Siemens 7SR51 - Instruments and Meters

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Instruments and Meters

8.1 Introduction 442

8.2 Instruments 443

8.3 Notes 450

Reyrolle 7SR5, Overcurrent Protection Device, Device Manual 441

C53000-G7040-C014-1, Edition 11.2019

Main Page

Preface3
Open Source Software7
Table of Contents9
Introduction21
Basic Structure of the Device Functionality27
Introduction28
Analogue Inputs29
Function Groups and Function Elements31
Device Startup34
Real Time Clock36
Device Functionality41
Device Fascia42
Overview of Functions42
Indications and Instruments44
Reading Indications Using Reydisp48
Device Configuration49
Overview of Functions49
Structure of the Function49
Logic of the Function49
Application and Setting Notes49
Settings Menu56
IEC 61850 Functional Information Mapping58
CT and VT Inputs60
Overview of Functions60
Structure of the Function60
Application and Setting Notes60
Settings Menu64
Binary Inputs65
Overview of Functions65
Structure of the Function65
Logic of the Function66
Application and Setting Notes68
Settings Menu74
IEC 61850 Functional Information Mapping76
Binary Outputs78
Overview of Functions78
Structure of the Function78
Logic of the Function79
Application and Setting Notes82
Settings Menu85
IEC 61850 Functional Information Mapping88
Data Storage95
Demand Data Log95
Waveform Storage113
Fault Storage115
Energy Storage118
Event Log120
Fault Locator121
Data Communications124
Overview of Functions124
Structure of the Function124
Application and Setting Notes125
Settings Menu126
Quick Logic130
Overview of Functions130
Structure of the Function130
Logic of the Function131
Application and Setting Notes131
Settings Menu133
IEC 61850 Functional Information Mapping133
7SR51 Function Templates135
Introduction136
Function Groups and Function Elements137
Function Configuration139
Overview of the Function139
Structure of the Function139
Logic of the Function139
Application and Setting Notes139
Settings Menu139
Information List141
Protection and Automation Functions143
21LB Load Blinder144
Overview of Function144
Structure of the Function144
Logic of the Function144
Application and Setting Notes145
Settings Menu148
Information List149
27 Undervoltage Protection - 3-Phase150
Overview of Function150
Structure of the Function150
Logic of the Function151
Application and Setting Notes151
Settings Menu154
IEC 61850 Functional Information Mapping155
Information List156
27Vx Undervoltage Protection - VX157
Overview of Function157
Structure of the Function157
Logic of the Function158
Application and Setting Notes158
Settings Menu160
IEC 61850 Functional Information Mapping161
Information List162
32 Power Protection163
Overview of Function163
Structure of the Function163
Logic of the Function164
Application and Setting Notes164
Settings Menu166
IEC 61850 Functional Information Mapping166
Information List172
37 Undercurrent Protection - Phase173
Overview of Functions173
Structure of the Function173
Logic of the Function174
Application and Setting Notes174
Settings Menu175
IEC 61850 Functional Information Mapping176
Information List177
Undercurrent Earth Fault - Measured179
Overview of Functions179
Structure of the Function179
Logic of the Function179
Application and Setting Notes179
Settings Menu180
IEC 61850 Functional Information Mapping180
Information List181
46 Negative-Sequence Overcurrent Protection182
Overview of Functions182
Structure of the Function182
Logic of the Function183
Application and Setting Notes183
Settings Menu186
IEC 61850 Functional Information Mapping187
Information List189
46BC Broken Conductor Detection190
Overview of Functions190
Structure of the Function190
Logic of the Function191
Application and Setting Notes191
Settings Menu192
IEC 61850 Functional Information Mapping193
Information List194
47 Sequence Overvoltage Protection195
Overview of Function195
Structure of the Function195
Logic of the Function196
Application and Setting Notes196
Settings Menu198
IEC 61850 Functional Information Mapping199
Information List200
49 Thermal Overload Protection201
Overview of Function201
Structure of the Function201
Logic of the Function202
Application and Setting Notes202
Settings Menu203
IEC 61850 Functional Information Mapping204
Information List205
50 Instantaneous Overcurrent - Phase206
Overview of Functions206
Structure of the Function206
Logic of the Function207
Application and Setting Notes208
Settings Menu211
IEC 61850 Functional Information Mapping212
Information List215
50AFD Arc Flash Detection216
Overview of Functions216
Structure of the Function216
Logic of the Function217
Application and Setting Notes218
Settings Menu218
IEC 61850 Functional Information Mapping219
Information List220
Instantaneous Earth Fault - Measured221
Overview of Functions221
Structure of the Function221
Logic of the Function222
Application and Setting Notes223
Settings Menu225
IEC 61850 Functional Information Mapping226
Information List227
50GS Instantaneous Sensitive Earth Fault - Measured228
Overview of Function228
Structure of the Function228
Logic of the Function229
Application and Setting Notes230
Settings Menu231
IEC 61850 Functional Information Mapping232
Information List233
Instantaneous Earth Fault - Calculated234
Overview of Functions234
Structure of the Function234
Logic of the Function235
Application and Setting Notes236
Settings Menu238
IEC 61850 Functional Information Mapping238
Information List240
50SOTF Switch Onto Fault241
Overview of Functions241
Structure of the Function241
Logic of the Function242
Application and Setting Notes243
Settings Menu244
IEC 61850 Functional Information Mapping244
Information List249
51 Time-Delayed Overcurrent - Phase250
Overview of Function250
Structure of the Function250
Logic of the Function252
Application and Setting Notes253
Settings Menu262
IEC 61850 Functional Information Mapping264
Information List267
Time-Delayed Earth Fault - Measured268
Overview of Functions268
Structure of the Function268
Logic of the Function269
Application and Setting Notes270
Settings Menu274
IEC 61850 Functional Information Mapping275
Information List276
51GS Time-Delayed Sensitive Earth Fault - Measured277
Overview of Function277
Structure of the Function277
Logic of the Function278
Application and Setting Notes279
Settings Menu282
IEC 61850 Functional Information Mapping283
Information List285
Time-Delayed Earth Fault - Calculated286
Overview of Function286
Structure of the Function286
Logic of the Function287
Application and Setting Notes288
Settings Menu291
IEC 61850 Functional Information Mapping292
Information List294
55 Power Factor295
Overview of Functions295
Structure of the Function295
Logic of the Function296
Application and Setting Notes296
Settings Menu299
IEC 61850 Functional Information Mapping299
Information List305
59 Overvoltage Protection - 3 Phase306
Overview of Functions306
Structure of the Function306
Logic of the Function307
Application and Setting Notes307
Settings Menu309
IEC 61850 Functional Information Mapping310
Information List312
Neutral Voltage Displacement313
Overview of Functions313
Structure of the Function313
Logic of the Function314
Application and Setting Notes315
Settings Menu316
IEC 61850 Functional Information Mapping317
Information List319
59Vx Overvoltage Protection - VX320
Overview of Function320
Structure of the Function320
Logic of the Function321
Application and Setting Notes321
Settings Menu322
IEC 61850 Functional Information Mapping322
Information List323
67 Directional Overcurrent/Earth Fault324
Overview of Functions324
Structure of the Function324
Logic of the Function325
Application and Setting Notes326
Settings Menu335
Information List336
78VS Voltage Vector Shift337
Overview of Functions337
Structure of the Function337
Logic of the Function338
Application and Setting Notes338
Settings Menu340
IEC 61850 Functional Information Mapping340
Information List341
81 Frequency Protection - "F>" or "F342
Overview of Functions342
Structure of the Function342
Logic of the Function343
Application and Setting Notes343
Settings Menu346
IEC 61850 Functional Information Mapping346
Information List348
Frequency Protection - "Df/Dt350
Overview of Functions350
Structure of the Function350
Logic of the Function351
Application and Setting Notes351
Settings Menu353
IEC 61850 Functional Information Mapping353
Information List354
87GH Restricted Earth-Fault Protection - High-Impedance355
Overview of Functions355
Structure of the Function355
Logic of the Function355
Application and Setting Notes356
Settings Menu363
IEC 61850 Functional Information Mapping363
Information List364
Supervision Functions367
50BF Circuit-Breaker Failure Protection - 3 Pole368
Overview of Functions368
Structure of the Function368
Logic of the Function369
Application and Setting Notes369
Settings Menu371
IEC 61850 Functional Information Mapping371
Information List372
60CTS CT Supervision374
Overview of Functions374
Structure of the Function374
Logic of the Function375
Application and Setting Notes376
Settings Menu377
Information List378
60VTS VT Supervision379
Overview of Functions379
Structure of the Function379
Logic of the Function380
Application and Setting Notes380
Settings Menu382
Information List382
74CC Close-Circuit Supervision383
Overview of Functions383
Structure of the Function383
Logic of the Function384
Application and Setting Notes384
Settings Menu386
Information List387
74TC Trip-Circuit Supervision388
Overview of Functions388
Structure of the Function388
Logic of the Function389
Application and Setting Notes389
Settings Menu391
Information List392
81HB2 Inrush Current Detection393
Overview of Functions393
Structure of the Function393
Logic of the Function393
Application and Setting Notes393
Settings Menu395
IEC 61850 Functional Information Mapping395
Information List396
Control Functions397
Device Control Functions398
Overview of Functions398
Structure of the Function398
IEC 61850 Functional Information Mapping401
52 Circuit-Breaker Control409
Overview of Function409
Structure of the Function409
Logic of the Function410
Application and Setting Notes411
Settings Menu415
IEC 61850 Functional Information Mapping416
Information List419
79 Automatic Reclosing421
Overview of Functions421
Structure of the Function421
Logic of the Function424
Application and Setting Notes426
Settings Menu433
IEC 61850 Functional Information Mapping437
Information List439
Instruments and Meters441
Introduction442
Instruments443
Notes450
Functional Tests451
General Notes452
Hardware Measurement Tests454
Functional Test for the Phase-Rotation Direction456
Direction Test of the Phase Quantities (Current and Voltage Connection)457
Direction Test of the Earth Quantities for Directional Earth-Fault Functions458
Circuit-Breaker Test461
Primary and Secondary Tests of the Circuit-Breaker Failure Protection462
Restricted Earth Fault Protection463
Protection Functional Tests464
21LB Load Blinder464
27 Undervoltage Protection - 3 Phase465
27Vx Undervoltage Protection - VX466
32 Power Protection467
37 Undercurrent Protection - Phase468
Undercurrent Earth Fault - Measured469
46 Negative Sequence Overcurrent Protection470
46BC Broken Conductor Detection471
47 Sequence Overvoltage Protection472
Thermal Overload Protection473
50/51 Phase Overcurrent474
50AFD Arc Flash Detection476
51G Measured Earth Fault476
50GS/51GS Sensitive Earth Fault479
51N Calculated Earth Fault482
50SOTF Switch Onto Fault485
51CL Cold Load Overcurrent - Phase485
Voltage Dependent Overcurrent - Phase487
55 Power Factor488
59 Overvoltage Protection - 3 Phase489
Neutral Voltage Displacement489
59Vx Overvoltage Protection - VX490
67 Directional Overcurrent - Phase491
67GS/67N Directional Earth Fault493
78VS Voltage Vector Shift494
81 Frequency Protection - "F>" or "F494
Frequency Protection - "Df/Dt495
87GH Restricted Earth Fault Protection - High-Impedance496
Supervision Functions497
50BF Circuit-Breaker Failure Protection - 3 Pole497
60CTS CT Supervision497
60VTS VT Supervision498
74CC/74TC Close/Trip Circuit Supervision499
81HB2 Inrush Current Detection499
Control and Logic Functions500
Automatic Reclosing500
Quick Logic500
Technical Data501
General Device Data503
Instrumentation503
21LB Load Blinder504
Phase Load Blinder (21LB-3P)504
Single Phase Load Blinder (21LB-1P)504
27 Undervoltage Protection - 3-Phase506
Common Settings506
Undervoltage Protection506
27Vx Undervoltage Protection - VX507
Common Settings507
Undervoltage Protection507
32 Power Protection508
37 Undercurrent Protection - Phase509
Common Settings509
Undercurrent Protection509
Undercurrent Earth Fault - Measured510
46 Negative-Sequence Overcurrent Protection511
Definite Time Element (46DT)511
Inverse Time Element (46IT)511
46BC Broken Conductor Detection513
Common Settings513
Broken Conductor Detection513
47 Sequence Overvoltage Protection514
Common Settings514
Overvoltage Protection514
49 Thermal Overload Protection516
50 Instantaneous Overcurrent - Phase519
50AFD Arc Flash Detection520
50GAFD Earth Arc Flash Detection520
50BF Circuit-Breaker Failure Protection - 3 Pole522
50BF-I4 Circuit-Breaker Failure Protection - 3 Pole523
50G Instantaneous Earth Fault - Measured525
50GS Instantaneous Sensitive Earth Fault - Measured526
Instantaneous Earth Fault - Calculated527
51 Time-Delayed Overcurrent - Phase528
51G Time-Delayed Earth Fault - Measured530
51GS Time-Delayed Sensitive Earth Fault - Measured532
51N Time-Delayed Earth Fault - Calculated534
55 Power Factor536
Common Settings536
59 Overvoltage Protection - 3 Phase537
Neutral Voltage Displacement538
Common Settings538
Definite Time Element (59NDT)538
Inverse Time Element (59NIT)538
59Vx Overvoltage Protection - VX540
60CTS-I CT Supervision - Current Reference541
60CTS-V CT Supervision - Voltage Reference542
60VTS VT Supervision543
67 Directional Overcurrent - Phase544
Directional Earth Fault - Measured545
67GS Directional Sensitive Earth Fault - Measured546
Directional Earth Fault - Calculated547
78VS Voltage Vector Shift548
81 Frequency Protection - "F>" or "F549
81HB2 Inrush Current Detection550
Frequency Protection - "Df/Dt551
87GH Restricted Earth-Fault Protection - High-Impedance552
A Appendix553
Ordering Information554
Current Transformer Connections555
Voltage Transformer Connections556

Siemens 7SR51 - Instruments and Meters

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