Motor selection principle

In order to adapt to various purposes, motor manufacturers produce motors of different types, forms and capacities. When selecting motors, consider their characteristics. After carefully studying the characteristics of the machine being driven, select the motor that suits the load characteristics.

The principle of choosing a motor is:

(1) According to the starting characteristics and operating characteristics of the load, the motor that is most suitable for these characteristics is selected to meet various requirements in the working process of the production machine.

(2) Selecting a motor that has a protection mode and a cooling mode that is compatible with the environment of the place of use, should be structurally suitable for the environmental conditions in which the motor is located.

(3) Calculate and determine the appropriate motor capacity. Motors that are typically designed and manufactured are most efficient at 75%-100% rated load. Therefore, the difference between the capacity required by the equipment and the capacity of the selected motor should be minimized, so that the power of the motor is fully utilized.

(4) Select a motor with high reliability and easy maintenance.

(5) Considering interchangeability, try to choose a standard motor.

(6) In order to make the whole system operate at high efficiency, it is necessary to comprehensively consider the number of poles and voltage level of the motor.