Abstract

In this work, fuzzy inference system (FIS) based distance estimation has been proposed using voltage measurement for HVDC lines. In this method, rectifier end measurements are used to locate faults. Mamdani type FIS with triangular member function is used for locating the faults. Advantage of the method is that it has less error in fault location and more reach setting. The proposed method does not use signals from both end but only one end. Novelty of the work is that there is no FIS based fault location estimation schemes proposed as of author’s knowledge for DC transmission lines. Hence, the proposed method can locate faults in bipolar HVDC lines.

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