光伏太阳能电池动态建模中动态电阻对最大输出功率的影响

S. Touré
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引用次数: 3

摘要

文献中有几项关于光伏太阳能电池的研究使用了静态模型。这些型号主要是单二极管、双二极管或三二极管型号。在动态建模中,引入了可变并联电容。与以往的研究没有明确建立电容和电压之间的关系不同,本文研究并建立了电容和电压之间的联系。在本文研究的动态建模中,将动态电阻引入到太阳能电池的建模中。介绍了电流-电压特性。计算了最大功率点的动态电阻值,并研究了动态电阻对最大功率的影响。该研究首次表明,由于动态电阻对光伏电池输出有影响,必须在电流-电压特性中引入动态电阻。光伏太阳能电池动态建模中动态电阻对最大输出功率的影响。
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Effect of the Dynamic Resistance on the Maximum Output Power in Dynamic Modelling of Photovoltaic Solar Cells
Several studies on PV solar cells are found in the literature which use static models. Those models are mainly one-diode, two-diode or three-diode models. In the dynamic modelling, a variable parallel capacitance is incorporated. Unlike the previous studies which do not clearly establish a relationship between the capacitance and the voltage, in the present paper, the link between the capacitance and the voltage is investigated and established. In dynamic modelling investigated in this paper, the dynamic resistance is introduced in the modelling of the solar cell. It is introduced in the current-voltage characteristic. The value of the dynamic resistance is evaluated at the maximum power point and its effect on the maximum power is investigated. The study shows for the first time, that the dynamic resistance must be introduced in the current-voltage characteristic, because it has an influence on the PV cell output. Effect of the Dynamic Resistance on the Maximum Output Power in Dynamic Modelling of Photovoltaic Solar Cells.
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