Tn Line System - Siemens SINAMICS G120 Operating Instructions Manual
Low voltage converters
built-in and wall mounting units with cu230p-2 control units
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Also See for SINAMICS G120:
- List manual (1256 pages) ,
- Manual (732 pages) ,
- Operating instructions manual (534 pages)
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Installing
4.4 Connecting the line supply and motor
4.4.1
TN line system
A TN line system transfers the PE protective
conductor to the installed plant or system us‐
ing a cable.
Generally, in a TN line system the neutral
point is grounded. There are versions of a TN
system with a grounded line conductor, e.g.
with grounded L1.
A TN line system can transfer the neutral con‐
ductor N and the PE protective conductor ei‐
ther separately or combined.
Inverter operated on a TN line system
● Inverter with integrated or external line filter:
– Operation on TN line systems with grounded neutral point permissible.
– Operation on TN line systems with grounded line conductor not permissible.
● Inverter without line filter:
– Operation on all TN line systems ≤ 600 V permissible
– Operation on TN line systems > 600 V and grounded neutral point permissible.
– Operation on TN line systems > 600 V and grounded line conductor not permissible.
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Converter with the CU230P-2 Control Units
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE
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