Self supplied protection relay with a module to boost performance

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United States of America Patent

PATENT NO 9887530
SERIAL NO

14730785

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Importance

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Abstract

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A protection relay is disclosed that generates a trip signal to operate a circuit breaker in case of a fault condition. A first module provides measurement and analysis of power parameters of the power line connecting the power equipment that is being protected, the protection being provided by generating a first trip signal for operating a circuit breaker connected in the power line. One or more second modules can boost performance of the protection relay by measurement and analysis of power parameters-to generate a second trip signal for operating a circuit breaker connected in the power line. The first trip signal and the second trip signal are logically combined to generate a trip signal that operates the circuit breaker.

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Patent Owner(s)

  • ABB RESEARCH LTD.;ABB SCHWEIZ AG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deck, Bernhard Weilheim, DE 34 338
Kande, Mallikarjun Bangalore, IN 19 102
Koul, Sanjeev Bangalore, IN 3 13
Krishnamoorthy, GN Tamilnadu, IN 1 4
Raval, Naman Gujarat, IN 1 4
Satheesh, Hariram Thoothukudi, IN 4 4
Shah, Nayan Gujarat, IN 4 94
Shah, Vishal H Gujarat, IN 5 57

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