Optimising the operating behaviour
Slip compensation
6.11
6.11.1

6.11−1
EDSVF9383V EN 7.1−04/2012
6.11 Optimising the operating behaviour
6.11.1 Slip compensation
The speed of an asynchronous machine decreases when being loaded. This
load−dependent speed drop is called slip. By setting C0021 the slip can be
partly compensated.
In the V/f characteristic control mode the slip compensation is only active at
operation without feedback (C0025 = 1).
Codes for parameter setting
Code Possible settings IMPORTANT
No. Name Lenze Selection
C0021 slipcomp à −20.00 {0.01 %} 20.00 Slip compensation
à Change of C0086, C0087 or
C0089 sets C0021 to the
calculated rated slip of the
motor
l When changing over to the
vector control mode, C0021 is
set to 0

6.11−1

8.2−25

8.2−40
C0078 Tn slip CTRL 100 1 {1 ms} 6000 Integral−action time of slip
controller
l Filter time for slip
compensation (C0021)
l Only active with V/f
characteristic control

8.2−25
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