Motor Runs Unbalanced - TECO L510S Series Instruction Manual

5.3.6 Motor runs unbalanced

Motor runs unevenly
Does it happen
during eceleration?
NO
Are the output voltages
between U-V,V-W,W-U
balanced?
YES
Is the load fluctuating?
NO
Any mechanical vibration or
gear backlash
NO
INV faults
Is the acceleration
YES
time correct?
5-13
NO
Reduce the load.Increase
YES
capacities of INV and the motor.
NO
YES
YES
Increase the Acc/ Dec time
INV faults
Reduce the load fluctuation
or add a flywheel.
Inspect the mechanical
system