{"id":9065,"date":"2024-05-29T12:15:59","date_gmt":"2024-05-29T12:15:59","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=9065"},"modified":"2024-05-29T12:15:59","modified_gmt":"2024-05-29T12:15:59","slug":"understanding-arc-faults-and-afci-protection","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/electrical-engineering\/understanding-arc-faults-and-afci-protection\/","title":{"rendered":"S\u1ef1 c\u1ed1 h\u1ed3 quang v\u00e0 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 AFCI"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Hi\u1ec3u v\u1ec1 s\u1ef1 c\u1ed1 h\u1ed3 quang v\u00e0 b\u1ea3o v\u1ec7 AFCI<\/h2>\n\n<h2 class=\"wp-block-heading\">S\u1ef1 c\u1ed1 h\u1ed3 quang l\u00e0 g\u00ec?<\/h2>\n\n<p>S\u1ef1 c\u1ed1 h\u1ed3 quang x\u1ea3y ra khi h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n b\u1ecb l\u1ecfng ho\u1eb7c h\u01b0 h\u1ecfng t\u1ea1o ra tia l\u1eeda ho\u1eb7c h\u1ed3 quang gi\u1eefa c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac b\u1eb1ng kim lo\u1ea1i. S\u1ef1 h\u1ed3 quang n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec7t \u0111\u1ed9 cao, g\u00e2y ch\u00e1y c\u00e1c v\u1eadt li\u1ec7u g\u1ea7n \u0111\u00f3 nh\u01b0 khung g\u1ed7 ho\u1eb7c l\u1edbp c\u00e1ch nhi\u1ec7t, c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ra h\u1ecfa ho\u1ea1n do h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00e1ch ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 h\u1ed3 quang<\/h2>\n\n<p>C\u00e1c thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch s\u1ef1 c\u1ed1 h\u1ed3 quang (AFCI) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 h\u1ed3 quang v\u00e0 ng\u1eaft m\u1ea1ch \u0111\u1ec3 ng\u0103n ng\u1eeba ch\u00e1y \u0111i\u1ec7n. AFCI ph\u00e2n t\u00edch c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a d\u00f2ng \u0111i\u1ec7n v\u00e0 c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u1ed3 quang b\u00ecnh th\u01b0\u1eddng v\u00e0 nguy hi\u1ec3m.<\/p>\n\n<h2 class=\"wp-block-heading\">S\u1ef1 c\u1ed1 h\u1ed3 quang so v\u1edbi s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch so v\u1edbi s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1ef1 c\u1ed1 h\u1ed3 quang:<\/strong> Tia l\u1eeda ho\u1eb7c h\u1ed3 quang do c\u00e1c k\u1ebft n\u1ed1i \u0111i\u1ec7n b\u1ecb l\u1ecfng ho\u1eb7c h\u01b0 h\u1ecfng, c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 g\u00e2y nguy c\u01a1 ch\u00e1y \u0111i\u1ec7n.<\/li>\n<li><strong>S\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch:<\/strong> D\u00f2ng \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n \u00e1p \u0111i ra ngo\u00e0i h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n \u0111\u00e3 thi\u1ebft l\u1eadp v\u00e0 ti\u1ebfp x\u00fac v\u1edbi \u0111\u01b0\u1eddng d\u1eabn trung t\u00ednh ho\u1eb7c n\u1ed1i \u0111\u1ea5t, g\u00e2y ra s\u1ef1 gia t\u0103ng \u0111\u1ed9t ng\u1ed9t d\u00f2ng \u0111i\u1ec7n ch\u1ea3y qua v\u00e0 l\u00e0m ng\u1eaft c\u1ea7u dao.<\/li>\n<li><strong>S\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t:<\/strong> D\u00f2ng \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n \u00e1p v\u00f4 t\u00ecnh ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ea5t, g\u00e2y m\u1ea5t \u0111i\u1ec7n tr\u1edf v\u00e0 d\u00f2ng \u0111i\u1ec7n ch\u1ea3y kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf c\u00f3 th\u1ec3 l\u00e0m ng\u1eaft c\u1ea7u dao ho\u1eb7c n\u1ebfu c\u1ea7u dao kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ee7 nhanh, c\u00f3 th\u1ec3 g\u00e2y ra \u0111i\u1ec7n gi\u1eadt. C\u00e1c thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch r\u00f2 \u0111\u1ea5t (GFCI) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t v\u00e0 \u0111i\u1ec7n gi\u1eadt.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">L\u1ecbch s\u1eed c\u1ee7a B\u1ed9 lu\u1eadt v\u1ec1 b\u1ea3o v\u1ec7 s\u1ef1 c\u1ed1 h\u1ed3 quang<\/h2>\n\n<p>B\u1ed9 lu\u1eadt \u0111i\u1ec7n qu\u1ed1c gia (NEC) \u0111\u00e3 d\u1ea7n t\u0103ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 b\u1ea3o v\u1ec7 s\u1ef1 c\u1ed1 h\u1ed3 quang. T\u1eeb n\u0103m 2014, h\u1ea7u h\u1ebft t\u1ea5t c\u1ea3 c\u00e1c m\u1ea1ch cung c\u1ea5p cho c\u00e1c \u1ed5 c\u1eafm th\u00f4ng th\u01b0\u1eddng trong kh\u00f4ng gian sinh ho\u1ea1t \u0111\u1ec1u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 AFCI trong c\u00e1c d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng ho\u1eb7c c\u1ea3i t\u1ea1o m\u1edbi.<\/p>\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao b\u1ea1n c\u1ea7n c\u00e1c thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch s\u1ef1 c\u1ed1 h\u1ed3 quang (AFCI)<\/h2>\n\n<p>AFCI r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n ph\u00f2ng ch\u00e1y v\u00e0 c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m nguy c\u01a1 ch\u00e1y \u0111i\u1ec7n trong nh\u00e0. Ch\u00fang c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ngay c\u1ea3 nh\u1eefng d\u00f2ng \u0111i\u1ec7n h\u1ed3 quang nguy hi\u1ec3m \u1edf m\u1ee9c \u0111\u1ed9 th\u1ea5p v\u00e0 ng\u1eaft m\u1ea1ch tr\u01b0\u1edbc khi ch\u00e1y \u0111i\u1ec7n c\u00f3 th\u1ec3 b\u00f9ng ph\u00e1t.<\/p>\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch AFCI ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n<p>AFCI s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u0111i\u1ec7n t\u1eed ti\u00ean ti\u1ebfn \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u1ed3 quang b\u00ecnh th\u01b0\u1eddng v\u00e0 nguy hi\u1ec3m. Ch\u00fang theo d\u00f5i d\u00f2ng \u0111i\u1ec7n v\u00e0 kh\u1eed t\u1eeb m\u1ea1ch n\u1ebfu ph\u00e1t hi\u1ec7n c\u00e1c ki\u1ec3u h\u1ed3 quang kh\u00f4ng mong mu\u1ed1n.<\/p>\n\n<h2 class=\"wp-block-heading\">GFCI so v\u1edbi AFCI<\/h2>\n\n<p>GFCI b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch xu\u1ed1ng \u0111\u1ea5t, trong khi AFCI b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n s\u1ef1 h\u1ed3 quang. C\u1ea3 hai lo\u1ea1i bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 n\u00e0y \u0111\u1ec1u quan tr\u1ecdng v\u00e0 trong h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n m\u1edbi ho\u1eb7c \u0111\u00e3 c\u1ea3i t\u1ea1o, nhi\u1ec1u v\u1ecb tr\u00ed c\u00f3 th\u1ec3 y\u00eau c\u1ea7u s\u1eed d\u1ee5ng c\u1ea3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 GFCI v\u00e0 AFCI. C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea7u dao AFCI k\u1ebft h\u1ee3p v\u1edbi \u1ed5 c\u1eafm GFCI ho\u1eb7c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea7u dao k\u1ebft h\u1ee3p AFCI\/GFCI.<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n<h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa GFCI v\u00e0 AFCI l\u00e0 g\u00ec?<\/h2>\n\n<p>GFCI b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt, trong khi AFCI b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y \u0111i\u1ec7n.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u1ea1n kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 h\u1ed3 quang nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n<p>H\u00e3y th\u1eed r\u00fat ph\u00edch c\u1eafm t\u1ea5t c\u1ea3 m\u1ecdi th\u1ee9 trong m\u1ea1ch v\u00e0 c\u1eafm l\u1ea1i t\u1eebng thi\u1ebft b\u1ecb m\u1ed9t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1ee7 ph\u1ea1m. Ki\u1ec3m tra c\u00e1c d\u00e2y b\u1ecb \u0111\u1ee9t ho\u1eb7c d\u00e2y b\u1ecb h\u1ecfng v\u00e0 c\u00e2n nh\u1eafc g\u1ecdi th\u1ee3 \u0111i\u1ec7n c\u00f3 b\u1eb1ng h\u00e0nh ngh\u1ec1 n\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1.<\/p>\n\n<h2 class=\"wp-block-heading\">Nguy\u00ean nh\u00e2n n\u00e0o g\u00e2y ra s\u1ef1 c\u1ed1 h\u1ed3 quang xu\u1ed1ng \u0111\u1ea5t?<\/h2>\n\n<p>S\u1ef1 c\u1ed1 h\u1ed3 quang xu\u1ed1ng \u0111\u1ea5t x\u1ea3y ra khi d\u00f2ng \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n \u00e1p v\u00f4 t\u00ecnh ti\u1ebfp x\u00fac v\u1edbi \u0111\u01b0\u1eddng ti\u1ebfp \u0111\u1ea5t.<\/p>\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec1u g\u00ec c\u00f3 th\u1ec3 khi\u1ebfn c\u1ea7u dao s\u1ef1 c\u1ed1 h\u1ed3 quang ng\u1eaft?<\/h2>\n\n<p>C\u00e1c k\u1ebft n\u1ed1i k\u00e9m, qu\u00e1 t\u1ea3i m\u1ea1ch, \u1ea9m \u01b0\u1edbt v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ho\u1eb7c \u0111\u1ed3 d\u00f9ng kh\u00f4ng t\u01b0\u01a1ng th\u00edch \u0111\u1ec1u c\u00f3 th\u1ec3 khi\u1ebfn c\u1ea7u dao s\u1ef1 c\u1ed1 h\u1ed3 quang ng\u1eaft.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u v\u1ec1 s\u1ef1 c\u1ed1 h\u1ed3 quang v\u00e0 b\u1ea3o v\u1ec7 AFCI S\u1ef1 c\u1ed1 h\u1ed3 quang l\u00e0 g\u00ec? S\u1ef1 c\u1ed1 h\u1ed3 quang x\u1ea3y ra khi h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n ho\u1eb7c thi\u1ebft b\u1ecb&hellip;<\/p>\n","protected":false},"author":1,"featured_media":23523,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10160],"tags":[8840,8843,13377,13378,13379],"class_list":["post-9065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-engineering","tag-electrical-safety","tag-home-safety","tag-arc-faults","tag-afci-protection","tag-electrical-fires"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/9065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=9065"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/9065\/revisions"}],"predecessor-version":[{"id":9066,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/9065\/revisions\/9066"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/23523"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=9065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=9065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=9065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}