Delta VFD-L-I Series, Руководство пользователя

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Chapter 6 Troubleshooting
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VFD-L-I Series
Revision July 2009, SW V1.1 6-5
6.6 Motor Stalls during Acceleration
Motor stalls during
acceleration
Check if acceleration
time is too short
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Increase setting time
Yes
Use special motor?
Reduce load or
increase the capacity
of AC motor drive
Check if the inertia
of the motor and load
is too high
Check for low voltage
at input
Check if the load torque
is too high
Yes
Maybe AC motor drive has
malfunction or misoperation
due to noise. Please contact
DELTA
Increase torque compensation
Check if the torque
compensation is suitable
Thicken or shorten the
wiring between the
motor or AC motor drive
Reduce load or
increase the capacity
of AC motor drive
6.7 The Motor does not Run as Expected
Check Pr. 01-01 thru P r. 01-06
and torque c ompens ation
s ettings
Yes
Yes
Yes
Yes
No
No
No
No
Adjust Pr.01-01 to Pr.01-06
and lower torque compensation
Run in low speed c ontinuously
Is load too large
Please use s pec ific motor
Reduc e load or inc rease the
capacity of AC motor driv e
Check if output voltage of U, V, W
is balanced
Motor has malfunction
Maybe AC motor drive has malfunction or misoperation
due to nois e. Please contac t DELTA.
Motor does not run
as expected