{"id":1023,"date":"2025-05-16T18:41:27","date_gmt":"2025-05-16T16:41:27","guid":{"rendered":"https:\/\/www.fixmajster.sk\/?p=1023"},"modified":"2025-05-16T18:41:28","modified_gmt":"2025-05-16T16:41:28","slug":"uzemnovacie-sustavy","status":"publish","type":"post","link":"https:\/\/www.fixmajster.sk\/index.php\/2025\/05\/16\/uzemnovacie-sustavy\/","title":{"rendered":"Uzem\u0148ovacie s\u00fastavy"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\"> Z\u00e1kladn\u00e9 pojmy s\u00favisiace s uzemnen\u00edm<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Referen\u010dn\u00e1 zem:<\/strong> \u010cas\u0165 zeme pova\u017eovan\u00e1 za elektricky neutr\u00e1lnu (nulov\u00fd potenci\u00e1l), nez\u00e1visl\u00e1 od vplyvu ak\u00fdchko\u013evek uzem\u0148ova\u010dov.<\/li>\n\n\n\n<li><strong>Miestna zem:<\/strong> Zemina v priamom kontakte s uzem\u0148ova\u010dom, ktorej potenci\u00e1l sa nemus\u00ed rovna\u0165 nule.<\/li>\n\n\n\n<li><strong>Uzem\u0148ova\u010d:<\/strong> Vodiv\u00fd prvok v kontakte so zemou alebo vlo\u017een\u00fd do vodiv\u00e9ho prostredia (napr. bet\u00f3n, koks), ktor\u00e9 je spojen\u00e9 so zemou.<\/li>\n\n\n\n<li><strong>Zemni\u010d:<\/strong> Jeden alebo viac vodiv\u00fdch prvkov, ktor\u00e9 zabezpe\u010duj\u00fa priame vodiv\u00e9 spojenie so zemou.<\/li>\n\n\n\n<li><strong>Nez\u00e1visl\u00fd uzem\u0148ova\u010d:<\/strong> Tak\u00fd, ktor\u00fd je umiestnen\u00fd dostato\u010dne \u010faleko od ostatn\u00fdch, aby ho neovplyv\u0148ovali pr\u00fady te\u010d\u00face medzi in\u00fdmi uzem\u0148ova\u010dmi a zemou.<\/li>\n\n\n\n<li><strong>Uzem\u0148ova\u010d k\u00e1blov\u00e9ho vedenia:<\/strong> Neizolovan\u00fd vodi\u010d veden\u00fd pozd\u013a\u017e trasy k\u00e1bla, sl\u00fa\u017eiaci na uzemnenie.<\/li>\n\n\n\n<li><strong>Uzemni\u0165:<\/strong> Vytvori\u0165 elektrick\u00e9 spojenie medzi bodom v in\u0161tal\u00e1cii a zemou.<\/li>\n\n\n\n<li><strong>Ochrann\u00e9 uzemnenie:<\/strong> Uzemnenie sl\u00fa\u017eiace na ochranu os\u00f4b pred \u00farazom elektrick\u00fdm pr\u00fadom.<\/li>\n\n\n\n<li><strong>Ochrann\u00e9 uzemnenie pri pr\u00e1ci:<\/strong> Do\u010dasn\u00e9 uzemnenie vypnut\u00fdch \u010dast\u00ed pre bezpe\u010dn\u00fd v\u00fdkon pr\u00e1ce.<\/li>\n\n\n\n<li><strong>Funk\u010dn\u00e9 uzemnenie:<\/strong> Uzemnenie potrebn\u00e9 pre spr\u00e1vnu \u010dinnos\u0165 zariadenia.<\/li>\n\n\n\n<li><strong>Odpor uzemnenia:<\/strong> Re\u00e1lna \u010das\u0165 impedancie medzi uzem\u0148ovacou svorkou a zemou.<\/li>\n\n\n\n<li><strong>Celkov\u00fd odpor uzemnenia:<\/strong> Odpor medzi hlavnou uzem\u0148ovacou svorkou a zemou.<\/li>\n\n\n\n<li><strong>Impedancia uzemnenia:<\/strong> Elektrick\u00fd odpor (so zoh\u013eadnen\u00edm frekvencie) medzi bodom in\u0161tal\u00e1cie a referen\u010dnou zemou.<\/li>\n\n\n\n<li><strong>Uzem\u0148ovac\u00ed vodi\u010d:<\/strong> Vodi\u010d sp\u00e1jaj\u00faci zariadenie s uzem\u0148ova\u010dom.<\/li>\n\n\n\n<li><strong>Vodi\u010d na ochrann\u00e9 a funk\u010dn\u00e9 uzemnenie:<\/strong> Vodi\u010d kombinuj\u00faci ochrann\u00fa a funk\u010dn\u00fa uzem\u0148ovaciu funkciu.<\/li>\n\n\n\n<li><strong>Paraleln\u00fd uzem\u0148ovac\u00ed vodi\u010d:<\/strong> Doplnkov\u00fd vodi\u010d zabezpe\u010duj\u00faci kontinuitu uzemnenia.<\/li>\n\n\n\n<li><strong>Uzem\u0148ovacia s\u00fastava (syst\u00e9m):<\/strong> Cel\u00fd s\u00fabor prvkov a spojov zabezpe\u010duj\u00facich uzemnenie elektroin\u0161tal\u00e1cie alebo siete.<\/li>\n\n\n\n<li><strong>Sie\u0165 uzem\u0148ova\u010dov:<\/strong> S\u00fastava pozost\u00e1vaj\u00faca v\u00fdlu\u010dne z uzem\u0148ovac\u00edch prvkov a ich vz\u00e1jomn\u00fdch spojov.<\/li>\n\n\n\n<li><strong>Uzem\u0148ovacia svorka:<\/strong> Bod na zariaden\u00ed ur\u010den\u00fd na pripojenie k uzem\u0148ovacej s\u00fastave.<\/li>\n\n\n\n<li><strong>Hlavn\u00e1 uzem\u0148ovacia svorka\/pr\u00edpojnica:<\/strong> Centr\u00e1lne miesto na pripojenie v\u0161etk\u00fdch uzem\u0148ovac\u00edch vodi\u010dov v elektroin\u0161tal\u00e1cii.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p class=\"tx-excerpt\">Z\u00e1kladn\u00e9 pojmy s\u00favisiace s uzemnen\u00edm<\/p>","protected":false},"author":3,"featured_media":1024,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1023","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nezaradene"],"_links":{"self":[{"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/posts\/1023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/comments?post=1023"}],"version-history":[{"count":1,"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/posts\/1023\/revisions"}],"predecessor-version":[{"id":1025,"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/posts\/1023\/revisions\/1025"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/media\/1024"}],"wp:attachment":[{"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/media?parent=1023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/categories?post=1023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fixmajster.sk\/index.php\/wp-json\/wp\/v2\/tags?post=1023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}