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Classification of induction motors
- Nov 02, 2018 -

First of all, we must know that the rotor is usually a permanent magnet, so when this current flows through the stator winding, this stator winding produces a vector magnetic field, then this magnetic field will drive the rotor to rotate an angle, and then make the rotor the direction of the pair of magnetic fields is the same as the direction of the magnetic field of the stator. So when the vector magnetic field of the stator is rotated by an angle, then the rotor also turns an angle with the magnetic field, so that every time an electrical pulse is input, the motor will go one angle further before the angular displacement and input of the output. The number of pulses is proportional to each other, so the speed is proportional to the pulse frequency. We can reverse the order by changing the order in which the windings are energized. Therefore, the number of control pulses, as well as the frequency and the energizationssequence of the windings of each phase of the motor can be used to control the rotation of the stepping motor.


In general, the inductive sub-motors can be divided into two phases: two-phase motor, three-phase motor, four-phase motor, five-phase motor and so on.


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