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Motor Current and Rotor Rotation
Let's look at the stator's magnetic poles and the rotor movement with the 2-phase 4-pole motor as shown below when the current direction of the stator winding is repeatedly switched.
The rotor makes a step operation by switching the current direction in the winding of the stator, the magnetic poles of the rotor and the magnetic poles of each phase of the stator repelling and attracting.
Therefore, the stepping motor rotates when the above is performed continuously.
