Siemens SIPROTEC 4 7VK61 Manual page 360

Index
Symmetry monitoring 142
Synchro check 83
Synchro Check 243
Δ measurement 243
Asynchronous power conditions 243
Operating Modes 243
Synchronous power conditions 243
Voltages 243
Synchronism conditions for automatic reclosure 91
Synchronism conditions for manual closure and control
command 91
System Interface 228
T
Temperatures 233
Terminal Assignments 266
Terminating interfaces with bus capability 183
Termination 204
Test
Circuit-breaker failure protection 213
Test Mode 209
Test:
Binary inputs 213
Current and voltage connection 215
Indication Direction 211
LEDs 213
Operator Interface 203
Output relay 212
Phase Rotation 216
Polarity Check for the Current Input I 219
Service Interface 203
Signal transmission (Breaker Failure Protection /End
Fault Protection) 220
Switching states of the binary Inputs/Outputs 211
System interface 209
Termination 204
Time Synchronization Interface 204
User Defined Functions 220
VT miniature circuit breaker 216
Test: System interface 203
Test:Command Direction 211
Three-phase measuring voltage failure 142
Time Overcurrent Protection
Characteristic Curves 236
High-set Current Stages 239
Operating Modes 236
Overcurrent Stages 240
Stub Fault Protection 241
Time Synchronisation Interface 231
Time Synchronization Interface 204
Transfer trip to the remote end circuit breaker 124
Transmission Block 209
Trip Circuit Supervision 180, 249
Trip command duration 35
Trip-Dependent Indications 28
Tripping Logic of the Entire Device 155
360
Trips 164
Two-stage circuit breaker failure protection 126
Type of Commands 169
Type of Contact for Output Relays 183
U
Under and over voltage protection 244
Undervoltage
positive sequence system 105
Undervoltage protection
Phase to-phase 245
phase-to-earth 109
Phase-to-earth 102, 245
phase-to-phase 109
Phase-to-phase 104
positive sequence system 110
Positive sequence system 245
User-defined Functions 250
V
Vibration and Shock Resistance during Stationary Opera-
tion 233
Vibration and Shock Resistance during Transport 233
Voltage Inputs 226
Voltage measuring inputs 32
Voltage Phase Sequence 134
Voltage Symmetry 134
W
Watchdog 133
Z
Zero-voltage stages for single-phase voltage 102
C53000-G1176-C159-5, Edition 05.2018
SIPROTEC 4, 7VK61, Manual