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

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 chracteris...

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Bibliographic Details
Published in:Journal of fluids engineering 1974-03, Vol.96 (1), p.16-20
Main Authors: O’Brien, J. T, Swift, W. L
Format: Article
Language:English
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Summary: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.
ISSN:0098-2202
1528-901X
DOI:10.1115/1.3447087