HARMONIC MITIGATION AND REACTIVE POWER COMPENSATION USING SHUNT ACTIVE FILTER WITH PI CONTROLLER

NAYANA JIVANLAL PRAJAPATI, NIMIT SHAH, DHAVAL BHOJANI

Abstract


Due to the advancement of electrical equipment as most of the load is the nonlinear poor quality of electric supply caused. This paper describes a shunt active filter for power quality improvement. It deals with the problem related to harmonics due to the nonlinear load. The Harmonic current is drawn with the aid of the nonlinear burden from the supply which results in a distortion of the voltage waveform in a supply-side. This distorted voltage and current may make conductors heat up and can lessen the effectiveness and future of the gear. With the goal that the decrease of harmonics is significant in nowadays life.  This filter is utilized to make up for sounds reduced harmonics and receptive power. Three-phase thyristor loads are taken as a nonlinear load. For thyristor 180° scheme is used here. Thyristors are fired for seven different values of firing angle from 0° to 60°. The exhibition of a three-stage shunt dynamic power channel utilizing the instantaneous power hypothesis with a PI controller is clarified in this paper. Simulations are carried out using MATLAB/SIMULINK. simulation results are presented.


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References


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