{"id":13327,"date":"2023-08-01T04:12:01","date_gmt":"2023-08-01T04:12:01","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=13327"},"modified":"2023-12-26T08:37:58","modified_gmt":"2023-12-26T08:37:58","slug":"what-is-power-factor-pf","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/cs\/glosar\/co-je-to-ucinik-pf","title":{"rendered":"Co je to \u00fa\u010din\u00edk (PF)"},"content":{"rendered":"

Co je to \u00fa\u010din\u00edk (PF)<\/h2>

V\u00fdkonov\u00fd faktor (Pf) m\u011b\u0159\u00ed \u00fa\u010dinnost vyu\u017eit\u00ed elektrick\u00e9 energie v osv\u011btlovac\u00edch syst\u00e9mech. P\u0159edstavuje pom\u011br mezi skute\u010dn\u00fdm v\u00fdkonem (m\u011b\u0159en\u00fdm ve wattech) a zd\u00e1nliv\u00fdm v\u00fdkonem (m\u011b\u0159en\u00fdm ve voltamp\u00e9rech nebo VA). \u00da\u010din\u00edk se vypo\u010d\u00edt\u00e1 vyd\u011blen\u00edm skute\u010dn\u00e9ho v\u00fdkonu zd\u00e1nliv\u00fdm v\u00fdkonem.<\/p>

V obvodu st\u0159\u00eddav\u00e9ho proudu je \u00fa\u010din\u00edk ovlivn\u011bn f\u00e1zov\u00fdm rozd\u00edlem mezi nap\u011bt\u00edm a proudem. \u00da\u010din\u00edk 1 indikuje, \u017ee nap\u011bt\u00ed a proud jsou v dokonal\u00e9 synchronizaci, co\u017e vede k efektivn\u00edmu vyu\u017eit\u00ed energie. Nicm\u00e9n\u011b v obvodech s induk\u010dn\u00ed nebo kapacitn\u00ed z\u00e1t\u011b\u017e\u00ed m\u016f\u017ee b\u00fdt \u00fa\u010din\u00edk men\u0161\u00ed ne\u017e 1, co\u017e indikuje m\u00e9n\u011b efektivn\u00ed vyu\u017eit\u00ed energie.<\/p>

Hled\u00e1te \u0159e\u0161en\u00ed \u00faspory energie aktivovan\u00e9 pohybem?<\/h3>

Obra\u0165te se na n\u00e1s pro kompletn\u00ed PIR senzory pohybu, produkty pro \u00fasporu energie aktivovan\u00e9 pohybem, sp\u00edna\u010de se senzorem pohybu a komer\u010dn\u00ed \u0159e\u0161en\u00ed pro detekci p\u0159\u00edtomnosti\/volnosti.<\/p>

Odeslat e-mail<\/p><\/a><\/div><\/div>

Kontaktn\u00ed formul\u00e1\u0159<\/p><\/a><\/div><\/div>

Chat Online<\/p><\/a><\/div><\/div><\/div><\/div>

N\u00edzk\u00fd \u00fa\u010din\u00edk m\u016f\u017ee m\u00edt za n\u00e1sledek zv\u00fd\u0161enou spot\u0159ebu energie, vy\u0161\u0161\u00ed \u00fa\u010dty za elekt\u0159inu a mo\u017en\u00e9 probl\u00e9my s elektrick\u00fdm za\u0159\u00edzen\u00edm. M\u016f\u017ee tak\u00e9 v\u00edce zat\u011b\u017eovat infrastrukturu pro dod\u00e1vky elektrick\u00e9 energie a v\u00e9st k neefektivit\u011b elektrick\u00e9 s\u00edt\u011b.<\/p>

Inspirujte se portfoliem pohybov\u00fdch senzor\u016f Rayzeek.<\/h3>

Nena\u0161li jste to, co jste cht\u011bli? Nebojte se. V\u017edy existuj\u00ed alternativn\u00ed zp\u016fsoby \u0159e\u0161en\u00ed va\u0161ich probl\u00e9m\u016f. Mo\u017en\u00e1 v\u00e1m pom\u016f\u017ee n\u011bkter\u00e9 z na\u0161ich portfoli\u00ed.<\/p>

Senzory pohybu PIR<\/p><\/a><\/div><\/div>

Sp\u00edna\u010de s pohybov\u00fdm senzorem<\/p><\/a><\/div><\/div>

Senzory p\u0159\u00edtomnosti<\/p><\/a><\/div><\/div>

Senzor pohybu klimatizace<\/p><\/a><\/div><\/div>

Sv\u011bteln\u00e9 p\u00e1sky s pohybov\u00fdm senzorem<\/p><\/a><\/div><\/div>

N\u00edzkonap\u011b\u0165ov\u00e9 stejnosm\u011brn\u00e9 sn\u00edma\u010de pohybu\/stm\u00edva\u010de<\/p><\/a><\/div><\/div>

Sady bezdr\u00e1tov\u00fdch sn\u00edma\u010d\u016f pohybu<\/p><\/a><\/div><\/div><\/div><\/div>

Ke zlep\u0161en\u00ed \u00fa\u010din\u00edku se pou\u017e\u00edvaj\u00ed techniky korekce \u00fa\u010din\u00edku (PFC). Tyto techniky zahrnuj\u00ed pou\u017eit\u00ed kondenz\u00e1tor\u016f nebo jin\u00fdch za\u0159\u00edzen\u00ed k vyrovn\u00e1n\u00ed jalov\u00e9ho v\u00fdkonu a p\u0159ibl\u00ed\u017een\u00ed \u00fa\u010din\u00edku k hodnot\u011b 1. Zlep\u0161en\u00edm \u00fa\u010din\u00edku lze optimalizovat spot\u0159ebu energie a sn\u00ed\u017eit pl\u00fdtv\u00e1n\u00ed.<\/p>

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n

Co je to dobr\u00fd \u00fa\u010din\u00edk v procentech<\/h3><\/div><\/div>\n\n

\u00da\u010din\u00edk je pom\u011br skute\u010dn\u00e9ho a zd\u00e1nliv\u00e9ho v\u00fdkonu. Za dobr\u00fd \u00fa\u010din\u00edk se obvykle pova\u017euje hodnota mezi 1,0 a 0,95. \u00da\u010din\u00edk ni\u017e\u0161\u00ed ne\u017e 0,95 je obecn\u011b pova\u017eov\u00e1n za \u0161patn\u00fd, zat\u00edmco \u00fa\u010din\u00edk ni\u017e\u0161\u00ed ne\u017e 0,85 je pova\u017eov\u00e1n za \u0161patn\u00fd.<\/p><\/div><\/div><\/div><\/div>\n\n

Mohu nainstalovat LED sv\u011btlo bez ovlada\u010de<\/h3><\/div><\/div>\n\n

Tento ovlada\u010d je zodpov\u011bdn\u00fd za p\u0159em\u011bnu st\u0159\u00eddav\u00e9ho nap\u011bt\u00ed ze s\u00edt\u011b na vhodn\u00e9 stejnosm\u011brn\u00e9 nap\u011bt\u00ed pro nap\u00e1jen\u00ed sv\u011btla LED. Do\u0161lo v\u0161ak k technologick\u00e9mu pokroku, nap\u0159\u00edklad k zaveden\u00ed LED \u017e\u00e1rovek bez st\u0159\u00eddav\u00e9ho ovlada\u010de. Tyto \u017e\u00e1rovky lze p\u0159\u00edmo zapojit do st\u0159\u00eddav\u00e9 s\u00edt\u011b bez nutnosti pou\u017eit\u00ed extern\u00edch modul\u016f ovlada\u010d\u016f.<\/p><\/div><\/div><\/div><\/div>\n\n

Kter\u00fd ovlada\u010d je nejlep\u0161\u00ed pro LED sv\u011btla<\/h3><\/div><\/div>\n\n

Obecn\u011b maj\u00ed ovlada\u010de LED \u00fa\u010dinnost kolem 80-85%. Nejefektivn\u011bj\u0161\u00ed mo\u017enost\u00ed pro provoz v\u00edce LED \u017e\u00e1rovek je v\u0161ak ovlada\u010d UL t\u0159\u00eddy 1.<\/p><\/div><\/div><\/div><\/div>\n\n

Mohu pro LED pou\u017e\u00edt ovlada\u010d s vy\u0161\u0161\u00edm p\u0159\u00edkonem?<\/h3><\/div><\/div>\n\n

Na rozd\u00edl od \u017e\u00e1rovek v\u0161ak LED \u017e\u00e1rovky produkuj\u00ed m\u00e9n\u011b tepla. Proto je bezpe\u010dn\u00e9 pou\u017e\u00edvat LED \u017e\u00e1rovky s vy\u0161\u0161\u00edm p\u0159\u00edkonem, pokud je v obj\u00edmce uveden ni\u017e\u0161\u00ed p\u0159\u00edkon. Je v\u0161ak d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee pou\u017eit\u00ed LED ovlada\u010de s vysok\u00fdm p\u0159\u00edkonem nemus\u00ed b\u00fdt vhodn\u00e9 pro uzav\u0159en\u00e1 sv\u00edtidla.<\/p><\/div><\/div><\/div><\/div>\n\n

Co se pova\u017euje za \u0161patn\u00fd \u00fa\u010din\u00edk<\/h3><\/div><\/div>\n\n

Korekce \u00fa\u010din\u00edku je metoda, kter\u00e1 sni\u017euje spot\u0159ebu energie vyu\u017eit\u00edm za\u0159\u00edzen\u00ed a zvy\u0161uje celkov\u00fd \u00fa\u010din\u00edk. Pro dosa\u017een\u00ed dobr\u00e9ho \u00fa\u010din\u00edku se doporu\u010duje udr\u017eovat kompenza\u010dn\u00ed s\u00ed\u0165 v rozmez\u00ed 0,95 a\u017e 0,98. Pokud v\u0161ak \u00fa\u010din\u00edk pracuje s hodnotou 0,85 nebo ni\u017e\u0161\u00ed, je obecn\u011b pova\u017eov\u00e1n za \u0161patn\u00fd.<\/p><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

V\u00fdkonov\u00fd faktor (Pf) m\u011b\u0159\u00ed \u00fa\u010dinnost vyu\u017eit\u00ed elektrick\u00e9 energie v osv\u011btlovac\u00edch syst\u00e9mech. P\u0159edstavuje pom\u011br mezi skute\u010dn\u00fdm v\u00fdkonem (m\u011b\u0159en\u00fdm ve wattech) a zd\u00e1nliv\u00fdm v\u00fdkonem (m\u011b\u0159en\u00fdm ve voltamp\u00e9rech nebo VA).<\/p>","protected":false},"author":4,"featured_media":12859,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"AC circuit\", \"idxall\": 0, \"keywordtitlesimi\": 0.801173210144043, \"keywordslugsimi\": 0.7899566292762756, \"paratitlesimi\": 0.6756516695022583, \"paraslugsimi\": 0.647367000579834, \"slug\": \"what-is-alternating-current-ac\", \"title\": \"What is Alternating Current (AC)\", \"id\": 12822}, {\"keyword\": \"lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7966203689575195, \"keywordslugsimi\": 0.7966203689575195, \"paratitlesimi\": 0.6337056756019592, \"paraslugsimi\": 0.6337056756019592, \"slug\": \"tips-for-increasing-the-efficiency-of-commercial-lighting\", \"title\": \"Tips for Increasing the Efficiency of Commercial Lighting\", \"id\": 10327}, {\"keyword\": \"lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7965569078922272, \"keywordslugsimi\": 0.7629729866981506, \"paratitlesimi\": 0.6310725420713424, \"paraslugsimi\": 0.6022776782512665, \"slug\": \"indoor-motion-sensor-light-guide\", \"title\": \"A Guide to Indoor Motion Sensor Lights\", \"id\": 9224}, {\"keyword\": \"lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7914118677377702, \"keywordslugsimi\": 0.7914118677377702, \"paratitlesimi\": 0.6120138198137284, \"paraslugsimi\": 0.6120138198137284, \"slug\": \"bedroom-lighting-buyer-guide\", \"title\": \"Bedroom Lighting Buyer Guide\", \"id\": 8741}, {\"keyword\": \"watts\", \"idxall\": 0, \"keywordtitlesimi\": 0.779054582118988, \"keywordslugsimi\": 0.779054582118988, \"paratitlesimi\": 0.6543619632720947, \"paraslugsimi\": 0.6543619632720947, \"slug\": \"what-is-watts-to-lumens\", \"title\": \"What is Watts To Lumens\", \"id\": 13904}, {\"keyword\": \"watts\", \"idxall\": 0, \"keywordtitlesimi\": 0.7730239629745483, \"keywordslugsimi\": 0.7730239629745483, \"paratitlesimi\": 0.6420571208000183, \"paraslugsimi\": 0.6420571208000183, \"slug\": \"what-is-lumens-to-watts\", \"title\": \"What is Lumens To Watts\", \"id\": 13890}, {\"keyword\": \"power supply infrastructure\", \"idxall\": 0, \"keywordtitlesimi\": 0.7695426940917969, \"keywordslugsimi\": 0.7695426940917969, \"paratitlesimi\": 0.5949327945709229, \"paraslugsimi\": 0.5949327945709229, \"slug\": \"what-is-power-supply\", \"title\": \"What is Power Supply\", \"id\": 14202}, {\"keyword\": \"lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7588502168655396, \"keywordslugsimi\": 0.7588502168655396, \"paratitlesimi\": 0.6614612936973572, \"paraslugsimi\": 0.6614612936973572, \"slug\": \"what-is-lighting-terminology\", \"title\": \"What is Lighting Terminology\", \"id\": 12947}, {\"keyword\": \"efficiency of electrical power usage\", \"idxall\": 0, \"keywordtitlesimi\": 0.757061243057251, \"keywordslugsimi\": 0.757061243057251, \"paratitlesimi\": 0.6084756851196289, \"paraslugsimi\": 0.6084756851196289, \"slug\": \"what-is-efficiency\", \"title\": \"What is Efficiency\", \"id\": 14188}, {\"keyword\": \"efficiency of electrical power usage\", \"idxall\": 0, \"keywordtitlesimi\": 0.7543753385543823, \"keywordslugsimi\": 0.7543753385543823, \"paratitlesimi\": 0.6951773166656494, \"paraslugsimi\": 0.6951773166656494, \"slug\": \"what-is-lamp-efficiency\", \"title\": \"What is Lamp Efficiency\", \"id\": 14301}, {\"keyword\": \"watts\", \"idxall\": 0, \"keywordtitlesimi\": 0.7509353160858154, \"keywordslugsimi\": 0.7509353160858154, \"paratitlesimi\": 0.6771267652511597, \"paraslugsimi\": 0.6771267652511597, \"slug\": \"what-is-fixture-watts\", \"title\": \"What is Fixture Watts\", \"id\": 13887}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Power Factor (Pf)","glossary_alter":"","glossary_def":"Power Factor (Pf) is a term used in the lighting industry to measure the efficiency of electrical power usage in lighting systems. It represents the ratio between real power (measured in watts) and apparent power (measured in volt-amperes or VA). The power factor is calculated by dividing the real power by the apparent power.\n\nIn an AC circuit, the power factor is influenced by the phase difference between the voltage and the current. A power factor of 1 indicates that the voltage and current are in perfect synchronization, resulting in efficient power usage. However, in circuits with inductive or capacitive loads, the power factor can be less than 1, indicating a less efficient use of power.\n\nA low power factor can result in increased energy consumption, higher electricity bills, and potential issues with electrical equipment. It can also place a greater burden on the power supply infrastructure and lead to inefficiencies in the power grid.\n\nTo improve power factor, power factor correction (PFC) techniques are used. These techniques involve the use of capacitors or other devices to offset the reactive power and bring the power factor closer to 1. By improving the power factor, energy usage can be optimized, and wastage can be reduced.\n\nIn summary, Power Factor (Pf) is a measure of the efficiency of electrical power usage in lighting systems. It is calculated as the ratio of real power to apparent power and is influenced by the phase difference between voltage and current. A low power factor can lead to increased energy consumption and potential issues with electrical equipment. Power factor correction techniques can be employed to improve efficiency and reduce wastage.","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-13327","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"\nWhat is Power Factor (PF) - Rayzeek<\/title>\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.rayzeek.com\/cs\/glosar\/co-je-to-ucinik-pf\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Power Factor (PF) - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"Power Factor (Pf) measures the efficiency of electrical power usage in lighting systems. It represents the ratio between real power (measured in watts) and apparent power (measured in volt-amperes or VA).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rayzeek.com\/cs\/glosar\/co-je-to-ucinik-pf\" \/>\n<meta property=\"og:site_name\" content=\"Rayzeek\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-01T04:12:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-26T08:37:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Horace He\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@RayzeekTech\" \/>\n<meta name=\"twitter:site\" content=\"@RayzeekTech\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"Horace He\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-power-factor-pf#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-power-factor-pf\"},\"author\":{\"name\":\"Horace He\",\"@id\":\"https:\/\/www.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4\"},\"headline\":\"What is Power Factor (PF)\",\"datePublished\":\"2023-08-01T04:12:01+00:00\",\"dateModified\":\"2023-12-26T08:37:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-power-factor-pf\"},\"wordCount\":463,\"publisher\":{\"@id\":\"https:\/\/www.rayzeek.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-power-factor-pf#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-1.jpg\",\"keywords\":[\"glossary\"],\"articleSection\":[\"glossary\"],\"inLanguage\":\"cs\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-power-factor-pf\",\"url\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-power-factor-pf\",\"name\":\"What is Power Factor (PF) - 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