A Fast and Accurate Single-Diode Model for Photovoltaic Design

Hussein Sharadga, Shima Hajimirza, Elmer P.T. Cari

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The precise extraction of the I-V curve of photovoltaic (PV) cells is necessary for designing an efficient PV system. To achieve this, this article examines different models to investigate the best fit for the I - V curve of a PV solar module. Those models are based on using different sets of equations and assumptions. New PV single-diode models are then proposed which consist of the Lambert W-function, iterative loop, and approximate equations. Furthermore, a substitution method is proposed to reduce the complexity that emerges when using the Newtown-Raphson method to solve a set of nonlinear equations. Those processes allow solving the complex nonlinear PV model in a simple way, thus making the proposed model fast, straightforward, and easy solution.

Original languageEnglish
Article number9166476
Pages (from-to)3030-3043
Number of pages14
JournalIEEE Journal of Emerging and Selected Topics in Power Electronics
Volume9
Issue number3
DOIs
StatePublished - Jun 2021

Keywords

  • I - V curve
  • PV parameters estimation
  • photovoltaic (PV) cell design
  • single-diode model (SDM)

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