A novel fault classification technique for high speed protective relaying of transmission lines

This paper presents a new algorithm for faulty phase selection in transmission lines. The algorithm is based on a limited soft processing of the 3-phase and the zero-component current phasors. Current phasors are determined by using a pair of short length data window filters giving orthogonal output...

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Bibliographic Details
Main Authors: Saha, M. M., Rosolowski, E., Izykowski, J., Pierz, P., Balcerek, P., Fulczyk, M.
Format: Conference Proceeding
Language:English
Subjects:
Classification algorithms
Current measurement
decision making
fault classification
fault type
line protection
Power transmission lines
Relays
Reliability
soft computing
Transient analysis
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Summary:This paper presents a new algorithm for faulty phase selection in transmission lines. The algorithm is based on a limited soft processing of the 3-phase and the zero-component current phasors. Current phasors are determined by using a pair of short length data window filters giving orthogonal outputs - phasor components. The soft processing means here that, generally, the operations like min and max are used rather than multiplication or summation of two or more arguments.