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Title: Optical modelling for concentrating photovoltaic systems: insolation transfer variations with solar source descriptions
Authors: Cole, Ian R.
Gottschalg, Ralph
Issue Date: 2015
Publisher: Institution of Engineering and Technology
Citation: COLE, I.R. and GOTTSCHALG, R., 2015. Optical modelling for concentrating photovoltaic systems: insolation transfer variations with solar source descriptions. IET Renewable Power Generation, 9(5), pp.412-419.
Abstract: Point source, pillbox and circumsolar ratio-dependent extended light source Sun models are used as solar source inputs into an analytical optical ray trace model for the calculation of plane restricted illumination profiles generated by three example lenses. The example lenses are: a low iron soda-lime glass plano-convex lens, a poly (methyl) methacrylate (PMMA) 3-facet Fresnel lens and a PMMA 20-facet Fresnel lens. Significant differences in illumination profiles are found with solar source description variation. Most notably, it is found that chromatic aberrations and spectrally variant effects specific to the multi-junction solar cell architecture are only identified using the extended light source Sun model. The spectral dependency of material optical properties are analysed in the context of the multi-junction cell architecture by means of spectrally weighted averages corresponding to the active range of the sub-cells.
Description: This is an Open Access Article published by IET and distributed under the terms of the Creative Commons Attribution 3.0 License (http://www.creativecommons.org/licenses/by/3.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed.
Sponsor: This work has been supported by a joint UK-India initiative in solar energy through a joint project ‘Stability and Performance of Photovoltaics (STAPP)’ funded by Research Councils UK (RCUK) Energy Programme in UK [grant number EP/H040331/1] and by Department of Science and Technology (DST) in India.
Version: Published
DOI: 10.1049/iet-rpg.2014.0369
URI: https://dspace.lboro.ac.uk/2134/17738
Publisher Link: http://dx.doi.org/10.1049/iet-rpg.2014.0369
ISSN: 1752-1424
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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