Efficient Networks Siemens Sinamics S120 - Manual (Page 174)

Vector V/f control (r0108.2 = 0)
5.3 Slip compensation
Drive Functions
174
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
5.3 Slip compensation
Description
Slip compensation is an additional V/f control function. It ensures that the setpoint speed n
set
of induction motors is maintained at a constant level irrespective of the load (torque M
1
or
M
2
).
Q
VHWS
0
0
0
Q
Figure 5-5 Slip compensation
Overview of key parameters (see SINAMICS S List Manual)
● p1335[0...n] Slip compensation
– p1335 = 0.0 %: slip compensation is deactivated.
– p1335 = 100.0 %: slip is fully compensated.
● p1336[0...n] Slip compensation limit value
● r1337[0...n] Slip compensation actual value