{"id":19127,"date":"2024-03-13T18:10:39","date_gmt":"2024-03-13T17:10:39","guid":{"rendered":"https:\/\/www.souteze.cz\/magazin\/?p=19127"},"modified":"2024-03-13T18:10:40","modified_gmt":"2024-03-13T17:10:40","slug":"fotovoltaicky-system-a-napetove-razy-v-siti-co-zpusobuje-nahle-vypnuti-invertoru-a-jak-tomu-predejit","status":"publish","type":"post","link":"https:\/\/www.souteze.cz\/magazin\/fotovoltaicky-system-a-napetove-razy-v-siti-co-zpusobuje-nahle-vypnuti-invertoru-a-jak-tomu-predejit\/","title":{"rendered":"Fotovoltaick\u00fd syst\u00e9m a nap\u011b\u0165ov\u00e9 r\u00e1zy v s\u00edti &#8211; co zp\u016fsobuje n\u00e1hl\u00e9 vypnut\u00ed invertoru a jak tomu p\u0159edej\u00edt?"},"content":{"rendered":"\n<p>Spr\u00e1vn\u011b funguj\u00edc\u00ed fotovoltaick\u00fd syst\u00e9m je velmi dobr\u00fd zp\u016fsob, jak sn\u00ed\u017eit \u00fa\u010dty za elekt\u0159inu, zv\u00fd\u0161it energetickou nez\u00e1vislost a p\u0159isp\u011bt k ochran\u011b \u017eivotn\u00edho prost\u0159ed\u00ed. Aby tomu tak bylo, mus\u00ed b\u00fdt zaji\u0161t\u011bno spolehliv\u00e9 fungov\u00e1n\u00ed cel\u00e9ho syst\u00e9mu. Vlastn\u00edci PV modul\u016f se v\u0161ak n\u011bkdy pot\u00fdkaj\u00ed s&nbsp;n\u00e1hl\u00fdm vypnut\u00edm invertor\u016f (st\u0159\u00edda\u010d\u016f). Nej\u010dast\u011bji se to d\u011bje kv\u016fli nap\u011b\u0165ov\u00fdm r\u00e1z\u016fm v s\u00edti &#8211; invertor \u201eodpoj\u00ed\u201c fotovoltaick\u00fd syst\u00e9m, aby zabr\u00e1nil jeho poru\u0161e a nebezpe\u010dn\u00fdm situac\u00edm. P\u0159e\u010dt\u011bte si, odkud se berou zm\u00edn\u011bn\u00e9 r\u00e1zy a zjist\u011bte, jak omezit jejich nebezpe\u010d\u00ed.<\/p>\n\n\n\n<p><strong>Co zp\u016fsobuje nap\u011b\u0165ov\u00e9 r\u00e1zy v s\u00edti a n\u00e1hl\u00e9 vypnut\u00ed invertoru?<\/strong><\/p>\n\n\n\n<p>V\u00edte, \u017ee v Polsku \u010din\u00ed povolen\u00e9 kol\u00eds\u00e1n\u00ed f\u00e1zov\u00e9ho nap\u011bt\u00ed v s\u00edti kolem 10 %? Proto doch\u00e1z\u00ed k vypnut\u00ed fotovoltaick\u00e9ho syst\u00e9mu ve chv\u00edli, kdy nap\u011bt\u00ed dos\u00e1hne m\u00e9n\u011b ne\u017e 207 V nebo v\u00edce ne\u017e 253 V. T\u00edmto zp\u016fsobem <a href=\"https:\/\/merxu.com\/cs\/c\/stridace-fc2f8780bf7e4910b04b8d93007edb00\/\" target=\"_blank\" rel=\"noreferrer noopener\">st\u0159\u00edda\u010de<\/a> chr\u00e1n\u00ed elektrick\u00e9 p\u0159\u00edstroje p\u0159ed po\u0161kozen\u00edm a sni\u017euj\u00ed riziko nebezpe\u010dn\u00fdch situac\u00ed, nap\u0159\u00edklad v p\u0159\u00edpad\u011b prov\u00e1d\u011bn\u00ed servisn\u00edch prac\u00ed. P\u0159\u00ed\u010diny nap\u011b\u0165ov\u00fdch r\u00e1z\u016f b\u00fdvaj\u00ed r\u016fzn\u00e9, mimo jin\u00e9:<\/p>\n\n\n\n<ul><li>poruchy a opravy rozvodn\u00fdch s\u00edt\u00ed,<\/li><li>p\u0159\u00edli\u0161 vysok\u00e1 nadv\u00fdroba ze zdroj\u016f obnoviteln\u00e9 energie, nap\u0159\u00edklad fotovoltaick\u00fdch syst\u00e9m\u016f nebo v\u011btrn\u00edk\u016f,<\/li><li>nebezpe\u010dn\u00e9 pov\u011btrnostn\u00ed jevy,<\/li><li>p\u0159ipojen\u00ed nebo odpojen\u00ed tov\u00e1ren, elektr\u00e1ren a jin\u00fdch velk\u00fdch odb\u011bratel\u016f elekt\u0159iny.<\/li><\/ul>\n\n\n\n<p>N\u00e1hl\u00e9 vypnut\u00ed fotovoltaick\u00e9ho syst\u00e9mu p\u0159i zm\u011bn\u011b nap\u011bt\u00ed v\u011bt\u0161\u00ed ne\u017e 10 % znamen\u00e1, \u017ee invertory funguj\u00ed spr\u00e1vn\u011b. St\u0159\u00edda\u010de je mo\u017en\u00e9 op\u011bt zapnout ve chv\u00edli, kdy se hodnoty vr\u00e1t\u00ed do norm\u00e1lu. Stoj\u00ed<br>za zm\u00ednku, \u017ee k odpojen\u00ed tohoto typu doch\u00e1z\u00ed obzvl\u00e1\u0161\u0165 \u010dasto na ja\u0159e a v l\u00e9t\u011b. Pokud maj\u00ed dom\u00e1cnosti nebo tov\u00e1rny vyu\u017e\u00edvaj\u00edc\u00ed PV syst\u00e9my zna\u010dnou nadv\u00fdrobu energie, tato nadv\u00fdroba odch\u00e1z\u00ed do (\u010dasto nemodernizovan\u00e9) s\u00edt\u011b, kde zp\u016fsobuje jej\u00ed p\u0159et\u00ed\u017een\u00ed a n\u00e1r\u016fst nap\u011bt\u00ed.<\/p>\n\n\n\n<p><strong>Co m\u016f\u017eete ud\u011blat pro omezen\u00ed vyp\u00edn\u00e1n\u00ed st\u0159\u00edda\u010d\u016f a sn\u00ed\u017een\u00ed ztr\u00e1t plynouc\u00edch z nepracuj\u00edc\u00edho<br>PV syst\u00e9mu?<\/strong><\/p>\n\n\n\n<p>P\u0159et\u00ed\u017een\u00ed s\u00edt\u011b a n\u00e1hl\u00e9 vyp\u00edn\u00e1n\u00ed invertor\u016f zp\u016fsobuje, \u017ee fotovoltaick\u00fd syst\u00e9m p\u0159estane fungovat<br>a nevyr\u00e1b\u00ed elektrickou energii, co\u017e znamen\u00e1 men\u0161\u00ed p\u0159\u00ednos investice. V prvn\u00ed \u0159ad\u011b je t\u0159eba poruchu tohoto typu nahl\u00e1sit energetick\u00e9 spole\u010dnosti. Faktory, kter\u00e9 ovliv\u0148uj\u00ed zm\u011bny nap\u011bt\u00ed, ne v\u017edy z\u00e1vis\u00ed na V\u00e1s, ale existuj\u00ed zp\u016fsoby, jak sn\u00ed\u017eit jej\u00edch riziko nebo minimalizovat ztr\u00e1ty. Zde je n\u011bkolik z nich:<\/p>\n\n\n\n<ul><li>zvy\u0161te vyu\u017eit\u00ed elekt\u0159iny ve chv\u00edli, kdy se j\u00ed vyr\u00e1b\u00ed nejv\u00edce, nap\u0159\u00edklad uzp\u016fsoben\u00edm chodu za\u0159\u00edzen\u00ed ve Va\u0161\u00ed dom\u00e1cnosti \u010di firm\u011b (zejm\u00e9na pokud maj\u00ed mo\u017enost pl\u00e1novan\u00e9ho zapnut\u00ed),<\/li><li>investujte do \u00falo\u017ei\u0161\u0165 energie, tedy do za\u0159\u00edzen\u00ed, kter\u00e1 V\u00e1m umo\u017en\u00ed skladovat nadv\u00fdrobu elekt\u0159iny a vyu\u017e\u00edt ji pozd\u011bji (nadv\u00fdroba se tak nedostane do s\u00edt\u011b a st\u0159\u00edda\u010de se nevypnou kv\u016fli n\u00e1r\u016fstu nap\u011bt\u00ed).<\/li><\/ul>\n\n\n\n<p>Nap\u011b\u0165ov\u00e9 r\u00e1zy v s\u00edti maj\u00ed v\u00edce p\u0159\u00ed\u010din, na kter\u00e9 ne v\u017edy m\u00e1me p\u0159\u00edm\u00fd vliv. Vypnut\u00e9 st\u0159\u00edda\u010de pak znamenaj\u00ed prostoj ve v\u00fdrob\u011b elekt\u0159iny z fotovoltaick\u00e9ho syst\u00e9mu. Proto se vyplat\u00ed sn\u00ed\u017eit mno\u017estv\u00ed nadv\u00fdroby dodan\u00e9 do s\u00edt\u011b d\u00edky inteligentn\u00edmu hospoda\u0159en\u00ed s energi\u00ed a vyu\u017e\u00edt ji u sebe doma<br>\u010di ve firm\u011b, nap\u0159\u00edklad zv\u00fd\u0161en\u00edm vlastn\u00ed spot\u0159eby nebo investov\u00e1n\u00edm do \u00falo\u017ei\u0161\u0165.<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Spr\u00e1vn\u011b funguj\u00edc\u00ed fotovoltaick\u00fd syst\u00e9m je velmi dobr\u00fd zp\u016fsob, jak sn\u00ed\u017eit \u00fa\u010dty za elekt\u0159inu, zv\u00fd\u0161it energetickou nez\u00e1vislost a p\u0159isp\u011bt k ochran\u011b \u017eivotn\u00edho prost\u0159ed\u00ed. Aby tomu tak<\/p>\n","protected":false},"author":10,"featured_media":19129,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1179],"tags":[1244],"acf":[],"_links":{"self":[{"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/posts\/19127"}],"collection":[{"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/comments?post=19127"}],"version-history":[{"count":1,"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/posts\/19127\/revisions"}],"predecessor-version":[{"id":19130,"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/posts\/19127\/revisions\/19130"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/media\/19129"}],"wp:attachment":[{"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/media?parent=19127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/categories?post=19127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.souteze.cz\/magazin\/wp-json\/wp\/v2\/tags?post=19127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}