AC Brushless Motors. AC brushless motors use the induction of a rotating magnetic field in the stator to carefully turn the rotor and stator at the same rate. Like DC motors, they are permanent-magnet synchronous motors, or PMSMs, that rely upon magnets built into the rotor.
In a brushed DC electric motor, the rotor spins Brushless Ac Motor 180-degrees when a power current is set you back the armature. 
