Combined power supply for main and stand-by power

Details Combined power supply for main and stand-by power Combined power supply for main and stand-by power

1991-12-19

1993-02-23

Stephan, Steven L.

Electric power conversion systems

Phase conversion without intermediate conversion to d.c.

By dynamoelectric machine converter

358190, 323270, 323351, H02M 3335, H04N 563

Patent

active

051896001

ABSTRACT:
A power supply includes a main power supply section having power dissipating components therein and a stand-by power supply section. When the main power supply section is off, the stand-by power supply section uses the power dissipating components in the main power supply section to dissipate waste power. When the main power supply section is on, power from a secondary power supply driven by the output from the main power supply section is used to drive the stand-by power supply section thereby reducing any power dissipating requirements of the stand-by power supply section.

REFERENCES:
patent: 4027227 (1979-05-01), Engel
patent: 4614906 (1986-09-01), Maxham
patent: 4636713 (1987-01-01), Stefani
patent: 4656573 (1987-04-01), Lee

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