Modelling of CPC-based photovoltaic concentrator

Antonio Parretta; Giuliano Martinelli; Marco Stefancich; Donato Vincenzi; Ronald Winston

doi:10.1117/12.530974

19 November 2003 Modelling of CPC-based photovoltaic concentrator

Antonio Parretta, Giuliano Martinelli, Marco Stefancich, Donato Vincenzi, Ronald Winston

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.530974
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

The optical modeling of a Compound Parabolic Concentrator (CPC), as photovoltaic solar light concentrator, shows that the light distribution on the circular receiver is far from being uniform, as requested for this type of application. The solution lies in the adding of a prismatic optical mixer, which breaks the circular symmetry of the CPC, distributing light over a square surface. This is paid by a ~30% reduction of the original CPC concentration ratio. The CPC-mixer system has been optimized for medium levels of concentration (~100). The optical efficiency of the CPC-mixer concentrator has been evaluated for different values of the walls reflectance, R, and a total loss of ~6% has been found for a 98% reflecting silver coated wall.

Citation Download Citation

Antonio Parretta, Giuliano Martinelli, Marco Stefancich, Donato Vincenzi, and Ronald Winston "Modelling of CPC-based photovoltaic concentrator", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.530974

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