A technique for mismatched PV array simulation

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

Renewable Energy, 2013, vol. 55, issue C, 417-427

Abstract: In this paper a computationally efficient approach to the modeling of a photovoltaic array is presented. It is especially suited for simulating mismatched operating conditions, in which the different modules of the array work at different irradiation levels and temperatures. The model used allows to keep into account parametric tolerances and drifts among the modules. The proposed technique is based on the use of the Lambert W-function, which allows to obtain an explicit relationship between the voltage and the current of any photovoltaic module. The non linear system of equations describing the photovoltaic array is easily solved thanks to the explicit symbolic calculation of the inverse of the Jacobian matrix. The performances of the proposed numerical approach are discussed especially in cases where a deep mismatch affects the photovoltaic array.

Keywords: Photovoltaic systems; Mismatched condition; Numerical simulation; Symbolic calculation (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:55:y:2013:i:c:p:417-427

DOI: 10.1016/j.renene.2013.01.009

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