{"id":500268,"date":"2026-10-06T10:00:19","date_gmt":"2026-10-06T08:00:19","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=500268"},"modified":"2026-10-05T17:59:11","modified_gmt":"2026-10-05T15:59:11","slug":"alimentation-triphasee-tdk-lambda-lance-la-tpf12500","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/alimentation-triphasee-tdk-lambda-lance-la-tpf12500\/","title":{"rendered":"Alimentation triphas\u00e9e : TDK-Lambda lance la TPF12500"},"content":{"rendered":"<p>Les architectures d\u2019alimentation distribu\u00e9es (DPA) reposent sur un bus continu haute tension qui alimente des convertisseurs DC-DC isol\u00e9s au plus pr\u00e8s des charges. TDK Corporation lance la s\u00e9rie TDK-Lambda TPF12500-385, des alimentations triphas\u00e9es non isol\u00e9es d\u2019une puissance nominale de 12,5 kW, pouvant d\u00e9livrer jusqu\u2019\u00e0 13,1 kW, avec une sortie r\u00e9gul\u00e9e de 385 Vdc et un rendement de 97,5 %. Elles sont destin\u00e9es \u00e0 alimenter des convertisseurs DC-DC haute tension isol\u00e9s ou des micro-r\u00e9seaux DC. La s\u00e9rie cible notamment des \u00e9quipements de forte puissance, de la fabrication de semi-conducteurs aux centres de donn\u00e9es.<\/p>\n<h3>Entr\u00e9e triphas\u00e9e 360-528 Vac et mise en parall\u00e8le<\/h3>\n<p>Les TPF12500 acceptent une entr\u00e9e triphas\u00e9e large plage de 360 \u00e0 528 Vac, en couplage triangle ou \u00e9toile. Cette plage permet une exploitation \u00e0 l\u2019\u00e9chelle mondiale sans transformateur abaisseur et aide \u00e0 maintenir un \u00e9quilibrage des charges entre phases. La puissance de 13,1 kW est disponible pour une tension d\u2019entr\u00e9e comprise entre 380 et 504 Vac.<\/p>\n<p>Pour les besoins de puissance sup\u00e9rieurs, deux alimentations peuvent \u00eatre connect\u00e9es en parall\u00e8le avec partage de courant en mode droop, ce qui augmente la capacit\u00e9 de sortie sans reconception du syst\u00e8me.<\/p>\n<h3>Pertes r\u00e9duites et int\u00e9gration m\u00e9canique<\/h3>\n<p>Les faibles pertes internes autorisent un refroidissement par deux ventilateurs int\u00e9gr\u00e9s. Des connecteurs carte \u00e0 carte r\u00e9duisent le c\u00e2blage, ce qui limite les pertes \u00e9lectriques et am\u00e9liore le comportement thermique. La r\u00e9duction des c\u00e2bles et des interfaces m\u00e9caniques supprime aussi des points de d\u00e9faillance potentiels li\u00e9s \u00e0 la fatigue des c\u00e2bles, aux connexions desserr\u00e9es et aux vibrations.<\/p>\n<p>Le bo\u00eetier mesure 202,6 \u00d7 111,1 \u00d7 711,2 mm (L \u00d7 H \u00d7 P) et s\u2019int\u00e8gre dans des racks de 3U. La s\u00e9rie est con\u00e7ue pour r\u00e9sister \u00e0 des chocs et vibrations \u00e9lev\u00e9s en environnement industriel.<\/p>\n<h3>Signaux de supervision et interface RS-485<\/h3>\n<p>La s\u00e9rie fournit un signal DC OK isol\u00e9, la signalisation de perte de phase, une commande marche\/arr\u00eat \u00e0 distance, une alerte de surchauffe et une alimentation de veille de 13 V sous 0,2 A. L\u2019interface RS-485 permet une surveillance \u00e0 distance de la tension d\u2019entr\u00e9e, du courant de sortie, de la temp\u00e9rature interne, de l\u2019\u00e9tat des ventilateurs et des signaux d\u2019\u00e9tat.<\/p>\n<p>L\u2019alimentation peut d\u00e9marrer \u00e0 froid \u00e0 -20 \u00b0C et fonctionne pour des temp\u00e9ratures ambiantes de -10 \u00e0 +40 \u00b0C.<\/p>\n<h3>Certifications et applications vis\u00e9es<\/h3>\n<p>Les TPF12500 sont certifi\u00e9es IEC\/UL\/CSA\/EN 62368-1 et portent les marquages CE et UKCA au titre des directives Basse tension, CEM et RoHS. Elles permettent de respecter la norme EN 55032 classe A en \u00e9missions conduites et rayonn\u00e9es dans le syst\u00e8me final, r\u00e9pondent aux normes d\u2019immunit\u00e9 IEC 61000-4 et \u00e0 la norme SEMI F47-0706 \u00e0 480 Vac nominal (crit\u00e8re C). L\u2019isolation atteint 2 kVac entr\u00e9e-terre et sortie-terre.<\/p>\n<p>Commercialis\u00e9e sous la marque TDK-Lambda, fournisseur de produits de conversion d\u2019\u00e9nergie pour \u00e9quipements industriels et m\u00e9dicaux, la s\u00e9rie vise des applications qui incluent les \u00e9quipements de fabrication de semi-conducteurs, les centres de donn\u00e9es, les amplificateurs de puissance RF des radars, l\u2019automatisation industrielle ainsi que les syst\u00e8mes de d\u00e9verminage et de test.<\/p>\n<p>Pour les concepteurs d\u2019architectures d\u2019alimentation distribu\u00e9es sur bus 385 Vdc, la TPF12500-385 offre un \u00e9tage frontal triphas\u00e9 de 12,5 kW parall\u00e9lisable et supervisable en RS-485. Sa conformit\u00e9 SEMI F47 la rend pertinente pour les \u00e9quipements de fabrication de semi-conducteurs.<\/p>\n<p><a href=\"https:\/\/www.emea.lambda.tdk.com\/tpf\">TDK-Lambda<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les architectures d\u2019alimentation distribu\u00e9es (DPA) reposent sur un bus continu haute tension qui alimente des convertisseurs DC-DC isol\u00e9s au plus pr\u00e8s des charges. TDK Corporation lance la s\u00e9rie TDK-Lambda TPF12500-385, des alimentations triphas\u00e9es non isol\u00e9es d\u2019une puissance nominale de 12,5 kW, pouvant d\u00e9livrer jusqu\u2019\u00e0 13,1 kW, avec une sortie r\u00e9gul\u00e9e de 385 Vdc et un [&hellip;]<\/p>\n","protected":false},"author":39,"featured_media":500273,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_ppma_block_editor_authors":""},"categories":[881],"tags":[1788,5789,1077],"domains":[47],"ppma_author":[6113],"class_list":["post-500268","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-alimentation","tag-alimentation-triphasee","tag-alimentations","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Alimentation triphas\u00e9e : TDK-Lambda lance la TPF12500 ...<\/title>\n<meta name=\"description\" content=\"TDK-Lambda lance les TPF12500-385, 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