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  1. Permanent magnet motor. Schematic of a permanent magnet motor. A permanent magnet motor is a type of electric motor that uses permanent magnets for the field excitation and a wound armature. The permanent magnets can either be stationary or rotating; interior or exterior to the armature for a radial flux machine or layered with the armature for ...

  2. An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.

  3. Jan 31, 2017 · A permanent magnet (PM) motor is an ac motor that uses magnets imbedded into or attached to the surface of the motors rotor. This article provides an elementary understanding behind the terminology, concepts, theory, and physics behind PM motors.

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