Centrifugal governor for gas turbine overspeed control - has lever system coupled to centrifugal stages to control speed

摘要

The speed regulating system is based upon adjustment of a fuel supply valve (7) when a specific speed is reached. The valve has a plunger actuator (9) that is moved by a lever (15) is pivot mounted on to a frame. The input to the lever is provided by a sleeve (10) that is mounted on a rotating spindle coupled to the turbine output shaft. A pair of centrifugal masses (5, 6) respond to speed changes to vary the lever position. A second lever (18) provides a set control action. ADVANTAGE - Precise control of speed.