RESEARCH ON INFLUENCE OF INTERMITTENT OCCLUSION ON PERFORMANCE OF PHOTOVOLTAIC ARRAY POWER GENERATION

Zhang Qi; Wang Dengjia; Liang Yuxiang; Fu Zhiguo

doi:10.19912/j.0254-0096.tynxb.2023-1391

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (1) : 587-593. DOI: 10.19912/j.0254-0096.tynxb.2023-1391

RESEARCH ON INFLUENCE OF INTERMITTENT OCCLUSION ON PERFORMANCE OF PHOTOVOLTAIC ARRAY POWER GENERATION

Zhang Qi^1,2, Wang Dengjia^1,2, Liang Yuxiang^1,2, Fu Zhiguo³

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Abstract

The output characteristics of photovoltaic modules and arrays under intermittent partial shadow occlusion conditions are analyzed, and an adaptive particle swarm optimization algorithm that can accurately track the maximum power point for the multi-peak performance curve of photovoltaic arrays is proposed. Using the principle of five-parameter model, the simulation model of photovoltaic modules and arrays is built in Simulink. Taking a photovoltaic array in Xi'an as an example, Sketch up is used for sunshine analysis, and the actual shadow occlusion conditions are simulated, which are brought into the above model to obtain the performance curve, and MPPT tracking is carried out by adaptive particle swarm optimization algorithm. Finally, the accuracy of the model is proved by experiments.

Key words

photovoltaic cells / maximum power point tracking / solar power generation / partial occlusion

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Zhang Qi, Wang Dengjia, Liang Yuxiang, Fu Zhiguo. RESEARCH ON INFLUENCE OF INTERMITTENT OCCLUSION ON PERFORMANCE OF PHOTOVOLTAIC ARRAY POWER GENERATION[J]. Acta Energiae Solaris Sinica. 2025, 46(1): 587-593 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1391

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