Electronic power module

Details Electronic power module Electronic power module

H - Electricity

05

K

H05K 7/20 (2006.01) H01L 23/367 (2006.01) H01L 23/373 (2006.01)

Patent

CA 2408262

The inventive electronic power module is provided for effecting the smooth starting of motors. The module is essentially comprised of two semiconductor elements (3), which are connected in an electrically anti-parallel manner and which are clamped between two metal bars (1, 2) having a high thermal capacity, e.g. made of copper, by means of a pressing device (4). After being intermediately stored in the metal bars (1, 2), the heat loss of the semiconductor elements (3) is dissipated by means of cooling bodies placed on said metal bars (1, 2).

L'invention concerne un module de puissance électronique destiné au démarrage en douceur d'un moteur. Ledit module est essentiellement composé de deux éléments à semi-conducteurs (3) montés de manière électriquement antiparallèle, ces deux éléments à semi-conducteurs étant fixés par l'intermédiaire d'un dispositif de compression (4) entre deux rails métalliques (1, 2) ayant une capacité thermique élevée, par ex. en cuivre. Après stockage intermédiaire dans les rails métalliques (1, 2), les pertes thermiques des éléments à semi-conducteurs (3) sont évacuées au moyen d'éléments de refroidissement logés sur les rails métalliques (1, 2).

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