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SIPROTEC 4 7SD80
Siemens SIPROTEC 4 7SD80
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[ausloesekennlinie-ueberlast-1111203-he, 1, en_US]
Figure 4-6
Trip time curves for the thermal overload protection (49)
Technical Data
4.10 Thermal Overload Protection 49
SIPROTEC 4, 7SD80, Manual
277
E50417-G1100-C474-A2, Edition 02.2018
276
278
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
23
Characteristics
25
2 Functions
29
General
30
Functional Scope
30
Functional Description
30
Setting Notes
30
Settings
32
Device, General Settings
33
Functional Description
33
Setting Notes
34
Settings
34
Information List
34
General Power System Data (Power System Data 1)
36
Setting Notes
36
Settings
38
Oscillographic Fault Records
39
Functional Description
40
Setting Notes
40
Settings
40
Information List
40
Change Group
40
Functional Description
41
Setting Notes
41
Settings
41
Information List
41
General Protection Data (Power System Data 2)
42
Setting Notes
42
Settings
43
Information List
44
EN100-Modul 1
45
Functional Description
45
Information List
45
Protection Interface
45
Setting Notes
46
Settings
46
Information List
47
Phase Comparison Protection and Ground Differential Protection
48
Differential Topology
48
Setting Notes
48
Settings
48
Information List
48
Phase Comparison Protection
49
Functional Description
49
Setting Notes
53
Ground Current Differential Protection in Grounded Systems
54
Funktionsbeschreibung
54
Setting Notes
57
Restricted Ground-Fault Protection in Resonant-Grounded/Isolated Systems
58
Funktionsbeschreibung
58
Setting Notes
61
Differential Protection Pickup Logic and Tripping Logic
62
Functional Description
62
Differential Protection
63
Settings
63
Information List
64
Differential Protection Test and Commissioning
65
Differential Protection Test
65
Differential Protection Commissioning
66
Breaker Intertrip and Remote Tripping
69
Functional Description
69
Setting Notes
70
Settings
71
Information List
71
Backup Overcurrent
72
Operating Modes
72
Non-Directional Overcurrent Protection
72
Directional Overcurrent Protection
76
Setting Notes
82
Settings
85
Information List
88
Inrush Restraint
91
Functional Description
91
Setting Notes
92
Settings
92
Information List
93
Circuit Breaker Failure Protection 50BF
94
Functional Description
94
Setting Notes
100
Settings
102
Information List
103
Thermal Overload Protection 49
104
Functional Description
104
Setting Notes
105
Settings
107
Information List
107
Undervoltage and Overvoltage Protection (Optional) 27/59
108
Overvoltage Protection (ANSI 59)
108
Undervoltage Protection (ANSI 27)
112
Setting Notes
115
Settings
117
Information List
119
Frequency Protection (Optional) 81
123
Functional Description
123
Setting Notes
125
Settings
127
Information List
127
Direct Local Trip
129
Functional Description
129
Setting Notes
129
Settings
130
Information List
130
Automatic Reclosure Function (Optional) 79
131
Functional Description
131
Setting Notes
136
Settings
139
Information List
140
Circuit Breaker Test
142
CB Close Detection
142
Circuit-Breaker Position Detection
144
Circuit-Breaker Test
146
Information List
146
Direct Remote Trip and Transmission of Binary Information
147
Functional Description
147
Information List
147
Monitoring Functions
149
Measurement Supervision
149
Hardware Monitoring
149
Software Monitoring
150
External Transformer Circuits
150
Fault Responses
158
Setting Notes
159
Settings
160
Information List
161
74TC Trip Circuit Supervision
162
Functional Description
162
Setting Notes
165
Settings
165
Information List
165
Flexible Protection Functions
167
Functional Description
167
Setting Notes
170
Settings
174
Information List
175
Function Logic
177
Pickup Logic for the Entire Device
177
Tripping Logic for the Entire Device
177
Auxiliary Functions
181
Message Processing
181
Leds and Binary Outputs (Output Relays)
181
Information Via Display Field or PC
181
Information to a Control Center
182
Statistics
183
Functional Description
183
Information List
183
Measurement During Operation
184
Functional Description
184
Information List
185
Differential Protection Values
186
Measured Values of the Differential Protection
186
Information List
186
Measured Values Constellation
186
Functional Description
186
Min/Max Measurement Setup
187
Functional Description
187
Setting Notes
187
Settings
187
Information List
188
Demand Measurement Setup
189
Functional Description
189
Setting Notes
190
Settings
190
Information List
190
Set Points (Measured Values)
190
Information List
191
Energy
191
Energy Metering
191
Setting Notes
192
Information List
192
Breaker Control
193
Control Device
193
Functional Description
193
Information List
194
Types of Commands
194
Functional Description
194
Command Sequence
195
Functional Description
195
Switchgear Interlocking
196
Functional Description
196
Command Logging
202
Functional Description
202
Notes on Device Operation
203
Different Operation
203
3 Mounting and Commissioning
205
Mounting and Connections
206
Configuration Information
206
Hardware Modifications
209
Disassembly
209
Connections of the Current Terminals
212
Connections of the Voltage Terminals
214
Interface Modules
214
Reassembly
217
Installation
218
General
218
Panel Flush Mounting
218
Cubicle Mounting
219
Panel Surface Mounting
220
Checking Connections
222
Checking the Data Connections of the Interfaces
222
Checking the Protection Data Communication
224
Checking the System Connections
225
Commissioning
227
Test Mode and Transmission Block
228
Checking Time Synchronization
228
Testing the System Interface
228
Configuring Communication Modules
230
Checking the Status of Binary Inputs and Outputs
233
Checking the Protection Data Communication
236
Checking Circuit Breaker Failure Protection
238
Checking the Instrument Transformer Connections of One Line End
239
Checking the Instrument Transformer Connections of Two Line Ends
244
Checking the Pilot Protection for Internal and External Remote Tripping
244
Checking User-Defined Functions
244
Trip and Close Test with the Circuit Breaker
244
Switching Check for the Configured Equipment
245
Triggering Oscillographic Recording for Test
245
Final Preparation of the Device
247
4 Technical Data
249
General Device Data
250
Analog Inputs
250
Auxiliary Voltage
250
Binary Inputs and Outputs
251
Communication Interfaces
252
Electrical Tests
254
Mechanical Stress Tests
256
Climatic Stress Tests
256
Service Conditions
257
Design
257
UL Certification Conditions
257
Protection Interfaces and Connections
259
87 Differential Protection Phase Comparison Protection
261
Ground Fault Differential Protection in Grounded Systems
264
Ground Fault Differential Protection in Resonant-Grounded / Isolated Systems
265
Breaker Intertrip and Remote Tripping- Direct Local Trip
266
Time Overcurrent Protection
267
Inrush Current Restraint Breaker Intertrip and Remote Tripping
274
Circuit-Breaker Failure Protection (Optional)
275
Thermal Overload Protection 49
276
Voltage Protection (Optional)
278
Frequency Protection (Optional)
281
Automatic Reclosing (Optional)
282
Transmission of Binary Information and Commands
283
Monitoring Functions
284
Flexible Protection Functions
286
User-Defined Functions (CFC)
289
Additional Functions
293
Dimensions
296
Panel Flush Mounting and Cabinet Flush Mounting (Housing Size 1/6)
296
Panel Surface Mounting (Housing Size 1/6)
297
Bottom View
297
A Ordering Information and Accessories
299
A.1 Ordering Information 7SD80 V4.7
300
Accessories
303
B Terminal Assignments
305
7SD80 - Housing for Panel Flush Mounting, Cabinet Flush Mounting and Panel Surface Mounting
306
C Connection Examples
313
Connection Examples for Current and Voltage Transformers
314
Current Transformer Requirements
317
Current Transformer Ratio
318
Overcurrent Factors
319
Class Conversion
320
Core Balance Current Transformer
321
E Default Settings and Protocol-Dependent Functions
323
Leds
324
Binary Input
325
Binary Output
326
Function Keys
327
Default Display
328
Pre-Defined CFC Charts
331
Protocol-Dependent Functions
332
Functions, Settings, Information
333
Functional Scope
334
Settings
336
Information List
352
Group Indications
392
Measured Values
393
Literature
401
Glossary
403
Index
413
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