Siemens 7SC80 Manual page 268

Functions
2.13 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
No. Information
1227 51Ns Pickup
1229 51Ns TRIP
1230 Sens. Gnd block
1264 IEEa =
1265 IEEr =
1266 IEE =
1267 VGND, 3Vo
1271 Sens.Gnd Pickup
1272 Sens. Gnd Ph A
1273 Sens. Gnd Ph B
1274 Sens. Gnd Ph C
1276 SensGnd Forward
1277 SensGnd Reverse
1278 SensGnd undef.
16030 φ(3Vo,INs) =
16034 50Ns-1n.TRrange
16035 50Ns-2n.TRrange
268
Type of Comments
Informa-
tion
OUT 51Ns picked up
OUT 51Ns TRIP
OUT Sensitive ground fault detection BLOCKED
VI Corr. Resistive Earth current
VI Corr. Reactive Earth current
VI Earth current, absolute Value
VI Displacement Voltage VGND, 3Vo
OUT Sensitive Ground fault pick up
OUT Sensitive Ground fault picked up in Ph A
OUT Sensitive Ground fault picked up in Ph B
OUT Sensitive Ground fault picked up in Ph C
OUT Sensitive Gnd fault in forward direction
OUT Sensitive Gnd fault in reverse direction
OUT Sensitive Gnd fault direction undefined
VI Angle between 3Vo and INsens.
OUT 50Ns-1 not in tripping range
OUT 50Ns-2 not in tripping range
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017