Programmable power regulating power supply

Details Programmable power regulating power supply Programmable power regulating power supply

1979-05-29

1981-06-30

Shoop, William M.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 53, 323254, 361 79, H02P 1326

Patent

active

042765919

ABSTRACT:
A high power D.C. supply regulated for constant output power to be dissipated in varying loads such as encountered in cathode sputtering systems. A.C. input power is rectified to produce the desired D.C. The output D.C. voltage and load current are measured and a voltage signal proportional to their product is compared with a D.C. input control signal. The comparator "error" output signal controls a pass element that varies a D.C. current through saturable reactors in the A.C. input power lines to regulate the D.C. power into the load. The supply includes a limiting feature that is adjustable to a desired threshold level for limiting D.C. output power, voltage, and/or current so that the limiter will take control from the comparator to hold the supply output at a safe level.

REFERENCES:
patent: 3013199 (1961-12-01), Hollingsworth, Jr. et al.
patent: 3042848 (1962-07-01), Muchnick et al.
patent: 3122694 (1964-02-01), Muchnick et al.
patent: 3969635 (1976-07-01), Wilke
patent: 3976931 (1976-08-01), Sterling
patent: 4103324 (1978-07-01), Vandervelden et al.

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