Photovoltaic system with quantitative comparative between an improved MPPT and existing INC and P&O methods under fast varying of solar irradiation

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Abstract

This work aims firstly to extract parameters lacked in the manufacturers’ datasheet by using a simple tool provided by PSIM and then model the PV panel. This model is validated using experimental data. In addition, this work presents the effect of solar irradiation and temperature on the performance of the PV panel. Next, this work will demonstrate that existing algorithms such as perturb and observe and incremental conductance respond inaccurately when solar irradiation is increased. For that a modified incremental conductance algorithm is presented, the latter can respond accurately when solar irradiation is increased and reduce the steady-state oscillations. Finally, ‘software-in-the-loop’ simulation for the conventional and the modified algorithms is made. Thus a quantitative analysis on the amount of energy loss for rapid change of environmental conditions in the modified method with existing INC and P&O methods is done. The results show that the modified algorithm makes an accurate response once the solar irradiation is increased with fast response and high efficiency. Hence, the loss of energy is minimized.

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Motahhir, S., El Hammoumi, A., & El Ghzizal, A. (2018). Photovoltaic system with quantitative comparative between an improved MPPT and existing INC and P&O methods under fast varying of solar irradiation. Energy Reports, 4, 341–350. https://doi.org/10.1016/j.egyr.2018.04.003

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