Five Excitation Methods for DC Motors

Permanent magnet DC motors are divided into rare earth permanent magnet DC motors, ferrite permanent magnet DC motors, and aluminum nickel cobalt permanent magnet DC motors.

DC motors are divided into permanent magnet, separate excitation, and self excitation according to their excitation methods. Self excitation can also be divided into parallel excitation, series excitation, and compound excitation. Combine into five types.
 

Permanent magnet direct current motor

A permanent magnet DC motor is a DC motor that uses a permanent magnet to establish an excitation magnetic field. This type of motor has small size, light weight, simple structure, and high efficiency due to the absence of an additional excitation system. The vast majority of micro DC motors are permanent magnet.
 

The starting and operating characteristics of permanent magnet DC motors are basically the same as those of separately excited and parallel excited DC motors. In terms of structure, except for the stator part without excitation winding, its armature, brush, commutator, and other components are the same as current excited DC motors.
 

The starting and operating characteristics of permanent magnet DC motors are basically the same as those of separately excited and parallel excited DC motors. In terms of structure, except for the stator part without excitation winding, its armature, brush, commutator, and other components are the same as current excited DC motors.

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