Zero-voltage-transition pulse-width-modulated converters

Details Zero-voltage-transition pulse-width-modulated converters Zero-voltage-transition pulse-width-modulated converters

1993-05-24

1995-05-23

Dougherty, Thomas M.

Electric power conversion systems

Current conversion

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

323222, 323282, H02M 3335

Patent

active

054187044

ABSTRACT:
To date, soft-switching techniques applied to the PWM converters, with the exception of a few isolated cases, are subjected to either high switch voltage stresses or high switch current stresses, or both. This invention presents a new class of zero-voltage-transition PWM converters, where both the transistor and the rectifier operate with zero-voltage switching, and are subjected to minimum voltage and current stresses. Breadboarded converters are constructed to verify the novelty of the proposed new family of converters.

REFERENCES:
patent: 4785387 (1988-11-01), Lee et al.
patent: 4811188 (1989-03-01), Bees
patent: 5066900 (1991-11-01), Bassett
patent: 5172309 (1992-12-01), DeDoncker et al.
patent: 5262930 (1993-11-01), Hua et al.

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