{"id":225189,"date":"2012-09-23T22:00:00","date_gmt":"2012-09-23T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/alimentation-ac-dc-330-w-a-haute-densite-de-puissance\/"},"modified":"2012-09-23T22:00:00","modified_gmt":"2012-09-23T22:00:00","slug":"alimentation-ac-dc-330-w-a-haute-densite-de-puissance","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/alimentation-ac-dc-330-w-a-haute-densite-de-puissance\/","title":{"rendered":"Alimentation AC\/DC 330 W \u00e0 haute densit\u00e9 de puissance"},"content":{"rendered":"<p class=\"MsoNormal\">La densit&eacute; de puissance atteint 15&nbsp;w\/pouce3 (0,9 w\/cm3) avec un refroidissement par d&eacute;bit d&rsquo;air de seulement 13 CFM, ou 22 m3\/h, soit un gain d&rsquo;espace de 32% par rapport aux unit&eacute;s 1&nbsp;U de performance similaire. Avec un rendement maximum &agrave; pleine charge de 90%, obtenu par un redressement synchrone, une fonction OU &agrave; MOSFET et un concept unique de correction du facteur de puissance, cette unit&eacute; g&eacute;n&egrave;re moins de chaleur ce qui minimise les besoins en refroidissement et accro&icirc;t la fiabilit&eacute; syst&egrave;me. Le haut rendement apporte des &eacute;conomies d&rsquo;&eacute;nergie tout au long de la vie du produit, augmentant d&rsquo;autant le retour sur investissement.<br \/>\n&quot;Avec la mont&eacute;e du prix de l&rsquo;&eacute;nergie dans le monde, les ing&eacute;nieurs comprennent qu&rsquo;un gain de rendement de quelques points seulement apporte de substantiels b&eacute;n&eacute;fices tout au long de la vie d&rsquo;un produit,&quot; commente Randy Johnson, vice-pr&eacute;sident et directeur g&eacute;n&eacute;ral de N2Power. &quot;Ainsi, quand le rendement d&rsquo;une alimentation passe de 87% &agrave; 90%, l&rsquo;am&eacute;lioration de performance et l&rsquo;&eacute;conomie d&rsquo;&eacute;nergie atteignent 23%. N2Power offre tout cela sans compromettre la compacit&eacute; du produit ni aucune autre fonction utile.&quot;<br \/>\nCette alimentation poss&egrave;de deux sorties principales de 54&nbsp;V&nbsp;\/&nbsp;6,1&nbsp;A et de 12&nbsp;V&nbsp;\/&nbsp;9&nbsp;A, ainsi qu&rsquo;une sortie auxiliaire de 12&nbsp;V&nbsp;\/&nbsp;1&nbsp;A. La sortie 54&nbsp;V offre une isolation de 2250 Vdc par rapport aux deux autres sorties, ce qui la rend compatible avec les applications PoE. Elle est aussi con&ccedil;ue pour le partage actif de courant, autorisant la mise en parall&egrave;le d&rsquo;un maximum de quatre alimentations&nbsp;et peut &ecirc;tre configur&eacute;e pour une redondance N+1. Cette unit&eacute; se caract&eacute;rise &eacute;galement par une entr&eacute;e alternative universelle de 90 &agrave; 264&nbsp;Vac et une protection active contre les courants d&rsquo;appel de 10,5&nbsp;A &agrave; 240&nbsp;Vac qui ne varie pas durant le fonctionnement. Elle est compatible RoHS et satisfait aux principales normes internationales de s&eacute;curit&eacute; et de CEM. &nbsp;<\/p>\n<p class=\"MsoNormal\"><a href=\"http:\/\/www.n2power.com\/\" target=\"_blank\" title=\"www.n2power.com\" rel=\"noopener\">www.n2power.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avec une hauteur de 3.42 mm et une empreinte de 76 x 135 mm, l\u2019alimentation AC\/DC de 330 W en ch\u00e2ssis ouvert XL330-54 de N2Power, une division de Qualstar, offre une combinaison de densit\u00e9 de puissance et de rendement \u00e9lev\u00e9s, r\u00e9duisant les d\u00e9penses \u00e9nerg\u00e9tiques.<\/p>\n","protected":false},"author":22,"featured_media":225190,"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-225189","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Alimentation AC\/DC 330 W \u00e0 haute densit\u00e9 de puissance ...<\/title>\n<meta name=\"description\" content=\"Avec une hauteur de 3.42 mm et une empreinte de 76 x 135 mm, l\u2019alimentation AC\/DC de 330 W en ch\u00e2ssis ouvert XL330-54 de N2Power, une division de...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/225189\/\" \/>\n<meta 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