Insulated power transfer device

Details Insulated power transfer device Insulated power transfer device

2007-04-26

2010-12-28

Nguyen, Matthew V (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S021060, C363S098000

Reexamination Certificate

active

07859861

ABSTRACT:
An insulated transfer device with particular topology, comprising on the primary, a switched-mode voltage step-up circuit, with a step-up inductance (LB) and an active buffer stage (DT, MT, CT) supplying a peak voltage greater than the peak voltage supplied by the input voltage source (vE) and two pairs of controlled switches controlling the application of the voltage supplied by the switched-mode voltage step-up circuit, to the terminals (Ep1, Ep2) of the primary winding and to the secondary, a full-wave rectifier with diodes (Ds1, Ds2) and controlled switches (Ms1, Ms2). On the primary, the voltage at the terminals of the capacitor CTof the active buffer stage used to apply a controlled AC voltage between the terminals Ep1and Ep2is regulated by controlling the time for which the controlled switches of the pairs are simultaneously in the closed state. On the secondary, VSis regulated by controlling the time for which the secondary switches are simultaneously in the closed state.

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U.S. Appl. No. 09/857,189, filed Jun. 20, 2001; Inventor: Chistophe Taurand; Application is Abandoned.

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