Siemens SINAMICS SM150 - Figure 3-1 Design of the Power Unit

The drive is a three-level voltage DC-link drive.
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1 Line-side voltage converter 6 DC link with dry-type capacitors
2 Circuit-breaker 7 Motor Module (3-level inverter) with IGCT
3 Drive transformer 8 Motor-side voltage/current transformers
4 Line-side current transformers 9 High-voltage motor
5 Active Line Module (3-level inverter)
with IGCT
Figure 3-1 Design of the power unit
Description
3.3 Design
SINAMICS SM150 6SL3845-7NN46-7AA0
32 Operating Instructions 04/2017