Siemens SIPROTEC 4 Manual page 181

[7sj80-aktiv-empf-erdfehler-20061218, 1, en_US]
Figure 2-75
[7sj80-erdfehler-ue-u0-i0-messung-20061206, 1, en_US]
Figure 2-76
SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
Activation of the sensitive ground fault detection for V0/I0-ϕ measurement
Logic diagram during V0-/Ι0 -φ measurement, part 1
2.12 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
Functions
181