Field-Experience on DLN Typhoon Industrial Gas Turbine FREE

[+] Author Affiliations
Marcus H. H. Scholz, Simon M. DePietro

European Gas Turbines Ltd., Lincoln, UK

Paper No. 97-GT-061, pp. V002T06A005; 7 pages
  • ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Orlando, Florida, USA, June 2–5, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7869-9
  • Copyright © 1997 by ASME


The second Generation of EGT’s G30 DLE combustion system was introduced after a successful series of high pressure rig and engine tests. This paper covers how operational problems with field commissioning hardware on the lead DLN machine were dealt with, leading to achievement of reliable low NOx hardware. Several changes were applied to the early design which improved the mixing and reduced the effects of high temperature distortion and combustor dynamics. This resulted in increased life of the burner and changed the characteristics of dynamics. It also led to very low emission levels with an outstanding capability for turndown of CO with NOx below 25 ppmvd (15% O2) over the whole load range. Further coverage is given to the effect of field tuning, and of fuel composition on the amplitudes and frequencies of dynamics. The installation has been supported by on-line condition monitoring of engine parameters, emission levels and ambient conditions, which are also discussed. The general overview of site history is followed by a summary of lessons learnt in field comparison to development test bed.

Copyright © 1997 by ASME
This article is only available in the PDF format.



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