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Synchronisation 29
Synchronism Check 618
ΔUMeasurement 618
Synchronism check 348
Asynchronous power conditions 618
Operating modes 618
Synchronous power conditions 618
Voltages 618
Synchronism conditions for automatic reclosure 356
Synchronism conditions for manual closure and control
command 356
Synchronization 34
System Connections
Checking 529
System Interface 576
System Power Swing 596
System starpoint 48
T
Teleprotection 187
with earth fault protection 243
Teleprotection schemes 187
Temperatures 582
Terminating interfaces with bus capability 502
Termination 520, 526
Test in Command Direction 534
Test Mode 532
Test:
Binary Inputs 537
Check:Blocking Scheme (Earth-fault Protection) 563
Circuit Breaker Failure Protection 545
Directional Blocking Scheme 561
Indication Direction 534
LEDs 537
Output Relays 536
Permissive Schemes (Earth-fault Protection) 562
Pilot Wire Comparison 559
Reverse Interlocking 560
Signal Transmission (Breaker-failure Protection/Stub-
fault protection) 564
Signal Transmission (Earth Fault Protection) 562
Signal Transmission (int., ext. Remote Tripping) 564
Switching States of the Binary Inputs/Outputs 535
Switching the Configured Resources 565
System Interface 533
Tripping and Closing with the Circuit Breaker 565
Testing:
User-defined Functions 564
Thermal Overload Protection 626
Tripping Characteristic 626
Three-phase measuring voltage failure 436
Three-pole coupling 66
Time constant τ 416
Time Overcurrent Protection 31, 614
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
High-set Current Stages 614
Overcurrent Stages 615
Time overcurrent protection 25
Characteristics 614
Time Synchronisation Interface 532
Time synchronisation interface 527, 579
Time synchronization 90
Topology exploration 287
Transformer
Satturation range 266
Transformer data 45
Transformers
Conditioning 589
Transient Blocking 210, 259
Transient blocking 214
Transient blocking (EF) 262
Transmission Block 532
Transmission channels 188
Transmission statistics 471
Trip circuit monitoring 628
Trip Circuit Supervision 498
Trip command duration 49
Trip with delay 282
Tripping characteristic 163
Tripping logic 180, 307
Tripping Logic of the Entire Device 452
Tripping zones 168
Trips 470
Two-stage circuit breaker failure protection 408
Type of Commands 486
Type of Contact for Output Relays 502
U
Unblocking scheme 199
Underreach schemes
Distance protection 597
Undervoltage Protection
Positive Sequence SystemU
Undervoltage protection
Phase-earth 368, 621
Phase-phase 370, 622
Phase-to-earth 374
Phase-to-phase 375
Positive sequence system U
Positive sequence systemU
User-defined Functions 630
V
Vibration and Shock Resistance during Stationary
Operation 581
Vibration and Shock Resistance during Transport 581
Voltage Check 618
Index
622
1
375
1
370
1
775
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