Operation Of The Line Connection Components On The Supply Network; Operation Of The Line Connection Components Via An Autotransformer - Siemens SINAMICS S120 Equipment Manual

2.8.2

Operation of the line connection components on the supply network

The SINAMICS S booksize drive system is rated for direct operation on TN, TT, and IT line
supply systems with a rated voltage of 3-ph. 380 V to 3-ph. 480 V AC. Operation with a line
filter is only permitted for a TN line supply.
Figure 2-17
2.8.3

Operation of the line connection components via an autotransformer

An autotransformer can be used for voltage adaptation in the range up to 3-ph. 480 V AC
+10%.
Caution
To ensure safe electrical separation, an isolating transformer must be installed with voltages
greater than 3-ph. 480 V AC +10%.
Equipment Manual for Booksize Power Units
Equipment Manual, (GH2), 03/2006 Edition, 6SL3097-2AC00-0BP3
Direct operation on the line supply
Line Connection Booksize
2.8 Line connection variations
2-31