A non-iterative technique for determination of solar cell parameters from the light generated I-V characteristic

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Abstract
Accurate information about electrical parameters of a photovoltaic (PV) cell is many times essential for evaluating the performance of the cell when delivering power at its full capacity. This paper presents a technique for determining the cell parameters from the light generated current–voltage (I-V) characteristic with a valid assumption for any kind of cells. The technique neither involves any initial approximations nor iteration processes. The technique is employed for various PV cell technologies such as silicon, copper indium gallium selenide, organic, dye sensitized solar cell, and organic tandem cells, previously available in the literatures. Obtained I-V characteristics for the cells using the present technique are in well agreement with those of reported in the literature. The technique is further extended for the analysis of a silicon cell and a silicon module tested in the laboratory and the results obtained are very close to those of the experimental data.

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