{"id":28769,"date":"2026-05-05T09:41:56","date_gmt":"2026-05-05T07:41:56","guid":{"rendered":"https:\/\/v4.cubeconcepts.de\/?p=28769"},"modified":"2026-06-11T16:28:08","modified_gmt":"2026-06-11T14:28:08","slug":"zatemneni-je-rizene-nebo-nekontrolovane-snizeni-napeti-v-elektricke-siti-pro-ochranu-systemu-pred-kolapsem-v-dusledku-pretizeni-priciny-nestabilita-nabidky-a-poptavky-hlavni-pricinou","status":"publish","type":"post","link":"https:\/\/cubeconcepts.de\/cz\/brownout-definition-ursachen-auswirkungen-im-stromnetz\/","title":{"rendered":"Brownout: Definice, p\u0159\u00ed\u010diny a dopady na elektrickou s\u00ed\u0165"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Pojem <strong>Zatemn\u011bn\u00ed<\/strong> poch\u00e1z\u00ed z ran\u00fdch dob nap\u00e1jen\u00ed elekt\u0159inou: kdy\u017e nap\u011bt\u00ed v s\u00edti pokleslo, tehdej\u0161\u00ed \u017e\u00e1rovky blikaly a zhas\u00ednaly a vytv\u00e1\u0159ely charakteristick\u00e9 nahn\u011bdl\u00e9 sv\u011btlo \u2013 odtud n\u00e1zev. V anglicky mluv\u00edc\u00edch zem\u00edch se \u201ebrownout\u201c ozna\u010duje tak\u00e9 jako \u201esag\u201c (propad nap\u011bt\u00ed).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Technicky je podp\u011bt\u00ed (brownout) kr\u00e1tkodob\u00e9 nebo trval\u00e9 sn\u00ed\u017een\u00ed jmenovit\u00e9ho nap\u011bt\u00ed v elektrick\u00e9 s\u00edti. V evropsk\u00e9 propojen\u00e9 s\u00edti je jmenovit\u00e9 nap\u011bt\u00ed v dom\u00e1c\u00ed s\u00edti 230 V (st\u0159\u00eddav\u00e9 nap\u011bt\u00ed, 50 Hz). Pokud skute\u010dn\u00e9 nap\u011bt\u00ed znateln\u011b klesne pod tuto hodnotu, hovo\u0159\u00ed se o podp\u011bt\u00ed. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u016fle\u017eit\u00e9: Brownout znamen\u00e1 v\u017edy <strong>p\u0159\u00edli\u0161 n\u00edzk\u00e9 nap\u011bt\u00ed<\/strong> \u2013 <strong>p\u0159\u00edli\u0161 mnoho elekt\u0159iny<\/strong>. \u201cP\u0159ep\u011bt\u00ed\u201d (p\u0159\u00edli\u0161 vysok\u00e9 nap\u011bt\u00ed v s\u00edti) je jin\u00fd, samostatn\u00fd jev a nast\u00e1v\u00e1 p\u0159i <a href=\"https:\/\/cubeconcepts.de\/cz\/peklo\/\">Pekeln\u00fd p\u0159\u00edval<\/a> S\u00ed. \u201cP\u0159et\u00ed\u017een\u00ed s\u00edt\u011b\u201d m\u016f\u017ee nastat ob\u011bma sm\u011bry: bu\u010f kv\u016fli p\u0159\u00edli\u0161 vysok\u00e9 popt\u00e1vce, nebo p\u0159\u00edli\u0161 vysok\u00e9mu p\u0159\u00edsunu. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kompaktn\u011b vysv\u011btleno: Co je to brownout?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Brownout je pokles nap\u011bt\u00ed v elektrick\u00e9 s\u00edti, p\u0159i kter\u00e9m nap\u011bt\u00ed v s\u00edti klesne pod norm\u00e1ln\u00ed hodnotu, ani\u017e by do\u0161lo k \u00fapln\u00e9mu v\u00fdpadku proudu. M\u016f\u017ee vzniknout nekontrolovan\u011b p\u0159et\u00ed\u017een\u00edm s\u00edt\u011b nebo m\u016f\u017ee b\u00fdt c\u00edlen\u011b zaveden provozovateli s\u00edt\u011b, aby se zabr\u00e1nilo \u00fapln\u00e9mu v\u00fdpadku proudu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Typy v\u00fdpadk\u016f: \u0159\u00edzen\u00e9 a ne\u0159\u00edzen\u00e9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Nekontrolovan\u00fd v\u00fdbuch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nekontrolovan\u00fd brownout nast\u00e1v\u00e1, kdy\u017e popt\u00e1vka po elektrick\u00e9 energii p\u0159ev\u00fd\u0161\u00ed dostupn\u00e9 dod\u00e1vky a s\u00ed\u0165 se dostane na hranici sv\u00fdch mo\u017enost\u00ed. Nap\u011bt\u00ed v s\u00edti spont\u00e1nn\u011b poklesne \u2013 nikoli jako pl\u00e1novan\u00e9 opat\u0159en\u00ed, ale jako reakce syst\u00e9mu na p\u0159et\u00ed\u017een\u00ed. Tento sc\u00e9n\u00e1\u0159 nast\u00e1v\u00e1 zejm\u00e9na v <strong>men\u0161\u00ed nebo poddimenzovan\u00e9 elektrick\u00e9 s\u00edt\u011b<\/strong> s p\u0159\u00edli\u0161 <strong>n\u00edzk\u00e1 regula\u010dn\u00ed schopnost<\/strong> nebo jak je tomu nap\u0159\u00edklad v \u010d\u00e1stech Japonska nebo v n\u011bkter\u00fdch rozvojov\u00fdch zem\u00edch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typick\u00e9 spou\u0161t\u011b\u010de nekontrolovan\u00fdch pokles\u016f nap\u011bt\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extr\u00e9mn\u00ed vlny veder nebo mraz\u016f se siln\u00fdm n\u00e1r\u016fstem spot\u0159eby elektrick\u00e9 energie (nap\u0159. v d\u016fsledku klimatizac\u00ed nebo topen\u00ed)<\/li>\n\n\n\n<li>Neo\u010dek\u00e1van\u00e9 selh\u00e1n\u00ed velk\u00fdch elektr\u00e1ren nebo \u00fasek\u016f veden\u00ed<\/li>\n\n\n\n<li>Nedostate\u010dn\u00fd v\u00fdkon pravidla. <a href=\"https:\/\/cubeconcepts.de\/cz\/vyrovnavani-dodatecnych-prenosu-energie-prostrednictvim-skladovani-elektriny\/\">\u0158\u00edzen\u00ed energie<\/a> v s\u00edti p\u0159i \u0161pi\u010dk\u00e1ch zat\u00ed\u017een\u00ed<\/li>\n\n\n\n<li>Dlouhodob\u011bj\u0161\u00ed obdob\u00ed s n\u00edzkou produkc\u00ed v\u011btrn\u00e9 a sol\u00e1rn\u00ed energie<a href=\"https:\/\/cubeconcepts.de\/cz\/temne-obdobi-je-vyzvou-pro-obnovitelne-zdroje-energie\/\">Tmav\u00e9 obdob\u00ed<\/a>)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u0158\u00edzen\u00fd brownout<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">p\u0159i \u0159\u00edzen\u00e9m poklesu nap\u011bt\u00ed <strong>S\u00ed\u0165ov\u00fd oper\u00e1tor proaktivn\u011b<\/strong>C\u00edlen\u011b sni\u017euj\u00ed nap\u011bt\u00ed v s\u00edti nebo do\u010dasn\u011b vyp\u00ednaj\u00ed jednotliv\u00e9 oblasti s\u00edt\u011b, aby stabilizovali celkov\u00fd syst\u00e9m a p\u0159ede\u0161li nekontrolovan\u00e9mu \u00fapln\u00e9mu v\u00fdpadku (blackoutu). Lze si to p\u0159edstavit jako \u00fasporn\u00fd re\u017eim pro cel\u00e9 regiony.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kontrolovan\u00fd v\u00fdpadek m\u00e1 dv\u011b formy:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sn\u00ed\u017een\u00ed nap\u011bt\u00ed<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Distribu\u010dn\u00ed oper\u00e1to\u0159i m\u00edrn\u011b sn\u00ed\u017e\u00ed nap\u011bt\u00ed v s\u00edti \u2013 nap\u0159\u00edklad z 230 V na 210 V. Proto\u017ee mnoho jednoduch\u00fdch spot\u0159ebi\u010d\u016f (topen\u00ed, star\u0161\u00ed za\u0159\u00edzen\u00ed) spot\u0159ebuje m\u00e9n\u011b proudu, kdy\u017e nap\u011bt\u00ed klesne, automaticky se sn\u00ed\u017e\u00ed celkov\u00e1 z\u00e1t\u011b\u017e v s\u00edti. Osv\u011btlen\u00ed p\u0159itom m\u016f\u017ee minim\u00e1ln\u011b problik\u00e1vat nebo se ztlumit., <strong>ale proud nevypadne<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Odst\u00e1vky elektrick\u00e9 energie (pl\u00e1novan\u00e9 p\u0159eru\u0161en\u00ed dod\u00e1vky)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud poddimenzovan\u00e9 nap\u011bt\u00ed nesta\u010d\u00ed, dal\u0161\u00ed f\u00e1z\u00ed je rota\u010dn\u00ed vyp\u00edn\u00e1n\u00ed: Zde jsou jednotliv\u00e9 s\u00ed\u0165ov\u00e9 oblasti \u2013 takzvan\u00e9 <strong>Vyp\u00ednac\u00ed skupiny<\/strong> (M\u011bstsk\u00e9 \u010d\u00e1sti, obce nebo pr\u016fmyslov\u00e9 z\u00f3ny) \u2013 postupn\u011b na omezenou dobu odpojen\u00e9 od s\u00edt\u011b. BDEW a VDE FNN pro to doporu\u010duj\u00ed <strong>Doba p\u0159eru\u0161en\u00ed po 90 minut\u00e1ch<\/strong>, aby se omezily dopady na dom\u00e1cnosti a podniky \u2013 mraz\u00e1ky se v t\u00e9to dob\u011b je\u0161t\u011b neodmrazuj\u00ed, nouzov\u00e9 gener\u00e1tory mohou toto obdob\u00ed p\u0159eklenout. Pot\u00e9 bude p\u0159eru\u0161en p\u0159\u00edvod proudu do dal\u0161\u00ed skupiny pro vypnut\u00ed, zat\u00edmco p\u0159edchoz\u00ed skupin\u011b bude proud op\u011bt zapojen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Pozn\u00e1mka pro N\u011bmecko: N\u011bmeck\u00e1 elektroenergetick\u00e1 s\u00ed\u0165 pat\u0159\u00ed k nejstabiln\u011bj\u0161\u00edm na sv\u011bt\u011b, jak <a href=\"https:\/\/cubeconcepts.de\/cz\/saidi-wert-2024-zajisteni-dodavek-v-nemecku-zustava-vysoke\/\">Hodnoty SAIDI<\/a> Ukazuj\u00ed ve srovn\u00e1n\u00ed. Celoplo\u0161n\u00e9 \u0159\u00edzen\u00e9 odst\u00e1vky kv\u016fli nedostatku elekt\u0159iny se dosud nikdy neuskute\u010dnily. S rostouc\u00edm pod\u00edlem obnoviteln\u00fdch zdroj\u016f energie a rostouc\u00ed elektrifikac\u00ed (elektromobilita, tepeln\u00e1 \u010derpadla) se v\u0161ak aktivn\u00ed \u0159\u00edzen\u00ed z\u00e1t\u011b\u017ee st\u00e1v\u00e1 st\u00e1le d\u016fle\u017eit\u011bj\u0161\u00edm.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">P\u0159\u00ed\u010diny: Kdy a pro\u010d doch\u00e1z\u00ed k v\u00fdpadku proudu?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">elektrick\u00e9 nap\u011bt\u00ed a frekvenci bez nap\u011b\u0165ov\u00fdch \u0161pi\u010dek. <strong>dokonal\u00e1 rovnov\u00e1ha mezi v\u00fdrobou a spot\u0159ebou <\/strong>udr\u017eovat. Frekvence s\u00edt\u011b v n\u011bmeck\u00e9 p\u0159enosov\u00e9 soustav\u011b je<strong> konstanta 50 Hertz<\/strong> \u2013 se znateln\u011b odchyluje, je s\u00ed\u0165 v nerovnov\u00e1ze. Brownout m\u016f\u017ee vzniknout, pokud je tato rovnov\u00e1ha dlouhodob\u011b naru\u0161ena a dostupn\u00e1 regula\u010dn\u00ed v\u00fdkonnost nesta\u010d\u00ed kles\u00e1 korigov\u00e1n\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159ehled \u010dast\u00fdch p\u0159\u00ed\u010din:<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>P\u0159\u00ed\u010dina<\/strong><\/td><td><strong>Vysv\u011btlen\u00ed<\/strong><\/td><\/tr><tr><td>Extr\u00e9mn\u00ed pov\u011btrnostn\u00ed jevy<\/td><td>Vlny veder nebo mrazy zp\u016fsobuj\u00ed prudk\u00fd n\u00e1r\u016fst spot\u0159eby elekt\u0159iny (klimatizace, topen\u00ed)<\/td><\/tr><tr><td>V\u00fdpadky elektr\u00e1ren<\/td><td>Nepl\u00e1novan\u00e9 odstaven\u00ed velk\u00fdch v\u00fdrobn\u00edch jednotek n\u00e1hle sn\u00ed\u017e\u00ed nab\u00eddku.<\/td><\/tr><tr><td>Tmav\u00e9 obdob\u00ed<\/td><td>Del\u0161\u00ed obdob\u00ed bez v\u011btru a slune\u010dn\u00edho svitu v\u00fdrazn\u011b sni\u017euj\u00ed dod\u00e1vky obnoviteln\u00e9 energie.<\/td><\/tr><tr><td>\u00dazk\u00e1 m\u00edsta v s\u00edti <\/td><td>P\u0159et\u00ed\u017een\u00e9 \u00faseky veden\u00ed mohou zp\u016fsobit lok\u00e1ln\u00ed \u00fabytky nap\u011bt\u00ed<\/td><\/tr><tr><td>Poddimenzovan\u00e1 sie\u0165<\/td><td>Ve slab\u011bji vybudovan\u00fdch s\u00edt\u00edch chyb\u00ed pot\u0159ebn\u00e1 regula\u010dn\u00ed kapacita pro zachycen\u00ed v\u00fdkyv\u016f.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Dopady v\u00fdpadku nap\u00e1jen\u00ed na za\u0159\u00edzen\u00ed a spot\u0159ebitele<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Elektronick\u00e1 za\u0159\u00edzen\u00ed reaguj\u00ed na pokles nap\u011bt\u00ed velmi rozd\u00edln\u011b. Obvykle kr\u00e1tkodob\u00e9, m\u00edrn\u00e9 podp\u011bt\u00ed nezp\u016fsob\u00ed trval\u00e9 \u0161kody \u2013 dopady siln\u011b z\u00e1vis\u00ed na d\u00e9lce a hloubce poklesu nap\u011bt\u00ed a na konkr\u00e9tn\u00edm za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pr\u016fmyslov\u00e9 z\u00e1vody a v\u00fdrobn\u00ed stroje <\/strong>Citliv\u00e9 stroje nebo \u0159\u00eddic\u00ed syst\u00e9my mohou hl\u00e1sit chyby, zcela p\u0159eru\u0161it v\u00fdrobn\u00ed procesy nebo produkovat zmetky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Po\u010d\u00edta\u010d, server a IT za\u0159\u00edzen\u00ed: <\/strong>Sestupy nap\u011bt\u00ed mohou v\u00e9st k p\u00e1du syst\u00e9mu, ztr\u00e1t\u011b dat a v ojedin\u011bl\u00fdch p\u0159\u00edpadech k po\u0161kozen\u00ed hardwaru. Za\u0159\u00edzen\u00ed bez vyrovn\u00e1vac\u00ed pam\u011bti (<a href=\"https:\/\/cubeconcepts.de\/cz\/fve-pro-firmy\/\">Za\u0159\u00edzen\u00ed USV<\/a> \u2013 nep\u0159eru\u0161iteln\u00e9 nap\u00e1jen\u00ed) jsou zde nejv\u00edce ohro\u017eeny.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Elektromotory (\u010derpadla a kompresory)<\/strong> jsou zvl\u00e1\u0161t\u011b ohro\u017eeny: P\u0159i poklesu nap\u011bt\u00ed motory odeb\u00edraj\u00ed vy\u0161\u0161\u00ed proud, aby udr\u017eely sv\u016fj v\u00fdkon. To m\u016f\u017ee v\u00e9st k p\u0159eh\u0159\u00edv\u00e1n\u00ed a v krajn\u00edm p\u0159\u00edpad\u011b k po\u0161kozen\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Osv\u011btlen\u00ed: <\/strong>\u017d\u00e1rovky a star\u0161\u00ed zdroje sv\u011btla viditeln\u011b stm\u00edvaj\u00ed. LED \u017e\u00e1rovky s modern\u00edmi nap\u00e1jec\u00edmi zdroji \u010dasto reaguj\u00ed jen st\u011b\u017e\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Za\u0159\u00edzen\u00ed s intern\u00edm nap\u00e1jec\u00edm zdrojem: <\/strong>Modern\u00ed zdroje nap\u00e1jen\u00ed (nap\u0159. v notebooc\u00edch nebo smartphonech) si v\u011bt\u0161inou bez probl\u00e9m\u016f porad\u00ed s m\u00edrn\u00fdmi v\u00fdkyvy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Oslaben\u00ed nap\u011bt\u00ed v N\u011bmecku a Evrop\u011b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V evropsk\u00e9m propojen\u00e9m syst\u00e9mu jsou nadregion\u00e1ln\u00ed v\u00fdpadky proudu velmi vz\u00e1cn\u00e9. N\u011bmeck\u00e1 elektrick\u00e1 s\u00ed\u0165 je pova\u017eov\u00e1na za jednu z nejspolehliv\u011bj\u0161\u00edch na sv\u011bt\u011b \u2013 s pr\u016fm\u011brnou dobou p\u0159eru\u0161en\u00ed <strong>kolem deseti a\u017e patn\u00e1cti minut ro\u010dn\u011b<\/strong> a spot\u0159ebitel\u016f. Ne\u017e dojde k v\u00fdpadku proudu, aktivuje se n\u011bkolik stup\u0148ovit\u00fdch bezpe\u010dnostn\u00edch mechanism\u016f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/cubeconcepts.de\/cz\/zaloha-soucasnosti-s-lepsi-novym-zdrojem-prijmu-v-provozu-ftm\/\">Moment\u00e1ln\u00ed rezerva<\/a>Vyrovn\u00e1v\u00e1 kol\u00eds\u00e1n\u00ed frekvence v rozsahu milisekund <\/li>\n\n\n\n<li>Prim\u00e1rn\u00ed regulace: Elektr\u00e1rny reaguj\u00ed automaticky b\u011bhem n\u011bkolika sekund na odchylky frekvence<\/li>\n\n\n\n<li>Sekund\u00e1rn\u00ed regulace: B\u011bhem n\u011bkolika minut je rovnov\u00e1ha obnovena regula\u010dn\u00ed energi\u00ed<\/li>\n\n\n\n<li>Regulace na terci\u00e1rn\u00edm trhu (minutov\u00e1 rezerva): Dal\u0161\u00ed kapacity elektr\u00e1ren jsou zap\u00edn\u00e1ny p\u0159i pokra\u010duj\u00edc\u00ed nerovnov\u00e1ze.<\/li>\n\n\n\n<li>Redispe\u010dink: Provozovatel\u00e9 s\u00edt\u00ed \u0159\u00edd\u00ed dod\u00e1vky jednotliv\u00fdch elektr\u00e1ren, aby odstranili p\u0159et\u00ed\u017een\u00ed<\/li>\n\n\n\n<li>A\u017e kdy\u017e v\u0161echna tato opat\u0159en\u00ed nesta\u010d\u00ed, p\u0159ich\u00e1z\u00ed na \u0159adu jako posledn\u00ed mo\u017enost sn\u00ed\u017een\u00ed nap\u011bt\u00ed (brownout).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jinak je tomu v n\u011bkter\u00fdch jin\u00fdch zem\u00edch: V Japonsku jsou nap\u0159\u00edklad v\u00fdpadky proudu relativn\u011b \u010dast\u011bj\u0161\u00ed kv\u016fli sm\u00ed\u0161en\u00e9 s\u00ed\u0165ov\u00e9 frekvenci 50 Hz a 60 Hz a region\u00e1ln\u00ed s\u00ed\u0165ov\u00e9 struktu\u0159e. V rozvojov\u00fdch a rozv\u00edjej\u00edc\u00edch se zem\u00edch s poddimenzovan\u00fdmi s\u00edt\u011bmi jsou n\u011bkdy sou\u010d\u00e1st\u00ed ka\u017edodenn\u00edho \u017eivota.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010casto kladen\u00e9 ot\u00e1zky k blackoutu (FAQ)<\/h2>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Jak dlouho trv\u00e1 blackout?<\/strong><\/summary>\n<p class=\"wp-block-paragraph\">Je to velmi variabiln\u00ed. Nekontrolovan\u00e9 poklesy nap\u011bt\u00ed mohou trvat sekundy a\u017e minuty. Kontrolovan\u00e9 sn\u00ed\u017een\u00ed nap\u011bt\u00ed ze strany provozovatel\u016f s\u00edt\u011b m\u016f\u017ee trvat d\u00e9le, p\u0159i\u010dem\u017e prom\u011bnn\u00e9 odst\u00e1vky jsou obvykle omezeny na 90 minut na skupinu odst\u00e1vek.<\/p>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Je p\u0159eru\u0161en\u00ed dod\u00e1vky elekt\u0159iny \u0161kodliv\u00e9 pro elektronick\u00e1 za\u0159\u00edzen\u00ed?<\/strong><\/summary>\n<p class=\"wp-block-paragraph\">V\u011bt\u0161inou ne p\u0159i kr\u00e1tkodob\u00fdch, m\u00edrn\u00fdch v\u00fdpadc\u00edch. Kritick\u00e9 je to u elektromotor\u016f (nebezpe\u010d\u00ed p\u0159eh\u0159\u00e1t\u00ed) a u IT za\u0159\u00edzen\u00ed bez z\u00e1lohov\u00e1n\u00ed (ztr\u00e1ta dat). Zde \u00fa\u010dinnou ochranu poskytuje nep\u0159eru\u0161iteln\u00fd zdroj nap\u00e1jen\u00ed (UPS).<\/p>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Pozn\u00e1 se podp\u011bt\u00ed?<\/strong><\/summary>\n<p class=\"wp-block-paragraph\">V\u011bt\u0161inou ne p\u0159i kr\u00e1tkodob\u00fdch, m\u00edrn\u00fdch v\u00fdpadc\u00edch. Kritick\u00e9 je to u elektromotor\u016f (nebezpe\u010d\u00ed p\u0159eh\u0159\u00e1t\u00ed) a u IT za\u0159\u00edzen\u00ed bez z\u00e1lohov\u00e1n\u00ed (ztr\u00e1ta dat). Zde \u00fa\u010dinnou ochranu poskytuje nep\u0159eru\u0161iteln\u00fd zdroj nap\u00e1jen\u00ed (UPS).<\/p>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Jak\u00fd je rozd\u00edl mezi podp\u011bt\u00edm a v\u00fdpadkem proudu?<\/strong><\/summary>\n<p class=\"wp-block-paragraph\">P\u0159i podp\u011bt\u00ed nap\u011bt\u00ed klesne pod norm\u00e1ln\u00ed hodnotu, ale proud te\u010de d\u00e1l. P\u0159i v\u00fdpadku proudu dojde k \u00fapln\u00e9mu selh\u00e1n\u00ed dod\u00e1vky elekt\u0159iny \u2013 nekontrolovan\u011b a \u010dasto ve velk\u00e9m rozsahu. Podp\u011bt\u00ed m\u016f\u017ee p\u0159edch\u00e1zet v\u00fdpadku proudu nebo mu zabr\u00e1nit, pokud je \u0159\u00edzen\u011b zavedeno.<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>M\u016f\u017ee p\u0159\u00edli\u0161 mnoho dod\u00e1vek obnoviteln\u00e9 energie zp\u016fsobit blackout?<\/strong><\/summary>\n<p class=\"wp-block-paragraph\">Ne. Nadm\u011brn\u00e9 dod\u00e1vky sp\u00ed\u0161e vedou k p\u0159ep\u011bt\u00ed \u2013 tedy k opaku podp\u011bt\u00ed. Podp\u011bt\u00ed v\u017edy znamen\u00e1: p\u0159\u00edli\u0161 n\u00edzk\u00e9 nap\u011bt\u00ed, tedy nerovnov\u00e1ha ve prosp\u011bch spot\u0159eby.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/details>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nutzen Sie unterbrechungsfreie Stromversorgungen (USV) oder Spannungsschutzger\u00e4te, um empfindliche Ger\u00e4te zu sichern. Ein Brownout ist kein Blackout, aber er zeigt, dass das Stromnetz an seine Grenzen st\u00f6\u00dft. Als gezielte Ma\u00dfnahme der Netzbetreiber ist er ein wichtiges Werkzeug, um einen totalen Systemkollaps zu verhindern. Besonders angesichts der wachsenden Anforderungen an das Stromnetz durch die Energiewende lohnt es sich f\u00fcr Verbraucher und Unternehmen, sensible Ger\u00e4te durch unterbrechungsfreie Stromversorgungen (USV) oder Spannungsschutzger\u00e4te zu sichern.<\/p>","protected":false},"excerpt":{"rendered":"<p>Brownout je c\u00edlen\u00e9 nebo ne\u00famysln\u00e9 sn\u00ed\u017een\u00ed nap\u011bt\u00ed v elektrick\u00e9 s\u00edti: nap\u011bt\u00ed klesne pod c\u00edlovou hodnotu, ani\u017e by do\u0161lo k \u00fapln\u00e9mu v\u00fdpadku proudu. Co za t\u00edm stoj\u00ed, jak na to reaguj\u00ed provozovatel\u00e9 s\u00edt\u00ed a co to znamen\u00e1 pro spot\u0159ebitele a za\u0159\u00edzen\u00ed \u2013 stru\u010dn\u011b vysv\u011btleno.<\/p>","protected":false},"author":3,"featured_media":28771,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-28769","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-grundlagen-technik"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Brownout: Definition, Ursachen &amp; Auswirkungen im Stromnetz | CUBE CONCEPTS<\/title>\n<meta name=\"description\" content=\"Was ist ein Brownout? 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