Parallel resonant converter with zero voltage switching

Details Parallel resonant converter with zero voltage switching Parallel resonant converter with zero voltage switching

1989-12-29

1991-02-12

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 79, 363 98, 363132, H02M 3335

Patent

active

049929194

ABSTRACT:
A parallel resonant converter as disclosed having in one embodiment a variable inductance and having a control circuit which operates the switches of the converter under zero voltage switching conditions and under continuous conduction mode by maintaining the quality factor of the resonant circuit generally equal to the DC conversion ratio.

REFERENCES:
patent: 4677345 (1987-06-01), Nilssen
patent: 4720667 (1988-01-01), Lee et al.
patent: 4720668 (1988-01-01), Lee et al.
patent: 4791542 (1988-12-01), Piaskowski
Cuk et al., "Small Signal Analysis of Resonant Converters"; Jun. 1983, IEEE Power Specialists Conference.
Lee et al., "State Plane Analysis of Parallel Resonant Converters"; Jun. 1985, IEEE, pp. 56-73.
Davian; "Design Considerations of Very High Frequency Resonant Mode DC/DC Converters"; Mar. 1986, IEEE.
Lee et al., "Zero Voltage Switching Technique in DC/DC Converters"; Jun. 1986, IEEE, pp. 58-70.
Kang et al.; "Analysis and Design of a Half Bridge Parallel Resonant Converter"; Jun. 1987, IEEE, pp. 231-243.

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