Siemens siprotec 7SD5

Index
695
7SD5 Manual
C53000-G1176-C169-1
Load Range (only for Impedance Pickup) 128
Log buffer 33
Long-term Average Values 431
M
Measured value correction
Double-end fed lines 352
Parallel line 351
Measured Values 569
Measured values constellation 429
Measured voltage failure monitoring 385
Measured voltage failure supervision 389
Measurement value acquisition
Currents 379
Measures for Weak and Zero Infeed 200
Measuring voltage failure 384
Mechanical design 530
Mechanical Tests 528
Memory modules 378
MHO characteristic 150
Pickup 156
Minimum Current 125
Modem 76
Monitoring 78
Monitoring Function 569
Monitoring functions 32
Mounting: Panel Surface Mounting 470
N
Nominal accuracy limit factor 51
Nominal currents 451
Nominal frequency 49
Non-delayed Tripping 256
O
Open Pole Detector 402
Operating Interface 522
Operating polygon 137
Operating polygons 137
Operating time of the circuit breaker 507
Operational accuracy limit factor 51
Operational Event Log Buffer 575
Operational indications 419
Operational measured values 423, 574
Operator interface
Check 471
Optical fibres 473
Ordering Data 582
Oscillographic recording for test 515
Output Relay 416
Overcurrent Pickup 113
Overcurrent pickup
U/I/ϕ pickup 129
U/Ipickup 129
Overcurrent Stage
I
P
(inverse-time) 271
Overcurrent stage
3I
0
> (Definite-time O/C protection) 277
3I
0P
(Inverse-time O/C protection with ANSI
characteristics) 279
3I
0P
(Inverse-time O/C protection with IEC
characteristics) 278
I> (definite-time) 271
I
P
(Inverse-time O/C protection with ANSI
characteristics) 279
I
P
(Inverse-time O/C protection with IEC
characteristics) 278
I
ph
> (Definite-time O/C protection) 277
Overreach Schemes
Distance Protection 182, 540
Overtemperature 376
Overvoltage protection 325
Any single-phase voltage 562
Compounding 327
Negative sequence system U
2
328, 335, 561
Phase-earth 334, 561
Phase-phase 326, 334, 561
Positive sequence system U
1
326, 334, 561
Zero sequence system 335
Zero sequence system 3U
0
329, 562
P
Panel flush mounting 466
Parallel Line Measured Value Correction 123, 127
Parallel Line Mutual Impedance 63
Parallel protection functions 38
Permissive Overreach Transfer Trip (POTT)
Distance Protection 182
Permissive Underreach Transfer Trip with Zone Ac-
celeration Z1B (PUTT) 179
Phase current restraint 227
Phase current stabilization 214
Phase Selection 256
Phase Selector 217
Phase-segregated initiation of the circuit breaker
failure protection 362
Pickup Logic 274
Pickup Logic for the Entire Device 403
Pickup Modes 115
Pilot Wire Comparison 195
Polarity
Current transformers 45
Polarity check 496
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