PSO and GA Based Performance Optimization of PI Controller in Three Phase Shunt Hybrid Filter

This paper attempts to compare about the performance analysis of meta heuristic optimising techniques like PSO and GA for tuning the PI parameters in the implementation on shunt hybrid filter. The total Harmonic Distortion is taken as the objective to be reduced in this problem. The PI tuning using both the Zeiglers method and the PSO ,GA method is carried out and compared for the optimized THD value for a Shunt Active filter. Zeigler method is the traditional method of PI tuning and the PSO and GA are the method of optimization that would increase the accuracy of tuning. The optimization method proved to be better in the optimization of the PI parameters for the reduction of THD.This paper has also attempted in linking the PI value for THD reduction problem. Matlab based simulation is carried out and the results are compared for the THD and the voltage ripple.

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