Method of and system for controlling hydraulic turbine

Details Method of and system for controlling hydraulic turbine Method of and system for controlling hydraulic turbine

1981-08-05

1984-10-09

Ostrager, Allen M.

Power plants

Pressure fluid source and motor

Utilizing natural energy or having a geographic feature

415 26, 415 29, 415 43, 290 43, 290 54, F01B 2504

Patent

active

044753349

ABSTRACT:
A method of and system for controlling a hydraulic turbine including a variable throttle valve located in fluid channel upstream or downstream of the hydraulic turbine adapted to be closed simultaneously as guide vanes of the hydraulic turbine are closed at a velocity higher than a predetermined velocity. The variable throttle valve is closed to a certain degree of opening in response to the sudden closing action of the guide vanes, but slowly opened to an original full open position after the guide vanes has closed to a predetermined degree of opening.

REFERENCES:
patent: 2495604 (1950-01-01), Salzmann
patent: 2724082 (1955-11-01), Hornfeck
patent: 3546472 (1970-12-01), Hoffman
patent: 3886373 (1975-05-01), Okada
patent: 3906726 (1975-09-01), Jamesen

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