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New software tool to characterize photovoltaic modules from commercial equipment
Author(s) -
Michel Piliougine,
J. Carretero,
Llanos MoraLópez,
M. SidrachdeCardona
Publication year - 2019
Publication title -
weentech proceedings in energy
Language(s) - English
Resource type - Journals
ISSN - 2059-2353
DOI - 10.32438/wpe.6218
Subject(s) - irradiance , photovoltaic system , software , graphics , solar irradiance , computer science , voltage , spectral power distribution , remote sensing , electrical engineering , environmental science , engineering , computer graphics (images) , optics , meteorology , physics , geography , programming language
A software platform has been developed in order to unify the different measurements obtained from different manufacturers. These measurements include the curve from voltage to the current of PV devices and several meteorological parameters such as global and direct irradiance, temperature level of the solar cells and spectral shape distribution of solar irradiance. The measurements are performed in an automated way by a stand-alone application that is able to communicate with a pair of multimeters and a bipolar power supply that are controlled in order to obtain the current–voltage pairs. In addition, several magnitudes, that can be configured by the user, such as irradiance, module temperature or wind speed, are incorporated to register the conditions of each measurement. Moreover, it is possible to attach to each curve the spectral distribution of the solar radiation at each moment. Independently of the source of the information, all these measurements are included in our own database. These data can be accessed through a public web site that can generate several graphics from the data.

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