Home Technology DC Electric Motor Working Principle 3D Animation

DC Electric Motor Working Principle 3D Animation


Electric motors can seem very mysterious! How do they use electricity to start rotating? Let’s break it down step by step to understand how it works.

source/image(PrtSc): Jared Owen

Topics covered in this video: circuits, current, magnets, electromagnets, armature, commutator, brushes, stator, and rotor. This video only covers DC motors./watch the video from Jared Owen for more info:

A simple DC motor has a stationary set of magnets in the stator and an armature with one or more windings of insulated wire wrapped around a soft iron core that concentrates the magnetic field.


When an electric current starts to creep along a wire, it creates a magnetic field in the armature that attracts and repels the magnets in the stator.So the armature spins through 180 degrees. To keep it spinning you have to change the poles of the electromagnet, the brushes handle this change in polarity.

VIA Jared Owen
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