Siemens 7SC80 - Page 14

2.13.2 Ground Fault Detection for V0/I0-φ Measurement...................................................... 254
2.13.3 Ground Fault Location............................................................................................... 258
2.13.4 Setting Notes.............................................................................................................259
2.13.5 Settings.....................................................................................................................265
2.13.6 Information List.........................................................................................................267
2.14 Automatic Reclosing System 79.......................................................................................269
2.14.1 Program Execution.................................................................................................... 269
2.14.2 Blocking.................................................................................................................... 273
2.14.3 Status Recognition and Monitoring of the Circuit Breaker........................................... 274
2.14.4 Controlling Protection Elements.................................................................................275
2.14.5 Zone Sequencing / Fuse Saving Scheme..................................................................... 277
2.14.6 Setting Notes.............................................................................................................278
2.14.7 Settings.....................................................................................................................283
2.14.8 Information List.........................................................................................................302
2.15 Sectionalizer Function.....................................................................................................304
2.15.1 Functional Description...............................................................................................304
2.15.2 Setting Notes.............................................................................................................306
2.15.3 Settings.....................................................................................................................307
2.15.4 Information List.........................................................................................................308
2.16 Triple Single Mode.......................................................................................................... 309
2.16.1 Overview...................................................................................................................309
2.16.2 Setting Notes.............................................................................................................309
2.16.3 Settings.....................................................................................................................311
2.16.4 Information List.........................................................................................................311
2.17 Fault Locator...................................................................................................................314
2.17.1 Description................................................................................................................314
2.17.2 Setting Notes.............................................................................................................315
2.17.3 Settings.....................................................................................................................316
2.17.4 Information List.........................................................................................................316
2.18 Breaker Failure Protection 50BF.......................................................................................317
2.18.1 Description................................................................................................................317
2.18.2 Setting Notes.............................................................................................................320
2.18.3 Settings.....................................................................................................................321
2.18.4 Information List.........................................................................................................322
2.19 Flexible Protection Functions...........................................................................................323
2.19.1 Description................................................................................................................323
2.19.2 Setting Notes.............................................................................................................329
2.19.3 Settings.....................................................................................................................333
2.19.4 Information List.........................................................................................................335
2.20 Synchrocheck................................................................................................................. 337
2.20.1 General..................................................................................................................... 337
2.20.2 Functional Sequence................................................................................................. 338
2.20.3 De-energized Switching.............................................................................................340
2.20.4 Direct Command / Blocking........................................................................................340
2.20.5 Interaction with Control, Automatic Reclosing and External Control............................341
2.20.6 Setting Notes.............................................................................................................342
Table of Contents
14 SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017