In December 2024
Answer to Question #156778 in Electrical Engineering for Robert L Price Sr
what makes the magnetic field in a motor rotate?
The magnetic field rotates inside a motor because the wiring (coils of wires) for each phase are shifted 120° in space. Since such motors work on three-phase AC voltage, the vector sum of magnetic field at every moment of time is slightly turned compared to every previous position of the resultant magnetic field.
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