A New Simplified Five-Parameter Estimation Method for Single-Diode Model of Photovoltaic Panels

Vincenzo Stornelli, Mirco Muttillo, Tullio de Rubeis and Iole Nardi
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Vincenzo Stornelli: Department of Industrial and Information Engineering and Economics (DIIIE), University of L’Aquila, Piazzale Pontieri 1, Monteluco di Roio, I 67100, 67100 L’Aquila, Italy
Mirco Muttillo: Department of Industrial and Information Engineering and Economics (DIIIE), University of L’Aquila, Piazzale Pontieri 1, Monteluco di Roio, I 67100, 67100 L’Aquila, Italy
Tullio de Rubeis: Department of Industrial and Information Engineering and Economics (DIIIE), University of L’Aquila, Piazzale Pontieri 1, Monteluco di Roio, I 67100, 67100 L’Aquila, Italy
Iole Nardi: Agenzia nazionale per le nuove tecnologie, l’energia e lo sviluppo economico sostenibile (ENEA), 00123 S.M. Di Galeria, 00100 Rome, Italy

Energies, 2019, vol. 12, issue 22, 1-20

Abstract: This work proposes a new simplified five-parameter estimation method for a single-diode model of photovoltaic panels. The method, based on an iterative algorithm, is able to estimate the parameter of the electrical single-diode model from the panel’s datasheet. Two iterative steps are used to estimate the five parameters starting from data provided by the manufacturer (nameplate values or I–V curves). The first step permits finding the optimal value of the diode ideality factor A , and the second step allows the calculation of the R p value to improve the accuracy. A model that takes into account variations in temperature and solar irradiance has been used to validate the behavior of the output parameters. Compared to other estimation work, the proposed method shows the best result in the standard test condition (STC) and with a variable solar irradiance. Indeed, the optimization of the A , R s , and R p parameters allows guaranteeing the minimum error between I–V curves obtained from method and datasheet.

Keywords: PV modules; PV modeling; parameters estimation; photovoltaic cells; PV systems; PV optimization; iterative method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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