Process and device for limiting the overspeed of a low head hydroelectric generating set
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United States of America Patent
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-
May 10, 1988
Grant Date -
N/A
app pub date -
Sep 11, 1985
filing date -
Sep 18, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process and apparatus for preventing the overspeed of a low head hydroelectric generating set including a turbine having an adjustable distributor valve assembly and adjustable vanes wherein the openings of the valve assembly and vanes are continuously monitored relative to one another and with the openings of the valve being limited by a conjugation device so as to insure that the pressure head through the turbine is retained at or just slightly below the normal lowest operating pressure head for which the turbine is designed to operate.
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