Name: Siemens siprotec 7SA522
Brand: Siemens
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2.21 Auxiliary functions

361

7SA522 Manual

C53000-G1176-C155-3

924 Wp+= MVMV Wp Forward

925 Wq+= MVMV Wq Forward

928 Wp-= MVMV Wp Reverse

929 Wq-= MVMV Wq Reverse

No. Information Type of In-

formation

Comments

C53000-G1176-C1553
Introduction17
Overall Operation18
Application Scope22
Characteristics25
Functions31
General32
Settings35
Device37
Setting Notes38
Power System Data 140
Settings44
Setting Group Changeover46
Information List47
Settings57
Information List58
Oscillographic Fault Records60
Settings61
Distance Protection62
Calculation of the Impedances65
Setting Notes72
Settings76
Information List77
Distance Protection with Quadrilateral Characteristic (Optional)80
Setting Notes86
Settings90
Distance Protection with MHO Characteristic (Optional)92
Setting Notes97
Settings101
Tripping Logic of the Distance Protection102
Setting Notes107
Power Swing Detection (Optional)108
Setting Notes113
Settings114
Protection Data Interfaces and Communication Topology (Optional)115
Setting Notes118
Settings122
Remote Signals Via Protection Data Interface (Optional)124
Information List125
Teleprotection for Distance Protection127
Method of Operation128
Permissive Underreach Transfer Trip with Zone Acceleration Z1B (PUTT)129
Direct Underreach Transfer Trip131
Permissive Overreach Transfer Trip (POTT)132
Directional Unblocking Scheme136
Directional Blocking Scheme140
Transient Blocking143
Measures for Weak and Zero Infeed144
Setting Notes146
Settings149
Earth Fault Overcurrent Protection in Earthed Systems (Optional)151
Setting Notes163
Settings172
Information List175
Teleprotection for Earth Fault Overcurrent Protection (Optional)176
Directional Comparison Pickup177
Directional Unblocking Scheme181
Directional Blocking Scheme185
Transient Blocking188
Measures for Weak or Zero Infeed189
Setting Notes190
Settings194
Weak-Infeed Tripping196
Setting Notes199
Setting Notes202
Settings203
Information List204
External Direct and Remote Tripping206
Setting Notes207
Overcurrent Protection208
Method of Operation209
Setting Notes215
Settings220
Information List222
Instantaneous High-Current Switch-On-To-Fault Protection (SOTF)224
Setting Notes225
Information List226
Automatic Reclosure Function (Optional)227
Method of Operation228
Setting Notes245
Settings254
Information List256
Synchronism and Voltage Check (Optional)259
Setting Notes263
Settings268
Information List269
Undervoltage and Overvoltage Protection (Optional)271
Undervoltage Protection276
Setting Notes280
Settings284
Information List286
Frequency Protection (Optional)288
Setting Notes290
Settings292
Information List293
Fault Locator294
Setting Notes296
Settings297
Circuit Breaker Failure Protection (Optional)299
Setting Notes309
Settings312
Information List313
Monitoring Function314
Software Monitoring316
Malfunction Responses321
Setting Notes322
Settings324
Information List325
Setting Notes328
Function Control and Circuit Breaker Testing330
Detection of the Circuit Breaker Position333
Open Pole Detector336
Pickup Logic for the Entire Device337
Tripping Logic of the Entire Device338
Setting Notes344
Setting Notes345
Auxiliary Functions346
Statistics349
Function Description350
Measurement351
Information List353
Demand Measurement Setup355
Information List356
Information List357
Set Points (Measured Values)358
Limit Value Monitoring359
Energy360
Command Processing362
Sequence in the Command Path363
Switchgear Interlocking364
Information List367
Process Data368
Information List369
Mounting and Commissioning371
Mounting and Connections372
Hardware Modifications376
Disassembly378
Switching Elements on Printed Circuit Boards380
Interface Modules387
Reassembly391
Rack Mounting and Cubicle Mounting393
Panel Surface Mounting395
Checking Connections396
Checking the Protection Data Communication398
Checking System Connections399
Commissioning401
Test Mode / Transmission Block402
Testing the System Interface403
Checking the Binary Inputs and Outputs405
Checking the Communication Topology407
Tests for Circuit Breaker Failure Protection411
Current, Voltage, and Phase Rotation Testing413
Direction Check with Load Current414
Polarity Check for the Voltage Input U4415
Polarity Check for the Current Input I4418
Measuring the Operating Time of the Circuit Breaker421
Testing of the Teleprotection System with Distance Protection422
Testing of the Signal Transmission with Earth-Fault Protection424
Check of the Signal Transmission for Internal and External Remote Tripping426
Testing User-Defined Functions427
Triggering Oscillographic Recordings for Test428
Final Preparation of the Device430
Technical Data431
General432
Auxiliary Voltage433
Communication Interfaces435
Electrical Tests439
Mechanical Stress Tests441
Climatic Stress Tests442
Certifications443
Distance Protection444
Power Swing Detection (Optional)447
Teleprotection for Distance Protection448
Earth Fault Overcurrent Protection in Earthed Systems (Optional)450
Teleprotection for Earth Fault Overcurrent Protection (Optional)459
Weak-Infeed Tripping (Classic)460
Weak-Infeed Tripping (French Specification)461
Protection Data Interfaces and Communication Topology (Optional)462
External Direct and Remote Tripping463
Time Overcurrent Protection464
Instantaneous High-Current Switch-Onto-Fault Protection467
Automatic Reclosure Function (Optional)468
Synchronism and Voltage Check (Optional)469
Undervoltage and Overvoltage Protection (Optional)471
Frequency Protection (Optional)474
Fault Locator475
Circuit Breaker Failure Protection (Optional)476
Monitoring Function477
Transmission of Binary Information (Optional)479
User Defined Functions (CFC)481
Auxiliary Functions484
Dimensions486
A Appendix490
A.1.2 Accessories495
A.2 Terminal Assignments498
A.2.2 Housing for Panel Surface Mounting503
A.3 Connection Examples512
A.3.2 Voltage Transformer Examples516
A.4 Default Settings519
A.4.2 Binary Inputs520
A.4.4 Function Keys521
A.4.5 Default Display522
A.4.6 Pre-Defined CFC Charts523
A.5 Protocol-Dependent Functions527
A.6 Functional Scope528
A.7 Settings530
A.8 Information List546
A.9 Group Alarms584
A.10 Measured Values585
Literature591
Glossary593
Index601

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English

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