Photovoltaic performance of the dome-shaped Fresnel-Köhler concentrator

Zamora Herranz, Pablo and Benítez Giménez, Pablo and Li, Yang and Miñano Dominguez, Juan Carlos and Mendes Lopes, Joao and Araki, Kenji (2012). Photovoltaic performance of the dome-shaped Fresnel-Köhler concentrator. In: "Proc. SPIE, Optics & Photonics - Solar Energy + Applications, 2012", 12/08/2012 - 16/08/2012, San Diego, California, USA. pp. 1-7. https://doi.org/10.1117/12.929698.

Description

Title: Photovoltaic performance of the dome-shaped Fresnel-Köhler concentrator
Author/s:
  • Zamora Herranz, Pablo
  • Benítez Giménez, Pablo
  • Li, Yang
  • Miñano Dominguez, Juan Carlos
  • Mendes Lopes, Joao
  • Araki, Kenji
Item Type: Presentation at Congress or Conference (Article)
Event Title: Proc. SPIE, Optics & Photonics - Solar Energy + Applications, 2012
Event Dates: 12/08/2012 - 16/08/2012
Event Location: San Diego, California, USA
Title of Book: Proc. SPIE, Optics & Photonics - Solar Energy + Applications, 2012
Date: 10 October 2012
Volume: 8468 -
Subjects:
Faculty: Centro de Domótica Integral (CeDInt) (UPM)
Department: Otro
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

In order to have a cost-effective CPV system, two key issues must be ensured: high concentration factor and high tolerance. The novel concentrator we are presenting, the dome-shaped Fresnel-Köhler, can widely fulfill these two and other essential issues in a CPV module. This concentrator is based on two previous successful CPV designs: the FK concentrator with a flat Fresnel lens and the dome-shaped Fresnel lens system developed by Daido Steel, resulting on a superior concentrator. The concentrator has shown outstanding simulation results, achieving an effective concentration-acceptance product (CAP) value of 0.72, and an optical efficiency of 85% on-axis (no anti-reflective coating has been used). Moreover, Köhler integration provides good irradiance uniformity on the cell surface and low spectral aberration of this irradiance. This ensures an optimal performance of the solar cell, maximizing its efficiency. Besides, the dome-shaped FK shows optimal results for very compact designs, especially in the f/0.7-1.0 range. The dome-shaped Fresnel-Köhler concentrator, natural and enhanced evolution of the flat FK concentrator, is a cost-effective CPV optical design, mainly due to its high tolerances. Daido Steel advanced technique for demolding injected plastic pieces will allow for easy manufacture of the dome-shaped POE of DFK concentrator.

More information

Item ID: 19712
DC Identifier: https://oa.upm.es/19712/
OAI Identifier: oai:oa.upm.es:19712
DOI: 10.1117/12.929698
Official URL: http://proceedings.spiedigitallibrary.org/proceedi...
Deposited by: Memoria Investigacion
Deposited on: 26 Sep 2013 16:00
Last Modified: 04 Mar 2023 10:06
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