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Paper Information

Title: 

POWER TRANSFORMER DIFFERENTIAL PROTECTION RELAY USING HALF CYCLE FOURIER ALGORITHM

Type: PAPER
Author(s): BIGHARAZ M.R.,SANAYE PASAND M.,ZANGIABADI M.
 
 
 
Name of Seminar: INTERNATIONAL POWER SYSTEM CONFRENCE
Type of Seminar:  CONFERENCE
Sponsor:  Sherkate Tavanir
Date:  2003Volume 18
 
 
Abstract: 

IN THIS PAPER DESIGN, COMPUTATIONAL ASPECTS AND EXPERIMENTAL RESULTS OF A MICROPROCESSOR BASED DIGITAL TRANSFORMER DIFFERENTIAL RELAY IS DESCRIBED. HALF CYCLE FOURIER ALGORITHM IS USED TO ESTIMATE CURRENT PHASORS. PERFORMANCE OF THE PROPOSED RELAY IS TESTED FOR DIFFERENT FAULTS INCLUDING INTERNAL AND EXTERNAL FAULTS. THE ABILITY OF THE RELAY TO RESTRAINT FOR INRUSH CURRENT IS DISCUSSED AND DEMONSTRATED. TEST RESULTS OF THE PROPOSED ALGORITHM HIGHLIGHT THE ABILITIES OF THE ALGORITHM. TEST RESULTS FOR EXTERNAL FAULT, INTERNAL FAULT AND INRUSH CURRENT ARE PRESENTED IN THE PAPER.

 
Keyword(s): DIGITAL PROTECTION, TRANSFORMER DIFFERENTIAL RELAY, HALF CYCLE FOURIER TRANSFORM
 
 
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