Advantages of frequency converter air compressor

Advantages of frequency converter air compressor

Energy-saving principle: The variable frequency speed regulation system takes the output pressure as the control object, and is composed of a frequency converter, pressure sensor, and a motor to form a closed-loop constant pressure control system. The working pressure value can be directly set by the operation panel, and the field pressure is detected by the sensor and converted into 4-20mA. The current signal is fed back to the inverter, and the inverter performs comparison calculation through the built-in PID to adjust its output frequency to achieve the purpose of air compressor constant pressure air supply and energy saving. Its advantages are shown in:

1. The starting current is small and there is no impact on the power grid: the frequency converter can make the current of the motor start and load gently rise without any impact; it can make the motor soft stop, avoid the harm caused by the reverse current, and help to extend the use of the equipment life;

　　2. Stable output pressure: After adopting the frequency conversion control system, the pressure of the gas in the gas supply pipeline can be monitored in real time, so that the pressure of the gas in the gas pipeline can be kept constant, and the production efficiency and product quality can be improved;

3. Equipment maintenance is small: the air compressor frequency conversion starting current is small, less than 2 times the rated current, and the loading and unloading valve does not need to be repeated. The frequency conversion air compressor automatically adjusts the motor speed according to the air consumption, the operating frequency is low, the speed is slow, and the bearing wear is small , The service life of the equipment is extended, and the maintenance workload is reduced.

4. Low noise: the frequency conversion provides energy according to the gas demand, without too much energy loss, the motor running frequency is low, and the mechanical rotation noise is therefore reduced. Because the frequency conversion adjusts the motor speed, there is no need to repeatedly load, unload, and frequently load and unload. The noise is gone, the pressure continues to increase, and the noise caused by unstable air pressure also disappears. In a word, after adopting the variable frequency constant pressure control system, not only can a considerable amount of electricity cost be saved, the service life of the compressor can be prolonged, but also the purpose of constant pressure air supply can be realized, and the production efficiency and product quality can be improved.