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Title: Actual PV module performance including spectral losses in the UK
Authors: Williams, S.R.
Betts, Thomas R.
Vorasayan, Pongpan
Gottschalg, Ralph
Infield, David
Issue Date: 2005
Publisher: © IEEE
Citation: WILLIAMS, S.R. ... et al, 2005. Actual PV module performance including spectral losses in the UK. Conference Record of the 31st IEEE Photovoltaic Specialists Conference 2005, Lake Buena Vista, USA, 3rd-7th January, pp. 1607-1610.
Abstract: STC efficiencies are not sufficient to compare photovoltaic devices of different semiconductor material or device configurations. The energy yietd will change as the variables of STC deviates from their original values when the modules are placed in various climatic conditions. The magnitude of this change for different modules is not always clear and needs to be investigated and modelled. A modeling and analysis method named site specific conditions (SSC) is demonstrated which is a measurecorrelatepredict approach. It allows an accurate estimation of the actual energy yietd for different sites based on the measurements at one single site. The method takes into account the effect of the physical operating environment and translates this to other meteorological conditions on the basis of physics related formulae, Our results show a large seasonal variation for modules for the different effects. For crystalline modules losses of up to 12% in the summer is due to the temperature effect while the multi-junction thin film losses of more than 30% in the winter is due to spectral changes and incidence angle effect for the UK.
Description: This conference paper [© IEEE] is also available at: http://dx.doi.org/10.1109/PVSC.2005.1488452. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Version: Published
DOI: 10.1109/PVSC.2005.1488452
URI: https://dspace.lboro.ac.uk/2134/8206
Publisher Link: http://dx.doi.org/10.1109/PVSC.2005.1488452
ISBN: 0780387074
ISSN: 0160-8371
Appears in Collections:Conference Papers and Contributions (Electronic, Electrical and Systems Engineering)
Conference Papers and Contributions (CREST)

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