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

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 3AC 480 V +10%.
Caution
To ensure safe electrical separation, an isolating transformer must be installed with voltages
greater than 3AC 480 V +10%.
Applications:
• The motor insulation must be protected from excessive voltages.
• The active line module must provide a stabilized DC link voltage. It can be in the range
Equipment Manuel for Booksize Power Modules
Manual, (GH2), Edition 06.2005, 6SL3097-2AC00-0BP2
380 V to 415 V.
Line Connection Booksize
2.8 Line connection variations
2-35