Siemens siprotec 7SA522 - Instantaneous High-Current Switch-onto-Fault Protection (SOTF)

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Functions

6-76 7SA522 Manual

C53000-G1176-C119-2

4167 Pow. Swing L1 Power Swing detected in L1

4168 Pow. Swing L2 Power Swing detected in L2

4169 Pow. Swing L3 Power Swing detected in L3

F.No. Alarm Comments

Main Page

C53000-G1176-C1192
Table of Contents7
Table of Contents8
Introduction21
Overall Operation22
Applications24
Settings25
Features26
Scope of Functions27
Hardware and Connections31
Version of 7SA522 for Panel Flush Mounting (Cubicle Mounting)32
Housing32
Screw Terminal Connections36
Connections to Plug-In Terminals40
Connections to Optical Communication Interfaces43
Connections to Electrical Communication Interfaces44
Version of 7SA522 for Panel Surface Mounting45
Housing45
Screw Terminal Connections48
Connections to Optical Communication Interfaces48
Initial Inspections51
Unpacking and Re-Packing52
Inspections Upon Receipt53
Inspection of Features and Ratings53
Electrical Check53
User Interface55
Operation Using the Operator Control Panel55
Operation Using DIGSI58
Storage63
Siprotec65
General66
Protection and Control66
Communication67
Settings68
Operations68
Oscillographic Fault Records68
Operator Control Facilities69
Operator Control Panel on Device69
Measured Values70
DIGSI ® 4 Tool71
Information Retrieval72
Annunciations73
Measurements75
Oscillographic Fault Records77
Control78
Manual Overwrite / Tagging80
General about the Setting Procedures81
Configuration of the Scope of Device Functions84
Configuration of Inputs and Outputs (Configuration Matrix)85
Programmable Logic CFC88
Power System Data90
Setting Groups91
Settings92
SIPROTEC ® 4 Devices92
General Device Settings93
Time Synchronization94
Serial Interfaces95
Passwords97
Setting Groups97
Configuration99
Configuration of Functions100
Settings103
Configuration of the Binary Inputs and Outputs105
Preparation105
Structure and Operation of the Configuration Matrix106
Control Commands for Switching Devices110
Establishing Information Properties112
Performing Configuration119
Preset Configurations125
Transferring Metering Values128
Settings for Contact Chatter Blocking130
Creating User Defined Functions with CFC132
Establishing a Default Display141
Serial Interfaces142
Date and Time Stamping146
Functions149
General150
Power System Data 1155
Settings160
Setting Groups162
Information Overview164
Settings164
General Protection Data165
Settings175
Information Overview176
Distance Protection178
Earth Fault Recognition178
Method of Operation178
Setting of the Parameters for this Function180
Calculation of the Impedances181
Applying the Function Parameter Settings187
Settings189
Information Overview190
Applying the Function Parameter Settings198
Applying the Function Parameter Settings209
Settings213
Applying the Function Parameter Settings219
Method of Operation220
Applying the Function Parameter Settings223
Settings223
Information Overview223
Distance Protection Teleprotection Schemes225
Method of Operation226
Direct Underreach Transfer Trip228
Permissive Overreach Transfer Trip (POTT)229
Unblocking with Z1B232
Blocking Scheme235
Transient Blocking238
Measures for Weak and Zero Infeed239
Settings240
Applying the Function Parameter Settings240
Settings243
Method of Operation245
Earth Fault Protection in Earthed Systems245
Applying the Function Parameter Settings251
Settings257
Information Overview260
Earth Fault Protection Teleprotection Schemes261
Method of Operation262
Directional Unblocking Scheme264
Directional Blocking Scheme266
Transient Blocking267
Measures for Weak or Zero Infeed268
Applying the Function Parameter Settings270
Settings273
Information Overview273
Weak-Infeed Tripping274
Applying the Function Parameter Settings276
Settings277
External Direct and Remote Tripping278
Applying the Function Parameter Settings279
Overcurrent Protection280
Method of Operation281
Applying the Function Parameter Settings287
Settings294
Information Overview295
High-Current Switch-On-To-Fault Protection297
Applying the Function Parameter Settings298
Automatic Reclosure Function299
Function Description300
Setting the Function Parameters316
Settings322
Information Overview325
Synchronism and Voltage Check (Dead-Line / Dead-Bus Check)329
Method of Operation329
Applying the Function Parameter Settings332
Settings336
Information Overview337
Overvoltage Protection339
Method of Operation339
Applying the Function Parameter Settings340
Settings342
Information Overview342
Fault Location343
Method of Operation343
Applying the Function Parameter Setting345
Settings346
Information Overview346
Circuit Breaker Failure Protection348
Method of Operation348
Applying the Function Parameter Settings359
Settings362
Information Overview362
Monitoring Functions364
Method of Operation364
Hardware-Monitoring364
Software-Monitoring366
Monitoring of the External Instrument Transformer Circuits366
Response to Failures372
Applying the Function Parameter Settings374
Trip Circuit Supervision376
Settings376
Information Overview377
Function Control379
Detection of Line Energization379
Processing of the Circuit Breaker Position380
Overall Fault Detection Logic of the Device383
Overall Tripping Logic of the Device385
Circuit Breaker Trip Test390
Setting Parameters391
Settings392
Information Overview393
Supplementary Functions394
Processing of Messages394
Operational Measurement and Energy Metering395
Data Storage for Fault Recording397
Applying the Function Parameter Settings397
Settings398
Information Overview399
Processing of Commands401
Types of Commands401
Steps in the Command Sequence402
Interlocking403
Interlocked/Non-Interlocked Switching403
Recording and Acknowledgement of Commands406
Control During Operation409
Read-Out of Information410
Event Log (Operating Messages)413
Trip Log (Fault Messages)414
Saving and Erasing the Messages417
General Interrogation418
Switching Statistics419
Resetting and Setting the Switching Statistics420
Measured Values421
Setting and Retrieval of User Defined Set-Points425
Retrieval and Resetting of User Defined Pulse Metered Values (PMV)427
Fault Records428
Saving the Fault Records429
Control of Device Functions430
Changeover of Setting Groups435
Test Messages to the System (SCADA) Interface During Test Operation437
Circuit Breaker Test Function440
Control of Switchgear444
Display Equipment Position and Control445
Manual Overwriting448
Set Status449
Interlocking451
Tagging452
Switching Authority453
Switching Mode454
Control Messages455
Installation and Commissioning457
Mounting and Connections458
Termination Variants462
Hardware Modifications467
Jumpers on the Printed Circuit Boards468
Checking the Connections476
Power Plant Connections478
Commissioning480
Current, Voltage, and Phase Rotation Checks481
Directional Checks with Load Current482
Polarity Check for the Voltage Input U4483
Measuring the Operating Time of the Circuit Breaker488
Testing of the Teleprotection System489
Teleprotection with Earth Fault Protection491
Signal Transmission for the Overvoltage Protection492
Protection493
Checking the Binary Inputs and Outputs494
Tests for the Circuit Breaker Failure Protection496
Testing User-Defined Functions498
Triggering Oscillographic Recordings499
Generate Indications500
Final Preparation of the Device502
Routine Checks and Maintenance503
General504
Routine Checks505
Maintenance506
Troubleshooting509
Corrective Action / Repairs511
Return515
Technical Data517
General Device Data518
Binary Inputs and Outputs519
Communications Interfaces520
Electrical Tests522
Mechanical Stress Tests524
Climatic Stress Tests525
Certifications526
Power Swing Supplement528
Distance Protection Teleprotection Schemes529
Earth Fault Protection in Earthed Systems530
Earth Fault Protection Teleprotection Schemes536
Overcurrent Protection537
High-Current Switch-On-To-Fault Protection539
Synchronism and Voltage Check (Dead-Line / Dead-Bus Check)540
Overvoltage Protection541
Fault Location542
Monitoring Functions543
Supplementary Functions544
Dimensions546
Ordering Information and Accessories550
Accessories552
General Diagrams554
Panel Surface Mounting557
Connection Examples562
Preset Configurations569
Protocol Dependent Functions572
List of Information573

Siemens siprotec 7SA522 - Instantaneous High-Current Switch-onto-Fault Protection (SOTF)

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