Programming Guide | VLT® AutomationDrive FC 360
1-57 Torque Estimation Time Constant
Default value: 150 ms Parameter type: Range (50–1000 ms)
Setup: All setups Conversion index: 0
Data type: Uint16 Change during operation: True
Set the time constant for the torque estimation below model change point in Flux Sensorless.
4.2.7 1-6* Load Depen. Setting
Parameters for adjusting the load-dependent motor settings.
1-60 Low Speed Load Compensation
Default value: 100% Parameter type: Range (0–300%)
Setup: All setups Conversion index: 0
Data type: Int16 Change during operation: True
Enter the low-speed voltage compensation value in percent. This parameter is used for optimizing the low-speed load performance. This
parameter is only active if parameter 1-10 Motor Construction = [0] Asynchron.
1-61 High Speed Load Compensation
Default value: 100% Parameter type: Range (0–300%)
Setup: All setups Conversion index: 0
Data type: Int16 Change during operation: True
Enter the high-speed voltage compensation value in percent. This parameter is used for optimizing the high-speed load performance.
This parameter is only active if parameter 1-10 Motor Construction = [0] Asynchron.
1-62 Slip Compensation
Default value: Size related Parameter type: Range (-400–400%)
Setup: All setups Conversion index: 0
Data type: Int16 Change during operation: True
Enter the % value for slip compensation to compensate for tolerance in the value of n
M, N
. Slip compensation is calculated automatically,
that is, based on the nominal motor speed n
M, N
.
1-63 Slip Compensation Time Constant
Default value: 0.10 s Parameter type: Range (0.05–5.00 s)
Setup: All setups Conversion index: -2
Data type: Uint16 Change during operation: True
Enter the slip compensation reaction speed. A high value results in slow reaction, and a low value results in quick reaction. If low-
frequency resonance problems occur, use a longer time setting.
Danfoss A/S © 2024.01 AU275649936274en-001401 / 130R0507 | 67
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