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Jingren High end Energy saving Air Compressor

In order to achieve a balance between the exhaust volume of the air compressor and the user's air consumption, the commonly used air volume adjustment methods for ordinary air compressors are intake throttle adjustment, loading/unloading adjustment, etc. Due to the existence of intake throttle causing excessive vacuum and pressure difference loss during loading and unloading, the energy-saving effect of these methods is not ideal.

Later, due to the development of motor frequency conversion control technology, an adjustment method that controls the motor speed emerged. This method can make the power consumption of the air compressor change linearly proportional to the exhaust volume, and is gradually becoming popular. However, this control method has the following drawbacks:

When the speed and load of a regular asynchronous motor are lower than the designed rated point, the efficiency of the motor decreases significantly, and the larger the difference, the more obvious the efficiency decrease. When running at lower frequencies, regular asynchronous motors may have insufficient output torque, causing the frequency converter to experience "motor torque overload" and tripping faults. Regular asynchronous motors may also experience unstable speed, increased vibration noise, and increased heat generation when running at lower frequencies.

Even using current vector control cannot completely eliminate these drawbacks.

The current new control method adopts a permanent magnet motor+dedicated variable frequency drive control method, which has the advantages of high efficiency and can always maintain a high level, constant torque operation at any speed, stable speed, fast response speed to speed changes (the acceleration time from 0 to rated speed is within 50ms, and there is no impulse current), and low noise