Siemens SINAMICS Series User Manual

Descriptions of functions
10.28 Connecting units in parallel and in series
SINAMICS DCM DC Converter
616 Operating Instructions, 12/2018, A5E34763375A
10.28.5
12-pulse series connection
Note
12-pulse applications
The circuit diagrams in this chapter are block diagrams.
You can find detailed information on interconnecting, dimensioning and parameterizing in the
application document
"12-pulse applications".
Support is also available through our Technical Support organization (for contact address,
see
"Preface (Page 3)").
Topology
The following diagram shows the topology of a 12-pulse series connection of two
SINAMICS DCM.
Figure 10-82 12-pulse series connection (1), block diagram
The following diagram shows the topology of a 12-pulse series connection, where additional
converters are connected in parallel to each of the two 12-pulse converters connected in
series.

Siemens SINAMICS Series Specifications

General

Product Line	SINAMICS
Cooling Method	Air-cooled, Liquid-cooled
Voltage Range	200 V to 690 V
Power Range	0.12kW - 250kW
Communication Interfaces	PROFINET, PROFIBUS, Ethernet
Control Modes	Vector control, V/f control
Protection Class	IP20
Type	Variable Frequency Drives (VFD)