Siemens SINAMICS G120 - Page 254

Setting functions
8.5 Motor control
Inverter with CU230P-2 Control Units
254 Operating Instructions, 11/2013, FW V4.6.6, A5E02430659B AG
You will find more information about this function in the parameter list and in function
diagram 6300 of the List Manual.
You have set the voltage boost.
Parameter
Description
p1310
Permanent voltage boost
(factory setting: 50%)
Compensates voltage drops as a result of long motor cables and the ohmic losses in
the motor.
p1311
Voltage boost when accelerating
(factory setting: 0%)
Provides additional torque when the motor accelerates.
p1312
Voltage boost when starting
(factory setting: 0%)
Provides additional torque, however, only when the motor accelerates for the first time
after it has been switched on ("break loose torque").