[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.basama.cz\/elektronicke-predradniky-maji-vuci-svym-elektromagnetickym-predchudcum-znacne-vyhody\/#Article","mainEntityOfPage":"https:\/\/www.basama.cz\/elektronicke-predradniky-maji-vuci-svym-elektromagnetickym-predchudcum-znacne-vyhody\/","headline":"Elektronick\u00e9 p\u0159ed\u0159adn\u00edky maj\u00ed v\u016f\u010di sv\u00fdm elektromagnetick\u00fdm p\u0159edch\u016fdc\u016fm zna\u010dn\u00e9 v\u00fdhody","name":"Elektronick\u00e9 p\u0159ed\u0159adn\u00edky maj\u00ed v\u016f\u010di sv\u00fdm elektromagnetick\u00fdm p\u0159edch\u016fdc\u016fm zna\u010dn\u00e9 v\u00fdhody","description":"\u00b7 Jsou p\u0159edev\u0161\u00edm pom\u011brn\u011b mal\u00fdch rozm\u011br\u016f \u2013 n\u00edzk\u00e9 a \u00fazk\u00e9, tud\u00ed\u017e se snadno um\u00edst\u00ed pod...","datePublished":"2018-04-06","dateModified":"2023-05-07","author":{"@type":"Person","@id":"https:\/\/www.basama.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.basama.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/0412c3dad30f33fa104fa4f87b3ce5af9aea5f3e20fa015d071a3573d325a5fc?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/0412c3dad30f33fa104fa4f87b3ce5af9aea5f3e20fa015d071a3573d325a5fc?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"basama.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.basama.cz\/wp-content\/uploads\/img_a315932_w1970_t1526890742.jpg","url":"https:\/\/www.basama.cz\/wp-content\/uploads\/img_a315932_w1970_t1526890742.jpg","height":0,"width":0},"url":"https:\/\/www.basama.cz\/elektronicke-predradniky-maji-vuci-svym-elektromagnetickym-predchudcum-znacne-vyhody\/","about":["N\u00e1kupy"],"wordCount":405,"articleBody":" \u00b7 Jsou p\u0159edev\u0161\u00edm pom\u011brn\u011b mal\u00fdch rozm\u011br\u016f \u2013 n\u00edzk\u00e9 a \u00fazk\u00e9, tud\u00ed\u017e se snadno um\u00edst\u00ed pod z\u00e1\u0159ivkovou trubici. Jedn\u00e1 se o malou desti\u010dku plo\u0161n\u00e9ho spoje s elektronick\u00fdmi sou\u010d\u00e1stkami, kter\u00e1 je zatavena v plastov\u00e9m, p\u0159\u00edpadn\u011b kovov\u00e9m obalu. \u00b7 Jejich n\u00edzk\u00e1 hmotnost v\u016f\u010di star\u00fdm typ\u016fm osv\u011btlen\u00ed s tlumivkami a start\u00e9ry umo\u017e\u0148uje roz\u0161\u00ed\u0159en\u00ed do mnoha druh\u016f osv\u011btlovac\u00ed techniky. \u00b7 V transform\u00e1torech se pou\u017e\u00edvaj\u00ed feritov\u00e1 j\u00e1dra, nemaj\u00ed \u017e\u00e1dn\u00e9 komponenty z tenk\u00fdch ocelov\u00fdch plech\u016f, ve kter\u00fdch doch\u00e1z\u00ed k magnetick\u00e9 indukci (tlumivky). Z tohoto d\u016fvodu sv\u011btla nedrn\u010d\u00ed, ani nebzu\u010d\u00ed, co\u017e bylo \u010dast\u00fdm p\u0159\u00edpadem star\u00e9ho z\u00e1\u0159ivkov\u00e9ho osv\u011btlen\u00ed. \u00b7 Z\u00e1\u0159ivky nab\u00edhaj\u00ed jednor\u00e1zov\u011b v plynul\u00e9m re\u017eimu. P\u0159i rozsv\u011bcen\u00ed neblikaj\u00ed. Tuto vlastnost umo\u017e\u0148uj\u00ed p\u0159edeh\u0159\u00edvan\u00e9 elektrody. \u00b7 Z\u00e1\u0159ivky se d\u00edky elektronick\u00fdm p\u0159ed\u0159adn\u00edk\u016fm nap\u00e1j\u00ed frekvenc\u00ed elektrick\u00e9ho proudu v rozsahu od 30 do 50 tis\u00edc Hz. Tento vysokofrekven\u010dn\u00ed provoz je jednou z nejpodstatn\u011bj\u0161\u00edch v\u00fdhod modern\u00edch z\u00e1\u0159ivek. U klasick\u00fdch p\u0159ed\u0159adn\u00edk\u016f (elektromagnetick\u00fdch) bylo toti\u017e post\u0159ehnuteln\u00e9 nep\u0159\u00edjemn\u00e9 blik\u00e1n\u00ed z\u00e1\u0159ivek \u2013 p\u0159ed\u0159adn\u00edky pracovaly na frekvenci 50 Hz. \u00b7 Sou\u010dasn\u00e9 p\u0159ed\u0159adn\u00edky pracuj\u00ed stabiln\u011b p\u0159i vstupn\u00edm nap\u011bt\u00ed od 195 do 250 V. Vyu\u017e\u00edvaj\u00ed principu tzv. dvojit\u00e9 konverze, kter\u00e1 zaji\u0161\u0165uje stabilitu osvitu i p\u0159i kol\u00eds\u00e1n\u00ed vstupn\u00edho nap\u011bt\u00ed v rozvodn\u00e9 s\u00edti. \u00b7 Elektronick\u00e9 p\u0159ed\u0159adn\u00edky nevy\u017eaduj\u00ed \u017e\u00e1dn\u00e9 kompenza\u010dn\u00ed za\u0159\u00edzen\u00ed pro efektivn\u00ed pr\u00e1ci tzv. \u00fa\u010dinn\u00edku. \u00b7 Markantn\u00ed je \u00faspora elektrick\u00e9 energie. Ve srovn\u00e1n\u00ed se star\u00fdmi syst\u00e9my se start\u00e9rem a tlumivkou modern\u00ed za\u0159\u00edzen\u00ed spot\u0159ebuj\u00ed pouze zhruba 35 procent elekt\u0159iny. \u00b7 N\u011bkter\u00e9 modern\u00ed p\u0159ed\u0159adn\u00edky mohou z\u00e1\u0159ivky nejen rozsv\u011bcet, ale i stm\u00edvat. \u00b7 Elektronick\u00fd p\u0159ed\u0159adn\u00edk je sou\u010d\u00e1st\u00ed v\u00edce typ\u016f osv\u011btlovac\u00ed techniky. Jsou to jednak klasick\u00e1 z\u00e1\u0159ivkov\u00e1 t\u011blesa, a tak\u00e9 kompaktn\u00ed z\u00e1\u0159ivky (\u00fasporky). U kompaktn\u00edch z\u00e1\u0159ivek jsou p\u0159ed\u0159adn\u00edky p\u0159\u00edmo jejich sou\u010d\u00e1st\u00ed, u trubicov\u00fdch z\u00e1\u0159ivek se jedn\u00e1 o vym\u011bniteln\u00e9 d\u00edly. Speci\u00e1ln\u00ed kruhov\u00e9 z\u00e1\u0159ivky jsou konstruov\u00e1ny pouze pro modern\u00ed elektronick\u00e9 p\u0159ed\u0159adn\u00edky, kter\u00e9 mohou b\u00fdt bu\u010f analogov\u00e9, nebo digit\u00e1ln\u00ed. 4.3\/5 - (12 votes) "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Elektronick\u00e9 p\u0159ed\u0159adn\u00edky maj\u00ed v\u016f\u010di sv\u00fdm elektromagnetick\u00fdm p\u0159edch\u016fdc\u016fm zna\u010dn\u00e9 v\u00fdhody","item":"https:\/\/www.basama.cz\/elektronicke-predradniky-maji-vuci-svym-elektromagnetickym-predchudcum-znacne-vyhody\/#breadcrumbitem"}]}]