Using Positive and Negative Sequence Components of Currents and Voltages for High Impedance Fault Analysis via ANFIS

Using Positive and Negative Sequence Components of Currents and Voltages for High Impedance Fault Analysis via ANFIS

Mohamed M. Ismail (Faculty of Engineering, Helwan University, Cairo, Egypt) and M. A. Moustafa Hassan (Department of Electrical Engineering, Cairo University, Cairo, Egypt)
Copyright: © 2012 |Pages: 26
DOI: 10.4018/ijsda.2012100106

Abstract

High Impedance Faults are defined as unwanted electrical contact between an energized conductor and a non-conducting foreign object. Non-conducting foreign object present high impedances to current flow due to their material, so a fault of this type will not appear to the classical protection equipment as abnormal conditions. Presented is an approach for detection, classification, and location of high impedance faults in a distribution system using Adaptive Neuro Fuzzy Inference System (ANFIS) based on positive and negative sequence components of voltages and currents. The proposed scheme was trained by data from simulation of a distribution system under different faults conditions and different distances in a short and long transmission lines. Details of the design procedure and the results of performance using the proposed method are discussed in this paper.

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