1. Comparing the energy-saving frequency converter with the traditional one, power saving is the most practical. The industrial control of compressor supplied according to air demand is an economic operation condition. Save electricity costs by more than 20% and recover the invested funds in about half a year.
2. The cost of homework has decreased. The operating cost of traditional compressor consists of three items: initial acquisition cost, maintenance cost and power cost. During this period, the power cost accounts for about 77% of the operating cost of the compressor. Through the reduction of 44.3% of the power cost, coupled with the reduction of the impact on the equipment after frequency conversion start, the amount of maintenance and repair also decreased, so the operating cost will be greatly reduced.
3. Trekking pressure control accuracy, frequency conversion control system has precise pressure control talent, so that the compressor's air pressure output matches the air volume required by the user's air system. The output air volume of the frequency control compressor changes with the change of the motor speed. Because the frequency conversion control motor speed precision trekking, so it can make the system pressure changes in the pipeline network adhere to the +0, 2bar planning, useful trekking the quality of working conditions.
4. Extend the service life of the compressor. The frequency converter starts the compressor from 0 Hz, and its starting acceleration time can be adjusted. Then the impact on the electrical and mechanical parts of the compressor can be reduced, the reliability of the system can be enhanced, and the service life of the compressor can be extended.
5. Reduce the noise of air compressor. According to the working conditions of the compressor, the speed of motor operation is significantly slowed down after the transformation of frequency conversion speed regulation, so the noise of air compressor operation is effectively reduced. Field measurements show that the noise decreases by about 3 to 7 decibels compared with the original system.
6. In addition, the frequency conversion control can reduce the inadequacy of the unit's starting current, which will affect the power consumption of the power grid and other equipment. The frequency converter can effectively reduce the peak value of the starting current to a minimum.
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