Frequency conversion air compressor advantage of permanent magnet

by:Atlas Greenair Screw Air Compressor     2021-01-29
In recent years, the permanent magnet the characteristics of frequency conversion air compressor for its energy-efficient become the hot spot and the highlight of the industry, the market of the original 'electricity eating tigers', namely the energy consumption of the air compressor is gradually replaced by permanent magnet frequency conversion air compressor or replacement, can bring users directly - 20% 40% of the cost savings. Why is the permanent magnet frequency conversion air compressor chance welcomed by the market? At the height of the current permanent magnet frequency conversion compressor in industry get a lot of use, also can not help but reminiscent of power frequency drive air compressor. So, what is the difference between the two? A, 1, due to the frequency of the pressure stabilizing screw air compressor using the stepless speed regulation characteristics of frequency converter, through the inside of the controller or inverter PID regulator, gentle start; For gas fluctuation is bigger, and can quickly adjust the response. 2, compared with the upper and lower switch control running power frequency, pressure stability increase exponentially. Second, no impact on the start 1, because the inverter itself containing the function of soft starter and starting current limit in rated current 1. 2 times of less than, and start the power frequency is in commonly more than 6 times of the rated current, compared to start the impact is very small. 2, the impact is not only to power grid, the impact on the whole mechanical system, and also greatly reduced. Three 1, power frequency and variable flow control driven air compressor can only work in a displacement, frequency conversion air compressor can work in a wide range of displacement. Inverter is based on the actual gas real-time adjust the motor speed, to control the displacement. 2, low gas when auto sleep can also make air compressor, thus greatly reduce the energy loss. 3, optimization of control strategy, can further improve energy saving effect. 4, 1 ac power voltage adaptability is better, because the frequency converter, overmodulation technique in ac power voltage can be output while lower enough torque, driving motor work; Slightly high voltage, also will not lead to high voltage output to the motor. 2, for electricity, variable frequency drive to show its advantage more. 3, according to the characteristics of motor VF ( Frequency conversion air compressor in the state of energy saving are working under rated voltage) For low voltage power grid of the scene, the effect is obvious. Five 1, low noise, frequency conversion system, most of the work under the working condition is lower than the rated speed, the host machine noise and wear, prolong the maintenance and service life. 2, if the fan is driven by frequency conversion, can significantly reduce the compressor noise at work. Frequency and power frequency difference is obvious, the permanent magnet energy-saving advantage and efficiency advantage of frequency conversion air compressor is the essential means to win the market.
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