A method for simulating large PV arrays that include reverse biased cells

M.L. Orozco-Gutierrez, J.M. Ramirez-Scarpetta, G. Spagnuolo and C.A. Ramos-Paja

Applied Energy, 2014, vol. 123, issue C, 157-167

Abstract: This paper proposes an effective algorithm for simulating a large mismatched photovoltaic array. The technique allows to reproduce the array behavior at a cell level, including both the direct and the reverse operating mode, thus making the analysis of the hot-spot phenomenon possible. The algorithm is also able to manage the electrical variables related to the bypass diodes, which are usually connected in anti-parallel with a number of series connected cells. The non-linear system of equations describing the array is solved by using a suitable algorithm, introduced herein, for the inversion of the Jacobian matrix. The proposed procedure guarantees a high accuracy at a low computational burden. Some simulation examples allow to show the features of the technique on practical cases and to confirm its outstanding performances.

Keywords: Photovoltaic cells; Mismatched condition; Reverse mode; Simulation; Hot spot phenomenon (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:123:y:2014:i:c:p:157-167

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DOI: 10.1016/j.apenergy.2014.02.052

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