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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Modelling the realistic short circuit current and MPP power of A-SI single and multijunction devices

Beyer, H.G and Gottschalg, R. and Betts, T.R. and Infield, D.G. (2003) Modelling the realistic short circuit current and MPP power of A-SI single and multijunction devices. In: 3rd World Conference on Photovoltaic Energy Conversion, 2003-05-11 - 2003-05-18.

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Abstract

An I-V based model for amorphous silicon materials is presented that allows for the modelling of spectral effects on the performance of a-Si devices. These have been shown to be significant in colder and temperate climates. A simple model for the influence of varying spectra on the short circuit current is presented. It allows for accurate modelling of other device parameters such as MPP-power. The necessary spectral input for this model is generated by a model based on artificial neural network using the clear sky index and position of the Sun as input. The model is developed using long-term measurements taken at Loughborough and shows a good agreement for single and multi-junction devices.