Vibration Characteristics of Large Frame Combustion Turbines FREE

[+] Author Affiliations
Bill J. Coslow, Oran L. Bertsch

Westinghouse Electric Corporation, Orlando, FL

Paper No. 94-GT-472, pp. V004T10A026; 7 pages
  • ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • The Hague, Netherlands, June 13–16, 1994
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7886-6
  • Copyright © 1994 by ASME


This paper examines the vibration characteristics of large frame land-based combustion turbines including response of the entire rotor train. The typical rotor train consists of the combustion turbine with integral axial compressor, a rigidly coupled generator, and a starting and auxiliary turning gear package connected through a flexible coupling.

Vibration characteristics during both transient and steady state conditions are considered. Analytical methods for predicting synchronous and asynchronous vibration response are examined. Actual shop and field test results am discussed including vibration components at frequencies other than running speed.

Industry standards on vibration limits are discussed with respect to current Westinghouse vibration control setting specifications.

Copyright © 1994 by ASME
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