Permanent magnet synchronous motor
A permanent magnet synchronous motor is an asynchronous start permanent magnet synchronous motor whose magnetic field system consists of one or more permanent magnets, usually inside a cage rotor welded with cast aluminum or copper strips, in the required number of poles. A pole with a permanent magnet. The stator structure is similar to an asynchronous motor.
When the stator winding is connected to the power supply, the motor starts to rotate according to the principle of the asynchronous motor, and when the synchronous operation is started to the synchronous speed, the synchronous electromagnetic torque generated by the permanent magnet magnetic field of the rotor and the stator magnetic field (the electromagnetic torque generated by the permanent magnet magnetic field of the rotor The reluctance torque generated by the stator magnetic field is combined to drive the rotor into synchronization, and the motor enters synchronous operation.
The reluctance synchronous motor, also called the reactive synchronous motor, is a synchronous motor that generates reluctance torque by using the rotor axis and the direct axis reluctance, and the stator and the asynchronous motor have similar stator structures, but only the rotor structure. Different.
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