Control of a Z-source inverter integrated in a photovoltaic system

Abstract

The aim of this work is to study of Z-source inverter connected with PV generator, to improve the performance of the classic inverter. This system is used to feed an induction motor. Moreover, this inverter makes sure the both function of a booster chopper and an inverter in one stage. In addition, a modified space vector pulse-width modulation (SVPWM) control method has been used to control the Z-source inverter by insertion of shoot-through state with the Z-source network together to achieve the best efficiency and reduce the Total Harmonic Distortion (THD). The MPPT technique is used to obtain optimal power performance of the photovoltaic generator (GPV). The MPPT technique allowed obtaining the optimal power performance of the photovoltaic generator (GPV). The simulations results have been obtained by numerical MATLAB/Simulink Software to validate the propose study.