{"id":1851,"date":"2025-01-02T01:51:17","date_gmt":"2025-01-02T01:51:17","guid":{"rendered":"https:\/\/rf-capacitor.com\/?post_type=product&#038;p=1851"},"modified":"2025-01-02T01:51:17","modified_gmt":"2025-01-02T01:51:17","slug":"igbt-snubber-capacitors","status":"publish","type":"product","link":"https:\/\/rf-capacitor.com\/nl\/igbt-snubber-capacitors\/","title":{"rendered":"IGBT snubbercondensatoren"},"content":{"rendered":"<h3 data-sourcepos=\"1:1-1:27\"><strong>IGBT snubbercondensatoren<\/strong><\/h3>\n<p data-sourcepos=\"3:1-3:196\"><span class=\"citation-0 recitation citation-end-0\">In de vermogenselektronica worden IGBT's (Insulated Gate Bipolar Transistors) veel gebruikt voor schakeltoepassingen.<\/span> Hun snelle schakelsnelheden kunnen echter leiden tot ongewenste effecten zoals:<span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0 \u00a0<\/span><\/p>\n<ul data-sourcepos=\"5:1-7:0\">\n<li data-sourcepos=\"5:1-5:148\"><strong><span class=\"citation-1 recitation\">Hoge dv\/dt (veranderingssnelheid van de spanning):<\/span><\/strong><span class=\"citation-1 recitation citation-end-1\"> Dit kan overmatige spanningspieken over de IGBT veroorzaken, waardoor het apparaat beschadigd kan raken.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\"> \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-20 hide\">\n<div class=\"carousel-container ng-tns-c362440147-20\"><\/div>\n<\/div>\n<\/li>\n<li data-sourcepos=\"6:1-7:0\"><strong><span class=\"citation-2 recitation\">Hoge di\/dt (veranderingssnelheid van stroom):<\/span><\/strong><span class=\"citation-2 recitation citation-end-2\"> Dit kan elektromagnetische interferentie (EMI) genereren en de bijbehorende circuits belasten.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0 \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-21 hide\">\n<div class=\"carousel-container ng-tns-c362440147-21\"><\/div>\n<\/div>\n<\/li>\n<\/ul>\n<h3 data-sourcepos=\"8:1-8:20\"><strong>Snubberschakelingen<\/strong><\/h3>\n<p data-sourcepos=\"10:1-10:143\"><span class=\"citation-3 recitation citation-end-3\">Om deze problemen te beperken, worden snubbercircuits gebruikt.<\/span> <span class=\"citation-4 recitation citation-end-4\">Een belangrijk onderdeel van deze schakelingen is de snubbercondensator.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0<\/span><\/p>\n<h3 data-sourcepos=\"12:1-12:31\"><strong>Hoe IGBT-snubbercondensatoren werken<\/strong><\/h3>\n<ul data-sourcepos=\"14:1-16:0\">\n<li data-sourcepos=\"14:1-14:252\"><strong>Spanningspieken:<\/strong> Wanneer de IGBT uitschakelt, kan de parasitaire inductie in het circuit een snelle spanningsstijging over het apparaat veroorzaken. <span class=\"citation-5 recitation citation-end-5\">De snubbercondensator absorbeert deze plotselinge spanningspiek en beperkt zo de piekspanning over de IGBT.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\"> \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-23 hide\">\n<div class=\"carousel-container ng-tns-c362440147-23\"><\/div>\n<\/div>\n<\/li>\n<li data-sourcepos=\"15:1-16:0\"><strong>Huidig schakelen:<\/strong> <span class=\"citation-6 recitation citation-end-6\">Tijdens de uitschakelovergang biedt de snubbercondensator een pad voor de stroom om tijdelijk te stromen, waardoor de di\/dt wordt verminderd en de EMI wordt geminimaliseerd.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0 \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-24 hide\">\n<div class=\"carousel-container ng-tns-c362440147-24\"><\/div>\n<\/div>\n<\/li>\n<\/ul>\n<h3 data-sourcepos=\"17:1-17:45\"><strong>Belangrijkste kenmerken van IGBT-snubbercondensatoren<\/strong><\/h3>\n<ul data-sourcepos=\"19:1-23:0\">\n<li data-sourcepos=\"19:1-19:88\"><strong>Hoogspanningswaarde:<\/strong> Moet bestand zijn tegen de piekspanningen die optreden tijdens het schakelen.<\/li>\n<li data-sourcepos=\"20:1-20:104\"><strong><span class=\"citation-7 recitation\">Lage ESR (equivalente serieweerstand):<\/span><\/strong><span class=\"citation-7 recitation citation-end-7\"> Minimaliseert energieverliezen binnen de condensator.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0<\/span>\n<div class=\"container ng-tns-c362440147-25 hide\">\n<div class=\"carousel-container ng-tns-c362440147-25\"><\/div>\n<\/div>\n<\/li>\n<li data-sourcepos=\"21:1-21:110\"><strong>Snel opladen\/ontladen:<\/strong> In staat om snel energie op te nemen en weer af te geven tijdens het schakelen.<\/li>\n<li data-sourcepos=\"22:1-23:0\"><strong>Compact formaat:<\/strong> Om de benodigde ruimte in vermogenselektronische systemen te minimaliseren.<\/li>\n<\/ul>\n<h3 data-sourcepos=\"24:1-24:31\"><strong>Soorten snubbercondensatoren voor IGBT<\/strong><\/h3>\n<ul data-sourcepos=\"26:1-28:0\">\n<li data-sourcepos=\"26:1-26:112\"><strong>Filmcondensatoren:<\/strong> Vaak gebruikt vanwege hun hoge spanningswaarden, lage ESR en goede temperatuurstabiliteit.<\/li>\n<li data-sourcepos=\"27:1-28:0\"><strong><span class=\"citation-8 recitation\">Keramische condensatoren:<\/span><\/strong><span class=\"citation-8 recitation citation-end-8\"> Bieden een hoge capaciteit in een kleine behuizing, maar kunnen beperkingen hebben in spanningsbereik en temperatuurstabiliteit.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\">\u00a0 \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-26 hide\">\n<div class=\"carousel-container ng-tns-c362440147-26\"><\/div>\n<\/div>\n<\/li>\n<\/ul>\n<h3 data-sourcepos=\"29:1-29:25\"><strong>Ontwerpoverwegingen<\/strong><\/h3>\n<p data-sourcepos=\"31:1-31:80\">Bij de selectie en het ontwerp van snubbercondensatoren moet zorgvuldig rekening worden gehouden met:<\/p>\n<ul data-sourcepos=\"33:1-36:0\">\n<li data-sourcepos=\"33:1-33:85\"><strong>IGBT-schakelkarakteristieken:<\/strong> In-\/uitschakeltijden, piekstromen en spanningen.<\/li>\n<li data-sourcepos=\"34:1-34:69\"><strong>Circuitparameters:<\/strong> Parasitaire inductantie, belastingskarakteristieken.<\/li>\n<li data-sourcepos=\"35:1-36:0\"><strong><span class=\"citation-9 recitation\">Topologie van het snubbercircuit:<\/span><\/strong><span class=\"citation-9 recitation citation-end-9\"> Verschillende snubberconfiguraties (R-C, RCD) hebben verschillende gevolgen voor de prestaties van het circuit.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\"> \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-27 hide\">\n<div class=\"carousel-container ng-tns-c362440147-27\"><\/div>\n<\/div>\n<\/li>\n<\/ul>\n<h3 data-sourcepos=\"37:1-37:40\"><strong>Voordelen van het gebruik van snubbercondensatoren<\/strong><\/h3>\n<ul data-sourcepos=\"39:1-42:0\">\n<li data-sourcepos=\"39:1-39:90\"><strong>Verbeterde betrouwbaarheid van IGBT:<\/strong> Minder stress op het apparaat, wat leidt tot een langere levensduur.<\/li>\n<li data-sourcepos=\"40:1-40:68\"><strong>Minder EMI-uitstoot:<\/strong> Minimaliseert elektromagnetische interferentie.<\/li>\n<li data-sourcepos=\"41:1-42:0\"><strong><span class=\"citation-10 recitation\">Verbeterde systeemeffici\u00ebntie:<\/span><\/strong><span class=\"citation-10 recitation citation-end-10\"> Lagere vermogensverliezen dankzij lagere schakelverliezen.<\/span><span class=\"button-container hide-from-message-actions ng-star-inserted\"> \u00a0<\/span>\n<div class=\"container ng-tns-c362440147-28 hide\">\n<div class=\"carousel-container ng-tns-c362440147-28\"><\/div>\n<\/div>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<table style=\"height: 429px;\" width=\"689\">\n<tbody>\n<tr>\n<td width=\"146\"><strong><b>Product<\/b><\/strong>\u00a0<strong><b>Naam:<\/b><\/strong><\/td>\n<td width=\"601\">IGBT snubbercondensatoren<\/td>\n<\/tr>\n<tr>\n<td width=\"146\">\n<h4><strong>Korte beschrijving:<\/strong><\/h4>\n<\/td>\n<td width=\"601\">Wijd gebruikt in macht elektronisch elektronisch materiaal wanneer het piekvoltage, de bescherming van de piek huidige absorptie<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Capaciteitsbereik:<\/strong><\/td>\n<td width=\"601\">\u00a00,22\u03bcF~3\u03bcF<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Nominale spanning\uff1a<\/strong><\/td>\n<td width=\"601\">\u00a03000V.GELIJKSTROOM~10000V.GELIJKSTROOM<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Cap.tol\uff1a<\/strong><\/td>\n<td width=\"601\">\u00a0\u00a0\u00a0\u00b15%\uff08J\uff09; \u00b110%\uff08K)<\/td>\n<\/tr>\n<tr>\n<td width=\"146\"><strong>Model condensator:\u00a0<\/strong><\/td>\n<td width=\"601\">\u00a0SMJ-TC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":1852,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[40],"product_tag":[],"class_list":{"0":"post-1851","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-snubber-capacitor","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/rf-capacitor.com\/nl\/wp-json\/wp\/v2\/product\/1851","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rf-capacitor.com\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/rf-capacitor.com\/nl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/rf-capacitor.com\/nl\/wp-json\/wp\/v2\/comments?post=1851"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rf-capacitor.com\/nl\/wp-json\/wp\/v2\/media\/1852"}],"wp:attachment":[{"href":"https:\/\/rf-capacitor.com\/nl\/wp-json\/wp\/v2\/media?parent=1851"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/rf-capacitor.com\/nl\/wp-json\/wp\/v2\/product_brand?post=1851"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/rf-capacitor.com\/nl\/wp-json\/wp\/v2\/product_cat?post=1851"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/rf-capacitor.com\/nl\/wp-json\/wp\/v2\/product_tag?post=1851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}