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Sensitivity analysis and parameters calculation of PV solar panel based on empirical data and two-diode circuit model

机译：基于经验数据和二二极管电路模型的光伏太阳能电池板灵敏度分析和参数计算

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摘要

In this paper, a simple algorithm based on a two-diode circuit model of the solar cell is proposed for calculating different parameters of PV panels. The input parameters required for this algorithm are available from datasheets of the standard PV modules. The values of series and parallel resistances, as well as the recombination factor of Diode 2, are estimated through an iterative solution process. This method is based on maximum power point matching (MPPM) in which the maximum power of PV panel is calculated by the model reaching a minimum error from maximum power proposed in the datasheet. Unlike the other methods, this method is very straightforward and does not require any additional information apart from that of the datasheet. The objective of this paper is to calculate the recombination factor of both diodes in a two-diode PV model, which then leads to further accuracy of the PV model. This novelty in the calculations further improves the accuracy of the model. The simulation is performed in MATLAB, and the effect of altering the temperature of PV cell and level of radiation on the current, voltage, and output power of the PV panel is investigated. The accuracy of the simulation is validated by data extracted from the datasheets of two different PV modules (polycrystalline and monocrystalline).
机译：本文提出了一种基于太阳能电池两二极管电路模型的简单算法，用于计算光伏电池板的不同参数。该算法所需的输入参数可从标准PV模块的数据表中获得。通过迭代求解过程估算串联电阻和并联电阻的值以及二极管2的复合系数。该方法基于最大功率点匹配（MPPM），其中光伏板的最大功率由模型计算得出，该模型与数据表中提出的最大功率相差最小。与其他方法不同，此方法非常简单明了，除了数据表中的信息外，不需要任何其他信息。本文的目的是计算两二极管PV模型中两个二极管的复合系数，从而进一步提高PV模型的准确性。计算的新颖性进一步提高了模型的准确性。仿真是在MATLAB中进行的，研究了改变光伏电池温度和辐射水平对光伏电池板电流，电压和输出功率的影响。通过从两种不同的光伏模块（多晶和单晶）的数据表中提取的数据验证了仿真的准确性。

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