Motor is the general term for different types of motor; in fact, Motor can be broken down into many species.
According to the Power supply, motor can be divided into DC motor and AC motor. According to the structure and working principle, DC motor can be subdivided into brushless DC motors and brush DC motors. The brush DC motor can be divided into permanent magnet DC motor and electromagnetic DC motor; ac motor are divided into single phrase motor and three phrase motor.
Motors play an very important role in our daily life, without motor, our study and working efficiency will decline seriously, although maybe motor is a strange word to most of people, it is use in air-condition, hand dryer, washing machine and many more other industries.

