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The Value of Storage in Hybrid Solar Gas-Turbine Power Plants
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (Concentrated Solar Power)
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (Concentrated Solar Power)
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (Concentrated Solar Power)
2012 (English)In: Proceedings of the International SolarPACES Conference 2012, Marrakesh, 2012Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

A thermoeconomic simulation model of a hybrid solar gas-turbine power plant with an integrated storage unit has been developed, allowing determination of the thermodynamic and economic performance. Designs were based around two representative industrial gas-turbines: a high efficiency machine and a low temperature machine. In order to examine the trade-offs that must be made, multi-objective thermo-economic analysis was performed, with two conflicting objectives: minimum investment costs and minimum specific CO2 emissions. It was shown that with the integration of storage, annual solar shares above 85% can be achieved by hybrid solar gas-turbine systems. The levelised electricity cost for the gas-turbine system as this level of solar integration was similar to that of parabolic trough plants, allowing them to compete directly in the solar power market. At the same time, the water consumption of the gas-turbine system is significantly lower than contemporary steam-cycle based solar thermal power plants.

Place, publisher, year, edition, pages
2012.
Keyword [en]
gas-turbine, hybrid solar, solar thermal power, thermal energy storage, thermo-economic optimisation
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-103912OAI: oai:DiVA.org:kth-103912DiVA: diva2:562382
Conference
International SolarPACES Conference 2012. Marrakesh, Morocco. September 11-14, 2012
Note

QC 20130531

Available from: 2012-10-24 Created: 2012-10-24 Last updated: 2013-05-31Bibliographically approved

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CiteExportLink to record
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Citation style
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  • asciidoc
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