Comparison of Control Strategies of an Active Power Filter for Power Quality Enhancement of Grid Connected PV System

Ghanta Manikanta Dhaneswara Rao, V Srinivas

Abstract: This paper introduces an utility of power filter (APF) in photovoltaic (PV) renewable energy machine for power high-quality (PQ) improvement. The PV electricity is connected to Grid via inverter circuit, transmission line and step-up transformer. The harmonics due to the inverter circuit and non-linear neighborhood load are mitigated and reduced using shunt APF. Also the reactive power and then the voltage legislation can be tailored and adjusted the usage of APF. Design of APF is presented with control algorithms Instantaneous PQ theory and Perfect Harmonic Cancellation methods. The system under learn about is simulated using MATLAB/SIMULINK Software Package. The APF shape and its manipulate system is also presented. The simulated is subjected to loading disturbances to learn about the effectiveness of control algorithms of APF. The digital results prove the powerful of the APF in sensing of deceasing the total harmonic distortion (THD) and fast voltage regulation

Keywords: Distributed Generation, PhotoVoltaic System, Active Power Filter, Harmonics Mitigation, Hysteresis Band Current Controller and Power Quality