Variable frequency air compressor is based on load change

The variable frequency air compressor, like the fan motor water pump, controls the input voltage frequency according to the load change, which can maintain the stability of pressure, flow, temperature and other parameters, thus greatly improving the working performance of the compressor; As one of the four major power sources of air supply equipment, air compressor is widely used in machinery manufacturing, petrochemical industry, food and medicine, electronic manufacturing, transportation infrastructure and other fields. It is one of the most important general equipment. However, many domestic compressor users do not attach great importance to the energy-saving concept of air compressors. They think that as long as the equipment performance is stable and reliable, others are secondary. After the pressure and exhaust volume meet the standards, they often give priority to the purchase price.

The variable frequency air compressor controls the input working voltage frequency according to the load change, which can maintain the stability of the main parameters such as working pressure, flow and temperature, so as to further improve the working characteristics of the air compressor. Variable frequency air compressor has many advantages It can reduce the starting current of the motor, reduce the impact on the customer's power grid, automatically adjust the load to reduce power consumption, reduce consumption, and increase the service life of machinery and equipment; The principle of frequency converter is to rectify and filter the power frequency AC current into a stable DC power supply according to the circuit, and then invert it into an adjustable frequency AC current according to the rectification circuit, and finally output it to the variable frequency motor. Working condition: when the gas consumption is large, the motor speed ratio is high and the steam production is high; When the gas consumption is small in the afternoon, the motor speed ratio is low and the steam production is small.

Since the variable frequency air compressor uses the frequency converter to drive the motor, the frequency converter has the function of soft starting, which replaces the original y-o starting mode, greatly reduces the impact of stable starting current, and simplifies the system wiring. The starting process of the variable frequency air compressor is a ramp acceleration process, so the viscous resistance of cold oil during starting is reduced, and the impact on the whole system, especially the screw compressor, is greatly reduced.