Coordination of protective elements in an electric power system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11962140
APP PUB NO 20230129666A1
SERIAL NO

17452096

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present disclosure relates to systems and methods to coordinate protective elements in an electric power system (EPS). In one embodiment, a system may include a Time vs Normalized Impedance Length subsystem to determine a first plurality of times of operation of a first protective element for a plurality of fault locations in the EPS and to determine a second plurality of times of operation of a second protective element for the plurality of fault locations in the EPS. A protective action subsystem may coordinate a response of the first protective element and the second protective element. The protective action subsystem may establish a pickup and a protective action for the second protective element. Upon detection of a fault in the EPS, one of the first protective action and the second protective action may be implemented based on one of the first pickup and the second pickup.

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Patent Owner(s)

Patent OwnerAddress
SCHWEITZER ENGINEERING LABORATORIES INC2350 NE HOPKINS COURT PULLMAN WA 99163

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blair, Jeremy William Jackson, US 7 10
Cockerham, Brett Mitchell Charlotte, US 2 0
Subbarayan, Jai Ganesh Flowood, US 1 0

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