Dual-input redundant power supply

Details Dual-input redundant power supply Dual-input redundant power supply

2007-07-17

2009-11-03

Paladini, Albert W. (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Selective or optional sources

C307S064000

Reexamination Certificate

active

07612469

ABSTRACT:
A dual-input redundant power supply system includes a first AC source having a hot line and a neutral line, a second AC source having a hot line and a neutral line, a power relay, and an AC to DC converter connected to the first AC source and second AC source via the power relay. When the first AC source works normally, the power relay controls the first AC source to supply power to the AC to DC converter. When the first AC source does not work, the power relay controls the second AC source to supply power to the AC to DC converter.

REFERENCES:
patent: 4614877 (1986-09-01), Knesewitsch et al.
patent: 5939799 (1999-08-01), Weinstein
patent: 2005/0270720 (2005-12-01), Johnson
patent: 2125202 (1992-12-01), None
patent: 1171088 (1998-01-01), None

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