Gas Turbine Reliability: How? How Much? Where?

[+] Author and Article Information
H. D. Lenz

Cooper Industries, EN-Tronic Controls, Mount Vernon, OH 43050

H. W. Hill

Ohio University, Electrical and Computer Engineering, Athens, OH 45701

J. Eng. Gas Turbines Power 111(2), 232-236 (Apr 01, 1989) (5 pages) doi:10.1115/1.3240241 History: Received September 15, 1987; Online October 15, 2009


Methods to establish component reliability have been in existence for nearly forty years. However, these methods have not been applied to gas turbine systems, because of a lack of consistent definitions and methodology. This paper describes a systematic procedure for calculating control-system reliability, which also can be extended to calculations for mechanical equipment. This is accomplished by a computerized model. Using the results of this model, practical methods and configurations are described to improve gas turbine reliability, such as: redundancy of essential components; quality of components; environmental factors; sensing devices and actuators; and circuits and logic design. The paper also compares these methods and the resulting reliability improvements in system cost and complexity.

Copyright © 1989 by ASME
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