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Solar Photovoltaic System Interfaced Shunt Active Power Filter for Enhancement of Power Quality in Three-Phase Distribution System

Research paper by S. Senguttuvan, M. Vijayakumar

Indexed on: 01 Jun '18Published on: 19 Jan '18Published in: Journal of Circuits, Systems, and Computers



Abstract

Journal of Circuits, Systems and Computers, Ahead of Print. This paper presents a solar photovoltaic (SPV) interfaced shunt active power filter (APF), which is certainly one of the utmost effective custom power devices, which mitigates the long duration current harmonics and compensates the reactive power. The shunt APF consists of the parallel connected voltage source inverter (VSI) and storage capacitor which is connected in the DC link. The compensation ability of the APF is mainly inspired by the control technique which is used to estimate the reference source current signal. Furthermore, the controller chooses the number of devices required and measurement practices; thus, it determines the corresponding costs. The fuzzy logic controller (FLC)-based second order generalized integrator (SOGI) is employed to estimate the reference source current of the shunt APF. The presented control scheme does not require voltage associated information and sensors, because it utilizes the details concerning the VSI and load currents. The shunt APF uses the solar photovoltaic (SPV) system with an auxiliary energy storage unit to deliver the required active power to the electric grid and affords the uninterrupted compensation. The performance analysis has been carried out with different load and voltage conditions through the simulation by using the MATLAB/Simulink. The experimental prototype was developed to confirm the usefulness of the PV integrated shunt APF with FLC-based SOGI control scheme.