Resonant inverter

Details Resonant inverter Resonant inverter

1988-12-08

1989-08-15

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363131, H02M 7537

Patent

active

048580996

ABSTRACT:
A resonant inverter is current mode-controlled with a transistor supplying current through a primary winding of a transformer. The cycle of operation includes conducting, resonating, and clamping portions of the cycle, with the transistor being turned on for the conducting portion. The resonating portion includes a storage capacitor connected to the primary winding and commences when current-responsive means of the transistor or first semiconductor turns on a second semiconductor, which in turn turns off the first semiconductor. During this resonating stage, the current in the primary winding reverses and stores energy in a storage capacitor. A clamping portion of the cycle includes a unidirectional conducting means or diode which conducts for a time for the excess energy stored in the tank circuit to return to the input and be stored in a filter capacitor.

REFERENCES:
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patent: 4013935 (1977-03-01), Siepmann et al.
patent: 4210792 (1980-07-01), Higuchi et al.
patent: 4234823 (1980-11-01), Charlot
patent: 4257088 (1981-03-01), Nilssen
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patent: 4454574 (1984-06-01), Bush et al.
patent: 4559478 (1985-12-01), Fuller et al.
patent: 4698741 (1987-10-01), Pacholok
patent: 4812960 (1989-03-01), Sakamoto et al.

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