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A Comparative Thermoeconomic Study of Hybrid Solar Gas-Turbine Power Plants
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
2014 (English)In: Journal of engineering for gas turbines and power, ISSN 0742-4795, E-ISSN 1528-8919, Vol. 136, no 1, 011801- p.Article in journal (Refereed) Published
Abstract [en]

The construction of the first generation of commercial hybrid solar gas-turbine power plants will present the designer with a large number of choices. To assist decision making, a thermoeconomic study has been performed for three different power plant configurations, namely, simple-and combined-cycles along with a simple-cycle with the addition of thermal energy storage. Multi-objective optimization has been used to identify Pareto-optimal designs and highlight the trade-offs between minimizing investment costs and minimizing specific CO2 emissions. The solar hybrid combined-cycle power plant provides a 60% reduction in electricity cost compared to parabolic trough power plants at annual solar shares up to 20%. The storage integrated designs can achieve much higher solar shares and provide a 7-13% reduction in electricity costs at annual solar shares up to 90%. At the same time, the water consumption of the solar gas-turbine systems is significantly lower than conventional steam-cycle based solar power plants.

Place, publisher, year, edition, pages
2014. Vol. 136, no 1, 011801- p.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-137451DOI: 10.1115/1.4024964ISI: 000326650000014Scopus ID: 2-s2.0-84888169168OAI: oai:DiVA.org:kth-137451DiVA: diva2:679894
Funder
Swedish Energy Agency
Note

QC 20131217

Available from: 2013-12-17 Created: 2013-12-13 Last updated: 2017-12-06Bibliographically approved

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CiteExportLink to record
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  • apa
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  • de-DE
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  • Other locale
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Output format
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