Siemens 6SN1123-1AA00-0DA2 Configuration Manual page 208

11.05
05.01
TT line supply
Symmetrical 3–conductor or 4–conductor three–phase line supply with a di-
rectly grounded point. The loads are grounded, e.g. with grounds that are not
electrically connected to the directly grounded point of the line supply.
Connection schematic, TT line supply
with grounded neutral point and
isolating transformer
Line supply/transformer for the factory
Z
Line filter
Commutating
reactor
U1 V1 W1
NE module
Fig. 7-4 TT line supplies connection schematic
© Siemens AG 2012 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) – 02/2012 Edition
L3
L2
L1
PE
N
Isolating
transformer
Line filter
Commutating
reactor
PE
7 Line Supply Connection
7.2 Voltage matching
TT line supply grounded phase conductor
and isolating transformer connection schematic
Line supply/transformer for the factory
N
Isolating
transformer
Z
PE
U1 V1 W1
NE module
L3
L2
L1
PE
7
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