{"id":4459,"date":"2025-06-01T15:42:31","date_gmt":"2025-06-01T15:42:31","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=4459"},"modified":"2025-06-01T15:42:34","modified_gmt":"2025-06-01T15:42:34","slug":"ac-vs-dc-coupled-bess","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/cs\/news\/ac-vs-dc-coupled-bess\/","title":{"rendered":"St\u0159\u00eddav\u00fd a stejnosm\u011brn\u00fd proud BESS"},"content":{"rendered":"

\u00davod<\/h2>

Elektrifikace nep\u0159ich\u00e1z\u00ed. U\u017e je tady. St\u0159e\u0161n\u00ed sol\u00e1rn\u00ed elektr\u00e1rny jsou standardem u kalifornsk\u00fdch novostaveb. Ve skladech na St\u0159edoz\u00e1pad\u011b se vedle p\u0159epravn\u00edch dok\u016f v tichosti ukl\u00e1daj\u00ed lithiov\u00e9 bal\u00ed\u010dky. A na jihov\u00fdchod\u011b uzav\u00edraj\u00ed nemocnice smlouvy o odezv\u011b na popt\u00e1vku v\u00e1zan\u00e9 na skladov\u00e1n\u00ed energie o kapacit\u011b 1 MWh.<\/p>

Pod t\u00edmto rychl\u00fdm r\u016fstem se znovu objevuje star\u00e1 debata: St\u0159\u00eddav\u00fd vs. stejnosm\u011brn\u00fd proud v bateriov\u00e9 syst\u00e9my skladov\u00e1n\u00ed energie<\/a><\/strong> (BESS).<\/p>

Tento v\u00fdvoj jsem za\u017eil na vlastn\u00ed k\u016f\u017ei. Za v\u00edce ne\u017e 25 let jsem vid\u011bl, jak se toto odv\u011btv\u00ed pot\u00e1c\u00ed a prudce m\u011bn\u00ed - n\u011bkdy nerovnom\u011brn\u011b - mezi jednoduchost\u00ed st\u0159\u00eddav\u00e9ho proudu a \u010distotou stejnosm\u011brn\u00e9ho proudu. Od neohraban\u00fdch z\u00e1lo\u017en\u00edch syst\u00e9m\u016f pro telekomunikace a\u017e po dne\u0161n\u00ed sofistikovan\u00e9 multi-MW hybridy jsem vid\u011bl, jak oba p\u0159\u00edstupy usp\u011bly i klop\u00fdtly. V posledn\u00ed dob\u011b m\u011b v\u0161ak tr\u00e1p\u00ed slo\u017eit\u011bj\u0161\u00ed ot\u00e1zka:<\/p>

Pt\u00e1me se v\u016fbec spr\u00e1vn\u011b?<\/p>

Proto\u017ee nejlep\u0161\u00ed nastaven\u00ed BESS, kter\u00e1 jsem vid\u011bl, se nestav\u00ed na \u017e\u00e1dnou stranu. P\u0159izp\u016fsobuj\u00ed se. M\u00eds\u00ed se. Jsou chyt\u0159ej\u0161\u00ed ne\u017e vyb\u00edr\u00e1n\u00ed j\u00edzdn\u00edho pruhu.<\/p>

Poj\u010fme to rozebrat s brut\u00e1ln\u00ed up\u0159\u00edmnost\u00ed - a mo\u017en\u00e1 celou konverzaci p\u0159ehodnotit.<\/p>

\"Kamada
Kamada Power 215kWh 200kWh baterie BESS Komer\u010dn\u00ed skladovac\u00ed baterie<\/a><\/strong><\/figcaption><\/figure>

St\u0159\u00eddav\u00fd a stejnosm\u011brn\u00fd proud: V \u010dem je z\u00e1sadn\u00ed rozd\u00edl?<\/h2>

Co skute\u010dn\u011b znamen\u00e1 \"spojov\u00e1n\u00ed\" v BESS?<\/h3>

\"Propojen\u00ed\" je jen elegantn\u00ed zp\u016fsob, jak se zeptat: kam p\u0159ipoj\u00edme baterii vzhledem ke zbytku energetick\u00e9ho syst\u00e9mu?<\/p>

V P\u0159ipojen\u00ed na st\u0159\u00eddav\u00fd proud<\/strong> syst\u00e9m, baterie a sol\u00e1rn\u00ed panely maj\u00ed ka\u017ed\u00fd sv\u016fj vlastn\u00ed st\u0159\u00edda\u010d. Elektrick\u00e1 energie proud\u00ed takto: FV (DC) \u2192 FV st\u0159\u00edda\u010d \u2192 AC<\/strong> a Baterie (stejnosm\u011brn\u00fd proud) \u2192 bateriov\u00fd m\u011bni\u010d \u2192 st\u0159\u00eddav\u00fd proud<\/strong>.<\/p>

V Stejnosm\u011brn\u00fd proud<\/strong> nastaven\u00ed, sol\u00e1rn\u00ed a bateriov\u00e9 nap\u00e1jen\u00ed sd\u00edl\u00ed stejn\u00fd st\u0159\u00edda\u010d. Pr\u016ftok je p\u0159ehledn\u011bj\u0161\u00ed: Fotovoltaika (DC) \u2192 regul\u00e1tor nab\u00edjen\u00ed \u2192 baterie (DC) \u2192 st\u0159\u00edda\u010d \u2192 AC<\/strong>.<\/p>

P\u0159em\u00fd\u0161lejte o instalat\u00e9rstv\u00ed: AC spojka je jako dv\u011b trubky vedouc\u00ed do jednoho odtoku, ka\u017ed\u00e1 s vlastn\u00edm ventilem. Stejnosm\u011brn\u00e1 spojka je jedin\u00e1 trubka se spole\u010dn\u00fdm ventilem - teoreticky jednodu\u0161\u0161\u00ed, ale slo\u017eit\u00e9, pokud nen\u00ed spr\u00e1vn\u011b dimenzovan\u00e1.<\/p>

Typick\u00e9 nastaven\u00ed BESS se st\u0159\u00eddav\u00fdm proudem<\/h3>

U\u017e jste to vid\u011bli: Tesla Powerwall p\u0159idan\u00e1 ke st\u00e1vaj\u00edc\u00edmu sol\u00e1rn\u00edmu poli. To je klasick\u00e9 st\u0159\u00eddav\u00e9 spojen\u00ed. Fotovoltaick\u00fd st\u0159\u00edda\u010d (nap\u0159\u00edklad Enphase nebo SolarEdge) je ji\u017e na m\u00edst\u011b a Powerwall se pouze p\u0159ipoj\u00ed k dom\u00e1c\u00edmu st\u0159\u00eddav\u00e9mu obvodu.<\/p>

Z komer\u010dn\u00edho hlediska jsem kdysi dovybavil \u0161koln\u00ed t\u011blocvi\u010dnu syst\u00e9mem o kapacit\u011b 200 kWh pomoc\u00ed st\u0159\u00edda\u010d\u016f se st\u0159\u00eddav\u00fdm proudem, proto\u017ee jejich fotovoltaick\u00fd syst\u00e9m z roku 2016 byl zablokov\u00e1n dolo\u017ekou PPA. St\u00e1vaj\u00edc\u00edho nastaven\u00ed jsem se nedotkl. Nebylo to hezk\u00e9, ale fungovalo to.<\/p>

Typick\u00e9 nastaven\u00ed stejnosm\u011brn\u011b v\u00e1zan\u00e9 BESS<\/h3>

Nyn\u00ed si p\u0159edstavte projekt na zelen\u00e9 louce: logistick\u00e9 centrum v Arizon\u011b. V\u0161echno je nov\u00e9. Navrhnete sd\u00edlenou architekturu stejnosm\u011brn\u00e9ho proudu - sol\u00e1rn\u00ed nap\u00e1jen\u00ed baterie p\u0159es centralizovan\u00fd regul\u00e1tor nab\u00edjen\u00ed MPPT. O export do s\u00edt\u011b se star\u00e1 jeden masivn\u00ed st\u0159\u00edda\u010d. \u010cist\u0161\u00ed kabel\u00e1\u017e. Ni\u017e\u0161\u00ed n\u00e1klady na watt. T\u011bsn\u011bj\u0161\u00ed integrace.<\/p>

Nen\u00ed divu, \u017ee sol\u00e1rn\u00ed energie + skladov\u00e1n\u00ed energie ve ve\u0159ejn\u00e9m m\u011b\u0159\u00edtku<\/strong>-zejm\u00e9na v z\u00e1padn\u00ed \u010d\u00e1sti USA a v Evrop\u011b- je naklon\u011bn DC. Kdy\u017e se va\u0161e fotovoltaick\u00e9 pole rozkl\u00e1d\u00e1 na plo\u0161e n\u011bkolika hektar\u016f, na \u00fa\u010dinnosti skute\u010dn\u011b z\u00e1le\u017e\u00ed.<\/p>

Pro\u010d je toto rozli\u0161en\u00ed v roce 2025 d\u016fle\u017eit\u011bj\u0161\u00ed?<\/h3>

D\u00edky regula\u010dn\u00edm z\u00e1drhel\u016fm, jako je nap\u0159. UL 1741 SB<\/strong> a aktualizoval IEEE 1547<\/strong>, konstrukce syst\u00e9m\u016f p\u0159ipojen\u00fdch k s\u00edti se rychle vyv\u00edj\u00ed. St\u0159\u00edda\u010de nyn\u00ed mus\u00ed b\u00fdt chyt\u0159ej\u0161\u00ed - proch\u00e1zet poruchami, komunikovat se s\u00edt\u00ed, pod\u00edlet se na regulaci frekvence.<\/p>

A pak je tu\u00a0Virtu\u00e1ln\u00ed elektr\u00e1rna<\/a> (VPP)<\/strong>\u00a0vlna. Baterie se st\u0159\u00eddav\u00fdm proudem a samostatn\u00fdmi st\u0159\u00edda\u010di mohou m\u00edt probl\u00e9my s pln\u011bn\u00edm standard\u016f telemetrie a \u0159\u00edzen\u00ed VPP ve srovn\u00e1n\u00ed s t\u011bsn\u011bji integrovan\u00fdmi stejnosm\u011brn\u00fdmi syst\u00e9my.<\/p>

Metriky v\u00fdkonu, na kter\u00fdch skute\u010dn\u011b z\u00e1le\u017e\u00ed<\/h2>

Zp\u00e1te\u010dn\u00ed efektivita - vyhr\u00e1v\u00e1 v\u017edy stejnosm\u011brn\u00fd proud?<\/h3>

U\u010debnice \u0159\u00edkaj\u00ed, \u017ee ano. M\u00e9n\u011b konverz\u00ed, m\u00e9n\u011b ztr\u00e1t. Podle m\u00fdch zku\u0161enost\u00ed? Kdy\u017e je slunce vysoko a vy jezd\u00edte denn\u011b na kole - DC obvykle poskytuje lep\u0161\u00ed \u00fa\u010dinnost p\u0159i j\u00edzd\u011b tam a zp\u011bt.<\/p>

Ale pak tu byl ten mal\u00fd \u0159et\u011bzec s potravinami v Oregonu. Spousta st\u00ednu, divn\u00e9 \u0161pi\u010dkov\u00e9 zat\u00ed\u017een\u00ed (stroje na led + peka\u0159sk\u00e9 pece = chaos!). Jejich syst\u00e9m DC nebyl dostate\u010dn\u011b v\u00fdkonn\u00fd, dokud jsme ho nep\u0159enastavili na dispe\u010dink zalo\u017een\u00fd na z\u00e1t\u011b\u017ei. Spojen\u00ed st\u0159\u00eddav\u00e9ho proudu mohlo b\u00fdt zpo\u010d\u00e1tku shov\u00edvav\u011bj\u0161\u00ed.<\/p>

D\u016fsledky pro n\u00e1klady - srovn\u00e1n\u00ed kapit\u00e1lov\u00fdch a provozn\u00edch v\u00fddaj\u016f<\/h3>

Spojen\u00ed st\u0159\u00eddav\u00e9ho proudu \u010dasto znamen\u00e1 n\u00e1kup dvou st\u0159\u00edda\u010d\u016f - jednoho pro fotovoltaiku a druh\u00e9ho pro baterii. To jsou dal\u0161\u00ed kapit\u00e1lov\u00e9 v\u00fddaje. Ale ani stejnosm\u011brn\u00fd proud nen\u00ed zadarmo. Mo\u017en\u00e1 budete pot\u0159ebovat dra\u017e\u0161\u00ed hybridn\u00ed st\u0159\u00edda\u010d, vlastn\u00ed integraci a p\u0159\u00edsn\u00e9 konstruk\u010dn\u00ed specifikace.<\/p>

M\u011b\u0159\u00edtko<\/th>N\u00e1klady na spojku AC<\/th>N\u00e1klady na stejnosm\u011brnou spojku<\/th><\/tr><\/thead>
Mal\u00e9 (10-50 kWh)<\/td>Vy\u0161\u0161\u00ed<\/td>Ni\u017e\u0161\u00ed (pokud je na zelen\u00e9 louce)<\/td><\/tr>
St\u0159edn\u00ed (50-500 kWh)<\/td>Srovnateln\u00e9<\/td>M\u00edrn\u00e1 v\u00fdhoda pro DC<\/td><\/tr>
Velk\u00e9 (>1MWh)<\/td>Vy\u0161\u0161\u00ed<\/td>Ni\u017e\u0161\u00ed (za kWh)<\/td><\/tr><\/tbody><\/table><\/figure>

Up\u0159\u00edmn\u011b \u0159e\u010deno, DC m\u00e1 dlouhodob\u011b v\u00fdhodu v n\u00e1kladech - ale hlavn\u011b kdy\u017e je navr\u017een od nuly. Modernizace? Ne tak \u00fapln\u011b.<\/p>

Spolehlivost a \u00fadr\u017eba<\/h3>

D\u0159\u00edve jsem si myslel, \u017ee hybridn\u00ed st\u0159\u00edda\u010de jsou svat\u00fdm gr\u00e1lem - jedna krabice, m\u00e9n\u011b poruchov\u00fdch bod\u016f. Pak jsem vid\u011bl dva selh\u00e1n\u00ed b\u011bhem \u0161esti m\u011bs\u00edc\u016f - oba v d\u016fsledku tepeln\u00e9 \u00fanavy ve skladu se zanedbanou vzduchotechnikou.<\/p>

Na druhou stranu je u st\u0159\u00eddav\u00fdch syst\u00e9m\u016f se samostatn\u00fdmi st\u0159\u00edda\u010di snaz\u0161\u00ed odstra\u0148ovat probl\u00e9my. Pokud dojde k poru\u0161e fotovoltaick\u00e9ho st\u0159\u00edda\u010de, m\u016f\u017ee baterie b\u011b\u017eet d\u00e1l. Modul\u00e1rn\u00ed porucha je lep\u0161\u00ed ne\u017e \u00fapln\u00e9 vypnut\u00ed.<\/p>

Z\u00e1lo\u017en\u00ed nap\u00e1jen\u00ed a odolnost<\/h3>

Zde se projevuj\u00ed emoce. Po hurik\u00e1nu Irma jsem spolupracoval s l\u00e9ka\u0159skou klinikou na Florid\u011b. Jejich st\u011bny se st\u0159\u00eddav\u00fdm proudem pr\u00e1v\u011b fungoval<\/em>-zapoj a hraj si s jejich st\u0159e\u0161n\u00edmi sol\u00e1rn\u00edmi za\u0159\u00edzen\u00edmi.<\/p>

V chlad\u00edrensk\u00e9m skladu v\u0161ak DC spojka b\u011bhem t\u0159\u00eddenn\u00edho v\u00fdpadku u\u0161et\u0159ila des\u00edtky tis\u00edc. Bezprobl\u00e9mov\u00fd p\u0159enos, \u017e\u00e1dn\u00e9 zmatky se st\u0159\u00edda\u010di, baterie up\u0159ednostnily kompresory. Takov\u00e1 \u00farove\u0148 granularity? To dok\u00e1\u017ee pouze stejnosm\u011brn\u00fd proud.<\/p>

Kter\u00e1 spojka kde v\u00edt\u011bz\u00ed?<\/h2>

Nejlep\u0161\u00ed pro modernizaci obytn\u00fdch budov<\/h3>

AC. \u017d\u00e1dn\u00e1 sout\u011b\u017e. Zvl\u00e1\u0161t\u011b se st\u00e1vaj\u00edc\u00edm sol\u00e1rn\u00edm syst\u00e9mem. Instalace je \u010dist\u0161\u00ed. Majitel\u00e9 dom\u016f cht\u011bj\u00ed v\u00fdsledky, nikoliv bolesti hlavy p\u0159i p\u0159ed\u011bl\u00e1v\u00e1n\u00ed.<\/p>

Up\u0159\u00edmn\u011b \u0159e\u010deno, Powerwall vd\u011b\u010d\u00ed za sv\u00e9 masov\u00e9 roz\u0161\u00ed\u0159en\u00ed jednoduchosti st\u0159\u00eddav\u00e9ho proudu, nikoli \u0161pi\u010dkov\u00e9 \u00fa\u010dinnosti. Doma v\u00edt\u011bz\u00ed jednoduchost.<\/p>

Nejlep\u0161\u00ed pro nov\u00e9 komer\u010dn\u00ed sol\u00e1rn\u00ed stavby + \u00falo\u017ei\u0161t\u011b<\/h3>

DC. To je jeho sladk\u00e9 m\u00edsto. \u010cist\u00e1 technika. M\u00e9n\u011b konverz\u00ed. Snadn\u011bj\u0161\u00ed integrace se syst\u00e9my \u0159\u00edzen\u00ed spot\u0159eby energie (EMS).<\/p>

Nasadili jsme stejnosm\u011brn\u00fd syst\u00e9m o kapacit\u011b 500 kWh pro logistick\u00e9 centrum s mo\u017enost\u00ed \u00faspory ve \u0161pi\u010dce a odezvou na popt\u00e1vku. \u00daspory v prvn\u00edm roce: \\$92K. Zkuste si to s propojen\u00edm st\u0159\u00eddav\u00fdm proudem.<\/p>

Nejlep\u0161\u00ed pro komunitn\u00ed \u00falo\u017ei\u0161t\u011b nebo \u00falo\u017ei\u0161t\u011b pro ve\u0159ejnost<\/h3>

Ani jeden z nich. Nebo oboj\u00ed. P\u0159eva\u017euj\u00ed hybridn\u00ed syst\u00e9my.<\/p>

Spole\u010dnosti Fluence a W\u00e4rtsil\u00e4 si nevyb\u00edraj\u00ed strany - navrhuj\u00ed architektury kombinuj\u00edc\u00ed stejnosm\u011brn\u011b p\u0159ipojen\u00e9 fotovoltaick\u00e9 a st\u0159\u00eddav\u011b p\u0159ipojen\u00e9 baterie na z\u00e1klad\u011b propojen\u00ed, profil\u016f zat\u00ed\u017een\u00ed a s\u00ed\u0165ov\u00fdch slu\u017eeb.<\/p>

Zeptal jsem se vedouc\u00edho projektu Fluence, pro\u010d oboj\u00ed? Odpov\u011bd\u011bl mi: \"Proto\u017ee s\u00ed\u0165 nen\u00ed bin\u00e1rn\u00ed. Pro\u010d bychom m\u011bli b\u00fdt?\"<\/p>

Na st\u0159\u00eddav\u00e9m a stejnosm\u011brn\u00e9m proudu nebude za 10 let z\u00e1le\u017eet<\/h3>

Budoucnost pat\u0159\u00ed abstrak\u010dn\u00edm vrstv\u00e1m.<\/p>

Hybridn\u00ed st\u0159\u00edda\u010de se rychle vyv\u00edjej\u00ed. Vestav\u011bn\u00e1 um\u011bl\u00e1 inteligence bude m\u011bnit rozhodnut\u00ed o sp\u0159a\u017een\u00ed za chodu.<\/p>

V roce 2035 u\u017e se na dr\u00e1ty pt\u00e1t nebudeme. Budeme se pt\u00e1t na algoritmy.<\/p>

Vyvr\u00e1cen\u00ed nej\u010dast\u011bj\u0161\u00edch m\u00fdt\u016f<\/h2>

Spojen\u00ed st\u0159\u00eddav\u00fdm proudem je v\u017edy jednodu\u0161\u0161\u00ed<\/h3>

Zpo\u010d\u00e1tku je to snaz\u0161\u00ed. Ale spr\u00e1va dvou typ\u016f st\u0159\u00edda\u010d\u016f, aktualizace firmwaru a monitorov\u00e1n\u00ed nesouladu se m\u016f\u017ee rychle zvrtnout. \u010cistil jsem syst\u00e9my propojen\u00e9 st\u0159\u00eddav\u00fdm proudem, kde selhalo monitorov\u00e1n\u00ed sol\u00e1rn\u00edch zdroj\u016f, ale protokoly bateri\u00ed b\u011b\u017eely d\u00e1l - co\u017e m\u00e1tlo jak dodavatele, tak majitele.<\/p>

Spojen\u00ed stejnosm\u011brn\u00fdm proudem je v\u017edy \u00fa\u010dinn\u011bj\u0161\u00ed<\/h3>

Pouze kdy\u017e slunce spolupracuje. P\u0159i n\u00edzk\u00e9 produkci nebo prom\u011bnliv\u00e9m po\u010das\u00ed se m\u016f\u017ee sd\u00edlen\u00fd st\u0159\u00edda\u010d v syst\u00e9mech stejnosm\u011brn\u00e9ho proudu st\u00e1t \u00fazk\u00fdm hrdlem.<\/p>

Mus\u00edte si vybrat jednu z nich<\/h3>

Pro\u010d? Hybridn\u00ed topologie jsou skute\u010dn\u00e9 - a jejich po\u010det roste. Nejchyt\u0159ej\u0161\u00ed mikros\u00edt\u011b kombinuj\u00ed architektury: Stejnosm\u011brn\u00fd proud pro fotovoltaick\u00e9 baterie, st\u0159\u00eddav\u00fd proud pro elektrocentr\u00e1ly a star\u0161\u00ed z\u00e1t\u011b\u017ee. V pru\u017enosti je s\u00edla.<\/p>

Jak zvolit spr\u00e1vnou strategii spojov\u00e1n\u00ed pro v\u00e1\u0161 projekt<\/h2>

5 kl\u00ed\u010dov\u00fdch ot\u00e1zek, kter\u00e9 si polo\u017ete p\u0159ed v\u00fdb\u011brem<\/h3>
  1. P\u0159id\u00e1v\u00e1te \u00falo\u017ei\u0161t\u011b do st\u00e1vaj\u00edc\u00edho syst\u00e9mu?<\/li>\n\n
  2. Jak d\u016fle\u017eit\u00e9 je z\u00e1lo\u017en\u00ed nap\u00e1jen\u00ed oproti slu\u017eb\u00e1m s\u00edt\u011b?<\/li>\n\n
  3. Jak\u00e1 regula\u010dn\u00ed omezen\u00ed plat\u00ed?<\/li>\n\n
  4. Optimalizujete n\u00e1vratnost investic, odolnost nebo kontrolu?<\/li>\n\n
  5. Kdo syst\u00e9m instaluje a udr\u017euje?<\/li><\/ol>

    Rozhodovac\u00ed matice: St\u0159\u00eddav\u00fd a stejnosm\u011brn\u00fd proud pro b\u011b\u017en\u00e9 typy projekt\u016f<\/h3>
    Aplikace<\/th>Nejlep\u0161\u00ed spojka<\/th>Pro\u010d<\/th><\/tr><\/thead>
    Modernizace obytn\u00fdch budov<\/td>AC<\/td>Snadn\u011bj\u0161\u00ed integrace<\/td><\/tr>
    Nov\u00fd komer\u010dn\u00ed syst\u00e9m<\/td>DC<\/td>Vy\u0161\u0161\u00ed \u00fa\u010dinnost, \u010dist\u0161\u00ed design<\/td><\/tr>
    Utility-scale hybrid<\/td>Hybridn\u00ed<\/td>Zak\u00e1zkov\u00e9 in\u017een\u00fdrstv\u00ed<\/td><\/tr>
    Ostrovn\u00ed zapojen\u00ed mikros\u00edt\u011b<\/td>DC<\/td>Lep\u0161\u00ed ovl\u00e1d\u00e1n\u00ed zatemn\u011bn\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>

    Z\u00e1v\u011br<\/h2>

    Nedovolte, aby spojov\u00e1n\u00ed bylo va\u0161\u00edm kopcem, na kter\u00e9m zem\u0159ete. Nejchyt\u0159ej\u0161\u00ed \u0158e\u0161en\u00ed BESS<\/a><\/strong> nejsou \u0161ablony - jsou \u0161it\u00e9 na m\u00edru. V t\u00e9to \u00e9\u0159e elektrifikace v\u00edt\u011bz\u00ed nuance.<\/p>

    Pot\u0159ebujete pomoci s vy\u0159e\u0161en\u00edm paradoxu AC\/DC? Po\u0161lete mi specifikace sv\u00e9ho projektu - \u017eiji pro tyto v\u011bci.<\/p>","protected":false},"excerpt":{"rendered":"

    \u00davod Elektrifikace nep\u0159ich\u00e1z\u00ed. U\u017e je tady. St\u0159e\u0161n\u00ed sol\u00e1rn\u00ed panel je standardem v kalifornsk\u00fdch novostavb\u00e1ch. Ve skladech na St\u0159edoz\u00e1pad\u011b se vedle p\u0159epravn\u00edch dok\u016f v tichosti ukl\u00e1daj\u00ed lithiov\u00e9 bal\u00ed\u010dky. A dole na jihov\u00fdchod\u011b uzav\u00edraj\u00ed nemocnice smlouvy o odezv\u011b na popt\u00e1vku v\u00e1zan\u00e9 na skladov\u00e1n\u00ed energie o kapacit\u011b 1 MWh. Pod t\u00edmto rychl\u00fdm r\u016fstem se znovu objevuje star\u00e1 debata:...<\/p>","protected":false},"author":1,"featured_media":3681,"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-4459","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\/4459","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=4459"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4459\/revisions"}],"predecessor-version":[{"id":4460,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4459\/revisions\/4460"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media\/3681"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media?parent=4459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/categories?post=4459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/tags?post=4459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}