Mechanical aspects.
(1) poor bearing lubrication, bearing wear.
(2) loose fastening screws.
(3) there are debris in the motor.
Electromagnetic aspects.
(1) electric motor overload operation.
(2) three-phase current imbalance.
(3) phase loss.
(4) stator, rotor winding short-circuit fault.
(5) cage rotor welding part of the open welding caused by broken bars.
Please check from the electric motor manufacturer TELO MOTOR to get more information about electric motor ;
