Methods and apparatus for providing and distributing standby power
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United States of America Patent
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Jul 19, 2011
Grant Date -
Feb 19, 2009
app pub date -
Aug 22, 2008
filing date -
May 28, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Aspects of the invention are directed to power distribution systems and methods for distributing power from a primary power source and a backup power source to a load. In one particular aspect, a power distribution system includes a first input to receive input power from the primary power source, a second input to receive input power from the backup power source, an output that provides output power from at least one of the primary power source and the backup power source, a first switch operatively coupled to the first input and the output and operative to selectively couple the first input to the output, a second switch operatively coupled to the second input and the output and operative to selectively couple the second input to the output, and a controller operatively coupled to the first switch and to the second switch and configured to control the first switch and the second switch to provide an electrical interlock.
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