This paper published on September 2009 on Simulation and characterization tool useful
to evaluate electrical performances of photovoltaic (PV) panels. A simple
one-diode model is used in order to estimate the electrical parameters of a PV
panel and predict how the I-V characteristic changes with environmental
parameters such as temperature and irradiance .This work is part of a wider
project whose final purpose is to model a whole PV plant in order to control
its performances in various environmental conditions and maximize the energy
production. The continuous monitoring of a plant and the comparison between
real and expected data will also greatly reduce the risk of out of order. The
used model is implemented as a MATLAB® script
which yields the I-V and P-V characteristics of the PV panel under
test. The model has been validated against an experimentally characterized PV
panel. Some parameters of the model have been measured directly (irradiance and
temperature) whereas others have been evaluated in two distinct ways: by means
of direct computation on the data sheet or by means of best-fit on the measured
data, and the results have been compared.This paper can be download from the site.
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