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Proceedings Paper

New Fresnel Köhler optical design: 9-fold photovoltaic concentrator
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Paper Abstract

Non-uniform irradiance patterns created by Concentrated Photovoltaics (CPV) concentrators over Multi-Junction Cells (MJC) can originate significant power losses, especially when there are different spectral irradiance distributions over the different MJC junctions. This fact has an increased importance considering the recent advances in 4 and 5 junction cells. This work presents a new CPV optical design, the 9-fold Fresnel Köhler concentrator, prepared to overcome these effects at high concentrations while maintaining a large acceptance angle, paving the way for a future generation of high efficiency CPV systems of 4 and 5 junction cells.

Paper Details

Date Published: 18 September 2013
PDF: 6 pages
Proc. SPIE 8834, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X, 88340A (18 September 2013); doi: 10.1117/12.2024050
Show Author Affiliations
João Mendes-Lopes, Univ. Politécnica de Madrid (Spain)
Pablo Benítez, Univ. Politécnica de Madrid (Spain)
Light Prescriptions Innovators, LLC (United States)
Pablo Zamora, Univ. Politécnica de Madrid (Spain)
Juan Carlos Miñano, Univ. Politécnica de Madrid (Spain)
Light Prescriptions Innovators, LLC (United States)


Published in SPIE Proceedings Vol. 8834:
Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X
Roland Winston; Jeffrey Gordon, Editor(s)

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