Field Investigation and Reduction of Wicket Gate Vibration in a Francis-Type Reversible Pump/Turbine

[+] Author and Article Information
J. T. O’Brien

Research Division, Philadelphia Electric Co., Philadelphia, Pa.

W. L. Swift

Hydro-Turbine Division, Allis-Chalmers Corp., York, Pa.

J. Fluids Eng 96(1), 16-20 (Mar 01, 1974) (5 pages) doi:10.1115/1.3447087 History: Received July 25, 1973; Online October 12, 2010


The profiles of three wicket gates on a Francis-type reversible pump/turbine were modified in the field to reduce vibration levels in the pumping and generating modes of operation. This paper describes the modification and the field tests employed to monitor the changes in the gate torque chracteristics. Static and dynamic components of gate torque were reduced significantly.

Copyright © 1974 by ASME
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