Brushless AC electric motor

From Wikipedia, the free encyclopedia

Also known as a permanent magnet synchronous motor (PMSM), a brushless AC motor is similar to a brushless DC motor in that the magnetic field of the rotor is supplied by the permanent magnets rather than by the electromagnet used in the induction motors.t.

[edit] References

http://www.iit.edu/~ipro315/Research/control/Sensorless%20Motor%20Control.htm