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Thermoeconomic optimization of a combined-cycle solar tower power plant
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (Concentrated Solar Power)
Ecole Polytechnique Fédéral de Lausanne. (Industrial Energy Systems)
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (Polygeneration Systems)ORCID iD: 0000-0002-3661-7016
Ecole Polytechnique Fédéral de Lausanne. (Industrial Energy Systems)
2012 (English)In: Energy, ISSN 0360-5442, E-ISSN 1873-6785, Vol. 41, no 1, 113-120 p.Article in journal (Refereed) Published
Abstract [en]

A dynamic model of a pure-solar combined-cycle power plant has been developed in order to allow determination of the thermodynamic and economic performance of the plant for a variety of operating conditions and superstructure layouts. The model was then used for multi-objective thermoeconomic optimization of both the power plant performance and cost, using a population-based evolutionary algorithm. In order to examine the trade-offs that must be made, two conflicting objectives will be considered, namely minimal investment costs and minimal levelized electricity costs. It was shown that efficiencies in the region of 18-24% can be achieved, and this for levelized electricity costs in the region of 12-24 UScts/kWh(e), depending on the magnitude of the initial investment, making the system competitive with current solar thermal technology.

Place, publisher, year, edition, pages
2012. Vol. 41, no 1, 113-120 p.
Keyword [en]
Combined-cycle, Multi-objective optimization, Solar thermal power, Thermo-economics
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-72448DOI: 10.1016/j.energy.2011.03.073ISI: 000304076800014Scopus ID: 2-s2.0-84859974271OAI: oai:DiVA.org:kth-72448DiVA: diva2:487604
Note
QC 20120613Available from: 2012-01-31 Created: 2012-01-31 Last updated: 2017-12-08Bibliographically approved

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Martin, Andrew

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