Siemens 7SC80 Manual page 13

2.6.6
2.6.7
2.7
2.7.1
2.7.2
2.7.3
2.7.4
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
2.9.5
2.10
2.10.1
2.10.2
2.10.3
2.10.4
2.11
2.11.1
2.11.2
2.11.3
2.11.4
2.12
2.12.1
2.12.1.1
2.12.1.2
2.12.1.3
2.12.1.4
2.12.1.5
2.12.1.6
2.12.1.7
2.12.1.8
2.12.1.9
2.12.1.10
2.12.2
2.12.2.1
2.12.2.2
2.12.2.3
2.12.2.4
2.12.3
2.12.3.1
2.13
2.13.1
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017
Settings.....................................................................................................................198
Information List......................................................................................................... 199
47 Negative Phase Sequence Overvoltage....................................................................... 202
Description................................................................................................................ 202
Setting Notes.............................................................................................................202
Settings.....................................................................................................................203
Information List......................................................................................................... 203
27/59 Under/Over Voltage for Vx..................................................................................... 204
Description................................................................................................................ 204
Setting Notes.............................................................................................................205
Settings.....................................................................................................................206
Information List......................................................................................................... 207
Negative Sequence Protection 46.................................................................................... 208
Definite Time characteristic .......................................................................................208
Inverse Time characteristic 46-TOC............................................................................ 208
Setting Notes.............................................................................................................211
Settings.....................................................................................................................213
Information List......................................................................................................... 214
Frequency Protection 81 O/U...........................................................................................215
Description................................................................................................................ 215
Setting Notes.............................................................................................................216
Settings.....................................................................................................................217
Information List......................................................................................................... 218
Thermal Overload Protection 49...................................................................................... 219
Monitoring of the thermal condition, for example at transformers..............................219
Setting Notes.............................................................................................................221
Settings.....................................................................................................................223
Information List......................................................................................................... 224
Monitoring Functions......................................................................................................225
Measurement Supervision......................................................................................... 225
General................................................................................................................225
Hardware Monitoring .......................................................................................... 225
Software Monitoring ........................................................................................... 227
Monitoring of the Transformer Circuits................................................................. 227
Broken Conductor Detection.................................................................................229
Inrush-Current Detection ..................................................................................... 231
Current and Voltage Transformer Monitoring........................................................234
Setting Notes....................................................................................................... 236
Settings............................................................................................................... 240
Information List................................................................................................... 241
Trip Circuit Supervision 74TC..................................................................................... 242
Description.......................................................................................................... 243
Setting Notes....................................................................................................... 245
Settings............................................................................................................... 246
Information List................................................................................................... 246
Malfunction Responses of the Monitoring Functions.................................................. 246
Description.......................................................................................................... 246
Ground Fault Protection 64, 67N(s), 50N(s), 51N(s).........................................................248
Ground Fault Detection for cos-φ-/sin-φ Measurement (Standard Method)................ 248
Table of Contents
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