Line System - Siemens SINAMICS G115D Operating Instructions Manual

Wiring
4.2 Permissible line supplies
Converter operated on a TT system
Converter
Frame size
Integrated line filter C2
✓ Operation permissible
4.2.3 IT line system
In an IT system, all of the conductors are insulated with respect to the PE protective
conductor – or connected to the PE protective conductor through an impedance.
There are IT systems with and without transfer of the neutral conductor N.
Converter operated on an IT system
Converter
Frame size
Integrated line filter C2
✓
1)
If the grounding screw has been removed, the converter no longer fulfills the requirements of class
C2.
More information on removing the grounding connection in the converter:
46
Operation permissible once grounding screw has been removed
Removing functional grounding of the converter (Page 47)
Line supply with grounded neutral
A
✓
Line supply with grounded neutral
A
✓
1)
Operating Instructions, 09/2020, FW V4.7 SP13, A5E48681219B
B
✓
B
✓
1)
SINAMICS G115D distributed drive