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Seg WI Series User Manual
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11.2.2.1
DEFT –
Denite
Time-Overcurrent (IG>, IG>>)
100
10
1
0.1
0.01
t / s
IG / IGnom
t
IG>
DEFT
wiEDOC_Z00
1
10
T
rip delay for IG > I
G>
, settable via [Pr
otection P
ara / IG>]
»t«
.
The reset delay for IG < I
G>
always equals 0 (”instantaneous”).
291
WIC1
WIC1-1.0-EN-MAN
11 Appendix
11.2.2.1 DEFT –
Denite
T
ime-
Overcur
rent (IG>, IG>>)
290
292
Table of Contents
Table of Contents
3
Safety Messages and Proper Use of the WIC1
11
Important Definitions
11
Proper Use of the Device and of this Manual
12
Personal Safety
15
Important Information
16
WIC1 - Introduction and General Information
17
Basic Wiring Concept
19
Operating Concept for the WIC1
21
Supply of a WIC1
22
WIC1 Protection Features
24
Functional Overview
24
Device Features
25
Comments on the Manual
27
Symbols in Function Diagrams
28
Information about the Device
31
Order Form of the Device
32
Order Form of the CT-Powered Device Types
33
Order Form of the Dual-Powered WIC1-4
35
Order Form of the WIC1-Compatible Current Transformers
37
Order Form WI1SZ4
38
Order Form WI1SZ5
38
Order Form of the Diggimec
39
Settings - Operation
40
Smart View
42
Device Planning
43
Modules, Settings, Signals and Values
45
Measuring Values
47
Reset
49
Reset to Factory Defaults
51
Security
52
Password
52
Hardware
53
Overview of Elements and Connectors
53
Terminals, Screws and Torques
56
Dimension Drawings
58
WIC1 Dimension Drawings
58
Diggimec Dimension Drawings
60
Dimension Drawings of the WIC1-Compatible Current Transformers
62
Dimension Drawing of the Flag Indicator WI1SZ5
65
WIC1 - Installation and Wiring
66
Grounding
66
Nut "PE" for Grounding
67
Selection of a WIC1-Compatible Current Transformer
68
Current Ranges of the WIC1-Cts
69
CT Type WE2
70
Selection of the CT Transformation Voltage Ratio
70
Adapter Cts for 1 a
73
Requirements for 1 a Standard Cts Being Used with Adapter Cts
74
Phase and Ground Current Measuring Inputs
77
Current Measuring Inputs for WIC1-Cts and Without Ground Current Input
79
Current Measuring Inputs for WIC1-Cts with Ground Current Input
80
Current Measuring Inputs for Broad-Range-Cts and Without Ground Current Input
81
Current Measuring Inputs for Broad-Range-Cts with Ground Current Input
82
Digital Input (Only WIC1-1
83
Additional Power Supply and Digital Inputs (WIC1-4
84
Outputs (Trip Coil, Flag Indicator, Relay Output)
86
Self-Supervision Contact for the WIC1-4
89
Connecting a Flag Indicator to the WIC1
90
Impulse Signal for the Flag Indicator
92
Input, Output and LED Settings
93
General Pickup, General Alarm, General Trip
123
4.1.1.1 Trip Pulse and WIC1 Leds
125
Phase-Selective Signals, Collective Signals
126
Force Trip Command
128
Blockings
129
Switching Protection Functions on or off
129
Temporary Blocking
130
Control of a Switchgear
131
Switchgear Configuration
131
Field Parameters
136
Field Parameter Settings Via Diggimec or Via Smart View
136
I>, I>>, I>>> - Phase Overcurrent Protection
138
Functionality
139
Phase Overcurrent Protection - Settings
141
Phase Overcurrent Protection - Settings Via Diggimec or Via Smart View
142
IH2 - Inrush Blocking
144
Functionality
145
Inrush - Settings
146
Inrush - Settings Via Diggimec or Via Smart View
146
Commissioning: Inrush
147
IG>, IG>> - Earth (Ground) Overcurrent Protection
148
Functionality
149
Earth (Ground) Overcurrent Protection - Settings
150
Earth (Ground) Overcurrent Protection - Settings Via Diggimec or Via Smart View
151
I2/I1> - Unbalanced Load [46]
153
Functionality
154
Current Unbalance Protection - Settings Via Diggimec or Via Smart View
155
I2> - Negative-Sequence Current Protection [51Q]
156
Functionality
157
Settings Via Diggimec or Via Smart View
158
Thr - Thermal Overload [49]
160
Functionality
161
Thermal Overload - Settings Via Diggimec or Via Smart View
162
Ipeak> - Peak Overcurrent Protection
163
Functionality
164
Ipeak> - Settings
165
Ipeak> - Settings Via Diggimec or Via Smart View
165
SOTF - Switch Onto Fault
166
SOTF - Settings Via Diggimec or Via Smart View
168
Exp - External Protection
169
Functionality
170
External Protection - Settings Via Diggimec or Via Smart View
171
CBF - Circuit Breaker Failure [50BF, 62BF]
172
Principle - General Use
172
States / Standby
173
Functionality
173
Integrated Backup Phase Overcurrent Protection
174
Activation of the Backup Protection
175
Supervision
176
TCM" - Trip Circuit Monitoring [74TC]
176
Fault Recorder
177
5.1 Fault Display Screen (Overlay / Pop-Up) on the Diggimec
180
Content of a Fault Record
181
How to Read out the Fault Recorder
182
Self-Supervision
183
Device Start (Reboot)
184
Self-Supervision Messages
185
Commissioning
187
Commissioning / Protection Test
188
Special Features of the WIC1 Test
189
Selection of the Secondary Test System
189
Measurement of the Resistive Burden
190
Checks During Commissioning
190
Test Windings, Test Sockets
190
Wiring Checks
192
Self-Supervision Contact for the WIC1-4
193
WIC1 Settings
193
Functional Test
193
Test Currents
194
Pickup Thresholds for the Phase Overcurrent Stage I
195
Pickup Thresholds for the Short-Circuit (Phase Overcurrent) Stage I
196
Special Features for Tests of Calculated Ground (Earth) Overcurrent
197
Tripping Thresholds for the Calculated Ground Overcurrent Stage IG
198
Putting out of Operation - Plug out the Relay
200
Restart of the WIC1
200
Measuring the Trip Delay
201
Servicing and Maintenance
203
Technical Data
204
Technical Data - WIC1
204
Climatic and Environmental Data
204
Housing
204
Degree of Protection en 60529
205
Phase Current Measurement
206
Ground Current Measurement
206
Leds
207
Power Supply
207
Outputs
207
Impulse Output for the Tripping Coil
208
Impulse Output for a Flag Indicator
208
Relay Ouput (WIC1-4)
209
Remote (External) Trip Input / Digital Input (WIC1-1, WIC1-2, WIC1-3)
209
Digital Inputs (WIC1-4)
210
Smart View Connections
210
Self-Supervision Messages
211
Standards
212
9.1.13.1 Design Standards
212
Tolerances / Accuracy - WIC1
213
Protection Elements Accuracy
213
Phase Overcurrent Protection
213
Ground (Earth) Overcurrent Protection
215
Unbalanced Load [46], Negative-Sequence Current Protection [51Q]
217
Peak Overcurrent Protection
218
Inrush Blocking
219
Switch Onto Fault (SOTF)
219
Thermal Overload Protection
220
External Protection
220
Measured Trip Times (Fn = 50 Hz, 1-/3-Phase)
221
Technical Data - Diggimec
223
Climatic and Environmental Data
223
Housing
223
Degree of Protection en 60529
224
Voltage Supply
224
Binary Output Relays
225
Technical Data - WIC1 Cts
226
Technical Data - WIC1 Cts, Construction Type 1
226
Technical Data - WIC1 Cts, Construction Type 2
226
Test Windings, Test Sockets
228
Technical Data - WI1SZ4
229
Technical Data - WI1SZ5
230
Troubleshooting
231
In Case You Need to Contact Our Service-Team
231
Self-Supervision Messages
232
Self-Supervision - Error Messages
233
Self-Supervision - Warning Messages
234
Self-Supervision - Information Messages
236
Signals Via Leds (at WIC1 or Diggimec)
237
Problems with the Device
239
Hardware
239
Operation of the Device
241
Parameter Settings
242
Protection and Control
243
Communication
244
Appendix
246
Appendix - Settings Via DIP / HEX Switches
246
Settings Via DIP Switches (WIC1-2)
246
Settings Via HEX Switches (WIC1-3)
250
Setting of the Rated CT Current in
254
DIP-/HEX-Switch Settings for CT Types W2, WE2
255
11.1.3.2 DIP-/HEX-Switch Settings for CT Type W3
256
11.1.3.3 DIP-/HEX-Switch Settings for CT Type W4
257
11.1.3.4 DIP-/HEX-Switch Settings for CT Type W5
258
11.1.3.5 DIP-/HEX-Switch Settings for CT Type W6
259
Phase Overcurrent Protection - Settings Via DIP Switches (WIC1-2) or Via HEX Switches (WIC1-3)
260
Earth (Ground) Overcurrent Protection - Settings Via DIP Switches (WIC1-2) or Via HEX Switches (WIC1-3)
265
Inrush - Settings Via DIP Switches (WIC1-2) or Via HEX Switches (WIC1-3)
267
Ipeak> - Settings Via DIP Switches (WIC1-2) or Via HEX Switches (WIC1-3)
270
Appendix - Time Overcurrent Characteristics
271
Characteristics (I>, I>>, I>>>)
271
DEFT - Definite Time-Overcurrent (I>, I>>, I>>>)
273
Inverse-Time Characteristics (I>, I>>, I>>>)
275
Characteristics (IG>, IG>>)
289
DEFT - Definite Time-Overcurrent (IG>, IG>>)
291
Inverse-Time Characteristics (IG>, IG>>)
293
Characteristics "I2
308
DEFT - Definite Time-Overcurrent ("I2>")
310
Inverse-Time Characteristics ("I2>")
312
Index
326
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Reference Manual
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Seg WI Series Specifications
General
Brand
Seg
Model
WI Series
Category
Relays
Language
English
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