PERFORMANCE SIMULATION METHOD OF THREE-SLICE PV MODULE UNDER SHADOW SHADING

Huang Yueting; Bai Jianbo; Wang Zhujiang; Hu Jiayu; Zheng Shuang; Wang Shitao

doi:10.19912/j.0254-0096.tynxb.2023-1094

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (11) : 212-219. DOI: 10.19912/j.0254-0096.tynxb.2023-1094

PERFORMANCE SIMULATION METHOD OF THREE-SLICE PV MODULE UNDER SHADOW SHADING

Huang Yueting¹, Bai Jianbo¹, Wang Zhujiang¹, Hu Jiayu¹, Zheng Shuang¹, Wang Shitao²

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Abstract

PV module slicing technology is an effective method to enhance the module power, but the variation of structure makes it difficult to study the modeling of PV module output performance under complex scenarios. A method to simulate the performance of three-slice PV modules under shadow shading scenarios is proposed. The method is based on a single cell and combines the series-parallel structure of the equivalent circuit to simulate the output performance of three-slice modules under shadow shading scenarios, and finally different shading experiments are used to verify the accuracy of the algorithm. By comparing the calculated power of the model with the measured value, the maximum error of the five parameters of the three sliced PV modules is 2.68% and the minimum error is 0.51%; the maximum error of the maximum power point power in the shading mismatch model of the three sliced module is 3.34% and the minimum error is 1.02%, which proves that the method has high accuracy. In addition, a comparative study on the output performance of the three-split module under different shading scenarios is conducted, and the results show that the circuit structure of three sliced series-parallel connection can enable the module to obtain higher output under local shading shading situation, and the three sliced PV module has better performance of shading resistance.

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PV modules / power generation simulation / mismatch / shading / sliced PV modules

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Huang Yueting, Bai Jianbo, Wang Zhujiang, Hu Jiayu, Zheng Shuang, Wang Shitao. PERFORMANCE SIMULATION METHOD OF THREE-SLICE PV MODULE UNDER SHADOW SHADING[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 212-219 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1094

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