Resonant-flyback power supply with filament winding for magnetro

Details Resonant-flyback power supply with filament winding for magnetro Resonant-flyback power supply with filament winding for magnetro

1980-04-21

1982-03-02

Beha, Jr., William H.

Electric power conversion systems

Current conversion

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

219 1055B, 328270, 363 56, H02P 1318, H05B 668

Patent

active

043181651

ABSTRACT:
A filament winding forms a part of the step-up transformer in a flyback-type high-frequency, high-voltage power supply for supplying filament heating energy, in addition to the anode potential supplied by a secondary winding of the transformer, to a magnetron microwave power generator, which is a self-rectifying load. The voltage across the transformer primary winding, and the current flowing through a controllable current path in a switching device connecting the series with that primary winding, are both monitored and compared to reference voltage and current values for establishing the conduction time interval of the switching device to provide active control of the power input to the load.

REFERENCES:
patent: 3562623 (1971-02-01), Farnsworth
patent: 3564393 (1971-02-01), Williamson
patent: 3973165 (1976-08-01), Hester
patent: 4142082 (1979-02-01), Israel
patent: 4228493 (1980-10-01), Sartre et al.
patent: 4236187 (1980-11-01), Mochizuki et al.

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