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Investigation on the accurate parameter estimation of photovoltaic (PV) module based on simplified two-diode model

B. Chitti Babu (Centrum ENET, VSB – Technical University of Ostrava, Ostrava, Czech Republic)
Suresh Gurjar (Department of Electrical Engineering, National Institute of Technology, Rourkela, India)
Tomas Cermak (Centrum ENET, VSB – Technical University of Ostrava, Ostrava, Czech Republic)

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 13 June 2016

185

Abstract

Purpose

This paper aims to present a detailed investigation on the parameter estimation of a photovoltaic (PV) module by using a simplified two-diode model.

Design/methodology/approach

The studied PV module in this paper resembles an ideal two-diode model, and to reduce the computational time, the proposed model has a photocurrent source and two ideal-diodes and neglects the series and shunt resistances. Hence, for calculating the unknown parameters, only four parameters are required from the datasheet. Moreover, the studied model is simple and uses an easy modeling approach which is free from complexities.

Findings

The performance of the PV module is analyzed under non-standard test conditions by considering partial shading at different shaded levels, and it is found that the model has less computational time and gives accurate results.

Originality/value

The usefulness of this PV model is demonstrated with the help of several illustrative figures, and the performance of the PV module is evaluated.

Keywords

Acknowledgements

This article has been elaborated in the framework of the project New creative teams in priorities of scientific research (Reg. no. CZ.1.07/2.3.00/30.0055), supported by Operational Programme Education for Competitiveness and co-financed by the European social fund and the state budget of the Czech Republic.

Citation

Chitti Babu, B., Gurjar, S. and Cermak, T. (2016), "Investigation on the accurate parameter estimation of photovoltaic (PV) module based on simplified two-diode model", World Journal of Engineering, Vol. 13 No. 3, pp. 225-233. https://doi.org/10.1108/WJE-06-2016-030

Publisher

:

Emerald Group Publishing Limited

Copyright © 2016, Emerald Group Publishing Limited

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