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SIPROTEC 7SK80
Siemens SIPROTEC 7SK80 User Manual
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Appendix
A.2 Terminal Assignments
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
410
7SK806*
Figure
A-6
General diagra
m 7SK806*
*) The shielding of the
connecting cable is
connected directly to the shield cap.
409
411
Table of Contents
Default Chapter
3
Functions
3
Table of Contents
9
1 Introduction
17
Overall Operation
18
Application Scope
21
Characteristics
23
2 Functions
27
General
28
Functional Scope
28
Description
28
Setting Notes
28
Settings
30
Device, General Settings
32
Description
32
Setting Notes
32
Settings
33
Information List
33
Power System Data 1
34
Description
34
Setting Notes
34
Settings
45
Information List
47
Oscillographic Fault Records
48
Description
48
Setting Notes
49
Settings
49
Information List
49
Settings Groups
50
Description
50
Setting Notes
50
Settings
50
Information List
51
Power System Data 2
51
Description
51
Setting Notes
51
Settings
52
Information List
52
EN100-Module
53
Functional Description
53
Information List
53
Overcurrent Protection 50, 51, 50N, 51N
54
General
54
Definite Time High-Set Elements 50-3, 50-2, 50N-3, 50N-2
55
Definite Time Overcurrent Elements 50-1, 50N-1
58
Inverse Time Overcurrent Elements 51, 51N
61
Dynamic Cold Load Pickup Function
64
Inrush Restraint
64
Pickup Logic and Tripping Logic
67
Two-Phase Overcurrent Protection (Only Non-Directional)
68
Fast Busbar Protection Using Reverse Interlocking
68
Setting Notes
69
Settings
74
Information List
77
Directional Ground Overcurrent Protection 67N
79
General
79
Definite Time, Directional High-Set Current Element 67N-2
80
Definite Time, Directional Overcurrent Element 67N-1
81
Inverse Time, Directional Overcurrent Element 67N-TOC
83
Interaction with Fuse Failure Monitor (FFM)
85
Dynamic Cold Load Pickup
85
Inrush Restraint
85
Determination of Direction
86
Setting Notes
88
Settings
92
Information List
93
Dynamic Cold Load Pickup
94
Description
94
Setting Notes
97
Settings
98
Information List
99
Voltage Protection 27, 59
100
Measurement Principle
100
Overvoltage Protection 59
102
Undervoltage Protection 27
103
Setting Notes
106
Settings
109
Information List
110
Negative Sequence Protection 46
111
Definite Time Characteristic
111
Setting Notes
115
Settings
118
Information List
118
Motor Protection (Motor Starting Protection 48, Motor Restart Inhibit 66, Load Jam Protection)
119
Motor Starting Protection 48
119
Description
119
Setting Notes
122
Motor Restart Inhibit 66
125
Description
125
Setting Notes
131
Load Jam Protection
135
Mode of Operation
135
Setting Notes
137
Motor (Motor Starting Protection 48, Motor Restart Inhibit 66, Load Jam Protection)
139
Settings
139
Information List
141
Frequency Protection 81 O/U
142
Description
142
Setting Notes
143
Settings
144
Information List
145
Thermal Overload Protection 49
146
Description
146
Setting Notes
150
Settings
155
Information List
155
Monitoring Functions
156
Measurement Supervision
156
General
156
Hardware Monitoring
156
Software Monitoring
159
Monitoring of the Transformer Circuits
159
Measuring Voltage Failure Detection
161
Broken Wire Monitoring of Voltage Transformer Circuits
166
Setting Notes
167
Settings
169
Information List
170
Trip Circuit Supervision 74TC
170
Description
171
Setting Notes
173
Settings
174
Information List
174
Malfunction Responses of the Monitoring Functions
174
Description
174
Ground Fault Protection 64, 67N(S), 50N(S), 51N(S)
177
Ground Fault Detection for Cos-Φ- / Sin-Φ Measurement (Standard Method)
177
Ground Fault Detection for V0/I0-Φ Measurement
184
Ground Fault Location
189
Setting Notes
190
Settings
196
Breaker Failure Protection 50BF
199
Description
199
Setting Notes
203
Settings
204
Information List
204
Flexible Protection Functions
205
Description
205
Setting Notes
210
Settings
215
Information List
217
Reverse-Power Protection Application with Flexible Protection Function
218
Description
218
Implementation of the Reverse Power Protection
221
Configuring the Reverse Power Protection in DIGSI
223
Temperature Detection Via RTD Boxes
226
Description
226
Setting Notes
228
Settings
231
Information List
236
Phase Rotation
237
Description
237
Setting Notes
238
Function Logic
239
Pickup Logic of the Entire Device
239
Tripping Logic of the Entire Device
240
Setting Notes
240
Auxiliary Functions
241
Message Processing
241
Leds and Binary Outputs (Output Relays)
241
Information Via Display Field or PC
242
Information to a Control Center
243
Statistics
244
Description
244
Circuit Breaker Maintenance
245
Motor Statistics
251
Setting Notes
251
Information List
254
Measurement
255
Display of Measured Values
256
Transmitting Measured Values
258
Information List
258
Average Measurements
260
Description
260
Setting Notes
260
Settings
260
Information List
261
Min/Max Measurement Setup
261
Description
261
Setting Notes
261
Settings
262
Information List
262
Set Points for Measured Values
264
Setting Notes
264
Set Points for Statistic
265
Description
265
Setting Notes
265
Information List
265
Energy Metering
266
Description
266
Setting Notes
266
Settings
266
Information List
266
Commissioning Aids
267
Description
267
Breaker Control
269
Control Device
269
Description
269
Information List
270
Command Types
271
Description
271
Command Sequence
272
Description
272
Interlocking
273
Description
273
Command Logging
280
Description
280
Notes on Device Operation
281
Different Operation
281
3 Mounting and Commissioning
285
Mounting and Connections
286
Configuration Information
286
Hardware Modifications
290
Disassembly
290
Connections of the Current Terminals
293
Connections of the Voltage Terminals
295
Connection of the Temperature Sensors to the I/O 2 Extension Module
295
Interface Modules
298
Reassembly
300
Installation
302
General
302
Panel Flush Mounting
303
Cubicle Mounting
304
Panel Surface Mounting
305
Checking Connections
306
Checking the Data Connections of the Interfaces
306
Checking the System Connections
310
Commissioning
312
Test Mode and Transmission Block
313
Testing the System Interface (at Port B)
313
Configuring Communication Modules
315
Checking the Status of Binary Inputs and Outputs
318
Tests for Circuit Breaker Failure Protection
321
Testing User-Defined Functions
322
Current, Voltage, and Phase Rotation Testing
323
Testing the Reverse Interlocking Scheme
324
Direction Check with Load Current
325
Polarity Check for Voltage Input V
326
Ground Fault Check
326
Polarity Check for Current Input I
327
Checking the Temperature Detection
329
Trip/Close Tests for the Configured Operating Devices
330
Creating Oscillographic Recordings for Tests
331
Final Preparation of the Device
332
4 Technical Data
334
General Device Data
334
Analog Inputs
334
Auxiliary Voltage
335
Binary Inputs and Outputs
336
Communication Interfaces
337
Electrical Tests
339
Mechanical Stress Tests
342
Climatic Stress Tests
343
Service Conditions
343
Design
344
UL-Certification Conditions
344
Definite-Time Overcurrent Protection 50(N)
345
Inverse-Time Overcurrent Protection 51(N)
347
Directional Ground Overcurrent Protection 67N
358
Inrush Restraint
359
Dynamic Cold Load Pickup
360
Voltage Protection
361
Negative Sequence Protection
363
Negative Sequence Protection 46-TOC
364
Motor Starting Protection
370
Motor Restart Inhibit
371
Load Jam Protection
372
Frequency Protection 81 O/U
373
Thermal Overload Protection
374
Ground Fault Protection 64, 67N(S), 50N(S), 51N(S)
376
Breaker Failure Protection 50BF
379
Flexible Protection Functions
380
Temperature Detection
383
User-Defined Functions (CFC)
385
Additional Functions
390
Breaker Control
395
Dimensions
396
Panel Flush and Cubicle Mounting (Housing Size 1/6)
396
Panel Surface Mounting (Housing Size 1/6)
397
Bottom View
398
Appendix
399
Ordering Information and Accessories
400
Ordering Information
400
7Sk80 V4.6
400
Accessories
403
A.1.2 Accessories
403
Terminal Assignments
405
7SK80 - Housing for Panel Flush Mounting and Cubicle Installation and for Panel Surface Mounting
405
A.2 Terminal Assignments
405
Connection Examples
411
A.3 Connection Examples
411
Connection Examples for RTD Box
422
Current Transformer Requirements
424
Accuracy Limiting Factors
424
Effective and Rated Accuracy Limiting Factor
424
Calculation Example According to IEC 60044-1
424
Class Conversion
425
A.4.2 Class Conversion
425
Cable Core Balance Current Transformer
426
General
426
Requirements
426
Class Accuracy
426
Default Settings
427
Leds
427
A.5 Default Settings
427
Binary Input
428
A.5.2 Binary Input
428
Binary Output
429
Function Keys
429
A.5.3 Binary Output
429
Default Display
430
A.5.5 Default Display
430
Protocol-Dependent Functions
433
Functional Scope
434
A.7 Functional Scope
434
Settings
436
A.8 Settings
436
Information List
451
A.9 Information List
451
Group Alarms
468
A.10 Group Alarms
468
Measured Values
469
A.11 Measured Values
469
Literature
473
Glossary
475
Index
487
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Siemens SIPROTEC 7SK80 Specifications
General
Brand
Siemens
Model
SIPROTEC 7SK80
Category
Protection Device
Language
English
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