The difference between stepping motor and reactive stepping motor

by:V&T Technologies     2020-01-18
The difference between stepping motor and reactive stepping motor Hybrid Stepping Motor is also called permanent magnet reactive stepping motor and permanent magnet induction stepping motor, which combines the advantages of permanent magnet and reactive stepping motor. There is no difference between its stator and four-phase reactive stepping motor ( However, the two magnetic poles of the same phase are opposite, and the N and S polarities generated by the windings on the two magnetic poles must be the same)The rotor structure is more complex ( The inside of the rotor is a cylindrical permanent magnet, both ends are covered with soft magnetic material, and there are small teeth and grooves around). Generally two-phase or four-phase; Positive and negative pulse signals must be supplied; The output torque is larger than that of permanent magnet (Power consumption is relatively small); The step angle is smaller than the permanent magnet (Generally 1. 8 degrees); No positioning torque when power is cut off; High frequency of startup and operation; It is a stepping motor that has developed rapidly at present. Stepping Motor reactive stepping motor: Also called induction, hysteresis or reluctance stepping motor. The stator and rotor are both made of soft magnetic materials, the large magnetic poles evenly distributed on the stator are equipped with multiphase excitation windings, and the small teeth and grooves are evenly distributed around the stator and rotor, after being electrified, the torque is generated by the change of magnetic conductance. Generally three, four, five, six phases; Large torque output ( Large power consumption, current up to 20A, high driving voltage); The step angle is small (A minimum of 1/6 degrees); No positioning torque when power is cut off; The damping in the motor is small, and the single step operation (Refers to when the pulse frequency is very low)The shock time is longer; High frequency of startup and operation. Different in structure and material, reactive motors do not have permanent magnetic materials inside like hybrid motors, so reactive motors have no self-resistance, while hybrid motors have self-resistance ( That is, there is a certain self-locking force when the motor is not powered on). There are differences in operating performance. The hybrid motor is relatively stable in operation, with relatively large output torque and low operating sound. ? The two motors are different in price, and reactive motors are relatively cheaper than hybrid motors. For more information, please visit the stepper motor () Related reading: Application of stepping motor in intelligent control level stepping motor motion control maintains full closed loop control method TAG stepping motor
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