{"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\/ro\/explosion-proof-equipment\/requirements-for-the-electrical-strength-of-n-type-electrical-equipment-for-explosion-proof-purposes\/","title":{"rendered":"Cerin\u021be privind rezisten\u021ba electric\u0103 a echipamentelor electrice de tip \u201cn\u201d rezistente la explozii"},"content":{"rendered":"

Rigiditatea dielectric\u0103 a izola\u021biei echipamentului electric de tip \u201cn\u201d la mas\u0103 sau la cadru trebuie s\u0103 respecte urm\u0103toarele dispozi\u021bii, cu excep\u021bia cazului \u00een care circuitele instalate \u00een echipamentul electric sunt conectate direct la cadrul echipamentului sau conectate la cadru \u00een timpul func\u021bion\u0103rii echipamentului: <\/p>\n\n\n\n

\"\"<\/a><\/figure><\/div>\n\n\n\n

a. \u00eencerc\u0103ri specificate \u00een standardele industriale relevante pentru diferitele componente ale echipamentelor electrice; sau <\/p>\n\n\n\n

b. Dac\u0103 cerin\u021bele de \u00eencercare de mai sus nu exist\u0103, cel pu\u021bin tensiunea de \u00eencercare trebuie s\u0103 fie \u00een conformitate cu urm\u0103toarele cerin\u021be 1) sau 2) \u0219i nu trebuie s\u0103 se \u00eentrerup\u0103 timp de cel pu\u021bin 1 minut. <\/p>\n\n\n\n

1) Pentru echipamentele electrice cu o tensiune de alimentare de v\u00e2rf care nu dep\u0103\u0219e\u0219te 90 V sau o tensiune intern\u0103 de v\u00e2rf care nu dep\u0103\u0219e\u0219te 90 V, valoarea RMS a tensiunii de \u00eencercare este de 500 V; <\/p>\n\n\n\n

2) Pentru alte echipamente electrice sau echipamente cu o tensiune intern\u0103 de v\u00e2rf care dep\u0103\u0219e\u0219te 90 V, valoarea RMS a tensiunii de \u00eencercare este cea mai mare dintre 2 U + 1000 V sau 1500 V.<\/p>\n\n\n\n

Este permis\u0103 utilizarea unei tensiuni de \u00eencercare CC \u00een locul tensiunii de \u00eencercare CA specificate. Pentru \u00eenf\u0103\u0219ur\u0103rile izolate, ar trebui s\u0103 fie de 170% din valoarea efectiv\u0103 a tensiunii de \u00eencercare CA specificate sau pentru distan\u021ba electric\u0103 sau distan\u021ba de curgere \u00een mediul izolant, ar trebui s\u0103 fie de 140% din valoarea efectiv\u0103 a tensiunii de \u00eencercare CA specificate. <\/p>\n\n\n\n

Not\u0103: U este cea mai mare valoare a tensiunii nominale de alimentare sau cea mai mare tensiune care apare \u00een interiorul echipamentului. <\/p>\n\n\n\n

Pentru echipamentele cu componente izolate electric, tensiunea de \u00eencercare trebuie aplicat\u0103 separat fiec\u0103rei componente la tensiunea corespunz\u0103toare.<\/p>","protected":false},"excerpt":{"rendered":"

The insulation dielectric strength of “n” 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 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insulation dielectric strength of “n” 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…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/1586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/comments?post=1586"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/1586\/revisions"}],"predecessor-version":[{"id":1588,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/1586\/revisions\/1588"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/media\/1587"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/media?parent=1586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/categories?post=1586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/tags?post=1586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}