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Abstract

This work aims at minimizing the power loss in radial distribution system by placing optimally sized shunt capacitors at appropriate locations in the proposed test system. The power flow solution of the proposed test network is obtained using Backward/forward sweep based load flow methodology for different types of load models. The rating of the capacitors to be placed in the test system is optimized using artificial bee colony algorithm which is a nature inspired Meta-heuristic search technique mimics the foraging behavior of the honey bee swarm. The sensitive nodes which are prone to voltage collapse are identified for installation of the shunt capacitors by voltage stability index computation. The rigidness of the proposed optimization approach searching towards the optimal solution is tested on IEEE 69 bus radial test distribution system for different load models.