Siemens siprotec 7SA6 User Manual page 11

6.9 Time Overcurrent Protection ........................................................................................... 6-141
6.9.1 Method of Operation........................................................................................................ 6-142
6.9.2 Applying the Function Parameter Settings ...................................................................... 6-148
6.9.3 Settings ........................................................................................................................... 6-153
6.9.4 Information Overview....................................................................................................... 6-154
6.10 High-Current Switch-On-To-Fault Protection................................................................... 6-157
6.10.1 Method of Operation........................................................................................................ 6-157
6.10.2 Applying the Function Parameter Settings ...................................................................... 6-158
6.10.3 Settings ........................................................................................................................... 6-158
6.10.4 Information Overview ...................................................................................................... 6-158
6.11 Earth Fault Detection in Non-earthed Systems ............................................................... 6-159
6.11.1 Method of Operation........................................................................................................ 6-159
6.11.2 Applying the Function Parameter Settings ...................................................................... 6-162
6.11.3 Settings ........................................................................................................................... 6-165
6.11.4 Information Overview....................................................................................................... 6-166
6.12 Automatic Reclosure Function......................................................................................... 6-167
6.12.1 Method of Operation........................................................................................................ 6-168
6.12.2 Setting the function parameters....................................................................................... 6-184
6.12.3 Settings ........................................................................................................................... 6-191
6.12.4 Information Overview....................................................................................................... 6-193
6.13 Synchronism and Voltage Check (Dead-line / Dead-bus check)..................................... 6-197
6.13.1 Method of Operation........................................................................................................ 6-197
6.13.2 Applying the Function Parameter Settings ...................................................................... 6-200
6.13.3 Settings ........................................................................................................................... 6-204
6.13.4 Information Overview....................................................................................................... 6-205
6.14 Voltage Protection ........................................................................................................... 6-207
6.14.1 Method of Operation........................................................................................................ 6-207
6.14.1.1 Overvoltage Protection .................................................................................................... 6-207
6.14.1.2 Undervoltage Protection .................................................................................................. 6-211
6.14.2 Applying the Function Parameter Settings ...................................................................... 6-213
6.14.3 Settings ........................................................................................................................... 6-217
6.14.4 Information Overview....................................................................................................... 6-218
6.15 Fault Location .................................................................................................................. 6-222
6.15.1 Method of Operation........................................................................................................ 6-222
6.15.2 Applying the Function Parameter Settings ...................................................................... 6-224
6.15.3 Settings ........................................................................................................................... 6-226
6.15.4 Information Overview....................................................................................................... 6-226
6.16 Circuit Breaker Failure Protection.................................................................................... 6-228
6.16.1 Method of Operation........................................................................................................ 6-228
6.16.2 Applying the Function Parameter Settings ...................................................................... 6-239
6.16.3 Settings ........................................................................................................................... 6-243
6.16.4 Information Overview....................................................................................................... 6-244
7SA6 Manual
C53000-G1176-C133-1
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