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siprotec 7SA522
Siemens siprotec 7SA522 User Manual
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2 Functio
ns
184
7SA522 Manual
C53000-G1176-C155-3
Figure
2-8
0
Logic
diagram of the
unblocking s
cheme (one lin
e end)
183
185
Table of Contents
C53000-G1176-C155
3
Introduction
17
Overall Operation
18
Application Scope
22
Characteristics
25
Functions
31
General
32
Settings
35
Device
37
Setting Notes
38
Power System Data 1
40
Settings
44
Setting Group Changeover
46
Information List
47
Settings
57
Information List
58
Oscillographic Fault Records
60
Settings
61
Distance Protection
62
Calculation of the Impedances
65
Setting Notes
72
Settings
76
Information List
77
Distance Protection with Quadrilateral Characteristic (Optional)
80
Setting Notes
86
Settings
90
Distance Protection with MHO Characteristic (Optional)
92
Setting Notes
97
Settings
101
Tripping Logic of the Distance Protection
102
Setting Notes
107
Power Swing Detection (Optional)
108
Setting Notes
113
Settings
114
Protection Data Interfaces and Communication Topology (Optional)
115
Setting Notes
118
Settings
122
Remote Signals Via Protection Data Interface (Optional)
124
Information List
125
Teleprotection for Distance Protection
127
Method of Operation
128
Permissive Underreach Transfer Trip with Zone Acceleration Z1B (PUTT)
129
Direct Underreach Transfer Trip
131
Permissive Overreach Transfer Trip (POTT)
132
Directional Unblocking Scheme
136
Directional Blocking Scheme
140
Transient Blocking
143
Measures for Weak and Zero Infeed
144
Setting Notes
146
Settings
149
Earth Fault Overcurrent Protection in Earthed Systems (Optional)
151
Setting Notes
163
Settings
172
Information List
175
Teleprotection for Earth Fault Overcurrent Protection (Optional)
176
Directional Comparison Pickup
177
Directional Unblocking Scheme
181
Directional Blocking Scheme
185
Transient Blocking
188
Measures for Weak or Zero Infeed
189
Setting Notes
190
Settings
194
Weak-Infeed Tripping
196
Setting Notes
199
Setting Notes
202
Settings
203
Information List
204
External Direct and Remote Tripping
206
Setting Notes
207
Overcurrent Protection
208
Method of Operation
209
Setting Notes
215
Settings
220
Information List
222
Instantaneous High-Current Switch-On-To-Fault Protection (SOTF)
224
Setting Notes
225
Information List
226
Automatic Reclosure Function (Optional)
227
Method of Operation
228
Setting Notes
245
Settings
254
Information List
256
Synchronism and Voltage Check (Optional)
259
Setting Notes
263
Settings
268
Information List
269
Undervoltage and Overvoltage Protection (Optional)
271
Undervoltage Protection
276
Setting Notes
280
Settings
284
Information List
286
Frequency Protection (Optional)
288
Setting Notes
290
Settings
292
Information List
293
Fault Locator
294
Setting Notes
296
Settings
297
Circuit Breaker Failure Protection (Optional)
299
Setting Notes
309
Settings
312
Information List
313
Monitoring Function
314
Software Monitoring
316
Malfunction Responses
321
Setting Notes
322
Settings
324
Information List
325
Setting Notes
328
Function Control and Circuit Breaker Testing
330
Detection of the Circuit Breaker Position
333
Open Pole Detector
336
Pickup Logic for the Entire Device
337
Tripping Logic of the Entire Device
338
Setting Notes
344
Setting Notes
345
Auxiliary Functions
346
Statistics
349
Function Description
350
Measurement
351
Information List
353
Demand Measurement Setup
355
Information List
356
Information List
357
Set Points (Measured Values)
358
Limit Value Monitoring
359
Energy
360
Command Processing
362
Sequence in the Command Path
363
Switchgear Interlocking
364
Information List
367
Process Data
368
Information List
369
Mounting and Commissioning
371
Mounting and Connections
372
Hardware Modifications
376
Disassembly
378
Switching Elements on Printed Circuit Boards
380
Interface Modules
387
Reassembly
391
Rack Mounting and Cubicle Mounting
393
Panel Surface Mounting
395
Checking Connections
396
Checking the Protection Data Communication
398
Checking System Connections
399
Commissioning
401
Test Mode / Transmission Block
402
Testing the System Interface
403
Checking the Binary Inputs and Outputs
405
Checking the Communication Topology
407
Tests for Circuit Breaker Failure Protection
411
Current, Voltage, and Phase Rotation Testing
413
Direction Check with Load Current
414
Polarity Check for the Voltage Input U4
415
Polarity Check for the Current Input I4
418
Measuring the Operating Time of the Circuit Breaker
421
Testing of the Teleprotection System with Distance Protection
422
Testing of the Signal Transmission with Earth-Fault Protection
424
Check of the Signal Transmission for Internal and External Remote Tripping
426
Testing User-Defined Functions
427
Triggering Oscillographic Recordings for Test
428
Final Preparation of the Device
430
Technical Data
431
General
432
Auxiliary Voltage
433
Communication Interfaces
435
Electrical Tests
439
Mechanical Stress Tests
441
Climatic Stress Tests
442
Certifications
443
Distance Protection
444
Power Swing Detection (Optional)
447
Teleprotection for Distance Protection
448
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 Tripping
463
Time Overcurrent Protection
464
Instantaneous High-Current Switch-Onto-Fault Protection
467
Automatic Reclosure Function (Optional)
468
Synchronism and Voltage Check (Optional)
469
Undervoltage and Overvoltage Protection (Optional)
471
Frequency Protection (Optional)
474
Fault Locator
475
Circuit Breaker Failure Protection (Optional)
476
Monitoring Function
477
Transmission of Binary Information (Optional)
479
User Defined Functions (CFC)
481
Auxiliary Functions
484
Dimensions
486
A Appendix
490
A.1.2 Accessories
495
A.2 Terminal Assignments
498
A.2.2 Housing for Panel Surface Mounting
503
A.3 Connection Examples
512
A.3.2 Voltage Transformer Examples
516
A.4 Default Settings
519
A.4.2 Binary Inputs
520
A.4.4 Function Keys
521
A.4.5 Default Display
522
A.4.6 Pre-Defined CFC Charts
523
A.5 Protocol-Dependent Functions
527
A.6 Functional Scope
528
A.7 Settings
530
A.8 Information List
546
A.9 Group Alarms
584
A.10 Measured Values
585
Literature
591
Glossary
593
Index
601
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User Manual
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Siemens siprotec 7SA522 Specifications
General
Brand
Siemens
Model
siprotec 7SA522
Category
Protection Device
Language
English
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