Siemens SIPROTEC 4 7SJ61 Manual page 11

2.8
2.8.1
2.8.1.1
2.8.1.2
2.8.1.3
2.8.1.4
2.8.1.5
2.8.1.6
2.8.1.7
2.8.2
2.8.2.1
2.8.2.2
2.8.2.3
2.8.2.4
2.8.3
2.8.3.1
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
2.11.5
2.11.6
2.11.7
2.11.8
2.12
2.12.1
2.12.2
2.12.3
2.12.4
2.13
2.13.1
2.13.2
2.13.3
2.13.4
2.14
2.14.1
SIPROTEC 4, 7SJ61, Manual
C53000-G1140-C210-6, Edition 05.2016
Monitoring Functions......................................................................................................121
Measurement Supervision......................................................................................... 121
General................................................................................................................121
Hardware Monitoring .......................................................................................... 121
Software Monitoring ........................................................................................... 123
Monitoring of the External Transformer Circuits....................................................123
Setting Notes....................................................................................................... 124
Settings............................................................................................................... 125
Information List................................................................................................... 125
Trip Circuit Supervision 74TC..................................................................................... 126
Description.......................................................................................................... 126
Setting Notes....................................................................................................... 128
Settings............................................................................................................... 129
Information List................................................................................................... 129
Malfunction Responses of the Monitoring Functions.................................................. 129
Description.......................................................................................................... 129
Ground Fault Protection 64, 67N(s), 50N(s), 51N(s).........................................................132
Current Elements 50Ns, 51Ns.................................................................................... 132
Logic......................................................................................................................... 132
Setting Notes.............................................................................................................135
Settings.....................................................................................................................138
Information List......................................................................................................... 140
Intermittent Ground Fault Protection...............................................................................141
Description................................................................................................................ 141
Setting Notes.............................................................................................................144
Settings.....................................................................................................................145
Information List......................................................................................................... 145
Automatic Reclosing System 79.......................................................................................147
Program Execution.................................................................................................... 147
Blocking.................................................................................................................... 150
Status Recognition and Monitoring of the Circuit Breaker........................................... 152
Controlling Protection Elements.................................................................................153
Zone Sequencing / Fuse Saving Scheme..................................................................... 155
Setting Notes.............................................................................................................156
Settings.....................................................................................................................161
Information List......................................................................................................... 165
Breaker Failure Protection 50BF....................................................................................... 167
Description................................................................................................................ 167
Setting Notes.............................................................................................................170
Settings.....................................................................................................................172
Information List......................................................................................................... 173
Flexible Protection Functions...........................................................................................174
Functional Description............................................................................................... 174
Setting Notes.............................................................................................................177
Settings.....................................................................................................................180
Information List......................................................................................................... 181
Temperature Detection via RTD Boxes..............................................................................182
Description................................................................................................................ 182
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