• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2023, Volume: 16, Issue: 46, Pages: 4328-4338

Original Article

A Compact Mathematical Modelling for Performance Evaluation of PV Module considering Single-Diode M odel

Received Date:07 June 2023, Accepted Date:28 October 2023, Published Date:13 December 2023


Objective: To develop closed-form relation between current and voltage of PV module based on single-diode equivalent circuit under valid approximation. Methods: The behaviour of PV module under various operational conditions can be easily and accurately determined when the intrinsic parameters like series resistance, shunt resistance, photo current and ideality factor are accurately modelled. Therefore, it is required to develop a mathematical model that must be compact and accurate to provide new insights into the electrical performance of the module faster. This paper presents a simple, compact, and precise mathematical model of these intrinsic parameters which enable high-speed and accurate predictions of the electrical characteristics of the commercially available PV module. Findings: The proposed model shows an excellent matching with experimental results only for V<Voc. Terminal current degrades and takes negative value when voltage is larger than Voc. The proposed model is applicable to Si-based crystalline and polycrystalline PV modules when Rs<1 Ω and V≤Voc. As series resistance increases, ideality factor takes negative value. This observation reflects that increase in Rs over years degrades the performance of the module. From analysis it was observed that larger open circuit voltage and short circuit current are desirable for larger photocurrent in PV module. Larger Ns results in lower series resistance which ultimately increases the terminal current and enhance the overall module performance whereas larger dark current reduces the terminal current which further degrades the performance of the cell. Novelty: The compact closed form of analytical validated model for current-voltage characteristics to predict the behavior of PV module accurately within limited computation time. The proposed models of five intrinsic parameters enable high-speed accurate prediction of the electrical characteristics of the commercial module.

Keywords: Solar Cell, Photo Voltaic Module, Mathematical Models, Standard Test Conditions, Single Diode Model


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© 2023 Singh & Soong. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)


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