Offset Of The Voltage Limit Characteristic; Calculating The New Voltage Limiting Characteristic - Siemens SINAMICS S 1PH7 Configuration Manual

4.3

Offset of the voltage limit characteristic

4.3
The characteristics in chapter "P/n and M/n characteristics" refer to the Active Line Module,
U
supply
In order to identify the motor limits with an output voltage other than 425 V, the plotted
voltage limiting characteristic must be shifted accordingly for the new output voltage.

Calculating the new voltage limiting characteristic

Example: Calculating the new voltage limiting characteristic for operation on an SLM, U
output voltage U = 380 V
mot
1PH7 induction motors (Machine tools)
Configuration Manual, (APH7W), 04/2009, 6SN1197-0AD72-0BP0
= 400 V. The output voltage U
Technical data and characteristics
4.3 Offset of the voltage limit characteristic
is 425 V.
mot
= 400 V,
supply
87