Transformers - Siemens SIMODRIVE 611 digital Configuration Manual

Aotewell Ltd
02.07 11.05
05.01
7.2.4
Vector group
© Siemens AG 2008 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) - - 05/2008 Edition
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Transformers

For the assignment of transformers (auto/isolating transformers) with supply
voltages of 3--ph. 220 V AC to 3--ph. 575 V AC to the NE modules, refer to Sec-
tions 7.3.2 to 7.3.4.
S line
K
Line filter
Commutating
reactor
Fig. 7-5 Connection schematic, matching transformer
Suggestion: Dyn0 or Yyn0; this means either a delta or star circuit on the pri-
mary side and star circuit on the secondary side where the neutral point is
brought--out. For the connection, refer to Section 7.2.2.
Note
Switching elements (main switch, contactors) for connecting and disconnecting
the line filter must feature a max. 35 ms delay time between closing and
opening individual main contacts.
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Line supply
connection/
transformer for S plant = S
K
the plant
Additional loads/
machines
For isolating transformer:
Ground the star point!
Matching trans-
former for the S transformer
K
machine
Line filter
≁
Commutating
reactor
U1 V1 W1
PE
NE module
Industry Automation
7 Line Supply Connection
7.2 Voltage matching
line
K
≁
U1 V1 W1
PE
NE module
7-203
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