Design and Installation Concepts for High Capacity Pump/Turbines

by Robert G. Grubb, Voith Hydro Inc, United States,

Document Type: Proceeding Paper

Part of: Waterpower '89


This paper discusses the pre-planned field welding and machining operations utilized for six (6) large pump/turbines, each capable of 508 MW at Virginia Power Company's Bath County Pumped Storage Project (USA). These design and installation techniques are also being utilized for the four (4) pump/turbines for Duke Power Company's Bad Creek Pumped Storage Project (USA), each capable of 300 MW and the six (6) 312 MW pump/turbines for Taiwan Power's Mingtan Project (Taiwan). The Bad Creek units are presently being installed and the Mingtan units are now in the manufacturing stage. A design review of these machines demonstrating the importance of final installed component level, flatness, alignment and clearances will be presented as well as a discussion of the application of field tools providing capabilities to field machine critical components and interfaces all directed toward maximizing machine integrity and reliability.

Subject Headings: Equipment and machinery | Conceptual design | Pumps | Waste storage | Rivers and streams | Hydro power | Pumping stations | Water storage | United States | Virginia | North Carolina | Taiwan | Asia

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