{"id":229210,"date":"2014-02-18T23:00:00","date_gmt":"2014-02-18T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/gestion-denergie-des-led-pour-lampadaires\/"},"modified":"2014-02-18T23:00:00","modified_gmt":"2014-02-18T23:00:00","slug":"gestion-denergie-des-led-pour-lampadaires","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/gestion-denergie-des-led-pour-lampadaires\/","title":{"rendered":"Gestion d\u2019\u00e9nergie des LED pour lampadaires"},"content":{"rendered":"<p>La conception plug-and-play de cette solution permet d&rsquo;optimiser l&rsquo;efficacit&eacute; des diodes LED &agrave; tous les niveaux de luminosit&eacute;, et de minimiser la consommation d&rsquo;&eacute;nergie en mode veille.<br \/>\nLe remplacement des lampadaires &agrave; d&eacute;charge haute intensit&eacute; et au sodium basse pression par des diodes LED est g&eacute;n&eacute;ralement consid&eacute;r&eacute; comme l&rsquo;approche la plus prometteuse pour r&eacute;duire les gigantesques quantit&eacute;s d&rsquo;&eacute;nergie que consomment les villes et villages du monde entier pour &eacute;clairer leurs infrastructures publiques. Les LED sont intrins&egrave;quement plus efficaces que les technologies existantes et, plus important, leur intensit&eacute; est variable. Ceci signifie qu&rsquo;en conjonction avec une alimentation intelligente, la lumi&egrave;re produite peut &ecirc;tre rapidement adapt&eacute;e aux conditions ambiantes, telles que la lumi&egrave;re du jour ou un clair de lune. En outre, les diodes LED peuvent &ecirc;tre &eacute;galement utilis&eacute;es dans le cadre de politiques d&rsquo;&eacute;conomies publiques en adaptant l&rsquo;intensit&eacute; de lumi&egrave;re de certaines lampes &agrave; certaines p&eacute;riodes. De nombreuses villes du monde entier ont commenc&eacute; &agrave; transformer leurs parcs de lampadaires en adoptant la technologie LED, et davantage encore &eacute;laborent des projets dans ce sens. <br \/>\n&quot;Le contr&ocirc;le num&eacute;rique de l&rsquo;&eacute;clairage est la cl&eacute; des &eacute;conomies d&rsquo;&eacute;nergie pour les infrastructures ext&eacute;rieures&quot;, a d&eacute;clar&eacute; Matteo Lo Presti, group vice-president et directeur g&eacute;n&eacute;ral de la division Industrial and Power Conversion de STMicroelectronics. &quot;La nouvelle solution d&rsquo;&eacute;clairage public &agrave; LED propos&eacute;e par ST cumule 25 ann&eacute;es d&rsquo;exp&eacute;rience dans la conversion d&rsquo;&eacute;nergie au sein d&rsquo;une seule plate-forme &agrave; l&rsquo;&eacute;preuve du futur. Alors que les r&eacute;seaux &eacute;lectriques deviennent progressivement plus intelligents, les villes vont &ecirc;tre en mesure de contr&ocirc;ler les lampadaires et ainsi enregistrer des &eacute;conomies de plus en plus importantes gr&acirc;ce &agrave; l&rsquo;int&eacute;gration dans le contr&ocirc;leur STLUX385A de tous les protocoles de communications cl&eacute;s.&quot;<br \/>\nLa conception de r&eacute;f&eacute;rence comprend des sch&eacute;mas complets, la nomenclature et le firmware, ce qui permet de d&eacute;velopper rapidement des contr&ocirc;leurs num&eacute;riques pour lampes &agrave; LED d&rsquo;une puissance de 100 W en utilisant le contr&ocirc;leur num&eacute;rique universel STLUX385A pour applications de gestion de l&rsquo;&eacute;nergie et de l&rsquo;&eacute;clairage. Dans cette solution, le contr&ocirc;leur g&egrave;re un &eacute;tage de conversion de puissance r&eacute;gul&eacute; c&ocirc;t&eacute; primaire, ainsi que toutes les liaisons de communications prises en charge. L&rsquo;&eacute;tage de conversion de puissance se compose d&rsquo;un correcteur du facteur de puissance (PFC) suivi d&rsquo;un &eacute;tage &agrave; r&eacute;sonance LC avec commutation au z&eacute;ro de tension (ZVS). La variation d&rsquo;intensit&eacute; haute pr&eacute;cision est contr&ocirc;l&eacute;e au moyen de la technique PSR (Primary Side Regulation).<br \/>\nLa carte de d&eacute;monstration associ&eacute;e STEVAL385LEDPSR comprend toutes les interfaces de communications physiques telles que DALI, isol&eacute;e 0-10 V, et UART, les communications &eacute;tant enti&egrave;rement pilot&eacute;es par le contr&ocirc;leur STLUX385A. La flexibilit&eacute; du circuit STLUX385A permet &eacute;galement de connecter facilement la carte &agrave; d&rsquo;autres interfaces telles que Wi-Fi, modems sur courant porteur ligne, Bluetooth et ZigBee.<\/p>\n<\/p>\n<p><a title=\"www.st.com\" href=\"http:\/\/www.st.com\/\" target=\"_blank\" rel=\"noopener\">www.st.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Architectur\u00e9e autour de son contr\u00f4leur num\u00e9rique de gestion de l&rsquo;\u00e9nergie STLUX385A prim\u00e9, la solution compl\u00e8te et configurable propos\u00e9e par STMicroelectronics permet de d\u00e9velopper et de g\u00e9rer efficacement des cha\u00eenes de diodes LED haute luminosit\u00e9 \u00e0 variation d&rsquo;intensit\u00e9, jusqu&rsquo;\u00e0 100 W, destin\u00e9es aux applications d&rsquo;\u00e9clairage public.<\/p>\n","protected":false},"author":22,"featured_media":229211,"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-229210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Gestion d\u2019\u00e9nergie des LED pour lampadaires ...<\/title>\n<meta name=\"description\" content=\"Architectur\u00e9e autour de son contr\u00f4leur num\u00e9rique de gestion de l&#039;\u00e9nergie STLUX385A prim\u00e9, la solution compl\u00e8te et configurable propos\u00e9e par...\" \/>\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\/229210\/\" \/>\n<meta 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