Irradiance Sudden Change Grid Connected Fuzzy Self Tuning PID Controller Maximum Power Point Tracking Technique for Photovoltaic Power System

Document Type : Original Article

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Power Dept. , Faculty of Engineering , Helwan University

Abstract

This paper presented the Deep detail of ANFIS and Grid Connected. Photovoltaic power generation system required an effective controller to overcome sudden irradiance change and to maximize their efficiency in order to be more efficient & more precise. This paper proposed an approach of MPPT based on a voltage control approach of power converter with the use of the Adaptive Fuzzy logic controller (Adaptive FLC). The input voltage reference is adaptively perturbed with variable steps until the maximum power is reached. A state-space model is derived through averaging method, with the control input being the modulation depth of the proposed Inverter. The proposed control scheme achieved stable condition in the control region of the PV panel and eliminated the steady state oscillations when there is sudden change of irradiance in the maximum power operating point. Furthermore, the PV system became more efficient, as proven by sudden change in radiation conditions for 0.2 seconds, where energy can be saved approximately 95%. As the max error percentage (Kindly refer to Fig.29)

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