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Economic analysis and life cycle assessment of concrete thermal energy storage for parabolic trough power plants

Laing, Doerte und Steinmann, Wolf-Dieter und Viebahn, Peter und Gräter, Frieder und Bahl , Carsten (2010) Economic analysis and life cycle assessment of concrete thermal energy storage for parabolic trough power plants. Journal of Solar Energy Engineering, 132 (4), Seiten 10131-10136. ASME. DOI: 10.1115/1.4001404. ISSN 0199-6231.

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Kurzfassung

For parabolic trough power plants using synthetic oil as the heat transfer medium, the application of solid media sensible heat storage is an attractive option in terms of investment and maintenance costs. One important aspect in storage development is the storage integration into the power plant. A modular operation concept for thermal storage systems was previously suggested by DLR, showing an increase in storage capacity of more than 100 %. However, in these investigations, the additional costs needed to implement this storage concept into the power plant, like for extra piping, valves, pumps and control had not been considered. These aspects are discussed in this paper, showing a decrease of levelized energy costs with modular storage integration of 2 to 3 %. In a Life Cycle Assessment (LCA) a comparison of an AndaSol-I type solar thermal power plant [1] with the original two-tank molten salt storage and with a “hypothetical” concrete storage shows an advantage of the concrete storage technology concerning environmental impacts. The environmental impacts of the “hypothetical” concrete based AndaSol-I decrease by 7 %, considering 1 kWh of solar electricity delivered to the grid. Regarding only the production of the power plant, the emissions decrease by 9.5 %.

Dokumentart:Zeitschriftenbeitrag
Titel:Economic analysis and life cycle assessment of concrete thermal energy storage for parabolic trough power plants
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Laing, Doertedoerte.laing@dlr.de
Steinmann, Wolf-Dieterwolf.steinmann@dlr.de
Viebahn, Peterpeter.viebahn@wupperinst.org
Gräter, Friederfrieder.graeter@flagsol.de
Bahl , Carstencarsten.bahl@zueblin.de
Datum:November 2010
Erschienen in:Journal of Solar Energy Engineering
Referierte Publikation:Ja
In Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:132
DOI :10.1115/1.4001404
Seitenbereich:Seiten 10131-10136
Verlag:ASME
ISSN:0199-6231
Status:veröffentlicht
Stichwörter:Thermal Energy Storage, Solid Media, Concrete, Modular Operation Concept, Life Cycle Assessment, Parabolic Trough Power Plant
HGF - Forschungsbereich:Energie
HGF - Programm:Rationelle Energieumwandlung (alt)
HGF - Programmthema:E EV - Energieverfahrenstechnik (alt)
DLR - Schwerpunkt:Energie
DLR - Forschungsgebiet:E EV - Energieverfahrenstechnik
DLR - Teilgebiet (Projekt, Vorhaben):E - Thermochemische Prozesse (alt)
Standort: Stuttgart
Institute & Einrichtungen:Institut für Technische Thermodynamik > Thermische Prozesstechnik
Hinterlegt von: Dörte Laing
Hinterlegt am:20 Dez 2010 13:52
Letzte Änderung:26 Mär 2013 13:24

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