TECO e510 series - Motor Runs Unbalanced

5-12
5.3.6 Motor runs unbalanced
NO
YES
NO
NO
YES
NO
YES
YES
NO
Does it happen
during eceleration?
Motor runs unbalanced
Is the acceleration
time correct?
Are the output voltages
between U-V,V-W,W-U
balanced?
Is the load fluctuating?
Any mechanical vibration or
gear backlash
Increase the Acc/ Dec time
Reduce the load.Increase
capacities of INV and the motor.
INV faults
Reduce the load fluctuation
or add a flywheel.
Inspect the mechanical
system
INV faults
YES