Integrated filter forward converters

Details Integrated filter forward converters Integrated filter forward converters

1997-12-17

1999-05-25

Riley, Shawn

Electric power conversion systems

Current conversion

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

363 15, 363 17, 363 97, 363131, 363 20, 363 21, H02M 3335, H02M 324, H02M 2537

Patent

active

059074795

ABSTRACT:
A family of integrated filter forward converters includes a filter inductor is magnetically included in the transformer assembly. A basic circuit includes a DC voltage source, two cross-coupled capacitors, a clamp diode, a power switch, two identical transformers (or equivalent to a transformer and a filter inductor), two rectifying diodes, a filter capacitor and a load resistor. Several useful versions can be obtained by modifying the basic circuit for different applications. Both the input and output currents of the present invention can yield continuous current operation.

REFERENCES:
patent: 4618919 (1986-10-01), Martin, Jr.
patent: 4864479 (1989-09-01), Steigerwald et al.
patent: 5019954 (1991-05-01), Bourgeault et al.
patent: 5132888 (1992-07-01), Lo et al.
patent: 5523936 (1996-06-01), Leu et al.
patent: 5555494 (1996-09-01), Morris
patent: 5640318 (1997-06-01), Leu

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