Self-compensating switching power converter

Details Self-compensating switching power converter Self-compensating switching power converter

1996-02-23

1998-05-19

Nappi, Robert

Electric power conversion systems

Current conversion

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

363 17, 323282, H02M 3335, G05F 1563

Patent

active

057544140

ABSTRACT:
A self-compensating high voltage switched power converter monitors the variations in real time of the resonant frequency of the converter, and controls a switching transistor of the converter to establish an operating frequency which corresponds to the resonant frequency. The collector voltage of the switching transistor is monitored, and the transistor is switched only when the collector voltage is decreasing toward a minimum value and is below a predetermined reference level. This enables the power converter to operate at a high frequency, which affords small size, light weight, and high efficiency.

REFERENCES:
patent: 4616300 (1986-10-01), Santelmann, Jr.
patent: 4725936 (1988-02-01), Nakajima et al.
patent: 4823070 (1989-04-01), Nelson
patent: 5291387 (1994-03-01), Oshima
patent: 5305192 (1994-04-01), Bonte et al.

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