Case Study in the Upgrade and Rehabilitation Techniques of a Pumped Storage Installation

by James L. Kepler, Voith Hydro Inc, York, United States,
Gary F. Franke, Voith Hydro Inc, York, United States,



Document Type: Proceeding Paper

Part of: Waterpower '91: A New View of Hydro Resources

Abstract: This paper presents a specific case study in the runner upgrade and unit rehabilitation of two pump/turbines at the Seneca Powerhouse. The study addresses the modern optimized designs including upgraded runners and wicket gates, along with specific challenges relating to Seneca's Unit 2 double discharge draft tube, improved wearing ring/seal configurations, along with the importance of total turnkey project coordination with field scheduling to assure a successful project.

Subject Headings: Case studies | Power plants | Rehabilitation | Hydro power | Field tests | Gates (hydraulic) | Pumps | Water discharge

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