Operation Of The Line Connection Components Via An Autotransformer - Siemens SINAMICS S110 Manual

Mains connection and line-side power components
3.9 Line connection variants
3.9.4

Operation of the line connection components via an autotransformer

An autotransformer can be used to adapt the voltage in the range up to 3-phase 480 VAC
+10% or 240 VAC +10%.
Application example:
● The motor insulation must be protected from excessive voltages.
Figure 3-18
64
Auto-transformers
SINAMICS S110
Manual, 07/2015, 6SL3097-4AC10-0BP5