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A New Iterative Approach to the Corrective Security-Constrained Optimal Power Flow Problem

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2 Author(s)
Capitanescu, F. ; Dept. of Electr. Eng. & Comput. Sci., Univ. of Liege, Liege ; Wehenkel, L.

This paper deals with techniques to solve the corrective security-constrained optimal power flow (CSCOPF) problem. To this end, we propose a new iterative approach that comprises four modules: a CSCOPF which considers only a subset of potentially binding contingencies among the postulated contingencies, a (steady-state) security analysis (SSSA), a contingency filtering (CF) technique, and an OPF variant to check post-contingency state feasibility when taking into account post-contingency corrective actions. We compare performances of our approach and its possible variants with classical CSCOPF approaches such as the direct approach and Benders decomposition (BD), on three systems of 60, 118, and 1203 buses.

Published in:

Power Systems, IEEE Transactions on  (Volume:23 ,  Issue: 4 )