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What is the reason why the motor current of the screw air compressor is too large, and how to deal with it?

Views : 1732
Author : Runningway
Update time : 2020-05-20 11:12:22
Everyone who uses screw air compressors will probably encounter a motor current that is too large. The normal current of the air compressor is the rated current plus 1.15%. So what is the reason for the high current of the air compressor motor? Next, I will give you an analysis.

The reason and solution of too much motor current are as follows:

1. The compressor motor bearings are not lubricated. Treatment method: grease the motor bearings;

2. The overload protector of the air compressor fails. Treatment method: replace the overload protector of the air compressor;

3. The ambient temperature of the air compressor is too high. Treatment method: air compressor should be installed with air duct exhaust equipment;

4. Poor insulation of air compressor motor. Treatment method: remove the motor to do insulation strengthening treatment;

5. The air filter of the air compressor is blocked. Treatment method: replace the air filter.

6. Poor contact of air compressor starter contacts. Treatment method: maintain the starter contacts of the air compressor;

7. The three-phase voltage of the air compressor is unstable, under-phase, and the voltage is too low (less than 10%). Treatment method: Please improve the power system of the plant;

8. The air inlet of the air compressor is blocked. Treatment method: clean and maintain the air inlet of the air compressor;

9. The air compressor motor bearing is damaged. Treatment method: replace the motor bearing;

10. The air compressor motor wiring is loose. Treatment method: re-lock the motor wiring;

11. The temperature controller of the air compressor motor fails. Treatment method: replace the air compressor temperature controller
 
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