Method and system for providing coordinated turn on of parallele

Details Method and system for providing coordinated turn on of parallele Method and system for providing coordinated turn on of parallele

1999-09-24

2000-10-24

Jackson, Stephen W.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Selective or optional sources

307 81, H02J 100

Patent

active

061371904

ABSTRACT:
A power supply includes a turn on circuit which coordinates turn on of all paralleled power supplies supplying power to an electronic system such as a computer system. Upon detecting that its input voltage is sufficient to turn on, the power supply waits for a delay period long enough to ensure readiness of any of the paralleled power supplies and then determines that it can start independently. Upon detecting bus voltage sufficient to ensure that another power supply has turned on, the power supply determines that another power supply has turned on. If either condition is determined, the power supply turns on and begins supplying power to the computer system. As a result, the first power supply to turn on will be detected by the other power supplies, and the other power supplies will turn on immediately thereafter.

REFERENCES:
patent: 4074146 (1978-02-01), Buonavita
patent: 4356403 (1982-10-01), Mohat
patent: 5834925 (1998-11-01), Chesavage

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