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Energy Express

Energy Express

  • Editor: Bernard Kippelen
  • Vol. 19, Iss. S4 — Jul. 4, 2011
  • pp: A649–A656

Performance of see-through prism CPV module for window integrated photovoltaics

Noboru Yamada, Kosuke Kanno, Kentaro Hayashi, and Toru Tokimitsu  »View Author Affiliations

Optics Express, Vol. 19, Issue S4, pp. A649-A656 (2011)

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We have examined the performance of a see-through photovoltaics module that uses a low-concentration prism concentrator by undertaking ray-tracing analysis and an on-site experiment. The incident angle dependency of the prism concentrator makes it possible to concentrate direct solar radiation onto solar cells and transmit diffuse solar radiation. Fewer solar cells can then be used without sacrificing the conversion efficiency or lighting performance. The module generates approximately 1.15 more electricity than a conventional module while operating with 63% less solar cell area. We also introduce a design method for the concentrator geometry that adjusts the incident angle dependency for different latitude and tilt angles.

© 2011 OSA

OCIS Codes
(220.1770) Optical design and fabrication : Concentrators
(350.6050) Other areas of optics : Solar energy
(220.4298) Optical design and fabrication : Nonimaging optics

ToC Category:
Solar Concentrators

Original Manuscript: February 17, 2011
Manuscript Accepted: May 9, 2011
Published: May 13, 2011

Noboru Yamada, Kosuke Kanno, Kentaro Hayashi, and Toru Tokimitsu, "Performance of see-through prism CPV module for window integrated photovoltaics," Opt. Express 19, A649-A656 (2011)

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