Soft-switching full-bridge dc/dc converting

Details Soft-switching full-bridge dc/dc converting Soft-switching full-bridge dc/dc converting

1992-01-13

1993-03-30

Stephan, Steven L.

Electric power conversion systems

Current conversion

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

363 58, 363 98, 363132, H02M 3335

Patent

active

051989697

ABSTRACT:
The addition of an external commutating inductor and two clamp diodes to the phase-shifted PWM full-bridge dc/dc converter substantially reduces the switching losses of the transistors and the rectifier diodes, under all loading conditions. We give analyses, practical design considerations, and experimental results for a 1.5-kW converter with 60-V, 25-A output, operating at 100-kHz clock frequency and 95% efficiency.

REFERENCES:
patent: 3859587 (1975-01-01), Brown
patent: 4191993 (1980-05-01), Kratz
patent: 4276588 (1981-06-01), McLyman
patent: 4410935 (1983-10-01), Dang
patent: 4455599 (1984-06-01), Tamura
patent: 4482946 (1984-11-01), Bhagwat
patent: 4502085 (1985-02-01), Morrison
patent: 4661897 (1987-04-01), Pitel
patent: 4855888 (1989-08-01), Henze et al.
patent: 4922401 (1990-05-01), Lipman

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