Title

Load angle based optimal reclosing technique of circuit breakers for power quality enhancement

Abstract

This paper proposes a new method of optimal reclosing based on the total load angles of the synchronous gen erators in a multi-machine power system. First the optimal reclosing times are determined, and then the performance of the proposed reclosing method and that of the conventional reclosing technique is compared. In order to analyze the reclosing techniques, the IEEE nine bus power system model is considered. Both balanced and unbalanced temporary and permanent faults at different locations in the power system model are considered. Two indices are considered to evaluate the system performance in terms of power quality enhancement. Simulation results indicate that the proposed total load angles based optimal reclosing technique is effective to maintain the power quality in a multi-machine power system. Moreover, the performance of the proposed reclosing method is better than that of the conventional reclosing method. © 2013 IEEE.

Publication Title

Conference Proceedings - IEEE SOUTHEASTCON

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