Siemens SINAMICS G120 Operating Instructions Manual page 71
Low voltage converters, chassis and wall/panel mounted devices with cu230p-2 control units
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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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TT line system
In a TT line system, the transformer grounding and the installation grounding are
independent of one another.
There are TT line supplies where the neutral conductor N is either transferred – or not.
Inverter operated on a TT line system
● Inverter with integrated or external line filter:
– Operation on TT line systems with grounded neutral point permissible.
– Operation on TT line systems without grounded neutral point not permissible.
● Inverter without line filter:
– Operation on all TT line systems permissible.
Examples for Power Modules connected to a TT line supply
Figure 4-9
Converter with CU230P-2 Control Units
Operating Instructions, 04/2015, FW V4.7 SP3, A5E34257946B AB
4.5 Connecting the line supply, motor and converter components
TT line system with neutral conductor N and with grounded neutral point
Installing
71
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