Direct current power supply

Details Direct current power supply Direct current power supply

1989-12-19

1990-08-07

Budd, Mark O.

Electric power conversion systems

Current conversion

With means to connect the input to diverse power sources

323299, H02M 704, G05F 500

Patent

active

049473131

ABSTRACT:
An inventive series-regulator-type direct current power supply includes a power transformer of which a secondary winding has a plurality of output terminals, a plurality of corresponding rectifier systems connected to the output terminals, an input voltage-detecting circuit detecting a predetermined level of an input alternating current voltage, and a switching circuit opening and closing a line of the rectifying circuit systems. The inventive system selectively switches the output terminals of the secondary winding of the power supply transformer and switches the rectifying circuit, in response to a change in the amplitude of a primary input voltage in order to suppress a variation of a direct current output voltage.

REFERENCES:
patent: 3720868 (1973-03-01), Lee
patent: 4013941 (1977-03-01), Moore
patent: 4090234 (1978-05-01), Bierly
patent: 4733158 (1988-03-01), Marchione et al.
patent: 4780805 (1988-10-01), Chewuk et al.

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