AC Brushless Motors. AC brushless motors utilize the induction of a rotating magnetic field in the stator to carefully turn the rotor and stator at the same rate. Like DC motors, these are permanent-magnet synchronous motors, or PMSMs, that rely upon magnets built into the rotor.
In a brushed DC Brushless Ac Motor china engine, the rotor spins 180-degrees when a power current is run to the armature. … In brushless DC motors, the permanent magnets are on the rotor, and the electromagnets are on the stator. A computer then fees the electromagnets in the stator to rotate 
the rotor a complete 360-degrees.
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