Authors: Radhakrishna K. R, Dr. T. Ananthapadmanabha
Abstract: In order to reduce power losses, and to determine the optimal location and the impedance of fault current limiter in distribution systems connected with multiple Distributed Generations two parameters are used for detecting islanding conditions voltage unbalance and total harmonic distortion of current. Based on this parameters islanding conditions are detected. A fault current limiter is designed in order to minimize the impact of multiple DGs on the protection system in a distribution system during a fault occurrence. Finally, determining the optimal location and impedance of fault current limiter it is modelled as optimization problem with power loss and economical use as objective function. In this paper, Particle Swarm Optimization (PSO) algorithm illustrates for determining the optimal location and impedance of fault current limiter.
Keywords: Voltage Unbalance, fault current limiter, PSO Algorithm, loss reduction
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