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Accurate location of phase-to-earth and phase-to-phase faults on power transmission lines using two-end synchronized measurements

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2 Author(s)
Dawidowski, P. ; Inst. of Electr. Power Eng., Wroclaw Univ. of Technol., Wroclaw, Poland ; Izykowski, J.

This paper presents a new non-iterative algorithm for accurate location of phase-to-earth and phase-to-phase faults on power transmission lines. Input signals of the fault locator are considered as obtained from two-end synchronized measurements of three-phase currents and voltages. High accuracy of fault location is assured by considering a distributed-parameter line model and processing the signals from the fault interval only. The developed algorithm has been thoroughly tested with use of signals generated by ATP-EMTP software for wide range of simulations. Selected results from such testing are presented and discussed.

Published in:

Environment and Electrical Engineering (EEEIC), 2011 10th International Conference on

Date of Conference:

8-11 May 2011