Method for switching operation of water wheel or pump water wheel
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United States of America Patent
Stats
-
Feb 7, 1984
Grant Date -
N/A
app pub date -
Aug 31, 1981
filing date -
Sep 1, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for switching the mode of operation of a water wheel or a pump water wheel is disclosed. Water in a runner chamber of the water wheel or the pump water wheel is pushed down below a runner by supplying compressed air to cause a runner to race. When the operation of the water wheel or the pump water wheel is switched from an idling or racing operation of the runner to a generation mode, the characteristics of the water wheel or the pump water wheel and/or a power system are monitored and the monitored characteristics are compared with predetermined values. Based on the compare result, the operation is switched to the generation mode with or without the disconnection of a motor generator coupled to the water wheel or the pump water wheel from the power system.
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