{"id":66698,"date":"2023-03-24T06:19:51","date_gmt":"2023-03-24T05:19:51","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/triak-co-to-rodzaje-zasada-dzialania-i-zastosowanie\/"},"modified":"2023-07-27T10:20:30","modified_gmt":"2023-07-27T08:20:30","slug":"triak-co-je-to-typy-princip-cinnosti-a-pouziti","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/triak-co-je-to-typy-princip-cinnosti-a-pouziti\/","title":{"rendered":"Triak &#8211; Co je to? Typy, princip \u010dinnosti a pou\u017eit\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\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"66698\" class=\"elementor elementor-66698 elementor-43146\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-31a8225 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"31a8225\" 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-526608e\" data-id=\"526608e\" 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-4c564ed elementor-widget elementor-widget-text-editor\" data-id=\"4c564ed\" 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>\n<strong>Pozor, pavouk! Triaky nejednou vyd\u011bsily pracovn\u00edky \u010dasopisu Botland, proto\u017ee n\u011bkter\u00e9 z nich lze na prvn\u00ed pohled zam\u011bnit za pavoukovce. Triaky a pavouci v\u0161ak maj\u00ed je\u0161t\u011b n\u011bco spole\u010dn\u00e9ho. Stejn\u011b jako je tento mal\u00fd \u017eivo\u010dich d\u016fle\u017eit\u00fd a u\u017eite\u010dn\u00fd v p\u0159\u00edrod\u011b, maj\u00ed triaky mimo\u0159\u00e1dn\u011b d\u016fle\u017eitou funkci v elektronice.<\/strong>\n<\/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-d0ddaed elementor-widget elementor-widget-heading\" data-id=\"d0ddaed\" 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<h2 class=\"elementor-heading-title elementor-size-default\"><h2 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Pisz tutaj...\" style=\"font-family: var( --e-global-typography-primary-font-family ), Sans-serif;font-weight: var( --e-global-typography-primary-font-weight )\">Co jsou to triaky (symistory, tyristory)?<\/h2><\/h2>\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-204ea37 elementor-section-full_width elementor-section-content-middle elementor-section-height-default elementor-section-height-default\" data-id=\"204ea37\" 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-4721ee8\" data-id=\"4721ee8\" 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-5bfadf9 elementor-widget elementor-widget-text-editor\" data-id=\"5bfadf9\" 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><a style=\"background-color: #ffffff;\" href=\"https:\/\/botland.cz\/205-triaky\" data-wpel-link=\"internal\">Triak<\/a> (TRIAC, z anglick\u00e9ho Triode for Alternating Current) je mal\u00e1 t\u0159\u00edp\u00f3lov\u00e1 elektronick\u00e1 sou\u010d\u00e1stka, kter\u00e1 po spu\u0161t\u011bn\u00ed vede proud ob\u011bma sm\u011bry. Term\u00edn TRIAC je zobecn\u011bn\u00e1 ochrann\u00e1 zn\u00e1mka, tak\u017ee kdy\u017e se setk\u00e1me s term\u00ednem symistor nebo tyristor, jde o triak, ale ne v\u017edy. Tyristor je toti\u017e b\u011b\u017en\u00fd term\u00edn pro \u0161irokou \u0161k\u00e1lu polovodi\u010dov\u00fdch prvk\u016f pou\u017e\u00edvan\u00fdch jako elektronick\u00fd sp\u00edna\u010d. Form\u00e1ln\u011b a p\u0159esn\u011bji \u0159e\u010deno jsou triaky podskupinou tyristor\u016f. Tyristory se pou\u017e\u00edvaj\u00ed p\u0159edev\u0161\u00edm p\u0159i vysok\u00fdch nap\u011bt\u00edch a proudech. Nej\u010dast\u011bji pou\u017e\u00edvan\u00fdmi tyristory jsou st\u0159\u00eddav\u00e1 trioda neboli triak a k\u0159em\u00edkov\u00fd \u0159\u00edzen\u00fd usm\u011br\u0148ova\u010d neboli SCR.<\/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-1210c5b\" data-id=\"1210c5b\" 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-cc5ddfe elementor-widget elementor-widget-image\" data-id=\"cc5ddfe\" 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\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/03\/01589_4_kwadrat.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"01589_4_kwadrat\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NTg3NzEsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wM1wvMDE1ODlfNF9rd2FkcmF0LmpwZyJ9\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/03\/01589_4_kwadrat-1024x1024.jpg\" class=\"attachment-large size-large wp-image-58771\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/03\/01589_4_kwadrat-1024x1024.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/03\/01589_4_kwadrat-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/03\/01589_4_kwadrat-150x150.jpg 150w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/03\/01589_4_kwadrat-768x768.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/03\/01589_4_kwadrat.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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-de2708a elementor-align-center elementor-widget elementor-widget-button\" data-id=\"de2708a\" 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=\"\/205-triacs\" 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<div class=\"elementor-element elementor-element-92ee29e elementor-widget elementor-widget-heading\" data-id=\"92ee29e\" 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<h2 class=\"elementor-heading-title elementor-size-default\"><h2 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Pisz tutaj...\" style=\"font-family: var( --e-global-typography-primary-font-family ), Sans-serif;font-weight: var( --e-global-typography-primary-font-weight )\">Triak vs SCR<\/h2><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e72c5b elementor-widget elementor-widget-text-editor\" data-id=\"5e72c5b\" 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>Toto srovn\u00e1n\u00ed bude d\u016fle\u017eit\u00e9 pro zbytek dne\u0161n\u00edho \u010dl\u00e1nku. Triaky \u00fazce souvisej\u00ed s k\u0159em\u00edkov\u00fdmi usm\u011br\u0148ova\u010di (SCR). Od SCR se li\u0161\u00ed t\u00edm, \u017ee umo\u017e\u0148uj\u00ed pr\u016fchod proudu ob\u011bma sm\u011bry, zat\u00edmco SCR mohou v\u00e9st proud pouze jedn\u00edm sm\u011brem. V\u011bt\u0161inu triak\u016f lze spou\u0161t\u011bt p\u0159iveden\u00edm kladn\u00e9ho nebo z\u00e1porn\u00e9ho nap\u011bt\u00ed na hradlo, zat\u00edmco SCR vy\u017eaduje kladn\u00e9 nap\u011bt\u00ed. Po spu\u0161t\u011bn\u00ed pokra\u010duj\u00ed SCR a triak ve veden\u00ed, i kdy\u017e se proud hradla zastav\u00ed, dokud hlavn\u00ed proud neklesne pod ur\u010ditou \u00farove\u0148, kter\u00e1 se naz\u00fdv\u00e1 udr\u017eovac\u00ed proud. V elektrick\u00fdch, elektromagnetick\u00fdch a elektronick\u00fdch za\u0159\u00edzen\u00edch je to minim\u00e1ln\u00ed proud, kter\u00fd mus\u00ed prot\u00e9kat obvodem, aby z\u016fstal v zapnut\u00e9m stavu. Triak je ekvivalentem dvou SCR zapojen\u00fdch v inverzn\u011b paraleln\u00edm uspo\u0159\u00e1d\u00e1n\u00ed se vz\u00e1jemn\u011b propojen\u00fdmi hradly.<\/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-516f49c elementor-widget elementor-widget-heading\" data-id=\"516f49c\" 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<h2 class=\"elementor-heading-title elementor-size-default\"><h2 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Pisz tutaj...\" style=\"font-family: var( --e-global-typography-primary-font-family ), Sans-serif;font-weight: var( --e-global-typography-primary-font-weight )\">Princip \u010dinnosti triak\u016f<\/h2><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9caae7c elementor-widget elementor-widget-text-editor\" data-id=\"9caae7c\" 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>\nTriaky jsou obousm\u011brn\u00e9 t\u0159\u00edelektrodov\u00e9 sp\u00edna\u010de st\u0159\u00eddav\u00e9ho proudu, kter\u00e9 umo\u017e\u0148uj\u00ed tok elektron\u016f v obou sm\u011brech. Jsou navr\u017eeny tak, aby poskytovaly prost\u0159edky pro v\u00fdvoj zdokonalen\u00fdch regul\u00e1tor\u016f st\u0159\u00eddav\u00e9ho proudu. Jsou k dispozici v r\u016fzn\u00fdch uspo\u0159\u00e1d\u00e1n\u00edch a zvl\u00e1dnou \u0161irok\u00fd rozsah proudu a nap\u011bt\u00ed. Vra\u0165me se na chv\u00edli k SCR &#8211; triaky maj\u00ed ve srovn\u00e1n\u00ed s nimi relativn\u011b mal\u00e9 proudov\u00e9 mo\u017enosti, proto\u017ee jsou obvykle omezeny na m\u00e9n\u011b ne\u017e 50 A a nemohou nahradit SCR ve vysokoproudov\u00fdch aplikac\u00edch.\n<\/p>\n<p>\nTriaky jsou v\u0161ak pova\u017eov\u00e1ny za univerz\u00e1ln\u00ed d\u00edky sv\u00e9 schopnosti pracovat s kladn\u00fdm nebo z\u00e1porn\u00fdm nap\u011bt\u00edm na svork\u00e1ch. Vzhledem k tomu, \u017ee SCR maj\u00ed nev\u00fdhodu, \u017ee vedou proud pouze jedn\u00edm sm\u011brem, je pro \u0159\u00edzen\u00ed mal\u00fdch v\u00fdkon\u016f ve st\u0159\u00eddav\u00e9m obvodu vhodn\u011bj\u0161\u00ed triak.\n<\/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-119fdae elementor-widget elementor-widget-heading\" data-id=\"119fdae\" 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<h2 class=\"elementor-heading-title elementor-size-default\">N\u00e1vrh a sch\u00e9ma triaku<\/h2>\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-dabf268 elementor-section-full_width elementor-section-content-middle elementor-section-height-default elementor-section-height-default\" data-id=\"dabf268\" 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-65e6881\" data-id=\"65e6881\" 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-2807a38 elementor-widget elementor-widget-image\" data-id=\"2807a38\" 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\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/09\/botland-wpis-1.png\" data-elementor-open-lightbox=\"yes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NTg0NTYsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIyXC8wOVwvYm90bGFuZC13cGlzLTEucG5nIn0%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"443\" height=\"403\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2022\/09\/botland-wpis-1.png\" class=\"attachment-large size-large wp-image-58456\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2022\/09\/botland-wpis-1.png 443w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2022\/09\/botland-wpis-1-300x273.png 300w\" sizes=\"(max-width: 443px) 100vw, 443px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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\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-1af6554\" data-id=\"1af6554\" 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-bcceea2 elementor-widget elementor-widget-text-editor\" data-id=\"bcceea2\" 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>A\u010dkoli triak a SCR vypadaj\u00ed podobn\u011b, jejich sch\u00e9matick\u00e9 symboly se v\u00fdrazn\u011b li\u0161\u00ed. Svorky triaku jsou hradlo (G &#8211; gate), svorka 1 (T1, svorka 1) a svorka 2 (T2, svorka 2). Chyb\u00ed zde ozna\u010den\u00ed anody a katody. Proud m\u016f\u017ee prot\u00e9kat ob\u011bma sm\u011bry p\u0159es svorky hlavn\u00edho vyp\u00edna\u010de T1 a T2. Svorka 1 je referen\u010dn\u00ed svorkou pro v\u0161echna nap\u011bt\u00ed. Svorka 2 je kryt nebo kovov\u00fd mont\u00e1\u017en\u00ed prvek, ke kter\u00e9mu lze p\u0159ipojit <a href=\"https:\/\/botland.cz\/102-radiatory\" data-wpel-link=\"internal\">chladi\u010d<\/a>.<\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8ae86d5 elementor-section-full_width elementor-section-content-middle elementor-section-height-default elementor-section-height-default\" data-id=\"8ae86d5\" 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-ba84915\" data-id=\"ba84915\" 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-6c24fc0 elementor-widget elementor-widget-text-editor\" data-id=\"6c24fc0\" 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>\nTriak blokuje proud v ka\u017ed\u00e9m sm\u011bru mezi T1 a T2. M\u016f\u017ee b\u00fdt spu\u0161t\u011bn k veden\u00ed v obou sm\u011brech kr\u00e1tkodob\u00fdm kladn\u00fdm nebo z\u00e1porn\u00fdm impulsem p\u0159iveden\u00fdm na hradlo. Pokud je na hradlo triaku p\u0159iveden spr\u00e1vn\u00fd sign\u00e1l, vede proud. Z\u016fstane vypnut\u00fd, dokud se v bod\u011b A nespust\u00ed br\u00e1na.\n<\/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-ebe0888\" data-id=\"ebe0888\" 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-cb4b13e elementor-widget elementor-widget-image\" data-id=\"cb4b13e\" 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\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/09\/botland-wpis-2.png\" data-elementor-open-lightbox=\"yes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NTg0NTcsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIyXC8wOVwvYm90bGFuZC13cGlzLTIucG5nIn0%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"437\" height=\"358\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2022\/09\/botland-wpis-2.png\" class=\"attachment-large size-large wp-image-58457\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2022\/09\/botland-wpis-2.png 437w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2022\/09\/botland-wpis-2-300x246.png 300w\" sizes=\"(max-width: 437px) 100vw, 437px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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\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-d3a8696 elementor-widget elementor-widget-text-editor\" data-id=\"d3a8696\" 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<ul>\n\n<li>V bod\u011b A spou\u0161t\u011bc\u00ed obvod impulzuje hradlo, triak se sepne a propust\u00ed proud.\n<\/li>\n<li>V bod\u011b B se p\u0159\u00edm\u00fd proud sn\u00ed\u017e\u00ed na nulu, triak se vypne.\n<\/li>\n<\/ul>\n<p>\nJednou z v\u00fdhod triaku je to, \u017ee prakticky nedoch\u00e1z\u00ed ke ztr\u00e1t\u00e1m energie p\u0159em\u011bnou na teplo. Teplo vznik\u00e1, kdy\u017e je proudu br\u00e1n\u011bno, nikoli kdy\u017e je proud vypnut. Triak je bu\u010f zcela zapnut\u00fd, nebo zcela vypnut\u00fd, nikdy neomezuje proud \u010d\u00e1ste\u010dn\u011b. Dal\u0161\u00ed d\u016fle\u017eitou vlastnost\u00ed triak\u016f je absence podm\u00ednky zp\u011btn\u00e9ho pr\u016frazu vysok\u00fdm nap\u011bt\u00edm a vysok\u00fdm proudem, jako je tomu u diod a SCR.\n<\/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-c1f4988 elementor-widget elementor-widget-heading\" data-id=\"c1f4988\" 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<h2 class=\"elementor-heading-title elementor-size-default\"><h2 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Pisz tutaj...\" style=\"font-family: var( --e-global-typography-primary-font-family ), Sans-serif;font-weight: var( --e-global-typography-primary-font-weight )\">Pou\u017eit\u00ed triak\u016f<\/h2><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89071e9 elementor-widget elementor-widget-text-editor\" data-id=\"89071e9\" 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>\nTriaky se \u010dasto pou\u017e\u00edvaj\u00ed m\u00edsto mechanick\u00fdch sp\u00edna\u010d\u016f kv\u016fli jejich univerz\u00e1lnosti. Krom\u011b toho jsou triaky p\u0159i n\u00edzk\u00e9m proudu \u00fasporn\u011bj\u0161\u00ed ne\u017e SCR zapojen\u00e9 z\u00e1dy k sob\u011b. Lze je nal\u00e9zt ve stm\u00edva\u010d\u00edch pro sv\u00edtidla, regul\u00e1torech v\u00fdkonu pro elektrick\u00e1 topn\u00e1 t\u011blesa nebo jako regul\u00e1tory ot\u00e1\u010dek pro motory.\n<\/p>\n<p>\nP\u0159i pou\u017eit\u00ed triak\u016f je t\u0159eba m\u00edt na pam\u011bti n\u011bkter\u00e9 mo\u017en\u00e9 pot\u00ed\u017ee. K ne\u00famysln\u00e9 aktivaci triaku m\u016f\u017ee doj\u00edt v d\u016fsledku n\u00e1hl\u00e9 zm\u011bny nap\u011bt\u00ed na jeho hlavn\u00edch svork\u00e1ch. Tento probl\u00e9m se \u0159e\u0161\u00ed zapojen\u00edm obvodu rezistor-kondenz\u00e1tor (RC) mezi hlavn\u00ed svorky. K efektu backlash (odporu) doch\u00e1z\u00ed v obvodech f\u00e1zov\u00e9 regulace, kdy je odpor nastaven na maximum, aby se sn\u00ed\u017eila \u00farove\u0148 v\u00fdkonu p\u0159ipojen\u00e9ho za\u0159\u00edzen\u00ed na minimum. Je to zp\u016fsobeno absenc\u00ed vyb\u00edjec\u00ed cesty pro specifickou kapacitu triaku na jeho z\u00e1t\u011b\u017eov\u00fdch svork\u00e1ch a zabra\u0148uje zapnut\u00ed p\u0159ipojen\u00e9ho za\u0159\u00edzen\u00ed. \u0158e\u0161en\u00edm je zajistit vyb\u00edjec\u00ed cestu p\u0159ipojen\u00edm vysokohodnotn\u00e9ho <a href=\"https:\/\/botland.cz\/50-rezistory-rezistory\" data-wpel-link=\"internal\">rezistoru<\/a> v s\u00e9rii s diakem nebo <a href=\"https:\/\/botland.cz\/51-kondenzatory\" data-wpel-link=\"internal\">kondenz\u00e1torem<\/a> mezi hradlem a hlavn\u00edmi svorkami. Nakonec ve f\u00e1zov\u00fdch \u0159\u00eddic\u00edch obvodech m\u016f\u017ee nastat nesymetrie (asymetrick\u00fd provoz triaku) kv\u016fli tomu, \u017ee triaky maj\u00ed r\u016fzn\u00e1 zap\u00ednac\u00ed nap\u011bt\u00ed pro ka\u017ed\u00fd sm\u011br. Tato konstrukce vede ke \u0161patn\u00e9mu profilu elektromagnetick\u00e9ho vyza\u0159ov\u00e1n\u00ed. Probl\u00e9m lze vy\u0159e\u0161it pou\u017eit\u00edm diaku v s\u00e9rii s hradlem triaku.\n<\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Seznamte se s triodou pro alternativn\u00ed proudy (triak, TRIAC), jej\u00ed konstrukc\u00ed, obvodov\u00fdmi charakteristikami, aplikacemi a zku\u0161ebn\u00edmi postupy.<\/p>\n","protected":false},"author":21,"featured_media":63498,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[548,549],"tags":[],"class_list":["post-66698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika-cs","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>Triak - Co je to? 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