Siemens SIPROTEC 4 7SD80 Manual page 12

Table of Contents
2.2
2.2.1
2.2.1.1
2.2.1.2
2.2.1.3
2.2.2
2.2.2.1
2.2.2.2
2.2.3
2.2.3.1
2.2.3.2
2.2.4
2.2.4.1
2.2.4.2
2.2.5
2.2.5.1
2.2.6
2.2.6.1
2.2.6.2
2.2.7
2.2.7.1
2.2.7.2
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.4
2.4.1
2.4.2
2.4.3
2.4.4
2.4.5
2.4.6
2.5
2.5.1
2.5.2
2.5.3
2.5.4
2.6
2.6.1
2.6.2
2.6.3
2.6.4
2.7
2.7.1
2.7.2
2.7.3
2.7.4
12
Phase Comparison Protection and Ground Differential Protection.......................................48
Differential Topology................................................................................................... 48
Setting Notes......................................................................................................... 48
Settings................................................................................................................. 48
Information List..................................................................................................... 48
Phase Comparison Protection.......................................................................................49
Functional Description........................................................................................... 49
Setting Notes......................................................................................................... 53
Ground Current Differential Protection in Grounded Systems........................................54
Funktionsbeschreibung.......................................................................................... 54
Setting Notes......................................................................................................... 57
Restricted Ground-Fault Protection in Resonant-grounded/Isolated Systems..................58
Funktionsbeschreibung.......................................................................................... 58
Setting Notes......................................................................................................... 61
Differential Protection Pickup Logic and Tripping Logic................................................. 62
Functional Description........................................................................................... 62
87 Differential Protection.............................................................................................63
Settings................................................................................................................. 63
Information List..................................................................................................... 64
Differential Protection Test and Commissioning........................................................... 65
Differential Protection Test..................................................................................... 65
Differential Protection Commissioning....................................................................66
Breaker Intertrip and Remote Tripping............................................................................... 69
Functional Description................................................................................................. 69
Setting Notes...............................................................................................................70
Settings.......................................................................................................................71
Information List........................................................................................................... 71
Backup overcurrent........................................................................................................... 72
Operating Modes.........................................................................................................72
Non-directional Overcurrent Protection........................................................................72
Directional Overcurrent Protection............................................................................... 76
Setting Notes...............................................................................................................82
Settings.......................................................................................................................85
Information List........................................................................................................... 88
InRush Restraint................................................................................................................ 91
Functional Description................................................................................................. 91
Setting Notes...............................................................................................................92
Settings.......................................................................................................................92
Information List........................................................................................................... 93
Circuit Breaker Failure Protection 50BF.............................................................................. 94
Functional Description................................................................................................. 94
Setting Notes.............................................................................................................100
Settings.....................................................................................................................102
Information List......................................................................................................... 103
Thermal Overload Protection 49...................................................................................... 104
Functional Description............................................................................................... 104
Setting Notes.............................................................................................................105
Settings.....................................................................................................................107
Information List......................................................................................................... 107
SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018