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Thermal and Electrical Performance of a Flat Plate Photovoltaic/Thermal Collector

[+] Author Affiliations
Mohamad Modrek, Ali Al-Alili

The Petroleum Institute, Abu Dhabi, UAE

Paper No. ES2017-3462, pp. V001T12A003; 7 pages
doi:10.1115/ES2017-3462
From:
  • ASME 2017 11th International Conference on Energy Sustainability collocated with the ASME 2017 Power Conference Joint With ICOPE-17, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum
  • ASME 2017 11th International Conference on Energy Sustainability
  • Charlotte, North Carolina, USA, June 26–30, 2017
  • Conference Sponsors: Advanced Energy Systems Division, Solar Energy Division
  • ISBN: 978-0-7918-5759-5
  • Copyright © 2017 by ASME

abstract

Excess temperatures in photovoltaic panels may cause degradation in the panels’ electrical performance in short term. Moreover, photovoltaic cells may be damaged in the long term due to high operating temperatures. Therefore, photovoltaic thermal collectors (PVT)s have been proposed in order to solve these issues. PVT collectors allow the cooling of photovoltaic panels by heat extraction using a working fluid such as water or air. PVT collectors provide higher electrical output than standalone Photovoltaic (PV) panels while occupying a smaller area compared to a single solar thermal and a PV panel for the same capacity. In this study, the performance of a liquid cooled flat PVT collector under the climatic conditions of the United Arab Emirates is going to be investigated. The transient system simulation software (TRNSYS) is used to simulate the PVT system. The PVT system includes the PVT collectors, thermal storage tank, electrical storage, DC/AC inverter, pumps, and controllers. The effect of various design variables on the PVT electrical and thermal output is going to be studied. The design variables are the collector azimuth angle, slope of the collector, volume of the storage tank, and water mass flow rate through the PVT collector. The electrical and thermal outputs of the sized PVT system will be compared to that of a standalone PV panel electrical output and a standalone flat plate collector thermal output. Based on the obtained results, conclusions on the feasibility of using PVT collectors, under the weather conditions of the United Arab Emirates, will be deduced.

Copyright © 2017 by ASME
Topics: Flat plates

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