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Research on Parameter Extraction Method of Photovoltaic Module Based on Improved Hybrid Algorithm

机译:基于改进的混合算法的光伏模块参数提取方法研究

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摘要

Correct extraction of the equivalent circuit model parameters of photovoltaic modules is of great significance for power prediction, fault diagnosis, and system optimization of photovoltaic power generation systems. Although there are many methods developed to extract the equivalent circuit model parameters of the photovoltaic module, it is still challenging to ensure the stability and operational efficiency of the extract method. In order to effectively extract the parameters of photovoltaic modules, this paper proposes a hybrid algorithm combining analytical methods and differential evolution algorithms for the extraction parameters of PV module. Firstly, the analytical method is applied to simplify the equivalent circuit model and improve the efficiency of the algorithm. Then, the adaptive algorithm is used to adjust the parameters of the differential evolution algorithm. Through the algorithm proposed in this paper, the parameters of the equivalent circuit model of the photovoltaic module can be extracted by the open-circuit voltage, short-circuit current, and maximum power point current and voltage provided by the manufacturer. The proposed method is applied to the extraction of the parameters of the dual-diode equivalent circuit model of different types of photovoltaic modules. The reliability and computational efficiency of the proposed algorithm are verified by comparison and analysis.
机译:光伏模块的等效电路模型参数的正确提取是用于功率预测,故障诊断,并且光伏发电系统的系统优化十分重要的意义。虽然有发展到提取光伏模块的等效电路模型的参数的许多方法,但它仍然具有挑战性,以确保提取物方法的稳定性和操作效率。为了有效地提取光生伏打模块的参数,本文提出了一种混合算法相结合用于PV模块的提取参数的分析方法和微分进化算法。首先,应用了分析方法,以简化的等效电路模型和提高算法的效率。然后,自适应算法来调整所述差分演化算法的参数。通过在本文提出的算法中,光伏模块的等效电路模型的参数可以由开路电压,短路电流,和最大功率点的电流和电压由制造商提供被提取。所提出的方法被应用到不同类型的光伏模块的双二极管等效电路模型的参数的提取。所提出的算法的可靠性和计算效率通过比较和分析证实。

著录项

  • 作者

    Haitao Wu; Zhou Shang;

  • 作者单位
  • 年度 2020
  • 总页数
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类

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