Phase Shift Torquemeters for Gas Turbine Development and Monitoring PUBLIC ACCESS

[+] Author Affiliations
R. D. van Millingen, J. D. van Millingen

Torquemeters Limited, Ravensthorpe, England

Paper No. 91-GT-189, pp. V005T15A003; 10 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7902-3
  • Copyright © 1991 by ASME


Multipole phase shift torquemeters now measure shaft power to 0.1% accuracy in R & D applications, and to 1.0% when designed for permanent installation, both at confidence levels of 95%.

The total installed power to date is 2 million kW, and over 2 million hours have been logged with good reliability. They are in service at speeds up to 90,000 RPM and powers of 50MW.

The paper outlines ways of ensuring credibility, and describes typical designs for R & D use, and for permanent installation. It concludes that the application problems are largely those of transmission engineering.

Copyright © 1991 by ASME
This article is only available in the PDF format.



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