PMSM structure .

A permanent magnet synchronous motor, like any rotating electric motor, consists of a rotor and a stator. Typically, the rotor is located inside the stator of the electric motor. There are also structures with an external rotor inside out electric motors. According to the design of the rotor, the PMSM are divided into Surface Permanent Magnet Synchronous Motor Interior Permanent Magnet Synchronous Motor In order to prevent the permanent magnet flux from short-circuiting, there are magnetic isolation slots in the rotor core, and the slots can also be filled with magnetic isolation materials. Depending on the stator design, a PMSM can be With Distributed Winding With Concentrated Winding Distributed winding is distributed along the air gap. In this winding, poles are not equal to the number of slots. It does not have the same magnetic axis. The EMF induced in the distributed winding is less due to the presence of pitch factor and distribution factor. Distributed windings are used in DC machine, synchronous machine and induction machine. Concentrated type of winding can be done when the total number of poles in the armature is equal to the number of slots of the armature coil. Look at the image. The winding the total coils is wound in the single slots. Well, that's for today.