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What is the function of adding a frequency converter to an air compressor
Release time:
2024-01-13
What is the function of adding a frequency converter to an air compressor
The frequency conversion screw air compressor, permanent magnet frequency conversion screw air compressor, two-stage compression permanent magnet frequency conversion air compressor and other series on the market now use frequency converter control to adjust the frequency of the air compressor, stabilize the outlet pressure of the air compressor, and achieve automatic switching of the frequency conversion of the air compressor equipment. So what is the function of adding a frequency converter to an air compressor?
The function of adding a frequency converter
1. Air compressors are generally selected based on the actual cooling capacity requirements of the design working conditions. Generally, compressors operate year-round and have to cross the extreme weather of winter and summer. Therefore, they face relatively complex external environments, and there may be certain deviations between the actual working conditions and the design plan. Therefore, there will be appropriate surplus compressor power.
At present, the energy regulation of air compressors mainly includes intermittent control operation, suction regulation, cylinder unloading, bypass regulation, and stepless speed regulation. Intermittent operation of the air compressor is a common operating mode. If the ambient temperature is higher than the set temperature, the compressor will start running. If the ambient temperature drops below the set temperature, the compressor will stop working. This working method is suitable for situations where the ambient temperature is relatively stable and the load is not large, but in actual use, the ambient temperature is not always constant. Under extreme weather and complex working environments, various production activities can cause changes in cold load, frequent temperature changes, and frequent engine starts and stops, which can result in significant energy waste and also easily damage machine components.
3. The instantaneous current of the generator will spread throughout the power grid, increasing grid fluctuations and affecting the lifespan of the compressor. Therefore, frequency conversion technology has also been more applied in air compressors
Under certain operating conditions, the cooling capacity of the compression mechanism is directly proportional to the mass flow rate. The basic idea of variable frequency regulation is to adjust the mass flow rate by changing the compressor motor speed, thereby changing the total refrigeration capacity of the unit.
So, it is not difficult to see that adding a frequency converter to the air compressor and using the frequency converter to effectively adjust the frequency of the air compressor is very worthwhile, both subjectively and objectively. It not only saves resources to a certain extent, but also improves the efficiency of the air compressor system, which can bring more profits to the enterprise
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