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A Thermoeconomic Study of Low-Temperature Intercooled-Recuperated Cycles for Pure-Solar Gas-Turbine Applications
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 model of a megawatt-scale low-temperature intercooled-recuperated solar gas-turbine power plant has been developed in order to allow determination of the thermodynamic and economic performance. The model was then used for multi-objective thermo-economic optimisation of both the power plant performance and cost, using a population-based algorithm. In order to examine the trade-offs that must be made and identify ‘optimal’ plant sizes and operating conditions, two conflicting objectives were considered, namely minimum investment costs and maximum annual electricity production. Levelised electricity costs from a 50 – 60 MWe power plant are predicted to be below 150 USD/MWhe, competitive with other solar thermal power technologies, and optimal plant sizes and configurations have been identified.

Place, publisher, year, edition, pages
2011.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-72460OAI: oai:DiVA.org:kth-72460DiVA: diva2:487616
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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