Switch coupled active forward converter for obtaining a high pow

Details Switch coupled active forward converter for obtaining a high pow Switch coupled active forward converter for obtaining a high pow

1997-04-02

1999-01-19

Riley, Shawn

Electric power conversion systems

Current conversion

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

363131, H02M 3335

Patent

active

058620435

ABSTRACT:
A switch coupled active forward converter comprising an AC power supply circuit for supplying AC power, a filtering circuit connected to the AC power supply circuit, for filtering an output current from the AC power supply circuit, an up converter connected to the filtering circuit, for generating a saw tooth wave signal in response to an output voltage from the filtering circuit, the saw tooth wave signal having a peak value following an input voltage to the AC power supply circuit when a switch ON operation is performed, a clamping circuit connected in common to the up converter, AC power supply circuit and filtering circuit, for clamping an output voltage from the up converter to a desired level, a transformer having a primary coil connected to the up converter, and an output circuit connected to a secondary coil of the transformer.

REFERENCES:
patent: 5224025 (1993-06-01), Divan et al.
patent: 5471376 (1995-11-01), Tsai et al.
patent: 5508904 (1996-04-01), Hara
patent: 5625541 (1997-04-01), Rozman

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