Siemens SINAMICS S120 Manual page 75
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Also See for SINAMICS S120:
- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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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 3-15
● Power Modules without line filter are permitted to be operated on all TN systems.
● Power Modules with integrated or external line filter are permitted to be operated only on
TN systems with a grounded neutral point.
TT system
In a TT system, a point of the generator or the transformer is grounded, normally the neutral
point. The housing of the consumer is connected with the ground using a separate cable.
Figure 3-16
● Power Modules without a line filter can be operated on all TT systems.
● Power Modules with an integrated or external line filter can be operated only in TT
systems with a grounded neutral point.
AC Drive
Manual, (GH6), 07/2016, 6SL3097-4AL00-0BP5
TN system
TT system
Mains connection and line-side power components
3.9 Line connection variants
75
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