Basic parameter extraction from an organic solar cell through the single diode model and a metaheuristic technique with the Lambert W function

Abstract

Recently solar power has increasingly been used to generate electricity worldwide through photovoltaic (PV) systems. The electrical performance of each PV module plays major role in maximum power transfer. In order to absorb the maximum power from such systems, optimal output voltage and current should be obtained from the I-V characteristics of previously developed models. It is fact that, this is a relatively uneasy task because manufacturer's data sheet is confined to limited number of measured values. In this study, the hybrid genetic algorithms method is employed to extract basic parameters of the ideality factor and the parasitic resistances in the single diode model to transfer maximum power from a PV module to a resistive electrical load. Optimal parameters in the circuital model are found using the I-V characteristic of a silicon diode expressed by the Lambert W function. The results are meaningful and encouraging for maximum power transfer under certain conditions.

Organic Solar Cells Parameters Extraction and Characterization Techniques

“…By assuming high approaching infinity, the model is simplified to a four-parameter model by neglecting the shunt resistance [ 36 ]. By using Lambert W function, an analytical form of cell current as a function of voltage is used to extract the cell ideality factor , series resistance and shunt resistance [ 37 , 38 , 39 ]. The equation can be solved using different numerical methods of curve fitting such as Newton’s methods [ 40 ] and Levenberg-Marquard [ 41 ].…”

A Novel Computational Model for Organic PV Cells and Modules

“…Various diode approximation-based models have been proposed to represent the electrical behaviour of OPV cells [14,19]. The ideal equivalent model and a more realistic equivalent model that takes into account non-idealities are presented in the next sections.…”

Fotovoltaik Paneller için Parametre Kestirim Sistemi

“…Tutkun ve arkadaşları melez genetik algoritma kullanarak FV panelin ideallik faktörü ve R s parametrelerini tespit etmişlerdir [2]. Jain ve Kapoor FV panelin R s ve R sh değerlerini hesaplamak için Lambert W fonksiyonu kullanarak Mapple yazılımıyla bir çalışma yapmışlardır [3].…”