1.According to the kind of working power supply: DC motor and AC motor

1) According to structure and operation principle of DC motor: brushless DC motor brush DC motor

Brush DC motor: permanent magnet DC motor and electromagnetism DC motor

electromagnetism DC motor:series excitation DC motor, shunt excitation DC motor, separatelt excited DC motor, compound excitation DC motor

permanent magnet DC motor: rare-earth permanent magnet DC motor, ferrite permanent magnet DC motor, Alnico permanent magnet DC motor

2)AC motor: single phase AC motor and three phase AC motor

2.According to structure and operation principle: DC motor, asynchronous motor, synchronous motor

1) synchronous motor: permanent magnet synchronous motor, reluctance synchronous motor, hysteresis synchronous motor

2) asynchronous motor: induction motor and alternating-current commutator motor

induction motor: three-phase asynchronous motor, single-phase asynchronous motor, shaded pole induction motor

alternating-current commutator motor: single-phase series motor, universal motor and repulsion motor

     3.according to starting and operation mode: capacitor start single-phase asynchronous motor, capacitor-run asynchronous motor,split-phase single-phase asynchronous motor

4.According to application: drive motor and control motor

1)Drive motor: electric tool motor, home appliance motor, General small mechanical equipment motor

2) Control motor: stepping motor and servo motor

5.According to the structure of rotor: cage induction motor and wound rotor induction motor

6.According to speed: high-speed motor, low speed motor, constant-speed motor.