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Permanent magnet synchronous motor

Belonging to the line-start permanent magnet synchronous motor of permanent magnet synchronous motor, its magnetic field system made up of one or more permanent magnets, is usually cast in aluminum or copper welded together cage rotor inside the desired number of poles of inserting permanent magnet pole. Stator structure similar to the motor.

When the stator winding is connected to power, motor principle of asynchronous motor starting, and speeded to the sync speed, generated by the rotor and the stator magnetic field of synchronous magnetic torque (generated by the rotor magnetic field of electromagnetic torque synthesis with the stator magnetic field magnetic torque) rotor fall in step, motor into synchronous running.