Interleaved current-fed forward converter

Details Interleaved current-fed forward converter Interleaved current-fed forward converter

1997-05-20

1998-09-01

Berhane, Adolf

Electric power conversion systems

Current conversion

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

363 16, 363 97, H02M 3335

Patent

active

058019324

ABSTRACT:
An interleaved current-fed forward converter apparatus includes two transformers each including two primary windings and a secondary winding connected to a load, two power switches each of which is connected between the primary windings of a corresponding one of the two transformers. The two power switches are alternately turned on and off in response to two pulse signals provided by a conventional controller. Two capacitors each are connected between the primary windings of respective one of the two transformers. One of the two transformers functions to transfer power to the load while the other functions as an inductor so as to alleviate the necessity of a conventional output inductor, and vice versa alternately. The two capacitors are alternately charged/discharged in response to the switching operation of the two power switches.

REFERENCES:
patent: 4618919 (1986-10-01), Martin, Jr.
patent: 5008795 (1991-04-01), Parsley et al.
patent: 5057986 (1991-10-01), Henze et al.
patent: 5402329 (1995-03-01), Wittenbreder, Jr.
patent: 5471376 (1995-11-01), Tsai et al.
patent: 5477132 (1995-12-01), Canter et al.
patent: 5508903 (1996-04-01), Alexndrov

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