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Thermoeconomic Optimisation of Solar Hybridisation Options for Existing Combined-Cycle Power Plants
Chalmers University of Technology. (Energy Technology)
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. (Concentrated Solar Power)
Chalmers University of Technology. (Energy Technology)
2011 (English)In: Proceedings of the International SolarPACES Conference 2011, 2011Conference paper (Refereed)
Abstract [en]

A model of an integrated solar combined cycle power plant has been developed in order to examine the performance of a combined-cycle plant when retrofitted with solar collectors. 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’ hybridisation schemes and operating conditions, two conflicting objectives will be considered, namely minimum investment costs and maximum annual solar share. It was found that only small annual solar shares (~1%) can be achieved during retrofitting, but that the cost of the additional solar-generated electricity is comparably low, with equivalent levelised electricity costs of ≤10 c€/kWh.

Place, publisher, year, edition, pages
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Energy Engineering
URN: urn:nbn:se:kth:diva-72465OAI: diva2:487624
International SolarPACES Conference 2011. Granada, Spain. September 20-23, 2011
QC 20120416Available from: 2012-01-31 Created: 2012-01-31 Last updated: 2012-04-16Bibliographically approved

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