Solar Cells, Lambert W and the LogWright Functions Article Swipe

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Prabhat Lankireddy , Sibibalan Jeevanandam , Aditya Chaudhary , P. C. Deshmukh , K. Roberts , S. R. Valluri ·

YOU? · · 2023 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2307.08099

Algorithms that calculate the current-voltage (I-V) characteristics of a solar cell play an important role in processes that aim to improve the efficiency of a solar cell. I-V characteristics can be obtained from different models used to represent the solar cell, and the single diode model is a simple yet accurate model for common field implementations. However, the I-V characteristics are obtained by solving implicit equations, which involve repeated iterations and inherent errors associated with numerical methods used. Some methods use the Lambert W function to get an exact explicit formula, but often causes numerical overflow problems. The present work discusses an algorithm to calculate I-V characteristics using the LogWright function, a transformation of the Lambert W function, which addresses the problem of arithmetic overflow that occurs in the Lambert W implementation. An implementation of this algorithm is presented and compared against other algorithms in the literature. It is observed that in addition to addressing the numerical overflow problem, the algorithm based on the LogWright function offers speed benefits while retaining high precision.

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Lambert W function Function (biology) Transformation (genetics) Computer science Simple (philosophy) Implementation Algorithm Applied mathematics Numerical analysis Mathematics Mathematical analysis Gene Chemistry Philosophy Evolutionary biology Epistemology Biology Biochemistry Programming language

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2307.08099
PDF: https://arxiv.org/pdf/2307.08099
OA Status: green
Related Works: 10
OpenAlex ID: https://openalex.org/W4384644367

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DOI: https://doi.org/10.48550/arxiv.2307.08099

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Title: Solar Cells, Lambert W and the LogWright Functions

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Language: en

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Publication year: 2023

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Publication date: 2023-07-16

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Authors: Prabhat Lankireddy, Sibibalan Jeevanandam, Aditya Chaudhary, P. C. Deshmukh, K. Roberts, S. R. Valluri

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Landing page: https://arxiv.org/abs/2307.08099

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Concepts: Lambert W function, Function (biology), Transformation (genetics), Computer science, Simple (philosophy), Implementation, Algorithm, Applied mathematics, Numerical analysis, Mathematics, Mathematical analysis, Gene, Chemistry, Philosophy, Evolutionary biology, Epistemology, Biology, Biochemistry, Programming language

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