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Energies, Vol. 10, Pages 1869: Photovoltaic Device Performance Evaluation Using an Open-Hardware System and Standard Calibrated Laboratory Instruments

Energies, Vol. 10, Pages 1869: Photovoltaic Device Performance Evaluation Using an Open-Hardware System and Standard Calibrated Laboratory Instruments

Energies doi: 10.3390/en10111869

Authors: Jesús Montes-Romero Michel Piliougine José Muñoz Eduardo Fernández Juan de la Casa

This article describes a complete characterization system for photovoltaic devices designed to acquire the current-voltage curve and to process the obtained data. The proposed system can be replicated for educational or research purposes without having wide knowledge about electronic engineering. Using standard calibrated instrumentation, commonly available in any laboratory, the accuracy of measurements is ensured. A capacitive load is used to bias the device due to its versatility and simplicity. The system includes a common part and an interchangeable part that must be designed depending on the electrical characteristics of each PV device. Control software, developed in LabVIEW, controls the equipment, performs automatic campaigns of measurements, and performs additional calculations in real time. These include different procedures to extrapolate the measurements to standard test conditions and methods to obtain the intrinsic parameters of the single diode model. A deep analysis of the uncertainty of measurement is also provided. Finally, the proposed system is validated by comparing the results obtained from some commercial photovoltaic modules to the measurements given by an independently accredited laboratory.

Authors:   Montes-Romero, Jesús ; Piliougine, Michel ; Muñoz, José Vicente; Fernández, Eduardo F.; de la Casa, Juan
Journal:   Energies
Volume:   10
edition:   11
Year:   2017
Pages:   1869
DOI:   10.3390/en10111869
Publication date:   15-Nov-2017
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