Siemens SINAMICS S120 Function Manual page 260

U/f control (vector control)
5.1 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
Figure 5-3
258
Permanent voltage boost (example: p1300 = 0 and p1310 > 0)
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Drive functions