2026-04-10Views：
Screw air compressor host imbalance may have the following reasons:
power supply problems: unbalanced voltage or large fluctuations in power supply, and poor contact of a certain phase of the contactor may cause the host to be unbalanced. Check whether the three-phase voltage is balanced. If the voltage is unbalanced, it will directly cause the current imbalance fault.
Motor problems: The motor current is unbalanced, there is a problem with the motor winding or rotor, the internal loss of the motor is too large, and the bearing wear may also cause the host to be unbalanced. It can be judged by checking whether the three-phase winding of the motor is normal.
Controller or current transformer failure: The controller or current transformer failure may also cause the screw air compressor host to be unbalanced. It is necessary to check whether the controller and current transformer are normal.
Wiring problems: loose wiring or wire not tight may also lead to air compressor host imbalance. Need to check the power supply, wiring port is loose.
If the screw air compressor has an unbalanced failure of the main engine, it can be judged and processed through the above points. If you cannot solve the problem, it is recommended to contact professional maintenance personnel for maintenance.
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Q: Oil-free air compressor is really oil-free? Answer: Water-lubricated air compressor is really oil-free. Use pure water to lubricate the compressed air to prevent oil from mixing into the compressed air, thereby avoiding pollution to the post-processing equipment. Using Shanghai Granklin Group
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