ABB REG316 4 Series - Page 286

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