Siemens SIPROTEC 4 7UT6 Series Manual page 8

Table of Contents
2.2.7
2.2.8
2.2.9
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2.4
2.4.1
2.4.1.1
2.4.1.2
2.4.1.3
2.4.1.4
2.4.1.5
2.4.1.6
2.4.2
2.4.2.1
2.4.2.2
2.4.2.3
2.4.3
2.4.3.1
2.4.3.2
2.4.3.3
2.5
2.5.1
2.5.2
2.5.3
2.5.4
2.5.5
2.5.6
2.5.7
2.5.8
2.5.9
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
2.7.5
2.7.6
8
Setting Notes.............................................................................................................115
Settings.....................................................................................................................121
Information List......................................................................................................... 122
Restricted Earth Fault Protection......................................................................................125
Application Examples.................................................................................................125
Function Description..................................................................................................128
Setting Notes.............................................................................................................133
Settings.....................................................................................................................134
Information List......................................................................................................... 134
Time Overcurrent Protection for Phase and Residual Currents...........................................136
General..................................................................................................................... 136
Definite Time, Instantaneous Overcurrent Protection............................................ 136
Inverse Time Overcurrent Protection.....................................................................140
Manual Close Command.......................................................................................143
Dynamic Cold Load Pickup....................................................................................143
Inrush Restraint....................................................................................................143
Fast Busbar Protection Using Reverse Interlocking.................................................145
Time Overcurrent Protection for Phase Currents......................................................... 146
Setting Notes....................................................................................................... 146
Settings............................................................................................................... 152
Information List................................................................................................... 154
Time Overcurrent Protection for Residual Current.......................................................155
Setting Notes....................................................................................................... 155
Settings............................................................................................................... 159
Information List................................................................................................... 160
Time Overcurrent Protection for Earth Current................................................................. 161
General..................................................................................................................... 161
Definite Time, Instantaneous Overcurrent Protection..................................................161
Inverse Time Overcurrent Protection.......................................................................... 163
Manual Close Command............................................................................................ 165
Dynamic Cold Load Pickup......................................................................................... 165
Inrush Restraint......................................................................................................... 165
Setting Notes.............................................................................................................166
Settings.....................................................................................................................169
Information List......................................................................................................... 171
Dynamic Cold Load Pickup for Time Overcurrent Protection............................................. 172
Functional Description............................................................................................... 172
Setting Notes.............................................................................................................174
Settings.....................................................................................................................175
Information List......................................................................................................... 175
Single-Phase Time Overcurrent Protection....................................................................... 177
Functional Description............................................................................................... 177
High-impedance Differential Protection......................................................................178
Tank Leakage Protection............................................................................................ 180
Setting Notes.............................................................................................................181
Settings.....................................................................................................................185
Information List......................................................................................................... 185
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016