{"id":2257,"date":"2024-09-04T17:27:41","date_gmt":"2024-09-04T15:27:41","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=2257"},"modified":"2025-09-27T17:50:23","modified_gmt":"2025-09-27T15:50:23","slug":"clause-3-how-to-understand-the-definition-of-extra-low-voltage","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/fr\/clause-3-how-to-understand-the-definition-of-extra-low-voltage\/","title":{"rendered":"Clause 3 \u2013 Comment comprendre la d\u00e9finition de \u00ab tr\u00e8s basse tension \u00bb"},"content":{"rendered":"tr\u00e8s basse tension : tension fournie par une source interne \u00e0 l&#8217;appareil qui ne d\u00e9passe pas 50 V entre les conducteurs et entre les conducteurs et la terre lorsque l&#8217;appareil est aliment\u00e9 \u00e0 la tension nominale<br>\n<br>\nSelon la d\u00e9finition de la directive europ\u00e9enne basse tension, la basse tension varie de 50 \u00e0 1 000 V pour le courant alternatif et de 75 \u00e0 1 500 V pour le courant continu. \u00c0 propos, la plupart des pays divisent les tensions hautes et basses en fonction de cette valeur de tension. Par cons\u00e9quent, les tensions sup\u00e9rieures \u00e0 la limite sup\u00e9rieure de la plage sont des tensions \u00e9lev\u00e9es et les tensions inf\u00e9rieures \u00e0 la limite inf\u00e9rieure de la plage sont des tensions tr\u00e8s basses. La d\u00e9finition ici dans la norme ne fait pas de distinction entre DC et AC. Veuillez noter qu&#8217;ici, seul un nom de tension est d\u00e9fini en fonction de la valeur de tension et qu&#8217;il ne d\u00e9finit pas une certaine partie du circuit basse tension. Parce que la tension est relative, lors de la mesure de la tension, la tension doit \u00eatre mesur\u00e9e entre les deux extr\u00e9mit\u00e9s, c&#8217;est-\u00e0-dire que la tension doit avoir un point de r\u00e9f\u00e9rence, c&#8217;est pourquoi la norme mentionne la tension entre les fils et entre les fils et la terre.<br>\n<br>\nLa tension de sortie des piles alcalines domestiques ordinaires, la tension de fonctionnement du circuit basse tension apr\u00e8s le transformateur ou le circuit abaisseur RC sur le circuit imprim\u00e9 de commande des appareils \u00e9lectrom\u00e9nagers ordinaires, qui peuvent tous \u00eatre d\u00e9finis comme une tension tr\u00e8s basse. .<br>\n<br>\nComme le montre la figure ci-dessous, R1 et C1 remplissent une fonction de r\u00e9duction de tension, de sorte que le circuit suivant R1 et C1 peut \u00eatre d\u00e9fini comme un circuit \u00e0 tr\u00e8s basse tension.<br>\n<figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"688\" height=\"226\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/09\/RC-step-down-circuit-ELV.jpg\" alt=\"\" class=\"wp-image-2261\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/09\/RC-step-down-circuit-ELV.jpg 688w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/09\/RC-step-down-circuit-ELV-300x99.jpg 300w\" sizes=\"auto, (max-width: 688px) 100vw, 688px\" \/><br>\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>tr\u00e8s basse tension : tension fournie par une source interne \u00e0 l&#8217;appareil qui ne d\u00e9passe pas 50 V entre les conducteurs et entre les conducteurs et la terre lorsque l&#8217;appareil est aliment\u00e9 \u00e0 la tension nominale Selon la d\u00e9finition de la directive europ\u00e9enne basse tension, la basse tension varie de 50 \u00e0 1 000 V&#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":[159,89],"class_list":["post-2257","post","type-post","status-publish","format-standard","hentry","category-terms-and-definitions","tag-earthing","tag-voltage-supplied-from-a-source-within-the-appliance-that-does-not-exceed-50-v-between-conductors-and-between-conductors-and-earth-or-functional-earth-when-the-appliance-is-supplied-at-rated-voltage"],"translation":{"provider":"WPGlobus","version":"3.0.1","language":"fr","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\/fr\/wp-json\/wp\/v2\/posts\/2257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gezhi-tech.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gezhi-tech.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/fr\/wp-json\/wp\/v2\/comments?post=2257"}],"version-history":[{"count":20,"href":"https:\/\/gezhi-tech.com\/fr\/wp-json\/wp\/v2\/posts\/2257\/revisions"}],"predecessor-version":[{"id":2280,"href":"https:\/\/gezhi-tech.com\/fr\/wp-json\/wp\/v2\/posts\/2257\/revisions\/2280"}],"wp:attachment":[{"href":"https:\/\/gezhi-tech.com\/fr\/wp-json\/wp\/v2\/media?parent=2257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gezhi-tech.com\/fr\/wp-json\/wp\/v2\/categories?post=2257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gezhi-tech.com\/fr\/wp-json\/wp\/v2\/tags?post=2257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}