Table Of Contents - Siemens SIPROTEC 7SA522 Manual

Table Of Contents

C53000-G1176-C1553
Introduction17
Overall Operation18
Application Scope22
Characteristics25
Functions31
General32
Settings35
Device37
Setting Notes38
Power System Data 140
Setting Group Changeover46
Information List47
Oscillographic Fault Records60
Distance Protection62
Calculation Of The Impedances65
Distance Protection With Quadrilateral Characteristic (Optional)80
Distance Protection With Mho Characteristic (Optional)92
Tripping Logic Of The Distance Protection102
Power Swing Detection (Optional)108
Protection Data Interfaces And Communication Topology (Optional)115
Remote Signals Via Protection Data Interface (Optional)124
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
Earth Fault Overcurrent Protection In Earthed Systems (Optional)151
Teleprotection For Earth Fault Overcurrent Protection (Optional)176
Directional Comparison Pickup177
Measures For Weak Or Zero Infeed189
Weak-Infeed Tripping196
External Direct And Remote Tripping206
Overcurrent Protection208
Instantaneous High-Current Switch-On-To-Fault Protection (Sotf)224
Automatic Reclosure Function (Optional)227
Synchronism And Voltage Check (Optional)259
Undervoltage And Overvoltage Protection (Optional)271
Undervoltage Protection276
Frequency Protection (Optional)288
Fault Locator294
Circuit Breaker Failure Protection (Optional)299
Monitoring Function314
Software Monitoring316
Malfunction Responses321
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
Auxiliary Functions346
Statistics349
Function Description350
Measurement351
Demand Measurement Setup355
Set Points (Measured Values)358
Limit Value Monitoring359
Energy360
Command Processing362
Sequence In The Command Path363
Switchgear Interlocking364
Process Data368
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
Auxiliary Voltage433
Communication Interfaces435
Electrical Tests439
Mechanical Stress Tests441
Climatic Stress Tests442
Certifications443
Weak-Infeed Tripping (Classic)460
Weak-Infeed Tripping (French Specification)461
Time Overcurrent Protection464
Instantaneous High-Current Switch-Onto-Fault Protection467
Transmission Of Binary Information (Optional)479
User Defined Functions (Cfc)481
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