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Siemens SIPROTEC 7SJ62 User Manual
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Functions
2.11 Monitoring Functions
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
208
The following log
ic diagram shows how
broken wire monitoring
functions.
Figure
2-70
Logic diagram for broken
wire monitoring
www
.
ElectricalPartManuals
.
com
207
209
Table of Contents
Default Chapter
2
C53000-G1140-C207
2
Functions 3
3
Table of Contents
9
1 Introduction
19
Overall Operation
20
Application Scope
24
Characteristics
26
2 Functions
33
General
34
Functional Scope
34
Description
34
Setting Notes
35
Settings
37
Device, General Settings
40
Description
40
Setting Notes
40
Settings
41
Information List
41
Power System Data 1
43
Description
43
Setting Notes
43
Motor Starting Protection
48
Settings
50
Information List
51
Oscillographic Fault Records
52
Description
52
Setting Notes
53
Settings
53
Information List
54
Settings Groups
54
Description
54
Setting Notes
54
Settings
55
Information List
55
Power System Data 2
55
Description
55
Setting Notes
56
Settings
60
Information List
61
EN100-Module
62
Functional Description
62
Setting Notes
62
Information List
62
Overcurrent Protection 50, 51, 50N, 51N
63
General
63
Definite Time, High-Set Elements 50-3, 50-2, 50N-3, 50N-2
64
Definite Time Overcurrent Elements 50-1, 50N-1
67
Inverse Time Overcurrent Elements 51, 51N
70
Inverse Time Overcurrent Protection 51V (Voltage-Controlled / Voltage-Restraint)
73
Dynamic Cold Load Pickup Function
77
Inrush Restraint
77
Pickup Logic and Tripping Logic
80
Two-Phase Overcurrent Protection (Only Non-Directional)
81
Fast Busbar Protection Using Reverse Interlocking
81
Setting Notes
82
Settings
91
Information List
94
Directional Overcurrent Protection 67, 67N
96
General
96
Definite Time, Directional High-Set Elements 67-2, 67N-2
98
Definite Time, Directional Overcurrent Elements 67-1, 67N-1
100
Inverse Time, Directional Overcurrent Elements 67-TOC, 67N-TOC
102
Interaction with Fuse Failure Monitor (FFM)
104
Dynamic Cold Load Pickup Function
104
Inrush Restraint
104
Determination of Direction
104
Reverse Interlocking for Double End Fed Lines
108
Setting Notes
110
Settings
118
Information List
120
Dynamic Cold Load Pickup
122
Description
122
Setting Notes
125
Settings
126
Information List
128
Single-Phase Overcurrent Protection
129
Functional Description
129
High-Impedance Ground Fault Unit Protection
131
Tank Leakage Protection
133
Setting Notes
134
Settings
139
Information List
139
Voltage Protection 27, 59
140
Measurement Principle
140
Overvoltage Protection 59
142
Undervoltage Protection 27
143
Setting Notes
146
Settings
149
Information List
150
Negative Sequence Protection 46
151
Definite Time Characteristic
151
Inverse Time Characteristic 46-TOC
152
Setting Notes
155
Settings
158
Information List
158
Motor Protection
159
Motor Starting Protection 48
159
Description
159
Setting Notes
162
Motor Restart Inhibit 66
165
Description
165
Setting Notes
171
Load Jam Protection (51M)
175
Mode of Operation
175
Setting Notes
178
Motorprotection (Motor Starting Protection 48, Motor Restart Inhibit 66, Loadjam)
180
Settings
180
Information List
181
Frequency Protection 81 O/U
182
Description
182
Setting Notes
184
Settings
185
Information List
186
Thermal Overload Protection 49
187
Description
187
Setting Notes
191
Settings
196
Information List
196
Monitoring Functions
197
Measurement Supervision
197
General
197
Hardware Monitoring
197
Monitoring of the Hardware Modules
200
Software Monitoring
200
Monitoring of the Transformer Circuits
201
Measurement Voltage Failure Detection
203
Broken Wire Monitoring of Voltage Transformer Circuits
207
Setting Notes
209
Settings
210
Information List
211
Trip Circuit Supervision 74TC
212
Description
212
Setting Notes
215
Settings
216
Information List
216
Malfunction Responses of the Monitoring Functions
216
Description
216
Ground Fault Protection 64, 67N(S), 50N(S), 51N(S)
219
Ground Fault Detection for Cos-Φ / Sin-Φ Measurement (Standard Procedure)
219
Ground Fault Detection for U0/I0-Φ Measurement
226
Ground Fault Location
231
Setting Notes
232
Settings
239
Information List
242
Intermittent Ground Fault Protection
243
Description
243
Setting Notes
247
Settings
248
Information List
249
Automatic Reclosing System 79
250
Program Execution
251
Blocking
255
Status Recognition and Monitoring of the Circuit Breaker
256
Controlling Protection Elements
258
Zone Sequencing (Not Available for Models 7SJ6***-**A**-)
260
Setting Notes
261
Settings
267
Information List
272
Fault Locator
274
Description
274
Setting Notes
276
Settings
277
Information List
277
Breaker Failure Protection 50BF
278
Description
278
Setting Notes
282
Settings
283
Information List
283
Flexible Protection Functions
284
Functional Description
284
Setting Notes
289
Settings
293
Information List
295
Reverse-Power Protection Application with Flexible Protection Function
296
Description
296
Implementation of the Reverse Power Protection
300
Configuring the Reverse Power Protection in DIGSI
302
Synchronization Function
305
SYNC Function Group 1
305
General
305
Synchrocheck
309
Synchronous / Asynchronous (Only 7SJ64)
309
De-Energized Switching
310
Direct Command / Blocking
311
SYNC Function Groups
312
Interaction with Control, AR and External Control
312
Setting Notes
314
Settings
320
Information List
321
Temperature Detection Via RTD Boxes
323
Description
323
Setting Notes
324
Settings
326
Information List
330
Phase Rotation
332
Description
332
Setting Notes
333
Function Logic
334
Pickup Logic of the Entire Device
334
Tripping Logic of the Entire Device
335
Setting Notes
335
Auxiliary Functions
336
Message Processing
336
LED Displays and Binary Outputs (Output Relays)
336
Information on the Integrated Display (LCD) or Personal Computer
337
Information to a Substation Control Center
339
Statistics
339
Description
339
Circuit Breaker Maintenance
340
Motor Statistics
346
Setting Notes
347
Information List
350
Measurement
351
Display of Measured Values
351
Transfer of Measured Values
353
Information List
353
Average Measurements
355
Description
355
Setting Notes
355
Settings
355
Information List
356
Min/Max Measurement Setup
356
Description
356
Setting Notes
356
Settings
357
Information List
357
Set Points for Measured Values
359
Description
359
Setting Notes
359
Information List
360
Set Points for Statistic
361
Description
361
Setting Notes
361
Information List
361
Energy Metering
362
Description
362
Setting Notes
362
Settings
362
Information List
362
Commissioning Aids
363
Description
363
Web Monitor
364
General
365
Functions
366
Operating Modes
370
Display Example
371
Setting Notes
372
Protection for Single-Phase Voltage Transformer Connection
373
Connection
373
Impacts on the Functionality of the Device
374
Setting Notes
376
Breaker Control
378
Control Device
378
Description
378
Information List
380
Types of Commands
381
Description
381
Command Sequence
382
Description
382
Interlocking
383
Description
383
Command Logging
390
Description
390
3 Mounting and Commissioning
391
Mounting and Connections
392
Configuration Information
392
Hardware Modifications
397
General
397
Disassembly
399
Switching Elements on the Printed Circuit Boards of Device 7SJ62
403
Switching Elements on the Printed Circuit Boards of Device 7SJ64
413
Interface Modules
426
Reassembly
430
Installation
431
Panel Flush Mounting
431
Rack Mounting and Cubicle Mounting
433
Panel Flush Mounting
435
Mounting with Detached Operator Panel
436
Mounting Without Operator Panel
436
Checking Connections
438
Checking Data Connections of Interfaces
438
Checking System Connections
441
Commissioning
443
Test Mode and Transmission Block
444
Testing the System Interface
444
Checking the Status of Binary Inputs and Outputs
446
Tests for Circuit Breaker Failure Protection
449
Testing User-Defined Functions
450
Current, Voltage, and Phase Rotation Testing
451
Test for High Impedance Protection
452
Testing the Reverse Interlocking Scheme
452
Direction Check with Load Current
453
Polarity Check for Voltage Input V
454
4 Only 7SJ623, 7SJ624 and 7SJ64)
454
Ground Fault Check
456
Polarity Check for Current Input I
457
Checking the Temperature Measurement Via RTD-Box
459
Measuring the Operating Time of the Circuit Breaker (Only 7SJ64)
460
Trip/Close Tests for the Configured Operating Devices
461
Creating Oscillographic Recordings for Tests
462
Final Preparation of the Device
463
Technical Data
465
General Device Data
466
Analog Inputs
466
Auxiliary Voltage
467
Binary Inputs and Outputs
468
Communication Interfaces
470
Electrical Tests
474
Mechanical Stress Tests
476
Climatic Stress Tests
477
Service Conditions
477
Certifications
478
Design
478
Definite-Time Overcurrent Protection 50(N)
479
Inverse-Time Overcurrent Protection 51(N)
481
Directional Time Overcurrent Protection 67, 67N
492
Inrush Restraint
494
Dynamic Cold Load Pickup
495
Single-Phase Overcurrent Protection
496
Voltage Protection
497
Negative Sequence Protection
499
Negative Sequence Protection 46-TOC
500
Motor Restart Inhibit
507
Load Jam Protection
508
Frequency Protection 81 O/U
509
Thermal Overload Protection
510
Ground Fault Protection 64, 67N(S), 50N(S), 51N(S)
512
Intermittent Ground Fault Protection
517
Automatic Reclosing System
518
Fault Locator
519
Breaker Failure Protection 50BF
520
Flexible Protection Functions
521
Synchronization Function
524
Temperature Detection Via RTD Boxes
526
User-Defined Functions (CFC)
527
Additional Functions
532
Breaker Control
537
Dimensions
538
Panel Fush and Cubicle Mounting (Housing Size 1 / 3 )
538
Panel Flush and Cubicle Mounting (Housing Size 1 / 2 )
539
Panel Flush and Cubicle Mounting (Housing Size 1 / 1 )
540
Panel Surface Mounting (Housing Size 1 / 3 )
541
Panel Surface Mounting (Housing Size 1 / 2 )
541
Panel Surface Mounting (Housing Size 1 / 1 )
542
Housing for Mounting with Detached Operator Panel or Without Operator Panel
543
Housing for Mounting with Detached Operator Panel or Without Operator Panel (Housing Size )
544
Detached Operator Panel
545
D-Subminiature Connector of Dongle Cable (Panel Flush or Cubicle Door Cutout)
546
Varistor
546
Appendix
547
Ordering Information and Accessories
548
Ordering Information
548
7Sj64 V4.7
553
A.1.1.2 7Sj64 V4.7
553
Accessories
558
A.1.2 Accessories
558
Terminal Assignments
561
7SJ62 - Housing for Panel Flush Mounting or Cubicle Installation
561
A.2 Terminal Assignments
561
7SJ62 - Housing for Panel Surface Mounting
565
7SJ62 - Interface Assignment on Housing for Panel Surface Mounting
569
7SJ64 - Housing for Panel Flush Mounting or Cubicle Installation
571
7SJ64 - Housing for Panel Surface Mounting
578
7SJ64 - Housing with Detached Operator Panel
585
7SJ64 - Housing for Panel Surface Mounting Without Operator Panel
591
Connector Assignment
597
A.2.8 Connector Assignment
597
Connection Examples
598
Connection Examples for Current Transformers, All Devices
598
A.3 Connection Examples
598
Connection Examples for Voltage Transformers 7SJ621, 7SJ622
602
Connection Examples Voltage Transformers 7SJ623, 7SJ624, 7SJ64
605
Connection Example for High-Impedance Ground Fault Differential Protection
610
Connection Examples for RTD-Box
610
Current Transformer Requirements
612
Accuracy Limiting Factors
612
Effective and Rated Accuracy Limiting Factor
612
Calculation Example According to IEC 60044-1
612
Class Conversion
613
A.4.2 Class Conversion
613
Cable Core Balance Current Transformer
614
General
614
Requirements
614
Class Accuracy
614
7 Sj62 V4.7
548
A.1 Ordering Information and Accessories
548
A.5 Default Settings
615
Default Settings
615
Leds
615
A.5.2 Binary Input
616
Binary Input
616
Binary Output
616
A.5.4 Function Keys
617
Default Display
617
Function Keys
617
Pre-Defined CFC Charts
622
Protocol-Dependent Functions
625
A.7 Functional Scope
626
Functional Scope
626
A.8 Settings
629
Settings
629
A.9 Information List
653
Information List
653
A.10 Group Alarms
682
Group Alarms
682
A.11 Measured Values
683
Measured Values
683
Literature
687
Glossary
689
Index
701
Other manuals for Siemens SIPROTEC 7SJ62
Instruction Manual
536 pages
Technical Data
58 pages
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Siemens SIPROTEC 7SJ62 Specifications
General
Brand
Siemens
Model
SIPROTEC 7SJ62
Category
Relays
Language
English
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