Line Connection Variants; Operation On Different Line System Configurations - Siemens SINAMICS S120 Equipment Manual

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Mains connection and line-side power components

4.8 Line connection variants

4.8
Line connection variants
4.8.1

Operation on different line system configurations

The Power Modules are designed for the following power distribution systems according to
IEC 60364-1.
Note
• At an installation altitude of more than 1000 m, observe the information in Chapter
Current derating (Page 136).
TN system
In a TN system, a point of the generator or the transformer is grounded, normally the neutral
point. The housing of the consumer is also connected with the ground using this cable.
Neutral conductors and protective conductors can be fed separately (N / PE) or together
(PEN).
Figure 4-16
● Power Modules without line filter are permitted to be operated on all TN systems.
● Power Modules with an integrated or external line filter can be operated only in TN
systems with a grounded neutral point.
68
TN system
Manual, 06/2019, 6SL3097-5AL00-0BP1
AC Drive

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