Siemens SIPROTEC 4 7UT6 Series Manual page 682

Index
transformer data 181
trip 141
Trip 136
trip characteristic 149, 149, 156, 167, 168
tripping characteristic 151
tripping curve 143
tripping times 167
User-defined Characteristics 150, 165
User-Defined Curves 158, 169
Time Overcurrent Protection Earth Current
Characteristics 428
Current Stages 428
Dropout to Pickup Ratios 429
Frequency 429
Inrush Restraint 429
Operating Times 429
Time Overcurrent Protection single-phase
Current Stages 431
Dropout to Pickup Ratios 431
Frequency 431
Operating Times 431
Time Synchronisation 463
Time Synchronisation Interface 350
Time Synchronization Interface 402
topology of the protected object 41
Transformer 31
Current matching 101
saturation voltage 179
Starpoint 102
Transformer protection 119
Transformer saturation 97
transformers
saturation 129
Transformers
Conditioning 409
Frequency 409
Harmonic Restraint 409
Operating Times 409
Rated data 108
Transmission Block 355
Transport Protection 348
Transverse Differential Protection 108, 108
Trip Circuit Monitoring 464
Trip circuit supervision
monitoring criterion 260
Trip Circuit Supervision 259, 261
annunciation 261
minimum voltage drops 260
Trip command 99, 111, 115
annunciations 272
Trip commands
Command duration 251
delay time 252
Trip Commands
Blocking signal 251
Transformer messages 251
Trip release 412
Tripping characteristic 94, 299
682
Tripping current 93
Tripping Logic
Minimum trip command duration 271
Two-stage Breaker Failure Protection 248
Type of Commands 303
Types of coolants 203
U
Übererregungsschutz
Setting Ranges 444
Unbalanced Load Protection 23, 432
characteristics 188, 195
Characteristics 432
Current Stages 432
Definite Time Stages 193
delay times 193
dropout time multiplier 195
Dropout to Pickup Ratios 433
Frequency 433
generators 194
motors 194
Operating Times 433
pickup 188
pickup time multiplier 195
Thermal Tripping Characteristic 196
transformater 194
tripping characteristic 195
tripping time 188
two-phase fault 194
unsymmetrical faults 193
Undervoltage protection 24
Undervoltage Protection 449
Dropout Ratio 235
Pickup Values, Times 234
User Interface 399
V
Vibration and shock during operation 405
Vibration and Shock during Transport 405
Voltage Inputs 396
Voltage measurement 279
Voltage Phase Sequence 257
Voltage sum monitoring 256
Voltage supply 396, 397
Voltage symmetry monitoring 255
Voltages 311
W
Watchdog 254, 255
Web-Monitor 299
C53000-G1176-C230-5, Edition 09.2016
SIPROTEC 4, 7UT6x, Manual