High-power power supply

Details High-power power supply High-power power supply

1993-04-02

1993-11-30

Stephan, Steven L.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 69, 363129, 323284, H02M 7145

Patent

active

052671372

ABSTRACT:
The invention concerns a high power power supply with output power in excess of 5 kilowatts, by way of example, for the supply of electromagnets in the area of electromedicine and nuclear physics. In order to regulate the output current, power thyristors 28 are utilized within the two bridge rectifier circuits 2 and 3, operated with phase control regulation. In order to keep the output current constant, two transistor final control elements 10 and 11 regulated by a control-gain amplifier are used. Two charging capacitors 6 and 7 are provided for energy storage, the capacity of which is sufficiently large that the commutation of the power thyristors 28 transpires by means of self-extinguishing in a currentless state, whereby conducted as well as irradiated electrical interferences are eliminated.

REFERENCES:
patent: 2340098 (1941-12-01), Zuhlke
patent: 3643150 (1972-02-01), Bulleyment
patent: 4270166 (1981-05-01), Immler
patent: 4488211 (1984-12-01), Miyairi
patent: 4739466 (1988-04-01), Glennon et al.
patent: 4805082 (1989-02-01), Heinrich
patent: 4821166 (1989-04-01), Albach
patent: 4866591 (1989-09-01), Cook et al.
patent: 4999760 (1991-03-01), Tietema
"Veritron/Stromrichtergerate", BBC Brown Bovery Company Publication, Publication No. DGHS 50466D, 1975/76.

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