{"id":36140,"date":"2025-11-22T09:56:28","date_gmt":"2025-11-22T01:56:28","guid":{"rendered":"https:\/\/www.evb.com\/?p=36140"},"modified":"2025-11-22T10:08:46","modified_gmt":"2025-11-22T02:08:46","slug":"the-hidden-cost-most-ev-charging-operators-miss","status":"publish","type":"post","link":"https:\/\/www.evb.com\/cs\/the-hidden-cost-most-ev-charging-operators-miss\/","title":{"rendered":"Skryt\u00e9 n\u00e1klady, kter\u00e9 v\u011bt\u0161ina provozovatel\u016f nab\u00edjec\u00edch stanic pro elektromobily p\u0159ehl\u00ed\u017e\u00ed"},"content":{"rendered":"<p><!--\nTitle: Active vs. Reactive Power: The Unseen Battle for EV Charging Profitability\nMeta Description: EVB Experts Decode Power Fundamentals: Learn how managing Active (kW) vs. Reactive Power (kvar) impacts your EV charging station's efficiency, utility costs, and long-term viability.\nURL Slug: \/expert-guide\/active-reactive-power-ev-charging\nFocus Keyword: Active vs Reactive Power\n--><\/p>\n<h2>\u010cinn\u00fd vs. jalov\u00fd v\u00fdkon: Neviditeln\u00e1 bitva o ziskovost nab\u00edjen\u00ed elektromobil\u016f<\/h2>\n<p>Ve spole\u010dnosti EVB, kter\u00e1 m\u00e1 v\u00edce ne\u017e t\u0159i desetilet\u00ed zku\u0161enost\u00ed v oblasti elektrick\u00e9 infrastruktury a \u0159e\u0161en\u00ed nab\u00edjen\u00ed elektromobil\u016f, jsme si v\u0161imli z\u00e1sadn\u00ed mezery ve znalostech. Zat\u00edmco se provozovatel\u00e9 zam\u011b\u0159uj\u00ed na po\u010det nab\u00edje\u010dek a v\u00fdkon (kW), mnoz\u00ed p\u0159ehl\u00ed\u017eej\u00ed z\u00e1kladn\u00ed elektrick\u00fd jev, kter\u00fd ti\u0161e sni\u017euje ziskovost: <strong>souhra mezi \u010dinn\u00fdm a jalov\u00fdm v\u00fdkonem.<\/strong><\/p>\n<p>Nejde jen o elektrotechnick\u00fd koncept. Jde o rozd\u00edl mezi vysoce efektivn\u00edm a cenov\u011b dostupn\u00fdm nab\u00edjec\u00edm centrem a centrem su\u017eovan\u00fdm neo\u010dek\u00e1van\u011b vysok\u00fdmi provozn\u00edmi n\u00e1klady a nestabilitou s\u00edt\u011b. Tato p\u0159\u00edru\u010dka \u010derp\u00e1 z na\u0161ich hlubok\u00fdch odborn\u00fdch znalost\u00ed v oboru, aby vysv\u011btlila, pro\u010d je zvl\u00e1dnut\u00ed tohoto rozd\u00edlu nezbytn\u00e9 pro jakoukoli seri\u00f3zn\u00ed nab\u00edjec\u00ed operaci elektromobil\u016f.<\/p>\n<h2>Shrnut\u00ed: Kl\u00ed\u010dov\u00e9 poznatky pro provozovatele<\/h2>\n<ul>\n<li><strong>\u010cinn\u00fd v\u00fdkon (kW) je to, co prod\u00e1v\u00e1te:<\/strong> Je to u\u017eite\u010dn\u00e1 energie, kter\u00e1 nab\u00edj\u00ed baterie vozidel. Vy za ni \u00fa\u010dtujete z\u00e1kazn\u00edk\u016fm.<\/li>\n<li><strong>Reaktivn\u00ed v\u00fdkon (kvar) je syst\u00e9mov\u00e1 cena:<\/strong> Je to \u201ere\u017eijn\u00ed\u201c energie vy\u017eadovan\u00e1 elektronikou nab\u00edje\u010dky, kter\u00e1 nevykon\u00e1v\u00e1 \u017e\u00e1dnou u\u017eite\u010dnou pr\u00e1ci, ale zat\u011b\u017euje va\u0161i elektrickou infrastrukturu.<\/li>\n<li><strong>\u00da\u010din\u00edk je va\u0161e sk\u00f3re \u00fa\u010dinnosti:<\/strong> Pom\u011br kW k kVA (celkov\u00fd odebran\u00fd v\u00fdkon). N\u00edzk\u00fd \u00fa\u010din\u00edk spou\u0161t\u00ed sankce od dodavatele energie a omezuje kapacitu va\u0161eho za\u0159\u00edzen\u00ed.<\/li>\n<li><strong>\u0158e\u0161en\u00edm je korekce \u00fa\u010din\u00edku (PFC):<\/strong> Pokro\u010dil\u00e9 syst\u00e9my PFC, jako jsou ty, kter\u00e9 integrujeme my, neutralizuj\u00ed jalov\u00fd v\u00fdkon u zdroje, \u010d\u00edm\u017e zvy\u0161uj\u00ed efektivitu a chr\u00e1n\u00ed va\u0161e zisky.<\/li>\n<\/ul>\n<h2>Demystifikace moci: Analogie s dod\u00e1vkou<\/h2>\n<p>P\u0159edstavte si elektrickou energii proud\u00edc\u00ed do va\u0161\u00ed nab\u00edje\u010dky jako dod\u00e1vku:<\/p>\n<ul>\n<li><strong>\u010cinn\u00fd v\u00fdkon (m\u011b\u0159eno v kW \u2013 kilowattech)<\/strong> je <strong>n\u00e1klad<\/strong> uvnit\u0159 kamionu \u2013 skute\u010dn\u011b doru\u010den\u00e9 bal\u00edky. P\u0159i nab\u00edjen\u00ed elektromobil\u016f se jedn\u00e1 o energii, kter\u00e1 p\u0159\u00edmo nab\u00edj\u00ed baterii vozidla. <strong>To je u\u017eite\u010dn\u00e1 pr\u00e1ce, za kterou plat\u00edte a kterou prod\u00e1v\u00e1te.<\/strong><\/li>\n<li><strong>Reaktivn\u00ed v\u00fdkon (m\u011b\u0159eno v kvar \u2013 kilovolt-amp\u00e9r jalov\u00fd)<\/strong> je <strong>energie pot\u0159ebn\u00e1 k chodu motoru a syst\u00e9m\u016f n\u00e1kladn\u00edho vozidla.<\/strong> Samotn\u00e1 nedoru\u010duje \u017e\u00e1dn\u00e9 bal\u00edky, ale bez n\u00ed se n\u00e1kladn\u00ed v\u016fz nikam nedostane. U nab\u00edje\u010dek elektromobil\u016f se jedn\u00e1 o energii pot\u0159ebnou k buzen\u00ed vnit\u0159n\u00edch magnetick\u00fdch pol\u00ed a sp\u00ednac\u00edch komponent (IGBT) pro usnadn\u011bn\u00ed p\u0159evodu st\u0159\u00eddav\u00e9ho proudu na stejnosm\u011brn\u00fd proud.<\/li>\n<\/ul>\n<p>Elektrick\u00e1 s\u00ed\u0165 mus\u00ed dod\u00e1vat kapacitu pro <strong>ob\u011b<\/strong> n\u00e1klad (kW) a provozn\u00ed re\u017eie n\u00e1kladn\u00edho automobilu (kVAr). Celkov\u00fd \u201ezd\u00e1nliv\u00fd\u201c v\u00fdkon pot\u0159ebn\u00fd ze s\u00edt\u011b se naz\u00fdv\u00e1 <strong>Zd\u00e1nliv\u00fd v\u00fdkon (kVA).<\/strong><\/p>\n<h3>Technick\u00fd hlubok\u00fd ponor: Troj\u00faheln\u00edk moci<\/h3>\n<p>Pro na\u0161e technicky zdatn\u011bj\u0161\u00ed \u010dten\u00e1\u0159e je vztah mezi \u010dinn\u00fdm v\u00fdkonem (kW), jalov\u00fdm v\u00fdkonem (kVA) a zd\u00e1nliv\u00fdm v\u00fdkonem (kVA) geometricky definov\u00e1n vztahem <strong>Mocov\u00fd troj\u00faheln\u00edk<\/strong> a lze jej vypo\u010d\u00edtat pomoc\u00ed t\u011bchto z\u00e1kladn\u00edch vzorc\u016f:<\/p>\n<ul>\n<li><strong>Zd\u00e1nliv\u00fd v\u00fdkon (kVA) je vektorov\u00fd sou\u010det \u010dinn\u00e9ho a jalov\u00e9ho v\u00fdkonu:<\/strong><br \/>\n<code>kVA = \u221a(kW\u00b2 + kvar\u00b2)<\/code><\/li>\n<li><strong>\u00da\u010din\u00edk (PF) je pom\u011br u\u017eite\u010dn\u00e9ho v\u00fdkonu k celkov\u00e9mu zd\u00e1nliv\u00e9mu v\u00fdkonu:<\/strong><br \/>\n<code>PF = kW \/ kVA<\/code><\/li>\n<li><strong>Reaktivn\u00ed v\u00fdkon (kvar) lze odvodit z dal\u0161\u00edch dvou veli\u010din:<\/strong><br \/>\n<code>kvar = \u221a(kVA\u00b2 - kW\u00b2)<\/code><\/li>\n<\/ul>\n<p><strong>Praktick\u00fd p\u0159\u00edklad:<\/strong> Pokud nab\u00edje\u010dka odeb\u00edr\u00e1 80 kW (aktivn\u00ed), ale m\u00e1 n\u00edzk\u00fd \u00fa\u010din\u00edk 0,8, zd\u00e1nliv\u00fd v\u00fdkon ze s\u00edt\u011b je:<br \/>\n<code>kVA = 80 kW \/ 0,8 = 100 kVA<\/code><br \/>\nReaktivn\u00ed v\u00fdkon je:<br \/>\n<code>kvar = \u221a(100\u00b2 - 80\u00b2) = \u221a(3600) = 60 kvar<\/code><br \/>\nTo znamen\u00e1 <strong>20 kVA kapacity s\u00edt\u011b se pl\u00fdtv\u00e1<\/strong> na jalov\u00fd v\u00fdkon, co\u017e vede ke zbyte\u010dn\u00fdm n\u00e1klad\u016fm.<\/p>\n<h2>Dopad na podnik\u00e1n\u00ed: Jak jalov\u00fd v\u00fdkon sni\u017euje va\u0161e zisky<\/h2>\n<p>Pom\u011br u\u017eite\u010dn\u00e9ho v\u00fdkonu (kW) k celkov\u00e9mu zd\u00e1nliv\u00e9mu v\u00fdkonu (kVA) je v\u00e1\u0161 <strong>\u00da\u010din\u00edk (PF).<\/strong> Ide\u00e1ln\u00ed faktor \u00fa\u010din\u00edku (PF) je 1,0, co\u017e znamen\u00e1, \u017ee ve\u0161ker\u00fd odeb\u00edran\u00fd v\u00fdkon je vyu\u017eit k pr\u00e1ci. Vysoce v\u00fdkonn\u00e1 elektronika v rychlonab\u00edje\u010dk\u00e1ch stejnosm\u011brn\u00e9ho proudu (DCFC) je v\u0161ak ze sv\u00e9 podstaty induk\u010dn\u00ed, co\u017e zp\u016fsobuje... <strong>n\u00edzk\u00fd \u00fa\u010din\u00edk (\u010dasto 0,7\u20130,8).<\/strong><\/p>\n<p>Tento n\u00edzk\u00fd \u00fa\u010din\u00edk m\u00e1 p\u0159\u00edm\u00e9 finan\u010dn\u00ed d\u016fsledky:<\/p>\n<ol>\n<li><strong>Poplatky a sankce za odb\u011br energi\u00ed:<\/strong> V\u011bt\u0161ina faktur za komer\u010dn\u00ed energie m\u00e1 \u201epoplatek za spot\u0159ebu\u201c zalo\u017een\u00fd na va\u0161\u00ed \u0161pi\u010dkov\u00e9 spot\u0159eb\u011b v kVA. N\u00edzk\u00fd PF znamen\u00e1, \u017ee odeb\u00edr\u00e1te v\u00edce kVA za stejn\u00e9 mno\u017estv\u00ed dodan\u00e9ho kW, co\u017e v\u00fdrazn\u011b zvy\u0161uje va\u0161e m\u011bs\u00ed\u010dn\u00ed poplatky. Dod\u00e1vatel\u00e9 energi\u00ed tak\u00e9 p\u0159\u00edmo penalizuj\u00ed u\u017eivatele s PF pod ur\u010ditou prahovou hodnotou (obvykle 0,90\u20130,95).<\/li>\n<li><strong>Sn\u00ed\u017een\u00e1 kapacita lokality:<\/strong> N\u00edzk\u00fd faktor \u00fa\u010dinku efektivn\u011b pl\u00fdtv\u00e1 kapacitou va\u0161eho s\u00ed\u0165ov\u00e9ho p\u0159ipojen\u00ed. Transform\u00e1tor, kter\u00fd by mohl un\u00e9st deset nab\u00edje\u010dek o v\u00fdkonu 100 kW, by mohl un\u00e9st pouze \u0161est nebo sedm, co\u017e by nutilo k drah\u00fdm modernizac\u00edm a roz\u0161\u00ed\u0159en\u00ed s\u00edt\u011b.<\/li>\n<li><strong>Neefektivnost syst\u00e9mu:<\/strong> Tok jalov\u00e9ho v\u00fdkonu zp\u016fsobuje zv\u00fd\u0161en\u00e9 teplo a ztr\u00e1ty v kabelech a transform\u00e1torech, co\u017e zvy\u0161uje provozn\u00ed n\u00e1klady a potenci\u00e1ln\u011b zkracuje \u017eivotnost za\u0159\u00edzen\u00ed.<\/li>\n<\/ol>\n<h2>Odborn\u00e9 \u0159e\u0161en\u00ed od EVB: Pokro\u010dil\u00e1 korekce \u00fa\u010din\u00edku<\/h2>\n<p>\u0158e\u0161en\u00edm nen\u00ed eliminace jalov\u00e9ho v\u00fdkonu (co\u017e je pro provoz nab\u00edje\u010dky nemo\u017en\u00e9), ale jeho generov\u00e1n\u00ed. <em>lok\u00e1ln\u011b<\/em> v m\u00edst\u011b spot\u0159eby. Toho je dosa\u017eeno prost\u0159ednictv\u00edm <strong>Korekce \u00fa\u010din\u00edku (PFC)<\/strong> technologie.<\/p>\n<p>P\u0159\u00edstup EVB vyu\u017e\u00edv\u00e1 pokro\u010dil\u00e9 polovodi\u010dov\u00e9 syst\u00e9my, jako je <strong>Gener\u00e1tory statick\u00fdch prom\u011bnn\u00fdch (SVG)<\/strong> kter\u00e9 funguj\u00ed jako vysoce \u00fa\u010dinn\u00fd palubn\u00ed zdroj energie pro \u201emotor n\u00e1kladn\u00edho vozu\u201c.<\/p>\n<ul>\n<li><strong>Jak to funguje:<\/strong> SVG generuj\u00ed jalov\u00fd v\u00fdkon okam\u017eit\u011b (v milisekund\u00e1ch) p\u0159\u00edmo v nab\u00edje\u010dce, \u010d\u00edm\u017e zabra\u0148uj\u00ed jeho odb\u011bru ze s\u00edt\u011b.<\/li>\n<li><strong>V\u00fdhoda EVB:<\/strong> Na rozd\u00edl od star\u0161\u00edch a pomalej\u0161\u00edch syst\u00e9m\u016f zalo\u017een\u00fdch na kondenz\u00e1torech poskytuj\u00ed na\u0161e modern\u00ed \u0159e\u0161en\u00ed SVG dynamickou a p\u0159esnou kompenzaci. Udr\u017euj\u00ed t\u00e9m\u011b\u0159 dokonal\u00fd \u00fa\u010din\u00edk (<strong>\u2265 0,99<\/strong>) i kdy\u017e zat\u00ed\u017een\u00ed nab\u00edje\u010dky b\u011bhem nab\u00edjen\u00ed prudce kol\u00eds\u00e1.<\/li>\n<\/ul>\n<h3>V\u00fdhody integrace strategie PFC spole\u010dnosti EVB<\/h3>\n<table border=\"1\">\n<thead>\n<tr>\n<th style=\"text-align: center;\">Provozn\u00ed metrika<\/th>\n<th style=\"text-align: center;\">Bez korekce \u00fa\u010din\u00edku (PFC)<\/th>\n<th style=\"text-align: center;\">S pokro\u010dil\u00fdm PFC od EVB<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><strong>\u00da\u010din\u00edk<\/strong><\/td>\n<td style=\"text-align: center;\">N\u00edzk\u00e1 (0,7 \u2013 0,8)<\/td>\n<td style=\"text-align: center;\"><strong>T\u00e9m\u011b\u0159 jednota (\u2265 0,99)<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>N\u00e1klady na energie<\/strong><\/td>\n<td style=\"text-align: center;\">Poplatky a sankce za vysokou popt\u00e1vku<\/td>\n<td style=\"text-align: center;\"><strong>V\u00fdrazn\u011b sn\u00ed\u017eeno; vyhnuto sankc\u00edm<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>Kapacita s\u00edt\u011b<\/strong><\/td>\n<td style=\"text-align: center;\">Zbyte\u010dn\u00e9; vy\u017eaduje drah\u00e9 vylep\u0161en\u00ed<\/td>\n<td style=\"text-align: center;\"><strong>Maximalizov\u00e1no; odkl\u00e1d\u00e1 kapit\u00e1lov\u00e9 v\u00fddaje kv\u016fli expanzi<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>Stabilita nap\u011bt\u00ed<\/strong><\/td>\n<td style=\"text-align: center;\">\u0160patn\u00e9; vede ke sn\u00ed\u017een\u00ed rychlosti nab\u00edjen\u00ed<\/td>\n<td style=\"text-align: center;\"><strong>Vynikaj\u00edc\u00ed; zaji\u0161\u0165uje konzistentn\u00ed maxim\u00e1ln\u00ed rychlost nab\u00edjen\u00ed<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>\u017divotnost za\u0159\u00edzen\u00ed<\/strong><\/td>\n<td style=\"text-align: center;\">Nam\u00e1han\u00e9 sou\u010d\u00e1stky v d\u016fsledku harmonick\u00e9ho zkreslen\u00ed<\/td>\n<td style=\"text-align: center;\"><strong>Prodlou\u017een\u00e1 doba d\u00edky \u010dist\u0161\u00edmu v\u00fdkonu a sn\u00ed\u017een\u00e9mu tepeln\u00e9mu nam\u00e1h\u00e1n\u00ed<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Kritick\u00e1 dal\u0161\u00ed \u00farove\u0148: \u00da\u010din\u00edk v integrovan\u00fdch fotovoltaick\u00fdch + energeticky \u00fasporn\u00fdch + elektromobiln\u00edch lokalit\u00e1ch<\/h2>\n<p>Slo\u017eitost kvality energie se v modern\u00edch uzlech typu \u201esol\u00e1rn\u00ed energie + \u00falo\u017ei\u0161t\u011b + nab\u00edjen\u00ed elektromobil\u016f\u201c v\u00fdrazn\u011b zvy\u0161uje. Zde se \u0159\u00edzen\u00ed jalov\u00e9ho v\u00fdkonu st\u00e1v\u00e1 z \u00fasporn\u00e9ho opat\u0159en\u00ed na... <strong>z\u00e1kladn\u00ed po\u017eadavek pro stabilitu a v\u00fdkon syst\u00e9mu.<\/strong><\/p>\n<p><strong>V t\u011bchto integrovan\u00fdch prost\u0159ed\u00edch interaguje n\u011bkolik technologi\u00ed, co\u017e vytv\u00e1\u0159\u00ed ide\u00e1ln\u00ed podm\u00ednky pro nestabilitu s\u00edt\u011b:<\/strong><\/p>\n<ul>\n<li><strong>FV st\u0159\u00edda\u010de<\/strong> samy o sob\u011b generuj\u00ed nebo spot\u0159ebov\u00e1vaj\u00ed jalov\u00fd v\u00fdkon a dynamicky interaguj\u00ed s bilanc\u00ed s\u00edt\u011b.<\/li>\n<li><a href=\"https:\/\/www.evb.com\/cs\/energy-storage\/industrial-and-commercial-energy-storage\/\"><strong>Syst\u00e9my pro ukl\u00e1d\u00e1n\u00ed energie v bateri\u00edch (BESS)<\/strong><\/a> zav\u00e9st obousm\u011brn\u00e9 toky energie (nab\u00edjen\u00ed a vyb\u00edjen\u00ed), co\u017e rychle zm\u011bn\u00ed energetick\u00fd profil lokality.<\/li>\n<li><a href=\"https:\/\/www.evb.com\/cs\/by-charging-type\/evb-dc-ev-charging-solutions\/\"><strong>Rychlonab\u00edje\u010dky stejnosm\u011brn\u00e9ho proudu<\/strong><\/a> z\u016fst\u00e1vaj\u00ed prim\u00e1rn\u00edm zdrojem vysok\u00e9 induktivn\u00ed popt\u00e1vky po jalov\u00e9m v\u00fdkonu.<\/li>\n<li><strong>Strategie pro holen\u00ed Peak<\/strong> m\u011bn\u00ed zd\u00e1nliv\u00fd odb\u011br v\u00fdkonu (kVA) ze s\u00edt\u011b, \u010d\u00edm\u017e se statick\u00e1 kompenzace st\u00e1v\u00e1 ne\u00fa\u010dinnou.<\/li>\n<li><strong>P\u0159\u00edsn\u00e9 s\u00ed\u0165ov\u00e9 p\u0159edpisy<\/strong> st\u00e1le \u010dast\u011bji vy\u017eaduj\u00ed, aby lokality poskytovaly podporu jalov\u00e9ho v\u00fdkonu (nap\u0159. funkce Q(U), Q(P), Volt-VAR) pro stabilizaci m\u00edstn\u00ed s\u00edt\u011b.<\/li>\n<\/ul>\n<p><strong>Bez centralizovan\u00e9ho, inteligentn\u00edho syst\u00e9mu spr\u00e1vy nap\u00e1jen\u00ed trp\u00ed cel\u00fd are\u00e1l:<\/strong><\/p>\n<ul>\n<li><strong>Nestabilita nap\u011bt\u00ed<\/strong>, co\u017e vede k blik\u00e1n\u00ed sv\u011btel nebo vypnut\u00ed za\u0159\u00edzen\u00ed.<\/li>\n<li><strong>Sn\u00ed\u017een\u00e9 rychlosti nab\u00edjen\u00ed<\/strong> proto\u017ee nab\u00edje\u010dky se v d\u016fsledku \u0161patn\u00e9ho nap\u011bt\u00ed sni\u017euj\u00ed.<\/li>\n<li><strong>Sn\u00ed\u017een\u00ed v\u00fdkonu m\u011bni\u010de<\/strong>, co\u017e omezuje potenci\u00e1l generov\u00e1n\u00ed p\u0159\u00edjm\u016f z va\u0161eho sol\u00e1rn\u00edho panelu.<\/li>\n<li><strong>Zbyte\u010dn\u00e9 a n\u00e1kladn\u00e9 modernizace transform\u00e1tor\u016f<\/strong> aby se vyrovnal neefektivn\u00ed tok energie.<\/li>\n<li><strong>Vy\u0161\u0161\u00ed poplatky za odb\u011br v kVA<\/strong> od dodavatele kv\u016fli n\u00edzk\u00e9mu \u00fa\u010din\u00edku.<\/li>\n<\/ul>\n<p><strong>Integrovan\u00e1 platforma pro spr\u00e1vu nap\u00e1jen\u00ed od EVB<\/strong> je navr\u017een p\u0159esn\u011b pro tuto v\u00fdzvu. Jde nad r\u00e1mec individu\u00e1ln\u00ed korekce nab\u00edje\u010dky <strong>propojit fotovoltaick\u00e9 st\u0159\u00edda\u010de, syst\u00e9my BESS a nab\u00edje\u010dky elektromobil\u016f do jednoho harmonick\u00e9ho syst\u00e9mu.<\/strong> To zaji\u0161\u0165uje konzistentn\u011b bl\u00edzk\u00fd \u00fa\u010din\u00edk jednotce (~0,99), maximalizuje vyu\u017eit\u00ed sol\u00e1rn\u00ed energie na m\u00edst\u011b a zaru\u010duje pln\u00e9 dod\u00e1vky energie do elektromobil\u016f za jak\u00e9hokoli zat\u00ed\u017een\u00ed \u2013 co\u017e va\u0161i investici chr\u00e1n\u00ed p\u0159ed budouc\u00edm v\u00fdvojem po\u017eadavk\u016f na rozvodnou s\u00ed\u0165.<\/p>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky (FAQ)<\/h2>\n<h3>Q1: Jak\u00fd je ide\u00e1ln\u00ed \u00fa\u010din\u00edk pro nab\u00edjec\u00ed stanici pro elektromobily a pro\u010d?<\/h3>\n<p><strong>A:<\/strong> Ide\u00e1ln\u00ed \u00fa\u010din\u00edk je <strong>co nejbl\u00ed\u017ee k 1,0 (jednotce)<\/strong>Pro komer\u010dn\u00ed provoz je minim\u00e1ln\u00ed p\u0159ijateln\u00fd \u00fa\u010din\u00edk, aby se zabr\u00e1nilo sankc\u00edm od dodavatel\u016f, obvykle <strong>0,90 a\u017e 0,95<\/strong>Skute\u010dn\u011b efektivn\u00ed stanice by v\u0161ak m\u011bla usilovat o <strong>0,98 nebo vy\u0161\u0161\u00ed<\/strong>Vysok\u00fd \u00fa\u010din\u00edk (nap\u0159. 0,99) zaji\u0161\u0165uje, \u017ee neplat\u00edte za nevyu\u017eitou kapacitu (jalov\u00fd v\u00fdkon), maximalizuje va\u0161e p\u0159ipojen\u00ed k s\u00edti pro generov\u00e1n\u00ed p\u0159\u00edjm\u016f z \u010dinn\u00e9ho v\u00fdkonu (kW) a minimalizuje z\u00e1t\u011b\u017e za\u0159\u00edzen\u00ed.<\/p>\n<h3>Ot\u00e1zka 2: Pro\u010d maj\u00ed rychlonab\u00edje\u010dky stejnosm\u011brn\u00e9ho proudu (DCFC) n\u00edzk\u00fd \u00fa\u010din\u00edk?<\/h3>\n<p><strong>A:<\/strong> Rychlonab\u00edje\u010dky DC jsou v podstat\u011b vysoce v\u00fdkonn\u00e9 usm\u011br\u0148ova\u010de. Jejich hlavn\u00ed sou\u010d\u00e1st \u2013 m\u011bni\u010d AC\/DC \u2013 pou\u017e\u00edv\u00e1 induktory a sp\u00ednac\u00ed komponenty (jako jsou IGBT), kter\u00e9 k provozu vy\u017eaduj\u00ed magnetick\u00e9 pole. Vytvo\u0159en\u00ed a udr\u017eov\u00e1n\u00ed tohoto magnetick\u00e9ho pole spot\u0159ebov\u00e1v\u00e1 <strong>induk\u010dn\u00ed jalov\u00fd v\u00fdkon (kvar)<\/strong>, kter\u00fd sice nep\u0159isp\u00edv\u00e1 k nab\u00edjen\u00ed baterie, ale je nezbytn\u00fd pro proces p\u0159em\u011bny. Tato inherentn\u00ed vlastnost vede k n\u00edzk\u00e9mu \u00fa\u010din\u00edku, pokud nen\u00ed korigov\u00e1na.<\/p>\n<h3>Q3: Jak jalov\u00fd v\u00fdkon ovliv\u0148uje poplatky za odb\u011br energie?<\/h3>\n<p><strong>A:<\/strong> V\u011bt\u0161ina dodavatel\u016f energi\u00ed \u00fa\u010dtuje komer\u010dn\u00edm z\u00e1kazn\u00edk\u016fm poplatky na z\u00e1klad\u011b jejich \u0161pi\u010dky <strong>zd\u00e1nliv\u00fd v\u00fdkon (kVA)<\/strong> popt\u00e1vka, nejen spot\u0159ebovan\u00e1 energie (kWh). N\u00edzk\u00fd \u00fa\u010din\u00edk znamen\u00e1, \u017ee p\u0159i stejn\u00e9m mno\u017estv\u00ed u\u017eite\u010dn\u00e9ho v\u00fdkonu (kW) odeb\u00edr\u00e1te v\u00edce kVA. Tato vy\u0161\u0161\u00ed popt\u00e1vka po kVA zvy\u0161uje v\u00e1\u0161 m\u011bs\u00ed\u010dn\u00ed \u201epoplatek za odb\u011br\u201c. Krom\u011b toho si energetick\u00e9 spole\u010dnosti \u010dasto vyb\u00edraj\u00ed p\u0159\u00edm\u00e9 finan\u010dn\u00ed prost\u0159edky. <strong>sankce<\/strong> pokud v\u00e1\u0161 \u00fa\u010din\u00edk klesne pod smluvn\u00ed prahovou hodnotu (nap\u0159. 0,90).<\/p>\n<h3>Q4: Jak\u00fd je rozd\u00edl mezi SVG a tradi\u010dn\u00edmi kondenz\u00e1torov\u00fdmi bateriemi pro korekci \u00fa\u010din\u00edku?<\/h3>\n<p><strong>A:<\/strong> Toto je kl\u00ed\u010dov\u00fd rozli\u0161ovac\u00ed znak v technologii:<\/p>\n<ul>\n<li><strong>Tradi\u010dn\u00ed kondenz\u00e1torov\u00e9 baterie:<\/strong> Zaji\u0161\u0165uj\u00ed \u201estatickou\u201c krokovou kompenzaci. P\u0159ep\u00ednaj\u00ed kondenz\u00e1torov\u00e9 stupn\u011b, co\u017e je pomal\u00e9 (sekundy a\u017e milisekundy) a m\u016f\u017ee v\u00e9st k nadm\u011brn\u00e9\/nedostate\u010dn\u00e9 kompenzaci. Jsou tak\u00e9 n\u00e1chyln\u00e9 k probl\u00e9m\u016fm s harmonickou rezonanc\u00ed.<\/li>\n<li><strong>Gener\u00e1tor statick\u00fdch prom\u011bnn\u00fdch (SVG):<\/strong> Poskytuje \u201edynamickou\u201c, kontinu\u00e1ln\u00ed a okam\u017eitou kompenzaci (odezva v milisekund\u00e1ch). SVG vyu\u017e\u00edvaj\u00ed v\u00fdkonovou elektroniku (IGBT) ke generov\u00e1n\u00ed p\u0159esn\u00e9ho mno\u017estv\u00ed jalov\u00e9ho v\u00fdkonu, \u010d\u00edm\u017e plynule p\u0159izp\u016fsobuj\u00ed rychle se m\u011bn\u00edc\u00ed z\u00e1t\u011b\u017ei nab\u00edje\u010dek elektromobil\u016f. Nab\u00edzej\u00ed vynikaj\u00edc\u00ed v\u00fdkon, zabra\u0148uj\u00ed p\u0159ep\u011bt\u00ed a mohou tak\u00e9 pomoci filtrovat harmonick\u00e9.<\/li>\n<\/ul>\n<h3>Q5: Vy\u017eaduj\u00ed integrovan\u00e9 lokality FV + ESS + EV podporu jalov\u00e9ho v\u00fdkonu?<\/h3>\n<p><strong>A:<\/strong> <strong>Rozhodn\u011b. Ve skute\u010dnosti je tento po\u017eadavek je\u0161t\u011b d\u016fle\u017eit\u011bj\u0161\u00ed.<\/strong> Interakce mezi fotovoltaick\u00fdmi st\u0159\u00edda\u010di (kter\u00e9 si spravuj\u00ed vlastn\u00ed jalov\u00fd v\u00fdkon), obousm\u011brn\u00fdmi bateriemi a vysoce prom\u011bnliv\u00fdm zat\u00ed\u017een\u00edm stejnosm\u011brn\u00fdch rychlonab\u00edje\u010dek vytv\u00e1\u0159\u00ed komplexn\u00ed energetick\u00fd ekosyst\u00e9m n\u00e1chyln\u00fd k nestabilit\u011b nap\u011bt\u00ed. Bez centralizovan\u00e9ho syst\u00e9mu, kter\u00fd aktivn\u011b koordinuje podporu jalov\u00e9ho v\u00fdkonu mezi v\u0161emi za\u0159\u00edzen\u00edmi, je ohro\u017eena efektivita, stabilita a schopnost lokality dod\u00e1vat pln\u00fd nab\u00edjec\u00ed v\u00fdkon.<\/p>\n<h2>Z\u00e1v\u011br: Prom\u011b\u0148te skryt\u00e9 n\u00e1klady v konkuren\u010dn\u00ed v\u00fdhodu<\/h2>\n<p>V konkuren\u010dn\u00edm prost\u0159ed\u00ed nab\u00edjen\u00ed elektromobil\u016f je provozn\u00ed excelence prvo\u0159ad\u00e1. Pochopen\u00ed a \u0159\u00edzen\u00ed \u010dinn\u00e9ho a jalov\u00e9ho v\u00fdkonu nen\u00ed pokro\u010dil\u00fd elektrick\u00fd koncept \u2013 je to z\u00e1kladn\u00ed pil\u00ed\u0159 ziskov\u00e9ho a spolehliv\u00e9ho podnik\u00e1n\u00ed.<\/p>\n<p>Partnerstv\u00edm s EVB z\u00edsk\u00e1te v\u00edce ne\u017e jen hardware. Z\u00edsk\u00e1te <strong>t\u0159i desetilet\u00ed zku\u0161enost\u00ed v elektrotechnice<\/strong> Zam\u011b\u0159ujeme se na optimalizaci cel\u00e9 va\u0161\u00ed nab\u00edjec\u00ed infrastruktury. Poskytujeme autoritativn\u00ed poradenstv\u00ed a osv\u011bd\u010den\u00e9 technologie, kter\u00e9 prom\u011bn\u00ed kvalitu energie z p\u0159ek\u00e1\u017eky ve strategick\u00e9 aktivum, od jednotliv\u00fdch nab\u00edjec\u00edch stanic a\u017e po nejslo\u017eit\u011bj\u0161\u00ed integrovan\u00e9 energetick\u00e9 uzly.<\/p>\n<p><strong>Jste p\u0159ipraveni optimalizovat svou elektrickou infrastrukturu a chr\u00e1nit svou ziskovost?<\/strong> <a href=\"https:\/\/www.evb.com\/cs\/lets-connect\/\">Kontaktujte je\u0161t\u011b dnes odborn\u00edky EVB a z\u00edskejte bezplatn\u00e9 posouzen\u00ed lokality a anal\u00fdzu kvality elektrick\u00e9 energie.<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Active vs. Reactive Power: The Unseen Battle for EV Charging Profitability At EVB, with over three decades of experience in electrical infrastructure and EV charging solutions, we&#8217;ve observed a critical knowledge gap. While operators focus on charger count and power ratings (kW), many overlook the fundamental electrical phenomenon that silently erodes profitability: the interplay between [&hellip;]<\/p>","protected":false},"author":3,"featured_media":32413,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[101,100,112,103,108,104,111,110,109,107,106,102,105],"class_list":["post-36140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-dc-fast-charger-power","tag-ev-charging-power-factor","tag-ev-charging-station-efficiency","tag-evb-charger","tag-integrated-charging-site","tag-kva","tag-kvar","tag-kw-vs-kva","tag-power-factor-correction","tag-power-quality","tag-reactive-power-compensation","tag-svg-vs-capacitor","tag-utility-demand-charges"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Active vs. Reactive Power: The Hidden Cost Most EV Charging Operators Miss | EVB<\/title>\n<meta name=\"description\" content=\"EVB Experts Decode Power Fundamentals: Learn how managing Active (kW) vs. Reactive Power (kvar) impacts your EV charging station&#039;s efficiency, utility costs, and long-term viability. Master your power quality strategy.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.evb.com\/cs\/the-hidden-cost-most-ev-charging-operators-miss\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Active vs. Reactive Power: The Hidden Cost Most EV Charging Operators Miss | EVB\" \/>\n<meta property=\"og:description\" content=\"EVB Experts Decode Power Fundamentals: Learn how managing Active (kW) vs. Reactive Power (kvar) impacts your EV charging station&#039;s efficiency, utility costs, and long-term viability. Master your power quality strategy.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.evb.com\/cs\/the-hidden-cost-most-ev-charging-operators-miss\/\" \/>\n<meta property=\"og:site_name\" content=\"EVB\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-22T01:56:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-22T02:08:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.evb.com\/wp-content\/uploads\/2025\/09\/62.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1199\" \/>\n\t<meta property=\"og:image:height\" content=\"505\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"evb\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"evb\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/\"},\"author\":{\"name\":\"evb\",\"@id\":\"https:\\\/\\\/www.evb.com\\\/#\\\/schema\\\/person\\\/fe8f0137976034abdfd2ae4f8c5682d0\"},\"headline\":\"The Hidden Cost Most EV Charging Operators Miss\",\"datePublished\":\"2025-11-22T01:56:28+00:00\",\"dateModified\":\"2025-11-22T02:08:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/\"},\"wordCount\":1650,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.evb.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/62.jpg\",\"keywords\":[\"DC fast charger power\",\"EV charging power factor\",\"EV charging station efficiency\",\"EVB charger\",\"integrated charging site\",\"kVA\",\"kvar\",\"kW vs kVA\",\"power factor correction\",\"power quality\",\"reactive power compensation\",\"SVG vs capacitor\",\"utility demand charges\"],\"articleSection\":[\"Blog\"],\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/\",\"url\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/\",\"name\":\"Active vs. Reactive Power: The Hidden Cost Most EV Charging Operators Miss | EVB\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.evb.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/62.jpg\",\"datePublished\":\"2025-11-22T01:56:28+00:00\",\"dateModified\":\"2025-11-22T02:08:46+00:00\",\"description\":\"EVB Experts Decode Power Fundamentals: Learn how managing Active (kW) vs. Reactive Power (kvar) impacts your EV charging station's efficiency, utility costs, and long-term viability. Master your power quality strategy.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.evb.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/62.jpg\",\"contentUrl\":\"https:\\\/\\\/www.evb.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/62.jpg\",\"width\":1199,\"height\":505,\"caption\":\"62\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.evb.com\\\/the-hidden-cost-most-ev-charging-operators-miss\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.evb.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The Hidden Cost Most EV Charging Operators Miss\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.evb.com\\\/#website\",\"url\":\"https:\\\/\\\/www.evb.com\\\/\",\"name\":\"EVB\",\"description\":\"Smart EV Charging &amp; Energy Storage Solutions\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.evb.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.evb.com\\\/#organization\",\"name\":\"EVB\",\"url\":\"https:\\\/\\\/www.evb.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\\\/\\\/www.evb.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.evb.com\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/evb-3.png\",\"contentUrl\":\"https:\\\/\\\/www.evb.com\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/evb-3.png\",\"width\":605,\"height\":626,\"caption\":\"EVB\"},\"image\":{\"@id\":\"https:\\\/\\\/www.evb.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.evb.com\\\/#\\\/schema\\\/person\\\/fe8f0137976034abdfd2ae4f8c5682d0\",\"name\":\"evb\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6919cc4e91e3745783933e1263b15b0bed21b5e46f2b1e21643aa8b29240d0f7?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6919cc4e91e3745783933e1263b15b0bed21b5e46f2b1e21643aa8b29240d0f7?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6919cc4e91e3745783933e1263b15b0bed21b5e46f2b1e21643aa8b29240d0f7?s=96&d=mm&r=g\",\"caption\":\"evb\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Active vs. Reactive Power: The Hidden Cost Most EV Charging Operators Miss | EVB","description":"EVB Experts Decode Power Fundamentals: Learn how managing Active (kW) vs. Reactive Power (kvar) impacts your EV charging station's efficiency, utility costs, and long-term viability. Master your power quality strategy.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.evb.com\/cs\/the-hidden-cost-most-ev-charging-operators-miss\/","og_locale":"cs_CZ","og_type":"article","og_title":"Active vs. Reactive Power: The Hidden Cost Most EV Charging Operators Miss | EVB","og_description":"EVB Experts Decode Power Fundamentals: Learn how managing Active (kW) vs. Reactive Power (kvar) impacts your EV charging station's efficiency, utility costs, and long-term viability. Master your power quality strategy.","og_url":"https:\/\/www.evb.com\/cs\/the-hidden-cost-most-ev-charging-operators-miss\/","og_site_name":"EVB","article_published_time":"2025-11-22T01:56:28+00:00","article_modified_time":"2025-11-22T02:08:46+00:00","og_image":[{"width":1199,"height":505,"url":"https:\/\/www.evb.com\/wp-content\/uploads\/2025\/09\/62.jpg","type":"image\/jpeg"}],"author":"evb","twitter_card":"summary_large_image","twitter_misc":{"Napsal(a)":"evb","Odhadovan\u00e1 doba \u010dten\u00ed":"8 minut"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/#article","isPartOf":{"@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/"},"author":{"name":"evb","@id":"https:\/\/www.evb.com\/#\/schema\/person\/fe8f0137976034abdfd2ae4f8c5682d0"},"headline":"The Hidden Cost Most EV Charging Operators Miss","datePublished":"2025-11-22T01:56:28+00:00","dateModified":"2025-11-22T02:08:46+00:00","mainEntityOfPage":{"@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/"},"wordCount":1650,"commentCount":0,"publisher":{"@id":"https:\/\/www.evb.com\/#organization"},"image":{"@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/#primaryimage"},"thumbnailUrl":"https:\/\/www.evb.com\/wp-content\/uploads\/2025\/09\/62.jpg","keywords":["DC fast charger power","EV charging power factor","EV charging station efficiency","EVB charger","integrated charging site","kVA","kvar","kW vs kVA","power factor correction","power quality","reactive power compensation","SVG vs capacitor","utility demand charges"],"articleSection":["Blog"],"inLanguage":"cs","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/","url":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/","name":"Active vs. Reactive Power: The Hidden Cost Most EV Charging Operators Miss | EVB","isPartOf":{"@id":"https:\/\/www.evb.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/#primaryimage"},"image":{"@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/#primaryimage"},"thumbnailUrl":"https:\/\/www.evb.com\/wp-content\/uploads\/2025\/09\/62.jpg","datePublished":"2025-11-22T01:56:28+00:00","dateModified":"2025-11-22T02:08:46+00:00","description":"EVB Experts Decode Power Fundamentals: Learn how managing Active (kW) vs. Reactive Power (kvar) impacts your EV charging station's efficiency, utility costs, and long-term viability. Master your power quality strategy.","breadcrumb":{"@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/"]}]},{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/#primaryimage","url":"https:\/\/www.evb.com\/wp-content\/uploads\/2025\/09\/62.jpg","contentUrl":"https:\/\/www.evb.com\/wp-content\/uploads\/2025\/09\/62.jpg","width":1199,"height":505,"caption":"62"},{"@type":"BreadcrumbList","@id":"https:\/\/www.evb.com\/the-hidden-cost-most-ev-charging-operators-miss\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.evb.com\/"},{"@type":"ListItem","position":2,"name":"The Hidden Cost Most EV Charging Operators Miss"}]},{"@type":"WebSite","@id":"https:\/\/www.evb.com\/#website","url":"https:\/\/www.evb.com\/","name":"EVB","description":"Smart EV Charging &amp; Energy Storage Solutions","publisher":{"@id":"https:\/\/www.evb.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.evb.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs"},{"@type":"Organization","@id":"https:\/\/www.evb.com\/#organization","name":"EVB","url":"https:\/\/www.evb.com\/","logo":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/www.evb.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.evb.com\/wp-content\/uploads\/2021\/03\/evb-3.png","contentUrl":"https:\/\/www.evb.com\/wp-content\/uploads\/2021\/03\/evb-3.png","width":605,"height":626,"caption":"EVB"},"image":{"@id":"https:\/\/www.evb.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.evb.com\/#\/schema\/person\/fe8f0137976034abdfd2ae4f8c5682d0","name":"evb","image":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/secure.gravatar.com\/avatar\/6919cc4e91e3745783933e1263b15b0bed21b5e46f2b1e21643aa8b29240d0f7?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6919cc4e91e3745783933e1263b15b0bed21b5e46f2b1e21643aa8b29240d0f7?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6919cc4e91e3745783933e1263b15b0bed21b5e46f2b1e21643aa8b29240d0f7?s=96&d=mm&r=g","caption":"evb"}}]}},"_links":{"self":[{"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/posts\/36140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/comments?post=36140"}],"version-history":[{"count":6,"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/posts\/36140\/revisions"}],"predecessor-version":[{"id":36149,"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/posts\/36140\/revisions\/36149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/media\/32413"}],"wp:attachment":[{"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/media?parent=36140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/categories?post=36140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.evb.com\/cs\/wp-json\/wp\/v2\/tags?post=36140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}