What is the difference between ordinary motor and variable frequency motor of screw air compressor
Time：
2022-07-08
We all know that in the design of screw air compressors, there is an important component, that is, the motor, which is divided into ordinary motors and variable frequency motors. Ordinary motors can run stably only in the rated state, but variable frequency motors do not need them. They can run stably with speed regulation according to different loads and demands. So what is the difference between the ordinary motor of the screw air compressor and the variable frequency motor, let's briefly talk about it: 1. The speed of the ordinary motor cannot be adjusted, it has a fixed speed, and the variable frequency motor can adjust the speed, so as to achieve the purpose of energy saving. 2. For motors of the same size, the iron core section of ordinary motors is smaller, the number of coil turns is small, the wire diameter is small, and the insulation is low. The frequency conversion motor is just the opposite. 3. The frequency conversion motor increases the electromagnetic load on the basis of the ordinary motor. 4. The insulation of ordinary motor slots is poor, the insulation materials used are relatively poor, and the thickness of the slot insulation is not enough.
We all know that in the design of screw air compressors, there is an important component, that is, the motor, which is divided into ordinary motors and variable frequency motors. Ordinary motors can run stably only in the rated state, but variable frequency motors do not need them. They can run stably with speed regulation according to different loads and demands.
So what is the difference between the ordinary motor of the screw air compressor and the variable frequency motor, let's briefly talk about it:
1. The speed of the ordinary motor cannot be adjusted, it has a fixed speed, and the variable frequency motor can adjust the speed, so as to achieve the purpose of energy saving.
2. For motors of the same size, the iron core section of ordinary motors is smaller, the number of coil turns is small, the wire diameter is small, and the insulation is low. The frequency conversion motor is just the opposite.
3. The frequency conversion motor increases the electromagnetic load on the basis of the ordinary motor.
4. The insulation of ordinary motor slots is poor, the insulation materials used are relatively poor, and the thickness of the slot insulation is not enough.
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