ABB Switzerland Ltd
R
Generator
Uis
Injection voltage
Fig. 3.5.24.4
Stator ground fault protection for installations
with two star-points
3-248
REG 316*4 1MRB520049-Uen / Rev. F
S
T
S1
N12
N11
REs
Voltage
transformer
RPs
REs-2.Starpt
Switch position to
binary input
Us