1. Energy saving inverter control compressor compared with traditional control compressor, energy saving is the most practical significance. Industrial control of compressors supplied according to the demand for air volume is an economical operating condition. The electricity cost can be saved by more than 20%, and the invested funds can be recovered in about half a year.
2. Reduced operating costs. The operating cost of traditional compressors consists of three components: initial procurement cost, maintenance cost and energy cost. Energy costs account for about 77% of compressor operating costs. By reducing energy costs by 44.3%, coupled with the reduced impact on equipment after variable frequency starting, the amount of maintenance and repair will also be reduced, so the operating cost will be greatly reduced.
3. Improve the precision of pressure control, frequency conversion control system has accurate pressure control ability, so that the air pressure output of the compressor matches the air volume required by the user's air system. The output gas volume of the inverter control compressor changes with the change of the motor speed. Due to the improved accuracy of the speed of the inverter control motor, it can keep the system pressure change of the pipe network within the range of ±0.2bar, effectively improving the quality of the working condition.
4. Extend the service life of the compressor. The frequency converter starts the compressor from 0Hz, and its starting acceleration time can be adjusted to reduce the impact on the electrical and mechanical parts of the compressor when starting, enhance the reliability of the system, and extend the service life of the compressor.
5. Reduce the noise of the air compressor. According to the working condition requirements of the compressor, after the conversion and speed regulation transformation, the running speed of the motor is significantly slowed down, so the noise of the air compressor is effectively reduced. Field measurements show a noise reduction of about 3 to 7 dB compared to the original system.
6. In addition, frequency conversion control can reduce the current fluctuations when the unit starts, which will affect the power supply of the power grid and other equipment, and the frequency converter can effectively reduce the peak value of the starting current to a minimum.
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