Apparatus for frequency conversion by electromagnetic induction

Details Apparatus for frequency conversion by electromagnetic induction Apparatus for frequency conversion by electromagnetic induction

1977-11-09

1979-07-24

Goldberg, Gerald

Electric power conversion systems

Frequency conversion without intermediate conversion to d.c.

By induction-type converter

H02M 516

Patent

active

041625226

ABSTRACT:
Apparatus for conversion of alternating current at a first frequency to alternating current at a second (lower) frequency in a power control circuit by means of progressive variation of magnetic flux in associated magnetic paths. Control is achieved by progressive saturation or domain rotation for selected portions of the magnetic paths to yield a uniformly controllable permeance within the magnetic paths. Feedback circuits provide a means for external control of the output in combination with a reference source.

REFERENCES:
patent: 3387203 (1968-06-01), Munnelly
patent: 3654546 (1972-04-01), Wanlass

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