{"id":383,"date":"2024-08-05T15:16:55","date_gmt":"2024-08-05T13:16:55","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=383"},"modified":"2025-09-27T17:50:24","modified_gmt":"2025-09-27T15:50:24","slug":"clause-3-how-to-understand-the-definition-of-double-insulation","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/vi\/clause-3-how-to-understand-the-definition-of-double-insulation\/","title":{"rendered":"Kho\u1ea3n 3 \u2013 C\u00e1ch hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u201cc\u00e1ch \u0111i\u1ec7n k\u00e9p\u201d"},"content":{"rendered":"c\u00e1ch \u0111i\u1ec7n k\u00e9p: h\u1ec7 th\u1ed1ng c\u00e1ch \u0111i\u1ec7n bao g\u1ed3m c\u1ea3 c\u00e1ch \u0111i\u1ec7n ch\u00ednh v\u00e0 c\u00e1ch \u0111i\u1ec7n ph\u1ee5<br>\n<br>\n\u0110\u1ecbnh ngh\u0129a n\u00e0y ch\u1ec9 nh\u1eb1m \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c m\u00f4 t\u1ea3 c\u00e1ch \u0111i\u1ec7n ch\u00ednh v\u00e0 c\u00e1ch \u0111i\u1ec7n ph\u1ee5 trong ti\u00eau chu\u1ea9n, s\u1eed d\u1ee5ng m\u1ed9t t\u00ean \u0111\u1ec3 m\u00f4 t\u1ea3 hai t\u00ean.<br>\n<br>\nNh\u01b0 minh h\u1ecda trong h\u00ecnh b\u00ean d\u01b0\u1edbi, d\u00e2y ngu\u1ed3n c\u00f3 hai l\u1edbp c\u00e1ch \u0111i\u1ec7n, v\u1ecf d\u00e2y b\u00ean trong v\u00e0 v\u1ecf d\u00e2y m\u00e0u \u0111en b\u00ean ngo\u00e0i, \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 l\u1edbp c\u00e1ch \u0111i\u1ec7n k\u00e9p.<br>\n<br>\nNh\u01b0 th\u1ec3 hi\u1ec7n trong hai h\u00ecnh \u1ea3nh sau (qu\u1ea1t), v\u1ecf d\u00e2y d\u1eabn b\u00ean trong trong h\u00ecnh b\u00ean tr\u00e1i l\u00e0 l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u01a1 b\u1ea3n v\u00e0 t\u1ea5m d\u01b0\u1edbi c\u00f9ng c\u1ee7a v\u1ecf ngo\u00e0i l\u00e0 l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1ed5 sung.<br>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation-internal-view.jpg\" alt=\"\" class=\"wp-image-319\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation-internal-view.jpg 640w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation-internal-view-300x225.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><br>\n<\/figure><\/div><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation.jpg\" alt=\"\" class=\"wp-image-320\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation.jpg 640w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation-300x225.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><br>\n<\/figure><\/div><\/div><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"853\" height=\"480\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/double-insulation.gif\" alt=\"\" class=\"wp-image-389\"\/><br>\n<\/figure><br>\nH\u00ecnh \u1ea3nh b\u1ea3ng m\u1ea1ch sau \u0111\u00e2y c\u00f3 hi\u1ec7u \u1ee9ng ho\u1ea1t h\u00ecnh. Ph\u00eda b\u00ean ph\u1ea3i c\u1ee7a \u0111\u01b0\u1eddng ch\u1ea5m l\u00e0 ph\u1ea7n kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c v\u1edbi \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c 220-240V v\u00e0 ph\u00eda b\u00ean tr\u00e1i c\u1ee7a \u0111\u01b0\u1eddng ch\u1ea5m l\u00e0 ph\u1ea7n ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c v\u1edbi \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c t\u1ed1i \u0111a 24V (gi\u1ea3 s\u1eed c\u00f4ng tr\u00ecnh t\u1ea1i v\u1ecb tr\u00ed ch\u1ea5m \u0111\u01b0\u1eddng d\u00e2y \u0111\u00e3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 c\u00e1ch \u0111i\u1ec7n k\u00e9p ho\u1eb7c c\u00e1ch \u0111i\u1ec7n t\u0103ng c\u01b0\u1eddng). \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1ch ly hi\u1ec7u qu\u1ea3, n\u00f3i chung, c\u00e1c d\u00e2y \u1edf ph\u00eda b\u00ean ph\u1ea3i c\u1ee7a \u0111\u01b0\u1eddng ch\u1ea5m ch\u1ea5m (d\u00e2y b\u00ean trong m\u00e0u \u0111\u1ecf v\u00e0 xanh lam) kh\u00f4ng th\u1ec3 ch\u1ea1m v\u00e0o c\u00e1c d\u00e2y b\u00ean trong t\u01b0\u01a1ng \u0111\u1ed1i m\u1ecfng \u1edf b\u00ean tr\u00e1i. V\u1ecf b\u1ecdc c\u1ee7a d\u00e2y b\u00ean ph\u1ea3i l\u00e0 l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u01a1 b\u1ea3n, v\u00ec v\u1ecf b\u1ecdc d\u00e2y ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n v\u00e0 l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 \u0111\u1ea7u ti\u00ean cho c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n. V\u1ecf b\u1ecdc d\u00e2y c\u1ee7a d\u00e2y b\u00ean tr\u00e1i ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 c\u00e1ch \u0111i\u1ec7n ph\u1ee5, c\u00f2n vi\u1ec7c n\u00f3 c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 c\u00e1ch \u0111i\u1ec7n ph\u1ee5 \u1edf m\u1ee5c 29.3 hay kh\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch khi \u0111\u01b0a ra m\u1ee5c 29.3.<br>\u1ede \u0111\u00e2y c\u1ea7n l\u01b0u \u00fd r\u1eb1ng v\u1ecf d\u00e2y c\u1ee7a d\u00e2y b\u00ean tr\u00e1i kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 c\u00e1ch \u0111i\u1ec7n c\u01a1 b\u1ea3n v\u00e0 v\u1ecf d\u00e2y c\u1ee7a d\u00e2y b\u00ean ph\u1ea3i kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 c\u00e1ch \u0111i\u1ec7n ph\u1ee5.<br>\n<figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"853\" height=\"480\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/double-insulation-in-switch-power-supply.gif\" alt=\"\" class=\"wp-image-417\"\/><br>\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>c\u00e1ch \u0111i\u1ec7n k\u00e9p: h\u1ec7 th\u1ed1ng c\u00e1ch \u0111i\u1ec7n bao g\u1ed3m c\u1ea3 c\u00e1ch \u0111i\u1ec7n ch\u00ednh v\u00e0 c\u00e1ch \u0111i\u1ec7n ph\u1ee5 \u0110\u1ecbnh ngh\u0129a n\u00e0y ch\u1ec9 nh\u1eb1m \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c m\u00f4 t\u1ea3 c\u00e1ch \u0111i\u1ec7n ch\u00ednh v\u00e0 c\u00e1ch \u0111i\u1ec7n ph\u1ee5 trong ti\u00eau chu\u1ea9n, s\u1eed d\u1ee5ng m\u1ed9t t\u00ean \u0111\u1ec3 m\u00f4 t\u1ea3 hai t\u00ean. Nh\u01b0 minh h\u1ecda trong h\u00ecnh b\u00ean d\u01b0\u1edbi, d\u00e2y&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[5],"tags":[74,76,75],"class_list":["post-383","post","type-post","status-publish","format-standard","hentry","category-terms-and-definitions","tag-insulation-applied-to-live-parts-to-provide-basic-protection-against-electric-shock","tag-insulation-system-comprising-both-basic-insulation-and-supplementary-insulation","tag-independent-insulation-applied-in-addition-to-basic-insulation-in-order-to-provide-protection-against-electric-shock-in-the-event-of-a-failure-of-basic-insulation"],"translation":{"provider":"WPGlobus","version":"3.0.1","language":"vi","enabled_languages":["en","es","ar","de","ja","fr","ru","th","nl","it","fa","ko","pt","hi","ro","tr","vi","id","zu"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"nl":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"fa":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"ro":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"zu":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/posts\/383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=383"}],"version-history":[{"count":52,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/posts\/383\/revisions"}],"predecessor-version":[{"id":1927,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/posts\/383\/revisions\/1927"}],"wp:attachment":[{"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/categories?post=383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/tags?post=383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}