A step by step analytical solution to the single diode model of a solar cell | [NUST Journal of Engineering Sciences • 2022]

Author(s):

1. H. A. Koffi: Dept. of Physics, School of Physical and Mathematical Sc., University of Ghana, LG 63, Legon

2. E. A. Armah: Dept. of Physics, School of Physical and Mathematical Sc., University of Ghana, LG 63, Legon

3. K. Ampomah-Benefo: Dept. of Physics, School of Physical and Mathematical Sc., University of Ghana, LG 63, Legon

4. D. Dodoo-Arhin: Dept. of Material Sciences, School of Engineering, University of Ghana, LG 77, Legon

Abstract:

Making use of previous results where the series resistance, Rs, and the light-generated current, IL, of a solar cell are determined through the knowledge of the open-circuit voltage, Voc, the short circuit current, Isc, the voltage and current at the maximum power point, Vmp and Imp. A simple and analytical step by step approach has been developed to determine the shunt resistance, Rsh, the reverse saturation current, Is and the ideality factor, A, of a solar cell. Making use of these results and with the knowledge of the operating temperature, T, this work demonstrates that a single I-V curve is enough to fully solve the transcendental equation governing the behaviour of a solar cell in the Single-Diode Model.

Page(s): 60-64

DOI: 10.24949/njes.v15i2.728

Published: Journal: NUST Journal of Engineering Sciences, Volume: 15, Issue: 2, Year: 2022

Keywords:

Solar Cell , SingleDiode Model , Lightgenerated current , Shunt resistance , Series resistance , Short circuit current , Reverse Saturation Current

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