Siemens SIPROTEC 4 Manual page 13

2.7
2.7.1
2.7.2
2.7.3
2.7.4
2.7.5
2.8
2.8.1
2.8.2
2.8.3
2.8.4
2.9
2.9.1
2.9.2
2.9.3
2.9.4
2.10
2.10.1
2.10.2
2.10.3
2.10.4
2.11
2.11.1
2.11.1.1
2.11.1.2
2.11.1.3
2.11.1.4
2.11.1.5
2.11.1.6
2.11.1.7
2.11.1.8
2.11.1.9
2.11.2
2.11.2.1
2.11.2.2
2.11.2.3
2.11.2.4
2.11.3
2.11.3.1
2.12
2.12.1
2.12.2
2.12.3
2.12.3.1
2.12.3.2
2.12.3.3
2.12.4
2.12.5
2.12.6
2.12.7
SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
Negative Sequence Protection 46.................................................................................... 132
Definite Time characteristic .......................................................................................132
Inverse Time characteristic.........................................................................................132
Setting Notes.............................................................................................................135
Settings.....................................................................................................................136
Information List......................................................................................................... 137
Frequency Protection 81 O/U...........................................................................................138
Functional Description............................................................................................... 138
Setting Notes.............................................................................................................139
Settings.....................................................................................................................140
Information List......................................................................................................... 141
Undervoltage-controlled reactive power protection (27/Q)...............................................142
Functional Description............................................................................................... 142
Setting Notes.............................................................................................................144
Settings.....................................................................................................................145
Information List......................................................................................................... 146
Thermal Overload Protection 49...................................................................................... 147
Functional Description............................................................................................... 147
Setting Notes.............................................................................................................149
Settings.....................................................................................................................152
Information List......................................................................................................... 152
Monitoring Functions......................................................................................................154
Measurement Supervision......................................................................................... 154
General................................................................................................................154
Hardware Monitoring .......................................................................................... 154
Software Monitoring ........................................................................................... 156
Monitoring of the Transformer Circuits................................................................. 157
Measurement Voltage Failure Detection............................................................... 158
Broken Wire Monitoring of Voltage Transformer Circuits....................................... 162
Setting Notes....................................................................................................... 163
Settings............................................................................................................... 164
Information List................................................................................................... 165
Trip Circuit Supervision 74TC..................................................................................... 166
Functional Description......................................................................................... 166
Setting Notes....................................................................................................... 169
Settings............................................................................................................... 169
Information List................................................................................................... 170
Malfunction Responses of the Monitoring Functions.................................................. 170
Description.......................................................................................................... 170
Ground Fault Protection 64, 67N(s), 50N(s), 51N(s).........................................................172
Ground Fault Detection for cos-ϕ / sin-ϕ Measurement (Standard Method)..................172
Ground Fault Detection for V0/I0-ϕ Measurement.......................................................178
Extended Ground Fault Protection EPTR/TNP.............................................................. 182
General Information.............................................................................................182
Ground-Fault Protection EPTR - B.......................................................................... 183
Transformer Neutral-Point Protection TNP.............................................................184
Ground Fault Location............................................................................................... 184
Setting Notes.............................................................................................................185
Settings.....................................................................................................................193
Settings EPTR, TNP.....................................................................................................195
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