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Optical characterisation of a PV concentrator under simulated and realistic solar conditions using an isolated cell PV module

Zacharopoulos, Aggelos, Paul, Damasen Ikwaba, Mondol, Jayanta Deb and Smyth, Mervyn (2012) Optical characterisation of a PV concentrator under simulated and realistic solar conditions using an isolated cell PV module. In: EuroSun 2012, Rijeka. Croatian Solar Energy Association, International Solar Energy Society. 8 pp. [Conference contribution]

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Abstract

The optical characterisation of a photovoltaic (PV) concentrator has been carried out under an indoor solar simulator facility and outdoor, under realistic solar conditions. The concentrator is a line-axis symmetric Compound Parabolic Concentrator (CPC) with a half acceptance angle of 30° and a geometrical concentration ratio after truncation of 1.96. Optical efficiency and solar flux distribution on the PV absorber have been determined for different angles of the incident solar radiation with the help of an isolated cell PV module. Both indoor and outdoor test results are compared to theoretically calculated values with the use of a ray trace technique. Optical efficiencies of up to 95% and 92% were measured outdoors and indoors respectively for incidence angles of solar radiation within the angular acceptance limits of the CPC. The measured optical efficiency both indoor and outdoor demonstrated a very good agreement with the ray trace results. The solar flux distributions on the PV absorber measured outdoor where found to be in very good agreement with the ray trace results for incidence angles of solar radiation up to 20°. The non-ideal light collimation of the multi-lamp solar simulator reduced the magnitude of the solar flux peaks on the PV absorber compared to those calculated by ray trace and measured outdoor.

Item Type:Conference contribution (Paper)
Faculties and Schools:Faculty of Art, Design and the Built Environment
Faculty of Art, Design and the Built Environment > School of the Built Environment
Research Institutes and Groups:Built Environment Research Institute > Centre for Sustainable Technologies (CST)
Built Environment Research Institute
ID Code:24821
Deposited By: Dr Aggelos Zacharopoulos
Deposited On:05 Feb 2013 14:42
Last Modified:05 Feb 2013 14:42

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