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New concept in fault location for overhead distribution systems using superimposed components

New concept in fault location for overhead distribution systems using superimposed components

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Due to the challenges facing many utilities worldwide as a result of deregulation, the demand and importance of accurate fault location in distribution Systems has increased, principally to minimise line outages through effecting repairs expeditiously. The paper presents a novel approach in single-ended fault location for overhead distribution systems based on the concept of superimposed voltages and currents. It is clearly shown that the technique, which is interactive in nature, is highly robust to changes in local and remote source capacities and to the presence of load taps.

References

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      • M. El-Hami , L.L. Lai , D.J. Daruvvala , A.T. Johns . A new travelling-wave basedscheme for fault detection on overhead power distribution feeders. IEEE Trans. Power Deliv. , 4
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      • A.A. Girgis , C.M. Fallon . Fault location techniques for radial and looptransmission systems. IEEE Trans. Power Deliv. , 4 , 1936 - 1945
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      • Das, R., Sachdev, M.S., Sidhu, T.S.: `A technique for estimating location of shunt faultson distribution lines', Proceedings of the IEEE conference, Wescanex'95, 1995.
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      • V. Cook . Fundamental aspects of fault location algorithm used in distance protection. IEE Proc. C , 6
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