Parameter Estimation of a Single Diode Model of a PV Panel using Gauss-Seidel Method: An Experimental Validation

This paper focuses on estimating the parameters of a solar photovoltaic panel’s single diode equivalent model. In this paper, an analytical approach is utilized to estimate the parameters. It is found that, the analytical method seems to have considerable errors. However, the parameter values obtained from analytical method is taken as the initial values for Gauss-Seidel based optimization to obtain a set of fine-tuned parameters. The I-V and P-V curves of both the methods were compared to the real-time hardware curves and the results were discussed.