Electrical Installation - Siemens SINAMICS S120 Manual

3.1.6

Electrical installation

Operation on non-grounded line supply systems (IT)
It is not permissible to use Power Modules with series line filter in IT line supply systems.
In order that the Power Modules remain functional when ground faults occur, a line reactor
must be connected in series.
AC Drive
Manual, (GH6), 07/2007 Edition, 6SL3097-2AL00-0BP2
3.1 Power Modules Blocksize (PM340)
Power Modules
89