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THERMOECONOMIC OPTIMISATION OF SOLAR HYBRIDISATION OPTIONS FOR EXISTING COMBINED-CYCLE POWER PLANTS

Erik Pihl (Institutionen för energi och miljö, Energiteknik) ; James Spelling ; Filip Johnsson (Institutionen för energi och miljö, Energiteknik)
IEA SolarPACES 2011 (2011)
[Konferensbidrag, refereegranskat]

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.



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Denna post skapades 2011-12-09.
CPL Pubid: 149873

 

Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik (2005-2017)

Ämnesområden

Energi
Hållbar utveckling
Systemteknik
Övrig informationsteknik
Termisk energiteknik
Övrig industriell teknik och ekonomi

Chalmers infrastruktur