Siemens Simodrive 611 - Transformers

2 System Configuration
2
05.01
2.8 Line supply connection
2-53
 Siemens AG 2001 All rights reserved
SIMODRIVE 611 Planning Guide (PJU) – 05.01 Edition
2.8.6 Transformers
Matching transformers (auto/isolating transformers) with supply voltages of
3–ph. 220 V AC to 3–ph. 575 V AC, refer to Section 7.
Only one NE module is connected to the matching transformer.
PE
NE module
Line supply
connection/
transformer for
the plant
S
K
- plant = S
K
- line supply
Other loads/
machines
V1U1 1 W
S
K
- line supply
Commutating
reactor
S
K
transformer
Matching trans-
former for the
machine
PE
NE module
V1U1 1 W
Commutating
reactor
Z Z
Fig. 2-13 Connection diagram, matching transformer
Dimensioning the
matching trans-
former for only an
NE module