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Evaluation of a Prototype Integrated Solar Combined-Cycle Power Plant Using a Linear Fresnel Reflector

[+] Author Affiliations
Fernando Altmann, A. S. (Ed) Cheng

San Francisco State University, San Francisco, CA

Paper No. ES2017-3634, pp. V001T05A013; 7 pages
  • 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


A computational heat-transfer and thermodynamic-cycle model was developed to evaluate the performance of an integrated solar and combined-cycle power plant using a prototype linear Fresnel reflector. The solar receiver consists of a secondary reflector and single-tube absorber, with a selective surface and glass cover to optimize collector efficiency. The solar integration occurs in the high-pressure steam drum of the heat recovery steam generator, to boost power output when solar energy is available without the need for an auxiliary fossil-fueled boiler or thermal storage. The solar resource and weather data used in the model were for the municipality of Bom Jesus da Lapa, Brazil.

Results indicated that, over a year, 8.25 GWh of solar thermal energy was provided to the plant, with an incremental power plant output of 2.76 GWh. While these numbers were small relative to baseline power plant operation using only fossil-fuel sources, the utilization of additional solar thermal modules would produce a more significant impact.

Copyright © 2017 by ASME



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