DC generator working principle diagram

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How does the DC generator work?

1. Principle model of DC generator

1. Principle model of DC motor (Figure 1.1.5)

How does a DC motor work?

In order to make the armature receive electromagnetic torque in a constant direction, the key is to change the direction of the current flowing through the coil in time when the coil side is under the magnetic poles of different polarities, that is, the so-called "commutation". To this end, a device called a commutator must be added. The commutator and the brush ensure that the current in each of the lower coil sides is always in one direction, so that the motor can be continuously rotated. This is the working principle of the DC motor.