{"id":118610,"date":"2018-06-12T21:31:44","date_gmt":"2018-06-12T21:31:44","guid":{"rendered":"https:\/\/\/filtres-cem-a-stabilite-elevee-compacts-silencieux-polyvalents\/"},"modified":"2018-06-12T21:31:44","modified_gmt":"2018-06-12T21:31:44","slug":"filtres-cem-a-stabilite-elevee-compacts-silencieux-polyvalents","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/filtres-cem-a-stabilite-elevee-compacts-silencieux-polyvalents\/","title":{"rendered":"Filtres CEM \u00e0 stabilit\u00e9 \u00e9lev\u00e9e, compacts, silencieux, polyvalents"},"content":{"rendered":"<p>Les filtres CEM r\u00e9duisent les courants parasitaires dans les syst\u00e8mes \u00e0 convertisseur, r\u00e9sultant des effets parasitaires et des \u00e9l\u00e9ments g\u00e9n\u00e9rateurs d&rsquo;impulsions du convertisseur. Dans ce contexte, la mati\u00e8re joue un r\u00f4le d\u00e9terminant&nbsp;: L&rsquo;objectif est de r\u00e9aliser une induction stable dans toute la gamme des fr\u00e9quences pour obtenir une att\u00e9nuation maximale des parasites. Par rapport aux technologies standard bas\u00e9es sur des mati\u00e8res telles que&nbsp;le&nbsp;ferrite, les t\u00f4les magn\u00e9tiques et les t\u00f4les nanocristallines, les nouveaux filtres CEM de SMP pr\u00e9sentent des niveaux de parasites inf\u00e9rieurs de jusqu&rsquo;\u00e0 40 dB[\u00b5V] (d\u00e9cibels microvolts). Les filtres SMP sont compacts, moins lourds jusqu&rsquo;\u00e0 30&nbsp;%&nbsp;et ne g\u00e9n\u00e8rent aucun bruit du fait de l&rsquo;utilisation de mati\u00e8res exemptes de magn\u00e9tostriction. Le taux de rendement du syst\u00e8me est am\u00e9lior\u00e9 gr\u00e2ce aux tr\u00e8s faibles pertes des mati\u00e8res. En outre, un nombre moins importants de composants filtrants est n\u00e9cessaire, permettant un gain en volume et une augmentation de la rentabilit\u00e9 \u00e9conomique du syst\u00e8me complet \u00e0 \u00e9lectronique de puissance. Les filtres pouvant \u00eatre r\u00e9alis\u00e9s \u00e0 l&rsquo;aide d&rsquo;inductances simples ou d&rsquo;inductances coupl\u00e9es magn\u00e9tiquement offrent toute une palette permettant de r\u00e9duire les parasites en mode commun et en mode diff\u00e9rentiel.&nbsp;<\/p>\n<p><a href=\"http:\/\/www.smp.de\/\">www.smp.de<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SMP Sintermetalle Prometheus GmbH &amp; Co KG (SMP) pr\u00e9sente des filtres CEM \u00e0 stabilit\u00e9 \u00e9lev\u00e9e en fonction des fr\u00e9quences pour les applications \u00e0 \u00e9lectronique de puissance. Les mati\u00e8res sp\u00e9cialement d\u00e9velopp\u00e9es pour cette application par SMP conviennent d\u00e9sormais aux fr\u00e9quences de l&rsquo;ordre du gigahertz.<\/p>\n","protected":false},"author":9,"featured_media":118611,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-118610","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Filtres CEM \u00e0 stabilit\u00e9 \u00e9lev\u00e9e, compacts, silencieux, polyv...<\/title>\n<meta name=\"description\" content=\"SMP Sintermetalle Prometheus GmbH &amp; Co KG (SMP) pr\u00e9sente des filtres CEM \u00e0 stabilit\u00e9 \u00e9lev\u00e9e en fonction des fr\u00e9quences pour les applications \u00e0...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/118610\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Filtres CEM \u00e0 stabilit\u00e9 \u00e9lev\u00e9e, compacts, silencieux, polyvalents\" \/>\n<meta property=\"og:description\" content=\"SMP Sintermetalle Prometheus GmbH &amp; Co KG (SMP) pr\u00e9sente des filtres CEM \u00e0 stabilit\u00e9 \u00e9lev\u00e9e en fonction des fr\u00e9quences pour les applications \u00e0 \u00e9lectronique de puissance. 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