In the previous article Xiaobian to introduce to you"Can a simple air compressor frequency conversion really save energy?？》，那么Inverter transformation of air compressorWhat are the precautions？The precautions for the conversion transformation of air compressor have been sorted out as follows:

Air compressor frequency conversion transformation precautions 1: interference

Some controllers of air compressors have high requirements for system grounding, and if the system is not reliably grounded, it will inevitably cause interference to the detection signal during frequency conversion operation, which I have encountered several times。The control line must be shielded and reliably grounded, preferably separated from the output cable, the inverter cabinet must be reliably grounded, preferably independently grounded, and the air compressor must be reliably grounded, so as to effectively suppress interference。

Attention of air compressor frequency conversion transformation two: motor steering

The rotation of the motor is very important, because the motor inversion causes the cooling oil pump to reverse, that is, there is no cooling oil to cool the pressurized gas when loading, and the cylinder temperature will suddenly rise, and the high temperature will cause the air compressor rotor to expand, so that the rotor and the cylinder block are locked。Therefore, the steering test must be carried out after the completion of the transformation, and the commissioning can only begin after the correct steering。

Precautions for air compressor frequency conversion transformation three: sensor installation

The sensor is installed on the main air supply pipeline, and some air supply systems use check valves at the air outlet of the air compressor。The sensor should be installed behind the check valve, i.e. away from the exhaust port。Otherwise, the pressure of the press drops sharply during unloading, and the frequency of the inverter fluctuates during frequent loading and unloading。

Precautions for air compressor frequency conversion transformation four: multi-machine operation

When the air compressor is running, the alternate working system can be adopted to optimize the system, and the control mode of stopping first is adopted. When the air compressor's gas supply changes, the air compressor is selected to run and the system is optimized to save energy。

Above isBolet air compressorThe related content of air compressor frequency conversion transformation collected by small series hope to help you!