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7SR51
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Siemens 7SR51 - Control Functions
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Control Functions
7.1
Device Control Functions
398
7.2
52 Circuit-Breaker Control
409
7.3
79 Automatic Reclosing
421
7
Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
397
C53000-G7040-C014-1, Edition 11.2019
396
398
Table of Contents
Main Page
Preface
3
Open Source Software
7
Table of Contents
9
Introduction
21
Basic Structure of the Device Functionality
27
Introduction
28
Analogue Inputs
29
Function Groups and Function Elements
31
Device Startup
34
Real Time Clock
36
Device Functionality
41
Device Fascia
42
Overview of Functions
42
Indications and Instruments
44
Reading Indications Using Reydisp
48
Device Configuration
49
Overview of Functions
49
Structure of the Function
49
Logic of the Function
49
Application and Setting Notes
49
Settings Menu
56
IEC 61850 Functional Information Mapping
58
CT and VT Inputs
60
Overview of Functions
60
Structure of the Function
60
Application and Setting Notes
60
Settings Menu
64
Binary Inputs
65
Overview of Functions
65
Structure of the Function
65
Logic of the Function
66
Application and Setting Notes
68
Settings Menu
74
IEC 61850 Functional Information Mapping
76
Binary Outputs
78
Overview of Functions
78
Structure of the Function
78
Logic of the Function
79
Application and Setting Notes
82
Settings Menu
85
IEC 61850 Functional Information Mapping
88
Data Storage
95
Demand Data Log
95
Waveform Storage
113
Fault Storage
115
Energy Storage
118
Event Log
120
Fault Locator
121
Data Communications
124
Overview of Functions
124
Structure of the Function
124
Application and Setting Notes
125
Settings Menu
126
Quick Logic
130
Overview of Functions
130
Structure of the Function
130
Logic of the Function
131
Application and Setting Notes
131
Settings Menu
133
IEC 61850 Functional Information Mapping
133
7SR51 Function Templates
135
Introduction
136
Function Groups and Function Elements
137
Function Configuration
139
Overview of the Function
139
Structure of the Function
139
Logic of the Function
139
Application and Setting Notes
139
Settings Menu
139
Information List
141
Protection and Automation Functions
143
21LB Load Blinder
144
Overview of Function
144
Structure of the Function
144
Logic of the Function
144
Application and Setting Notes
145
Settings Menu
148
Information List
149
27 Undervoltage Protection - 3-Phase
150
Overview of Function
150
Structure of the Function
150
Logic of the Function
151
Application and Setting Notes
151
Settings Menu
154
IEC 61850 Functional Information Mapping
155
Information List
156
27Vx Undervoltage Protection - VX
157
Overview of Function
157
Structure of the Function
157
Logic of the Function
158
Application and Setting Notes
158
Settings Menu
160
IEC 61850 Functional Information Mapping
161
Information List
162
32 Power Protection
163
Overview of Function
163
Structure of the Function
163
Logic of the Function
164
Application and Setting Notes
164
Settings Menu
166
IEC 61850 Functional Information Mapping
166
Information List
172
37 Undercurrent Protection - Phase
173
Overview of Functions
173
Structure of the Function
173
Logic of the Function
174
Application and Setting Notes
174
Settings Menu
175
IEC 61850 Functional Information Mapping
176
Information List
177
Undercurrent Earth Fault - Measured
179
Overview of Functions
179
Structure of the Function
179
Logic of the Function
179
Application and Setting Notes
179
Settings Menu
180
IEC 61850 Functional Information Mapping
180
Information List
181
46 Negative-Sequence Overcurrent Protection
182
Overview of Functions
182
Structure of the Function
182
Logic of the Function
183
Application and Setting Notes
183
Settings Menu
186
IEC 61850 Functional Information Mapping
187
Information List
189
46BC Broken Conductor Detection
190
Overview of Functions
190
Structure of the Function
190
Logic of the Function
191
Application and Setting Notes
191
Settings Menu
192
IEC 61850 Functional Information Mapping
193
Information List
194
47 Sequence Overvoltage Protection
195
Overview of Function
195
Structure of the Function
195
Logic of the Function
196
Application and Setting Notes
196
Settings Menu
198
IEC 61850 Functional Information Mapping
199
Information List
200
49 Thermal Overload Protection
201
Overview of Function
201
Structure of the Function
201
Logic of the Function
202
Application and Setting Notes
202
Settings Menu
203
IEC 61850 Functional Information Mapping
204
Information List
205
50 Instantaneous Overcurrent - Phase
206
Overview of Functions
206
Structure of the Function
206
Logic of the Function
207
Application and Setting Notes
208
Settings Menu
211
IEC 61850 Functional Information Mapping
212
Information List
215
50AFD Arc Flash Detection
216
Overview of Functions
216
Structure of the Function
216
Logic of the Function
217
Application and Setting Notes
218
Settings Menu
218
IEC 61850 Functional Information Mapping
219
Information List
220
Instantaneous Earth Fault - Measured
221
Overview of Functions
221
Structure of the Function
221
Logic of the Function
222
Application and Setting Notes
223
Settings Menu
225
IEC 61850 Functional Information Mapping
226
Information List
227
50GS Instantaneous Sensitive Earth Fault - Measured
228
Overview of Function
228
Structure of the Function
228
Logic of the Function
229
Application and Setting Notes
230
Settings Menu
231
IEC 61850 Functional Information Mapping
232
Information List
233
Instantaneous Earth Fault - Calculated
234
Overview of Functions
234
Structure of the Function
234
Logic of the Function
235
Application and Setting Notes
236
Settings Menu
238
IEC 61850 Functional Information Mapping
238
Information List
240
50SOTF Switch Onto Fault
241
Overview of Functions
241
Structure of the Function
241
Logic of the Function
242
Application and Setting Notes
243
Settings Menu
244
IEC 61850 Functional Information Mapping
244
Information List
249
51 Time-Delayed Overcurrent - Phase
250
Overview of Function
250
Structure of the Function
250
Logic of the Function
252
Application and Setting Notes
253
Settings Menu
262
IEC 61850 Functional Information Mapping
264
Information List
267
Time-Delayed Earth Fault - Measured
268
Overview of Functions
268
Structure of the Function
268
Logic of the Function
269
Application and Setting Notes
270
Settings Menu
274
IEC 61850 Functional Information Mapping
275
Information List
276
51GS Time-Delayed Sensitive Earth Fault - Measured
277
Overview of Function
277
Structure of the Function
277
Logic of the Function
278
Application and Setting Notes
279
Settings Menu
282
IEC 61850 Functional Information Mapping
283
Information List
285
Time-Delayed Earth Fault - Calculated
286
Overview of Function
286
Structure of the Function
286
Logic of the Function
287
Application and Setting Notes
288
Settings Menu
291
IEC 61850 Functional Information Mapping
292
Information List
294
55 Power Factor
295
Overview of Functions
295
Structure of the Function
295
Logic of the Function
296
Application and Setting Notes
296
Settings Menu
299
IEC 61850 Functional Information Mapping
299
Information List
305
59 Overvoltage Protection - 3 Phase
306
Overview of Functions
306
Structure of the Function
306
Logic of the Function
307
Application and Setting Notes
307
Settings Menu
309
IEC 61850 Functional Information Mapping
310
Information List
312
Neutral Voltage Displacement
313
Overview of Functions
313
Structure of the Function
313
Logic of the Function
314
Application and Setting Notes
315
Settings Menu
316
IEC 61850 Functional Information Mapping
317
Information List
319
59Vx Overvoltage Protection - VX
320
Overview of Function
320
Structure of the Function
320
Logic of the Function
321
Application and Setting Notes
321
Settings Menu
322
IEC 61850 Functional Information Mapping
322
Information List
323
67 Directional Overcurrent/Earth Fault
324
Overview of Functions
324
Structure of the Function
324
Logic of the Function
325
Application and Setting Notes
326
Settings Menu
335
Information List
336
78VS Voltage Vector Shift
337
Overview of Functions
337
Structure of the Function
337
Logic of the Function
338
Application and Setting Notes
338
Settings Menu
340
IEC 61850 Functional Information Mapping
340
Information List
341
81 Frequency Protection - "F>" or "F
342
Overview of Functions
342
Structure of the Function
342
Logic of the Function
343
Application and Setting Notes
343
Settings Menu
346
IEC 61850 Functional Information Mapping
346
Information List
348
Frequency Protection - "Df/Dt
350
Overview of Functions
350
Structure of the Function
350
Logic of the Function
351
Application and Setting Notes
351
Settings Menu
353
IEC 61850 Functional Information Mapping
353
Information List
354
87GH Restricted Earth-Fault Protection - High-Impedance
355
Overview of Functions
355
Structure of the Function
355
Logic of the Function
355
Application and Setting Notes
356
Settings Menu
363
IEC 61850 Functional Information Mapping
363
Information List
364
Supervision Functions
367
50BF Circuit-Breaker Failure Protection - 3 Pole
368
Overview of Functions
368
Structure of the Function
368
Logic of the Function
369
Application and Setting Notes
369
Settings Menu
371
IEC 61850 Functional Information Mapping
371
Information List
372
60CTS CT Supervision
374
Overview of Functions
374
Structure of the Function
374
Logic of the Function
375
Application and Setting Notes
376
Settings Menu
377
Information List
378
60VTS VT Supervision
379
Overview of Functions
379
Structure of the Function
379
Logic of the Function
380
Application and Setting Notes
380
Settings Menu
382
Information List
382
74CC Close-Circuit Supervision
383
Overview of Functions
383
Structure of the Function
383
Logic of the Function
384
Application and Setting Notes
384
Settings Menu
386
Information List
387
74TC Trip-Circuit Supervision
388
Overview of Functions
388
Structure of the Function
388
Logic of the Function
389
Application and Setting Notes
389
Settings Menu
391
Information List
392
81HB2 Inrush Current Detection
393
Overview of Functions
393
Structure of the Function
393
Logic of the Function
393
Application and Setting Notes
393
Settings Menu
395
IEC 61850 Functional Information Mapping
395
Information List
396
Control Functions
397
Device Control Functions
398
Overview of Functions
398
Structure of the Function
398
IEC 61850 Functional Information Mapping
401
52 Circuit-Breaker Control
409
Overview of Function
409
Structure of the Function
409
Logic of the Function
410
Application and Setting Notes
411
Settings Menu
415
IEC 61850 Functional Information Mapping
416
Information List
419
79 Automatic Reclosing
421
Overview of Functions
421
Structure of the Function
421
Logic of the Function
424
Application and Setting Notes
426
Settings Menu
433
IEC 61850 Functional Information Mapping
437
Information List
439
Instruments and Meters
441
Introduction
442
Instruments
443
Notes
450
Functional Tests
451
General Notes
452
Hardware Measurement Tests
454
Functional Test for the Phase-Rotation Direction
456
Direction Test of the Phase Quantities (Current and Voltage Connection)
457
Direction Test of the Earth Quantities for Directional Earth-Fault Functions
458
Circuit-Breaker Test
461
Primary and Secondary Tests of the Circuit-Breaker Failure Protection
462
Restricted Earth Fault Protection
463
Protection Functional Tests
464
21LB Load Blinder
464
27 Undervoltage Protection - 3 Phase
465
27Vx Undervoltage Protection - VX
466
32 Power Protection
467
37 Undercurrent Protection - Phase
468
Undercurrent Earth Fault - Measured
469
46 Negative Sequence Overcurrent Protection
470
46BC Broken Conductor Detection
471
47 Sequence Overvoltage Protection
472
Thermal Overload Protection
473
50/51 Phase Overcurrent
474
50AFD Arc Flash Detection
476
51G Measured Earth Fault
476
50GS/51GS Sensitive Earth Fault
479
51N Calculated Earth Fault
482
50SOTF Switch Onto Fault
485
51CL Cold Load Overcurrent - Phase
485
Voltage Dependent Overcurrent - Phase
487
55 Power Factor
488
59 Overvoltage Protection - 3 Phase
489
Neutral Voltage Displacement
489
59Vx Overvoltage Protection - VX
490
67 Directional Overcurrent - Phase
491
67GS/67N Directional Earth Fault
493
78VS Voltage Vector Shift
494
81 Frequency Protection - "F>" or "F
494
Frequency Protection - "Df/Dt
495
87GH Restricted Earth Fault Protection - High-Impedance
496
Supervision Functions
497
50BF Circuit-Breaker Failure Protection - 3 Pole
497
60CTS CT Supervision
497
60VTS VT Supervision
498
74CC/74TC Close/Trip Circuit Supervision
499
81HB2 Inrush Current Detection
499
Control and Logic Functions
500
Automatic Reclosing
500
Quick Logic
500
Technical Data
501
General Device Data
503
Instrumentation
503
21LB Load Blinder
504
Phase Load Blinder (21LB-3P)
504
Single Phase Load Blinder (21LB-1P)
504
27 Undervoltage Protection - 3-Phase
506
Common Settings
506
Undervoltage Protection
506
27Vx Undervoltage Protection - VX
507
Common Settings
507
Undervoltage Protection
507
32 Power Protection
508
37 Undercurrent Protection - Phase
509
Common Settings
509
Undercurrent Protection
509
Undercurrent Earth Fault - Measured
510
46 Negative-Sequence Overcurrent Protection
511
Definite Time Element (46DT)
511
Inverse Time Element (46IT)
511
46BC Broken Conductor Detection
513
Common Settings
513
Broken Conductor Detection
513
47 Sequence Overvoltage Protection
514
Common Settings
514
Overvoltage Protection
514
49 Thermal Overload Protection
516
50 Instantaneous Overcurrent - Phase
519
50AFD Arc Flash Detection
520
50GAFD Earth Arc Flash Detection
520
50BF Circuit-Breaker Failure Protection - 3 Pole
522
50BF-I4 Circuit-Breaker Failure Protection - 3 Pole
523
50G Instantaneous Earth Fault - Measured
525
50GS Instantaneous Sensitive Earth Fault - Measured
526
Instantaneous Earth Fault - Calculated
527
51 Time-Delayed Overcurrent - Phase
528
51G Time-Delayed Earth Fault - Measured
530
51GS Time-Delayed Sensitive Earth Fault - Measured
532
51N Time-Delayed Earth Fault - Calculated
534
55 Power Factor
536
Common Settings
536
59 Overvoltage Protection - 3 Phase
537
Neutral Voltage Displacement
538
Common Settings
538
Definite Time Element (59NDT)
538
Inverse Time Element (59NIT)
538
59Vx Overvoltage Protection - VX
540
60CTS-I CT Supervision - Current Reference
541
60CTS-V CT Supervision - Voltage Reference
542
60VTS VT Supervision
543
67 Directional Overcurrent - Phase
544
Directional Earth Fault - Measured
545
67GS Directional Sensitive Earth Fault - Measured
546
Directional Earth Fault - Calculated
547
78VS Voltage Vector Shift
548
81 Frequency Protection - "F>" or "F
549
81HB2 Inrush Current Detection
550
Frequency Protection - "Df/Dt
551
87GH Restricted Earth-Fault Protection - High-Impedance
552
A Appendix
553
Ordering Information
554
Current Transformer Connections
555
Voltage Transformer Connections
556
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