Siemens SINAMICS G120 Operating Instructions Manual page 284
Low voltage converters
chassis devices with cu240b-2 and cu240e-2
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Also See for SINAMICS G120:
- List manual (1256 pages) ,
- Manual (732 pages) ,
- Operating instructions manual (550 pages)
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Advanced commissioning
6.18 Motor control
Figure 6-47
The inverter boosts the voltage corresponding to the starting currents p1310 ... p1312.
Parameter
p1310
p1311
p1312
You can find more information about this function in the parameter list and in function diagram
6851 of the List Manual.
284
The resulting voltage boost using a linear characteristic as example
Description
Starting current (voltage boost) permanent (factory setting 50%)
Compensates for voltage drops caused by long motor cables and the ohmic losses in
the motor.
After commissioning, depending on the motor power rating and the technological appli‐
cation p0501, the inverter sets p1310.
Starting current (voltage boost) when accelerating (factory setting 0%)
Provides additional torque when the motor accelerates.
After commissioning, depending on the motor power rating and the technological appli‐
cation p0501, the inverter sets p1311.
Starting current (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").
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2017, FW V4.7 SP6, A5E34259001B AD
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