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Technical Data
4.9 Earth Fault Protection in Ear
thed Systems (optional)
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
606
Figure
4-5
T
rip time characteristic of the inverse time
overcurrent stage with logarithmic-inverse
charac-
teristic
Logarithmic inverse
t = T
3
I
0Pmax
— T
3
I
0P
·ln(
I
/
3
I
0P
)
Note:
For
I
/
3
I
0P
> 35, the time for
I
/
3
I
0P
= 35 applies
Figure
4-6
T
rip time characteristics of
the zero sequence vol
tage protection U
0 inverse
605
607
Table of Contents
Default Chapter
3
Functions 3
3
Technical Data
4
C53000-G1176-C169
5
Table of Contents
9
1 Introduction
21
Overall Operation
22
Application Scope
25
Characteristics
28
2 Functions
35
General
37
Functional Scope
37
Configuration of the Scope of Functions
37
Control of the Main Protection Functions
38
Setting Notes
38
Settings
42
General Power System Data (Power System Data 1)
44
Setting Notes
44
Settings
53
Change Group
54
Purpose of the Setting Groups
54
Setting Notes
54
Settings
55
Information List
55
General Protection Data (Power System Data 2)
55
Setting Notes
55
Settings
68
Information List
72
Protection Data Interfaces and Protection Data Topology
74
Functional Description
74
Protection Data Topology / Protection Data Communication
74
Operating Modes of the Differential Protection
79
Mode: Log out Device
79
Differential Protection Test Mode
81
Differential Protection Commissioning Mode
83
Protection Data Interfaces
84
Setting Notes
84
Settings
88
Information List
89
Differential Protection Topology
90
Setting Notes
90
Settings
92
Information List
92
Differential Protection
93
Functional Description
93
Setting Notes
103
Settings
107
Information List
108
Breaker Intertrip and Remote Tripping
110
Functional Description
110
Setting Notes
113
Settings
113
Information List
114
Distance Protection
115
Distance Protection, General Settings
115
Earth Fault Detection
115
Pickup (Optional)
119
Calculation of the Impedances
124
Setting Notes
132
Settings
141
Information List
144
Distance Protection with Quadrilateral Characteristic (Optional)
146
Method of Operation
146
Setting Notes
152
Settings
160
Distance Protection with MHO Characteristic (Optional)
163
Functional Description
163
Setting Notes
170
Settings
174
Tripping Logic of the Distance Protection
176
Method of Operation
176
Setting Notes
180
Power Swing Detection (Optional)
181
General
181
Method of Operation
182
Setting Notes
185
Settings
186
Information List
186
Teleprotection for Distance Protection (Optional)
187
General
187
Method of Operation
188
PUTT (Pickup)
189
Permissive Underreach Transfer Trip with Zone Acceleration Z1B (PUTT)
191
Direct Underreach Transfer Trip
193
Permissive Overreach Transfer Trip (POTT)
194
Directional Comparison
197
Unblocking Scheme
199
Blocking Scheme
203
Pilot Wire Comparison
206
Reverse Interlocking
209
Transient Blocking
210
Measures for Weak or Zero Infeed
211
Setting Notes
212
Settings
215
Information List
215
Earth Fault Protection in Earthed Systems (Optional)
217
Functional Description
217
Setting Notes
234
Settings
244
Information List
248
Teleprotection for Earth Fault Protection (Optional)
249
General
249
Directional Comparison Pickup
250
Directional Unblocking Scheme
253
Directional Blocking Scheme
257
Transient Blocking
259
Measures for Weak or Zero Infeed
260
Setting Notes
261
Settings
263
Information List
264
Restricted Earth Fault Protection (Optional)
265
Application Examples
265
Functional Description
266
Setting Notes
271
Settings
272
Information List
272
Measures for Weak and Zero Infeed
273
Echo Function
273
Function Description
273
Classical Tripping
275
Method of Operation
275
Setting Notes
277
Tripping According to French Specification
278
Functional Description
278
Setting Notes
281
Tables on Classical Tripping and Tripping According to French Specification
283
Settings
283
Information List
284
Direct Local Trip
285
Functional Description
285
Setting Notes
286
Settings
286
Information List
286
Transmission of Binary Commands and Messages
287
Functional Description
287
Information List
288
Instantaneous High-Current Switch-Onto-Fault Protection (SOTF)
290
Functional Description
290
Setting Notes
292
Settings
294
Information List
294
Sensitive Earth Flt.(Comp/ Isol. Starp.)
295
Method of Operation
295
Setting Notes
298
Settings
301
Information List
301
Backup Time Overcurrent Protection
302
General
302
Functional Description
303
Setting Notes
309
Settings
315
Information List
316
Automatic Reclosure Function (Optional)
318
Functional Description
318
Setting Notes
335
Settings
343
Information List
346
Synchronism and Voltage Check (Optional)
348
Method of Operation
348
Setting Notes
354
Settings
358
Information List
360
Undervoltage and Overvoltage Protection (Optional)
361
Overvoltage Protection
361
Undervoltage Protection
368
Setting Notes
372
Settings
376
Information List
378
Frequency Protection (Optional)
381
Method of Operation
381
Setting Notes
384
Settings
385
Information List
386
Fault Locator
387
Functional Description
387
Setting Notes
391
Settings
394
Information List
395
Circuit Breaker Failure Protection
396
Functional Description
396
Setting Notes
408
Settings
412
Information List
413
Thermal Overload Protection
414
Method of Operation
414
Setting Notes
415
Settings
417
Information List
417
Monitoring Functions
418
Measurement Supervision
418
Hardware Monitoring
418
Software Monitoring
420
Measurement Circuit Monitoring
420
Monitoring the Phase Angle of the Positive Sequence Power
429
Fault Reactions
432
Setting Notes
435
Settings
437
Information List
438
Trip Circuit Supervision
439
Functional Description
439
Setting Notes
442
Settings
442
Information List
442
Function Control and Circuit Breaker Test
443
Function Control
443
Line Energization Recognition
443
Detection of the Circuit Breaker Position
447
Open Pole Detector
449
Pickup Logic of the Entire Device
451
Tripping Logic of the Entire Device
452
Circuit Breaker Test
457
Functional Description
457
Information List
458
Device
459
Command-Dependent Messages
459
Switching Statistics
460
Setting Notes
460
Settings
461
Information List
461
EN100-Modul 1
463
Functional Description
463
Setting Notes
463
Information List
463
Additional Functions
464
Commissioning Aid
464
Functional Description
464
Setting Notes
466
Processing of Messages
467
Functional Description
467
Statistics
470
Function Description
470
Information List
471
Measurement During Operation
472
Functional Description
472
Information List
474
Differential Protection Values
476
Measured Values of the Differential Protection
476
Information List
476
Measured Values Constellation
477
Functional Description
477
Oscillographic Fault Records
478
Functional Description
478
Setting Notes
478
Settings
479
Information List
479
Demand Measurement Setup
480
Long-Term Average Values
480
Setting Notes
480
Settings
480
Information List
481
Min/Max Measurement Setup
481
Reset
481
Setting Notes
481
Settings
481
Information List
482
Set Points (Measured Values)
483
Limit Value Monitoring
484
Setting Notes
484
Information List
484
Energy
485
Energy Metering
485
Setting Notes
485
Information List
485
Command Processing
486
Control Authorization
486
Type of Commands
486
Sequence in the Command Path
487
Interlocking
488
Information List
490
Control Device
491
Information List
491
Process Data
492
Method of Operation
492
Information List
493
Protocol
493
3 Mounting and Commissioning
495
Mounting and Connections
496
Configuration Information
496
Hardware Modifications
501
General
501
Disassembly
503
Switching Elements on Printed Circuit Boards
506
Interface Modules
517
Reassembly
521
Mounting
521
Panel Flush Mounting
521
Rack Mounting and Cubicle Mounting
523
Panel Mounting
524
Checking Connections
525
Checking the Data Connection of the Serial Interfaces
525
Checking the Protection Data Communication
528
Checking the System Connections
529
Commissioning
531
Test Mode / Transmission Block
532
Checking Time Synchronisation Interface
532
Testing the System Interface
533
Checking the Switching States of the Binary Inputs/Outputs
535
Checking the Protection Data Topology
538
Checking for Breaker Failure Protection
545
Checking the Instrument Transformer Connections of One Line End
547
Checking the Transformer Connections with Two Line Ends
548
Checking the Instrument Transformer Connections for more than Two Ends
558
Measuring the Operating Time of the Circuit Breaker
558
Checking the Teleprotection System with Distance Protection
559
Testing of the Teleprotection System with Earth-Fault Protection
562
Check of the Signal Transmission for Breaker Failure Protection And/Or End Fault Protection
564
Check of the Signal Transmission for Internal and External Remote Tripping
564
Testing User-Defined Functions
564
Trip and Close Test with the Circuit Breaker
565
Switching Test of the Configured Operating Equipment
565
Triggering Oscillographic Recording for Test
566
Final Preparation of the Device
567
4 Technical Data
569
General
571
Analog Inputs
571
Auxiliary Voltage
572
Binary Inputs and Outputs
573
Communications Interfaces
575
Electrical Tests
579
Mechanical Tests
581
Climatic Stress Tests
582
Deployment Conditions
582
Certifications
583
Mechanical Design
583
Protection Data Interfaces and Differential Protection Topology
584
Differential Protection
588
Restricted Earth Fault Protection
590
Breaker Intertrip and Remote Tripping- Direct Local Trip
591
Distance Protection (Optional)
592
Power Swing Detection (with Impedance Pickup) (Optional)
596
Teleprotection for Distance Protection (Optional)
597
Earth Fault Protection in Earthed Systems (Optional)
598
Teleprotection for Earth Fault Protection (Optional)
608
Weak Infeed Tripping (Classical/Optional)
609
Weak Infeed Tripping (French Specification/Optional)
610
Direct Remote Trip and Transmission of Binary Information
611
Instantaneous High-Current Switch-Onto-Fault Protection (SOTF)
612
Earth Fault Detection in a Non-Earthed System
613
Backup Time Overcurrent Protection
614
Automatic Reclosure Function (Optional)
617
Synchronism and Voltage Check (Optional)
618
Undervoltage and Overvoltage Protection (Optional)
620
Frequency Protection (Optional)
623
Fault Locator
624
Circuit Breaker Failure Protection
625
Thermal Overload Protection
626
Monitoring Functions
628
User-Defined Functions (CFC)
630
Additional Functions
634
Dimensions
637
Panel Flush Mounting and Cubicle Mounting (Size )
637
Panel Flush Mounting and Cubicle Mounting
638
Panel Flush Mounting and Cubicle Mounting (Size 1 / 1 )
638
Panel Surface Mounting (Housing Size )
639
Panel Surface Mounting (Housing Size 1 / 1 )
639
Appendix
641
Ordering Information and Accessories
642
Ordering Information
642
Ordering Code (MLFB)
642
Accessories
648
A.1.2 Accessories
648
Terminal Assignments
652
Panel Flush Mounting or Cubicle Mounting
652
A.2 Terminal Assignments
652
Panel Surface Mounting
659
Connection Examples
666
Current Transformer Connection Examples
666
A.3 Connection Examples
666
Voltage Transformer Connection Examples
671
Default Settings
674
Leds
674
A.4 Default Settings
674
Binary Input
675
A.4.2 Binary Input
675
Binary Output
676
Function Keys
676
A.4.3 Binary Output
676
Default Display
677
A.4.5 Default Display
677
Pre-Defined CFC Charts
680
Protocol-Dependent Functions
681
Functional Scope
682
A.6 Functional Scope
682
Settings
685
A.7 Settings
685
Information List
706
A.8 Information List
706
Group Alarms
746
A.9 Group Alarms
746
Measured Values
747
A.10 Measured Values
747
Literature
755
Glossary
757
Index
769
5
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Siemens SIPROTEC Specifications
General
Brand
Siemens
Model
SIPROTEC
Category
Protection Device
Language
English
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