Power supply apparatus

Details Power supply apparatus Power supply apparatus

1996-02-12

1997-09-23

Krishnan, Aditya

Electric power conversion systems

Current conversion

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

H05B 4124

Patent

active

056711280

ABSTRACT:
A power supply apparatus in which a series circuit of first and second switching elements not blocking their reverse-directional currents is connected in parallel to a series circuit of a D.C. power source and a capacitor, a primary winding of a transformer is connected between a junction point of the D.C. power source and capacitor and a junction point of the switching elements, a secondary winding of the transformer is connected to a load circuit, and a controller is provided for controlling ON and OFF operation of the switching elements to cause a switching frequency of the switching elements to be set higher than a resonance frequency of the capacitor and an inductance of the transformer and to cause a voltage across the capacitor to increase.

REFERENCES:
patent: 4809148 (1989-02-01), Barn
patent: 5282123 (1994-01-01), Boylan et al.

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