Fast-Track Redeployment of AVON Quad-Pack Improves Island’s Backup Power System PUBLIC ACCESS

[+] Author Affiliations
Björn Blomberg, Christer Liljigren

Vattenfall Generation Services AB, Slite Kraftverk, Gotland, Sweden

Ian Jameison

Triconex Ltd., High Wycombe, Buckinghamshire, UK

Paper No. 98-GT-455, pp. V005T15A031; 7 pages
  • ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education
  • Stockholm, Sweden, June 2–5, 1998
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7866-8
  • Copyright © 1998 by ASME


Moving power generation equipment is a major undertaking under the best of circumstances. This paper documents the project to provide more reliable backup power for the island of Gotland, off the coast of Sweden in the Baltic Sea. All the power for this scenic island is normally supplied by two sub-sea, HVDC cables from the Swedish mainland. In the early 1990’s, the power company started the planning to redeploy some of their peaking generation assets more effectively on Gotland. Providing the island with more generating capacity and faster recovery in the event of a partial or total loss of the DC tie-line was deemed a worthy endeavor.

Preparations to move the two 60 MW AVON Quad-pack gas turbine-generators were initiated late in 1994. In addition to commencing green-field site construction to receive the units, the company initiated a controls retrofit of the 1970-vintage units with new fault-tolerant combustion and generation automatic voltage regulation control systems to the relocated turbines.

The scope and timeline for this complex, fast-track project are described along with specific challenges. Results versus expectations are also documented.

Copyright © 1998 by ASME
Topics: Emergency power
This article is only available in the PDF format.



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