{"id":89750,"date":"2019-12-31T18:37:11","date_gmt":"2019-12-31T17:37:11","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/cewki-i-dlawiki-indukcyjne-jak-to-dziala\/"},"modified":"2024-09-18T13:55:15","modified_gmt":"2024-09-18T11:55:15","slug":"civky-a-tlumivky-jak-funguji","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/civky-a-tlumivky-jak-funguji\/","title":{"rendered":"C\u00edvky a tlumivky &#8211; jak funguj\u00ed?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010dten\u00ed:<\/span> <span class=\"rt-time\"> 8<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"89750\" class=\"elementor elementor-89750 elementor-2444\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6d5ccd4f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6d5ccd4f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-393e1a57\" data-id=\"393e1a57\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6cbc529 elementor-widget elementor-widget-text-editor\" data-id=\"6cbc529\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Nejd\u016fle\u017eit\u011bj\u0161\u00edm \u00fakolem ka\u017ed\u00e9 induk\u010dn\u00ed tlumivky, zn\u00e1m\u00e9 tak\u00e9 jako induktor, je zabr\u00e1nit ne\u017e\u00e1douc\u00edm zm\u011bn\u00e1m proudu. Tato sou\u010d\u00e1stka se vyzna\u010duje velmi jednoduchou a nekomplikovanou strukturou, se kterou stoj\u00ed za to se sezn\u00e1mit. <\/b><b>.<\/b><\/p>\n<p>A\u010dkoli tyto komponenty nejsou pro digit\u00e1ln\u00ed elektroniku nezbytn\u00e9, pro analogovou elektroniku je tomu naopak. C\u00edvky jsou pak nejen nezbytnou sou\u010d\u00e1st\u00ed konstrukce, ale tak\u00e9 velmi u\u017eite\u010dn\u00e9. Kdy\u017e se proud proch\u00e1zej\u00edc\u00ed c\u00edvkou odpoj\u00ed, vytvo\u0159\u00ed se na jej\u00edch svork\u00e1ch nap\u011bt\u00ed, kter\u00e9 lze vyu\u017e\u00edt k n\u00e1vrhu zaj\u00edmav\u00fdch konstrukc\u00ed. Ve skute\u010dnosti je v\u0161ak vlastnost\u00ed tlumivek mnohem v\u00edce a stoj\u00ed za to se o nich v\u0161ech dozv\u011bd\u011bt.   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-b99bee0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b99bee0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e64092d\" data-id=\"e64092d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8a846aa elementor-widget elementor-widget-text-editor\" data-id=\"8a846aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Co je to c\u00edvka a induk\u010dn\u00ed tlumivka?<\/h2>\n<p>C\u00edvka slou\u017e\u00ed <strong>pouze k filtraci nap\u011bt\u00ed a z\u00e1rove\u0148 k zachycen\u00ed energie magnetick\u00e9ho pole<\/strong> a jej\u00ed vhodnost v dan\u00e9m obvodu je ur\u010dena <strong>parametrem henr (H),<\/strong> kter\u00fd umo\u017e\u0148uje m\u011b\u0159it magnetick\u00e9 pole, kter\u00e9 lze dan\u00fdm obvodem generovat. Elektromotorick\u00e1 s\u00edla vytvo\u0159en\u00e1 existenc\u00ed magnetick\u00e9ho pole vytv\u00e1\u0159\u00ed zp\u011btn\u00fd proud p\u0159\u00edmo zp\u016fsoben\u00fd zm\u011bnami proudu v dan\u00e9m obvodu, co\u017e je zn\u00e1mo jako samoindukce.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-22ba60f\" data-id=\"22ba60f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2b0e2fa elementor-widget elementor-widget-image\" data-id=\"2b0e2fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/dlawik-300x300.jpg\" class=\"attachment-medium size-medium wp-image-56417\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/dlawik-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/dlawik-150x150.jpg 150w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/dlawik.jpg 540w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Dr\u00e1tov\u00e1 tlumivka FerroCore.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-773cd31 elementor-widget elementor-widget-text-editor\" data-id=\"773cd31\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>T\u00edmto jevem tlumivka zabra\u0148uje zm\u011bn\u00e1m proudu. <strong>Jedn\u00e1 se o zcela pasivn\u00ed a relativn\u011b malou sou\u010d\u00e1stku,<\/strong> kter\u00e1 je v\u0161ak velmi \u010dasto nutn\u00e1 pro fungov\u00e1n\u00ed n\u011bkter\u00fdch obvod\u016f. C\u00edvky mohou bu\u010f <strong>tlumit proud,<\/strong> nebo <strong>fungovat jako p\u0159ij\u00edma\u010d r\u00e1diov\u00fdch vln v LC obvodu<\/strong>. Zaj\u00edmav\u00e9 je, \u017ee vinut\u00ed dvou c\u00edvek na stejn\u00e9 j\u00e1dro vykazuje \u010dinnost podobnou transform\u00e1toru.  <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62c5bd0 elementor-widget elementor-widget-text-editor\" data-id=\"62c5bd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Jak\u00fd je rozd\u00edl mezi tlumivkou a kondenz\u00e1torem?<\/h3>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a3d58f7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a3d58f7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-7caf09c\" data-id=\"7caf09c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68df49b elementor-widget elementor-widget-text-editor\" data-id=\"68df49b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>C\u00edvka<\/strong>, kter\u00e1 se \u010dasto ozna\u010duje jako tlumivka, se pou\u017e\u00edv\u00e1 k filtraci nap\u011bt\u00ed a rozd\u00edl mezi ob\u011bma formulacemi je pom\u011brn\u011b plynul\u00fd. C\u00edvka je obecn\u011b definovan\u00fd <strong>induktivn\u00ed prvek<\/strong>, zat\u00edmco <strong>tlumivka<\/strong> je ur\u010dena p\u0159\u00edmo k <strong>filtraci proudov\u00fdch poruch<\/strong>. Mnoho lid\u00ed pova\u017euje induktor za <strong>opa\u010dn\u00fd prvek ne\u017e kondenz\u00e1tor<\/strong>, co\u017e d\u00e1v\u00e1 velk\u00fd smysl. <b><a href=\"https:\/\/botland.cz\/51-kondenzatory\" data-wpel-link=\"internal\">Kondenz\u00e1tor<\/a><\/b> je do obvodu zapojen paraleln\u011b, zat\u00edmco induktor je zapojen s\u00e9riov\u011b. To je velmi velk\u00fd rozd\u00edl. Kondenz\u00e1tor se nab\u00edj\u00ed ze zdroje energie a lze jej ozna\u010dit za nouzov\u00fd zdroj energie v podob\u011b baterie s velmi malou \u201ekapacitou\u201c. C\u00edvky jsou zapojeny s\u00e9riov\u011b, tak\u017ee dokonale propou\u0161t\u011bj\u00ed konstantn\u00ed nap\u011bt\u00ed a zkracuj\u00ed ho pouze od prom\u011bnn\u00e9ho ru\u0161en\u00ed.     <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-cb63022\" data-id=\"cb63022\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4372657 elementor-grid-1 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-posts--show-avatar elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts\" data-id=\"4372657\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cards_columns&quot;:&quot;1&quot;,&quot;cards_columns_tablet&quot;:&quot;2&quot;,&quot;cards_columns_mobile&quot;:&quot;1&quot;,&quot;cards_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;cards_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;cards_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.cards\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-cards elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-59053 post type-post status-publish format-standard has-post-thumbnail hentry category-elektronika-cs category-kompendium-cs tag-elektronika-cs tag-kondenzator tag-pouziti tag-princip-cinnosti tag-typy-kondenzatoru tag-zastosowanie\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/botland.cz\/blog\/kondenzatory-jak-funguji-zasady-fungovani-a-pouziti\/\" tabindex=\"-1\" data-wpel-link=\"internal\"><div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"300\" height=\"150\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/05\/new2023-kondensatory-300x150.jpg\" class=\"attachment-medium size-medium wp-image-60007\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/05\/new2023-kondensatory-300x150.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/05\/new2023-kondensatory-1024x512.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/05\/new2023-kondensatory-768x384.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/05\/new2023-kondensatory.jpg 1510w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t<div class=\"termsbagdes\">\t\t\t\t\t<a class=\"post-bage-link\" href=\"\/blog\/category\/elektronika\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<div class=\"elementor-post__badge\" style=\"background-color: #485c7a\">Elektronika<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<a class=\"post-bage-link\" href=\"\/blog\/category\/kompendium\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<div class=\"elementor-post__badge\" style=\"background-color: \">Kompendium<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\t\t<div class=\"elementor-post__avatar\">\n\t\t\t<img data-del=\"avatar\" alt=\"Anna Wieczorek\" src='https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/02\/Anna-150x150.jpg' class='avatar pp-user-avatar avatar-128 photo ' height='128' width='128'\/>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/botland.cz\/blog\/kondenzatory-jak-funguji-zasady-fungovani-a-pouziti\/\" data-wpel-link=\"internal\">\n\t\t\t\tKondenz\u00e1tory &#8211; jak funguj\u00ed? Z\u00e1sady fungov\u00e1n\u00ed a pou\u017eit\u00ed\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/botland.cz\/blog\/kondenzatory-jak-funguji-zasady-fungovani-a-pouziti\/\" aria-label=\"Read more about Kondenz\u00e1tory &#8211; jak funguj\u00ed? Z\u00e1sady fungov\u00e1n\u00ed a pou\u017eit\u00ed\" tabindex=\"-1\" data-wpel-link=\"internal\">\n\t\t\tP\u0159e\u010dt\u011bte si v\u00edce \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-e214815 elementor-widget elementor-widget-text-editor\" data-id=\"e214815\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Kondenz\u00e1tor je vyroben z dvojice vodi\u010d\u016f, kter\u00e9 jsou odd\u011bleny dielektrikem. Elektrick\u00fd n\u00e1boj p\u0159iv\u00e1d\u011bn\u00fd na obaly kondenz\u00e1toru zp\u016fsobuje jeho hromad\u011bn\u00ed v za\u0159\u00edzen\u00ed pomoc\u00ed elektrostatick\u00e9 p\u0159ita\u017elivosti. Po odpojen\u00ed nap\u00e1jen\u00ed z\u016fstane n\u00e1boj na krytech. Na trhu existuje mnoho typ\u016f kondenz\u00e1tor\u016f se zcela odli\u0161n\u00fdmi zp\u016fsoby fungov\u00e1n\u00ed a prov\u00e1d\u011bn\u00ed jejich pr\u00e1ce.   <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7dd23b elementor-widget elementor-widget-text-editor\" data-id=\"a7dd23b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Konstrukce c\u00edvky<\/h2>\n<p>C\u00edvka m\u00e1 pom\u011brn\u011b jednoduchou a nekomplikovanou strukturu. Sou\u010d\u00e1stka se skl\u00e1d\u00e1 ze <strong>\u0161roubovit\u011b navinut\u00e9ho \u00faseku dr\u00e1tu<\/strong> r\u016fzn\u00e9 tlou\u0161\u0165ky v z\u00e1vislosti na typu a druhu c\u00edvky. Uvnit\u0159 t\u00e9to spir\u00e1ly se v z\u00e1vislosti na modelu mohou nach\u00e1zet r\u016fzn\u00e9 druhy materi\u00e1lu. Mezi nimi stoj\u00ed za zm\u00ednku j\u00e1dro z magnetick\u00e9ho materi\u00e1lu s vysokou \u00farovn\u00ed magnetick\u00fdch vlastnost\u00ed. V p\u0159\u00edpad\u011b tlumivek se nej\u010dast\u011bji pou\u017e\u00edvaj\u00ed feritov\u00e9 materi\u00e1ly, kter\u00e9 vykazuj\u00ed vysok\u00fd elektrick\u00fd odpor a n\u00edzkou satura\u010dn\u00ed indukci, nebo karaky, co\u017e je diamagnet vyroben\u00fd z pap\u00edru nebo plastu. Existuj\u00ed tak\u00e9 verze c\u00edvek bez j\u00e1dra &#8211; u t\u011bchto model\u016f je spir\u00e1lov\u00fd dr\u00e1t vypln\u011bn vzduchem. D\u016fle\u017eit\u00e1 je zde v\u0161ak jedna z\u00e1sada &#8211; dr\u00e1t tvo\u0159\u00edc\u00ed c\u00edvku mus\u00ed b\u00fdt dostate\u010dn\u011b tuh\u00fd, aby se spir\u00e1la sama neodv\u00edjela. Bez ohledu na zvolenou variantu je v\u0161ak t\u0159eba v\u011bd\u011bt, \u017ee vlastnosti c\u00edvek s j\u00e1drem a vzduchov\u00fdch c\u00edvek jsou stejn\u00e9, proto\u017ee materi\u00e1ly uvnit\u0159 c\u00edvky jsou magneticky inertn\u00ed.       <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-531ccd6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"531ccd6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-f58f17d\" data-id=\"f58f17d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1c787a6 elementor-widget elementor-widget-image\" data-id=\"1c787a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"345\" height=\"286\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/cewka.jpg\" class=\"attachment-large size-large wp-image-56418\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/cewka.jpg 345w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/cewka-300x249.jpg 300w\" sizes=\"(max-width: 345px) 100vw, 345px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Sch\u00e9ma induk\u010dn\u00ed c\u00edvky - tzv. n\u00e1hradn\u00ed, zjednodu\u0161en\u00fd. <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6a8e8d9\" data-id=\"6a8e8d9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f3eb6f9 elementor-widget elementor-widget-image\" data-id=\"f3eb6f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"564\" height=\"252\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/cewka-1.jpg\" class=\"attachment-large size-large wp-image-56423\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/cewka-1.jpg 564w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/cewka-1-300x134.jpg 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Skute\u010dn\u00e1 c\u00edvka vypad\u00e1 jako v\u00fd\u0161e uveden\u00e1.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed05ac4 elementor-widget elementor-widget-spacer\" data-id=\"ed05ac4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e02c599 elementor-widget elementor-widget-text-editor\" data-id=\"1e02c599\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<h3>Co je to indukce v c\u00edvce?<\/h3>\n<p><\/p>\n<p><\/p>\n<p>C\u00edvka je <strong>setrva\u010dn\u00fd prvek,<\/strong> tj. uchov\u00e1v\u00e1 energii v magnetick\u00e9m poli. V tomto za\u0159\u00edzen\u00ed z\u00e1vis\u00ed okam\u017eit\u00fd proud nejen na proudov\u00e9m nap\u011bt\u00ed, ale tak\u00e9 na minul\u00e9m nap\u011bt\u00ed. Je-li c\u00edvka p\u0159ipojena ke kondenz\u00e1toru, vznikne rezonan\u010dn\u00ed obvod. Tento obvod se chov\u00e1 jako rezon\u00e1tor a m\u016f\u017ee b\u00fdt ekvivalentem mechanick\u00e9ho oscila\u010dn\u00edho syst\u00e9mu. Tento obvod se pou\u017e\u00edv\u00e1 p\u0159edev\u0161\u00edm v radiotechnice a je st\u00e1le kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed stovek typ\u016f elektrick\u00fdch a elektronick\u00fdch za\u0159\u00edzen\u00ed.    <\/p>\n<p><\/p>\n<p><\/p>\n<h3>Pou\u017eit\u00ed induk\u010dn\u00ed tlumivky<\/h3>\n<p><\/p>\n<p><\/p>\n<p>Induk\u010dn\u00ed tlumivky maj\u00ed \u0161irok\u00e9 vyu\u017eit\u00ed, zejm\u00e9na v elektronick\u00e9m pr\u016fmyslu a elektrotechnice. Nej\u010dast\u011bji se pou\u017e\u00edvaj\u00ed v pohonn\u00fdch syst\u00e9mech, kde spolupracuj\u00ed s m\u011bni\u010di, tj. za\u0159\u00edzen\u00edmi, kter\u00e1 m\u011bn\u00ed stejnosm\u011brn\u00fd proud na st\u0159\u00eddav\u00fd s nastaviteln\u00fdm nap\u011bt\u00edm a frekvenc\u00ed. Krom\u011b toho se induk\u010dn\u00ed tlumivky pou\u017e\u00edvaj\u00ed tak\u00e9 v za\u0159\u00edzen\u00edch v\u00fdkonov\u00e9 elektroniky, kde je jejich \u00fa\u010delem sn\u00ed\u017eit mno\u017estv\u00ed elektromagnetick\u00e9ho ru\u0161en\u00ed, kter\u00e9 vznik\u00e1 p\u0159i provozu. Krom\u011b toho se tyto prvky pou\u017e\u00edvaj\u00ed v usm\u011br\u0148ova\u010d\u00edch nap\u00e1jen\u00fdch ze s\u00edt\u011b. V tomto p\u0159\u00edpad\u011b jsou ur\u010deny k potla\u010den\u00ed zvln\u011bn\u00ed. Ve st\u0159\u00eddav\u00fdch obvodech se induk\u010dn\u00ed tlumivky pou\u017e\u00edvaj\u00ed k minimalizaci zkratov\u00fdch proud\u016f.      <\/p>\n<p><\/p>\n<p><\/p>\n<p>Krom\u011b toho jsou tlumivky vynikaj\u00edc\u00ed ochranou proti ru\u0161en\u00ed pro st\u0159\u00eddav\u00e9 obvody b\u011b\u017en\u011b pou\u017e\u00edvan\u00fdch za\u0159\u00edzen\u00ed. Je tak\u00e9 dobr\u00e9 v\u011bd\u011bt, \u017ee induk\u010dn\u00ed tlumivka najde uplatn\u011bn\u00ed v p\u0159\u00edpad\u011b pulzn\u00edch stabiliz\u00e1tor\u016f pracuj\u00edc\u00edch na vysok\u00fdch frekvenc\u00edch, tj. integrovan\u00fdch obvod\u016f nap\u00e1jej\u00edc\u00edch danou z\u00e1t\u011b\u017e. Tyto stabiliz\u00e1tory jsou zodpov\u011bdn\u00e9 za v\u00fdrobu stabiln\u00edho v\u00fdstupn\u00edho nap\u011bt\u00ed na z\u00e1klad\u011b jevu samoindukce. Nem\u00e9n\u011b \u010dastou aplikac\u00ed induk\u010dn\u00ed tlumivky je jej\u00ed pou\u017eit\u00ed k p\u0159eru\u0161en\u00ed proudu \u0159\u00edd\u00edc\u00edho tranzistory v m\u011bni\u010d\u00edch postaven\u00fdch na tyristorech. To znamen\u00e1, \u017ee tlumivka je jedn\u00edm z nejuniverz\u00e1ln\u011bj\u0161\u00edch elektrick\u00fdch za\u0159\u00edzen\u00ed a jej\u00ed v\u00fdznam v obvodu by nem\u011bl b\u00fdt podce\u0148ov\u00e1n.    <\/p>\n<h2>Rezistence tlumivek &#8211; co stoj\u00ed za to v\u011bd\u011bt?<\/h2>\n<p>Na rozd\u00edl od kondenz\u00e1tor\u016f jsou tlumivky sp\u00edn\u00e1ny s\u00e9riov\u011b s nap\u00e1jen\u00fdm za\u0159\u00edzen\u00edm. To je nesm\u00edrn\u011b d\u016fle\u017eit\u00e9, proto\u017ee tlumivka m\u00e1 velmi mal\u00fd odpor pro stejnosm\u011brn\u00fd proud a mnohem v\u011bt\u0161\u00ed odpor pro st\u0159\u00eddav\u00fd proud. Chcete-li zkontrolovat odpor tlumivek, m\u016f\u017eete prov\u00e9st ur\u010dit\u00fd pokus, kter\u00fd nen\u00ed obt\u00ed\u017en\u00fd, ale je tak\u00e9 velmi \u00fa\u010dinn\u00fd. Sta\u010d\u00ed nastavit multimetr, kombinovan\u00fd p\u0159\u00edstroj ur\u010den\u00fd k m\u011b\u0159en\u00ed r\u016fzn\u00fdch fyzik\u00e1ln\u00edch veli\u010din, na m\u011b\u0159en\u00ed odporu a zvolit nejmen\u0161\u00ed mo\u017en\u00fd rozsah. Pot\u00e9 spojte jeho hroty dohromady a zaznamenejte z\u00edskan\u00fd v\u00fdsledek. Dal\u0161\u00edm krokem je zm\u011b\u0159it odpor samotn\u00e9 tlumivky a v\u00fdsledek rovn\u011b\u017e zaznamenat. V podstat\u011b bude odpor tlumivky rozd\u00edlem mezi ob\u011bma, zapsan\u00fdmi v\u00fdsledky.      <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5434ba4 elementor-widget elementor-widget-image\" data-id=\"5434ba4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"499\" height=\"250\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/rezystory.jpg\" class=\"attachment-medium_large size-medium_large wp-image-56420\" alt=\"Widerst\u00e4nde - verdrahtete und beheizte Widerst\u00e4nde, SMD, Widerstandsdr\u00e4hte\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/rezystory.jpg 499w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/rezystory-300x150.jpg 300w\" sizes=\"(max-width: 499px) 100vw, 499px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Rezistory - dr\u00e1tov\u00e9 a \u017ehaven\u00e9 rezistory, SMD, odporov\u00e9 dr\u00e1ty<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-079a8db elementor-align-center elementor-widget elementor-widget-button\" data-id=\"079a8db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.cz\/50-rezistory-odporniky\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">POD\u00cdVEJTE SE NA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a224322 elementor-widget elementor-widget-text-editor\" data-id=\"a224322\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Jak\u00fd je \u00fa\u010del takov\u00e9ho experimentu? No, kdy\u017e v\u00edme, \u017ee odpor sou\u010d\u00e1stky je mal\u00fd, a z\u00e1rove\u0148 chceme zn\u00e1t p\u0159esn\u00fd v\u00fdsledek, mohl by b\u00fdt tento v\u00fdsledek nadhodnocen vlivem vodi\u010d\u016f, tak\u017ee v\u00fdsledn\u00e9 \u00fadaje by byly pokryteck\u00e9. Pr\u00e1v\u011b z tohoto d\u016fvodu je mal\u00fd odpor viditeln\u00fd pouze na nejmen\u0161\u00edm m\u011b\u0159ic\u00edm rozsahu m\u011b\u0159idla, a proto m\u016f\u017ee b\u00fdt takov\u00fd experiment v mnoha p\u0159\u00edpadech nezbytn\u00fd.  <\/p>\n<h3>Kl\u00ed\u010dov\u00e9 parametry c\u00edvky<\/h3>\n<p>Induktor je charakterizov\u00e1n n\u011bkolika parametry, kter\u00e9 jsou velmi d\u016fle\u017eit\u00e9 a maj\u00ed p\u0159\u00edm\u00fd vliv na jeho provoz. Nejd\u016fle\u017eit\u011bj\u0161\u00edm z nich je jednozna\u010dn\u011b induk\u010dnost, kter\u00e1 se vyjad\u0159uje v hertz\u00edch. V z\u00e1vislosti na aplikaci se samoz\u0159ejm\u011b vol\u00ed r\u016fzn\u00e9 hodnoty, p\u0159i\u010dem\u017e rozsah se po\u010d\u00edt\u00e1 od nano-Henry a\u017e po mili-Henry, z \u010deho\u017e vypl\u00fdv\u00e1, \u017ee rozsah je velmi \u0161irok\u00fd. Krom\u011b toho je ka\u017ed\u00e1 c\u00edvka charakterizov\u00e1na tak\u00e9 sv\u00fdm vlastn\u00edm odporem neboli rezistenc\u00ed. Odpor je veli\u010dina, kter\u00e1 vypl\u00fdv\u00e1 z odezvy mezi nap\u011bt\u00edm a proudem ve stejnosm\u011brn\u00fdch obvodech. Dal\u0161\u00edm parametrem je maxim\u00e1ln\u00ed proud, kter\u00fd stoj\u00ed za to rozebrat v jednom z n\u00e1sleduj\u00edc\u00edch odstavc\u016f t\u00e9to p\u0159\u00edru\u010dky.     <\/p>\n<p>P\u0159i anal\u00fdze parametr\u016f c\u00edvky je d\u016fle\u017eit\u00e9 v\u011bd\u011bt, \u017ee \u010d\u00edm vy\u0161\u0161\u00ed je jej\u00ed induk\u010dn\u00ed hodnota, t\u00edm l\u00e9pe pln\u00ed sv\u016fj \u00fakol filtra\u010dn\u00ed funkce. Stru\u010dn\u011b \u0159e\u010deno, v\u0161e, co c\u00edvkou prot\u00e9k\u00e1, je pozd\u011bji vyhlazeno kondenz\u00e1tory. Samotn\u00e1 c\u00edvka je v\u0161ak pasivn\u00ed prvek, co\u017e znamen\u00e1, \u017ee sama o sob\u011b nevyr\u00e1b\u00ed elektrickou energii.  <\/p>\n<h3>Maxim\u00e1ln\u00ed teplota c\u00edvky<\/h3>\n<p>Teplotu c\u00edvky ovliv\u0148uje n\u011bkolik faktor\u016f. Pat\u0159\u00ed mezi n\u011b mimo jin\u00e9 konstrukce konkr\u00e9tn\u00edho obvodu, v n\u011bm\u017e je c\u00edvka pou\u017eita, a tak\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed jednotliv\u00fdch sou\u010d\u00e1st\u00ed. Krom\u011b toho je stejn\u011b d\u016fle\u017eit\u00e1 velikost a tlou\u0161\u0165ka stop na desce plo\u0161n\u00fdch spoj\u016f (PCB), proud\u011bn\u00ed vzduchu a dal\u0161\u00ed faktory, kter\u00e9 maj\u00ed p\u0159\u00edm\u00fd vliv na kvalitu a v\u00fdkon chlazen\u00ed. Maxim\u00e1ln\u00ed teplota c\u00edvky v\u00e1m tedy mnoho ne\u0159ekne, proto\u017ee umo\u017e\u0148uje pouze ur\u010dit tuto hodnotu v kone\u010dn\u00e9m v\u00fdrobku. Je v\u0161ak t\u0159eba m\u00edt na pam\u011bti, \u017ee teplota c\u00edvky by nikdy nem\u011bla p\u0159ekro\u010dit limit stanoven\u00fd pro jej\u00ed nejnep\u0159\u00edzniv\u011bj\u0161\u00ed provozn\u00ed podm\u00ednky.    <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9ae980 elementor-widget elementor-widget-text-editor\" data-id=\"e9ae980\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Nest\u00edn\u011bn\u00e1 a st\u00edn\u011bn\u00e1 c\u00edvka<\/h2>\n<p>C\u00edvky se mimo jin\u00e9 li\u0161\u00ed sv\u00fdm st\u00edn\u011bn\u00edm nebo jeho absenc\u00ed, co\u017e zcela m\u011bn\u00ed jejich pou\u017eit\u00ed. <strong>C\u00edvky bez st\u00edn\u011bn\u00ed<\/strong> maj\u00ed otev\u0159en\u00fd magnetick\u00fd obvod, tak\u017ee proud prot\u00e9kaj\u00edc\u00ed vinut\u00edm indukuje v j\u00e1d\u0159e magnetick\u00fd tok, kter\u00fd opou\u0161t\u00ed j\u00e1dro a dost\u00e1v\u00e1 se na jeho druhou stranu, co\u017e znamen\u00e1 uzav\u0159en\u00ed cesty magnetick\u00e9ho toku. Magnetick\u00fd tok do jist\u00e9 m\u00edry interaguje s obvody v t\u011bsn\u00e9 bl\u00edzkosti, tak\u017ee v d\u016fsledku toho m\u016f\u017ee m\u011bnit jejich vlastnosti. <\/p>\n<p><strong>St\u00edn\u011bn\u00e1 c\u00edvka<\/strong> se od toho zna\u010dn\u011b li\u0161\u00ed. Magnetick\u00fd tok vytvo\u0159en\u00fd proudem prot\u00e9kaj\u00edc\u00edm vinut\u00edm nem\u016f\u017ee opustit j\u00e1dro, tak\u017ee tok nijak neovliv\u0148uje obvody v okol\u00ed tohoto prvku. Zaj\u00edmav\u00e9 je, \u017ee st\u00edn\u011bn\u00e1 c\u00edvka m\u00e1 mnohem ni\u017e\u0161\u00ed satura\u010dn\u00ed proud ne\u017e st\u00edn\u011bn\u00fd model, ale je tak\u00e9 podstatn\u011b dra\u017e\u0161\u00ed ne\u017e on. To znamen\u00e1, \u017ee ob\u011b formy budou nejl\u00e9pe fungovat pouze ve specifick\u00fdch p\u0159\u00edpadech. Z v\u00fdhod st\u00edn\u011bn\u00e9 c\u00edvky stoj\u00ed za zm\u00ednku mo\u017enost v\u00fdrazn\u00e9ho omezen\u00ed ne\u017e\u00e1douc\u00edho elektromagnetick\u00e9ho ru\u0161en\u00ed, tak\u017ee je lze pou\u017e\u00edt v\u017edy, kdy\u017e se chceme ru\u0161en\u00ed vyhnout. Tato v\u00fdhoda je velmi d\u016fle\u017eit\u00e1 p\u0159i pou\u017eit\u00ed sn\u00edma\u010d\u016f s vysokou sp\u00ednac\u00ed frekvenc\u00ed.     <\/p>\n<h3>C\u00edvka jako prost\u0159edek filtrace energie na b\u00e1zi Arduina UNO<\/h3>\n<p><b><a href=\"https:\/\/botland.cz\/zakladni-rada-arduino-originalni-desky\/1060-arduino-uno-rev3-a000066-7630049200050.html\" data-wpel-link=\"internal\">Arduino UNO<\/a><\/b> je obl\u00edben\u00fd a \u010dasto pou\u017e\u00edvan\u00fd obvod, kter\u00fd se vyzna\u010duje relativn\u00ed jednoduchost\u00ed. Prvky L2 a C10 v n\u011bm obsa\u017een\u00e9 spole\u010dn\u011b tvo\u0159\u00ed LC filtr, kter\u00fd tlum\u00ed a filtruje ru\u0161en\u00ed vznikaj\u00edc\u00ed p\u0159i nap\u00e1jen\u00ed jejich analogov\u00e9 \u010d\u00e1sti. Kondenz\u00e1tor C6 m\u00e1 za \u00fakol filtrovat nap\u00e1jen\u00ed digit\u00e1ln\u00ed \u010d\u00e1sti obvodu. A\u010dkoli nutnost zohlednit maxim\u00e1ln\u00ed proud odeb\u00edran\u00fd tlumivkou znamen\u00e1, \u017ee sama o sob\u011b obvykle nen\u00ed vhodn\u00fdm zp\u016fsobem nap\u00e1jen\u00ed obvodu, pro Arduino UNO bude d\u00edky sv\u00e9 n\u00edzk\u00e9 spot\u0159eb\u011b fungovat naprosto bez probl\u00e9m\u016f.    <\/p>\n<p>Tlumivka je d\u00edky sv\u00e9 konstrukci hlavn\u00ed p\u0159ek\u00e1\u017ekou st\u0159\u00eddav\u00e9ho proudu a ru\u0161en\u00ed nepravidelnostmi. Proud proch\u00e1zej\u00edc\u00ed tlumivkou je do jist\u00e9 m\u00edry &#8220;vyhlazen&#8221; od jak\u00e9hokoli ru\u0161en\u00ed kondenz\u00e1tory, co\u017e vede k \u010dist\u00e9mu a nezkreslen\u00e9mu proudu dod\u00e1van\u00e9mu do p\u0159evodn\u00edku. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc68697 elementor-widget elementor-widget-image\" data-id=\"fc68697\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/arduino-300x300.jpg\" class=\"attachment-medium size-medium wp-image-56419\" alt=\"Arduino-Boards\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/arduino-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/arduino-150x150.jpg 150w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/arduino.jpg 540w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Arduino<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38624c72 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"38624c72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.cz\/283-arduino-hlavni-moduly\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">POD\u00cdVEJTE SE NA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7168b7b elementor-widget elementor-widget-text-editor\" data-id=\"7168b7b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Maxim\u00e1ln\u00ed proud tlumivky<\/h3>\n<p><strong>Maxim\u00e1ln\u00ed proud<\/strong> je jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch parametr\u016f popisuj\u00edc\u00edch c\u00edvky. Vinut\u00ed sou\u010d\u00e1stek maj\u00ed d\u00edky sv\u00e9mu odporu za n\u00e1sledek, \u017ee se na nich p\u0159i pr\u016fchodu proudu ukl\u00e1d\u00e1 nap\u011bt\u00ed v souladu s Ohmov\u00fdm z\u00e1konem. Co to v praxi znamen\u00e1 pro kupuj\u00edc\u00edho? Sou\u010din nap\u011bt\u00ed a proudu je v\u00fdkon rozpt\u00fdlen\u00fd c\u00edvkou. Je t\u0159eba si uv\u011bdomit, \u017ee proud, kter\u00fd m\u00e1 prot\u00e9kat danou c\u00edvkou, by m\u011bl b\u00fdt v\u00fdrazn\u011b men\u0161\u00ed ne\u017e maxim\u00e1ln\u00ed p\u0159\u00edpustn\u00fd. P\u0159\u00edli\u0161 velk\u00fd v\u00fdkon toti\u017e zp\u016fsobuje p\u0159eh\u0159\u00e1t\u00ed a v d\u016fsledku toho sp\u00e1len\u00ed vinut\u00ed, a t\u00edm zcela znehodnot\u00ed provoz t\u00e9to mal\u00e9 elektrick\u00e9 sou\u010d\u00e1stky.     <\/p>\n<p>Plat\u00ed pravidlo, \u017ee \u010d\u00edm ten\u010d\u00ed je vodi\u010d, t\u00edm v\u011bt\u0161\u00ed je jeho induk\u010dnost, a naopak tlust\u00fd vodi\u010d m\u00e1 mnohem men\u0161\u00ed induk\u010dnost. Kostra m\u00e1 omezen\u00fd prostor, tak\u017ee vy\u0161\u0161\u00ed induk\u010dnost nut\u00ed pou\u017e\u00edt v\u00edce c\u00edvek. Stru\u010dn\u011b \u0159e\u010deno to znamen\u00e1, \u017ee \u010d\u00edm vy\u0161\u0161\u00ed je induk\u010dnost, t\u00edm ni\u017e\u0161\u00ed je maxim\u00e1ln\u00ed proud.  <\/p>\n<h2>Pou\u017eit\u00ed c\u00edvek &#8211; obecn\u00e9 informace<\/h2>\n<p>Induktory, jinak \u0159e\u010deno tlumivky, se pou\u017e\u00edvaj\u00ed p\u0159edev\u0161\u00edm <strong>v obvodech elektrick\u00fdch syst\u00e9m\u016f,<\/strong> kter\u00e9 jsou nap\u00e1jeny ze s\u00edt\u011b. Krom\u011b toho mohou tak\u00e9 <strong>uchov\u00e1vat energii<\/strong> v silov\u00fdch obvodech a r\u016fzn\u00fdch typech m\u011bni\u010d\u016f nap\u011bt\u00ed. Nav\u00edc dob\u0159e funguj\u00ed i jako <strong>p\u0159ed\u0159adn\u00edky,<\/strong> tak\u017ee se dob\u0159e hod\u00ed pro pou\u017eit\u00ed v obvodech, kter\u00e9 nap\u00e1jej\u00ed z\u00e1\u0159ivky a v\u00fdbojky.  <\/p>\n<p>C\u00edvka se po p\u0159ipojen\u00ed k m\u011bni\u010di tak\u00e9 velmi \u010dasto pou\u017e\u00edv\u00e1 v syst\u00e9mech a obvodech elektrick\u00fdch pohon\u016f, proto\u017ee <span style=\"font-weight: bolder;\">tlumivky minimalizuj\u00ed ru\u0161en\u00ed a komuta\u010dn\u00ed p\u0159ep\u011bt\u00ed v s\u00edti<\/span>. Zaj\u00edmav\u00e9 je, \u017ee motorov\u00e9 tlumivky nach\u00e1zej\u00ed uplatn\u011bn\u00ed jak v syst\u00e9mech stejnosm\u011brn\u00fdch, tak st\u0159\u00eddav\u00fdch pohon\u016f, proto\u017ee se instaluj\u00ed do obvod\u016f, kter\u00e9 propojuj\u00ed kabely <b><a href=\"https:\/\/botland.cz\/5-motory\" data-wpel-link=\"internal\">motoru <\/a><\/b>s m\u011bni\u010dem. Jak\u00e1 je jejich funkce v t\u011bchto p\u0159\u00edpadech? Inu, tlumivky zde pln\u00ed nesm\u00edrn\u011b d\u016fle\u017eitou \u00falohu, a sice jsou zodpov\u011bdn\u00e9 za <span style=\"font-weight: bolder;\">zaru\u010den\u00ed kontinuity <\/span>motoru <span style=\"font-weight: bolder;\">a vyhlazen\u00ed jeho pulzac\u00ed<\/span>.    Krom\u011b toho tlumivky p\u0159isp\u00edvaj\u00ed tak\u00e9 k <span style=\"font-weight: bolder;\">minimalizaci zkratov\u00e9ho proudu<\/span> v obvodu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1395af9 elementor-widget elementor-widget-text-editor\" data-id=\"1395af9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Pou\u017eit\u00ed c\u00edvek ve strojen\u00fdch filtrech<\/h3>\n<p><strong>Rezonan\u010dn\u00ed obvody<\/strong>, zn\u00e1m\u00e9 tak\u00e9 jako lad\u011bn\u00e9 filtry, maj\u00ed velmi d\u016fle\u017eit\u00fd v\u00fdznam prakticky v ka\u017ed\u00e9m elektrick\u00e9m za\u0159\u00edzen\u00ed. Slou\u017e\u00ed k <strong>selektivn\u00edmu tlumen\u00ed frekvenc\u00ed<\/strong>, proto se v jejich p\u0159\u00edpad\u011b vyplat\u00ed pou\u017e\u00edvat modely c\u00edvek s vysok\u00fdm parametrem Q (dobrota). Jak v\u00edme, goodness je veli\u010dina v rezonan\u010dn\u00edm syst\u00e9mu a slou\u017e\u00ed k ur\u010den\u00ed, kolikr\u00e1t je amplituda rezonan\u010dn\u00edho kmit\u00e1n\u00ed v\u011bt\u0161\u00ed ne\u017e stejn\u00e1 amplituda, ale v nerezonan\u010dn\u00ed oblasti. C\u00edvky pro lad\u011bn\u00e9 filtry se obvykle dod\u00e1vaj\u00ed v bezj\u00e1drov\u00e9m proveden\u00ed, m\u00e9n\u011b \u010dasto s feritov\u00fdm nebo karbonylov\u00fdm j\u00e1drem se vzduchovou mezerou. N\u011bkdy se pro n\u011bkter\u00e9 konstrukce pou\u017e\u00edvaj\u00ed tak\u00e9 c\u00edvky s nastavitelnou induk\u010dnost\u00ed a st\u00edn\u011bn\u00e9 a nest\u00edn\u011bn\u00e9 c\u00edvky, jako\u017e i toroidn\u00ed c\u00edvky.     <\/p>\n<h3>Tlumivky ve filtrech RFI &#8211; potla\u010den\u00ed ru\u0161en\u00ed<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9004d7b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9004d7b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e664003\" data-id=\"e664003\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ce59f8c elementor-widget elementor-widget-text-editor\" data-id=\"ce59f8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Potla\u010den\u00ed ne\u017e\u00e1douc\u00edho ru\u0161en\u00ed a sign\u00e1l\u016f<\/strong> se vyplat\u00ed sv\u011b\u0159it <strong>ru\u0161iv\u00fdm filtr\u016fm RFI,<\/strong> kter\u00e9 maj\u00ed vynikaj\u00edc\u00ed v\u00fdkon. Pou\u017e\u00edvaj\u00ed c\u00edvky s pom\u011brn\u011b vysokou \u00farovn\u00ed impedance a ve velk\u00e9m frekven\u010dn\u00edm rozsahu, co\u017e znamen\u00e1, \u017ee by m\u011bly m\u00edt n\u00edzkou \u00farove\u0148 dobroty Q. V\u011bt\u0161ina lid\u00ed se rozhoduje pro pou\u017eit\u00ed c\u00edvek s feritov\u00fdm j\u00e1drem nebo toroidn\u00edm j\u00e1drem, ale pouze pro konstrukce zahrnuj\u00edc\u00ed velmi mal\u00fd proud. Funguj\u00ed dob\u0159e hlavn\u011b proto, \u017ee maj\u00ed uzav\u0159en\u00fd magnetick\u00fd obvod a velmi mal\u00e9 rozptylov\u00e9 pole. N\u011bkdy je pot\u0159eba mezera, zejm\u00e9na p\u0159i vy\u0161\u0161\u00edch nebo velmi vysok\u00fdch proudech, a feritov\u00e9 j\u00e1dro s otev\u0159en\u00fdm magnetick\u00fdm obvodem.   <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-49d9ee7\" data-id=\"49d9ee7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-94193a2 elementor-widget elementor-widget-image\" data-id=\"94193a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"250\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/dlawik-przeciwzakloceniowy.jpg\" class=\"attachment-large size-large wp-image-56421\" alt=\"100uH\/90mA Axialdrossel\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/dlawik-przeciwzakloceniowy.jpg 250w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2019\/12\/dlawik-przeciwzakloceniowy-150x150.jpg 150w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Axi\u00e1ln\u00ed tlumivka 100uH\/90mA - p\u0159\u00edklad tlumivky proti ru\u0161en\u00ed.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-6db9b61 elementor-widget elementor-widget-text-editor\" data-id=\"6db9b61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Filtrace proudu a ukl\u00e1d\u00e1n\u00ed nap\u011bt\u00ed<\/h3>\n<p>U n\u011bkter\u00fdch sp\u00ednan\u00fdch nap\u00e1jec\u00edch zdroj\u016f m\u016f\u017ee doch\u00e1zet k <strong>vysokofrekven\u010dn\u00edmu ru\u0161en\u00ed<\/strong>. K jejich filtraci se velmi \u010dasto pou\u017e\u00edvaj\u00ed induktory, kter\u00e9 minimalizuj\u00ed riziko jejich v\u00fdskytu. Naproti tomu v m\u011bni\u010d\u00edch DC\/DC, kter\u00e9 se pou\u017e\u00edvaj\u00ed k nap\u00e1jen\u00ed dvou nez\u00e1visl\u00fdch zdroj\u016f, jako nap\u0159\u00edklad v p\u0159\u00edpad\u011b dvou bateri\u00ed, ukl\u00e1daj\u00ed energii c\u00edvky. V takov\u00fdch situac\u00edch se nejl\u00e9pe uplatn\u00ed feritov\u00e1 j\u00e1dra.   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-436dfea3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"436dfea3\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-75138e46\" data-id=\"75138e46\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-72d10998 elementor-widget elementor-widget-heading\" data-id=\"72d10998\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><br>Dob\u0159e, zkus\u00edm to s tou elektronikou, ale kde m\u00e1m za\u010d\u00edt...?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14fdf60 elementor-widget elementor-widget-image\" data-id=\"14fdf60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"73\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/07\/forbot-300x73.png\" class=\"attachment-medium size-medium wp-image-54371\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/07\/forbot-300x73.png 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/07\/forbot.png 414w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20e81ea5 elementor-widget elementor-widget-text-editor\" data-id=\"20e81ea5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Teoretick\u00e9 znalosti nejsou v\u0161echno &#8211; stoj\u00ed za to obohatit je prax\u00ed. Ve skute\u010dnosti by m\u011bly j\u00edt ruku v ruce. Jak na to krok za krokem, <b>od \u00farovn\u011b \u00fapln\u00e9ho za\u010d\u00e1te\u010dn\u00edka<\/b>?   <\/p>\n<p><span style=\"background-color: rgba(2, 1, 1, 0); font-size: 1rem;\">Kdy\u017e je v\u0161e uspo\u0159\u00e1d\u00e1no a vz\u00e1jemn\u011b se dopl\u0148uje, u\u010den\u00ed se nov\u00fdm t\u00e9mat\u016fm se st\u00e1v\u00e1 \u010dist\u00fdm pot\u011b\u0161en\u00edm. <\/span><span style=\"background-color: rgba(2, 1, 1, 0); font-size: 1rem;\">Polsk\u00e9 kurzy a knihy Forbot ji\u017e vyzkou\u0161ely tis\u00edce lid\u00ed. Pr\u00e1v\u011b s nimi se rod\u00ed nov\u00ed odborn\u00edci na elektroniku. \u010cek\u00e1 na v\u00e1s u\u010den\u00ed z\u00e1klad\u016f od z\u00e1klad\u016f a s praktick\u00fdm p\u0159\u00edstupem vlastn\u00edm tempem a s rozs\u00e1hlou online podporou.   <\/span><span style=\"background-color: rgba(2, 1, 1, 0); font-size: 1rem;\">Pod\u00edvejte se k n\u00e1m &#8211; m\u00e1me jich des\u00edtky a vzd\u011bl\u00e1vac\u00ed z\u00e1kladna pro budouc\u00ed in\u017een\u00fdry elektroniky se neust\u00e1le rozr\u016fst\u00e1!<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-710ff52b\" data-id=\"710ff52b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-20298e7 elementor-widget elementor-widget-image\" data-id=\"20298e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"540\" height=\"540\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/kursy-forbot.jpg\" class=\"attachment-large size-large wp-image-56383\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/kursy-forbot.jpg 540w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/kursy-forbot-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/kursy-forbot-150x150.jpg 150w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Knihy a kurzy Forbot<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40f76397 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"40f76397\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.cz\/\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">POD\u00cdVEJTE SE NA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a4d41d1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a4d41d1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2403f93\" data-id=\"2403f93\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9ec4316 elementor-widget elementor-widget-text-editor\" data-id=\"9ec4316\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"k-faq-accord\">\n<h2>C\u00edvky a tlumivky &#8211; \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<div class=\"tabs\">\n<div class=\"tab\"><input id=\"chck1\" type=\"checkbox\">\n<h3><label class=\"tab-label\" for=\"chck1\">Co je to c\u00edvka?<label><\/label><\/label><\/h3>\n<div class=\"tab-content\">\n<div>Nejd\u016fle\u017eit\u011bj\u0161\u00edm \u00fakolem c\u00edvky je filtrovat nap\u011bt\u00ed. Sou\u010dasn\u011b c\u00edvka uchov\u00e1v\u00e1 energii magnetick\u00e9ho pole. U\u017eite\u010dnost c\u00edvky je ur\u010dena jednotkou henr zkr\u00e1cen\u011b H.  <\/div>\n<\/div>\n<\/div>\n<div class=\"tab\"><input id=\"chck2\" type=\"checkbox\">\n<h3><label class=\"tab-label\" for=\"chck2\">K \u010demu se pou\u017e\u00edv\u00e1 induk\u010dn\u00ed c\u00edvka?<\/label><\/h3>\n<div class=\"tab-content\">\n<div>Pou\u017eit\u00ed <a href=\"https:\/\/botland.cz\/56-tlumivky\" data-wpel-link=\"internal\">induk\u010dn\u00edch tlumivek<\/a> je velmi \u0161irok\u00e9. Pou\u017e\u00edvaj\u00ed se nejen v elektrotechnick\u00e9m pr\u016fmyslu, ale tak\u00e9 v elektronice. Instaluj\u00ed se nap\u0159. Pou\u017e\u00edvaj\u00ed se nejen v elektrotechnick\u00e9m pr\u016fmyslu, ale tak\u00e9 v elektronice.   <\/div>\n<\/div>\n<\/div>\n<div class=\"tab\"><input id=\"chck3\" type=\"checkbox\">\n<h3><label class=\"tab-label\" for=\"chck3\">K \u010demu se tlumivka pou\u017e\u00edv\u00e1?<\/label><\/h3>\n<div class=\"tab-content\">\n<div>Pou\u017eit\u00ed <a href=\"https:\/\/botland.cz\/56-tlumivky\" data-wpel-link=\"internal\">tlumivky<\/a> je ochranou proti n\u00e1hl\u00fdm zm\u011bn\u00e1m proudu. Krom\u011b toho se tlumivky pou\u017e\u00edvaj\u00ed k omezen\u00ed proudu (st\u0159\u00eddav\u00e9ho, AC). Stru\u010dn\u011b \u0159e\u010deno, tlumivka filtruje ru\u0161iv\u00fd proud. P\u0159itom pat\u0159\u00ed do skupiny pasivn\u00edch sou\u010d\u00e1stek.   <\/div>\n<\/div>\n<\/div>\n<div class=\"tab\"><input id=\"chck4\" type=\"checkbox\">\n<h3><label class=\"tab-label\" for=\"chck4\">Kde se pou\u017e\u00edvaj\u00ed c\u00edvky?<\/label><\/h3>\n<div class=\"tab-content\">\n<div>C\u00edvky se pou\u017e\u00edvaj\u00ed mimo jin\u00e9 ve vod\u011b elektrick\u00e9ho syst\u00e9mu, kter\u00fd je nap\u00e1jen p\u0159\u00edmo ze s\u00edt\u011b. Krom\u011b toho se d\u00edky sv\u00e9 schopnosti uchov\u00e1vat energii pou\u017e\u00edvaj\u00ed nejen v m\u011bni\u010d\u00edch nap\u011bt\u00ed, ale tak\u00e9 v nap\u00e1jec\u00edch syst\u00e9mech. V\u0161em zv\u011bdavc\u016fm doporu\u010dujeme p\u0159e\u010d\u00edst si <a href=\"\" data-wpel-link=\"internal\">\u010dl\u00e1nek <\/a>o induk\u010dn\u00edch c\u00edvk\u00e1ch a induk\u010dn\u00edch tlumivk\u00e1ch.   <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>P\u0159i tvorb\u011b na\u0161ich p\u0159\u00edru\u010dek v\u017edy nejprve proch\u00e1z\u00edme nejd\u016fle\u017eit\u011bj\u0161\u00ed elektronick\u00e9 komponenty. Bez nich nen\u00ed mo\u017en\u00e9 pokra\u010dovat d\u00e1l. Co jsou to induktory a tlumivky?  <\/p>\n","protected":false},"author":6,"featured_media":60107,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[549],"tags":[],"class_list":["post-89750","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kompendium-cs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u00edvky a tlumivky - jak funguj\u00ed? - Botland<\/title>\n<meta name=\"description\" content=\"Zjist\u011bte, k \u010demu se induktory a tlumivky pou\u017e\u00edvaj\u00ed a jak funguj\u00ed. 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