Servo controls are widely
used as wind turbine pitch control
too. The wind turbine pitch control system are used for changing the frequency
of the rotor blades in a wind power system or a wind mill that works with the
real wind speed in order to adjust the output power attaining the highest
utilization efficiency of the wind power and thus providing a protection for
the rotor blades. The servomotors are used as the pitch control for the wind
turbines.
There are three different
types of servo motors that are normally used in the modern servo systems. These
are:
- AC servo motors – These motors are based on the induction motor designs
- DC servo motors – These are based on the DC motor design
- AC brushless servo motors – These are based on the synchronous motor designs
The
servo motors provide a motion profile that is a set of commands programmed in a
controller which defines the operation of the servo motors in regards to
velocity, position and time. Servo motion control makes the
robotic devices and other such devices work with utmost precision.
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