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Microprocessor-based busbar protection system

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3 Author(s)
Gill, H.S. ; Dept. of Electr. Eng., Saskatchewan Univ., Saskatoon, Sask., Canada ; Sidhu, T.S. ; Sachdev, M.S.

The design, implementation and testing of a microprocessor-based busbar protection system is presented. The proposed system employs a protection technique that uses the positive- and negative-sequence models of the power system. The system is composed of delta-impedance relays which implement a fault-detection algorithm, based on the developed technique. The algorithm, hardware and software of the relays are described. Performance of the proposed system was checked in the laboratory; the testing procedure and test results are presented

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Generation, Transmission and Distribution, IEE Proceedings-  (Volume:147 ,  Issue: 4 )