An efficient photovoltaic system with strong control capabilities that significantly increases performance under complex real-world PV meteorological conditions

Bi Li, Zhinong Li and Deqiang He

Renewable Energy, 2025, vol. 240, issue C

Abstract: Existing research adopts two mainstream approaches to increase the photovoltaic (PV) system's performance under partial shading (PS): improving maximum power point tracking (MPPT) algorithms and changing PV array configurations. However, these approaches barely consider the rapidly varying solar irradiation (RVSI) and temperature fluctuations (TFs) in real PS environments, which limits the adaptability and performance of PV systems in complex environments. Therefore, this paper proposes a third approach to improving PV system performance: an efficient PV system that improves control over the PV array to significantly increase performance under complex real-world PV meteorological conditions (which involve PS, RVSI, and TFs). The performance of the proposed system is analyzed using four MPPT algorithms under simple PS and complex real-world PV meteorological conditions. The results show that the proposed efficient PV system can effectively increase the global maximum power point under PS conditions and significantly increase the PV system's performance under various meteorological conditions. The average output power, tracking power speed, and output stability of this system can respectively reach 1.29 to 1.59 times, 1.49 to 10.14 times, and 0.90 to 4.24 times those of the common system. Finally, the PV experimental results validate the accuracy of the improved PV model.

Keywords: Partial shading; Efficient PV system; Complex real-world PV meteorological conditions; Global maximum power point; PV system performance (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:240:y:2025:i:c:s0960148124023097

DOI: 10.1016/j.renene.2024.122241

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