Constant frequency resonant dc/dc converter

Details Constant frequency resonant dc/dc converter Constant frequency resonant dc/dc converter

1991-03-28

1992-10-20

Stephan, Steven L.

Electric power conversion systems

Current conversion

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

363 98, 363132, H02M 3335

Patent

active

051575930

ABSTRACT:
A constant frequency full resonant mode dc/dc converter is provided, suitable for use in low voltage, high current dc power distribution systems. The converter comprises a full-bridge inverter, a resonant circuit, an output transformer, an output diode rectifier, a dc output filter, and a control circuit. The resonant circuit consists of a series branch and a parallel branch. The components of the resonant circuit are selected such that a sinusoidal voltage waveform is achieved across the parallel branch, and an overall lagging current is obtained at the output of the full-bridge inverter for a desired range of output voltage control and no-load to full-load operating conditions.

REFERENCES:
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patent: 4706252 (1987-11-01), Egawa et al.
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patent: 4876635 (1989-10-01), Park et al.
patent: 4935857 (1990-06-01), Nguyen et al.
patent: 4992919 (1991-02-01), Lee et al.
Steigerwald; "Comparison of Half-Bridge Resonant Converter Topologies", Apr. 1988 IEEE; pp. 173-182.

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