Simple Computational Method of Predicting Electrical Characteristics in Solar Cells

J. Ma, K. L. Man, T. O. Ting, N. Zhang, E. G. Lim, Sheng-Uei Guan, P. W.H. Wong, T. Krilavicius, D. Saulevicius, C. U. Lei


A precise single-diode analytical model of Photovoltaic (PV) modules is generally nonlinear analytical equations with high computation complexity. This paper proposes a simple computational method for the PV model. Its exponential diode behaviour is simplified via Least Squares Approximation (LSA), which permits designers or engineers to predict the electrical characteristics of a PV module without using iterative numerical calculations. Based on experimental data, the methodology is validated by covering a wide range of operation conditions. Simulation and experimental results prove the effectiveness and accuracy of the proposed method.



Analytical models; photovoltaic cells; least square approximation

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