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A Maximum Power Point Detection Method for Photovoltaic Module Based on Lambert W Function

机译：基于Lambert W函数的光伏组件最大功率点检测方法

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摘要

In order to verify the maximum power point tracking algorithm and evaluate, simulate, and optimize photovoltaic system, the maximum power point needs to be detected. In this paper, a maximum power point detection method for photovoltaic (PV) module based on Lambert W function is presented to achieve the high-precision detection. By using piecewise curve-fitting method, a maximum power point detection and optimization algorithm based on Lambert W function is proposed. Meanwhile, the characteristics of the DC-DC converter used for detection are analyzed in detail, and the working conditions of the converter which can realize full range detection are obtained. Moreover, the performance of the proposedmethod is investigated by modeling, simulation, and experiment of PV system. Furthermore, errors and statistical analyses are carried out to illustrate the precision of the proposed method. The results validate the model well with experimental work. Compared with previous methods in other works, the results demonstrate the proposed method correctness and effectiveness.
机译：为了验证最大功率点跟踪算法并评估，模拟和优化光伏系统，需要检测最大功率点。提出了一种基于Lambert W函数的光伏组件最大功率点检测方法，以实现高精度检测。运用分段曲线拟合的方法，提出了一种基于Lambert W函数的最大功率点检测与优化算法。同时，详细分析了用于检测的DC-DC转换器的特性，并获得了可以实现全范围检测的转换器的工作条件。此外，通过对光伏系统的建模，仿真和实验研究了该方法的性能。此外，进行误差和统计分析以说明所提出方法的精度。结果通过实验工作很好地验证了模型。与其他方法中的先前方法相比，结果证明了所提出方法的正确性和有效性。

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  • 来源
    《Mathematical Problems in Engineering》 |2018年第13期|8082960.1-8082960.8|共8页
  • 作者

    Wu Haitao; Peng Lele;

  • 作者单位

    Chongqing Univ Sch Elect Engn 174 Shazhengjie Chongqing 400044 Peoples R China|Yangtze Normal Univ Sch Robot Engn 16 Juxian Rd Chongqing 408100 Peoples R China;

    Shanghai Univ Engn Sci Sch Urban Railway Transportat 333 Longteng Rd Shanghai 201620 Peoples R China;

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