{"id":27158,"date":"2026-02-12T10:36:40","date_gmt":"2026-02-12T09:36:40","guid":{"rendered":"https:\/\/cubeconcepts.de\/?p=27158"},"modified":"2026-05-18T14:52:20","modified_gmt":"2026-05-18T12:52:20","slug":"navratnost-ucinnosti-rte-stav-baterie-soh-bei-bess","status":"publish","type":"post","link":"https:\/\/cubeconcepts.de\/cz\/round-trip-efficiency-rte-state-of-health-soh-bei-bess\/","title":{"rendered":"Round-Trip-Efficiency (RTE) &amp; State of Health (SoH) bei BESS"},"content":{"rendered":"<p>U syst\u00e9m\u016f pro ukl\u00e1d\u00e1n\u00ed energie z bateri\u00ed (BESS)&nbsp;<strong>\u00da\u010dinnost zp\u00e1te\u010dn\u00ed cesty (RTE)<\/strong>&nbsp;a&nbsp;<strong>Stav zdrav\u00ed<\/strong>&nbsp;kl\u00ed\u010dov\u00e9 ukazatele pro ekonomiku a \u017eivotnost. Zat\u00edmco RTE m\u011b\u0159\u00ed celkovou \u00fa\u010dinnost cyklu nab\u00edjen\u00ed-vyb\u00edjen\u00ed (typicky <strong>94\u201398%<\/strong> u modern\u00edch Li-Ion syst\u00e9m\u016f), SoH ud\u00e1v\u00e1, kolik z p\u016fvodn\u00ed kapacity z\u016fst\u00e1v\u00e1 po letech provozu. Tyto kl\u00ed\u010dov\u00e9 ukazatele v\u00fdkonnosti (KPI) p\u0159\u00edmo ur\u010duj\u00ed ziskovost p\u0159i obchodov\u00e1n\u00ed s elekt\u0159inou, regulaci frekvence nebo ukl\u00e1d\u00e1n\u00ed energie z FVE \u2013 vedle dal\u0161\u00edch, jako je State of Charge (SoC), Depth of Discharge (DoD) a Self-Discharge Rate.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je to efektivita zp\u00e1te\u010dn\u00ed cesty (RTE)?<\/h2>\n\n\n\n<p>Round-trip \u00fa\u010dinnost (RTE) popisuje celkovou \u00fa\u010dinnost energetick\u00e9ho \u00falo\u017ei\u0161t\u011b b\u011bhem cel\u00e9ho cyklu nab\u00edjen\u00ed a vyb\u00edjen\u00ed. Konkr\u00e9tn\u011b RTE p\u0159edstavuje pom\u011br dodan\u00e9 energie (p\u0159i vyb\u00edjen\u00ed) k p\u0159ijat\u00e9 energii (p\u0159i nab\u00edjen\u00ed), vyj\u00e1d\u0159eno v procentech.<\/p>\n\n\n\n<p>Rovnice: RTE = Energetick\u00fd v\u00fdstup <strong>\u00f7<\/strong> Vstup energie X 100<\/p>\n\n\n\n<p><strong>P\u0159\u00edpadov\u00e1 studie<\/strong>: P\u0159i 1 MWh nabit\u00e9 energie poskytne syst\u00e9m s \u00fa\u010dinnost\u00ed 95,1 % po ode\u010dten\u00ed ztr\u00e1t (nap\u0159. p\u0159i p\u0159em\u011bn\u011b, tepeln\u00e9 ztr\u00e1ty) 950 kWh \u2013 zb\u00fdvaj\u00edc\u00edch 50 kWh se ztrat\u00ed. Modern\u00ed syst\u00e9my s LFP \u010dl\u00e1nky a SiC m\u011bni\u010di \u010dasto dosahuj\u00ed \u00fa\u010dinnosti p\u0159es 97,1 %.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"264\" src=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-RTE-1024x264.jpg\" alt=\"\" class=\"wp-image-27159\" srcset=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-RTE-1024x264.jpg 1024w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-RTE-300x77.jpg 300w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-RTE-768x198.jpg 768w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-RTE-18x5.jpg 18w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-RTE.jpg 1277w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Hodnota RTE je ovlivn\u011bna faktory, jako je model baterie, teplota, rychlost nab\u00edjen\u00ed\/vyb\u00edjen\u00ed (C-rate) a po\u010det cykl\u016f. Vnit\u0159n\u00ed odpory, voltametrick\u00e9 jevy, elektrochemick\u00e9 reakce a \u00fabytky materi\u00e1lu na elektrod\u00e1ch zp\u016fsobuj\u00ed energetick\u00e9 ztr\u00e1ty, kter\u00e9 se s pou\u017e\u00edv\u00e1n\u00edm zvy\u0161uj\u00ed. Hlavn\u00ed vlivy na \u00fa\u010dinnost zp\u00e1te\u010dn\u00edho cyklu (Round-Trip Efficiency) jsou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chemie bateri\u00ed<\/strong>P\u0159i v\u00fdb\u011bru chemie bateri\u00ed je t\u0159eba db\u00e1t na \u00fa\u010dinnost<\/li>\n\n\n\n<li><strong>C\u2011rychlost<\/strong>R\u016fzn\u00e9 typy bun\u011bk maj\u00ed r\u016fzn\u00e9 rychlosti nab\u00edjen\u00ed a vyb\u00edjen\u00ed<\/li>\n\n\n\n<li><strong>Teplota<\/strong>: Extr\u00e9mn\u00ed horko nebo chlad sni\u017euj\u00ed \u00fa\u010dinnost chemick\u00e9ho procesu o 5\u201310 %<\/li>\n\n\n\n<li><strong>Klimatizace<\/strong>: Chlazen\u00ed a vyt\u00e1p\u011bn\u00ed syst\u00e9mu BESS m\u016f\u017ee zhor\u0161it hodnotu RTE o 2\u2013191 TP6T<\/li>\n\n\n\n<li><strong>M\u011bni\u010d<\/strong>: P\u0159i p\u0159evodu stejnosm\u011brn\u00e9ho proudu na st\u0159\u00eddav\u00fd mohou vzniknout ztr\u00e1ty v rozmez\u00ed 4\u201371 %<\/li>\n\n\n\n<li><strong>St\u00e1rnut\u00ed\/Stav nabit\u00ed a hloubka vybit\u00ed<\/strong>: Ztr\u00e1ty 21 TP6T za rok, hlubok\u00e9 vybit\u00ed (&gt;80 % hloubky vybit\u00ed) zvy\u0161uje ztr\u00e1ty<\/li>\n\n\n\n<li><strong>Syst\u00e9mov\u00fd n\u00e1vrh<\/strong>: \u0160patn\u00e1 vyv\u00e1\u017eenost nebo vysok\u00e1 spot\u0159eba IT sni\u017euj\u00ed RTE o 5\u2013151 TP6T<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Co je stav baterie (State of Health - SoH)?<\/h2>\n\n\n\n<p>Stav nabit\u00ed (State of Health - SoH) popisuje <strong>Zdravotn\u00ed stav<\/strong> jeden stavu baterie v porovn\u00e1n\u00ed s jej\u00edm nov\u00fdm stavem a obvykle se uv\u00e1d\u00ed v procentech. Konkr\u00e9tn\u011b se vztahuje ke schopnosti bateriov\u00e9ho syst\u00e9mu (BESS) plnit sv\u00e9 p\u016fvodn\u011b stanoven\u00e9 funkce a v\u00fdkonnost. To znamen\u00e1, \u017ee SoH ud\u00e1v\u00e1, kolik z p\u016fvodn\u011b vyu\u017eiteln\u00e9 kapacity, v\u00fdkonu nebo hustoty energie je po ur\u010dit\u00e9 dob\u011b provozu st\u00e1le k dispozici.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"312\" src=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoH-1024x312.jpg\" alt=\"\" class=\"wp-image-27160\" srcset=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoH-1024x312.jpg 1024w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoH-300x91.jpg 300w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoH-768x234.jpg 768w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoH-18x5.jpg 18w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoH.jpg 1273w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>SoH se obvykle odvozuje na z\u00e1klad\u011b krit\u00e9ri\u00ed, jako je zb\u00fdvaj\u00edc\u00ed kapacita (nap\u0159. 901 TP6T nam\u00edsto p\u016fvodn\u00edch 1001 TP6T), n\u00e1r\u016fst vnit\u0159n\u00edho odporu a zm\u011bny v pr\u016fb\u011bhu nap\u011bt\u00ed \u010di RTE. Hodnota SoH 801 TP6T v praxi znamen\u00e1, \u017ee syst\u00e9m dod\u00e1v\u00e1 ji\u017e pouze <strong>80% p\u016fvodn\u00ed<\/strong><strong>nevyhovuj\u00edc\u00ed skladovac\u00ed kapacita<\/strong><strong>j\u00edst<\/strong>, a\u010dkoli <strong>stejn\u00e1 nab\u00edjec\u00ed energie<\/strong> kter\u00e9 mus\u00ed b\u00fdt vynalo\u017eeny \u2013 to se p\u0159\u00edmo prom\u00edtne do v\u00fdnos\u016f a provozn\u00edch strategi\u00ed.<\/p>\n\n\n\n<p>B\u011bhem provozu SOH neust\u00e1le kles\u00e1 v d\u016fsledku st\u00e1rnut\u00ed mechanismy, jako jsou <strong>elektrochemick\u00e1 degradace<\/strong>, <strong>r\u016fst vrstvy SEI<\/strong> (N\u00e1nosy na anod\u011b), <strong>Ztr\u00e1ta aktivn\u00edho elektrodov\u00e9ho materi\u00e1lu<\/strong>, <strong>mechanick\u00e1 nap\u011bt\u00ed<\/strong> a <strong>Teplotn\u00ed stres<\/strong>. Vlivov\u00fdmi veli\u010dinami jsou mimo jin\u00e9 po\u010det cykl\u016f, hloubka vybit\u00ed (Depth of Discharge, DoD), C-rychlost, st\u0159edn\u00ed stav nabit\u00ed (State of Charge, SoC) a teplotn\u00ed okno.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dal\u0161\u00ed d\u016fle\u017eit\u00e1 metrika pro BESS<\/h2>\n\n\n\n<p>Krom\u011b \u00fa\u010dinnosti zp\u00e1te\u010dn\u00ed cesty (RTE) a stavu nabit\u00ed (SoH) jsou pro efektivn\u00ed provoz bateriov\u00fdch syst\u00e9m\u016f pro ukl\u00e1d\u00e1n\u00ed energie (BESS), jejich monitorov\u00e1n\u00ed a ekonomickou optimalizaci nezbytn\u00e9 n\u00e1sleduj\u00edc\u00ed kl\u00ed\u010dov\u00e9 ukazatele v\u00fdkonnosti (KPI).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Stav nabit\u00ed<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"262\" src=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoC-1024x262.jpg\" alt=\"\" class=\"wp-image-27162\" srcset=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoC-1024x262.jpg 1024w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoC-300x77.jpg 300w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoC-768x196.jpg 768w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoC-18x5.jpg 18w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SoC.jpg 1275w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Na str\u00e1nk\u00e1ch&nbsp;<strong>Stav nabit\u00ed<\/strong>&nbsp;ud\u00e1v\u00e1 aktu\u00e1ln\u00ed stav nabit\u00ed baterie jako procentu\u00e1ln\u00ed pod\u00edl (0\u2013100 %) z u\u017eitn\u00e9 kapacity \u2013 v podstat\u011b \u201cstav paliva\u201d. Je vypo\u010d\u00edt\u00e1v\u00e1n pomoc\u00ed algoritm\u016f (nap\u0159. coulombova metoda, m\u011b\u0159en\u00ed nap\u011bt\u00ed nebo Kalman\u016fv filtr) v syst\u00e9mu \u0159\u00edzen\u00ed baterie (BMS). Optim\u00e1ln\u00ed provoz se pohybuje v rozmez\u00ed 20\u201380 % SoC, aby se minimalizovala degradace; extr\u00e9mn\u00ed hodnoty (0 % nebo 100 %) zkracuj\u00ed \u017eivotnost.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hloubka vybit\u00ed (DoD)<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"271\" src=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-DoD-1024x271.jpg\" alt=\"\" class=\"wp-image-27163\" srcset=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-DoD-1024x271.jpg 1024w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-DoD-300x79.jpg 300w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-DoD-768x203.jpg 768w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-DoD-18x5.jpg 18w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-DoD.jpg 1276w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Na str\u00e1nk\u00e1ch&nbsp;<strong>Hloubka vybit\u00ed (DoD)<\/strong>&nbsp;popisuje relativn\u00ed hloubku vybit\u00ed v r\u00e1mci jednoho cyklu, nap\u0159. 80 % DoD znamen\u00e1 vybit\u00ed z 100 % SoC na 20 % SoC. Vy\u0161\u0161\u00ed DoD zvy\u0161uj\u00ed vyu\u017eitelnou energii na cyklus, ale zvy\u0161uj\u00ed pokles SoH (nap\u0159. 90 % DoD obvykle sni\u017euje po\u010det cykl\u016f na polovinu). Doporu\u010den\u00ed pro LFP-BESS: 80\u201390 % DoD pro <strong>Rovnov\u00e1ha mezi kapacitou a \u017eivotnost\u00ed<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00edra samovyb\u00edjen\u00ed (SDR)<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"294\" src=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SDR-1024x294.jpg\" alt=\"\" class=\"wp-image-27164\" srcset=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SDR-1024x294.jpg 1024w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SDR-300x86.jpg 300w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SDR-768x221.jpg 768w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SDR-18x5.jpg 18w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2026\/02\/Grafik-SDR.jpg 1274w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Na str\u00e1nk\u00e1ch <strong>M\u00edra samovyb\u00edjen\u00ed<\/strong> m\u011b\u0159\u00ed pasivn\u00ed ztr\u00e1tu kapacity v klidu (nap\u0159. 1\u20133 % za m\u011bs\u00edc u lithium-iontov\u00fdch bateri\u00ed, u olov\u011bn\u00fdch bateri\u00ed je tato hodnota vy\u0161\u0161\u00ed). K t\u00e9to ztr\u00e1t\u011b doch\u00e1z\u00ed v d\u016fsledku vnit\u0159n\u00edch chemick\u00fdch reakc\u00ed a odpor\u016f vodi\u010d\u016f. Minimalizace prost\u0159ednictv\u00edm n\u00edzk\u00e9ho stavu nabit\u00ed (SoC) (cca 30\u201350 %), regulace teploty (&lt;25 \u00b0C) a pravideln\u00e9ho vyva\u017eov\u00e1n\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">P\u0159ehled kl\u00ed\u010dov\u00fdch metrik BESS:<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Kl\u00ed\u010dov\u00e9 \u010d\u00edslo<\/strong><\/td><td><strong>zkratka<\/strong><\/td><td><strong>M\u011b\u0159iteln\u00e1 veli\u010dina<\/strong><\/td><td><strong>Typ. Hodnoty BESS<\/strong><\/td><td><strong>Vliv na syst\u00e9m<\/strong><\/td><\/tr><tr><td>\u00da\u010dinnost zp\u00e1te\u010dn\u00ed cesty<\/td><td>RTE<\/td><td>Energetick\u00fd pom\u011br<\/td><td>94\u201398 %<\/td><td>Ekonomick\u00e1 efektivita<\/td><\/tr><tr><td>Zdravotn\u00ed stav<\/td><td>SoH<\/td><td>P\u0159et\u00ed\u017een\u00ed kapacity<\/td><td>&gt; 80 % po 10 letech.<\/td><td>Dlouhov\u011bkost<\/td><\/tr><tr><td>Stav nabit\u00ed<\/td><td>SoC<\/td><td>Aktu\u00e1ln\u00ed stav nabit\u00ed<\/td><td>20\u201380, % (optim\u00e1ln\u00ed)<\/td><td>Provozn\u00ed bezpe\u010dnost<\/td><\/tr><tr><td>Hloubka vybit\u00ed<\/td><td>Ministerstvo obrany<\/td><td>Hloubka vybit\u00ed<\/td><td>80\u201390 %<\/td><td>\u017divotnost cykl\u016f<\/td><\/tr><tr><td>M\u00edra samovyb\u00edjen\u00ed<\/td><td>SDR<\/td><td>Ztr\u00e1ty klidu<\/td><td>1\u20132 % za m\u011bs\u00edc<\/td><td>Pohotovostn\u00ed spot\u0159eba<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Technologick\u00e9 pokroky v RTE a SoH<\/h2>\n\n\n\n<p>Posledn\u00edch deset let ukazuje v\u00fdrazn\u00fd technologick\u00fd skok ve v\u00fdkonu a stabilit\u011b st\u00e1rnut\u00ed bateriov\u00fdch syst\u00e9m\u016f. Zat\u00edmco syst\u00e9my kolem roku 2016 celkov\u011b \u010dasto dosahovaly jen p\u0159ibli\u017en\u011b <strong>75 % a\u017e 82 % RTE<\/strong> dos\u00e1hly, dne\u0161n\u00ed velkokapacitn\u00ed akumul\u00e1tory se obvykle pohybuj\u00ed v rozmez\u00ed 88\u201394 % \u00fa\u010dinnosti st\u0159\u00eddav\u00e9ho proudu. Nejmodern\u011bj\u0161\u00ed pr\u00e9miov\u00e9 syst\u00e9my dokonce p\u0159ekra\u010duj\u00ed 92 % \u00fa\u010dinnosti st\u0159\u00eddav\u00e9ho proudu a v optimalizovan\u00fdch konfigurac\u00edch mohou dosahovat hodnot RTE <strong>a\u017e t\u00e9m\u011b\u0159 98 %<\/strong> zna\u010dn\u00e9 pokroky. Hlavn\u00edmi hnac\u00edmi silami jsou pokroky ve v\u00fdkonov\u00e9 elektronice \u2013 zejm\u00e9na polovodi\u010de SiC a GaN \u2013 a tak\u00e9 efektivn\u011bj\u0161\u00ed tepeln\u00e1 \u0159e\u0161en\u00ed, jako je kapalinov\u00e9 chlazen\u00ed, kter\u00e9 v\u00fdrazn\u011b sni\u017euj\u00ed vlastn\u00ed spot\u0159ebu.<\/p>\n\n\n\n<p>Soub\u011b\u017en\u011b se v\u00fdrazn\u011b zlep\u0161ila stabilita st\u00e1rnut\u00ed neboli stav nabit\u00ed (SoH). Zat\u00edmco stacion\u00e1rn\u00ed \u00falo\u017ei\u0161t\u011b d\u0159\u00edve v\u011bt\u0161inou dosahovala p\u0159ibli\u017en\u011b <strong>3 000 a\u017e 5 000 cykl\u016f<\/strong> kter\u00e9 byly navr\u017eeny, modern\u00ed generace \u010dl\u00e1nk\u016f, zejm\u00e9na syst\u00e9my na b\u00e1zi LFP, dnes typicky dosahuj\u00ed <strong>10 000 a\u017e 15 000 cykl\u016f<\/strong>. Sou\u010dasn\u011b je ro\u010dn\u00ed <strong>Degradace<\/strong> z d\u0159\u00edv\u011bj\u0161\u00edch p\u0159ibli\u017en\u011b 2 % a\u017e 3 % na \u010dast\u00e9 <strong>m\u00e9n\u011b ne\u017e 1,5 %<\/strong> poklesla. Pokroky v \u0159\u00edzen\u00ed provozu zalo\u017een\u00e9m na datech a anal\u00fdze s podporou um\u011bl\u00e9 inteligence nav\u00edc umo\u017e\u0148uj\u00ed p\u0159esn\u011bj\u0161\u00ed p\u0159edpov\u011b\u010f stavu a \u0161etrn\u011bj\u0161\u00ed j\u00edzdn\u00ed re\u017eimy, \u010d\u00edm\u017e se d\u00e1le prodlu\u017euje vyu\u017eiteln\u00e1 \u017eivotnost.<\/p>\n\n\n\n<p><strong>Porovn\u00e1n\u00ed: 2016 vs. 2026<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Vlastnost<\/strong><\/td><td><strong>St\u00e1nek 2016<\/strong><\/td><td><strong>St\u00e1nek 2026<\/strong><\/td><td><strong>Trend<\/strong><\/td><\/tr><tr><td>Typick\u00e9 RTE<\/td><td>~80 %<\/td><td>90\u201394 %<\/td><td>V\u00fdrazn\u011b ni\u017e\u0161\u00ed ztr\u00e1ty<\/td><\/tr><tr><td>\u017divotnost<\/td><td>3 000 \u2013 5 000 cykl\u016f<\/td><td>12 000 cykl\u016f<\/td><td>V\u00edce ne\u017e zdvojn\u00e1sobeno<\/td><\/tr><tr><td>Degradace p.a.<\/td><td>~2\u20133 %<\/td><td>&lt; 1,5 %<\/td><td>Stabiln\u011bj\u0161\u00ed v\u00fdkon<\/td><\/tr><tr><td>Chladic\u00ed syst\u00e9m<\/td><td>vzduchov\u00e9 chlazen\u00ed<\/td><td>Kapalinov\u00e9 chlazen\u00ed<\/td><td>Efektivn\u011bj\u0161\u00ed provoz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Trend RTS v posledn\u00edch letech<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Rok<\/strong><\/td><td><strong>Typick\u00fd rozsah<\/strong><\/td><td><strong>Pozn\u00e1mka<\/strong><\/td><\/tr><tr><td>2022<\/td><td>87 \u2013 94 %<\/td><td>Z\u00e1kladn\u00ed Li-Ion syst\u00e9my s konverzn\u00edmi ztr\u00e1tami<\/td><\/tr><tr><td>2024<\/td><td>90\u201395 %<\/td><td>Zlep\u0161en\u00ed pomoc\u00ed LFP a GaN-invertor\u016f&nbsp;<\/td><\/tr><tr><td>2025\/2026<\/td><td>94\u201398 % +<\/td><td>Vysoce v\u00fdkonn\u00e9 syst\u00e9my s SiC<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Celkov\u011b se ukazuje jasn\u00fd trend: Zvy\u0161ov\u00e1n\u00ed \u00fa\u010dinnosti a pomalej\u0161\u00ed st\u00e1rnut\u00ed se vyv\u00edjej\u00ed paraleln\u011b a vz\u00e1jemn\u011b se ekonomicky posiluj\u00ed. Modern\u00ed <a href=\"https:\/\/cubeconcepts.de\/cz\/produkty\/velke-bateriove-uloziste\/\" type=\"page\" id=\"19360\">Velkokapacitn\u00ed bateriov\u00e9 \u00falo\u017ei\u0161t\u011b<\/a> dod\u00e1vaj\u00ed tak nejen v\u00edce vyu\u017eiteln\u00e9 energie na cyklus, ale tak\u00e9 udr\u017euj\u00ed tuto v\u00fdkonnostn\u00ed \u00farove\u0148 v\u00fdrazn\u011b d\u00e9le stabiln\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdkonnostn\u00ed testy, kalibrace a tipy pro optimalizaci<\/h2>\n\n\n\n<p>Pro p\u0159esn\u00e9 ur\u010den\u00ed a dlouhodobou optimalizaci energetick\u00e9 \u00fa\u010dinnosti p\u0159i zp\u011btn\u00e9m odb\u011bru (RTE) a stavu baterie (SoH), stejn\u011b jako dal\u0161\u00edch kl\u00ed\u010dov\u00fdch ukazatel\u016f v\u00fdkonu (KPI), jako jsou stav nabit\u00ed (SoC), hloubka vybit\u00ed (DoD) a rychlost vyb\u00edjen\u00ed (SDR), je nezbytn\u00e9 pravideln\u00e9 <strong>V\u00fdkonov\u00e9 testy<\/strong> a <strong>Kalibrace<\/strong> nezbytn\u00e9. Tato opat\u0159en\u00ed zaji\u0161\u0165uj\u00ed spolehlivost nam\u011b\u0159en\u00fdch \u00fadaj\u016f, minimalizuj\u00ed odchylky a maximalizuj\u00ed ekonomickou efektivitu syst\u00e9mu BESS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdkonnostn\u00ed testy pro BESS<\/h3>\n\n\n\n<p>V\u00fdkonnostn\u00ed testy zahrnuj\u00ed standardizovan\u00e9 cyklick\u00e9 m\u011b\u0159en\u00ed (nap\u0159. podle protokol\u016f IEC 62619 nebo NREL ATB), p\u0159i kter\u00e9m je BESS nab\u00edjen a vyb\u00edjen za definovan\u00fdch podm\u00ednek (konstantn\u00ed C-rychlost, rozsah SoC, teplota). C\u00edlem je ur\u010dit RTE na AC a DC \u00farovni a ov\u011b\u0159it SoH porovn\u00e1n\u00edm kapacity. V praxi by se m\u011bly aplikace pro s\u00ed\u0165 prov\u00e1d\u011bt minim\u00e1ln\u011b m\u011bs\u00ed\u010dn\u011b a pro arbitr\u00e1\u017e \u010dtvrtletn\u011b. V p\u0159\u00edpad\u011b odchylky v\u011bt\u0161\u00ed ne\u017e dv\u011b procenta by m\u011blo b\u00fdt BESS servisov\u00e1no.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kalibrace BESS<\/h3>\n\n\n\n<p>Kalibrace prob\u00edh\u00e1 pomoc\u00ed r\u016fzn\u00fdch c\u00edlen\u00fdch postup\u016f. Pro stav nabit\u00ed (State of Charge \u2013 SoC) se doporu\u010duje pravideln\u00fd cyklus pln\u00e9ho nabit\u00ed a pln\u00e9ho vybit\u00ed (Full-Charge-Full-Discharge) ka\u017ed\u00fdch 3\u20136 m\u011bs\u00edc\u016f, aby se resetoval tzv. Coulomb\u016fv \u010d\u00edta\u010d v BMS a optimalizovaly algoritmy a filtry. Stav \u017eivotnosti (State of Health \u2013 SoH) se kalibruje m\u011b\u0159en\u00edm vnit\u0159n\u00edho odporu, kapacitn\u00edmi testy a elektrochemickou impedan\u010dn\u00ed spektroskopi\u00ed, v\u017edy ve srovn\u00e1n\u00ed s novou hodnotou. U \u00fa\u010dinnosti p\u0159enosu energie (RTE) prov\u00e1d\u011bj\u00ed obousm\u011brn\u00e9 elektrom\u011bry sez\u00f3nn\u00ed z\u00e1kladn\u00ed testy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Opat\u0159en\u00ed pro zlep\u0161en\u00ed hodnot RTE a SoH<\/h3>\n\n\n\n<p>Celkov\u00e1 \u00fa\u010dinnost (RTE) v syst\u00e9mech BESS lze optimalizovat c\u00edlen\u00fdmi opat\u0159en\u00edmi v hardwaru, softwaru a provozu \u2013 typick\u00e9 n\u00e1r\u016fsty se pohybuj\u00ed mezi 2\u20135 procentn\u00edmi body. Sou\u010dasn\u011b tyto p\u0159\u00edstupy zlep\u0161uj\u00ed stav zdrav\u00ed (SoH) a prodlu\u017euj\u00ed \u017eivotnost, co\u017e zvy\u0161uje ekonomickou efektivitu.<\/p>\n\n\n\n<p><strong>Hardwarov\u011b<\/strong> vyplat\u00ed se vysoce kvalitn\u00ed chemie bateri\u00ed jako <a href=\"https:\/\/cubeconcepts.de\/cz\/lfp-clanky-v-porovnani\/\" type=\"post\" id=\"27119\">LFP-\u010dl\u00e1nky<\/a> up\u0159ednostnit (95 % + DC-RTE), proto\u017ee jejich n\u00edzk\u00fd vnit\u0159n\u00ed odpor sni\u017euje chemick\u00e9 ztr\u00e1ty a stabilizuje SoH. Pokro\u010dil\u00e9 st\u0159\u00edda\u010de s polovodi\u010di SiC\/GaN a v\u00edcestup\u0148ov\u00fdmi topologiemi mohou zv\u00fd\u0161it \u00fa\u010dinnost p\u0159em\u011bny na 98\u201399 %, zat\u00edmco efektivn\u00ed \u0159\u00edzen\u00ed teploty pomoc\u00ed kapalinov\u00e9ho chlazen\u00ed sni\u017euje spot\u0159ebu AUX na m\u00e9n\u011b ne\u017e 0,1 % ztr\u00e1t v klidu a \u0161et\u0159\u00ed chemick\u00e9 slo\u017een\u00ed baterie.<\/p>\n\n\n\n<p><strong>Softwarov\u011b a provozn\u011b<\/strong> Pokro\u010dil\u00fd syst\u00e9m EMS\/BMS \u0159\u00edzen\u00fd um\u011blou inteligenc\u00ed zaji\u0161\u0165uje dynamick\u00e9 p\u0159izp\u016fsoben\u00ed C-rate, rozsahu SoC (nap\u0159. 20\u201380 % % nam\u00edsto 0\u2013100 % %) a hloubky vybit\u00ed (DoD) (&lt;90 % %), \u010d\u00edm\u017e se zabra\u0148uje \u0161pi\u010dkov\u00fdm ztr\u00e1t\u00e1m a omezuje se degradace. Preventivn\u00ed optimalizace s progn\u00f3zami z\u00e1t\u011b\u017ee umo\u017e\u0148uj\u00ed cykly p\u0159i optim\u00e1ln\u00ed regulaci teploty (20\u201325 \u00b0C) a C-rate (&lt;0,5 C). Tato konfigurace je ide\u00e1ln\u00ed pro arbitr\u00e1\u017e v <a href=\"https:\/\/cubeconcepts.de\/cz\/obchodovani-s-akciemi-s-lepsim\/\">Strom-Trading<\/a> a <a href=\"https:\/\/cubeconcepts.de\/cz\/orezani-spicek\/\">Odb\u011br \u0161pi\u010dek<\/a>.<\/p>\n\n\n\n<p>Krom\u011b toho t\u00fddenn\u00ed vyva\u017eov\u00e1n\u00ed \u010dl\u00e1nk\u016f (rozd\u00edl nap\u011bt\u00ed &lt;5 mV), aktualizace firmwaru a teplotn\u00ed kontroly zabra\u0148uj\u00ed p\u0159ed\u010dasn\u00e9mu opot\u0159eben\u00ed. V praxi tak mohou optimalizovan\u00e9 syst\u00e9my BESS dos\u00e1hnout hodnoty RTE p\u0159es 97% a hodnoty SoH p\u0159es 90 % SoH i po p\u011bti letech provozu. D\u00edky monitorov\u00e1n\u00ed kl\u00ed\u010dov\u00fdch ukazatel\u016f a dodr\u017eov\u00e1n\u00ed interval\u016f \u00fadr\u017eby se p\u0159itom sn\u00ed\u017e\u00ed Levelized Cost of Storage (LCOS) o 10\u201315 %.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br: Kl\u00ed\u010dov\u00e9 ukazatele v\u00fdkonnosti a ekonomiky<\/h2>\n\n\n\n<p>RTE a SoH jsou kl\u00ed\u010dov\u00e9 ukazatele v\u00fdkonnosti modern\u00edch BESS a v\u00fdznamn\u011b ur\u010duj\u00ed jejich \u00fa\u010dinnost, \u017eivotnost a ziskovost. Technologick\u00fd pokrok v oblasti chemie \u010dl\u00e1nk\u016f, v\u00fdkonov\u00e9 elektroniky a \u0159\u00edzen\u00ed provozu vedl k tomu, \u017ee dne\u0161n\u00ed syst\u00e9my dosahuj\u00ed v\u00fdrazn\u011b vy\u0161\u0161\u00ed \u00fa\u010dinnosti a vykazuj\u00ed pomalej\u0161\u00ed degradaci ne\u017e p\u0159edchoz\u00ed generace.<\/p>\n\n\n\n<p>Rozhoduj\u00edc\u00ed pro hospod\u00e1\u0159kov\u00fd provoz je souhra mezi vysoce kvalitn\u00edm hardwarem, optimalizovan\u00fdm n\u00e1vrhem syst\u00e9mu a inteligentn\u00edm \u0159\u00edzen\u00edm. Pokud se tyto faktory d\u016fsledn\u011b zohledn\u00ed, lze dos\u00e1hnout trvale velmi vysok\u00e9 \u00fa\u010dinnosti a stabiln\u00edch stav\u016f bateri\u00ed \u2013 s p\u0159\u00edm\u00fdm vlivem na n\u00e1kladovou strukturu, v\u00fdkon za\u0159\u00edzen\u00ed a dlouhodobou n\u00e1vratnost investic.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/cubeconcepts.de\/cz\/news\/uebersicht\/\">Zp\u011bt na p\u0159ehled<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>RTE a SoH jsou kl\u00ed\u010dov\u00fdmi faktory pro rentabilitu velkokapacitn\u00edch bateriov\u00fdch \u00falo\u017ei\u0161\u0165. Modern\u00ed syst\u00e9my dosahuj\u00ed \u00fa\u010dinnosti a\u017e 98 % a v\u00edce ne\u017e 12 000 cykl\u016f, co\u017e v\u00fdrazn\u011b sni\u017euje n\u00e1klady na skladov\u00e1n\u00ed (LCOS) a dlouhodob\u011b zaji\u0161\u0165uje ziskovost.<\/p>","protected":false},"author":3,"featured_media":27171,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,61],"tags":[],"class_list":["post-27158","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-batteriespeicher","category-grundlagen-technik"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Round-Trip-Efficiency (RTE) &amp; State of Health (SoH) bei BESS | CUBE CONCEPTS<\/title>\n<meta name=\"description\" content=\"Round-Trip-Efficiency (RTE) und State of Health (SoH) sind essentielle Kennzahlen f\u00fcr ein Batteriespeichersystem.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cubeconcepts.de\/cz\/navratnost-ucinnosti-rte-stav-baterie-soh-bei-bess\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Round-Trip-Efficiency (RTE) &amp; 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