High-efficiency tuned inverter circuit

Details High-efficiency tuned inverter circuit High-efficiency tuned inverter circuit

1983-03-14

1986-05-20

Salce, Patrick R.

Electric power conversion systems

Current conversion

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

315243, 331117R, H02M 3335

Patent

active

RE0321559

ABSTRACT:
A simple single-ended inverter circuit efficiently converts a DC input voltage to an AC output voltage. The circuit, which functions as a self-contained Class C oscillator, comprises an energy-storing inductor and an energy-storing tank capacitor in circuit with a saturable core feedback transformer operable to provide intermittent feedback current to effect periodic conduction of a single power transistor. When this transistor is non-conductive, resonant interchange of energy occurs between the inductor and tank capacitor; periodic energy transfer from the inductor both charges the capacitor and also supplies a load, and energy transfer from the capacitor to the inductor provides reset current to the saturable transformer.

REFERENCES:
patent: 3320510 (1967-05-01), Locklair
patent: 3434009 (1969-03-01), Nilssen
patent: 3479509 (1969-11-01), Grundy et al.
patent: 3697851 (1972-10-01), Mast
patent: 3753075 (1973-08-01), Tomura et al.
patent: 3987355 (1976-10-01), Hull
patent: 4075476 (1978-02-01), Pitel

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