Cost / Loss Minimization by the Placement of DG in Distribution System Using GA and PSO – a Comparative Analysis


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Abstract


The development of Distributed Generation (DG) has been paying more attention in recent years in the  field of distribution systems. The primary objective of DG is to reduce the power losses in the distribution system by proper location and sizing of it. But to reduce  the power losses, large size of DG has to be installed which in turn increases the cost of installation of DG. To overcome the above mentioned issue, in this paper the cost and loss are minimized simultaneously  by placing the  DG in the distribution system. This paper consists of  two phases,  phase-1 reveals the location of DG with the help of Voltage Stability Index (VSI) and size of DG is found by trail and error method and Phase-2 deals with the optimal location and size of DG  by Genetic Algorithm (GA) and the results are compared with the Particle Swarm Optimization(PSO) Technique. A simulation study has been performed on a 33 and 69 bus Radial Distribution System for various load modeling
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Keywords


Distributed Generation; Genetic Algorithm; Particle Swarm Optimization; Voltage Stability Index; Load Modelling

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