Siemens siprotec 7SA6 User Manual

xii 7SA6 Manual
C53000-G1176-C156-2
6.12 High-Current Switch-On-To-Fault Protection...................................................................6-178
6.12.1 Method of Operation........................................................................................................ 6-178
6.12.2 Applying the Function Parameter Settings ......................................................................6-179
6.12.3 Settings............................................................................................................................6-179
6.12.4 Information Overview ...................................................................................................... 6-179
6.13 Earth Fault Detection in Non-Earthed Systems...............................................................6-180
6.13.1 Method of Operation........................................................................................................ 6-180
6.13.2 Applying the Function Parameter Settings ......................................................................6-183
6.13.3 Settings............................................................................................................................6-186
6.13.4 Information Overview ...................................................................................................... 6-187
6.14 Automatic Reclosure Function (optional).........................................................................6-188
6.14.1 Method of Operation........................................................................................................ 6-189
6.14.2 Setting the function parameters.......................................................................................6-205
6.14.3 Settings............................................................................................................................6-211
6.14.4 Information Overview.......................................................................................................6-214
6.15 Synchronism and Voltage Check (optional).....................................................................6-217
6.15.1 Method of Operation........................................................................................................ 6-217
6.15.2 Applying the Function Parameter Settings ......................................................................6-220
6.15.3 Settings............................................................................................................................6-224
6.15.4 Information Overview.......................................................................................................6-225
6.16 Voltage Protection (optional) ..........................................................................................6-227
6.16.1 Method of Operation........................................................................................................ 6-227
6.16.1.1 Overvoltage Protection ....................................................................................................6-227
6.16.1.2 Undervoltage Protection ..................................................................................................6-231
6.16.2 Applying the Function Parameter Settings ......................................................................6-234
6.16.3 Settings............................................................................................................................6-237
6.16.4 Information Overview ...................................................................................................... 6-238
6.17 Fault Location..................................................................................................................6-242
6.17.1 Method of Operation........................................................................................................ 6-242
6.17.2 Applying the Function Parameter Settings ......................................................................6-244
6.17.3 Settings ...........................................................................................................................6-246
6.17.4 Information Overview.......................................................................................................6-247
6.18 Circuit Breaker Failure Protection (optional)....................................................................6-248
6.18.1 Method of Operation........................................................................................................ 6-248
6.18.2 Applying the Function Parameter Settings ......................................................................6-259
6.18.3 Settings............................................................................................................................6-263
6.18.4 Information Overview ...................................................................................................... 6-264
6.19 Thermal Overload Protection...........................................................................................6-265
6.19.1 Method of Operation........................................................................................................ 6-265
6.19.2 Applying the Function Parameter Settings ......................................................................6-266
6.19.3 Settings............................................................................................................................6-268
6.19.4 Information Overview ...................................................................................................... 6-268

Siemens siprotec 7SA6 Specifications

General

Brand	Siemens
Model	siprotec 7SA6
Category	Relays
Language	English