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U.S. Department of Energy
Office of Scientific and Technical Information

Pumping-up hydroelectric power plants

Patent ·
OSTI ID:5402882
Disclosed is a pumping-up hydroelectric power plant comprising a single speed main pump/turbine and a booster pump operable in series in a pumping operation between an upper reservoir and a lower reservoir. A water head shared by said booster pump is varied depending on a variation in the static head between the two reservoirs for maintaining the operation of the main pump/turbine always in a maximum efficiency range.
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha (Japan)
Patent Number(s):
US 4408452
OSTI ID:
5402882
Country of Publication:
United States
Language:
English