Arrester performance monitoring and maintenance system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12068589
APP PUB NO 20240146047A1
SERIAL NO

17978185

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system or method for monitoring an electric power lightning arrester including an arrester current sensor providing an arrester current measurement, and an arrester voltage sensor providing an arrester voltage measurement. The system detects a switching signature based on the arrester current measurement or the arrester voltage measurement distinguished from background noise and lightning signatures and computes a measured arrester impedance based on the arrester current and arrester voltage measurements. The system then compares the measured arrester impedance to a nominal or historical arrester impedance, determines that the arrester is faltering based on the comparison of the measured arrester impedance to the nominal or historical arrester impedance, and places an order for replacement of the arrester based on the determination that the arrester is faltering. The system operator then replaces the arrester during a fair-weather, typically off-peak period to avoid failure of the arrester during a lightning strike.

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Patent Owner(s)

Patent OwnerAddress
SOUTHERN STATES LLC30 GEORGIA AVENUE HAMPTON GA 30228

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anand, Rajesh McDonough, US 2 15
Fan, Jiyuan Duluth, US 18 65
Rostron, Joseph R McDonough, US 66 472

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