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Modeling and Analysis of a Combined Photovoltaic-Thermoelectric Power Generation System

[+] Author Affiliations
Hamidreza Najafi, Keith Woodbury

The University of Alabama, Tuscaloosa, AL

Paper No. ES2012-91330, pp. 939-945; 7 pages
doi:10.1115/ES2012-91330
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

In the present paper, the possibility of using thermoelectric power generator modules (TEGs) to convert the heat generated by the photovoltaic/thermal (PVT) collector into electricity is investigated. A comprehensive heat transfer model for the combined PVT-TEG system is developed via MATLAB and simulated under different conditions. The hot side of the TEG module is considered connected to the top of the air channel which is attached to the backside of the solar panel and the cold side is cooled down by air flow through the air channel under the PV panel. The TEG modules convert the temperature gradient to electricity and generates extra power from the excess heat which results in higher total efficiency. The effect of using combined PVT-TEG on total generated power under different levels of irradiation is presented and discussed.

Copyright © 2012 by ASME

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