{"id":4525,"date":"2026-10-11T00:00:00","date_gmt":"2026-10-11T00:00:00","guid":{"rendered":"https:\/\/chac-electric.com\/?p=4525"},"modified":"2026-10-06T08:29:27","modified_gmt":"2026-10-06T08:29:27","slug":"bo-chong-giat-so-voi-bo-bao-ve-giat-5-diem-khac-biet","status":"publish","type":"post","link":"https:\/\/chac-electric.com\/vi\/blog\/surge-arrester-vs-surge-protector-5-differences\/","title":{"rendered":"B\u1ed9 ph\u1eadn ch\u1ed1ng gi\u1eadt so v\u1edbi b\u1ed9 ph\u1eadn b\u1ea3o v\u1ec7 gi\u1eadt: 5 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng m\u1ed7i lo\u1ea1i"},"content":{"rendered":"

Khi m\u1ed9t ng\u01b0\u1eddi qu\u1ea3n l\u00fd c\u01a1 s\u1edf \u1edf Tampa thay th\u1ebf m\u1ed9t b\u1ed9 b\u1ea3o v\u1ec7 plug-in \u0111\u00e3 h\u1ecfng sau m\u1ed9t c\u01a1n b\u00e3o, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u00eda tr\u00ean v\u1eabn thi\u1ebfu kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 t\u1ea1m th\u1eddi ph\u1ed1i h\u1ee3p. M\u1ed9t s\u1ef1 c\u1ed1 th\u1ee9 hai \u0111\u00e3 l\u00e0m h\u1ecfng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed \u0111i\u1ec1u khi\u1ec3n v\u00ec nh\u00f3m \u0111\u00e3 so s\u00e1nh nh\u00e3n hi\u1ec7u s\u1ea3n ph\u1ea9m thay v\u00ec d\u1ef1a v\u00e0o v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t, \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh, kh\u1ea3 n\u0103ng x\u1ea3 \u0111i\u1ec7n v\u00e0 \u0111\u01b0\u1eddng n\u1ed1i \u0111\u1ea5t. B\u00e0i h\u1ecdc r\u00fat ra l\u00e0 s\u1ef1 thi\u1ebfu s\u00f3t trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ed7i s\u1ea3n ph\u1ea9m \u0111\u01a1n gi\u1ea3n.<\/p>\n

T\u00f3m t\u1eaft: \u201cB\u1ed9 ng\u1eaft d\u00f2ng \u0111i\u1ec7n qu\u00e1 \u00e1p\u201d v\u00e0 \u201cb\u1ed9 b\u1ea3o v\u1ec7 d\u00f2ng \u0111i\u1ec7n qu\u00e1 \u00e1p\u201d th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho nhau, nh\u01b0ng ng\u01b0\u1eddi mua n\u00ean so s\u00e1nh n\u0103m \u0111i\u1ec3m kh\u00e1c bi\u1ec7t th\u1ef1c t\u1ebf: v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t, c\u1ea5u tr\u00fac k\u1ebft n\u1ed1i, \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c, kh\u1ea3 n\u0103ng ch\u1ed1ng d\u00f2ng \u0111i\u1ec7n qu\u00e1 \u00e1p v\u00e0 n\u0103ng l\u01b0\u1ee3ng, c\u0169ng nh\u01b0 s\u1ef1 ph\u1ed1i h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t. IEC 61643-11 bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng d\u00f2ng \u0111i\u1ec7n qu\u00e1 \u00e1p lo\u1ea1i h\u1ea1 \u00e1p (SPDs); \u0111i\u1ec3m ch\u00ednh x\u00e1c B\u1ed9 ng\u1eaft \u0111i\u1ec7n gi\u1eadt so v\u1edbi b\u1ed9 b\u1ea3o v\u1ec7 \u0111i\u1ec7n gi\u1eadt<\/strong> S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed1i \u0111e d\u1ecda, thi\u1ebft b\u1ecb v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng.<\/p>\n

\"Tham
C\u00c1C t\u00e0i li\u1ec7u tham kh\u1ea3o v\u1ec1 \u0111i\u1ec7n c\u1ee7a CHAC \u0111\u1ec3 l\u1eadp k\u1ebf ho\u1ea1ch d\u1ef1 \u00e1n.<\/figcaption><\/figure>\n

Thi\u1ebft b\u1ecb t\u0103ng \u00e1p n\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf \u0111\u00e2u?<\/h2>\n

M\u1ed9t thi\u1ebft b\u1ecb SPD (Service Entrance or Distribution Board) \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u1ec3 chuy\u1ec3n h\u01b0\u1edbng n\u0103ng l\u01b0\u1ee3ng t\u1ea1m th\u1eddi tr\u01b0\u1edbc khi n\u00f3 \u0111\u1ebfn c\u00e1c m\u1ea1ch ph\u00eda h\u1ea1 l\u01b0u. M\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t t\u1ea1i \u0111i\u1ec3m s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ea7n c\u00e1c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ea1n ch\u1ebf \u0111i\u1ec7n \u00e1p c\u00f2n s\u00f3t l\u1ea1i sau khi bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 \u1edf ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n c\u00f3 hi\u1ec7u l\u1ef1c. C\u00e1c thu\u1eadt ng\u1eef c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y theo th\u1ecb tr\u01b0\u1eddng, v\u00ec v\u1eady v\u1ecb tr\u00ed v\u00e0 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n l\u00e0 quan tr\u1ecdng h\u01a1n l\u00e0 t\u00ean tr\u00ean bao b\u00ec.<\/p>\n

Vi\u1ec7c ph\u1ed1i h\u1ee3p y\u00eau c\u1ea7u c\u00e1c d\u00e2y d\u1eabn ng\u1eafn v\u00e0 tr\u1ef1c ti\u1ebfp c\u00f9ng v\u1edbi \u0111\u01b0\u1eddng n\u1ed1i \u0111\u1ea5t c\u00f3 \u0111i\u1ec7n tr\u1edf th\u1ea5p. C\u00e1c d\u00e2y d\u1eabn d\u00e0i ho\u1eb7c v\u00f2ng l\u1ea1i s\u1ebd t\u1ea1o ra \u0111i\u1ec7n \u00e1p c\u1ea3m \u1ee9ng trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9t bi\u1ebfn \u0111i\u1ec7n m\u1ea1nh. Thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 b\u00f9 \u0111\u1eafp cho s\u1ef1 s\u1eafp x\u1ebfp n\u1ed1i \u0111\u1ea5t kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c v\u1ecf b\u1ecdc kh\u00f4ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u1ea7n thi\u1ebft.<\/p>\n

Ch\u1ebf \u0111\u1ed9 b\u1ea3o v\u1ec7 v\u00e0 \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn?<\/h2>\n

C\u00e1c SPD c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi d\u00e2y \u0111i\u1ec7n, v\u1edbi d\u00e2y trung t\u00ednh, v\u1edbi d\u00e2y \u0111\u1ea5t ho\u1eb7c theo c\u00e1c k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng quy \u0111\u1ecbnh. \u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c t\u1ed1i \u0111a ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n, bao g\u1ed3m c\u1ea3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111i\u1ec7n \u00e1p qu\u00e1 \u00e1p t\u1ea1m th\u1eddi. M\u1ed9t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u1ed9t h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t c\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng kh\u00e1c.<\/p>\n

C\u00e1c ch\u1ea5t \u0111i\u1ec7n tr\u1edf oxit kim lo\u1ea1i, \u1ed1ng ph\u00f3ng \u0111i\u1ec7n kh\u00ed v\u00e0 thi\u1ebft k\u1ebf k\u1ebft h\u1ee3p c\u00f3 h\u00e0nh vi kh\u00e1c nhau khi ch\u1ecbu t\u1ea3i \u0111i\u1ec7n \u00e1p b\u00ecnh th\u01b0\u1eddng, t\u1ea3i \u0111i\u1ec7n \u00e1p t\u1ea1m th\u1eddi v\u00e0 c\u00e1c xung \u0111i\u1ec7n li\u00ean t\u1ee5c. B\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m n\u00ean n\u00eau r\u00f5 c\u00e1c ch\u1ebf \u0111\u1ed9 b\u1ea3o v\u1ec7, c\u1ea5p \u0111i\u1ec7n \u00e1p, \u0111i\u1ec7n \u00e1p c\u00f2n l\u1ea1i v\u00e0 ch\u1ec9 b\u00e1o thay th\u1ebf. Kh\u00f4ng n\u00ean d\u1ef1a v\u00e0o ch\u1ec9 s\u1ed1 d\u00f2ng \u0111i\u1ec7n \u0111\u1ec3 suy ra c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y.<\/p>\n

\"Tham
C\u00c1C t\u00e0i li\u1ec7u tham kh\u1ea3o v\u1ec1 \u0111i\u1ec7n c\u1ee7a CHAC \u0111\u1ec3 l\u1eadp k\u1ebf ho\u1ea1ch d\u1ef1 \u00e1n.<\/figcaption><\/figure>\n

Ng\u01b0\u1eddi mua n\u00ean so s\u00e1nh c\u00e1c ti\u00eau ch\u00ed v\u00e0 ti\u00eau chu\u1ea9n n\u00e0o?<\/h2>\n\n\n\n\n\n\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/th>\nNh\u1eefng g\u00ec n\u00f3 m\u00f4 t\u1ea3<\/th>\nT\u1ea1i sao ng\u01b0\u1eddi mua l\u1ea1i quan t\u00e2m?<\/th>\n<\/tr>\n<\/thead>\n
Uc<\/td>\n\u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c t\u1ed1i \u0111a<\/td>\nNg\u0103n ng\u1eeba vi\u1ec7c cung c\u1ea5p \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng g\u00e2y qu\u00e1 t\u1ea3i cho thi\u1ebft b\u1ecb.<\/td>\n<\/tr>\n
Trong<\/td>\nD\u00f2ng x\u1ea3 danh \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh<\/td>\nGi\u00fap so s\u00e1nh kh\u1ea3 n\u0103ng x\u1eed l\u00fd s\u1ef1 c\u1ed1 th\u01b0\u1eddng xuy\u00ean.<\/td>\n<\/tr>\n
Imax<\/td>\nHi\u1ec7u su\u1ea5t x\u1ea3 t\u1ed1i \u0111a trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh<\/td>\n\u0110\u1ed3ng ngh\u0129a v\u1edbi m\u1ee9c xung \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 \u0111\u1ea3m b\u1ea3o chung chung.<\/td>\n<\/tr>\n
L\u00ean<\/td>\nM\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 \u0111i\u1ec7n \u00e1p<\/td>\nPh\u1ea3i t\u01b0\u01a1ng th\u00edch v\u1edbi thi\u1ebft b\u1ecb h\u1ea1 t\u1ea7ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c.<\/td>\n<\/tr>\n
Lo\u1ea1i ho\u1eb7c l\u1edbp<\/td>\nTh\u1ec3 lo\u1ea1i l\u1eafp \u0111\u1eb7t theo ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng<\/td>\nLi\u00ean k\u1ebft thi\u1ebft b\u1ecb v\u1edbi v\u1ecb tr\u00ed v\u00e0 nhi\u1ec7m v\u1ee5 th\u1eed nghi\u1ec7m d\u1ef1 \u0111\u1ecbnh.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

IEC 61643-11 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111i\u1ec7n \u00e1p th\u1ea5p v\u00e0 c\u00e1c b\u00e0i ki\u1ec3m tra c\u1ee7a ch\u00fang. IEC 61643-31 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng DC c\u1ee7a pin m\u1eb7t tr\u1eddi. UL 1449 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1ea3n ph\u1ea9m \u1edf B\u1eafc M\u1ef9. M\u1ed9t ti\u00eau chu\u1ea9n l\u00e0 b\u1eb1ng ch\u1ee9ng v\u1ec1 quy tr\u00ecnh th\u1eed nghi\u1ec7m v\u00e0 ph\u1ea1m vi ki\u1ec3m tra \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh; n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1eddi h\u1ee9a r\u1eb1ng m\u1ecdi h\u1ec7 th\u1ed1ng \u0111\u1ec1u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 t\u00e1c \u0111\u1ed9ng c\u1ee7a tia s\u00e9t.<\/p>\n

V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 s\u1ef1 ph\u1ed1i h\u1ee3p nh\u01b0 th\u1ebf n\u00e0o gi\u00fap hai thi\u1ebft b\u1ecb t\u00e1ch bi\u1ec7t nhau?<\/h2>\n

Trong ng\u00e0nh \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p v\u00e0 \u0111i\u1ec7n trung th\u1ebf, t\u1eeb \"arrester\" th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 ch\u1ec9 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c n\u1ed1i v\u00e0o \u0111\u01b0\u1eddng d\u00e2y ho\u1eb7c \u0111i\u1ec3m bi\u1ebfn \u00e1p \u0111\u1ec3 h\u1ea1n ch\u1ebf s\u00e9t v\u00e0 c\u00e1c xung \u0111i\u1ec7n. Trong ng\u00e0nh \u0111i\u1ec7n th\u01b0\u01a1ng m\u1ea1i, c\u00e1c nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 g\u1ecdi SPD tr\u00ean \u0111\u01b0\u1eddng ray DIN l\u00e0 thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t ho\u1eb7c b\u1ed9 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t. H\u00e3y so s\u00e1nh \u0111i\u1ec7n \u00e1p m\u1ea1ch, kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng ng\u1eafn, b\u1ea3o v\u1ec7 d\u1ef1 ph\u00f2ng, v\u1ecf b\u1ecdc v\u00e0 tr\u1ea1ng th\u00e1i thay th\u1ebf thay v\u00ec d\u1ecbch thu\u1eadt t\u1eeb n\u00e0y theo ngh\u0129a \u0111en.<\/p>\n

\u0110\u1ed1i v\u1edbi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p th\u1ea5p, CHAC\u2019s B\u1ed9 b\u1ea3o v\u1ec7 s\u1ee5t \u00e1p EXS T1\/T2 AC<\/strong><\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t cho \u1ee9ng d\u1ee5ng AC \u0111\u00e3 n\u00eau. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng DC, CQ T2 DC SPD<\/strong><\/a> C\u1ea7n ph\u1ea3i ki\u1ec3m tra s\u1ef1 t\u01b0\u01a1ng th\u00edch v\u1edbi \u0111i\u1ec7n tr\u1edf, \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a, y\u00eau c\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng PV ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n, c\u0169ng nh\u01b0 s\u01a1 \u0111\u1ed3 n\u1ed1i d\u00e2y. B\u1ed9 b\u1ea3o v\u1ec7 \u0111i\u1ec7n \u00e1p<\/a> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t t\u00ecnh tr\u1ea1ng b\u1ea5t th\u01b0\u1eddng kh\u00e1c v\u00e0 kh\u00f4ng n\u00ean \u0111\u01b0a ra nh\u01b0 m\u1ed9t SPD b\u00e1o \u0111\u1ed9ng \u0111i\u1ec7n gi\u1eadt m\u00e0 kh\u00f4ng c\u00f3 b\u1eb1ng ch\u1ee9ng.<\/p>\n

C\u00f3 nh\u1eefng thay \u0111\u1ed5i n\u00e0o gi\u1eefa c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 vi\u1ec7c b\u1ea3o tr\u00ec?<\/h2>\n\n\n\n\n\n\n\n\n
\u1ee8ng d\u1ee5ng<\/th>\nM\u00e0ng b\u1ea3o v\u1ec7 th\u00f4ng th\u01b0\u1eddng<\/th>\nKi\u1ec3m tra ch\u00ednh<\/th>\nQuy tr\u00ecnh b\u1ea3o tr\u00ec<\/th>\n<\/tr>\n<\/thead>\n
B\u1ea3ng ph\u00e2n ph\u1ed1i ch\u00ednh<\/td>\nLo\u1ea1i l\u1edbp 1 ho\u1eb7c lo\u1ea1i 2 theo quy \u0111\u1ecbnh<\/td>\nH\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t, d\u00e2y d\u1eabn ng\u1eafn, thi\u1ebft b\u1ecb d\u1ef1 ph\u00f2ng<\/td>\nKi\u1ec3m tra ch\u1ec9 b\u00e1o tr\u1ea1ng th\u00e1i sau c\u00e1c s\u1ef1 ki\u1ec7n.<\/td>\n<\/tr>\n
B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ee5<\/td>\nLo\u1ea1i l\u1edbp th\u1ee9 2 ho\u1eb7c th\u1ee9 3 \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p<\/td>\nThi\u1ebft b\u1ecb ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n v\u00e0 \u0111i\u1ec7n \u00e1p c\u00f2n l\u1ea1i<\/td>\nX\u00e1c nh\u1eadn momen xo\u1eafn c\u1ee7a b\u1ed9 d\u1eabn \u0111\u1ed9ng v\u00e0 ghi nh\u00e3n.<\/td>\n<\/tr>\n
B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/td>\nSPD ri\u00eang cho thi\u1ebft b\u1ecb<\/td>\n\u0110\u01b0\u1eddng t\u00edn hi\u1ec7u, \u0111i\u1ec7n tr\u1edf DC v\u00e0 m\u1ee9c xung<\/td>\nS\u1eeda ch\u1eefa c\u00e1c module \u0111\u00e3 h\u1ebft tu\u1ed5i th\u1ecd ngay l\u1eadp t\u1ee9c.<\/td>\n<\/tr>\n
Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed t\u00edch h\u1ee3p<\/td>\nProtector t\u1ea1i \u0111i\u1ec3m s\u1eed d\u1ee5ng<\/td>\n\u0110\u1ed9 b\u1ec1n k\u1eb9p v\u00e0 t\u1ea3i k\u1ebft n\u1ed1i<\/td>\nKh\u00f4ng n\u00ean n\u1ed1i c\u00e1c d\u1ea3i \u0111i\u1ec7n tr\u1edf l\u1ea1i v\u1edbi nhau.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng. Vi\u1ec7c k\u1ebft n\u1ed1i, \u0111\u1ecbnh tuy\u1ebfn c\u00e1p, c\u00e1ch \u0111i\u1ec7n, c\u00e1c thi\u1ebft b\u1ecb ng\u1eaft ngu\u1ed3n tr\u01b0\u1edbc v\u00e0 sau \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3. M\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng ng\u1eaft c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi t\u00ecnh tr\u1ea1ng qu\u00e1 \u00e1p t\u1ea1m th\u1eddi, qu\u00e1 t\u1ea3i, l\u1ed7i d\u00e2y \u0111i\u1ec7n ho\u1eb7c m\u1ed9t module \u0111\u00e3 c\u1ea1n ki\u1ec7t. M\u1ed9t s\u1ef1 c\u1ed1 qu\u00e1 d\u00f2ng c\u00f3 th\u1ec3 ti\u00eau t\u1ed1n c\u00e1c th\u00e0nh ph\u1ea7n b\u1ea3o v\u1ec7 m\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i d\u1ea5u \u1ea5n r\u00f5 r\u00e0ng v\u1ec1 h\u00ecnh \u1ea3nh.<\/p>\n

C\u00e1ch x\u00e1c \u0111\u1ecbnh m\u1ed9t thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch c\u00f3 tr\u00e1ch nhi\u1ec7m<\/h2>\n

Ghi l\u1ea1i \u0111i\u1ec7n \u00e1p cung c\u1ea5p, h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t, m\u00f4i tr\u01b0\u1eddng xung \u0111\u1ed9t d\u1ef1 ki\u1ebfn, v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t, thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, d\u00f2ng \u0111i\u1ec7n qu\u00e1 t\u1ea3i c\u00f3 s\u1eb5n v\u00e0 chi\u1ec1u d\u00e0i d\u00e2y d\u1eabn. Y\u00eau c\u1ea7u th\u00f4ng tin v\u1ec1 ti\u00eau chu\u1ea9n, l\u1edbp th\u1eed nghi\u1ec7m, Uc, In, Imax, Up, h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u1ea7u ch\u00ec d\u1ef1 ph\u00f2ng, x\u1ebfp h\u1ea1ng v\u1ecf b\u1ecdc v\u00e0 ch\u1ec9 d\u1eabn thay th\u1ebf. X\u00e1c nh\u1eadn r\u1eb1ng ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ed9 d\u00e0i d\u00e2y d\u1eabn v\u00e0 gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn theo quy \u0111\u1ecbnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

S\u1eed d\u1ee5ng c\u00e1c quy t\u1eafc l\u1eafp \u0111\u1eb7t NFPA 70 NEC v\u00e0 IEC 60364 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00f4ng qua, c\u0169ng nh\u01b0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng n\u1ebfu c\u00f3. C\u00e1c t\u00e0i nguy\u00ean \u0111o l\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb c\u1ee7a NIST gi\u1ea3i th\u00edch c\u00e1c kh\u00e1i ni\u1ec7m \u0111o l\u01b0\u1eddng t\u1ea1m th\u1eddi, nh\u01b0ng ch\u00fang kh\u00f4ng ch\u1ecdn s\u1ea3n ph\u1ea9m cho m\u1ed9t t\u00f2a nh\u00e0 c\u1ee5 th\u1ec3. H\u00e3y l\u01b0u gi\u1eef th\u00f4ng tin k\u1ef9 thu\u1eadt v\u00e0 h\u1ed3 s\u01a1 ki\u1ec3m tra c\u00f9ng v\u1edbi t\u00e0i li\u1ec7u v\u1ec1 b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n

C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

Khi n\u00e0o b\u1ea1n kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng b\u1ed9 b\u1ea3o v\u1ec7 s\u1ee5t \u00e1p?<\/h3>\n

Kh\u00f4ng s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb khi \u0111i\u1ec7n \u00e1p, c\u1ea5u tr\u00fac n\u1ed1i \u0111\u1ea5t, kh\u1ea3 n\u0103ng ch\u1ecbu xung \u0111i\u1ec7n ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n v\u1ecf b\u1ecdc kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng. M\u1ed9t b\u1ed9 b\u1ea3o v\u1ec7 t\u00edch h\u1ee3p kh\u00f4ng th\u1ec3 thay th\u1ebf cho SPD tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ed1i h\u1ee3p, v\u00e0 kh\u00f4ng c\u00f3 SPD n\u00e0o c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng n\u1ed1i kh\u00f4ng ch\u1eafc ch\u1eafn ho\u1eb7c h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n kh\u00f4ng an to\u00e0n. H\u00e3y h\u1ecfi m\u1ed9t nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 tr\u00ecnh \u0111\u1ed9 khi ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00f4ng th\u01b0\u1eddng ho\u1eb7c m\u1ee9c \u0111\u1ed9 l\u1ed7i kh\u00f4ng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn.<\/p>\n

B\u1ed9 ph\u1eadn ch\u1ed1ng qu\u00e1 d\u00f2ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h3>\n

N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n h\u01b0\u1edbng \u0111i\u1ec7n \u00e1p d\u01b0 v\u01b0\u1ee3t qu\u00e1 kh\u1ecfi thi\u1ebft b\u1ecb \u0111i\u1ec7n. Tr\u00ean th\u1ecb tr\u01b0\u1eddng \u0111i\u1ec7n \u00e1p th\u1ea5p, thu\u1eadt ng\u1eef n\u00e0y c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 ch\u1ec9 c\u00f9ng m\u1ed9t d\u00f2ng SPD \u0111\u01b0\u1ee3c b\u00e1n d\u01b0\u1edbi d\u1ea1ng b\u1ed9 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t. Kh\u00e1ch h\u00e0ng n\u00ean ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, lo\u1ea1i l\u1eafp \u0111\u1eb7t, c\u1ea5p \u0111i\u1ec7n \u00e1p v\u00e0 s\u01a1 \u0111\u1ed3 k\u1ebft n\u1ed1i thay v\u00ec d\u1ef1a v\u00e0o nh\u00e3n m\u00e1c.<\/p>\n

M\u1ed9t thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00f4ng?<\/h3>\n

M\u1ed9t SPD \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u c\u0103ng th\u1eb3ng t\u1ea1m th\u1eddi, nh\u01b0ng n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 kh\u1ecfi m\u1ecdi tr\u01b0\u1eddng h\u1ee3p s\u00e9t tr\u1ef1c ti\u1ebfp ho\u1eb7c g\u1ea7n \u0111\u00f3. Hi\u1ec7u su\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t, chi\u1ec1u d\u00e0i d\u00e2y d\u1eabn, s\u1ef1 ph\u1ed1i h\u1ee3p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a thi\u1ebft b\u1ecb. Ki\u1ec3m tra c\u00e1c ch\u1ec9 s\u1ed1 tr\u1ea1ng th\u00e1i sau c\u00e1c s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng.<\/p>\n

C\u00f3 g\u00ec t\u1ed1t h\u01a1n m\u1ed9t b\u1ed9 b\u1ea3o v\u1ec7 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng?<\/h3>\n

Kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb n\u00e0o \u201ct\u1ed1t h\u01a1n\u201d chung quy. M\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ed1i h\u1ee3p c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00e1c SPD c\u1ea5p d\u1ecbch v\u1ee5, c\u1ea5p ph\u00e2n ph\u1ed1i v\u00e0 c\u1ea5p \u0111i\u1ec3m s\u1eed d\u1ee5ng v\u1edbi vi\u1ec7c k\u1ebft n\u1ed1i v\u00e0 \u0111\u1ecbnh tuy\u1ebfn c\u00e1p \u0111\u00fang c\u00e1ch. Ch\u1ecdn theo \u0111i\u1ec7n \u00e1p, v\u1ecb tr\u00ed, l\u1edbp th\u1eed nghi\u1ec7m, \u0111i\u1ec7n \u00e1p c\u00f2n l\u1ea1i v\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/p>\n

B\u1ed9 ch\u1ed1ng gi\u1eadt so v\u1edbi b\u1ed9 b\u1ea3o v\u1ec7 gi\u1eadt l\u00e0 g\u00ec v\u00e0 n\u00f3 b\u1ea3o v\u1ec7 nh\u1eefng g\u00ec?<\/h3>\n

T\u1eeb n\u00e0y so s\u00e1nh hai nh\u00e3n hi\u1ec7u cho c\u00e1c thi\u1ebft b\u1ecb h\u1ea1n ch\u1ebf \u0111i\u1ec7n \u00e1p t\u1ea1m th\u1eddi, th\u01b0\u1eddng \u1edf c\u00e1c v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t kh\u00e1c nhau. Ch\u00fang b\u1ea3o v\u1ec7 l\u1edbp c\u00e1ch \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u1ecfi c\u00e1c xung \u0111i\u1ec7n c\u1ee5 th\u1ec3; ch\u00fang kh\u00f4ng cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng qu\u00e1 t\u1ea3i, ng\u1eafn m\u1ea1ch ho\u1eb7c d\u00f2ng \u0111i\u1ec7n c\u00f2n l\u1ea1i tr\u1eeb khi m\u1ed9t thi\u1ebft b\u1ecb kh\u00e1c c\u00f3 c\u00e1c ch\u1ee9c n\u0103ng \u0111\u00f3.<\/p>\n

Ph\u1ea3i l\u1eafp \u0111\u1eb7t b\u1ed9 ch\u1ed1ng s\u00e9t VS b\u1ed9 b\u1ea3o v\u1ec7 s\u00e9t \u1edf \u0111\u00e2u?<\/h3>\n

C\u00e0i \u0111\u1eb7t thi\u1ebft b\u1ecb t\u1ea1i v\u1ecb tr\u00ed \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, v\u1edbi c\u00e1c d\u00e2y d\u1eabn ng\u1eafn v\u00e0 \u0111\u01b0\u1eddng d\u00e2y n\u1ed1i \u0111\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn. C\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ch\u00ednh, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ee5, thi\u1ebft b\u1ecb DC v\u00e0 c\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng t\u1ea1i c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c nhau. H\u00e3y tu\u00e2n th\u1ee7 s\u01a1 \u0111\u1ed3 d\u00e2y \u0111i\u1ec7n v\u00e0 c\u00e1c quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n

C\u00e1c ngu\u1ed3n ch\u00ednh th\u1ee9c n\u00e0o n\u00ean \u0111\u01b0\u1ee3c ng\u01b0\u1eddi mua x\u00e1c minh?<\/h2>\n
    \n
  1. IEC 61643-11<\/a><\/li>\n
  2. NFPA 70 NEC<\/a><\/li>\n
  3. Ngu\u1ed3n l\u1ef1c \u0111i\u1ec7n t\u1eeb c\u1ee7a NIST<\/a><\/li>\n<\/ol>\n

    S\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i l\u00e0 t\u00ean th\u01b0\u01a1ng hi\u1ec7u; m\u00e0 l\u00e0 \u0111i\u1ec3m s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng, v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u01b0\u1eddng d\u1eabn hi\u1ec7n t\u1ea1i. Xem l\u1ea1i CHAC Electric C\u00e1c t\u00f9y ch\u1ecdn b\u1ea3o v\u1ec7 ch\u1ed1ng gi\u1eadt AC v\u00e0 DC<\/a> N\u1ebfu b\u1ea1n mu\u1ed1n nghi\u00ean c\u1ee9u v\u1ec1 h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c b\u1ea3ng d\u1eef li\u1ec7u v\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u1ea5u d\u00e2y ph\u00f9 h\u1ee3p.<\/p>","protected":false},"excerpt":{"rendered":"

    Tr\u01b0\u1edbc khi ch\u1ecdn thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7, h\u00e3y so s\u00e1nh thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t v\u1edbi b\u1ed9 b\u1ea3o v\u1ec7 s\u00e9t d\u1ef1a tr\u00ean v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t, c\u1ea5u t\u1ea1o, c\u1ea5p \u0111i\u1ec7n \u00e1p, h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n, ti\u00eau chu\u1ea9n v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>","protected":false},"author":1,"featured_media":4522,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[236,237,238,239],"class_list":["post-4525","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-surge-arrester-vs-surge-protector","tag-spd","tag-lightning-protection","tag-iec-61643-11"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"_links":{"self":[{"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/posts\/4525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/comments?post=4525"}],"version-history":[{"count":1,"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/posts\/4525\/revisions"}],"predecessor-version":[{"id":4531,"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/posts\/4525\/revisions\/4531"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/media\/4522"}],"wp:attachment":[{"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/media?parent=4525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/categories?post=4525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chac-electric.com\/vi\/wp-json\/wp\/v2\/tags?post=4525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}