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EXTRACTION STEAM TURBINE SPEED AND PRESSURE REGULATOR MECHANISM

Upon a change in speed of the turbine shaft, the sleeve of centrifugal governor 1 is displaced, turning lever 2 about point A and simultaneously shifting the spools of valves 3 and 4. These valves direct the hydraulic fluid to servomotors 5 and 6. The movement of the pistons of servomotors 5 and 6 shifts valve members 7 and 8, changing the amount of steam supplied to the turbine. At this, levers 1…