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Heat Transfer Fluids for Future Parabolic Trough Solar Thermal Power Plants

Eck, Markus and Hennecke, Klaus (2007) Heat Transfer Fluids for Future Parabolic Trough Solar Thermal Power Plants. In: ISES Solar World Congress 2007, pp. 1806-1812. Springer. ISES Solar World Congress, 2007-09-18 - 2007-09-21, Beijing (China). ISBN 978-7-302-16146-2.

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Abstract

Parabolic trough solar thermal power plants are at present the cheapest option for utility scale solar electricity production. At present several projects are under development in Spain, in the USA, Egypt, Morocco, Mexico, Algeria and Iran. The levelised cost of electricity (LCE) for solar thermal power plants is in the range of 13–21 €Cts/kWh. Accordingly, subsidies are necessary to bridge the gap between current LCE’s and market price. To achieve a sustainable competitiveness significant cost reduction is required. One possibility for cost reduction is increasing the efficiency. So far synthetic oil is used as a heat transfer fluid (HTF) in the absorber tubes of the collector field. This HTF limits the upper temperature of the power cycle to 370°C and thus the achievable efficiency to approx. 38%. Alternative HTF’s are under investigation. This paper compares the different HTF’s with respect to the operation temperature, overall operation aspects, storage concepts safety aspects and of course costs.

Document Type:Conference or Workshop Item (Speech)
Title:Heat Transfer Fluids for Future Parabolic Trough Solar Thermal Power Plants
Authors:
AuthorsInstitution or Email of Authors
Eck, MarkusUNSPECIFIED
Hennecke, KlausUNSPECIFIED
Date:September 2007
Journal or Publication Title:ISES Solar World Congress 2007
Page Range:pp. 1806-1812
Editors:
EditorsEmail
Goswami, D. YogiUNSPECIFIED
Zhao, YuwenUNSPECIFIED
Publisher:Springer
ISBN:978-7-302-16146-2
Status:Published
Keywords:Solar Thermal Power Plants, Parabolic Troughs, Heat Transfer Fluids
Event Title:ISES Solar World Congress
Event Location:Beijing (China)
Event Type:international Conference
Event Dates:2007-09-18 - 2007-09-21
Organizer:International Solar Energy Society (ISES)
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:E SF - Solar research (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Applikationsentwicklung (old)
Location: Stuttgart
Institutes and Institutions:Institute of Technical Thermodynamics > Solar Research
Deposited By: Markus Eck
Deposited On:01 Oct 2007
Last Modified:12 Dec 2013 20:27

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