Boost converter for driving a capacitive load

Details Boost converter for driving a capacitive load Boost converter for driving a capacitive load

1994-11-29

1997-09-16

Wong, Peter S.

Electric power conversion systems

Current conversion

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

323222, 323282, 363 24, H02M 3335

Patent

active

056687036

ABSTRACT:
A DC--DC boost converter for directly driving a capacitive load employs four switches for cyclically commuting the connection configuration of an energy storing inductor. First and second switches are driven at a relatively high frequency and provide an impulsive charge path of the inductor by connecting one or the other end to a power supply rail. Third and fourth switches are driven in phase opposition to each other at a relatively low frequency and provide a discharge path from one and the other end of the inductor, respectively, toward an output node of the circuit to which the capacitive load is connected.

REFERENCES:
patent: 4085358 (1978-04-01), Holcomb
patent: 4736151 (1988-04-01), Dishner
patent: 4814685 (1989-03-01), Renger
patent: 5196995 (1993-03-01), Gulczynski

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