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Permanent magnet stepper motor and ordinary motor are different

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Permanent magnet stepper motor and ordinary motor are different

Date:2017-03-16 Author: Click:

Stepper motor is a high precision, good control characteristics of the control system implementation of the components. It works in a pulsed manner, and each time a pulse or a few pulses are received, the rotor of the motor moves to a position where the distance can be small.

Stepper motor and ordinary motor is different from the stepper motor to accept the pulse signal control. Stepper motor * An electronic switch device called a ring splitter, through the power amplifier to make the field winding in turn turn on the DC power supply. As the excitation winding in the space according to a certain law, turns and DC power is connected, it will form a step in the space changes in the rotating magnetic field, so that the rotor step by step rotation, with the pulse frequency increases, speed It will increase.

Now more commonly used stepper motor, including reactive stepper motor, permanent magnet stepper motor, hybrid stepper motor and single-phase stepper motor. Wherein the rotor magnetic circuit of the reactive stepping motor is made of a soft magnetic material, and the stator has a multi-phase excitation winding, and the torque is generated by the change of the magnetic flux. At this stage, reactive stepper motors get the most applications.


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