Frequency converters are mainly used to control the speed of AC asynchronous motors by adjusting the input power frequency to achieve speed regulation. They also have functions such as soft start, energy saving, overcurrent/overvoltage/overload protection, and are widely used in equipment such as fans, water pumps, and conveyor belts that require precise speed regulation.
Possible reasons include short acceleration time, heavy load, and incorrect motor parameter settings. The solution is to extend the acceleration time, check if the load is normal, reset the motor parameters (such as rated current, voltage, etc.), or increase the capacity of the frequency converter appropriately.
The common control modes of servo motors include position control, speed control, and torque control. In position control mode, the servo driver precisely controls the rotation angle of the motor based on the input pulse signal or position command; In speed control mode, the servo driver adjusts the motor speed based on the input speed command; In torque control mode, the servo driver controls the output torque of the motor based on the input torque command.
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