Universal switched power converter with demagnetising

Details Universal switched power converter with demagnetising Universal switched power converter with demagnetising

1999-11-15

2000-10-24

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

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

363 71, H02M 3335

Patent

active

061376973

ABSTRACT:
Universal switched power converter connected to a voltage source and, based on the level of the voltage received, this is applied to a first primary circuit comprising a first switching device (14-1) or to a second primary circuit comprising a second switching device (15-1). Control means (PWM) adapt the conducting period of the switching device connected to input terminals for regulating an output voltage and adapt the conducting period of the switching device not connected to the input terminals for demagnetising the core of a transformer (T) during the non-conducting period of the switching device connected to the input terminals.

REFERENCES:
patent: 4386311 (1983-05-01), Bafaro
patent: 4695935 (1987-09-01), Oen et al.
patent: 5019954 (1991-05-01), Bourgeault et al.
patent: 5414610 (1995-05-01), Brainard
patent: 5567997 (1996-10-01), Suzuki et al.
patent: 5621630 (1997-04-01), Suzuki et al.

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