The drive is a three-level voltage DC-link drive.
N9a+]
a
a
1
Circuit-breaker
5 Motor Module (3-level inverter) with IGCT
2
Drive transformer
6 Motor-side voltage/current transformers
3
Basic Line Module
(diode rectifier)
7 High-voltage motor
4
DC link with dry-type capacitors
Figure 3-1
Design of the power unit
3.3.2
Design of the Basic Line Module
In a 12-pulse configuration, the Basic Line Module consists of a rectifier module. In a 24-pulse
configuration, the Basic Line Module comprises two rectifier modules.
Description
3.3 Design
SINAMICS SM150 6SL3845-2NN41-8AD0
30
Operating Instructions Rev.201908010908 EXAMPLE
Summary of Contents for Sinamics SM150 6SL3845-2NN41-8AD0
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