Screw air compressor motor overload reason

The reasons for the overload of the screw air compressor motor may include the following aspects:

the ambient temperature is too high: the ambient temperature of the air compressor is high, resulting in poor heat dissipation of the motor, which is easy to cause overload.

Air filter clogging: When the air filter is clogged, it will increase the load of the air compressor, which will cause the motor to overload.

Unit pressure exceeds the standard: If the pressure of the unit exceeds its rated pressure, the load of the motor will increase, causing overload.

Poor insulation performance of the motor: The deterioration of the insulation performance of the motor will cause current leakage or short circuit, which will cause the motor to overload.

Oil and gas separator blockage: oil and gas separator blockage will lead to increased internal pressure, motor load increases, resulting in overload.

Overload protector failure: If the overload protector of the air compressor fails, it will not work normally and cannot effectively protect the motor from overload.

Poor power-saving contact of the starter: Poor power-saving contact of the starter will cause the current to be unstable, which may cause the motor to overload.

Loose or off wiring: Poor or loose wiring of the motor may cause abnormal current, which may cause overload.

Bearing problem: If the bearing of the host is not oiled or damaged, it will increase the friction and load of the motor, resulting in overload.

Voltage problems: Power problems such as unstable three-phase voltage, underphase or low voltage may also cause motor overload.

In order to avoid overload of the screw air compressor motor, the equipment should be checked and maintained regularly to ensure that the parameters are within the normal range, and the stability of the ambient temperature and voltage should be paid attention. If the overload phenomenon is found, the cause should be investigated in time and corresponding solutions should be taken.