Title: Analysis and Mitigation of Measurement Uncertainties in the Traceability Chain for Calibration of Photovoltaic Devices
Citation: MEASUREMENT SCIENCE & TECHNOLOGY vol. 20 no. 7 p. 075101
Publication Year: 2009
JRC N°: JRC49305
ISSN: 0957-0233
URI: https://iopscience.iop.org/article/10.1088/0957-0233/20/7/075101/meta
DOI: 10.1088/0957-0233/20/7/075101
Type: Articles in periodicals and books
Abstract: This paper describes the traceability chain for photovoltaic devices and the measurement methods employed to perform the various transfer steps. The measurement uncertainties are analysed in detail based on the accreditation of the European Solar Test Installation (ESTI) for calibration of photovoltaic devices. The various contributions to the overall uncertainty are critically analysed for various traceability chain options. A major contribution is the uncertainty in the calibration of the primary reference device. The overall measurement uncertainty is reduced using ESTI reference cell set compared to the traceability from the world photovoltaic scale (WPVS). For the maximum power of photovoltaic modules, the expanded combined uncertainty is reduced from ±2.6% to below ±2%. Recommendations are made on the scope for further reduction of uncertainty and for the best calibration strategy for various PV technologies.
JRC Directorate:Energy, Transport and Climate

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