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Volume 2, Issue 4 April 2014

S.No. Title Page No.
01
GENETIC ALGORITHM TUNED PID CONTROLLER BASED SHUNT ACTIVE FILTER FOR HARMONIC REDUCTION
Author: G.Jaya Krishna1, N.Ramesh Raju2 and *C.Swapna3
Abstract: This paper presents the reduction of harmonics and power factor improvement using Shunt Active Filter (SAF) controlled by synchronous reference frame theory and Proportional Integral Derivative (PID) controller tuned by Genetic Algorithm (GA). The Synchronous Reference Frame Theory(SRFT) is used to generate the reference compensating current, PID controller to control the DC voltage across the capacitor and Hysteresis Current Controller(HCC) for generating gating signals for VSI based shunt active filter. The PID controller values are optimized by using Genetic Algorithm. The Genetic algorithm is designed for 100 generations for the better value of PID. By the optimized values of PID controller the DC bus voltage across SAF is maintained constant and hence the Total Harmonic Distortion (THD) is reduced below the value specified by IEEE. The results are validated by simulating the test system with and without Shunt active filter (SAF) with synchronous frame theory and proposed PID controller tuned by Genetic algorithm using MATLAB/SIMULINK.
001-009
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