For motors for different purposes, in addition to the necessary parameters such as power, rated voltage, torque and speed, the matching relationship between the volume of the motor and the supporting equipment space is particularly important, especially for the space to accommodate the motor is particularly small, and the requirements for the volume and shape of the motor will have more constraints.
Most industrial motors, the supporting equipment of the motor volume requirements are not particularly high, so the volume of industrial motors to be relatively large, therefore, industrial motors for electromagnetic wire, iron core materials and other conductor materials of the choice of greater freedom, product design process can also be through the motor volume adjustment, optimize and meet the motor temperature rise, efficiency and other indicators performance. In other words, due to the relative flexibility of the installation of industrial motors, the pursuit of power density of industrial motors is not very strict, and the direction of the output of the motor, the cooling method and other constraints affecting the volume and shape are relatively few.
For automotive motors, subject to the overall requirements of car body space and performance improvement, the capacity of the motor is subject to many limitations, so it can only be achieved by maximizing the power density of the motor to achieve the overall match with the car body. The power density of automotive motors is currently at the level of 3.5-4kW /kg, and with the popularization of new energy vehicles and the continuous improvement of motor technology, the index is expected to further increase. To this end, the automobile motor in the design and material is very sophisticated, such as in the selection of electromagnetic wire, winding type improvement, motor core material control, permanent magnet material selection and other aspects, relative to the ordinary industrial motor requirements are higher, especially for the higher endurance requirements of electric vehicles, the matching motor put forward higher satisfaction requirements.
Therefore, due to the different application characteristics of automotive motors and ordinary industrial motors, there will be a large difference in the volume requirements.
Post time: Jun-18-2024
