Turbine valve controller

Details Turbine valve controller Turbine valve controller

F - Mech Eng,Light,Heat,Weapons

01

D

342/38, 341/38.1

F01D 17/06 (2006.01)

Patent

CA 1293311

Abstract of the Disclosure A turbine control device which compensates for non-linearity of the degree-of-opening/flow-rate characteristic of a regulating valve. The device has a turbine rotation speed detector, a calculator to determine a desired flow rate based on a pre- determined rotation speed and the detected speed, a valve for controlling the flow rate with a variable degree of opening, a flow rate detector, a memory unit for memorizing combinations of the detected flow rate and respective degrees of opening of the valve, a converter for converting the desired flow rate into a valve opening command signal based on the memorized combinations of the flow rate and respective degrees of opening of the valve, and a servo controller for the valve.

546335

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