{"id":23262,"date":"2026-03-27T21:39:29","date_gmt":"2026-03-27T13:39:29","guid":{"rendered":"https:\/\/viox.com\/?p=23262"},"modified":"2026-03-27T21:39:31","modified_gmt":"2026-03-27T13:39:31","slug":"kw-vs-kwh-difference","status":"publish","type":"post","link":"https:\/\/test.viox.com\/cs\/kw-vs-kwh-difference\/","title":{"rendered":"Jak\u00fd je rozd\u00edl mezi kW a kWh?"},"content":{"rendered":"<div class=\"product-intro\">\n<figure style=\"text-align: center; margin: 20px 0;\">\n    <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Engineer-reviewing-electrical-load-data-in-front-of-a-commercial-distribution-panel.webp\" alt=\"Engineer reviewing electrical load data in front of a commercial distribution panel\"><figcaption style=\"font-style: italic; color: #555; margin-top: 10px;\">In\u017een\u00fdr kontroluje data o elektrick\u00e9m zat\u00ed\u017een\u00ed na tabletu p\u0159ed komer\u010dn\u00edm rozvad\u011b\u010dem VIOX.<\/figcaption><\/figure>\n<p>Rozd\u00edl mezi kW a kWh je jednoduch\u00fd:<\/p>\n<ul>\n<li><strong>kW<\/strong> ud\u00e1v\u00e1 <strong>rychlost v\u00fdkonu<\/strong><\/li>\n<li><strong>kWh<\/strong> ud\u00e1v\u00e1 <strong>mno\u017estv\u00ed energie spot\u0159ebovan\u00e9 v pr\u016fb\u011bhu \u010dasu<\/strong><\/li>\n<\/ul>\n<p>Jin\u00fdmi slovy, kW popisuje, jak rychle je elekt\u0159ina spot\u0159ebov\u00e1v\u00e1na, generov\u00e1na nebo dod\u00e1v\u00e1na v dan\u00e9m okam\u017eiku. kWh popisuje, kolik elekt\u0159iny je skute\u010dn\u011b spot\u0159ebov\u00e1no b\u011bhem ur\u010dit\u00e9ho \u010dasov\u00e9ho obdob\u00ed.<\/p>\n<p>Nejjednodu\u0161\u0161\u00ed zp\u016fsob, jak si to zapamatovat, je tento:<\/p>\n<p><code>kWh = kW \u00d7 hodiny<\/code><\/p>\n<p>Pokud tedy za\u0159\u00edzen\u00ed b\u011b\u017e\u00ed na 2 kW po dobu 3 hodin, spot\u0159ebuje 6 kWh energie.<\/p>\n<p>Tento rozd\u00edl je v re\u00e1ln\u00fdch projektech d\u016fle\u017eit\u00fd. V\u00fdkonov\u00e9 \u0161t\u00edtky za\u0159\u00edzen\u00ed, nab\u00edje\u010dky, motory a nap\u00e1jec\u00ed syst\u00e9my se \u010dasto uv\u00e1d\u011bj\u00ed v kW, zat\u00edmco \u00fa\u010dty za elekt\u0159inu, akumulace energie a spot\u0159eba energie se obvykle uv\u00e1d\u011bj\u00ed v kWh.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n    <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Technical-infographic-showing-the-difference-between-kilowatts-and-kilowatt-hours.webp\" alt=\"Technical infographic showing the difference between kilowatts and kilowatt-hours\"><figcaption style=\"font-style: italic; color: #555; margin-top: 10px;\">Technick\u00e1 infografika ilustruj\u00edc\u00ed hlavn\u00ed rozd\u00edly mezi kilowatty (rychlost v\u00fdkonu) a kilowatthodinami (energie v pr\u016fb\u011bhu \u010dasu).<\/figcaption><\/figure>\n<h2>Co znamen\u00e1 kW<\/h2>\n<p>kW znamen\u00e1 <strong>kilowatt<\/strong>, co\u017e je jednotka v\u00fdkonu.<\/p>\n<p>V\u00fdkon je rychlost, jakou je energie spot\u0159ebov\u00e1v\u00e1na nebo p\u0159en\u00e1\u0161ena. Kdy\u017e n\u011bkdo \u0159ekne, \u017ee m\u00e1 oh\u0159\u00edva\u010d jmenovit\u00fd v\u00fdkon 3 kW, znamen\u00e1 to, \u017ee oh\u0159\u00edva\u010d m\u016f\u017ee odeb\u00edrat elekt\u0159inu rychlost\u00ed 3 kilowatty b\u011bhem provozu.<\/p>\n<p>P\u0159edstavte si kW jako rychlost spot\u0159eby elekt\u0159iny.<\/p>\n<p>P\u0159\u00edklady:<\/p>\n<ul>\n<li>7 kW nab\u00edje\u010dka EV dod\u00e1v\u00e1 energii rychlost\u00ed 7 kilowatt\u016f<\/li>\n<li>22 kW nab\u00edje\u010dka dod\u00e1v\u00e1 energii rychleji<\/li>\n<li>motor s jmenovit\u00fdm v\u00fdkonem 15 kW m\u00e1 vy\u0161\u0161\u00ed n\u00e1roky na v\u00fdkon ne\u017e motor s jmenovit\u00fdm v\u00fdkonem 5,5 kW<\/li>\n<\/ul>\n<p>Proto se v dokumentech pro v\u00fdb\u011br za\u0159\u00edzen\u00ed \u010dasto pou\u017e\u00edv\u00e1 kW. Pokud pracujete na obvodech nab\u00edjen\u00ed EV, <a href=\"https:\/\/test.viox.com\/cs\/ev-charger-circuit-breaker-sizing-guide-7kw-22kw\/\">Pr\u016fvodce dimenzov\u00e1n\u00edm jisti\u010d\u016f pro nab\u00edje\u010dky EV: 7kW a\u017e 22kW<\/a> je dobr\u00fdm p\u0159\u00edkladem toho, kde kW p\u0159\u00edmo ovliv\u0148uje rozhodnut\u00ed o elektrick\u00e9m n\u00e1vrhu.<\/p>\n<h2>Co znamen\u00e1 kWh<\/h2>\n<p>kWh znamen\u00e1 <strong>kilowatthodina<\/strong>, co\u017e je jednotka energie.<\/p>\n<p>Energie nen\u00ed tot\u00e9\u017e co v\u00fdkon. Energie ud\u00e1v\u00e1, kolik elekt\u0159iny bylo skute\u010dn\u011b spot\u0159ebov\u00e1no, ulo\u017eeno nebo dod\u00e1no v pr\u016fb\u011bhu \u010dasu.<\/p>\n<p>Pokud je kW rychlost, kWh je celkov\u00e1 ujet\u00e1 vzd\u00e1lenost.<\/p>\n<p>P\u0159\u00edklady:<\/p>\n<ul>\n<li>pokud z\u00e1t\u011b\u017e 1 kW b\u011b\u017e\u00ed po dobu 5 hodin, spot\u0159ebuje 5 kWh<\/li>\n<li>pokud z\u00e1t\u011b\u017e 2 kW b\u011b\u017e\u00ed po dobu 5 hodin, spot\u0159ebuje 10 kWh<\/li>\n<li>baterie s jmenovitou kapacitou 50 kWh uchov\u00e1v\u00e1 mnohem v\u00edce energie ne\u017e baterie s jmenovitou kapacitou 5 kWh<\/li>\n<\/ul>\n<p>Proto se \u00fa\u010dty za elekt\u0159inu obvykle m\u011b\u0159\u00ed v kWh, nikoli v kW.<\/p>\n<h2>Nejjednodu\u0161\u0161\u00ed vzorec<\/h2>\n<p>Z\u00e1kladn\u00ed vztah je:<\/p>\n<p><code>Energie (kWh) = V\u00fdkon (kW) \u00d7 \u010cas (hodiny)<\/code><\/p>\n<p>Tento jeden vzorec vysv\u011btluje v\u011bt\u0161inu nejasnost\u00ed.<\/p>\n<p>Jakmile \u010dten\u00e1\u0159i porozum\u00ed tomuto vzorci, bude mnohem snaz\u0161\u00ed pou\u017e\u00edvat tyto term\u00edny v re\u00e1ln\u00fdch za\u0159\u00edzen\u00edch, \u00fa\u010dtech za energii a pl\u00e1nov\u00e1n\u00ed syst\u00e9m\u016f.<\/p>\n<h2>P\u0159\u00edklady z re\u00e1ln\u00e9ho sv\u011bta a logika profilu zat\u00ed\u017een\u00ed<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\">\n    <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Comparison-infographic-showing-how-kW-and-kWh-are-used-in-EV-charging-motors-batteries-and-electricity-billing.webp\" alt=\"Comparison infographic showing how kW and kWh are used in EV charging, motors, batteries, and electricity billing\"><figcaption style=\"font-style: italic; color: #555; margin-top: 10px;\">Komplexn\u00ed srovn\u00e1n\u00ed ukazuj\u00edc\u00ed, jak se kW a kWh pou\u017e\u00edvaj\u00ed v re\u00e1ln\u00fdch sc\u00e9n\u00e1\u0159\u00edch, jako je nab\u00edjen\u00ed EV, akumulace energie, elektromotory a fakturace za energie.<\/figcaption><\/figure>\n<h3>Nab\u00edjen\u00ed EV<\/h3>\n<p>Toto je jeden z nejjednodu\u0161\u0161\u00edch p\u0159\u00edklad\u016f.<\/p>\n<p>Nab\u00edje\u010dka m\u016f\u017ee b\u00fdt ozna\u010dena:<\/p>\n<ul>\n<li>7 kW<\/li>\n<li>11 kW<\/li>\n<li>22 kW<\/li>\n<\/ul>\n<p>To jsou <strong>jmenovit\u00e9 v\u00fdkony<\/strong>, nikoli celkov\u00e1 spot\u0159eba energie.<\/p>\n<p>Pokud se auto nab\u00edj\u00ed v\u00fdkonem 7 kW po dobu 5 hodin, dodan\u00e1 energie je:<\/p>\n<p><code>7 \u00d7 5 = 35 kWh<\/code><\/p>\n<p>Proto diskuse o n\u00e1vrhu nab\u00edje\u010dky EV obvykle za\u010d\u00ednaj\u00ed v kW, zat\u00edmco v\u00fdsledky nab\u00edjec\u00edch relac\u00ed nebo mno\u017estv\u00ed nabit\u00ed baterie se \u010dasto uv\u00e1d\u011bj\u00ed v kWh.<\/p>\n<h3>\u00da\u010dty za elekt\u0159inu<\/h3>\n<p>V\u00e1\u0161 \u00fa\u010det obvykle \u00fa\u010dtuje za energii spot\u0159ebovanou b\u011bhem faktura\u010dn\u00edho obdob\u00ed, proto je spot\u0159eba energie uvedena v kWh.<\/p>\n<p>Dom\u00e1cnost m\u016f\u017ee m\u00edt vysokou do\u010dasnou popt\u00e1vku po kW, kdy\u017e se spust\u00ed velk\u00e9 spot\u0159ebi\u010de, ale \u00fa\u010det je zalo\u017een na celkov\u00e9 spot\u0159eb\u011b kWh v pr\u016fb\u011bhu \u010dasu.<\/p>\n<p>V komer\u010dn\u00edch a pr\u016fmyslov\u00fdch za\u0159\u00edzen\u00edch je situace \u010dasto slo\u017eit\u011bj\u0161\u00ed, proto\u017ee mnoho tarif\u016f za elekt\u0159inu zahrnuje tak\u00e9 <strong>poplatek za odb\u011br<\/strong>. To znamen\u00e1, \u017ee \u00fa\u010det m\u016f\u017ee z\u00e1viset na dvou r\u016fzn\u00fdch v\u011bcech:<\/p>\n<ul>\n<li>celkov\u00e1 spot\u0159eba energie v pr\u016fb\u011bhu \u010dasu, m\u011b\u0159en\u00e1 v kWh<\/li>\n<li>nejvy\u0161\u0161\u00ed popt\u00e1vka po v\u00fdkonu dosa\u017een\u00e1 b\u011bhem faktura\u010dn\u00edho obdob\u00ed, m\u011b\u0159en\u00e1 v kW<\/li>\n<\/ul>\n<p>Proto mohou dv\u011b za\u0159\u00edzen\u00ed s podobnou spot\u0159ebou kWh obdr\u017eet velmi odli\u0161n\u00e9 \u00fa\u010dty za elekt\u0159inu. Jedno m\u00edsto m\u016f\u017ee m\u00edt plynulej\u0161\u00ed profil zat\u00ed\u017een\u00ed, zat\u00edmco jin\u00e9 m\u016f\u017ee vytv\u00e1\u0159et kr\u00e1tk\u00e9, ale drah\u00e9 \u0161pi\u010dky popt\u00e1vky, kdy\u017e se spust\u00ed v\u00edce velk\u00fdch z\u00e1t\u011b\u017e\u00ed sou\u010dasn\u011b.<\/p>\n<h3>Profil zat\u00ed\u017een\u00ed: m\u00edsto, kde se setk\u00e1vaj\u00ed kW a kWh<\/h3>\n<figure style=\"text-align: center; margin: 20px 0;\">\n    <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Load-profile-chart-showing-peak-kW-demand-and-total-kWh-energy-use.webp\" alt=\"Load profile chart showing peak kW demand and total kWh energy use\"><figcaption style=\"font-style: italic; color: #555; margin-top: 10px;\">Graf zat\u00ed\u017een\u00ed zn\u00e1zor\u0148uj\u00edc\u00ed vztah mezi \u0161pi\u010dkovou popt\u00e1vkou (kW) a celkovou kumulativn\u00ed spot\u0159ebou energie (kWh) v pr\u016fb\u011bhu \u010dasu.<\/figcaption><\/figure>\n<p>Nejprakti\u010dt\u011bj\u0161\u00ed zp\u016fsob, jak si vizualizovat rozd\u00edl, je pomoc\u00ed grafu zat\u00ed\u017een\u00ed.<\/p>\n<ul>\n<li>Vertik\u00e1ln\u00ed osa ukazuje kW.<\/li>\n<li>Horizont\u00e1ln\u00ed osa ukazuje \u010das.<\/li>\n<li>V\u00fd\u0161ka k\u0159ivky v dan\u00e9m okam\u017eiku p\u0159edstavuje okam\u017eitou spot\u0159ebu energie.<\/li>\n<li>Plocha pod touto k\u0159ivkou p\u0159edstavuje celkovou spot\u0159ebovanou energii, neboli kWh.<\/li>\n<\/ul>\n<p>Nap\u0159\u00edklad za\u0159\u00edzen\u00ed m\u016f\u017ee m\u00edt pr\u016fm\u011brnou spot\u0159ebu 20 kW po dobu 10 hodin, co\u017e d\u00e1v\u00e1 200 kWh v jednoduch\u00e9 aritmetice. Ale v re\u00e1ln\u00e9m \u017eivot\u011b pr\u016fmyslov\u00e9 a komer\u010dn\u00ed z\u00e1t\u011b\u017ee z\u0159\u00eddka z\u016fst\u00e1vaj\u00ed konstantn\u00ed. Z\u00e1t\u011b\u017e m\u016f\u017ee stoupnout na 45 kW b\u011bhem spou\u0161t\u011bn\u00ed za\u0159\u00edzen\u00ed, klesnout na 12 kW b\u011bhem leh\u010d\u00edho provozu a pozd\u011bji b\u011bhem sm\u011bny op\u011bt stoupnout. Celkov\u00e1 kWh st\u00e1le poch\u00e1z\u00ed z plochy pod k\u0159ivkou, ale nejvy\u0161\u0161\u00ed bod kW m\u016f\u017ee tak\u00e9 ovlivnit \u00fa\u010det prost\u0159ednictv\u00edm poplatk\u016f za \u0161pi\u010dkovou popt\u00e1vku.<\/p>\n<p>Proto se in\u017een\u00fd\u0159i, spr\u00e1vci za\u0159\u00edzen\u00ed a n\u00e1kup\u010d\u00ed energie zaj\u00edmaj\u00ed o ob\u011b \u010d\u00edsla:<\/p>\n<ul>\n<li>kW je d\u016fle\u017eit\u00e9 pro \u0161pi\u010dkov\u00e9 odb\u011bry, dimenzov\u00e1n\u00ed za\u0159\u00edzen\u00ed a poplatky za odb\u011br od dodavatele energie.<\/li>\n<li>kWh je d\u016fle\u017eit\u00e9 pro celkovou spot\u0159ebu energie, provozn\u00ed n\u00e1klady a pl\u00e1nov\u00e1n\u00ed spot\u0159eby.<\/li>\n<\/ul>\n<h3>Motory a pr\u016fmyslov\u00e9 z\u00e1t\u011b\u017ee<\/h3>\n<p>Motory se \u010dasto uv\u00e1d\u011bj\u00ed v kW, proto\u017ee in\u017een\u00fd\u0159i pot\u0159ebuj\u00ed zn\u00e1t \u00farove\u0148 v\u00fdkonu pot\u0159ebnou pro dimenzov\u00e1n\u00ed p\u0159\u00edvod\u016f, jisti\u010d\u016f, styka\u010d\u016f a \u0159\u00eddic\u00edho za\u0159\u00edzen\u00ed. Proto <a href=\"https:\/\/test.viox.com\/cs\/how-to-select-contactors-and-circuit-breakers-based-on-motor-power\/\">Jak vybrat styka\u010de a jisti\u010de podle v\u00fdkonu motoru<\/a> p\u0159irozen\u011b pou\u017e\u00edv\u00e1 kW jako praktick\u00fd vstupn\u00ed \u00fadaj pro n\u00e1vrh.<\/p>\n<h3>Akumulace energie<\/h3>\n<p>Bateriov\u00e9 syst\u00e9my jsou u\u017eite\u010dn\u00fd zp\u016fsob, jak odd\u011blit tyto dv\u011b my\u0161lenky:<\/p>\n<ul>\n<li>kW ud\u00e1v\u00e1, jak rychle m\u016f\u017ee baterie dod\u00e1vat nebo p\u0159ij\u00edmat energii.<\/li>\n<li>kWh ud\u00e1v\u00e1, kolik energie baterie ukl\u00e1d\u00e1.<\/li>\n<\/ul>\n<p>Toto rozli\u0161en\u00ed je \u00fast\u0159edn\u00ed v diskus\u00edch o syst\u00e9mech akumulace energie, a proto <a href=\"https:\/\/test.viox.com\/cs\/full-guide-to-battery-energy-storage-systems\/\">\u00dapln\u00fd pr\u016fvodce bateriov\u00fdmi syst\u00e9my pro ukl\u00e1d\u00e1n\u00ed energie<\/a> se st\u00e1v\u00e1 snaz\u0161\u00ed pochopit, jakmile jsou kW a kWh jasn\u00e9.<\/p>\n<h2>B\u011b\u017en\u00e9 chyby, kter\u00fdch se lid\u00e9 dopou\u0161t\u011bj\u00ed<\/h2>\n<h3>Zam\u011b\u0148ov\u00e1n\u00ed kW za celkovou spot\u0159ebu elekt\u0159iny<\/h3>\n<p>Mnoho lid\u00ed se domn\u00edv\u00e1, \u017ee za\u0159\u00edzen\u00ed s v\u00fdkonem 10 kW automaticky znamen\u00e1 vysok\u00fd \u00fa\u010det za energii. Ale kW ud\u00e1v\u00e1 pouze rychlost. Pokud za\u0159\u00edzen\u00ed b\u011b\u017e\u00ed kr\u00e1tce, celkov\u00e1 kWh m\u016f\u017ee b\u00fdt st\u00e1le m\u00edrn\u00e1.<\/p>\n<h3>Zam\u011b\u0148ov\u00e1n\u00ed kWh za rychlost v\u00fdstupu za\u0159\u00edzen\u00ed<\/h3>\n<p>kWh neud\u00e1v\u00e1, jak rychle je energie dod\u00e1v\u00e1na. Ud\u00e1v\u00e1, kolik celkov\u00e9 energie bylo spot\u0159ebov\u00e1no nebo ulo\u017eeno.<\/p>\n<h3>Ignorov\u00e1n\u00ed \u0161pi\u010dkov\u00e9 popt\u00e1vky<\/h3>\n<p>V komer\u010dn\u00edch a pr\u016fmyslov\u00fdch fakturac\u00edch je to n\u00e1kladn\u00e1 chyba. Provozovna m\u016f\u017ee hospoda\u0159it s kWh pom\u011brn\u011b dob\u0159e a p\u0159esto \u010delit drah\u00fdm poplatk\u016fm, pokud je jej\u00ed \u0161pi\u010dkov\u00e1 popt\u00e1vka v kW p\u0159\u00edli\u0161 vysok\u00e1.<\/p>\n<h3>Ignorov\u00e1n\u00ed \u010dasu<\/h3>\n<p>\u010cas je chyb\u011bj\u00edc\u00ed d\u00edlek ve v\u011bt\u0161in\u011b nejasnost\u00ed.<\/p>\n<ul>\n<li>kW bez \u010dasu je pouze v\u00fdkon.<\/li>\n<li>kWh zahrnuje \u010das definic\u00ed.<\/li>\n<\/ul>\n<h3>Pou\u017e\u00edv\u00e1n\u00ed t\u011bchto dvou pojm\u016f zam\u011bniteln\u011b<\/h3>\n<p>To je b\u011b\u017en\u00e9 v neform\u00e1ln\u00ed konverzaci, ale vytv\u00e1\u0159\u00ed to skute\u010dn\u00fd zmatek v elektrotechnick\u00e9m n\u00e1vrhu, nab\u00edjen\u00ed elektromobil\u016f, akumulaci energie a anal\u00fdze fakturace.<\/p>\n<h2>Pro\u010d na rozd\u00edlu z\u00e1le\u017e\u00ed v elektrotechnick\u00e9 pr\u00e1ci<\/h2>\n<p>Pro elektrik\u00e1\u0159e, in\u017een\u00fdry a n\u00e1kup\u010d\u00ed nen\u00ed rozd\u00edl pouze akademick\u00fd.<\/p>\n<h3>Dimenzov\u00e1n\u00ed syst\u00e9mu<\/h3>\n<p>V\u00fdkonov\u00e9 hodnoty v kW ovliv\u0148uj\u00ed v\u00fdb\u011br obvod\u016f, ochrann\u00fdch prvk\u016f a nap\u00e1jec\u00edch syst\u00e9m\u016f.<\/p>\n<h3>Energetick\u00e9 pl\u00e1nov\u00e1n\u00ed<\/h3>\n<p>Energetick\u00e9 \u00fadaje v kWh ovliv\u0148uj\u00ed progn\u00f3zy spot\u0159eby, pl\u00e1nov\u00e1n\u00ed kapacity bateri\u00ed a anal\u00fdzu provozn\u00edch n\u00e1klad\u016f.<\/p>\n<h3>\u0158\u00edzen\u00ed poplatk\u016f za odb\u011br<\/h3>\n<p>V mnoha komer\u010dn\u00edch a pr\u016fmyslov\u00fdch tarifech je sn\u00ed\u017een\u00ed \u0161pi\u010dkov\u00e9ho odb\u011bru v kW stejn\u011b d\u016fle\u017eit\u00e9 jako sn\u00ed\u017een\u00ed celkov\u00e9 spot\u0159eby v kWh. To je jeden z d\u016fvod\u016f, pro\u010d na pl\u00e1nov\u00e1n\u00ed z\u00e1t\u011b\u017ee, stup\u0148ovit\u00e9m spou\u0161t\u011bn\u00ed motor\u016f a koordinaci energetick\u00e9ho syst\u00e9mu z\u00e1le\u017e\u00ed finan\u010dn\u011b, nejen elektricky.<\/p>\n<h3>Diskuze o jednof\u00e1zov\u00e9m vs. t\u0159\u00edf\u00e1zov\u00e9m nap\u00e1jen\u00ed<\/h3>\n<p>Konverzace o energetick\u00fdch syst\u00e9mech se \u010dasto rychle p\u0159esouvaj\u00ed do kW, proto\u017ee kapacita z\u00e1t\u011b\u017ee a rychlost dod\u00e1vky jsou d\u016fle\u017eit\u00e9 p\u0159i porovn\u00e1v\u00e1n\u00ed typ\u016f nap\u00e1jen\u00ed. Pokud se t\u011bmito rozd\u00edly zab\u00fdv\u00e1te, <a href=\"https:\/\/test.viox.com\/cs\/single-phase-vs-three-phase-panelboards-guide\/\">Pr\u016fvodce jednof\u00e1zov\u00fdmi vs. t\u0159\u00edf\u00e1zov\u00fdmi rozvad\u011b\u010di<\/a> je u\u017eite\u010dn\u00fd dal\u0161\u00ed krok.<\/p>\n<h3>Jasn\u011bj\u0161\u00ed technick\u00e1 komunikace<\/h3>\n<p>P\u0159ekvapiv\u00e9 mno\u017estv\u00ed nedorozum\u011bn\u00ed v projektech poch\u00e1z\u00ed ze zam\u011b\u0148ov\u00e1n\u00ed v\u00fdkonu a energie. Jakmile t\u00fdmy odd\u011bl\u00ed kW od kWh, diskuze o za\u0159\u00edzen\u00edch se stanou mnohem p\u0159esn\u011bj\u0161\u00ed.<\/p>\n<h2>kW vs. kWh v jedn\u00e9 v\u011bt\u011b<\/h2>\n<p>Pokud pot\u0159ebujete co nejkrat\u0161\u00ed vysv\u011btlen\u00ed:<\/p>\n<p>kW ud\u00e1v\u00e1, jak rychle se elekt\u0159ina spot\u0159ebov\u00e1v\u00e1.<br \/>\n  kWh ud\u00e1v\u00e1, kolik elekt\u0159iny se spot\u0159ebuje v pr\u016fb\u011bhu \u010dasu.<\/p>\n<h2>\u010cASTO KLADEN\u00c9 DOTAZY<\/h2>\n<h3>Jak\u00fd je rozd\u00edl mezi kW a kWh?<\/h3>\n<p>kW m\u011b\u0159\u00ed v\u00fdkon. kWh m\u011b\u0159\u00ed energii v pr\u016fb\u011bhu \u010dasu. Za\u0159\u00edzen\u00ed s v\u00fdkonem v kW ud\u00e1v\u00e1, jak rychle spot\u0159ebov\u00e1v\u00e1 elekt\u0159inu. Hodnota kWh ud\u00e1v\u00e1, kolik elekt\u0159iny se spot\u0159ebuje za ur\u010dit\u00e9 obdob\u00ed.<\/p>\n<h3>Je kW tot\u00e9\u017e co kWh?<\/h3>\n<p>Ne. kW a kWh spolu souvisej\u00ed, ale neznamenaj\u00ed tot\u00e9\u017e. kWh zahrnuje \u010dasov\u00fd prvek, zat\u00edmco kW ne.<\/p>\n<h3>Jak se p\u0159ev\u00e1d\u00ed kW na kWh?<\/h3>\n<p>Vyn\u00e1sobte kW po\u010dtem hodin:<\/p>\n<p><code>kWh = kW \u00d7 hodiny<\/code><\/p>\n<h3>Pro\u010d je m\u016fj \u00fa\u010det za elekt\u0159inu v kWh m\u00edsto v kW?<\/h3>\n<p>Proto\u017ee dodavatel\u00e9 obvykle \u00fa\u010dtuj\u00ed celkovou spot\u0159ebovanou energii v pr\u016fb\u011bhu \u010dasu, nikoli pouze okam\u017eitou rychlost v\u00fdkonu. V komer\u010dn\u00edch a pr\u016fmyslov\u00fdch tarifech v\u0161ak m\u016f\u017ee b\u00fdt samostatn\u00fd poplatek za odb\u011br zalo\u017een tak\u00e9 na \u0161pi\u010dkov\u00e9m odb\u011bru v kW.<\/p>\n<h3>Pro\u010d z\u00e1le\u017e\u00ed na \u0161pi\u010dkov\u00e9m odb\u011bru v kW na komer\u010dn\u00edch \u00fa\u010dtech za elekt\u0159inu?<\/h3>\n<p>Proto\u017ee mnoho komer\u010dn\u00edch a pr\u016fmyslov\u00fdch tarif\u016f zahrnuje poplatky za odb\u011br. To znamen\u00e1, \u017ee kr\u00e1tk\u00e9 obdob\u00ed vysok\u00e9ho odb\u011bru v kW m\u016f\u017ee ovlivnit \u00fa\u010det, i kdy\u017e celkov\u00e1 spot\u0159eba v kWh nen\u00ed neobvykle vysok\u00e1.<\/p>\n<h3>Je baterie hodnocena v kW nebo kWh?<\/h3>\n<p>Obvykle oboj\u00ed, ale popisuj\u00ed r\u016fzn\u00e9 v\u011bci. kW popisuje v\u00fdstupn\u00ed v\u00fdkon nebo rychlost nab\u00edjen\u00ed. kWh popisuje kapacitu ulo\u017een\u00e9 energie.<\/p>\n<h3>Pro\u010d nab\u00edje\u010dky elektromobil\u016f pou\u017e\u00edvaj\u00ed kW?<\/h3>\n<p>Proto\u017ee \u0161t\u00edtky nab\u00edje\u010dek obvykle popisuj\u00ed rychlost, jakou lze dod\u00e1vat energii. Celkov\u00e1 energie p\u0159enesen\u00e1 b\u011bhem relace je l\u00e9pe pops\u00e1na v kWh.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Engineer reviewing electrical load data on a tablet in front of a commercial VIOX distribution panel. The difference between kW and kWh is simple: kW tells you the rate of power kWh tells you the amount of energy used over time In other words, kW describes how fast electricity is being consumed, generated, or delivered [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23263,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-23262","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/23262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/comments?post=23262"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/23262\/revisions"}],"predecessor-version":[{"id":23264,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/23262\/revisions\/23264"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media\/23263"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media?parent=23262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/categories?post=23262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/tags?post=23262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}