 \u00e1n th\u1ef1c t\u1ebf, vi\u1ec7c l\u1ef1a ch\u1ecdn th\u00e0nh ph\u1ea7n nh\u1ea5t qu\u00e1n c\u0169ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. L\u00e0m vi\u1ec7c v\u1edbi m\u1ed9t nh\u00e0 cung c\u1ea5p duy nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c t\u00ecm ngu\u1ed3n cung \u1ee9ng, gi\u1ea3m c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 l\u1eafp \u0111\u1eb7t\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 nhi\u1ec1u m\u1ea1ch v\u00e0 b\u1ed1 c\u1ee5c ch\u1eadt h\u1eb9p.<\/p>\n\n\n\n

V\u1edbi kinh nghi\u1ec7m h\u1ed7 tr\u1ee3 c\u00e1c d\u1ef1 \u00e1n tr\u00ean h\u01a1n 100 qu\u1ed1c gia v\u00e0 n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn cho c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n, HYJXH gi\u00fap c\u00e1c nh\u00e0 th\u1ea7u v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n gi\u1eef cho vi\u1ec7c l\u1eafp \u0111\u1eb7t nh\u1ea5t qu\u00e1n, gi\u1ea3m r\u1ee7i ro d\u1ef1 \u00e1n v\u00e0 ho\u00e0n th\u00e0nh \u0111\u00fang th\u1eddi h\u1ea1n.<\/p>\n\n\n\n

N\u1ebfu d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n c\u0169ng c\u1ea7n ph\u00e2n ph\u1ed1i n\u1ed9i b\u1ed9 s\u1ea1ch h\u01a1n, h\u00e3y xem x\u00e9t c\u00e1c kh\u1ed1i ph\u00e2n ph\u1ed1i c\u1ee7a HYJXH c\u00f9ng v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn thanh n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u cu\u1ed1i c\u1ee7a n\u00f3.<\/p>\n\n\n

\n
\"\"\/<\/a><\/figure>\n<\/div>\n\n\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Thanh trung t\u00ednh so v\u1edbi Thanh n\u1ed1i \u0111\u1ea5t<\/strong><\/h2>\n\n\n\n
    \n
  1. Thanh trung t\u00ednh v\u00e0 thanh n\u1ed1i \u0111\u1ea5t c\u00f3 gi\u1ed1ng nhau kh\u00f4ng?
    <\/strong> Kh\u00f4ng. Ch\u00fang c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng nhau, nh\u01b0ng ch\u00fang l\u00e0m nh\u1eefng c\u00f4ng vi\u1ec7c kh\u00e1c nhau. Thanh trung t\u00ednh mang d\u00f2ng \u0111i\u1ec7n l\u00e0m vi\u1ec7c. Thanh n\u1ed1i \u0111\u1ea5t d\u00f9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra l\u1ed7i.<\/li>\n\n\n\n
  2. Thanh n\u00e0o mang d\u00f2ng \u0111i\u1ec7n m\u1ecdi l\u00fac?<\/strong>
    <\/strong> Thanh trung t\u00ednh. N\u00f3 mang d\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng b\u00ecnh th\u01b0\u1eddng. Thanh n\u1ed1i \u0111\u1ea5t kh\u00f4ng n\u00ean mang d\u00f2ng \u0111i\u1ec7n trong ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/li>\n\n\n\n
  3. T\u1ea1i sao l\u1ea1i nguy hi\u1ec3m khi nh\u1ea7m l\u1eabn gi\u1eefa trung t\u00ednh v\u00e0 n\u1ed1i \u0111\u1ea5t?<\/strong>
    <\/strong> B\u1edfi v\u00ec d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111i \u0111\u1ebfn nh\u1eefng n\u01a1i kh\u00f4ng n\u00ean \u0111i, c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i c\u00f3 th\u1ec3 b\u1ecb nhi\u1ec5m \u0111i\u1ec7n. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt v\u00e0 g\u00e2y ra s\u1ef1 c\u1ed1 theo quy \u0111\u1ecbnh.<\/li>\n\n\n\n
  4. Thanh trung t\u00ednh v\u00e0 n\u1ed1i \u0111\u1ea5t c\u00f3 th\u1ec3 \u0111\u1eb7t tr\u00ean c\u00f9ng m\u1ed9t thanh kh\u00f4ng?<\/strong>
    <\/strong> Ch\u1ec9 \u1edf \u0111\u00fang v\u1ecb tr\u00ed. Trong b\u1ea3ng d\u1ecbch v\u1ee5 ch\u00ednh, c\u00f3 th\u1ec3 cho ph\u00e9p n\u1ed1i. Trong b\u1ea3ng ph\u1ee5, ch\u00fang n\u00ean \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t.<\/li>\n\n\n\n
  5. \u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu thanh trung t\u00ednh v\u00e0 n\u1ed1i \u0111\u1ea5t \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau trong b\u1ea3ng ph\u1ee5?<\/strong>
    <\/strong> D\u00f2ng \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u ch\u1ea3y tr\u00ean c\u00e1c \u0111\u01b0\u1eddng n\u1ed1i \u0111\u1ea5t v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng an to\u00e0n v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ki\u1ec3m tra th\u1ea5t b\u1ea1i.<\/li>\n<\/ol>\n\n\n\n
    \n
    Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    This guide shows the difference between a neutral bar and a grounding bar. It explains what each bar does, where each one goes, and why the [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":1485,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-1482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-selection-guide"],"_links":{"self":[{"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/posts\/1482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/comments?post=1482"}],"version-history":[{"count":6,"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/posts\/1482\/revisions"}],"predecessor-version":[{"id":1520,"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/posts\/1482\/revisions\/1520"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/media\/1485"}],"wp:attachment":[{"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/media?parent=1482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/categories?post=1482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.haiyanele.com\/vi\/wp-json\/wp\/v2\/tags?post=1482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}