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|Title:||Analysis and Mitigation of Measurement Uncertainties in the Traceability Chain for Calibration of Photovoltaic Devices|
|Authors:||MUELLEJANS Harald; ZAAIMAN Willem; GALLEANO Roberto|
|Citation:||MEASUREMENT SCIENCE & TECHNOLOGY vol. 20 no. 7 p. 1-12|
|Publisher:||IOP PUBLISHING LTD|
|Type:||Articles in Journals|
|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 Institute:||Institute for Energy and Transport|
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