Block Diagram - Siemens SIPROTEC 4 7XT7100-0 A00/EE Series Product Information

13

Block Diagram

Fig. 13-1
NOTE
The voltage between terminal 1 and terminal 2 (and to ground) must not exceed AC
300 V.
Non-observance can result in material damage.
✧ Apply suitable protection measures.
38
7XT71
7
U
Steuer
V
Control
9
11
U
Mess
V
Meas
13
8
U
Steuer
V
Control
10
12
U
Mess
V
Meas
14
Block Diagram of Injection Unit 7XT71
18
~
=
17
1
2
SIPROTEC 4/5, Injection Unit 7XT71, Product Information
C53000-B1174-C128-7, Edition 09.2016
DC AC
U (+U ) U (U )
+
H aux L1 a
-U (-U ) U (U )
H aux L2 b