A Comparative Thermoeconomic Study of Hybrid Solar Gas-Turbine Power Plants
2014 (English)In: Journal of engineering for gas turbines and power, ISSN 0742-4795, Vol. 136, no 1, 011801- p.Article in journal (Refereed) Published
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.
IdentifiersURN: urn:nbn:se:kth:diva-137451DOI: 10.1115/1.4024964ISI: 000326650000014ScopusID: 2-s2.0-84888169168OAI: oai:DiVA.org:kth-137451DiVA: diva2:679894
FunderSwedish Energy Agency
QC 201312172013-12-172013-12-132013-12-17Bibliographically approved