Diode recovery current suppression circuits

H - Electricity – 02 – M

Patent

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Details

H02M 7/06 (2006.01) H02M 3/155 (2006.01) H02M 3/335 (2006.01)

Patent

CA 2377503

Diode recovery current suppression circuits are disclosed for use with power supplies. A power supply circuit including the diode recovery current suppression circuit may include a main inductor and a main diode coupled to the end of the main inductor. In such a context, the diode recovery current suppression circuit can include (a) a set of additional inductive windings, (b) an auxiliary inductor, and (c) an auxiliary diode. The set of additional inductive windings are coupled to the end of the main inductor such that the diode recovery current suppression circuit is coupled in parallel with the main diode.

L'invention concerne des circuits d'élimination de courant de recouvrement de diode, à utiliser conjointement avec des alimentations. Un circuit d'alimentation comprenant le circuit d'élimination de courant de recouvrement de diode peut comporter une bobine d'induction principale et une diode principale couplée à l'extrémité de ladite bobine d'induction. Dans ce contexte, le circuit d'élimination du courant de recouvrement de diode peut comprendre (a) un ensemble d'enroulements inductifs, (b) une bobine d'induction auxiliaire et (c) une diode auxiliaire. L'ensemble d'enroulements inductifs supplémentaires est couplé à l'extrémité de la bobine d'induction principale, de sorte que le circuit d'élimination du courant de recouvrement de diode soit couplé en parallèle avec la diode principale.

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