{"id":231316,"date":"2014-10-26T23:00:00","date_gmt":"2014-10-26T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/alimentations-ac-dc-a-architecture-frontale-de-1300-w\/"},"modified":"2014-10-26T23:00:00","modified_gmt":"2014-10-26T23:00:00","slug":"alimentations-ac-dc-a-architecture-frontale-de-1300-w","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/alimentations-ac-dc-a-architecture-frontale-de-1300-w\/","title":{"rendered":"Alimentations AC\/DC \u00e0 architecture frontale de 1300 W"},"content":{"rendered":"<p>Le premier mod&egrave;le de cette s&eacute;rie peut d&eacute;livrer ses 1300 W sur une plage d&rsquo;entr&eacute;e universelle de 108 &agrave; 264 VAC. Connectable &agrave; chaud (hot swap) et sans charge minimum, cette alimentation int&egrave;gre des transistors &agrave; effet de champ FET ORing &agrave; faible d&eacute;perdition en sortie 12 V pour des applications redondantes N+1. Avec une densit&eacute; de puissance importante plus de 23 W par pouce cubique, elle atteint un rendement de conversion moyen de 92% &agrave; 50% de charge nominale.<br \/>\nLe second mod&egrave;le d&eacute;livre 12 VCC sur sa sortie principale et, en option, 3,3 ou de 5,0 VCC sur une sortie auxiliaire pour alimenter un circuit de secours. La correction active du facteur de puissance permet de r&eacute;duire la distorsion harmonique sur l&rsquo;entr&eacute;e et d&rsquo;assurer la conformit&eacute; &agrave; la norme IEC61000-3-2 avec un facteur de puissance type de 0,99. Cette alimentation peut recevoir un connecteur d&rsquo;entr&eacute;e IEC C14.<br \/>\nCes deux mod&egrave;les, &agrave; programmation digitale, sont &eacute;quip&eacute;s d&rsquo;une interface I2C et supportent le protocole de communication standard PMBus. Ils poss&egrave;dent &eacute;galement une EEPROM pr&eacute;-programm&eacute;e avec les donn&eacute;es de l&rsquo;unit&eacute;.<br \/>\nLa fonction partage de courant active (power sharing) autorise l&rsquo;utilisation de plusieurs alimentations en parall&egrave;le pour les applications &agrave; haute intensit&eacute;. Ces deux versions sont dot&eacute;es d&rsquo;un ventilateur &agrave; variation de vitesse automatique et fonctionnent &agrave; des temp&eacute;ratures de -10 &deg;C &agrave; +50 &deg;C. Elles sont munies d&rsquo;une protection contre les temp&eacute;ratures excessives et les surtensions. De plus, elles affichent un temps moyen de bon fonctionnement (MTBF) de plus de 500 000 heures.<br \/>\nCes alimentations r&eacute;pondent aux conditions rigoureuses des normes EN55022-B et FCC partie 15 Classe B sur les &eacute;missions par conduction et par radiation et sont conformes &agrave; plusieurs normes de s&eacute;curit&eacute; internationales telles que CE, CSA et T&Uuml;V, entre autres.<br \/>\nCette s&eacute;rie est bien adapt&eacute;e aux syst&egrave;mes &agrave; architecture de puissance distribu&eacute;e destin&eacute;s aux calculs, aux centres d&rsquo;h&eacute;bergements de donn&eacute;es, ainsi qu&rsquo;&agrave; tous les &eacute;quipements de tests et mesures. <\/p>\n<\/p>\n<p><a title=\"www.murata.com\" target=\"_blank\" href=\"http:\/\/www.murata.com\" rel=\"noopener\">www.murata.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La gamme d&rsquo;alimentations AC\/DC \u00e0 architecture frontale de Murata s\u2019\u00e9largit avec la s\u00e9rie D1U3CS actuellement compos\u00e9e de deux mod\u00e8les de 1300 W, les D1U3CS-1300 et D1U3CS-W-1300F, \u00e0 entr\u00e9e AC universelle et \u00e0 sortie 12 VCC.<\/p>\n","protected":false},"author":22,"featured_media":231317,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-231316","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Alimentations AC\/DC \u00e0 architecture frontale de 1300 W ...<\/title>\n<meta name=\"description\" content=\"La gamme d&#039;alimentations AC\/DC \u00e0 architecture frontale de Murata s\u2019\u00e9largit avec la s\u00e9rie D1U3CS actuellement compos\u00e9e de deux mod\u00e8les de 1300 W, les...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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