Connection Example - Siemens SIPROTEC 4 7XT71 Mode D'emploi

14

Connection Example

7UM515
or
7UM62
Fig. 14-1
SIPROTEC 4, Injection Unit 7XT71, Product Information
C53000-B1175-C128-1, Edition 01.2014
9
V
Control
7
13
V
Meas
11
Connections for rotor ground fault protection with one 7UM62 (for exci-
tation voltages < 850 V)
Injection Unit
7XT71
18
17
1
R
M
2
Resistor Unit
7XR6004
Earthing of the
Generator Shaft
a b c
39