SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
413
Index
3
3-phase measuring voltage failure 177
A
AC voltage 283
Analog inputs 282
Asymmetrical measuring voltage failure 176
Automatic Reclosing 317
Automatic reclosing 141
Blocking 143
Initiation 142
Operating modes 142
Automatic reclosing commands 202
Automatic reclosure
3-pole reclose cycle 144
Auxiliary contacts of the circuit breaker 144
Control 146
Multiple 144
Auxiliary voltage 283
B
Binary inputs 284
Binary outputs 284
Block Diagrams 339
Breaker failure protection 108
Breaker intertrip
Receive circuit 75
Remote tripping 76
Transmit circuit 75
Breaking currents 202
Buffer battery 163
C
CB Close Detection 155
CB test 159
Changing Setting Groups 43
Check: Circuit Breaker Failure Protection 270
Check: Switching States of the Binary Inputs and
Outputs 265
Check: System Connections 256
Checking Time Synchronization 259
Checking: User-defined Functions 277
Circuit-Breaker
External tripping 139
Malfunction 106
Position logic 158
Test 39
Trip/close test 278
Circuit-Breaker Position Detection 158
Circuit-Breaker Failure Protection 101, 310
Circuit-breaker monitoring 310
End fault protection 310
Initiation conditions 310
Pole discrepancy supervision 310
Times 310
Climatic stress tests 290
Clock Time Synchronization 329
Command Duration 39
Commissioning aids 329
Communication failure 50
Communication interfaces 285
Configuring the automatic reclose function 149
Consistency
Parameterization 269
Counters and memories 202
Current balance 165
Current inputs 282
D
DC voltage 283
Delay times for 1-element/2-element circuit breaker
failure protection 105
Design 291
Differential current values 206
Differential Protection
Interblocking 61
Operating times 296, 299, 300
Differential protection
Blocking 61
Delay times 296, 299, 300
Pickup values 296, 299, 300
Protection data interfaces 293
Time delays 62
Display of measured values 203
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