Switching regulator circuit with phase shift subtraction

Details Switching regulator circuit with phase shift subtraction Switching regulator circuit with phase shift subtraction

1979-10-01

1981-11-03

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

323290, 363 28, 363 48, H02P 1318

Patent

active

042989248

ABSTRACT:
A switching regulator circuit for utilization with power supplies supplying a high DC output current including a plurality of control rectifiers and inductive reactors with sequential gating of the rectifiers at regular intervals for providing overlapped output current pulses from the reactors. An output circuit receives the rippled current comprised of the overlapped output current pulses for reducing the ripple therein. The output circuit includes a choke in series with the output which induces phase shift between the rippled current and the output current. A sensing winding associated with the choke eliminates the phase shift voltage for forming a feedback signal as an input to a control circuit. The control circuit utilizes the feedback signal to control the rate at which the rectifiers are gated sequentially.

REFERENCES:
patent: 2531820 (1950-11-01), Lindenblad
patent: 3454862 (1969-07-01), Kurimura et al.
patent: 3573597 (1971-05-01), Genuit
patent: 4013939 (1977-03-01), Biess et al.
patent: 4142231 (1979-02-01), Wilson
Solid/State/Design, "Considerations in the Design of Switching Type Regulators", pp. 30-34, Apr. 1963.

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