Parallel operation power supply control system

Details Parallel operation power supply control system Parallel operation power supply control system

1990-11-13

1993-01-05

Logan, Sharon D.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Connecting or disconnecting

307 58, H02J 338

Patent

active

051773724

ABSTRACT:
A parallel operation power supply control system has a plurality of switching power supply modules for supplying electric power in parallel to a logic device, and a parallel operation power supply control module connected to a superior controller for control of the plurality of the switching power supply modules. Each of the plurality of the switching power supply modules comprises a DC-DC converter, a drive pulse generator for driving the DC-DC converter, and an electric current feedback unit for detecting an electric current outputted from the DC-DC converter and for feeding the detected result in the form of a first data to the parallel operation power supply control module. The parallel operation power supply control module comprises an arithmetic processor for arithmetically processing the first data fed from the plurality of the switching power supply modules to produce corresponding second data, a plurality of error amplifiers for producing error data according to the second data and a voltage inputted into the logic device and for outputting the error data to each drive pulse generator, and a basic pulse generator for outputting basic pulses to each drive pulse generator.

REFERENCES:
patent: 4520275 (1985-05-01), Marusik
patent: 4920309 (1990-04-01), Szepesi
patent: 4924170 (1990-05-01), Henze

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