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Design and Development of a Hybrid Photovoltaic-Thermal/PVT System

[+] Author Affiliations
Mehrzad Tabatabaian, Wolf Tivy, Chris Bibby

British Columbia Institute of Technology (BCIT), Burnaby, BC, Canada

Paper No. ES2012-91258, pp. 919-930; 12 pages
doi:10.1115/ES2012-91258
From:
  • ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology
  • ASME 2012 6th International Conference on Energy Sustainability, Parts A and B
  • San Diego, California, USA, July 23–26, 2012
  • Conference Sponsors: Advanced Energy Systems Division, Solar Energy Division
  • ISBN: 978-0-7918-4481-6
  • Copyright © 2012 by ASME

abstract

A Photovoltaic/PV cell converts solar radiation to electrical power. In order to have practical power output from these cells they are framed into modules. A typical module provides about 160–200 Wp. The electrical efficiency of the module decreases from its typical value of 19% by about 0.4–0.5% per degree K/°C. In order to increase the electrical efficiency of a PV system it is possible to cool the modules down by augmenting compact heat exchangers with a working fluid (e.g., air). The extracted heat can have several applications and through cooling the PV modules we can increase the efficiency of the system by about 30–40%, combined (i.e., heat and power). Two design concepts are presented and supported by CFD models. Prototypes of these systems are fabricated and installed and experimental investigations of their performances are currently in progress.

Copyright © 2012 by ASME
Topics: Design

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