Siemens SIPROTEC 7UT613 series Manual page 638

Index
Time Grading Schedule of the Network 164
Time Overcurrent Protection
Characteristics 174
Cold Load Pickup 158, 175, 187
Earth Current 25, 453
Inrush Restraint 159
Phase Currents 24, 442
Pickup 182
Residual Currents 442
Reverse Interlocking 160
Time Multiplier 174
User-specific Characteristics 175
Zero Sequence Current 24
Time Overcurrent Protection Earth Current
Characteristics 453
Time Synchronisation Interface 375, 429
Topology of the Protected Object 46
Transformer
Current Matching 113
Rated Data 121
Saturation 142
Starpoint 115
Transformer Differential Protection 123
Transformer Protection 133
Transformers 37
Conditioning 436
Frequency 436
Operating Time 436
Restraint 436
Transmission Block 380
Transmission of Measured Values 303
Transport Protection 373
Transverse Differential Protection 121, 121
Trip Circuit Supervision 288, 291
Fault Indication 290
Minimum Voltage Drop 289
Supervision Criterion 289
Trip circuit supervision 490
Trip Command 111, 124
Indications 296
Trip Signal 129
Tripping Characteristic 327
Tripping Current 106
Tripping Logic
Minimum Trip Command Duration 295
Tripping Zone 107
Two-stage Breaker Failure Protection 273
Type of Commands 332
638
U
Unbalanced Load Protection 25, 457
Characteristics 207, 457
Current Stages 457
Delay Times 213
Dropout to Pickup Ratios 458
Operating Times 458
Transformer 214
Two-pole Fault 213
Undervoltage Protection 26, 474
Dropout Ratio 257
Pickup Values, Times 256
V
Vibration and shock during operation 432
Vibration and Shock during Transport 432
Voltage Inputs 422, 422
Voltage Limitation 200
Voltage Measurement 304
Voltage Phase Sequence 282
Voltage Sum Monitoring 282
Voltage Symmetry Monitoring 281
W
Warning Stage 221
Warning Stages 228
Watchdog 280, 280
Web Monitor 327, 327
Z
Zero Current 122, 122
Zero Sequence Current 143
7UT613/63x Manual
C53000-G1176-C160-2