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In this work, a novel application of hybrid Particle Swarm Optimization (PSO) and Firefly (FF) method is proposed with an intend of determining the optimal positioning and sizing of Distributed Generators for multi-objectives. Here, the multi-objectives like minimization of loss of power, enhancement of voltage profile, and minimization of operation cost fed to inequality and equality constraints. Moreover, the developed technique is shown on IEEE 33-bus and 69-bus RDS. Here, every test system is contemplated for two diverse cases: case 1: positioning Type 1 DGs (only real power injection). Case 2: positioning Type 2 DGs (both real and reactive power injection). Finally, the experimentation outcomes attained from the developed method are evaluated with other renowned optimization methods; and the proposed method shows more efficient for multi-objectives.

Hybrid Particle Swarm Optimization and Firefly Algorithm for Distributed Generators Placements in Radial Distribution System