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SIPROTEC 7SJ80
Siemens SIPROTEC 7SJ80
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No.
Information
Type of
Informa-
tion
Comments
18919
EF BLK PaErr
OUT
Earth fault (extend) BLOCK Setting Error
Functions
2.12 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
SIPROTEC 4, 7SJ80, Manual
197
E50417-G1140-C343-A8, Edition 12.2017
196
198
Table of Contents
Main Page
Default Chapter
3
Preface
3
Open Source Software
9
Table of Contents
11
1 Introduction
19
Overall Operation
20
Application Scope
22
Characteristics
24
2 Functions
29
General
30
Functional Scope
30
Functional Description
30
Setting Notes
30
Settings
32
Device, General Settings
34
Functional Description
34
Setting Notes
34
Settings
35
Information List
36
Power System Data 1
37
Functional Description
37
Setting Notes
38
Settings
43
Information List
46
Oscillographic Fault Records
46
Functional Description
47
Setting Notes
48
Settings
48
Information List
48
Settings Groups
49
Functional Description
49
Setting Notes
49
Settings
49
Information List
49
Power System Data 2
50
Functional Description
50
Setting Notes
50
Settings
53
Information List
54
EN100-Module
55
Functional Description
55
Setting Notes
55
Information List
55
Overcurrent Protection 50, 51, 50N, 51N
56
General
56
Definite Time, High-Set Elements 50-3, 50-2, 50N-3, 50N-2
57
Definite Time Overcurrent Elements 50-1, 50N-1
59
Inverse Time Overcurrent Elements 51, 51N
62
Inverse Time Overcurrent Protection 51V (Voltage-Controlled / Voltagerestraint)
65
Dynamic Cold Load Pickup Function
67
Inrush Restraint
68
Pickup Logic and Tripping Logic
69
Two-Phase Overcurrent Protection (Only Non-Directional)
70
Fast Busbar Protection Using Reverse Interlocking
71
Setting Notes
72
Settings
77
Information List
79
Directional Overcurrent Protection 67, 67N
82
General
82
Definite Time Directional High-Set Elements 67-2, 67N-2, 67-3, 67N-3
84
Definite Time, Directional Time Overcurrent Elements 67-1, 67N-1
85
Inverse Time, Directional Overcurrent Elements 67-TOC, 67N-TOC
88
Interaction with Fuse Failure Monitor (FFM)
89
Dynamic Cold Load Pickup Function
90
Inrush Restraint
90
Determination of Direction
90
Reverse Interlocking for Double End Fed Lines
94
Setting Notes
95
Settings
101
Information List
104
Dynamic Cold Load Pickup
106
Functional Description
106
Setting Notes
108
Settings
109
Information List
111
Single-Phase Overcurrent Protection
112
Functional Description
112
High-Impedance Ground Fault Unit Protection
113
Tank Leakage Protection
115
Setting Notes
116
Settings
121
Information List
121
Voltage Protection 27, 59
122
Measurement Principle
122
Overvoltage Protection 59
123
Undervoltage Protection 27
124
Setting Notes
127
Settings
130
Information List
131
Negative Sequence Protection 46
132
Definite Time Characteristic
132
Inverse Time Characteristic
132
Setting Notes
135
Settings
136
Information List
137
Frequency Protection 81 O/U
138
Functional Description
138
Setting Notes
139
Settings
140
Information List
141
Undervoltage-Controlled Reactive Power Protection (27/Q)
142
Functional Description
142
Setting Notes
144
Settings
145
Information List
146
Thermal Overload Protection 49
147
Functional Description
147
Setting Notes
149
Settings
152
Information List
152
Monitoring Functions
154
Measurement Supervision
154
General
154
Hardware Monitoring
154
Software Monitoring
156
Monitoring of the Transformer Circuits
157
Measurement Voltage Failure Detection
158
Broken Wire Monitoring of Voltage Transformer Circuits
162
Setting Notes
163
Settings
164
Information List
165
Trip Circuit Supervision 74TC
166
Functional Description
166
Setting Notes
169
Settings
169
Information List
170
Malfunction Responses of the Monitoring Functions
170
Description
170
Ground Fault Protection 64, 67N(S), 50N(S), 51N(S)
172
Ground Fault Detection for Cos-Φ / Sin-Φ Measurement (Standard Method)
172
Ground Fault Detection for V0/I0-Φ Measurement
178
Extended Ground Fault Protection EPTR/TNP
182
General Information
182
Ground-Fault Protection EPTR - B
183
Transformer Neutral-Point Protection TNP
184
Ground Fault Location
184
Setting Notes
185
Settings
193
Settings EPTR, TNP
195
Information List
195
Information List EPTR, TNP
196
Intermittent Ground Fault Protection
198
Functional Description
198
Setting Notes
201
Settings
202
Information List
203
Dir. Intermittent Earth Fault Protection
204
Functional Description
204
Setting Notes
207
Settings
208
Information List
208
Automatic Reclosing System 79
209
Program Execution
209
Blocking
213
Status Recognition and Monitoring of the Circuit Breaker
215
Controlling Protection Elements
216
Zone Sequencing / Fuse Saving Scheme
218
Setting Notes
219
Settings
224
Information List
230
Fault Locator
232
Functional Description
232
Setting Notes
233
Settings
234
Information List
234
Breaker Failure Protection 50BF
235
Functional Description
235
Setting Notes
238
Settings
240
Information List
241
Flexible Protection Functions
242
Functional Description
242
Setting Notes
246
Settings
250
Information List
252
Reverse-Power Protection Application with Flexible Protection Function
253
Functional Description
253
Implementation of the Reverse Power Protection
256
Configuring the Reverse Power Protection in DIGSI
258
Synchrocheck
261
General
261
Functional Sequence
263
De-Energized Switching
264
Direct Command / Blocking
265
Interaction with Control, Automatic Reclosing and External Control
265
Setting Notes
267
Settings
271
Information List
272
Phase Rotation
274
Functional Description
274
Setting Notes
274
Function Logic
275
Pickup Logic of the Entire Device
275
Tripping Logic of the Entire Device
275
Setting Notes
276
Auxiliary Functions
277
Message Processing
277
LED Displays and Binary Outputs (Output Relays)
277
Information on the Integrated Display (LCD) or Personal Computer
277
Information to a Control Center
279
Statistics
279
Functional Description
279
Circuit Breaker Maintenance
280
Setting Notes
286
Information List
288
Measurement
288
Display of Measured Values
289
Transfer of Measured Values
290
Information List
291
Average Measurements
292
Functional Description
292
Setting Notes
292
Settings
293
Information List
293
Min/Max Measurement Setup
293
Functional Description
293
Setting Notes
293
Settings
294
Information List
294
Set Points for Measured Values
295
Setting Notes
296
Set Points for Statistic
296
Functional Description
296
Information List
296
Energy Metering
296
Functional Description
297
Setting Notes
297
Settings
297
Information List
297
Commissioning Aids
297
Functional Description
298
Breaker Control
299
Control Device
299
Functional Description
299
Information List
300
Types of Commands
300
Functional Description
300
Command Sequence
300
Functional Description
301
Interlocking
301
Command Logging
308
Functional Description
308
Notes on Device Operation
309
Different Operation
309
3 Mounting and Commissioning
311
Mounting and Connections
312
Configuration Information
312
Hardware Modifications
315
Disassembly
315
Connections of the Current Terminals
318
Connections of the Voltage Terminals
319
Interface Modules
320
Reassembly
322
Installation
323
General
323
Panel Flush Mounting
324
Cubicle Mounting
325
Panel Surface Mounting
326
Checking Connections
328
Checking the Data Connections of the Interfaces
328
Checking the System Connections
330
Commissioning
332
Test Mode and Transmission Block
333
Testing the System Interface (at Port B)
333
Configuring Communication Modules
334
Checking the Status of Binary Inputs and Outputs
338
Tests for Breaker Failure Protection
340
Testing User-Defined Functions
342
Current, Voltage, and Phase Rotation Testing
342
Test for High Impedance Protection
343
Testing the Reverse Interlocking Scheme
343
Direction Check with Load Current
344
Polarity Check for Voltage Input V
345
Ground Fault Check
347
Polarity Check for Current Input Ι
347
Trip/Close Tests for the Configured Operating Devices
350
Creating Oscillographic Recordings for Tests
350
Final Preparation of the Device
352
4 Technical Data
353
General Device Data
354
Analog Inputs
354
Auxiliary Voltage
354
Binary Inputs and Outputs
355
Communication Interfaces
356
Electrical Tests
358
Mechanical Tests
360
Climatic Stress Tests
360
Service Conditions
361
Constructive Design
361
UL Certification Conditions
362
Definite-Time Overcurrent Protection
363
Inverse-Time Overcurrent Protection
365
Directional Overcurrent Protection
376
Inrush Restraint
378
Dynamic Cold Load Pickup
379
1-Phase Overcurrent Protection
380
Voltage Protection
381
Negative Sequence Protection (Definite-Time Characteristic)
383
Negative Sequence Protection (Inverse-Time Characteristics)
384
Frequency Protection 81 O/U
390
Undervoltage-Controlled Reactive Power Protection (27/Q)
391
Thermal Overload Protection
393
Ground Fault Detection (Sensitive/Insensitive)
395
Intermittent Ground Fault Protection
401
Directional Intermittent Ground Fault Protection
402
Automatic Reclosing
403
Fault Locator
404
Breaker Failure Protection 50BF
405
Flexible Protection Functions
406
Synchrocheck 25
409
User-Defined Functions (CFC)
411
Auxiliary Functions
416
Switching Device Control
421
Dimensions
422
Panel Flush and Cubicle Mounting (Housing Size 1/6)
422
Panel Surface Mounting (Housing Size 1/6)
423
Bottom View
423
Varistor
424
A Ordering Information and Accessories
425
Ordering Information 7SJ80
426
Accessories
431
B Terminal Assignments
433
7SJ80 - Housing for Panel Flush Mounting and Cubicle Installation and for Panel Surface Mounting
434
C Connection Examples
441
Connection Examples for Current and Voltage Transformers
442
Connection Examples for SICAM I/O Units
454
D Current Transformer Requirements
455
Accuracy Limiting Factors
456
Class Conversion
457
Cable Core Balance Current Transformer
458
Default Settings and Protocol-Dependent Functions
459
Leds
460
Binary Input
462
Binary Output
463
Function Keys
464
Default Display
465
Protocol-Dependent Functions
468
F Functions, Settings, Information
469
Functional Scope
470
Settings
472
Information List
501
Group Alarms
539
Measured Values
541
Literature
547
Glossary
549
Index
559
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