Operating and Maintenance Experience With Pump-Turbines in the U. S., Italy, and Japan

[+] Author and Article Information
W. J. Rheingans

Hydraulic Products Division, Allis-Chalmers Manufacturing Company, York, Pa.

J. Eng. Power 88(3), 209-214 (Jul 01, 1966) (6 pages) doi:10.1115/1.3678506 History: Received July 29, 1965; Online January 10, 2012


This paper presents operating and maintenance data on eighteen reversible pump-turbines in six different plants. Starting and stopping times and procedures for both pumping and generating cycles are detailed for most of the units. Operating records at one of the plants indicate a combined overall efficiency of 68.59 percent and an estimated combined pump-turbine unit efficiency of 74 percent. Cavitation and other maintenance problems for all the units are discussed in detail.

Copyright © 1966 by ASME
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