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Received: 2002-10-26

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Journal of Zhejiang University SCIENCE A 2003 Vol.4 No.5 P.520~525

http://doi.org/10.1631/jzus.2003.0520


Fault location of two-parallel transmission line for double phase-to-earth fault using one-terminal data


Author(s):  ZHANG Qing-chao, DUAN Hui, GENG Chao, SONG Wen-nan

Affiliation(s):  School of Electrical Engineering and Energy, Tianjin University, Tianjin 300072, China

Corresponding email(s):   qczhang@tju.edu.cn

Key Words:  Fault location, Transmission line, Double phase-to-earth fault


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ZHANG Qing-chao, DUAN Hui, GENG Chao, SONG Wen-nan. Fault location of two-parallel transmission line for double phase-to-earth fault using one-terminal data[J]. Journal of Zhejiang University Science A, 2003, 4(5): 520~525.

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%A GENG Chao
%A SONG Wen-nan
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%DOI 10.1631/jzus.2003.0520

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T1 - Fault location of two-parallel transmission line for double phase-to-earth fault using one-terminal data
A1 - ZHANG Qing-chao
A1 - DUAN Hui
A1 - GENG Chao
A1 - SONG Wen-nan
J0 - Journal of Zhejiang University Science A
VL - 4
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SP - 520
EP - 525
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2003.0520


Abstract: 
An accurate algorithm for fault location of double phase-to-earth fault on transmission line of direct ground neutral system is presented. The algorithm, which employs the faulted phase network and zero-sequence network as fault-location model in which the source impedance at the remote end is not involved, effectively eliminates the effect of load flow and fault resistance on the accuracy of fault location. The algorithm achieves accurate location by measuring only one local end data and is used in a procedure that provides automatic determination of faulted types and phases, and does not require the engineer to specify them. Simulation results showed the effectiveness of the algorithm under the condition of double phase-to-earth fault.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[8]Zamore, A. and Minambres, L.F., 1996. Fault location on two-terminal transmission lines based on voltages. IEEE Proc. -Gener. Transm. Distrib., 143(1):1-5.

[9]Zhang, Q.C., Zhang, Y. and Song, W.N., 1998.Transmission line fault location for single-phase-to-earth fault on non-direct-ground neutral system. IEEE Transaction on Power Delivery, 10(3):1086-1093.

[10]Zhang, Q.C., Zhang, Y. and Song, W.N., 1999. Fault location of two-parallel transmission line for non-earth fault using one-terminal data. IEEE PES Transaction on Power Delivery, 14(3): 863-866.

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