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SIPROTEC 7UT63 series
Siemens SIPROTEC 7UT63 series User Manual
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SIPROTEC
Dif
ferential Protection
7UT613/63x
V4.60
Manual
C53000-G1
176-C160-2
Preface
Introduction
1
Functions
2
Mounting and Commissioning
3
T
e
chnical Data
4
Appendix
A
Literature
Glossary
Index
2
Table of Contents
Default Chapter
2
C53000-G1176-C160
2
Mounting and Commissioning 3
3
Table of Contents
7
1 Introduction
17
Overall Operation
18
Application Scope
21
Characteristics
23
2 Functions
31
General
33
Device
34
Setting Notes
34
Settings
34
Information List
34
EN100-Modul 1
35
Function Description
35
Setting Notes
35
Information List
36
Configuration of the Functional Scope
36
Setting Notes
36
Settings
43
Power System Data 1
45
Topology of the Protected Object
45
General Power System Data (Power System Data 1)
65
Assignment of Protection Functions to Measuring Locations / Sides
79
Circuit Breaker Data
83
Settings
84
Information List
96
Setting Groups
96
Setting Notes
97
Settings
97
Information List
97
Power System Data 2
97
Settings
100
Information List
101
Differential Protection
104
Functional Description of the Differential Protection
104
Differential Protection for Transformers
113
Differential Protection for Generators, Motors, and Series Reactors
121
Differential Protection for Shunt Reactors
122
Differential Protection for Mini-Busbars and Short Lines
123
Single-Phase Differential Protection for Busbars
124
Setting Notes
129
Settings
135
Information List
136
Restricted Earth Fault Protection
138
Application Examples
138
Function Description
141
Setting Notes
147
Settings
149
Information List
149
Time Overcurrent Protection for Phase and Residual Currents
150
General
150
Definite Time, Instantaneous Overcurrent Protection (UMZ)
150
Inverse Time Overcurrent Protection
154
Manual Close Command
158
Dynamic Cold Load Pickup
158
Inrush Restraint
159
Fast Busbar Protection Using Reverse Interlocking
160
Time Overcurrent Protection for Phase Currents
161
Setting Notes
161
Settings
169
Information List
171
Time Overcurrent Protection for Residual Current
172
Setting Notes
172
Settings
176
Information List
178
Time Overcurrent Protection for Earth Current
179
General
179
Definite Time, Instantaneous Overcurrent Protection (UMZ)
179
Inverse Time Overcurrent Protection
181
Manual Close Command
183
Dynamic Cold Load Pickup
183
Inrush Restraint
183
Setting Notes
184
Settings
188
Information List
189
Dynamic Cold Load Pickup for Time Overcurrent Protection
191
Function Description
191
Setting Notes
193
Settings
194
Information List
195
Single-Phase Time Overcurrent Protection
196
Function Description
196
High-Impedance Differential Protection
198
Tank Leakage Protection
200
Setting Notes
200
Settings
205
Information List
205
Unbalanced Load Protection
206
Function Description
206
Setting Notes
212
Settings
218
Information List
219
Thermal Overload Protection
220
General
220
Overload Protection Using a Thermal Replica
220
Overload Protection Using a Thermal Replica with Ambient Temperature Influence
223
Hot-Spot Calculation and Determination of the Ageing Rate
223
Setting Notes
226
Settings
230
Information List
231
RTD-Boxes for Overload Detection
232
Function Description
232
Setting Notes
232
Settings
233
Information List
237
Overexcitation Protection
239
Function Description
239
Setting Notes
241
Settings
243
Information List
244
Reverse Power Protection
245
Function Description
245
Setting Notes
246
Settings
249
Information List
249
Forward Power Supervision
250
Function Description
250
Setting Notes
251
Settings
253
Information List
254
Undervoltage Protection
255
Function Description
255
Setting Notes
256
Settings
257
Information List
257
Overvoltage Protection
259
Function Description
259
Setting Notes
260
Settings
261
Information List
262
Frequency Protection
263
Function Description
263
Setting Notes
265
Settings
266
Information List
267
Circuit Breaker Failure Protection
268
Function Description
268
Setting Notes
272
Settings
274
Information List
275
External Trip Commands
276
Function Description
276
Setting Notes
277
Settings
277
Information List
278
Monitoring Functions
279
Measurement Supervision
279
Hardware Monitoring
279
Software Monitoring
280
Monitoring of Measured Quantities
280
Setting Notes
285
Settings
286
Information List
287
Trip Circuit Supervision
288
Function Description
288
Setting Notes
291
Settings
291
Information List
291
Malfunction Responses of the Device
291
Summary of the most Important Monitoring Functions
292
Parameterisation Error
293
Protection Function Control
294
Pickup Logic for the Entire Device
294
General Device Pickup
294
Tripping Logic for the Entire Device
295
General Tripping
295
Disconnection of Measuring Locations
297
Functional Description
297
Information List
299
Additional Functions
300
Processing of Messages
300
General
300
Operational Annunciations (Buffer: Event Log)
302
Fault Annunciations (Buffer: Trip Log)
302
Spontaneous Annunciations
302
General Interrogation
303
Switching Statistics
303
Measurement
303
Display and Transmission of Measured Valuables
303
Settings
307
Information List
307
Thermal Measurement
310
Description
310
Information List
311
Differential and Restraining Measured Values
312
Function Description
312
Information List
313
Set Points for Measured Values
313
User Defined Set-Points
313
Energy Metering
314
Information List
315
Flexible Function
315
Function Description
315
Setting Notes
317
Settings
321
Information List
324
Oscillographic Fault Recording
325
Function Description
325
Setting Notes
326
Settings
326
Information List
327
Commissioning Aids
327
Web Monitor
327
Average Values, Minimum and Maximum Values
329
Demand Measurement Setup
330
Setting Notes
330
Settings
330
Min/Max Measurement Setup
330
Settings
331
Information List
331
Command Processing
332
Control Authorization
332
Type of Commands
332
Sequence in the Command Path
333
Interlocking
334
Recording and Acknowledgement of Commands
337
Information List
338
3 Mounting and Commissioning
339
Mounting and Connections
340
Configuration Information
340
Hardware Modifications
345
General
345
Disassembly
346
Switching Elements on Printed Circuit Boards
350
Interface Modules
364
Reassembly
369
Mounting
369
Panel Flush Mounting
369
Rack and Cubicle Mounting
370
Panel Surface Mounting
372
Removing the Transport Protection
373
Checking Connections
374
Checking Data Connections of Serial Interfaces
374
Checking the System Connections
377
Commissioning
379
Test Mode / Transmission Block
380
Test Time Synchronisation Interface
380
Testing the System Interface
381
Checking the Switching States of the Binary Inputs/Outputs
383
Checking the Setting Consistency
385
Secondary Check
389
Circuit Breaker Failure Protection Tests
395
Symmetrical, Primary Current Tests on the Protected Object
397
Zero Sequence Current Tests on the Protected Object
404
Current Tests for Busbar Protection
409
Checking for the Non-Assigned Single-Phase Current Inputs
411
Checking the Voltage Connections and Polarity Check
412
Testing User-Defined Functions
417
Stability Check and Triggering Oscillographic Recordings
418
Final Preparation of the Device
420
4 Technical Data
421
General
422
Analogue Inputs
422
Auxiliary Voltage
422
Binary Inputs and Outputs
423
Frequency Measurement Via the Positive Phase-Sequence Voltage U1
424
Communications Interfaces
425
Electrical Tests
430
Mechanical Tests
432
Climatic Stress Test
432
Service Conditions
433
Constructional Details
434
Differential Protection
435
Restricted Earth Fault Protection
441
Time Overcurrent Protection for Phase and Residual Currents
442
Time Overcurrent Protection for Earth Current (Starpoint Current)
453
Dynamic Cold Load Pickup for Time Overcurrent Protection
455
Single-Phase Time Overcurrent Protection
456
Unbalanced Load Protection
457
Thermal Overload
465
RTD Boxes for Overload Detection
468
Overload Protection
469
Reverse Power Protection
471
Forward Active Power Supervision
472
Undervoltage Protection
474
Overvoltage Protection (ANSI 59)
475
Frequency Protection
476
Circuit Breaker Failure Protection
478
External Trip Commands
479
Monitoring Functions
480
User-Defined Functions (CFC)
481
Flexible Protection Functions
485
Additional Functions
487
Dimensions
491
Panel Surface Mounting (Enclosure Size 1 / 2 )
491
Panel Surface Mounting (Enclosure Size 1 / 1 )
491
Panel Surface and Cabinet Mounting (Enclosure Size 1 / 2 )
492
Panel Surface and Cabinet Mounting (Enclosure Size 1 / 1 )
493
RTD Box
494
Appendix
495
Ordering Information and Accessories
496
Ordering Information
496
Differential Protection 7UT613 for 3 Measuring Locations
496
Differential Protection 7UT633 and 7UT635 for 3 to 5 Measuring Locations
499
Accessories
502
A.1.2 Accessories
502
Terminal Assignments
505
Panel Flush and Cubicle Mounting
505
A.2 Terminal Assignments
505
Panel Surface Mounting
514
Connection Examples
523
Current Transformer Connection Examples
523
A.3 Connection Examples
523
Voltage Transformer Connection Examples
536
Assignment of Protection Functions to Protected Objects
538
Current Transformer Requirements
539
Current Transformer in Accordance with BS 3938/IEC 60044-1 (2000)
540
Current Transformer in Accordance with ANSI/IEEE C 57.13
540
Default Settings
543
Leds
543
Binary Input
543
Binary Output
543
A.5 Default Settings
543
Function Keys
544
A.5.4 Function Keys
544
Default Display
545
A.5.5 Default Display
545
Pre-Defined CFC Charts
547
Protocol-Dependent Functions
548
Functional Scope
549
A.7 Functional Scope
549
Settings
552
A.8 Settings
552
Information List
582
A.9 Information List
582
Group Alarms
615
A.10 Group Alarms
615
Measured Values
617
A.11 Measured Values
617
Glossary
623
Literature
631
Index
633
5
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Siemens SIPROTEC 7UT63 series Specifications
General
Brand
Siemens
Model
SIPROTEC 7UT63 series
Category
Protection Device
Language
English
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