Siemens SINAMICS S120 Function Manual page 300

U/f control (vector control)
7.2 Voltage boost
Example: Voltage boost while accelerating
Voltage boost while accelerating is effective if the ramp-function generators provide the
feedback signal "ramp-up active" (r1199.0 = 1). The following applies in this example:
● p1300 = 0
● p1311 > 0
● V
when accelerating)
298
= P0305 (rated motor current · p0395 (actual stator resistance) · p1311 (voltage
acceleration
Function Manual, 06/2019, 6SL3097-5AB00-0BP2
Drive functions