Master-slave high current D.C. power supply

Details Master-slave high current D.C. power supply Master-slave high current D.C. power supply

1981-05-14

1982-07-06

Pellinen, A. D.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 17, H02J 110, H02M 3335

Patent

active

043386580

ABSTRACT:
A high current, low voltage, regulated D.C. power supply incorporating a parallel pair of bridges connected across a D.C. supply and each having alternately switched opposite legs for producing across its output a relatively high frequency A.C. to a stepdown transformer. Each of the bridges is switched out of phase with the other to minimize output ripple in the combined D.C. produced from rectifiers at the secondary of the stepdown transformers. Regulation of the supply is provided by a current sensor at the secondary of each transformer which produces a signal that is compared with a signal representing D.C. output level to alter the duty cycle in the switching circuitry to the parallel bridges. The novel feature is that the regulation control circuits of two or more identical supplies may be coupled to produce master-slave power supply combinations capable of greatly increasing the output power capabilities.

REFERENCES:
patent: 4174534 (1979-11-01), Kotlarewsky

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