- Patent Title: Self supplied protection relay with a module to boost performance
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Application No.: US14730785Application Date: 2015-06-04
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Publication No.: US09887530B2Publication Date: 2018-02-06
- Inventor: Hariram Satheesh , Bernhard Deck , GN Krishnamoorthy , Mallikarjun Kande , Sanjeev Koul , Naman Raval , Nayan Shah , Vishal H. Shah
- Applicant: ABB RESEARCH LTD
- Applicant Address: CH Baden
- Assignee: ABB Schweiz AG
- Current Assignee: ABB Schweiz AG
- Current Assignee Address: CH Baden
- Agency: Barnes & Thornburg LLP
- Priority: IN5044/CHE/2012 20121204; IN1464/CHE/2013 20130401
- Main IPC: H02H1/00
- IPC: H02H1/00 ; H02H1/06 ; H02H3/05 ; H02H3/093 ; H02H3/10

Abstract:
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.
Public/Granted literature
- US20150270697A1 SELF SUPPLIED PROTECTION RELAY WITH A MODULE TO BOOST PERFORMANCE Public/Granted day:2015-09-24
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