Siemens SIROTEC Engineering Manual

SINAMICS G150
Engineering Information
SINAMICS Engineering Manual – November 2015
Ó Siemens AG
334/528
5.9.5 Overview of SINAMICS G150 parallel converters
The following is a brief overview of the permissible transformer-converter-motor combinations for SINAMICS G150
parallel converters.
6-pulse configuration 6-pulse configuration 12-pulse configuration 12-pulse configuration
Line reactors essential;
Symmetrical power cabling
Line reactors essential;
Symmetrical power cabling
Decoupling by three-
winding transformer;
Symmetrical power cabling
Decoupling by three-
winding transformer;
Symmetrical power cabling
DC links of the parallel-
connected power units are
coupled
DC links of the parallel-
connected power units are
coupled
DC links of the parallel-
connected power units are
coupled
DC links of the parallel-
connected power units are
coupled
Three-phase motor with
separate windings
Three-phase motor with
one common winding
Three-phase motor with
separate windings
Three-phase motor with
one common winding
No decoupling measures
required at the converter
output if the number of
winding systems exactly
matches the number of
inverters.
Otherwise:
Note specifications for
minimum cable length or
use motor reactors or filters.
Note specifications for
symmetrical power cabling
The outputs of the parallel-
connected inverters are
connected to a motor with
one common winding.
Note specifications for
minimum cable length or
use motor reactors or filters.
Note specifications for
symmetrical power cabling
No decoupling measures
required at the converter
output if the number of
winding systems exactly
matches the number of
inverters.
Otherwise:
Note specifications for
minimum cable length or
use motor reactors or filters.
Note specifications for
symmetrical power cabling
The outputs of the parallel-
connected inverters are
connected to a motor with
one common winding.
Note specifications for
minimum cable length or
use motor reactors or filters.
Note specifications for
symmetrical power cabling
Control by SVM + PEM Control by SVM + PEM Control by SVM + PEM Control by SVM + PEM
Maximum motor voltage
related to the line voltage
97 %
Maximum motor voltage
related to the line voltage
97 %
Maximum motor voltage
related to the line voltage
97 %
Maximum motor voltage
related to the line voltage
97 %
Brief overview of SINAMICS G150 parallel converters with Control Interface Module CIM and CU320-2 Control Unit with
firmware version 4.3 or higher

Siemens SIROTEC Specifications

General

Brand	Siemens
Model	SIROTEC
Category	DC Drives
Language	English