Topping the Groningen Steam Turbine Plant With a Gas Turbine PUBLIC ACCESS

[+] Author Affiliations
J. J. Veenema

Energy Utility (EGD) of Groningen and Drenthe, Groningen, The Netherlands

H. Brueckner, H. H. Finckh

Kraftwerk Union AG, Erlangen, Federal Republic of Germany

Paper No. 87-GT-38, pp. V004T10A015; 10 pages
  • ASME 1987 International Gas Turbine Conference and Exhibition
  • Volume 4: Heat Transfer; Electric Power
  • Anaheim, California, USA, May 31–June 4, 1987
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7926-9
  • Copyright © 1987 by ASME


Retrofitting existing steam turbine power plants with a gas turbine topping cycle can greatly enhance their efficiency to levels comparable with those of plants originally constructed as fully fired combined cycles. The economic benefits of this approach make it so attractive that utilities in the Netherlands are at present converting well over 3000 MW of conventional steam power. This paper describes various technical and economic aspects of topping the natural gas-fired 600 MW Eemscentrale 2 unit. In particular, the improvements made to the thermodynamic cycle, the adaptation of its components and the partial load behavior of the plant are discussed. The economic analysis reveals that significant fuel savings justify the capital investment.

Copyright © 1987 by ASME
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