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

被引：45
作者：
Stornelli, Vincenzo [1 ]
Muttillo, Mirco [1 ]
de Rubeis, Tullio [1 ]
Nardi, Iole [2 ]
机构：
[1] Univ Aquila, Dept Ind & Informat Engn & Econ DIIIE, Piazzale Pontieri 1, I-67100 Laquila, Italy
[2] Agenzia Nazl Nuove Tecnol Energia & Sviluppo Econ, 00123 SM Galeria, I-00100 Rome, Italy
来源：
ENERGIES | 2019年 / 12卷 / 22期
关键词：
PV modules; PV modeling; parameters estimation; photovoltaic cells; PV systems; PV optimization; iterative method; EQUIVALENT-CIRCUIT PARAMETERS; PARTICLE SWARM OPTIMIZATION; PV MODULES; 2-DIODE MODEL; CELLS; PERFORMANCE; ALGORITHM; IDENTIFICATION; TECHNOLOGY; EXTRACTION;
D O I：
10.3390/en12224271
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
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.
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页数：20
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