Solution for Multi-Objective Reactive Power Optimization Using Fuzzy Guided Tabu Search

A fuzzy guided tabu search (FGTS) algorithm for solving multi-objective reactive power optimization problem is presented. The problem is formulated as a non-linear constrained multi-objective problem with three competing objectives, viz., minimization of losses, cost of VAR sources, and improvement of voltage profile. The proposed algorithm is based on the combination of fuzzy logic strategy incorporated in tabu search (TS). The standard IEEE 30-bus system and practical Indian 76-bus system are used as the test systems. The results are encouraging and indicate the viability of the proposed technique. The proposed method is capable of generating diverse and well-distributed pareto-optimal solutions.

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