Parameterization For 12-Pulse Mode - Siemens SIMOVERT Master Drives 6SE70 Betriebsanleitung

Connection
b) Example of a configuration for 12-pulse mode and parallel connection of units of size K to obtain the
maximum output current
With the following power section arrangement 2 equipment groups of type of construction K operate in 12-
pole operation, in order to achieve the maximum possible output current. The first equipment group
comprises a basic unit configured to act as the "12-pole master", with which 2 parallel units (containing no
CUR electronic card, refer to Chapter 3.7) are connected in parallel. The second equipment group
comprises a basic unit configured to act as the "12-pole slave", with which likewise 2 parallel units are
connected in parallel.
"12-pulse transformer"
Mains
Figure 3.16 Example of a configuration for 12-pulse mode and parallel connection of units of size K to obtain the maximum output
current
3.8.3

Parameterization for 12-pulse mode

In this application, two 6SE70 units (common rectifiers) are coupled via the SST2 serial interface (optional
RS485 interface PTP1) using "Peer-to-Peer" protocol. One unit is parameterized as a 12-pulse master and one
is parameterized as a 12-pulse slave.
Selection of the basic or reserve setting (index i001 or i002) of the appropriate "Source selection parameter"
(P554, P555, ...) is described in Section 4.1.2.
3-24
ENGLISH
Reactor
Basic unit
(12-pulse master)
X117
Reactor
Parallel unit
Reactor
Parallel unit
Reactor
Basic unit
(12-pulse slave)
X117
Reactor
Parallel unit
Reactor
Parallel unit
X27
X28
X27
X28
DC link
X27
X28
X27
X28
Siemens AG
Common Rectifier
09.02
6SE7087-6AK85-0AA0
Operating instructions