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siprotec 7SA522
Siemens siprotec 7SA522 User Manual
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SIPROTEC
7SA522
Distance Protection
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Table of Contents
C53000-G1176-C119
2
Table of Contents
7
Table of Contents
8
Introduction
21
Overall Operation
22
Applications
24
Settings
25
Features
26
Scope of Functions
27
Hardware and Connections
31
Version of 7SA522 for Panel Flush Mounting (Cubicle Mounting)
32
Housing
32
Screw Terminal Connections
36
Connections to Plug-In Terminals
40
Connections to Optical Communication Interfaces
43
Connections to Electrical Communication Interfaces
44
Version of 7SA522 for Panel Surface Mounting
45
Housing
45
Screw Terminal Connections
48
Connections to Optical Communication Interfaces
48
Initial Inspections
51
Unpacking and Re-Packing
52
Inspections Upon Receipt
53
Inspection of Features and Ratings
53
Electrical Check
53
User Interface
55
Operation Using the Operator Control Panel
55
Operation Using DIGSI
58
Storage
63
Siprotec
65
General
66
Protection and Control
66
Communication
67
Settings
68
Operations
68
Oscillographic Fault Records
68
Operator Control Facilities
69
Operator Control Panel on Device
69
Measured Values
70
DIGSI ® 4 Tool
71
Information Retrieval
72
Annunciations
73
Measurements
75
Oscillographic Fault Records
77
Control
78
Manual Overwrite / Tagging
80
General about the Setting Procedures
81
Configuration of the Scope of Device Functions
84
Configuration of Inputs and Outputs (Configuration Matrix)
85
Programmable Logic CFC
88
Power System Data
90
Setting Groups
91
Settings
92
SIPROTEC ® 4 Devices
92
General Device Settings
93
Time Synchronization
94
Serial Interfaces
95
Passwords
97
Setting Groups
97
Configuration
99
Configuration of Functions
100
Settings
103
Configuration of the Binary Inputs and Outputs
105
Preparation
105
Structure and Operation of the Configuration Matrix
106
Control Commands for Switching Devices
110
Establishing Information Properties
112
Performing Configuration
119
Preset Configurations
125
Transferring Metering Values
128
Settings for Contact Chatter Blocking
130
Creating User Defined Functions with CFC
132
Establishing a Default Display
141
Serial Interfaces
142
Date and Time Stamping
146
Functions
149
General
150
Power System Data 1
155
Settings
160
Setting Groups
162
Information Overview
164
Settings
164
General Protection Data
165
Settings
175
Information Overview
176
Distance Protection
178
Earth Fault Recognition
178
Method of Operation
178
Setting of the Parameters for this Function
180
Calculation of the Impedances
181
Applying the Function Parameter Settings
187
Settings
189
Information Overview
190
Applying the Function Parameter Settings
198
Applying the Function Parameter Settings
209
Settings
213
Applying the Function Parameter Settings
219
Method of Operation
220
Applying the Function Parameter Settings
223
Settings
223
Information Overview
223
Distance Protection Teleprotection Schemes
225
Method of Operation
226
Direct Underreach Transfer Trip
228
Permissive Overreach Transfer Trip (POTT)
229
Unblocking with Z1B
232
Blocking Scheme
235
Transient Blocking
238
Measures for Weak and Zero Infeed
239
Settings
240
Applying the Function Parameter Settings
240
Settings
243
Method of Operation
245
Earth Fault Protection in Earthed Systems
245
Applying the Function Parameter Settings
251
Settings
257
Information Overview
260
Earth Fault Protection Teleprotection Schemes
261
Method of Operation
262
Directional Unblocking Scheme
264
Directional Blocking Scheme
266
Transient Blocking
267
Measures for Weak or Zero Infeed
268
Applying the Function Parameter Settings
270
Settings
273
Information Overview
273
Weak-Infeed Tripping
274
Applying the Function Parameter Settings
276
Settings
277
External Direct and Remote Tripping
278
Applying the Function Parameter Settings
279
Overcurrent Protection
280
Method of Operation
281
Applying the Function Parameter Settings
287
Settings
294
Information Overview
295
High-Current Switch-On-To-Fault Protection
297
Applying the Function Parameter Settings
298
Automatic Reclosure Function
299
Function Description
300
Setting the Function Parameters
316
Settings
322
Information Overview
325
Synchronism and Voltage Check (Dead-Line / Dead-Bus Check)
329
Method of Operation
329
Applying the Function Parameter Settings
332
Settings
336
Information Overview
337
Overvoltage Protection
339
Method of Operation
339
Applying the Function Parameter Settings
340
Settings
342
Information Overview
342
Fault Location
343
Method of Operation
343
Applying the Function Parameter Setting
345
Settings
346
Information Overview
346
Circuit Breaker Failure Protection
348
Method of Operation
348
Applying the Function Parameter Settings
359
Settings
362
Information Overview
362
Monitoring Functions
364
Method of Operation
364
Hardware-Monitoring
364
Software-Monitoring
366
Monitoring of the External Instrument Transformer Circuits
366
Response to Failures
372
Applying the Function Parameter Settings
374
Trip Circuit Supervision
376
Settings
376
Information Overview
377
Function Control
379
Detection of Line Energization
379
Processing of the Circuit Breaker Position
380
Overall Fault Detection Logic of the Device
383
Overall Tripping Logic of the Device
385
Circuit Breaker Trip Test
390
Setting Parameters
391
Settings
392
Information Overview
393
Supplementary Functions
394
Processing of Messages
394
Operational Measurement and Energy Metering
395
Data Storage for Fault Recording
397
Applying the Function Parameter Settings
397
Settings
398
Information Overview
399
Processing of Commands
401
Types of Commands
401
Steps in the Command Sequence
402
Interlocking
403
Interlocked/Non-Interlocked Switching
403
Recording and Acknowledgement of Commands
406
Control During Operation
409
Read-Out of Information
410
Event Log (Operating Messages)
413
Trip Log (Fault Messages)
414
Saving and Erasing the Messages
417
General Interrogation
418
Switching Statistics
419
Resetting and Setting the Switching Statistics
420
Measured Values
421
Setting and Retrieval of User Defined Set-Points
425
Retrieval and Resetting of User Defined Pulse Metered Values (PMV)
427
Fault Records
428
Saving the Fault Records
429
Control of Device Functions
430
Changeover of Setting Groups
435
Test Messages to the System (SCADA) Interface During Test Operation
437
Circuit Breaker Test Function
440
Control of Switchgear
444
Display Equipment Position and Control
445
Manual Overwriting
448
Set Status
449
Interlocking
451
Tagging
452
Switching Authority
453
Switching Mode
454
Control Messages
455
Installation and Commissioning
457
Mounting and Connections
458
Termination Variants
462
Hardware Modifications
467
Jumpers on the Printed Circuit Boards
468
Checking the Connections
476
Power Plant Connections
478
Commissioning
480
Current, Voltage, and Phase Rotation Checks
481
Directional Checks with Load Current
482
Polarity Check for the Voltage Input U4
483
Measuring the Operating Time of the Circuit Breaker
488
Testing of the Teleprotection System
489
Teleprotection with Earth Fault Protection
491
Signal Transmission for the Overvoltage Protection
492
Protection
493
Checking the Binary Inputs and Outputs
494
Tests for the Circuit Breaker Failure Protection
496
Testing User-Defined Functions
498
Triggering Oscillographic Recordings
499
Generate Indications
500
Final Preparation of the Device
502
Routine Checks and Maintenance
503
General
504
Routine Checks
505
Maintenance
506
Troubleshooting
509
Corrective Action / Repairs
511
Return
515
Technical Data
517
General Device Data
518
Binary Inputs and Outputs
519
Communications Interfaces
520
Electrical Tests
522
Mechanical Stress Tests
524
Climatic Stress Tests
525
Certifications
526
Power Swing Supplement
528
Distance Protection Teleprotection Schemes
529
Earth Fault Protection in Earthed Systems
530
Earth Fault Protection Teleprotection Schemes
536
Overcurrent Protection
537
High-Current Switch-On-To-Fault Protection
539
Synchronism and Voltage Check (Dead-Line / Dead-Bus Check)
540
Overvoltage Protection
541
Fault Location
542
Monitoring Functions
543
Supplementary Functions
544
Dimensions
546
Ordering Information and Accessories
550
Accessories
552
General Diagrams
554
Panel Surface Mounting
557
Connection Examples
562
Preset Configurations
569
Protocol Dependent Functions
572
List of Information
573
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Siemens siprotec 7SA522 Specifications
General
Brand
Siemens
Model
siprotec 7SA522
Category
Protection Device
Language
English
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