{"id":13327,"date":"2023-08-01T04:12:01","date_gmt":"2023-08-01T04:12:01","guid":{"rendered":"https:\/\/staging.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:\/\/staging.rayzeek.com\/cs\/glossary\/what-is-power-factor-pf\/","title":{"rendered":"Co je \u00fa\u010din\u00edk (PF)"},"content":{"rendered":"

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

\u00da\u010din\u00edk (PF) m\u011b\u0159\u00ed efektivitu vyu\u017eit\u00ed elektrick\u00e9 energie v osv\u011btlovac\u00edch syst\u00e9mech. P\u0159edstavuje pom\u011br mezi \u010dinn\u00fdm v\u00fdkonem (m\u011b\u0159en\u00fdm ve wattech) a zd\u00e1nliv\u00fdm v\u00fdkonem (m\u011b\u0159en\u00fdm ve voltamp\u00e9rech neboli VA). \u00da\u010din\u00edk se vypo\u010d\u00edt\u00e1 vyd\u011blen\u00edm \u010dinn\u00e9ho v\u00fdkonu zd\u00e1nliv\u00fdm v\u00fdkonem.<\/p>\n\n\n\n

V obvodu st\u0159\u00eddav\u00e9ho proudu je \u00fa\u010din\u00edk ovlivn\u011bn f\u00e1zov\u00fdm posunem mezi nap\u011bt\u00edm a proudem. \u00da\u010din\u00edk o hodnot\u011b 1 zna\u010d\u00ed, \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 ni\u017e\u0161\u00ed ne\u017e 1, co\u017e zna\u010d\u00ed m\u00e9n\u011b efektivn\u00ed vyu\u017eit\u00ed energie.<\/p>\n

Hled\u00e1te \u00fasporn\u00e1 \u0159e\u0161en\u00ed aktivovan\u00e1 pohybem?<\/h3>

Kontaktujte n\u00e1s pro kompletn\u00ed PIR sn\u00edma\u010de pohybu, \u00fasporn\u00e9 produkty aktivovan\u00e9 pohybem, sp\u00edna\u010de s pohybov\u00fdm senzorem a komer\u010dn\u00ed \u0159e\u0161en\u00ed pro detekci p\u0159\u00edtomnosti \u010di nep\u0159\u00edtomnosti osob.<\/p>

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

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

Online chat<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n

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 potenci\u00e1ln\u00ed probl\u00e9my s elektrick\u00fdmi za\u0159\u00edzen\u00edmi. M\u016f\u017ee tak\u00e9 p\u0159edstavovat v\u011bt\u0161\u00ed z\u00e1t\u011b\u017e pro nap\u00e1jec\u00ed infrastrukturu a v\u00e9st k neefektivit\u011b v elektrick\u00e9 s\u00edti.<\/p>\n

Inspirujte se portfoliem sn\u00edma\u010d\u016f pohybu Rayzeek.<\/h3>

Nena\u0161li jste, co hled\u00e1te? Nem\u011bjte obavy. K vy\u0159e\u0161en\u00ed va\u0161ich po\u017eadavk\u016f existuj\u00ed v\u017edy alternativn\u00ed cesty. Mo\u017en\u00e1 v\u00e1m pom\u016f\u017ee n\u011bkter\u00e9 z na\u0161ich portfoli\u00ed.<\/p>

PIR sn\u00edma\u010de pohybu<\/p><\/a><\/div><\/div>

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

\u010cidla p\u0159\u00edtomnosti<\/p><\/a><\/div><\/div>

Sn\u00edma\u010d pohybu pro klimatizaci<\/p><\/a><\/div><\/div>

Sv\u011bteln\u00e9 p\u00e1sky s pohybov\u00fdm \u010didlem<\/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>\n\n\n\n

Ke zlep\u0161en\u00ed \u00fa\u010din\u00edku se pou\u017e\u00edvaj\u00ed techniky kompenzace \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 jej\u00ed ztr\u00e1ty.<\/p>\n\n\n\n

\u010casto kladen\u00e9 dotazy<\/h2>\n\n\n
\n

Jak\u00e1 je dobr\u00e1 hodnota \u00fa\u010din\u00edku v procentech<\/h3><\/div><\/div>\n\n\n\n
\n

\u00da\u010din\u00edk je pom\u011br \u010dinn\u00e9ho v\u00fdkonu ke zd\u00e1nliv\u00e9mu v\u00fdkonu. Za dobr\u00e9 procento \u00fa\u010din\u00edku se obvykle pova\u017euje hodnota mezi 1,0 a 0,95. \u00da\u010din\u00edky pod 0,95 jsou obecn\u011b pova\u017eov\u00e1ny za nedostate\u010dn\u00e9, zat\u00edmco hodnoty pod 0,85 za \u0161patn\u00e9.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

\n

Mohu nainstalovat LED sv\u011btlo bez nap\u00e1jec\u00edho zdroje<\/h3><\/div><\/div>\n\n\n\n
\n

Tento nap\u00e1jec\u00ed zdroj (driver) odpov\u00edd\u00e1 za p\u0159em\u011bnu st\u0159\u00eddav\u00e9ho proudu ze s\u00edt\u011b na vhodn\u00e9 stejnosm\u011brn\u00e9 nap\u011bt\u00ed pro nap\u00e1jen\u00ed LED sv\u011btla. Do\u0161lo v\u0161ak k pokroku v technologii, jako je zaveden\u00ed bezp\u0159ed\u0159adn\u00edkov\u00fdch LED \u017e\u00e1rovek na st\u0159\u00eddav\u00fd proud (AC driverless). Tyto \u017e\u00e1rovky lze zapojit p\u0159\u00edmo do s\u00edt\u011b st\u0159\u00eddav\u00e9ho proudu bez nutnosti jak\u00fdchkoli extern\u00edch modul\u016f nap\u00e1jec\u00edch zdroj\u016f.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

\n

Jak\u00fd nap\u00e1jec\u00ed zdroj je nejlep\u0161\u00ed pro LED sv\u011btla<\/h3><\/div><\/div>\n\n\n\n
\n

Obecn\u011b maj\u00ed nap\u00e1jec\u00ed zdroje (drivery) pro LED \u00fa\u010dinnost p\u0159ibli\u017en\u011b 80\u201385%. Nicm\u00e9n\u011b nej\u00fa\u010dinn\u011bj\u0161\u00ed mo\u017enost\u00ed pro provoz v\u00edce LED \u017e\u00e1rovek je zdroj UL Class 1.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

\n

Mohu pro LED pou\u017e\u00edt nap\u00e1jec\u00ed zdroj s vy\u0161\u0161\u00edm v\u00fdkonem<\/h3><\/div><\/div>\n\n\n\n
\n

Na rozd\u00edl od klasick\u00fdch \u017e\u00e1rovek v\u0161ak LED \u017e\u00e1rovky produkuj\u00ed m\u00e9n\u011b tepla. Proto je bezpe\u010dn\u00e9 pou\u017e\u00edt LED nap\u00e1jec\u00ed zdroj s vy\u0161\u0161\u00edm v\u00fdkonem, i kdy\u017e obj\u00edmka specifikuje ni\u017e\u0161\u00ed v\u00fdkon. Je v\u0161ak d\u016fle\u017eit\u00e9 poznamenat, \u017ee pou\u017eit\u00ed LED nap\u00e1jec\u00edho zdroje s vysok\u00fdm v\u00fdkonem nemus\u00ed b\u00fdt vhodn\u00e9 pro uzav\u0159en\u00e1 sv\u00edtidla.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

\n

Co je pova\u017eov\u00e1no za \u0161patn\u00fd \u00fa\u010din\u00edk<\/h3><\/div><\/div>\n\n\n\n
\n

Kompenzace \u00fa\u010din\u00edku je metoda, kter\u00e1 sni\u017euje odb\u011br energie vyu\u017eit\u00edm za\u0159\u00edzen\u00ed a zlep\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 dosahuje hodnoty 0,85 nebo ni\u017e\u0161\u00ed, je obecn\u011b pova\u017eov\u00e1n za \u0161patn\u00fd.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

Contact us for complete PIR motion sensors, motion-activated energy-saving products, motion sensor switches, and Occupancy\/Vacancy commercial solutions.Send an Email<div class = "insert_inquiry_button_wrapper insert_inquiry_button<\/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=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\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=\"Contact us for complete PIR motion sensors, motion-activated energy-saving products, motion sensor switches, and Occupancy\/Vacancy commercial solutions.Send an Email<div class = "insert_inquiry_button_wrapper insert_inquiry_button\" \/>\n<meta property=\"og:url\" content=\"https:\/\/staging.rayzeek.com\/cs\/\u0e2d\u0e20\u0e34\u0e18\u0e32\u0e19\u0e28\u0e31\u0e1e\u0e17\u0e4c\/what-is-power-factor-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:\/\/staging.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:\/\/staging.rayzeek.com\/th\/%e0%b8%ad%e0%b8%a0%e0%b8%b4%e0%b8%98%e0%b8%b2%e0%b8%99%e0%b8%a8%e0%b8%b1%e0%b8%9e%e0%b8%97%e0%b9%8c\/what-is-power-factor-pf\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/staging.rayzeek.com\/th\/%e0%b8%ad%e0%b8%a0%e0%b8%b4%e0%b8%98%e0%b8%b2%e0%b8%99%e0%b8%a8%e0%b8%b1%e0%b8%9e%e0%b8%97%e0%b9%8c\/what-is-power-factor-pf\/\"},\"author\":{\"name\":\"Horace He\",\"@id\":\"https:\/\/staging.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:\/\/staging.rayzeek.com\/th\/%e0%b8%ad%e0%b8%a0%e0%b8%b4%e0%b8%98%e0%b8%b2%e0%b8%99%e0%b8%a8%e0%b8%b1%e0%b8%9e%e0%b8%97%e0%b9%8c\/what-is-power-factor-pf\/\"},\"wordCount\":463,\"publisher\":{\"@id\":\"https:\/\/staging.rayzeek.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/staging.rayzeek.com\/th\/%e0%b8%ad%e0%b8%a0%e0%b8%b4%e0%b8%98%e0%b8%b2%e0%b8%99%e0%b8%a8%e0%b8%b1%e0%b8%9e%e0%b8%97%e0%b9%8c\/what-is-power-factor-pf\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-1.jpg\",\"keywords\":[\"glossary\"],\"articleSection\":[\"glossary\"],\"inLanguage\":\"cs\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/staging.rayzeek.com\/th\/%e0%b8%ad%e0%b8%a0%e0%b8%b4%e0%b8%98%e0%b8%b2%e0%b8%99%e0%b8%a8%e0%b8%b1%e0%b8%9e%e0%b8%97%e0%b9%8c\/what-is-power-factor-pf\/\",\"url\":\"https:\/\/staging.rayzeek.com\/th\/%e0%b8%ad%e0%b8%a0%e0%b8%b4%e0%b8%98%e0%b8%b2%e0%b8%99%e0%b8%a8%e0%b8%b1%e0%b8%9e%e0%b8%97%e0%b9%8c\/what-is-power-factor-pf\/\",\"name\":\"What is Power Factor (PF) - 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