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The role of the motor winding, there is such a big difference!

The role of the motor winding, there is such a big difference!

  • Categories:Industry trends
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  • Time of issue:2022-08-18
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The role of the motor winding, there is such a big difference!

(Summary description)Winding, is an important part of the motor products, some motors only have windings on the stator or rotor, while some motors have windings on the stator and rotor; different motors, the function of the winding is not the same.

  • Categories:Industry trends
  • Author:
  • Origin:
  • Time of issue:2022-08-18
  • Views:0
Information

Winding, is an important part of the motor products, some motors only have windings on the stator or rotor, while some motors have windings on the stator and rotor; different motors, the function of the winding is not the same.

 

The motor winding, which is composed of coils connected together in different ways, is also customarily called armature winding, which plays a key and pivotal role in the process of mutual conversion of mechanical and electrical energy in the motor. The armature winding of a generator generates electric potential, such as the rotor in a DC generator and the stator in an AC generator; the armature winding of an electric motor generates electromagnetic force, such as the rotor in a DC motor.

 

In AC motors such as synchronous motors and induction motors, the armature winding is located on a fixed and immobile stator, when it is more customary to call this the stator winding; in DC motors, the armature winding is located on a rotating rotor, and current is fed into the armature winding in a rotating state by means of dynamic mechanical contact as the rotor rotates.

 

In the case of synchronous and DC motors, there is usually another winding in which DC current is passed to generate the main flux necessary for the operation of the motor, and this winding is usually called the excitation winding.

 

The location of the excitation winding is not the same for different types of motors; for DC motors the excitation winding is on the stator, while for synchronous motors it is more often on the rotor. For permanent magnet motors, permanent magnets can also be used instead of the excitation winding.

 

Proper knowledge and understanding of the actual function and role of the winding is the most basic element in understanding the motor. For example, in an ordinary three-phase asynchronous motor, the role of the stator winding is to generate the rotating magnetic field, i.e., excitation, on the one hand, and to generate various losses during the operation of the motor, on the other hand. In contrast, the function of the stator winding of a permanent magnet synchronous motor lies in the absorption and conversion of electrical energy; in comparison, the no-load current of a permanent magnet motor will be small, while the no-load motor of an ordinary three-phase asynchronous motor will account for a certain percentage of the reactive current.

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