Retrofit of a Modern Control System on an Early Design Gas Turbine PUBLIC ACCESS

[+] Author Affiliations
H. Nikkels

Anchorage Municipal Light & Power, Anchorage, AK

D. Little

Liburdi Engineering Limited, Hamilton, ON, Canada

Paper No. 87-GT-31, pp. V005T14A002; 10 pages
  • ASME 1987 International Gas Turbine Conference and Exhibition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Process Industries; General
  • Anaheim, California, USA, May 31–June 4, 1987
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7927-6
  • Copyright © 1987 by ASME


The control systems on many older combustion turbines are often directly responsible for poor first-start reliability, low availability and high forced-outage rates. Indirectly, they may be the cause of mechanical and metallurgical problems. Dealing with aging control systems is a common experience for most turbine users and sometimes results in the premature retirement of equipment. The retrofit of a modern control system offers many advantages to the turbine user if it can be accomplished in an economic and timely manner.

The significant logistics, engineering, installation and commercial aspects of installing a modern control system on a 24-year old combustion turbine are described in this paper. The unit was restored to service with the new control system in early 1986, and the project was considered a success.

Copyright © 1987 by ASME
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