1. What is electric motor?

   A. Electric motor is a device that convert electrical energy into mechanical energy. The main function is to produce driving torque, as a power source for all kinds of machinery. According to the type of working power supply can be divided into DC motor and AC motor. According to the structure and working principle can be divided into DC motor, Asynchronous motor, Synchronous motor.

2. What kind of machinery need electric motor?

    A. Such as fans, pumps, compressors, machine tools and other mechanical equipment, air conditioners, refrigerators, washing machines and other household appliances, construction, automobile, aviation, new energy and other fields.