This is the second paper exploring the effects of the degradation of different components on combined cycle gas turbine (CCGT) plant performance. This paper investigates the effects of degraded steam path components of steam turbine (bottoming) cycle have on CCGT power plant performance. Areas looked at were, steam turbine fouling, steam turbine erosion, heat recovery steam generator degradation (scaling and/or ashes deposition), and condenser degradation. The effect of gas turbine back-pressure on plant performance due to HRSG degradation is also discussed. A general simulation FORTRAN code was developed for the purpose of this study. This program can calculate the CCGT plant design point performance, off-design plant performance, and plant deterioration performance. The results obtained are presented in a graphical form and discussed.
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e-mail: p.pilidis@cranfield.ac.uk
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July 2003
Technical Papers
Degradation Effects on Combined Cycle Power Plant Performance—Part II: Steam Turbine Cycle Component Degradation Effects
A. Zwebek,
e-mail: gotross@hotmail.com
A. Zwebek
Department of Power Engineering and Propulsion, School of Engineering, Cranfield University, Bedford MK43 0AL, UK
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P. Pilidis
e-mail: p.pilidis@cranfield.ac.uk
P. Pilidis
Department of Power Engineering and Propulsion, School of Engineering, Cranfield University, Bedford MK43 0AL, UK
Search for other works by this author on:
A. Zwebek
Department of Power Engineering and Propulsion, School of Engineering, Cranfield University, Bedford MK43 0AL, UK
e-mail: gotross@hotmail.com
P. Pilidis
Department of Power Engineering and Propulsion, School of Engineering, Cranfield University, Bedford MK43 0AL, UK
e-mail: p.pilidis@cranfield.ac.uk
Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Paper presented at the International Gas Turbine and Aeroengine Congress and Exhibition, New Orleans, LA, June 4–7, 2001; Paper 2001-GT-0389. Manuscript received by IGTI, December 2000, final revision, March 2001. Associate Editor: R. Natole.
J. Eng. Gas Turbines Power. Jul 2003, 125(3): 658-663 (6 pages)
Published Online: August 15, 2003
Article history
Received:
December 1, 2000
Revised:
March 1, 2001
Online:
August 15, 2003
Citation
Zwebek, A., and Pilidis, P. (August 15, 2003). "Degradation Effects on Combined Cycle Power Plant Performance—Part II: Steam Turbine Cycle Component Degradation Effects ." ASME. J. Eng. Gas Turbines Power. July 2003; 125(3): 658–663. https://doi.org/10.1115/1.1519272
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