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Digital fault-location algorithm including grounding impedance at fault place

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2 Author(s)
Popovic, L.J.M. ; Fac. of Electr. Eng., Belgrade Univ., Serbia ; Radojevic, Z.M.

The influence of fault-place grounding impedance is usually not taken into account in algorithms for ground-fault distance estimation. The fault-place grounding impedance depends on the design characteristics of ground wires and tower footing resistances. The paper shows the possibility of taking into account the fault-place grounding impedance in the algorithm for ground-fault distance estimation. An algorithm taking into account fault-place grounding impedance has a better accuracy and only slightly greater complexity

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Generation, Transmission and Distribution, IEE Proceedings-  (Volume:148 ,  Issue: 4 )