Explicit representation of S-shaped and standard V–I curve of illuminated solar cell

Abhik Kumar Das and Rhythm Singh

Renewable Energy, 2024, vol. 231, issue C

Abstract: A generalized explicit model is proposed in this study to model the S-shaped and standard voltage-current characteristics (V–I) of illuminated solar cells. Even though the voltage-current characteristics of a typical solar cell follow a single exponential model (single diode model), there is evidence of S-shaped voltage-current characteristics that cannot be captured by the existing standard analytical models. The proposed explicit analytic representation is comparatively simple and produces satisfactory results in depicting the voltage-current curve for a wide variety of solar cells, including those with S-shaped characteristics. The methodology for determining the empirical parameters of the proposed model is also described, including an easy estimation of maximum power point voltage using model parameters.

Keywords: V-I characteristics; S-shaped characteristics; Standard; Explicit analytical model; Maximum power point voltage (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:231:y:2024:i:c:s0960148124009674

DOI: 10.1016/j.renene.2024.120899

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