Control of Shunt Active Power Filter based on ZSource Inverter Fed by PV System

Abstract

This paper proposes the integration of a Z-Source Inverter (ZSI)-based Shunt Active Power Filter (SAPF) with a Photovoltaic (PV) system to enhance power quality. The ZSI offers significant advantages over traditional inverters, including improved boost functionality, reduced harmonics, and higher performance. The SAPF control in this study utilizes a trigonometric method, with a proportional-integral (PI) controller employed to regulate the DClink voltage. The primary objective of this paper is to eliminate total harmonic distortion (THD) in the source current. To validate the proposed method, extensive simulations were conducted using MATLAB/Simulink under various operating conditions. The results obtained provide conclusive evidence of the effectiveness of the proposed approach in achieving its objectives