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Adjusting Torque Compensation Gain
Normally, there is no need to make this adjustment. Do not adjust the torque compensation gain when using
open-loop vector control.
Adjust the torque compensation gain using V/f control in the following circumstances.
•
If the cable is very long, increase the set value.
•
If the (maximum applicable) motor capacity is smaller than the Drive capacity, increase the set value.
•
If the motor is vibrating, reduce the set value.
Adjust this parameter so that the output current during low-speed rotation does not exceed the Drive rated out-
put current range.
Adjusting the Torque Compensation Primary Delay Time Constant
Set the torque compensation function primary delay in ms.
You can switch the factory settings as follows by changing the control method settings:
•
V/f control without PG: 200ms
•
V/f control with PG: 200ms
•
Open-loop vector control: 20ms
Normally, there is no need to make this setting. Adjust the parameter as shown below.
•
If the motor is vibrating, increase the set value.
•
If the motor response is low, decrease the set value.
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