Title: Comparison of primary and secondary solar cell calibrations
Authors: FEY THOMASKROEGER INGOWINTER STEFANBETTS THOMAS R.ZAAIMAN WILLEMPAVANELLO DIEGOMUELLEJANS HARALD
Publisher: WIP GmbH & Co-KG
Publication Year: 2017
JRC N°: JRC106563
ISBN: 3-936338-47-7
ISSN: 2196-100X
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC106563
DOI: 10.4229/EUPVSEC20172017-5BV.4.5
Type: Articles in periodicals and books
Abstract: Results from calibrations to determine the power conversion efficiency of photovoltaic (PV) devices can differ if they are obtained using different calibration methods or different facilities. However, every calibration value has a measurement uncertainty. The consistency of the calibration results around the world is a major task of metrology institutes and calibration laboratories and is ensured by regular comparisons. However, one important parameter of performance measurements of PV devices is the short-circuit current under standard test conditions ISTC. Therefore, the ISTC of an ensemble of reference solar cells were calibrated at the Joint Research Centre (JRC), at the Physikalisch-Technische Bundesanstalt (PTB) and at Centre for Renewable Energy Systems Technology (CREST) of Loughborough University (LU, United Kingdom). The determined ISTC of CREST and PTB are consistent within the uncertainties. Additionally, the spectral responsivities of the reference solar cells were determined at the facilities of JRC and PTB and the results discussed.
JRC Directorate:Energy, Transport and Climate

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