Power source

Details Power source Power source

1992-03-10

1993-07-06

Voeltz, Emanuel T.

Electric power conversion systems

Current conversion

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

363 22, 331112, 331113R, H02M 3338

Patent

active

052259722

ABSTRACT:
A power source driving an electrical device includes a DC power supply providing a rectified and smoothed DC voltage from an AC main power, a self-oscillator energized by the DC power supply to generate a high frequency voltage, and a transformer which provides an output voltage from the high frequency voltage for driving a load circuit of the device. The characterizing feature of the power source resides in that the self-oscillator comprises a class C amplifier and includes a bias stabilizing circuit which provides a stabilized bias to the class C amplifier for assuring constant and optimum operation irrespective of possible variations in the supply voltage as well as load variations.

REFERENCES:
patent: 3938018 (1976-02-01), Dahl
patent: 4422032 (1983-12-01), Kakumoto
patent: 4496896 (1985-01-01), Melocik et al.
patent: 4757433 (1988-07-01), Santelmann, Jr.

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