{"id":1586,"date":"2024-12-28T14:26:53","date_gmt":"2024-12-28T06:26:53","guid":{"rendered":"https:\/\/led.amasly.com\/?p=1586"},"modified":"2024-12-28T14:52:21","modified_gmt":"2024-12-28T06:52:21","slug":"requirements-for-the-electrical-strength-of-n-type-electrical-equipment-for-explosion-proof-purposes","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/cs\/explosion-proof-equipment\/requirements-for-the-electrical-strength-of-n-type-electrical-equipment-for-explosion-proof-purposes\/","title":{"rendered":"Po\u017eadavky na elektrickou pevnost elektrick\u00fdch za\u0159\u00edzen\u00ed typu \u201cn\u201d pro \u00fa\u010dely ochrany proti v\u00fdbuchu"},"content":{"rendered":"<p class=\"has-medium-font-size\">Izola\u010dn\u00ed dielektrick\u00e1 pevnost elektrick\u00e9ho za\u0159\u00edzen\u00ed typu \u201cn\u201d v\u016f\u010di zemi nebo r\u00e1mu mus\u00ed spl\u0148ovat n\u00e1sleduj\u00edc\u00ed ustanoven\u00ed, s v\u00fdjimkou p\u0159\u00edpad\u016f, kdy jsou obvody instalovan\u00e9 v elektrick\u00e9m za\u0159\u00edzen\u00ed p\u0159\u00edmo p\u0159ipojeny k r\u00e1mu za\u0159\u00edzen\u00ed nebo jsou k r\u00e1mu p\u0159ipojeny b\u011bhem provozu za\u0159\u00edzen\u00ed: <\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-1ccd5384 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><a class=\"\" href=\"https:\/\/led.amasly.com\/cs\/\" target=\"\" rel=\"noopener\"><img decoding=\"async\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653.png ,https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653.png 780w, https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653.png\" alt=\"\" class=\"uag-image-1587\" width=\"1025\" height=\"653\" title=\"lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653\" loading=\"lazy\" role=\"img\"><\/a><\/figure><\/div>\n\n\n\n<p class=\"has-medium-font-size\">a. Zkou\u0161ky specifikovan\u00e9 v p\u0159\u00edslu\u0161n\u00fdch pr\u016fmyslov\u00fdch norm\u00e1ch pro r\u016fzn\u00e9 sou\u010d\u00e1sti elektrick\u00e9ho za\u0159\u00edzen\u00ed, nebo <\/p>\n\n\n\n<p class=\"has-medium-font-size\">b. Pokud v\u00fd\u0161e uveden\u00e9 po\u017eadavky na zkou\u0161ku neexistuj\u00ed, mus\u00ed b\u00fdt alespo\u0148 zku\u0161ebn\u00ed nap\u011bt\u00ed v souladu s n\u00e1sleduj\u00edc\u00edmi po\u017eadavky 1) nebo 2) a nesm\u00ed se p\u0159eru\u0161it po dobu nejm\u00e9n\u011b 1 minuty. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">1) U elektrick\u00fdch za\u0159\u00edzen\u00ed se \u0161pi\u010dkov\u00fdm nap\u00e1jec\u00edm nap\u011bt\u00edm nep\u0159esahuj\u00edc\u00edm 90 V nebo vnit\u0159n\u00edm \u0161pi\u010dkov\u00fdm nap\u011bt\u00edm nep\u0159esahuj\u00edc\u00edm 90 V je efektivn\u00ed hodnota zku\u0161ebn\u00edho nap\u011bt\u00ed 500 V; <\/p>\n\n\n\n<p class=\"has-medium-font-size\">2) U ostatn\u00edch elektrick\u00fdch za\u0159\u00edzen\u00ed nebo za\u0159\u00edzen\u00ed s vnit\u0159n\u00edm \u0161pi\u010dkov\u00fdm nap\u011bt\u00edm vy\u0161\u0161\u00edm ne\u017e 90 V je efektivn\u00ed hodnota zku\u0161ebn\u00edho nap\u011bt\u00ed v\u011bt\u0161\u00ed z hodnot 2 U + 1000 V nebo 1500 V.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"> Je povoleno pou\u017e\u00edt stejnosm\u011brn\u00e9 zku\u0161ebn\u00ed nap\u011bt\u00ed nam\u00edsto uveden\u00e9ho st\u0159\u00eddav\u00e9ho zku\u0161ebn\u00edho nap\u011bt\u00ed. Pro izolovan\u00e1 vinut\u00ed by to m\u011blo b\u00fdt 170% efektivn\u00ed hodnoty specifikovan\u00e9ho st\u0159\u00eddav\u00e9ho zku\u0161ebn\u00edho nap\u011bt\u00ed, nebo pro elektrickou vzd\u00e1lenost nebo vzd\u00e1lenost pr\u016fchodu v izola\u010dn\u00edm prost\u0159ed\u00ed by to m\u011blo b\u00fdt 140% efektivn\u00ed hodnoty specifikovan\u00e9ho st\u0159\u00eddav\u00e9ho zku\u0161ebn\u00edho nap\u011bt\u00ed. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Pozn\u00e1mka: U je vy\u0161\u0161\u00ed hodnota jmenovit\u00e9ho nap\u00e1jec\u00edho nap\u011bt\u00ed nebo nejvy\u0161\u0161\u00edho nap\u011bt\u00ed, kter\u00e9 se vyskytuje uvnit\u0159 za\u0159\u00edzen\u00ed. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">U za\u0159\u00edzen\u00ed s elektricky odd\u011blen\u00fdmi sou\u010d\u00e1stmi by m\u011blo b\u00fdt zku\u0161ebn\u00ed nap\u011bt\u00ed p\u0159ivedeno na ka\u017edou sou\u010d\u00e1st zvl\u00e1\u0161\u0165 p\u0159i odpov\u00eddaj\u00edc\u00edm nap\u011bt\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"<p>The insulation dielectric strength of &#8220;n&#8221; type electrical equipment to ground or frame shall comply with the following provisions, except when the circuits installed in the electrical equipment are directly connected to the equipment frame or connected to the frame during equipment operation: a. Tests as specified in the relevant industrial standards for the various [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1587,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-1586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653-e1735367197283.png",1025,352,false],"thumbnail":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653-e1735367197283-150x150.png",150,150,true],"medium":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653-e1735367197283-300x103.png",300,103,true],"medium_large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653-e1735367197283-768x264.png",768,264,true],"large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653-e1735367197283.png",1024,352,false],"1536x1536":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653-e1735367197283.png",1025,352,false],"2048x2048":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653-e1735367197283.png",1025,352,false],"trp-custom-language-flag":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/lQLPJwmlIEhxDanNAo3NBAGwh6Wl8DNh4UkHUImFCzUoAA_1025_653-e1735367197283.png",18,6,false]},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/cs\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"The insulation dielectric strength of &#8220;n&#8221; type electrical equipment to ground or frame shall comply with the following provisions, except when the circuits installed in the electrical equipment are directly connected to the equipment frame or connected to the frame during equipment operation: a. Tests as specified in the relevant industrial standards for the various&hellip;","_links":{"self":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/comments?post=1586"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1586\/revisions"}],"predecessor-version":[{"id":1588,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1586\/revisions\/1588"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media\/1587"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media?parent=1586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/categories?post=1586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/tags?post=1586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}