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A Thermoeconomic Study of 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)
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (Aeromechanics)
2011 (English)In: Proceedings of the International SolarPACES Conference 2011, Granada, 2011Conference paper, Published paper (Refereed)
Abstract [en]

A dynamic simulation model of a hybrid solar gas-turbine power plant has been developed, allowing determination of its thermodynamic and economic performance. Designs were based around two representative 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. At current fuel prices, gas-turbine solarisation was shown to result in only a small increase in levelised electricity costs at moderate solar shares. In the future, with higher fuel prices and carbon taxes, it was shown that electricity from hybrid solar gas-turbines could be cheaper than from fossil-only gas-turbines.

Place, publisher, year, edition, pages
2011.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-72453OAI: oai:DiVA.org:kth-72453DiVA: diva2:487612
Conference
International SolarPACES Conference 2011. Granada, Spain. September 20-23, 2011
Note
QC 20120416Available from: 2012-01-31 Created: 2012-01-31 Last updated: 2012-04-16Bibliographically approved

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