Switch mode power supply having magnetically controlled output

Details Switch mode power supply having magnetically controlled output Switch mode power supply having magnetically controlled output

1985-01-23

1986-12-02

Salce, Patrick R.

Electric power conversion systems

Current conversion

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

363 75, 363 91, H02M 3335

Patent

active

046269762

ABSTRACT:
A magnetically controlled switching regulator which controls an output voltage using a saturable reactor, wherein the saturable reactor is constituted by a first winding through which an output current flows and a second winding through which a reset current flows. The energy for resetting the saturable reactor is supplied from a capacitor in a smoothing circuit for an output voltage. A turn ratio between the first and second windings is set so that a sufficiently high reset voltage is obtained. Since the reset current of the saturable reactor does not flow through a transformer, the saturation of the transformer and a high increase in temperature thereof do not occur, so that the core of the transformer can be miniaturized and a high gain of the output voltage control circuit can be derived.

REFERENCES:
patent: 3048767 (1962-08-01), Smeltzer
patent: 4451876 (1984-05-01), Ogata
patent: 4460955 (1984-07-01), Hattori et al.
"Design Considerations in Multi-Output DC-DC Converter with Magnetic Amplifiers," Koyashiki, T., IEEE, CH 1855-6, pp. 388-394.

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