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Rotating magnetic field
Most of the electric motors and generators have the rotating magnetic field inside. To create the rotating magnetic field the electric machines are built with the multy-phase winding.
AC Magnetic module of QuickField allows definition of the multi-phase windings, and rotating magnetic field simulation. There you can specify both the source value and the phase for each conductor.
Besides defining of the multi-phase windings, there is the second approach available to model the rotating magnetic field using the specific boundary conditions.
This picture shows the rotating magnetic field simulated by QuickField:
You can also simulate rotating magnetic field with transient magnetics module.
Rotating magnetic field.
Wikipedia : Rotating magnetic field.