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Title: Uncertainty considerations of indoor PV module calibration based on Monte Carlo simulations
Authors: Mihaylov, Blagovest V.
Bliss, Martin
Betts, Thomas R.
Gottschalg, Ralph
Keywords: Uncertainty
Monte Carlo
Issue Date: 2013
Citation: MIHAYLOV, B.V. ... et al, 2013. Uncertainty considerations of indoor PV module calibration based on Monte Carlo simulations. EU PVSEC 2013, 28th European PV Solar Energy Conference, Paris, France, 30th September - 4th October 2013, pp.3536-3540.
Abstract: Uncertainties in the calibration of PV devices affect the power rating of modules and thus their value. The expanded measurement uncertainty in Pmax of modules at state-of-art indoor calibration facilities is between 1.6- 3.85% based on conventional Si technologies. The uncertainties of TF technologies are agreed to be higher. The contributions from different uncertainty sources are combined according to the GUM Uncertainty Framework. The Framework has the limitation of considering only the mean and standard deviation of symmetric distributions. This paper advocates the use of the Monte Carlo (MC) method for calculating the overall uncertainty of module calibration that is specific to the device-under-test and the measuring setup. Since the MC method retains all the information from the input quantities, more comprehensive probability density functions can be assigned to the main contributors. Recognised systematic effects can be accounted for by assigning asymmetric distributions to given contributions eliminating the need for correction. The use of the MC method for the total uncertainty calculation allows for a more detailed estimation of the input influences and their understanding and minimisation. In the simulated case study this led to reduction in uncertainty from ±2.5% in Isc to [+1.93%:-1.97%] for a 95% coverage interval.
Description: The definitive version is available on the the EU PVSEC Proceedings website http://www.eupvsec-proceedings.com/proceedings?paper=23295
Version: Accepted for publication
DOI: 10.4229/28thEUPVSEC2013-4AV.6.54
URI: https://dspace.lboro.ac.uk/2134/13474
Publisher Link: http://dx.doi.org/10.4229/28thEUPVSEC2013-4AV.6.54
ISBN: 3936338337
ISSN: 2196-100X
Appears in Collections:Conference Papers and Contributions (Mechanical, Electrical and Manufacturing Engineering)

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