A mechanical or electronic device for controlling or limiting the rotational speed of an engine or shaft.


Change in engine speed before the governor begins to act.


Ability of a governor to maintain the required engine speed without fluctuations or hunting.

Wind Turbine

In the case of a wind turbine the governor may feather the blades so as to reduce the forces and so rotational speed.

See also: Engine Speed, Overspeed Protection.

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Subjects: Mechanical Engineering