Converter topologies with multiple windings

Details Converter topologies with multiple windings Converter topologies with multiple windings

1997-06-06

1998-10-06

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 21, 363131, H02M 3335, H02M 7537

Patent

active

058187022

ABSTRACT:
Converter topologies in which two separate switching transistors and two capacitors are used on the input side. Preferably the two transistors are switched alternately, to alternately pull down different nodes in an inductor-capacitor chain. Two capacitors are interposed in series between an input inductor on the input and a transformer primary winding. Preferably the two transistors are connected with their parasitic diodes in opposite senses, so that one can source current from a first node to ground when off, and the other can sink current from a second node to ground when off.

REFERENCES:
patent: 4183080 (1980-01-01), Liebman
patent: 4257087 (1981-03-01), Cuk
patent: 4262328 (1981-04-01), Bloom et al.
patent: 5122946 (1992-06-01), Taylor
patent: 5363287 (1994-11-01), Liu et al.
patent: 5442539 (1995-08-01), Cuk et al.
patent: 5570276 (1996-10-01), Cuk et al.

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