What is the reason for the imbalance of the main engine of the screw air compressor?

The main main unbalance of the host is: power supply imbalance, power fluctuation and contactor.

Poor contact of a certain phase and motor problems cause three-phase imbalance.

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The screw air compressor often finds that the voltage is too low to check whether the input voltage is too low, and the screw air compressor controller has voltage too low or too high protection. See if the settings are correct.

Check whether the power line and contactor entering the screw air compressor are in poor contact, etc.

May I ask how to increase the screw air compressor when the voltage is too low to use.

Generally speaking, in a low-voltage environment, the voltage of the screw air compressor is usually lower than about 330V, which will show under-voltage protection, and the air compressor will trip, resulting in the voltage regulator cannot be used normally.

If this is the case, it is recommended that you increase the input voltage of the air compressor to stabilize the voltage at about 380V, so you may need to install a voltage regulator in front of the air compressor to ensure the normal operation of the air compressor.

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There are mainly the following reasons:

1. Lack of oil, aging of oil, new oil.

2. The air filter is blocked.

3. Fan operation effect.

Lack of oil in the bearings. The heat sink is too dirty, which affects the ventilation (air cooler), and the water cooler looks at whether the water circulation is normal.

4. The oil filter is blocked.

5. The performance of the temperature control valve is poor.

The most practical emergency treatment method for high temperature fault of screw air compressor:

1. See whether the oil level of the air pressure is at the time of loading.

3 copies of 2 or more, be sure to look at it when loading. If it is in a shutdown.

It is not accurate to look at the oil level when unloading, because there is no oil in the pipeline, and the oil is all back into the oil and gas barrel, so you look at the past a lot. (less air compressor oil) 2, .

Check the air filter of the air compressor. See if the air filter is clogged, and if there is a lot of ash, blow it from the inside out. Blow clean. (Air filter blockage) 3

If it's air-cooled, take an air blower fan. Blockage of the fan heater will cause the oil to pass through the fan heater without waiting for cooling, the oil temperature is high, and the air pressure is high.

The temperature of the machine will also be high. (The cooler is blocked), and the water cooler depends on whether the water circulation of the water tower is normal and whether the water pump is operating normally.

If you have tried all of the above methods and have no effect.

That is, there is a problem with the parts, and then the air compressor can be repaired and maintained.

Parts Issues:

1. (Oil filter plugging plug) makes the oil unable to be cooled through the fan heater, and the machine temperature is high.

2. (Failure of temperature control valve).

Function of temperature control valve: When the air compressor is turned on, the oil temperature is very low, and the temperature control valve is closed, so the oil cannot be cooled through the fan heater.

The press temperature should not be lower for a long time.

75 degrees, below the will be a lot of condensate, condensate more automatic drain valve, discharge can not be timely, condensate will.

Mix it with oil to lubricate the bearing, and think about what the bearing will look like if the water lubricates the bearing.

When the air compressor temperature is reached.

Temperature control valve above 80 degrees.

It will turn on automatically, and the oil will be cooled through the fan heater, and the temperature will drop.

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It can be turned on and running, and it cannot be ruled out that it is a problem with the motor. The main unbalance of the host is: power supply unbalance, power supply fluctuation, poor contact of a certain phase of the contactor, and three-phase imbalance caused by motor problems. You have to check one by one to know the ultimate cause. Limb pure.

It can be turned on and running, and it cannot be ruled out that it is a problem with the motor. The main unbalance of the host is: power supply unbalance, power supply fluctuation, poor contact of a certain phase of the contactor, and three-phase imbalance caused by motor problems. You have to check one by one to know the ultimate cause.

The screw air compressor is pre-configured with a screw air compressor that requires only a single power connection and compressed air connection, and a built-in cooling system, which greatly simplifies installation. With its high efficiency, high efficiency, maintenance-free and highly reliable, screw air compressors consistently provide high-quality compressed air for all walks of life.

Hello, the reason why the air pressure of the screw air compressor is not enough: 1. The air consumption is large, and the air supply of the air compressor is insufficient, resulting in low-pressure operation. 2. The inlet valve is faulty, the inlet valve is not fully opened during loading, and the exhaust pressure is low due to insufficient air intake.

3. Perforation of the cooler, resulting in compressed air entering the cooler and loss, resulting in low-pressure operation (in this case, water-cooled models are more common, and air-cooled models are generally rare).

The screw air compressor has been loaded and cannot be unloaded, and the air compressor continues to load and run when the rated pressure is exceeded, and the screw air compressor trips and stops when the high pressure value is set, or the safety valve is activated.

Analysis and solution of the reasons why the screw air compressor has been constantly loaded.

The main reasons for this type of failure are:

The pressure switch is improperly set or there is drifting after setting, and the number of false is reported;

Poor operation of the inlet valve, jamming and other reasons;

When the system stops using gas, the bleed solenoid valve fails, and the performance state is that the pressure is slowly going up, not like loading;

The control loop is faulty;

The loading solenoid valve is faulty, the phenomenon is unloading but loading at the same time, and the loaded air volume is greater than the unloading, so the pressure continues to increase;

Analysis and solution of the reasons why the screw air compressor has been constantly loaded.

The screw air compressor has been loaded and cannot be unloaded

Overhaul the pressure switch and replace it if necessary;

Replace and maintain the inlet valve, add lubricating oil;

overhaul or replace the unloading solenoid valve;

overhaul or replacement;

Check the loading solenoid valve, whether it is faulty, and replace the loading solenoid valve if necessary;