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Analysis of Solar-Thermal Power Plants With Thermal Energy Storage and Solar-Hybrid Operation Strategy

Giuliano, Stefano und Buck, Reiner und Eguiguren, Santiago (2011) Analysis of Solar-Thermal Power Plants With Thermal Energy Storage and Solar-Hybrid Operation Strategy. Journal of Solar Energy Engineering. ASME. DOI: 10.1115/1.4004246. ISSN 0199-6231.

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Kurzfassung

Selected solar-hybrid power plants for operation in base-load as well as midload were analyzed regarding supply security (dispatchable power due to hybridization with fossil fuel) and low CO2 emissions (due to integration of thermal energy storage). The power plants were modeled with different sizes of solar fields and different storage capacities and analyzed on an annual basis. The results were compared to each other and to a conventional fossil-fired combined cycle in terms of technical, economical, and ecological figures. The results of this study show that in comparison to a conventional fossil-fired combined cycle, the potential to reduce the CO2 emissions is high for solar-thermal power plants operated in base-load, especially with large solar fields and high storage capacities. However, for dispatchable power generation and supply security it is obvious that in any case a certain amount of additional fossil fuel is required. No analyzed solarhybrid power plant shows at the same time advantages in terms of low CO2 emissions and low levelized electricity cost (LEC). While power plants with solar-hybrid combined cycle (SHCCVR , Particle-Tower) show interesting LEC, the power plants with steam turbine (Salt-Tower, Parabolic Trough, CO2-Tower) have low CO2 emissions.

Dokumentart:Zeitschriftenbeitrag
Titel:Analysis of Solar-Thermal Power Plants With Thermal Energy Storage and Solar-Hybrid Operation Strategy
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Giuliano, Stefano DLR
Buck, ReinerDLR
Eguiguren, SantiagoSiemens AG
Datum:August 2011
Erschienen in:Journal of Solar Energy Engineering
Referierte Publikation:Ja
In Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
DOI :10.1115/1.4004246
Verlag:ASME
ISSN:0199-6231
Status:veröffentlicht
Stichwörter:solar-thermal power plant, solar-hybrid power plant, solar tower plant, parabolic trough
HGF - Forschungsbereich:Energie
HGF - Programm:Erneuerbare Energie
HGF - Programmthema:E SF - Solarforschung (alt)
DLR - Schwerpunkt:Energie
DLR - Forschungsgebiet:E SF - Solarforschung
DLR - Teilgebiet (Projekt, Vorhaben):E - Solare Hochtemperatursysteme (alt)
Standort: Stuttgart
Institute & Einrichtungen:Institut für Solarforschung
Hinterlegt von: Stefano Giuliano
Hinterlegt am:19 Dez 2011 09:59
Letzte Änderung:07 Feb 2013 20:35

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