Siemens SIPROTEC 7SA6 Manual page 12

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
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7SA6 Manual
C53000-G1176-C156-2