{"id":5891,"date":"2023-11-14T08:40:00","date_gmt":"2023-11-14T07:40:00","guid":{"rendered":"https:\/\/mladysvet.sk\/?p=5891"},"modified":"2024-09-13T08:40:56","modified_gmt":"2024-09-13T06:40:56","slug":"ako-vybrat-spravne-istice-a-prudove-chranice","status":"publish","type":"post","link":"https:\/\/mladysvet.sk\/?p=5891","title":{"rendered":"Ako vybra\u0165 spr\u00e1vne isti\u010de a pr\u00fadov\u00e9 chr\u00e1ni\u010de?"},"content":{"rendered":"\n

V\u00fdber spr\u00e1vnych isti\u010dov a pr\u00fadov\u00fdch chr\u00e1ni\u010dov je k\u013e\u00fa\u010dov\u00fd pre bezpe\u010dn\u00fa a spo\u013eahliv\u00fa prev\u00e1dzku elektrickej in\u0161tal\u00e1cie. Nespr\u00e1vny v\u00fdber m\u00f4\u017ee vies\u0165 k prehriatiu, po\u0161kodeniu zariaden\u00ed, dokonca aj k vzniku po\u017eiaru \u010di \u00farazu elektrick\u00fdm pr\u00fadom.<\/p>\n\n\n\n

Isti\u010de<\/strong> sl\u00fa\u017eia na ochranu elektrick\u00e9ho obvodu pred pre\u0165a\u017een\u00edm alebo skratom. Automaticky preru\u0161ia pr\u00fad, ak je v obvode pr\u00edli\u0161 ve\u013ek\u00fd a hroz\u00ed prehriatie k\u00e1blov alebo zariaden\u00ed.<\/p>\n\n\n\n

Pr\u00fadov\u00e9 chr\u00e1ni\u010de<\/strong> chr\u00e1nia \u013eud\u00ed pred \u00farazom elektrick\u00fdm pr\u00fadom. Ak d\u00f4jde k \u00faniku pr\u00fadu mimo obvod (napr\u00edklad dotykom \u010dloveka), pr\u00fadov\u00fd chr\u00e1ni\u010d okam\u017eite preru\u0161\u00ed pr\u00fad.<\/p>\n\n\n\n

Ako vybra\u0165 spr\u00e1vne isti\u010de a pr\u00fadov\u00e9 chr\u00e1ni\u010de?<\/h3>\n\n\n\n

Pri v\u00fdbere isti\u010dov a pr\u00fadov\u00fdch chr\u00e1ni\u010dov je potrebn\u00e9 zoh\u013eadni\u0165 nieko\u013eko faktorov:<\/p>\n\n\n\n

    \n
  • Menovit\u00fd pr\u00fad:<\/strong> Tento parameter ud\u00e1va maxim\u00e1lny pr\u00fad, ktor\u00fd m\u00f4\u017ee isti\u010d alebo pr\u00fadov\u00fd chr\u00e1ni\u010d trvalo prepusti\u0165. Mus\u00ed zodpoveda\u0165 maxim\u00e1lnemu pr\u00fadu, ktor\u00fd bude v obvode tiec\u0165.<\/li>\n\n\n\n
  • Typ isti\u010da:<\/strong> Rozli\u0161ujeme nieko\u013eko typov isti\u010dov (B, C, D), ktor\u00e9 sa l\u00ed\u0161ia svojou charakteristikou vyp\u00ednania. V\u00fdber typu z\u00e1vis\u00ed od typu za\u0165a\u017eenia v obvode.<\/li>\n\n\n\n
  • Menovit\u00fd rozdielov\u00fd pr\u00fad:<\/strong> Tento parameter ud\u00e1va hodnotu pr\u00fadu, pri ktorej pr\u00fadov\u00fd chr\u00e1ni\u010d vypne. Naj\u010dastej\u0161ie sa pou\u017e\u00edvaj\u00fa pr\u00fadov\u00e9 chr\u00e1ni\u010de s menovit\u00fdm rozdielov\u00fdm pr\u00fadom 30 mA.<\/li>\n\n\n\n
  • Selektivita:<\/strong> Selektivita znamen\u00e1, \u017ee pri poruche v jednej \u010dasti obvodu vypne len ten isti\u010d alebo pr\u00fadov\u00fd chr\u00e1ni\u010d, ktor\u00fd chr\u00e1ni t\u00fato \u010das\u0165, a nie v\u0161etky isti\u010de v rozv\u00e1dza\u010di.<\/li>\n\n\n\n
  • Po\u010det p\u00f3lov:<\/strong> Isti\u010de a pr\u00fadov\u00e9 chr\u00e1ni\u010de m\u00f4\u017eu by\u0165 jednop\u00f3lov\u00e9, dvojp\u00f3lov\u00e9 alebo trojp\u00f3lov\u00e9. V\u00fdber z\u00e1vis\u00ed od toho, ko\u013eko f\u00e1z m\u00e1 elektrick\u00fd obvod.<\/li>\n<\/ul>\n\n\n\n

    Kde vyh\u013eada\u0165 pomoc?<\/h3>\n\n\n\n

    V\u00fdber spr\u00e1vnych isti\u010dov a pr\u00fadov\u00fdch chr\u00e1ni\u010dov by mal by\u0165 v\u017edy konzultovan\u00fd s odborn\u00edkom \u2013 elektrik\u00e1rom. Ten v\u00e1m porad\u00ed na z\u00e1klade konkr\u00e9tnych podmienok va\u0161ej elektrickej in\u0161tal\u00e1cie a zabezpe\u010d\u00ed, aby bola in\u0161tal\u00e1cia bezpe\u010dn\u00e1 a funk\u010dn\u00e1.<\/p>\n\n\n\n

    \u010co by ste mali vedie\u0165 pred konzult\u00e1ciou s elektrik\u00e1rom?<\/h3>\n\n\n\n
      \n
    • Rozvody v dom\u00e1cnosti:<\/strong> Ak\u00e9 s\u00fa rozvody v dom\u00e1cnosti (star\u00e9, nov\u00e9)?<\/li>\n\n\n\n
    • Spotrebi\u010de:<\/strong> Ak\u00e9 elektrick\u00e9 spotrebi\u010de m\u00e1te alebo pl\u00e1nujete ma\u0165?<\/li>\n\n\n\n
    • Pl\u00e1novan\u00e9 zmeny:<\/strong> Pl\u00e1nujete nejak\u00e9 zmeny v elektrickej in\u0161tal\u00e1cii (napr. pridanie z\u00e1suviek)?<\/li>\n<\/ul>\n\n\n\n

      D\u00f4le\u017eit\u00e9:<\/strong> Elektroin\u0161tal\u00e1cia je seri\u00f3zna z\u00e1le\u017eitos\u0165 a neodpor\u00fa\u010da sa vykon\u00e1va\u0165 \u017eiadne z\u00e1sahy do nej bez potrebnej kvalifik\u00e1cie. Zverte t\u00fato pr\u00e1cu odborn\u00edkovi.<\/p>\n","protected":false},"excerpt":{"rendered":"

      V\u00fdber spr\u00e1vnych isti\u010dov a pr\u00fadov\u00fdch chr\u00e1ni\u010dov je k\u013e\u00fa\u010dov\u00fd pre bezpe\u010dn\u00fa a spo\u013eahliv\u00fa prev\u00e1dzku elektrickej in\u0161tal\u00e1cie. Nespr\u00e1vny v\u00fdber m\u00f4\u017ee vies\u0165 k prehriatiu, po\u0161kodeniu zariaden\u00ed, dokonca aj k vzniku po\u017eiaru \u010di \u00farazu elektrick\u00fdm pr\u00fadom. Isti\u010de sl\u00fa\u017eia na ochranu elektrick\u00e9ho obvodu pred pre\u0165a\u017een\u00edm alebo skratom. Automaticky preru\u0161ia pr\u00fad, ak je v obvode pr\u00edli\u0161 ve\u013ek\u00fd a hroz\u00ed prehriatie k\u00e1blov alebo zariaden\u00ed. Pr\u00fadov\u00e9 chr\u00e1ni\u010de chr\u00e1nia \u013eud\u00ed pred \u00farazom elektrick\u00fdm pr\u00fadom. Ak d\u00f4jde k \u00faniku pr\u00fadu mimo obvod (napr\u00edklad dotykom \u010dloveka), pr\u00fadov\u00fd chr\u00e1ni\u010d okam\u017eite preru\u0161\u00ed pr\u00fad. Ako vybra\u0165 spr\u00e1vne isti\u010de a pr\u00fadov\u00e9 chr\u00e1ni\u010de? Pri v\u00fdbere isti\u010dov a pr\u00fadov\u00fdch chr\u00e1ni\u010dov je potrebn\u00e9 zoh\u013eadni\u0165 nieko\u013eko faktorov: Kde vyh\u013eada\u0165 pomoc? V\u00fdber spr\u00e1vnych isti\u010dov a pr\u00fadov\u00fdch chr\u00e1ni\u010dov by mal by\u0165 v\u017edy konzultovan\u00fd s odborn\u00edkom \u2013 elektrik\u00e1rom. Ten v\u00e1m porad\u00ed na z\u00e1klade konkr\u00e9tnych podmienok va\u0161ej elektrickej in\u0161tal\u00e1cie a zabezpe\u010d\u00ed, aby bola in\u0161tal\u00e1cia bezpe\u010dn\u00e1 a funk\u010dn\u00e1. \u010co by ste mali vedie\u0165 pred konzult\u00e1ciou s elektrik\u00e1rom? D\u00f4le\u017eit\u00e9: Elektroin\u0161tal\u00e1cia je seri\u00f3zna z\u00e1le\u017eitos\u0165 a neodpor\u00fa\u010da sa vykon\u00e1va\u0165 \u017eiadne z\u00e1sahy do nej bez potrebnej kvalifik\u00e1cie. Zverte t\u00fato pr\u00e1cu odborn\u00edkovi.<\/p>\n","protected":false},"author":1,"featured_media":5892,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[],"coauthors":[428],"class_list":["post-5891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-byvanie"],"acf":[],"_links":{"self":[{"href":"https:\/\/mladysvet.sk\/index.php?rest_route=\/wp\/v2\/posts\/5891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mladysvet.sk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mladysvet.sk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mladysvet.sk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mladysvet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5891"}],"version-history":[{"count":1,"href":"https:\/\/mladysvet.sk\/index.php?rest_route=\/wp\/v2\/posts\/5891\/revisions"}],"predecessor-version":[{"id":5893,"href":"https:\/\/mladysvet.sk\/index.php?rest_route=\/wp\/v2\/posts\/5891\/revisions\/5893"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mladysvet.sk\/index.php?rest_route=\/wp\/v2\/media\/5892"}],"wp:attachment":[{"href":"https:\/\/mladysvet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mladysvet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mladysvet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5891"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/mladysvet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcoauthors&post=5891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}