Low input voltage resonant power converter with high-voltage A.C

Details Low input voltage resonant power converter with high-voltage A.C Low input voltage resonant power converter with high-voltage A.C

1988-02-01

1989-01-03

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 64, 363133, H02M 3335

Patent

active

047961732

ABSTRACT:
A high-frequency resonant power converter transforms a relatively low D.C. input voltage to a relatively high A.C. link voltage to drive a resonant circuit. The high A.C. voltage appearing across a resonance circuit high-voltage capacitor is then transformed down to a relatively low value and rectified to obtain a desired relatively low D.C. output voltage. Use of a high A.C. link voltage eliminates low voltage operation of the resonance circuit, which would require very large resonant capacitors having high current ratings. Composite magnetic structures which combine a resonant inductor and a transformer are also disclosed.

REFERENCES:
patent: 3219946 (1965-11-01), Compoly
patent: 3723848 (1973-03-01), Miller
patent: 3851278 (1974-11-01), Isono
patent: 4301499 (1981-11-01), Levinson
patent: 4639844 (1987-01-01), Gallios et al.

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