{"id":5068,"date":"2026-01-10T12:04:14","date_gmt":"2026-01-10T12:04:14","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=5068"},"modified":"2026-01-10T12:04:16","modified_gmt":"2026-01-10T12:04:16","slug":"what-is-an-ac-coupled-battery-in-a-home-energy-management-and-storage-system","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/cs\/news\/what-is-an-ac-coupled-battery-in-a-home-energy-management-and-storage-system\/","title":{"rendered":"Co je to baterie se st\u0159\u00eddav\u00fdm proudem v dom\u00e1c\u00edm syst\u00e9mu \u0159\u00edzen\u00ed a skladov\u00e1n\u00ed energie?"},"content":{"rendered":"<p>Co je to baterie se st\u0159\u00eddav\u00fdm proudem v dom\u00e1c\u00edm syst\u00e9mu \u0159\u00edzen\u00ed a skladov\u00e1n\u00ed energie? Je to perfektn\u00ed sol\u00e1rn\u00ed den, dokud nedojde k v\u00fdpadku s\u00edt\u011b a va\u0161e panely se frustruj\u00edc\u00edm zp\u016fsobem nevypnou kv\u016fli povinn\u00fdm bezpe\u010dnostn\u00edm protokol\u016fm proti vylo\u017een\u00ed. Pro st\u00e1vaj\u00edc\u00ed majitele sol\u00e1rn\u00edch panel\u016f nen\u00ed chyb\u011bj\u00edc\u00edm \u010dl\u00e1nkem v\u00fdroba, ale nez\u00e1vislost. Na\u00a0<strong>Baterie p\u0159ipojen\u00e1 na st\u0159\u00eddav\u00fd proud<\/strong>\u00a0je \u010dasto nejprakti\u010dt\u011bj\u0161\u00ed modernizac\u00ed, kter\u00e1 umo\u017e\u0148uje p\u0159idat z\u00e1lo\u017en\u00ed nap\u00e1jen\u00ed bez naru\u0161en\u00ed st\u00e1vaj\u00edc\u00edho nastaven\u00ed, a tento pr\u016fvodce vysv\u011btluje, jak p\u0159in\u00e1\u0161\u00ed skute\u010dnou energetickou odolnost.<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-powerwall-battery-10kwh-kmd-pl48200.png\" alt=\"\" class=\"wp-image-2703\"\/><\/figure><p class=\"has-text-align-center\"><strong><a href=\"https:\/\/www.kmdpower.com\/cs\/10kwh-battery-for-powerwall-home-battery-storage-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power 10kWh baterie Powerwall Home<\/a><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"-what-is-an-ac-coupled-battery-system-\"><strong>Co je to bateriov\u00fd syst\u00e9m se st\u0159\u00eddav\u00fdm proudem?<\/strong><\/h2><h3 class=\"wp-block-heading\" id=\"the-simple-definition\">Jednoduch\u00e1 definice<\/h3><p>.&nbsp;<strong>Syst\u00e9m bateri\u00ed se st\u0159\u00eddav\u00fdm proudem<\/strong>&nbsp;je bateriov\u00e9 \u00falo\u017ei\u0161t\u011b, kter\u00e9 se p\u0159ipojuje k dom\u00e1c\u00ed elektrick\u00e9 s\u00edti.&nbsp;<strong>Zapojen\u00ed st\u0159\u00eddav\u00e9ho proudu<\/strong>&nbsp;(hlavn\u00ed elektrick\u00fd panel), nikoli p\u0159\u00edmo k sol\u00e1rn\u00edm panel\u016fm. M\u00e1 sv\u016fj vlastn\u00ed \"mozek\" - a&nbsp;<strong>bateriov\u00fd m\u011bni\u010d<\/strong>&nbsp;(n\u011bkdy naz\u00fdvan\u00e9ho m\u011bni\u010d), kter\u00fd \u0159\u00edd\u00ed nab\u00edjen\u00ed a vyb\u00edjen\u00ed.<\/p><p>Jednodu\u0161e \u0159e\u010deno: v\u00e1\u0161 sol\u00e1rn\u00ed syst\u00e9m z\u016fstane va\u0161\u00edm sol\u00e1rn\u00edm syst\u00e9mem a baterie se p\u0159id\u00e1 jako samostatn\u00fd syst\u00e9m, kter\u00fd se zapoj\u00ed do elektrick\u00e9 \"sb\u011brnice\" domu.<\/p><p><strong>Sol\u00e1rn\u00ed panely (DC) \u2192 Sol\u00e1rn\u00ed st\u0159\u00edda\u010d (AC) \u2192 Hlavn\u00ed panel (AC sb\u011brnice) \u2192 Bateriov\u00fd st\u0159\u00edda\u010d (DC) \u2192 Baterie (DC)<\/strong><\/p><p>P\u0159i vyb\u00edjen\u00ed baterie se sm\u011br ot\u00e1\u010d\u00ed na m\u011bni\u010di baterie a dod\u00e1v\u00e1 st\u0159\u00eddav\u00fd proud zp\u011bt do panelu.<\/p><h3 class=\"wp-block-heading\" id=\"key-components\">Kl\u00ed\u010dov\u00e9 sou\u010d\u00e1sti<\/h3><ul class=\"wp-block-list\"><li><strong>Bateriov\u00fd m\u011bni\u010d (m\u011bni\u010d pro ukl\u00e1d\u00e1n\u00ed energie):<\/strong>\u00a0Jedn\u00e1 se o br\u00e1nu, kter\u00e1 p\u0159ev\u00e1d\u00ed\u00a0<strong>AC \u2194 DC<\/strong>. Odeb\u00edr\u00e1 p\u0159ebyte\u010dn\u00e9 st\u0159\u00eddav\u00e9 nap\u00e1jen\u00ed z dom\u00e1c\u00edho panelu a p\u0159ev\u00e1d\u00ed je na stejnosm\u011brn\u00e9 pro nab\u00edjen\u00ed baterie, pot\u00e9 p\u0159ev\u00e1d\u00ed stejnosm\u011brn\u00e9 nap\u00e1jen\u00ed zp\u011bt na st\u0159\u00eddav\u00e9, kdy\u017e baterie z\u00e1sobuje dom\u00e1cnost.<\/li>\n\n<li><strong>Chytr\u00fd p\u0159ep\u00edna\u010d \/ br\u00e1na (ostrovn\u00ed za\u0159\u00edzen\u00ed):<\/strong>\u00a0B\u011bhem v\u00fdpadku toto za\u0159\u00edzen\u00ed odpoj\u00ed v\u00e1\u0161 d\u016fm od s\u00edt\u011b (vytvo\u0159\u00ed bezpe\u010dn\u00fd \"ostrov\"), tak\u017ee baterie a sol\u00e1rn\u00ed za\u0159\u00edzen\u00ed mohou pokra\u010dovat v provozu bez zp\u011btn\u00e9ho nap\u00e1jen\u00ed z elektrick\u00e9 s\u00edt\u011b. V r\u016fzn\u00fdch regionech se setk\u00e1te s pojmy jako\u00a0<strong>z\u00e1lo\u017en\u00ed br\u00e1na<\/strong>,\u00a0<strong>automatick\u00fd p\u0159enosov\u00fd sp\u00edna\u010d (ATS)<\/strong>, nebo\u00a0<strong>izola\u010dn\u00ed rel\u00e9 s\u00edt\u011b<\/strong>-stejn\u00fd n\u00e1pad.<\/li><\/ul><p>Z na\u0161ich zku\u0161enost\u00ed s pr\u016fmyslov\u00fdmi klienty, kte\u0159\u00ed instaluj\u00ed sol\u00e1rn\u00ed za\u0159\u00edzen\u00ed + \u00falo\u017ei\u0161t\u011b na mal\u00fdch komer\u010dn\u00edch m\u00edstech (vzd\u00e1len\u00e9 kancel\u00e1\u0159e, kliniky, servisn\u00ed sklady), vypl\u00fdv\u00e1, \u017ee tato architektura \"odd\u011blen\u00e9ho mozku\" \u010dasto umo\u017e\u0148uje integraci bez nutnosti demont\u00e1\u017ee st\u00e1vaj\u00edc\u00edho fotovoltaick\u00e9ho za\u0159\u00edzen\u00ed.<\/p><h2 class=\"wp-block-heading\" id=\"-how-does-ac-coupling-work-step-by-step-flow-\"><strong>Jak funguje AC-Coupling? (Postup krok za krokem)<\/strong><\/h2><ol class=\"wp-block-list\"><li><strong>V\u00fdroba sol\u00e1rn\u00ed energie:<\/strong>\u00a0Panely vyr\u00e1b\u011bj\u00ed stejnosm\u011brn\u00fd proud;\u00a0<strong>sol\u00e1rn\u00ed st\u0159\u00edda\u010d<\/strong>\u00a0p\u0159ev\u00e1d\u00ed na st\u0159\u00eddav\u00fd proud pro pou\u017eit\u00ed v budov\u011b.<\/li>\n\n<li><strong>Vyu\u017eit\u00ed a p\u0159ebytek:<\/strong>\u00a0Budova spot\u0159ebov\u00e1v\u00e1 energii jako prvn\u00ed. Pokud je p\u0159ebytek, proud\u00ed st\u0159\u00eddav\u00fd proud do hlavn\u00edho panelu a je k dispozici pro export do s\u00edt\u011b nebo pro nab\u00edjen\u00ed bateri\u00ed.<\/li>\n\n<li><strong>\"Zp\u011btn\u00e1\" konverze (nab\u00edjen\u00ed):<\/strong>\u00a0Na str\u00e1nk\u00e1ch\u00a0<strong>bateriov\u00fd m\u011bni\u010d<\/strong>\u00a0odeb\u00edr\u00e1 p\u0159ebyte\u010dn\u00fd st\u0159\u00eddav\u00fd proud a p\u0159ev\u00e1d\u00ed jej zp\u011bt na stejnosm\u011brn\u00fd, aby se baterie mohla nab\u00edjet.<\/li>\n\n<li><strong>Vyb\u00edjen\u00ed \/ z\u00e1lohov\u00e1n\u00ed:<\/strong>\u00a0V noci nebo p\u0159i v\u00fdpadku baterie m\u011bni\u010d p\u0159em\u011b\u0148uje stejnosm\u011brn\u00fd proud zp\u011bt na st\u0159\u00eddav\u00fd a nap\u00e1j\u00ed jej.\u00a0<strong>kritick\u00e1 zat\u00ed\u017een\u00ed<\/strong>\u00a0(nebo zat\u00ed\u017een\u00ed cel\u00e9ho domu, v z\u00e1vislosti na konstrukci).<\/li><\/ol><p>Kr\u00e1tk\u00e9 p\u0159irovn\u00e1n\u00ed: Stejnosm\u011brn\u00e9 propojen\u00ed je jako vodovodn\u00ed potrub\u00ed p\u0159\u00edmo ze studny do n\u00e1dr\u017ee. Spojen\u00ed st\u0159\u00eddav\u00fdm proudem je jako pln\u011bn\u00ed n\u00e1dr\u017ee z kohoutku uvnit\u0159 domu - o n\u011bco m\u00e9n\u011b \u00fa\u010dinn\u00e9, ale mnohem snadn\u011bj\u0161\u00ed na dodate\u010dnou mont\u00e1\u017e.<\/p><h2 class=\"wp-block-heading\" id=\"-ac-coupled-vs-dc-coupled-the-head-to-head-comparison-\"><strong>St\u0159\u00eddav\u00fd vs. stejnosm\u011brn\u00fd proud: Srovn\u00e1n\u00ed mezi jednotliv\u00fdmi za\u0159\u00edzen\u00edmi<\/strong><\/h2><p>Zde je z\u00e1sadn\u00ed rozhodnut\u00ed, kter\u00e9mu \u010del\u00ed v\u011bt\u0161ina t\u00fdm\u016f zadavatel\u016f a in\u017een\u00fdr\u016f:&nbsp;<strong>efektivita vs. flexibilita<\/strong>.<\/p><ul class=\"wp-block-list\"><li><strong>Stejnosm\u011brn\u011b v\u00e1zan\u00e9 syst\u00e9my<\/strong>\u00a0p\u0159ipojit sol\u00e1rn\u00ed za\u0159\u00edzen\u00ed a baterii na stejnosm\u011brn\u00e9 stran\u011b (sd\u00edlen\u00e1 stejnosm\u011brn\u00e1 sb\u011brnice). Mohou b\u00fdt velmi efektivn\u00ed - ale obvykle jsou nejlep\u0161\u00ed v p\u0159\u00edpad\u011b\u00a0<strong>nov\u00e9 instalace<\/strong>\u00a0kde ovl\u00e1d\u00e1te celou architekturu.<\/li>\n\n<li><strong>Syst\u00e9my se st\u0159\u00eddav\u00fdm proudem<\/strong>\u00a0p\u0159ipojte baterii na stran\u011b st\u0159\u00eddav\u00e9ho proudu. Obvykle jsou nejlep\u0161\u00ed pro\u00a0<strong>modernizace<\/strong>\u00a0kde ji\u017e PV existuje.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"comparison-table-essential-for-scannability-\">Srovn\u00e1vac\u00ed tabulka (z\u00e1sadn\u00ed pro skenovatelnost)<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Faktor<\/th><th>AC-Coupled<\/th><th>Stejnosm\u011brn\u00fd proud<\/th><\/tr><\/thead><tbody><tr><td><strong>Efektivita<\/strong><\/td><td>Ni\u017e\u0161\u00ed (dodate\u010dn\u00e9 konverze)<\/td><td>Vy\u0161\u0161\u00ed (m\u00e9n\u011b konverz\u00ed)<\/td><\/tr><tr><td><strong>Obt\u00ed\u017enost instalace<\/strong><\/td><td>Snadn\u011bj\u0161\u00ed modernizace<\/td><td>Slo\u017eit\u011bj\u0161\u00ed modernizace<\/td><\/tr><tr><td><strong>N\u00e1klady (modernizace)<\/strong><\/td><td>\u010casto ni\u017e\u0161\u00ed n\u00e1klady na pracovn\u00ed s\u00edlu<\/td><td>\u010casto vy\u0161\u0161\u00ed v d\u016fsledku p\u0159epracov\u00e1n\u00ed<\/td><\/tr><tr><td><strong>N\u00e1klady (nov\u00e1 instalace)<\/strong><\/td><td>Konkuren\u010dn\u00ed, ale m\u011bni\u010d nav\u00edc<\/td><td>\u010casto nejlep\u0161\u00ed celkov\u00e1 \u00fa\u010dinnost\/hodnota<\/td><\/tr><tr><td><strong>\u0160k\u00e1lovatelnost<\/strong><\/td><td>Flexibilita; snadn\u011bj\u0161\u00ed roz\u0161\u00ed\u0159en\u00ed<\/td><td>M\u016f\u017ee b\u00fdt t\u011bsn\u011bj\u0161\u00ed\/z\u00e1visl\u00e9 na zna\u010dce<\/td><\/tr><\/tbody><\/table><\/figure><p>Pokud zad\u00e1v\u00e1te syst\u00e9m pro st\u00e1vaj\u00edc\u00ed fotovoltaickou elektr\u00e1rnu, AC-spojen\u00ed \u010dasto v\u00edt\u011bz\u00ed u\u017e jen z hlediska rizika projektu. M\u00e9n\u011b naru\u0161en\u00ed. M\u00e9n\u011b nezn\u00e1m\u00fdch. A m\u00e9n\u011b \"p\u0159ekvapen\u00ed\" b\u011bhem uv\u00e1d\u011bn\u00ed do provozu.<\/p><h2 class=\"wp-block-heading\" id=\"-why-choose-ac-coupling-the-strategic-benefits-\"><strong>Pro\u010d zvolit AC-Coupling? (Strategick\u00e9 v\u00fdhody)<\/strong><\/h2><h3 class=\"wp-block-heading\" id=\"-the-plug-and-play-retrofit-advantage-\"><strong>V\u00fdhoda \"Plug-and-Play\" p\u0159i modernizaci<\/strong><\/h3><p>V\u011bt\u0161ina st\u00e1vaj\u00edc\u00edch majitel\u016f sol\u00e1rn\u00edch za\u0159\u00edzen\u00ed m\u00e1 nejv\u011bt\u0161\u00ed obavy:&nbsp;<em>\"Budu muset kv\u016fli p\u0159id\u00e1n\u00ed baterie vym\u011bnit st\u0159\u00edda\u010d nebo si pokazit z\u00e1ruku?\"<\/em>&nbsp;Spojen\u00ed st\u0159\u00eddav\u00fdm proudem tomu obvykle p\u0159edch\u00e1z\u00ed. P\u0159id\u00e1v\u00e1te \u00falo\u017ei\u0161t\u011b za fotovoltaick\u00fd syst\u00e9m, nikoliv m\u011bn\u00edte architekturu samotn\u00e9 fotovoltaiky.<\/p><p>To je pro zad\u00e1v\u00e1n\u00ed ve\u0159ejn\u00fdch zak\u00e1zek velk\u00fd probl\u00e9m. Men\u0161\u00ed rozsah, ni\u017e\u0161\u00ed riziko integrace a m\u00e9n\u011b telefon\u00e1t\u016f s dodavateli.<\/p><h3 class=\"wp-block-heading\" id=\"-placement-flexibility-\"><strong>Flexibilita um\u00edst\u011bn\u00ed<\/strong><\/h3><p>Proto\u017ee je baterie p\u0159ipojena k panelu st\u0159\u00eddav\u00e9ho proudu, m\u016f\u017ee b\u00fdt instalov\u00e1na daleko od sol\u00e1rn\u00edho pole. Fotovoltaika na st\u0159e\u0161e, panel ve sklep\u011b, baterie v gar\u00e1\u017ei - \u017e\u00e1dn\u00fd probl\u00e9m. To je u\u017eite\u010dn\u00e9 zejm\u00e9na v Evrop\u011b, kde maj\u00ed star\u0161\u00ed domy omezen\u00e9 mo\u017enosti veden\u00ed, a v USA, kde jsou b\u011b\u017en\u00e9 gar\u00e1\u017ee.<\/p><h3 class=\"wp-block-heading\" id=\"-energy-arbitrage-money-saving-\"><strong>Energetick\u00e1 arbitr\u00e1\u017e (\u00faspora pen\u011bz)<\/strong><\/h3><p>S \u00falo\u017ei\u0161t\u011bm spojen\u00fdm se st\u0159\u00eddav\u00fdm proudem m\u016f\u017eete nab\u00edjet baterii ze s\u00edt\u011b, kdy\u017e jsou sazby n\u00edzk\u00e9, a vyb\u00edjet ji b\u011bhem drah\u00fdch \u0161pi\u010dek - klasick\u00fd zp\u016fsob.&nbsp;<strong>Posunut\u00ed doby spot\u0159eby (TOU)<\/strong>&nbsp;nebo&nbsp;<strong>energetick\u00e1 arbitr\u00e1\u017e<\/strong>. Sol\u00e1rn\u00ed energie pom\u00e1h\u00e1, ale nen\u00ed pro tuto v\u00fdhodu nutn\u00e1.<\/p><p>To m\u00e1 v\u00fdznam v regionech se silnou cenovou politikou TOU nebo poplatky za odb\u011br (zejm\u00e9na pro lehk\u00e9 komer\u010dn\u00ed objekty).<\/p><h3 class=\"wp-block-heading\" id=\"-redundancy-\"><strong>Redundance<\/strong><\/h3><p>P\u0159ipojen\u00ed st\u0159\u00eddav\u00e9ho proudu m\u016f\u017ee vytvo\u0159it praktickou formu redundance: pokud sel\u017ee sol\u00e1rn\u00ed st\u0159\u00edda\u010d, baterie se m\u016f\u017ee st\u00e1le nab\u00edjet ze s\u00edt\u011b a poskytovat z\u00e1lohu. Pokud m\u00e1 probl\u00e9m bateriov\u00fd st\u0159\u00edda\u010d, m\u016f\u017ee sol\u00e1rn\u00ed syst\u00e9m pokra\u010dovat v norm\u00e1ln\u00edm provozu, kdy\u017e je s\u00ed\u0165 v provozu.<\/p><p>Pro kritick\u00e9 u\u017eivatele - dom\u00e1c\u00ed kancel\u00e1\u0159e, kliniky, vzd\u00e1len\u00e9 komunikace - je toto odd\u011blen\u00ed funkc\u00ed, nikoli komplikac\u00ed.<\/p><h2 class=\"wp-block-heading\" id=\"-the-honest-drawbacks-what-salesmen-won-t-tell-you-\"><strong>Poctiv\u00e9 nev\u00fdhody: Co v\u00e1m prodejci ne\u0159eknou<\/strong><\/h2><h3 class=\"wp-block-heading\" id=\"-the-efficiency-penalty-\"><strong>Trest za efektivitu<\/strong><\/h3><p>U syst\u00e9m\u016f se st\u0159\u00eddav\u00fdm nap\u00e1jen\u00edm \u010dasto doch\u00e1z\u00ed k \"trojit\u00e9 konverzi\" b\u011bhem z\u00e1lo\u017en\u00edho provozu:<\/p><p><strong>stejnosm\u011brn\u00fd proud (fotovoltaika) \u2192 st\u0159\u00eddav\u00fd proud (st\u0159\u00edda\u010d fotovoltaiky) \u2192 stejnosm\u011brn\u00fd proud (nab\u00edjen\u00ed baterie) \u2192 st\u0159\u00eddav\u00fd proud (st\u0159\u00edda\u010d baterie)<\/strong><\/p><p>To zvy\u0161uje ztr\u00e1ty. Ve srovn\u00e1n\u00ed se stejnosm\u011brn\u00fdm spojen\u00edm m\u016f\u017eete v re\u00e1ln\u00e9m vyj\u00e1d\u0159en\u00ed vid\u011bt zhruba&nbsp;<strong>5-10% ni\u017e\u0161\u00ed \u00fa\u010dinnost<\/strong>, v z\u00e1vislosti na v\u00fdkonu m\u011bni\u010de a provozn\u00edch podm\u00ednk\u00e1ch. Nen\u00ed to katastrofick\u00e9, ale je to re\u00e1ln\u00e9 - a v pr\u016fb\u011bhu let to ovliv\u0148uje ekonomiku.<\/p><h3 class=\"wp-block-heading\" id=\"-solar-clipping-\"><strong>Sol\u00e1rn\u00ed st\u0159\u00edh\u00e1n\u00ed<\/strong><\/h3><p>Pokud je sol\u00e1rn\u00ed soustava velk\u00e1, nemus\u00ed b\u00fdt bateriov\u00fd st\u0159\u00edda\u010d schopen absorbovat ve\u0161ker\u00fd p\u0159ebyte\u010dn\u00fd v\u00fdkon ve \u0161pi\u010dce v\u00fdroby. V\u00fdsledkem m\u016f\u017ee b\u00fdt&nbsp;<strong>v\u00fdst\u0159i\u017eek<\/strong>-sol\u00e1rn\u00ed energie je omezena, proto\u017ee p\u0159ebyte\u010dn\u00e1 energie nem\u00e1 kam j\u00edt.<\/p><p>\u010casto je to \u0159e\u0161iteln\u00e9 lep\u0161\u00edm dimenzov\u00e1n\u00edm (nebo povolenkami na export), ale je to omezen\u00ed n\u00e1vrhu, kter\u00e9 by m\u011bly t\u00fdmy pro zad\u00e1v\u00e1n\u00ed zak\u00e1zek potvrdit v\u010das.<\/p><h3 class=\"wp-block-heading\" id=\"-equipment-cost-\"><strong>N\u00e1klady na vybaven\u00ed<\/strong><\/h3><p>Kupujete druh\u00fd st\u0159\u00edda\u010d a \u010dasto i chytrou br\u00e1nu. To zvy\u0161uje n\u00e1klady na hardware ve srovn\u00e1n\u00ed s t\u011bsn\u011b integrovanou konstrukc\u00ed se stejnosm\u011brn\u00fdm nap\u00e1jen\u00edm.<\/p><p>Srovn\u00e1n\u00ed je zde jednoduch\u00e9:<\/p><ul class=\"wp-block-list\"><li><strong>Stejnosm\u011brn\u00fd proud<\/strong>\u00a0\u010dasto v\u00edt\u011bz\u00ed z hlediska dlouhodob\u00e9 \u00fa\u010dinnosti a \u010dist\u0161\u00ed architektury (zejm\u00e9na u novostaveb).<\/li>\n\n<li><strong>P\u0159ipojen\u00ed na st\u0159\u00eddav\u00fd proud<\/strong>\u00a0\u010dasto v\u00edt\u011bz\u00ed v oblasti n\u00e1klad\u016f na modernizaci, sn\u00ed\u017een\u00ed pracnosti a sn\u00ed\u017een\u00ed rizika projektu.<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"-decision-checklist-is-ac-coupled-right-for-you-\"><strong>Kontroln\u00ed seznam pro rozhodov\u00e1n\u00ed: Je pro v\u00e1s AC-Coupled to prav\u00e9?<\/strong><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Rozhodovac\u00ed ot\u00e1zka (sc\u00e9n\u00e1\u0159)<\/strong><\/th><th><strong>Doporu\u010den\u00e1 cesta (pokud je odpov\u011b\u010f \"Ano\")<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>M\u00e1te ji\u017e nainstalovan\u00fd sol\u00e1rn\u00ed syst\u00e9m?<\/strong><\/td><td><strong>AC-Coupled<\/strong><\/td><\/tr><tr><td><strong>Jste spokojeni se sv\u00fdm sou\u010dasn\u00fdm sol\u00e1rn\u00edm st\u0159\u00edda\u010dem?<\/strong><\/td><td><strong>AC-Coupled<\/strong><\/td><\/tr><tr><td><strong>Pl\u00e1nujete pozd\u011bji syst\u00e9m roz\u0161\u00ed\u0159it nebo p\u0159idat elektromobil?<\/strong><\/td><td><strong>AC-Coupled<\/strong><\/td><\/tr><tr><td><strong>Stav\u00edte zcela novou chatu mimo s\u00ed\u0165?<\/strong><\/td><td><strong>Stejnosm\u011brn\u00fd proud<\/strong><\/td><\/tr><\/tbody><\/table><\/figure><p>Pokud modernizujete st\u00e1vaj\u00edc\u00ed fotovoltaick\u00fd syst\u00e9m v\u00e1zan\u00fd na s\u00ed\u0165, je p\u0159ipojen\u00ed st\u0159\u00eddav\u00e9ho proudu velmi \u010dasto pragmatickou volbou. Ne v\u017edy je to \"dokonal\u00e1 technick\u00e1 volba\", ale \u010dasto je to nejlep\u0161\u00ed volba v re\u00e1ln\u00e9m sv\u011bt\u011b.<\/p><h2 class=\"wp-block-heading\" id=\"-conclusion-\"><strong>Z\u00e1v\u011br<\/strong><\/h2><p>Spojen\u00ed st\u0159\u00eddav\u00e9ho proudu je nesporn\u00fdm \u0161ampionem v oblasti modernizace, kter\u00fd vym\u011bn\u00ed kousek \u00fa\u010dinnosti za \u010distou cestu integrace, kter\u00e1 nep\u0159evr\u00e1t\u00ed v\u00e1\u0161 elektrick\u00fd syst\u00e9m vzh\u016fru nohama. Nam\u00edsto dohad\u016f o kompatibilit\u011b se s n\u00e1mi pod\u011blte o model st\u0159\u00edda\u010de a seznam z\u00e1t\u011b\u017e\u00ed - ov\u011b\u0159\u00edme proveditelnost a pom\u016f\u017eeme v\u00e1m stanovit obhajitelnou specifikaci.\u00a0<strong><a href=\"https:\/\/www.kmdpower.com\/cs\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kontaktujte n\u00e1s<\/a><\/strong>\u00a0pro <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/power-wall\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0159e\u0161en\u00ed dom\u00e1c\u00ed baterie na m\u00edru<\/a><\/strong>.<\/p><h2 class=\"wp-block-heading\" id=\"-faq-\"><strong>\u010cASTO KLADEN\u00c9 DOTAZY<\/strong><\/h2><h3 class=\"wp-block-heading\" id=\"-can-i-add-an-ac-battery-to-any-brand-of-solar-inverter-\"><strong>Mohu p\u0159idat st\u0159\u00eddavou baterii do&nbsp;<em>jak\u00fdkoli<\/em>&nbsp;zna\u010dka sol\u00e1rn\u00edho st\u0159\u00edda\u010de?<\/strong><\/h3><p>V\u011bt\u0161inou ano. Jednotky p\u0159ipojen\u00e9 na st\u0159\u00eddav\u00fd proud se p\u0159ipojuj\u00ed k hlavn\u00edmu panelu, tak\u017ee ignoruj\u00ed zna\u010dku sol\u00e1rn\u00edho m\u011bni\u010de. Jedin\u00fdm z\u00e1drhelem je z\u00e1lo\u017en\u00ed re\u017eim: v\u00e1\u0161 st\u00e1vaj\u00edc\u00ed sol\u00e1rn\u00ed st\u0159\u00edda\u010d mus\u00ed podporovat&nbsp;<strong>frekven\u010dn\u00ed posun<\/strong>&nbsp;sn\u00ed\u017eit v\u00fdkon, kdy\u017e dojde k v\u00fdpadku s\u00edt\u011b. Pokud je p\u0159\u00edli\u0161 star\u00e1, jednodu\u0161e se vypne.<\/p><h3 class=\"wp-block-heading\" id=\"-does-an-ac-coupled-battery-work-if-the-grid-is-down-\"><strong>Funguje baterie p\u0159ipojen\u00e1 na st\u0159\u00eddav\u00fd proud, kdy\u017e je s\u00ed\u0165 mimo provoz?<\/strong><\/h3><p>Ne - pokud si nenainstalujete&nbsp;<strong>br\u00e1na<\/strong>&nbsp;(izola\u010dn\u00ed sp\u00edna\u010d). Syst\u00e9m mus\u00ed fyzicky p\u0159eru\u0161it p\u0159ipojen\u00ed k s\u00edti, aby vyhov\u011bl p\u0159edpis\u016fm proti odpojen\u00ed. Bez tohoto hardwaru z\u016fst\u00e1v\u00e1 baterie v ne\u010dinnosti, aby chr\u00e1nila pracovn\u00edky energetick\u00fdch slu\u017eeb. Nebude nap\u00e1jet nic, bez ohledu na to, jak je pln\u00e1.<\/p><h3 class=\"wp-block-heading\" id=\"-how-much-efficiency-do-i-really-lose-with-ac-coupling-\"><strong>Jakou \u00fa\u010dinnost skute\u010dn\u011b ztr\u00e1c\u00edm spojen\u00edm st\u0159\u00eddav\u00e9ho proudu?<\/strong><\/h3><p>Pl\u00e1nujte ztr\u00e1tu&nbsp;<strong>5-10%<\/strong>&nbsp;oproti stejnosm\u011brn\u00fdm syst\u00e9m\u016fm. Je to nevyhnuteln\u00e1 termodynamick\u00e1 ztr\u00e1ta z \"trojit\u00e9 konverze\" (DC\u2192AC\u2192DC\u2192AC). V podstat\u011b vym\u011bn\u00edte tuto malou ztr\u00e1tu \u00fa\u010dinnosti za to, \u017ee nemus\u00edte p\u0159epojovat cel\u00e9 sol\u00e1rn\u00ed pole.<\/p><h3 class=\"wp-block-heading\" id=\"-is-the-tesla-powerwall-ac-or-dc-coupled-\"><strong>Je Tesla Powerwall p\u0159ipojen na st\u0159\u00eddav\u00fd nebo stejnosm\u011brn\u00fd proud?<\/strong><\/h3><p>Powerwall je u\u010debnicovou definic\u00ed&nbsp;<strong>P\u0159ipojen\u00ed na st\u0159\u00eddav\u00fd proud<\/strong>. Je vybaven intern\u00edm m\u011bni\u010dem a je p\u0159ipojen k dom\u00e1c\u00ed sb\u011brnici st\u0159\u00eddav\u00e9ho proudu. A\u010dkoli nov\u00fd Powerwall 3 p\u0159id\u00e1v\u00e1 stejnosm\u011brn\u00e9 sol\u00e1rn\u00ed vstupy, pro v\u011bt\u0161inu st\u00e1vaj\u00edc\u00edch dom\u016f jej instalat\u00e9\u0159i pova\u017euj\u00ed za za\u0159\u00edzen\u00ed pro st\u0159\u00eddav\u00fd proud.<\/p>","protected":false},"excerpt":{"rendered":"<p>Co je to baterie se st\u0159\u00eddav\u00fdm proudem v dom\u00e1c\u00edm syst\u00e9mu \u0159\u00edzen\u00ed a skladov\u00e1n\u00ed energie? Je to perfektn\u00ed sol\u00e1rn\u00ed den, dokud nedojde k v\u00fdpadku s\u00edt\u011b a va\u0161e panely se frustruj\u00edc\u00edm zp\u016fsobem nevypnou kv\u016fli povinn\u00fdm bezpe\u010dnostn\u00edm protokol\u016fm proti vylo\u017een\u00ed. Pro st\u00e1vaj\u00edc\u00ed majitele sol\u00e1rn\u00edch panel\u016f nen\u00ed chyb\u011bj\u00edc\u00edm \u010dl\u00e1nkem v\u00fdroba, ale nez\u00e1vislost. Baterie se st\u0159\u00eddav\u00fdm proudem je \u010dasto nejprakti\u010dt\u011bj\u0161\u00edm dodate\u010dn\u00fdm vybaven\u00edm, kter\u00e9 p\u0159id\u00e1 z\u00e1lo\u017en\u00ed...<\/p>","protected":false},"author":1,"featured_media":2703,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[19,26],"tags":[],"class_list":["post-5068","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news_catalog","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/5068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/comments?post=5068"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/5068\/revisions"}],"predecessor-version":[{"id":5069,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/5068\/revisions\/5069"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media\/2703"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media?parent=5068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/categories?post=5068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/tags?post=5068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}