Eur. Phys. J. Appl. Phys.
Volume 54, Number 1, April 2011
|Number of page(s)||6|
|Section||Semiconductors and Devices|
|Published online||13 April 2011|
Extraction of equivalent circuit parameters of solar cell: influence of temperature
Laboratory of Condensed Matter, Faculty of Sciences and Techniques,
University of Hassan II Mohammedia, Casablanca, Avenue Hassan II, BP 146, 28800 Mohammedia, Morocco
Corresponding author: firstname.lastname@example.org
Revised: 1 November 2010
Accepted: 18 January 2011
Published online: 13 April 2011
A new method to evaluate the five parameters of illuminated solar cells is described. The method is based on nonlinear least squares approach. On calculating the lsqcurvefit-function with constraints, between the experimental current-voltage I(V) characteristic and a theoretical arbitrary characteristic based on Lambert W-function. The used model is implemented as a MATLAB® script which yields the I(V) characteristics of the LILT under test. The model has been validated against by applying it to experimental I(V) characteristics. Some parameters of the model have been measured directly whereas others have been evaluated by means of direct computation on the data sheet or by means of best-fit on the measured data. The results have been compared and an analysis of the errors is presented.
© EDP Sciences, 2011
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