1, the motor is a generator and motor collectively, the construction project is referred to in the motor refers to the motor. More types of motors, according to the different power supply can be divided into two categories of DC motor and AC motor.
2, transformer is a device used to change the voltage, can be high voltage into low voltage or low voltage into high voltage. Transformers play a very important role in the power system to transmit power from the generating station to the consumer.
3, cable is a device used to transmit power and signals, composed of conductors and insulation. Cables can be categorized into low voltage cables, medium voltage cables and high voltage cables, which play a very important role in the power system.