Critical Review of Topological and Control Techniques for Multifunctional Photovoltaic System

Abstract

Electricity demand is increasing day by day and grid connected photovoltaic systems are gaining so much of attention because of depletion of traditional energy assets.. The multifunctional grid connected PV inverters are having ample of features like power quality enhancement like mitigation of current harmonics, reactive power burden, power factor improvement in three-phase four wire and three-phase three-wire supply system. The PV inverters feed the active power to grid during PV generation at the day time and when the PV generation is off at night time, the same inverters work as a distribution static compensator (DSTATCOM). A comprehensive review on multifunctional grid connected inverter topologies, control techniques, state of art, performance, design considerations, key challenges, future aspects, power quality issues, etc. is presented in this paper. This comprehensive review aimed to discover various perspective on multifunctional inverters and their control strategies to research scholars, power engineers, etc. for their quick reference.