Apparatus and methods for UPS bypass monitoring and control

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7400066
APP PUB NO 20050288826A1
SERIAL NO

10874713

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Abstract

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Status of a bypass source of parallel-connected UPSs is determined from a load share when a loading of the parallel-connected UPSs meets a predetermined criterion. Status of a bypass source of the parallel-connected UPSs is determined from a bypass source voltage when the loading of the parallel-connected UPSs fails to meet the predetermined criterion. The loading may include an aggregate loading, and failure of a bypass source of a UPS may be identified responsive to detecting that a load share of the UPS is less than a predetermined proportion of the aggregate loading. Alternatively, failure of the bypass source may be identified by detecting that a bypass voltage fails to meet a predetermined criterion. Bypass circuits of the UPSs may be controlled responsive to a load share and/or a bypass source voltage.

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Patent Owner(s)

Patent OwnerAddress
EATON INTELLIGENT POWER LIMITED30 PEMBROKE ROAD DUBLIN 4

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Jason Raleigh, NC 27 388
Tassitino, Jr Frederick Wake Forest, NC 8 273
Westerfield, Michael Durham, NC 2 90

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