15KW rotary industrial twin screw compressor:
High Efficiency PM Motor with the high performance permanent magnet material.
No motor bearing: permanent magnet rotor is installed directly on the stretch out shaft of male rotor. This structure doesn't have the bearing and eliminates the motor bearing fault.Comparing to normal variable speed motor, the permanent magnet synchroous motor performs with even better energy efficiency. Especially in the low-speed condition, it can still maintain a high motor efficiency.
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