{"id":1114,"date":"2009-02-26T10:58:29","date_gmt":"2009-02-26T10:58:29","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/26\/les-progrs-dans\/"},"modified":"2012-07-12T11:24:34","modified_gmt":"2012-07-12T11:24:34","slug":"les-progrs-dans","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/26\/les-progrs-dans\/","title":{"rendered":"Les progr\u00e8s dans l&rsquo;\u00e9lectronique de puissance participent aux \u00e9conomies d&rsquo;\u00e9nergies"},"content":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; <strong><span style=\"font-size: 1.4em\">L<\/span><\/strong>es rendements des dispositifs \u00e9lectroniques de puissance prennent une grande importance dans le domaine de la traction \u00e9lectrique, dans la g\u00e9n\u00e9ration de courant photovolta\u00efque ou \u00e9olien, dans les syst\u00e8mes d&rsquo;air conditionn\u00e9 et autres applications plus classiques utilisant des moteurs comme les ascenseurs. Ils conditionnent une part du rendement du syst\u00e8me global. Cet imp\u00e9ratif d&rsquo;\u00e9conomie va pousser \u00e0 la d\u00e9mocratisation de l&rsquo;utilisation de composants de puissance \u00e0 base de carbure de Silicium (SiC) en remplacement du Silicium. Citons l&rsquo;exemple de Mitsubishi Electric qui vient de pr\u00e9senter un onduleur triphas\u00e9 de 11kW compos\u00e9 de diodes Schottky et de Mosfets \u00e0 base de SiC qui pr\u00e9sente un volume r\u00e9duit par quatre et des <u>pertes inf\u00e9rieures de 70% \u00e0 celles de l&rsquo;\u00e9quivalent en Silicium<\/u> (FIG.).<\/p>\n<p>.<a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/siconduleur1.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"205\" alt=\"Siconduleur\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/siconduleur.jpg\" width=\"480\"  \/><\/a> <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Ce nouvel ensemble condensateurs compris pr\u00e9sente un volume d&rsquo;environ un dm3 ce qui lui conf\u00e8re une puissance de 10W\/cm3. L&rsquo;objectif de Mitsubishi Electric est de r\u00e9duire les pertes par rapport au Silicium de 90%. Ces nouveaux composants seront disponibles commercialement \u00e0 partir de 2010.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Les propri\u00e9t\u00e9s remarquables du Carbure de Silicium, dont son champ de claquage 10 fois sup\u00e9rieur \u00e0 celui du Silicium, sont connues depuis longtemps. Cette propri\u00e9t\u00e9 fondamentale permet de concevoir des composants beaucoup plus minces et donc de r\u00e9duire leur r\u00e9sistance. De plus en raison de sa large bande interdite (band gap) les composants peuvent travailler \u00e0 plus haute temp\u00e9rature (200\u00b0C) et n\u00e9cessitent moins de ventilation. Toutes ces propri\u00e9t\u00e9s font de cette technologie un candidat id\u00e9al pour les onduleurs des v\u00e9hicules \u00e9lectriques ou hybrides rechargeables. La r\u00e9duction de masse et l&rsquo;am\u00e9lioration des rendements participant \u00e0 l&rsquo;autonomie du v\u00e9hicule.<\/p>\n<p>Le 26 F\u00e9vrier 2009.<\/p>\n<p>&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Les rendements des dispositifs \u00e9lectroniques de puissance prennent une grande importance dans le domaine de la traction \u00e9lectrique, dans la g\u00e9n\u00e9ration de courant photovolta\u00efque ou \u00e9olien, dans les syst\u00e8mes d&rsquo;air conditionn\u00e9 et autres applications plus classiques utilisant des moteurs comme les ascenseurs. Ils conditionnent une part du [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":11975,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les progr\u00e8s dans l&#039;\u00e9lectronique de puissance participent aux \u00e9conomies d&#039;\u00e9nergies - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/26\/les-progrs-dans\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Les progr\u00e8s dans l&#039;\u00e9lectronique de puissance participent aux \u00e9conomies d&#039;\u00e9nergies - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Les rendements des dispositifs \u00e9lectroniques de puissance prennent une grande importance dans le domaine de la traction \u00e9lectrique, dans la g\u00e9n\u00e9ration de courant photovolta\u00efque ou \u00e9olien, dans les syst\u00e8mes d&rsquo;air conditionn\u00e9 et autres applications plus classiques utilisant des moteurs comme les ascenseurs. 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