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Identification of Thermodynamic Combined Cycle Design Parameters Using Multi Objective and Multi Variable Optimisation Methodologies to Achieve 65% Combined Cycle Power Plant Net Efficient

[+] Author Affiliations
Sevket Baykal, Peter Rufli, Raffaele Bolliger, Francesco Fusaro, Hubert Kujawski

GE Power, Baden, Switzerland

Paper No. GT2016-57785, pp. V003T08A013; 10 pages
  • ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems
  • Seoul, South Korea, June 13–17, 2016
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4974-3
  • Copyright © 2016 by ASME


Clean and cost-effective power generation is the key factor to cope with imposed challenges of competing technologies in the energy market. Improvements in thermal power generation efficiency will significantly contribute to the goals of reducing emissions and cost of electricity, thereby increasing their competitiveness. However, targeted high efficiency levels (e.g., 65% combined cycle power plant net efficiency) cannot be achieved with today’s technology. One of the main difficulties is the appropriate distribution of technology challenges among various combined cycle equipment. Optimization of the early phases of innovation in the product development for future technologies is key for their sustainability and increased likelihood of economic success. For this purpose a combined cycle power plant initial design methodology was developed with the help of the Original Equipment Manufacturers, OEMs. As the main advantage, this approach is able to combine current OEM’s state of the art in product technology with an educated guess for near future technology development. The application of the developed methodology is done on the exploration of the design parameters of new technologies to achieve 65% combined cycle power plant net efficiency. The results highlight the interdependence of the topping and bottoming cycle thermodynamic performance parameters and a large number of potential designs achieving 65% efficiency was identified. The technical realization of found thermodynamic performance parameters would be evaluated later in terms of their technological challenge and economic viability. In this respect the integrative combined cycle power plant optimization methodology is the key to analyze existing limitations and explore new technologies in order to constantly increase the value for power plant customers.

Copyright © 2016 by ASME



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