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Mitigating the non-uniform illumination in low concentrating CPCs using structured reflectors
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
2009 (English)In: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 93, no 11, 2020-2024 p.Article in journal (Refereed) Published
Abstract [en]

One problem in concentrating photovoltaic systems without active cooling is the formation of hot spots on the solar module cells. These hotspots are a result of uneven concentration of radiation within the solar module cells. The overall effect of concentrated heating is the reduction in the fill-factor of the solar module cell and the subsequent decrease in the overall efficiency of the system. In this paper, we investigate one alternative of improving the performance of a low concentrating photovoltaic system using semi-diffuse rolled reflective elements. Our results indicate that rolling marks on the reflector aligned parallel to the plane of the solar module cell improve the performance of the photovoltaic system. (C) 2009 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2009. Vol. 93, no 11, 2020-2024 p.
Keyword [en]
Fill-factor, Low concentration PV-systems, Reflector materials, Light scattering
National Category
Physical Sciences Engineering and Technology
URN: urn:nbn:se:uu:diva-137934DOI: 10.1016/j.solmat.2009.08.005ISI: 000273347700018OAI: oai:DiVA.org:uu-137934DiVA: diva2:379001
Available from: 2010-12-16 Created: 2010-12-16 Last updated: 2016-04-14Bibliographically approved

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Roos, Arne
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