Switched capacitor interleaved forward power converter

Details Switched capacitor interleaved forward power converter Switched capacitor interleaved forward power converter

1990-03-23

1991-04-16

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 71, H02M 3335

Patent

active

050087959

ABSTRACT:
A DC-to-DC power converter topology utilizing parallel connected transformers in a buck switching configuration with each stage operated 180.degree. out-of-phase, with the primary windings of the transformers sequentially feeding into a common filter capacitor. On each transformer, a secondary winding is switched to a load at the time the primary winding is shunted across the filter capacitor. The circuit provides dual inductor buck power stage operation while maintaining input-output isolation. Interleaved power processing provides continuous capacitance support for the output voltage produced by the power supply.

REFERENCES:
patent: 4618919 (1986-10-01), Martin, Jr.
patent: 4674019 (1987-06-01), Martinelli
patent: 4685039 (1987-08-01), Inou et al.
patent: 4713742 (1987-12-01), Parsley
patent: 4734839 (1988-03-01), Barthold

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