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Enhancing photovoltaic MPPT with P&O algorithm performance based on adaptive PID control using exponential forgetting recursive least squares method

Author

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  • Girgis, Meena E.
  • Elkhateeb, Nasr A.

Abstract

To maximize power transfer from the PV panel, a Perturb and Observe (P&O) algorithm and a feedback controller are used to create the Maximum Power Point Tracking (MPPT) algorithm. The dynamic performance of the MPPT algorithm depends on the feedback controller’s ability to track the PV panel voltage to the reference voltage from the P&O algorithm. This research introduces an adaptive Proportional-Integral-Derivative (PID) controller that improves the dynamic characteristics of the MPPT algorithm. The proposed adaptive control technique utilizes a PID controller and the exponential forgetting recursive least squares (EFRLS) algorithm to update the PID gains online. The verification process involves simulations under three scenarios: slow and fast variations in temperature, solar insolation, resistive load, and partial shading situations. The proposed adaptive PID controller performs robustly during tracking PV panel voltage under different atmospheric conditions.

Suggested Citation

  • Girgis, Meena E. & Elkhateeb, Nasr A., 2024. "Enhancing photovoltaic MPPT with P&O algorithm performance based on adaptive PID control using exponential forgetting recursive least squares method," Renewable Energy, Elsevier, vol. 237(PC).
    • Handle: RePEc:eee:renene:v:237:y:2024:i:pc:s096014812401869x
    DOI: 10.1016/j.renene.2024.121801
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