{"id":686,"date":"2026-04-20T13:53:00","date_gmt":"2026-04-20T13:53:00","guid":{"rendered":"https:\/\/kimthusetlpi.com\/?p=686"},"modified":"2026-04-20T13:55:34","modified_gmt":"2026-04-20T13:55:34","slug":"thiet-bi-cat-loc-set-giai-phap-bao-ve-toan-dien","status":"publish","type":"post","link":"https:\/\/kimthusetlpi.com\/en\/thiet-bi-cat-loc-set-giai-phap-bao-ve-toan-dien\/","title":{"rendered":"Thi\u1ebft b\u1ecb c\u1eaft l\u1ecdc s\u00e9t \u2013 Gi\u1ea3i ph\u00e1p b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n ch\u1ed1ng s\u00e9t lan truy\u1ec1n cho m\u1ecdi c\u00f4ng tr\u00ecnh"},"content":{"rendered":"

Trong b\u1ed1i c\u1ea3nh th\u1eddi ti\u1ebft c\u1ef1c \u0111oan ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam, thi\u1ebft b\u1ecb c\u1eaft l\u1ecdc s\u00e9t<\/strong><\/a> tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u1ecfi nguy c\u01a1 h\u01b0 h\u1ecfng do s\u00e9t \u0111\u00e1nh v\u00e0 xung \u0111i\u1ec7n \u00e1p \u0111\u1ed9t bi\u1ebfn. C\u00f2n g\u1ecdi l\u00e0 t\u1ee7 c\u1eaft l\u1ecdc s\u00e9t ho\u1eb7c thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n (SPD \u2013 Surge Protection Device), \u0111\u00e2y l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng gi\u00fap c\u1eaft gi\u1ea3m v\u00e0 l\u1ecdc b\u1ecf c\u00e1c xung s\u00e9t nguy hi\u1ec3m, \u0111\u1ea3m b\u1ea3o an to\u00e0n cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/p>\n

https:\/\/kimthusetlpi.com\/wp-content\/uploads\/2026\/04\/TU-CAT-LOC-SET.mp4<\/a><\/video><\/div>\n

Thi\u1ebft b\u1ecb c\u1eaft l\u1ecdc s\u00e9t l\u00e0 g\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n

Thi\u1ebft b\u1ecb c\u1eaft l\u1ecdc s\u00e9t<\/strong> k\u1ebft h\u1ee3p hai ch\u1ee9c n\u0103ng ch\u00ednh: c\u1eaft s\u00e9t<\/strong> (chuy\u1ec3n h\u01b0\u1edbng d\u00f2ng s\u00e9t l\u1edbn xu\u1ed1ng \u0111\u1ea5t) v\u00e0 l\u1ecdc s\u00e9t<\/strong> (suy gi\u1ea3m nhi\u1ec5u \u0111i\u1ec7n \u00e1p, xung d\u01b0 th\u1eeba th\u00f4ng qua b\u1ed9 l\u1ecdc LC th\u00f4ng th\u1ea5p). Khi s\u00e9t \u0111\u00e1nh tr\u1ef1c ti\u1ebfp ho\u1eb7c lan truy\u1ec1n qua \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, thi\u1ebft b\u1ecb s\u1ebd nhanh ch\u00f3ng d\u1eabn d\u00f2ng s\u00e9t an to\u00e0n xu\u1ed1ng h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba, \u0111\u1ed3ng th\u1eddi l\u1ecdc b\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n nhi\u1ec5u t\u1ea7n s\u1ed1 cao g\u00e2y h\u1ea1i cho thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m.<\/p>\n

Thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf IEC 61643 v\u00e0 IEC 62305, ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam theo TCVN 9385:2012<\/strong> v\u00e0 TCVN 9888:2013<\/strong>. C\u00e1c lo\u1ea1i ch\u00ednh bao g\u1ed3m:<\/p>\n