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Solar Gas Turbine Systems: Design, Cost and Perspectives

Schwarzbözl, Peter and Buck, Reiner and Sugarmen, Chemi and Ring, Arik and Marcos Crespo, Ma. Jesus and Altwegg, Peter and Enrile, Juan (2006) Solar Gas Turbine Systems: Design, Cost and Perspectives. Solar Energy, 80 (10), pp. 1231-1240. Elsevier.

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Official URL: http://www.sciencedirect.com/science/journal/0038092X

Abstract

The combination of high solar shares with high conversion efficiencies is one of the major advantages of solar gas turbine systems compared to other solar-fossil hybrid power plants. Pressurized air receivers are used in solar tower plants to heat the compressed air in the gas turbine to temperatures up to 1000 °C. Therefore solar shares in the design case of 40% up to 90% can be realized and annual solar shares up to 30% can be achieved in base load. Using modern gas turbine systems in recuperation or combined cycle mode leads to conversion efficiencies of the solar heat from around 40% up to more than 50%. This is an important step towards cost reduction of solar thermal power. Together with the advantages of hybrid power plants—variable solar share, fully dispatchable power, 24 h operation without storage—solar gas turbine systems are expected to have a high potential for market introduction in the mid term view. In this paper the design and performance assessment of several prototype plants in the power levels of 1 MW, 5 MW and 15 MW are presented. Advanced software tools are used for design optimization and performance prediction of the solar tower gas turbine power plants. Detailed cost assumptions for the solarized gas turbine, the solar tower plant and further equipment as well as for operation and maintenance are presented. Intensive performance and economic analysis of the prototype plants for different locations and capacity factors are shown. The cost reduction potential through automation and remote operation is revealed.

Document Type:Article
Title:Solar Gas Turbine Systems: Design, Cost and Perspectives
Authors:
AuthorsInstitution or Email of Authors
Schwarzbözl, PeterUNSPECIFIED
Buck, ReinerUNSPECIFIED
Sugarmen, ChemiORMAT Industries
Ring, ArikORMAT Industries
Marcos Crespo, Ma. JesusCIEMAT
Altwegg, PeterTURBOMACH
Enrile, JuanSolucar
Date:2006
Journal or Publication Title:Solar Energy
Volume:80
Page Range:pp. 1231-1240
Editors:
EditorsEmail
International Solar Energy Society, UNSPECIFIED
Publisher:Elsevier
Status:Published
Keywords:Solar thermal power, Solar-fossil hybrid power generation, Solar gas turbine, Solar tower plant, Pressurized air receiver, Solar incremental cost
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 - Solare Hochtemperatursysteme (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Technical Thermodynamics > Solar Research
Deposited By: Peter Schwarzbözl
Deposited On:04 Jan 2007
Last Modified:12 Dec 2013 20:22

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