{"id":218,"date":"2024-07-15T16:58:05","date_gmt":"2024-07-15T14:58:05","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=218"},"modified":"2025-09-27T17:50:25","modified_gmt":"2025-09-27T15:50:25","slug":"clause-3-how-to-understand-the-definition-of-rated-impulse-voltage","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/vi\/clause-3-how-to-understand-the-definition-of-rated-impulse-voltage\/","title":{"rendered":"Kho\u1ea3n 3 \u2013 C\u00e1ch hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u201c\u0111i\u1ec7n \u00e1p xung danh \u0111\u1ecbnh\u201d"},"content":{"rendered":"\u0111i\u1ec7n \u00e1p xung \u0111\u1ecbnh m\u1ee9c<\/strong>: \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh v\u00e0 lo\u1ea1i qu\u00e1 \u0111i\u1ec7n \u00e1p c\u1ee7a thi\u1ebft b\u1ecb, \u0111\u1eb7c tr\u01b0ng cho kh\u1ea3 n\u0103ng ch\u1ecbu quy \u0111\u1ecbnh c\u1ee7a c\u00e1ch \u0111i\u1ec7n ch\u1ed1ng l\u1ea1i qu\u00e1 \u0111i\u1ec7n \u00e1p qu\u00e1 \u0111\u1ed9.
\n
\n\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, kh\u00f4ng th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i hi\u1ec3u \u00fd ngh\u0129a v\u1eadt l\u00fd c\u1ee7a \u0111\u1ecbnh ngh\u0129a n\u00e0y. C\u00f4ng d\u1ee5ng ch\u00ednh c\u1ee7a gi\u00e1 tr\u1ecb \u0111i\u1ec7n \u00e1p n\u00e0y trong ti\u00eau chu\u1ea9n l\u00e0 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb gi\u1edbi h\u1ea1n c\u1ee7a khe h\u1edf; Tham kh\u1ea3o B\u1ea3ng 15, gi\u00e1 tr\u1ecb \u0111i\u1ec7n \u00e1p xung danh \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp.
C\u00e2u tr\u00ean c\u00f9ng c\u1ee7a B\u1ea3ng 15 ch\u1ec9 ra r\u1eb1ng “C\u00e1c thi\u1ebft b\u1ecb thu\u1ed9c lo\u1ea1i qu\u00e1 \u0111i\u1ec7n \u00e1p II.”. N\u1ebfu \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c c\u1ee7a s\u1ea3n ph\u1ea9m l\u00e0 AC220-240V, t\u01b0\u01a1ng \u1ee9ng v\u1edbi h\u00e0ng gi\u00e1 tr\u1ecb cu\u1ed1i c\u00f9ng \u1edf c\u1ed9t \u0111\u1ea7u ti\u00ean c\u1ee7a B\u1ea3ng 15 th\u00ec \u0111i\u1ec7n \u00e1p xung \u0111\u1ecbnh m\u1ee9c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 2500V.
\n
\nT\u00f4i ph\u1ea3i n\u00f3i r\u1eb1ng lo\u1ea1i qu\u00e1 \u0111i\u1ec7n \u00e1p (OVC) \u0111\u1ebfn t\u1eeb ti\u00eau chu\u1ea9n IEC 60664-1. b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cho ch\u00fang t\u00f4i m\u1ed9t \u0111\u1ecbnh ngh\u0129a.
\n

\n\"\"
\n<\/figure>
\nM\u1eb7t kh\u00e1c, c\u00f3 m\u1ed9t b\u1ea3n v\u1ebd gi\u1ea3i th\u00edch lo\u1ea1i qu\u00e1 \u0111i\u1ec7n \u00e1p (OVC).
\n

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

\n\"\"
\n<\/figure>","protected":false},"excerpt":{"rendered":"

\u0111i\u1ec7n \u00e1p xung \u0111\u1ecbnh m\u1ee9c: \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh v\u00e0 lo\u1ea1i qu\u00e1 \u0111i\u1ec7n \u00e1p c\u1ee7a thi\u1ebft b\u1ecb, \u0111\u1eb7c tr\u01b0ng cho kh\u1ea3 n\u0103ng ch\u1ecbu quy \u0111\u1ecbnh c\u1ee7a c\u00e1ch \u0111i\u1ec7n ch\u1ed1ng l\u1ea1i qu\u00e1 \u0111i\u1ec7n \u00e1p qu\u00e1 \u0111\u1ed9. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, kh\u00f4ng th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i hi\u1ec3u \u00fd ngh\u0129a…<\/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":[87,65],"class_list":["post-218","post","type-post","status-publish","format-standard","hentry","category-terms-and-definitions","tag-shortest-distance-in-air-between-two-conductive-parts-or-between-a-conductive-part-and-the-accessible-surface","tag-voltage-derived-from-the-rated-voltage-and-the-overvoltage-category-of-the-appliance-characterizing-the-specified-withstand-capability-of-its-insulation-against-transient-overvoltages"],"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\/218","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=218"}],"version-history":[{"count":31,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/posts\/218\/revisions"}],"predecessor-version":[{"id":1866,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/posts\/218\/revisions\/1866"}],"wp:attachment":[{"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/categories?post=218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gezhi-tech.com\/vi\/wp-json\/wp\/v2\/tags?post=218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}