The air compressor energy-saving retrofit is the process of transforming the air compressor equipment, and some functions of the air compressor operating system can not be changed, and the transformation should be carried out under the premise of normal operation of the air compressor equipment, so the air compressor frequency conversion General matters needing attention in the transformation:
1. The air compressor is not allowed to run at low frequency for a long time, and the lower limit of operation should be no less than 20Hz, so the working frequency after the transformation should be set.
2. It is recommended to use a frequency converter with a power rating higher than that of the air compressor to avoid frequent tripping of the air compressor (because the instantaneous starting current of the air compressor is twice the current during normal operation).
3. The designed system should have two sets of control loops, frequency conversion and power frequency, to ensure that the inverter has abnormal jump protection without affecting production.
4. Air compressor energy-saving transformation In order to effectively filter out the high-order harmonic components in the inverter output current and reduce the electromagnetic interference caused by high-order harmonics, the air compressor energy-saving transformation expert Kang Can proposes to select the user's output AC reactance It also reduces the noise of the motor running.
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