Siemens SINAMICS S120 Function Manual page 268

U/f control (vector control)
6.1 Voltage boost
NOTICE
Overload of the motor winding through excessive voltage boost
If the voltage boost value is too high, this can result in a thermal overload of the motor
winding.
Voltage boost, permanent
V
permanent
Figure 6-3
268
= p0305 (motor rated current x
p0395 (current stator resistance) x
p1310 (permanent voltage boost)
Permanent voltage boost (example: p1300 = 0 and p1310 > 0)
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
Drive functions