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Directional Comparison Bus Protection Using Superimposed Partial Operating Current Characteristics, Bishwas Baral
Directional Comparison Bus Protection Using Superimposed Partial Operating Current Characteristics, Bishwas Baral
University of New Orleans Theses and Dissertations
Various directional comparison bus protection methods including widely used superimposed directional element method need to have both voltages and currents from all feeders connected to the zone of protection to find the direction of current for detecting a bus fault or a line fault. The purpose of the thesis is to present a new technique for directional comparison bus protection to discriminate a bus fault from line fault and normal condition. The new technique, which is implementing superimposed directional element method to modify partial operating current characteristics (POC) method to superimposed POC (SPOC) method, does not use voltages from feeders, …