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Energy Efficiency of a Quasi CPC Concentrating Solar PV/T System

[+] Author Affiliations
Wenzhi Cui, Long Zhao, Wei Wu

Chongqing University, Chongqing, China

Ke Wang

China United Engineering Corporation, Hangzhou, China

Tien-Chien Jen

University of Wisconsin, Milwaukee, Milwaukee, WI

Paper No. IMECE2010-38341, pp. 1071-1076; 6 pages
doi:10.1115/IMECE2010-38341
From:
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4429-8
  • Copyright © 2010 by ASME

abstract

Compound parabolic concentrator (CPC) is a typical non-tracking ideal concentrator sharing the advantages of simple structure and no need of complicated and expensive continue sun-tracking systems, making the system economically attractive in the practical applications. In order to avoid the use of expensive curved mirror, usually used in standard CPC, a quasi CPC consisting of multiple flat mirror segments has been designed. This CPC concentrator is combined with a photovoltaic and thermal (PV/T) collector to be a CPC-PV/T system. The characteristics of solar concentrating and the performance of photovoltaic and photo-thermal energy conversion of the quasi CPC-PV/T have been experimentally studied. The test results show that solar concentrating decreases the electric efficiency of PV module. The total electric output, however, increases. The integrated energy efficiency of this system is above 70%.

Copyright © 2010 by ASME

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