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Solkor 7PG2114
Siemens Solkor 7PG2114 Manuals
Manuals and User Guides for Siemens Solkor 7PG2114. We have
4
Siemens Solkor 7PG2114 manuals available for free PDF download: Technical Manual, Application Manual, Manual
Siemens Solkor 7PG2114 Technical Manual (325 pages)
Feeder Protection
Brand:
Siemens
| Category:
Protection Device
| Size: 11.87 MB
Table of Contents
Table of Contents
4
Description of Operation
3
Section 1: Introduction
8
General Safety Precautions
8
Current Transformer Circuits
8
External Resistors
8
Front Cover
8
Table 1-1 7PG2113/5 Ordering Options
9
Figure 1.1-1 Functional Diagram of 7PG2113/5 Relay with Autoreclose
10
Figure 1.1-2 Connections Diagram for 7PG2113 Relay
11
Figure 1.1-3 Connections Diagram for 7PG2115 Relay
12
Table 1-2 7PG2114/6 Ordering Options
13
Communications
13
Figure 1.1-4 Functional Diagram of 7PG2114/6 Relay with Autoreclose
14
Figure 1.1-5 Connections Diagram for 7PG2114 Relay
15
Figure 1.1-6 Connections Diagram for 7PG2116 Relay
16
Section 2: Hardware Description
17
General
17
Table 1-3 Summary of Compact Relay Configurations
17
Case
18
Figure 2.2-1 Relay Shown Withdrawn
18
Figure 2.2-2 Rear View of 7PG2113/4/5/6 Relay
18
Figure 2.2-3 Earth Symbol
18
Front Cover
19
Power Supply Unit (PSU)
19
Operator Interface/ Fascia
19
Figure 2.3-1 Relay with Standard Transparent Cover
19
Figure 2.5-1 Relay with Transparent Cover Removed
19
Figure 2.5-2 Close up of Typical Relay Labels
20
Figure 2.5-3 Close up of Relay Identifier
21
Current Inputs
23
Voltage Inputs
23
Figure 2.5-4 LED Indication Label
23
Binary Inputs
24
Binary Outputs (Output Relays)
24
Figure 2.8-1 Binary Input Logic
24
Figure 2.9-1 Binary Output Logic
25
Virtual Input/Outputs
26
Self Monitoring
26
Protection Healthy/Defective
26
Section 3: Current Differential Protection Function
27
Description
27
Figure 3.1-1 Solkor Rf Schematic
27
Figure 3.1-2 Solkor R Schematic
27
Figure 3.1-3 Solkor Rf 15Kv Schematic
28
Operation
29
Figure 3.2-1 through Fault, Zero Ohm Pilots, Positive Half Cycle
30
Figure 3.2-2 through Fault, Zero Ohm Pilots, Negative Half Cycle
30
Figure 3.2-3 through Fault, 1000 Ohm Pilots, Positive Half Cycle
31
Figure 3.2-4 through Fault, 1000 Ohm Pilots, Negative Half Cycle
31
Figure 3.2-5 through Fault Rf Mode, Positive Half Cycle
32
Figure 3.2-6 through Fault Rf Mode, Negative Half Cycle
32
Figure 3.2-7 through Fault Rf Mode, Positive Half Cycle
33
Figure 3.2-8 through Fault Rf Mode, Negative Half Cycle
33
Figure 3.2-9 Internal Fault Rf Mode, Positive Half Cycle
34
Figure 3.2-10 Internal Fault Rf Mode, Negative Half Cycle
34
Figure 3.2-11 Single End Fed Fault Rf Mode, Positive Half Cycle
35
Figure 3.2-12 Single End Fed Fault Rf Mode, Negative Half Cycle
35
Theory of Summation Transformer
36
Table 3-1 Summation Transformer Output
36
Section 4: Numeric Protection Module Functions
37
Current Protection: Phase Overcurrent (67, 51, 50)
37
Directional Control of Overcurrent Protection (67) - 7PG2114/6
37
Figure 4.1-1 Logic Diagram: Directional Overcurrent Element (67)
38
Instantaneous Overcurrent Protection (50)
39
Figure 4.1-2 Logic Diagram: Instantaneous Over-Current Element
39
Time Delayed Overcurrent Protection (51)
40
Applications Guide
40
Figure 4.1-3 Logic Diagram: Time Delayed Overcurrent Element
41
Siemens Protection Devices Limited
41
Current Protection: Voltage Controlled Overcurrent (51V) - 7PG2114/6
42
Figure 4.1-4 Logic Diagram: Voltage Controlled Overcurrent Protection
42
Current Protection: Derived Earth Fault (67N, 51N, 50N)
43
Directional Control of Derived Earth Fault Protection (67N) - 7PG2114/6
43
Instantaneous Derived Earth Fault Protection (50N)
44
Figure 4.2-1 Logic Diagram: Derived Directional Earth Fault Element
44
Time Delayed Derived Earth Fault Protection (51N)
45
Figure 4.2-2 Logic Diagram: Derived Instantaneous Earth Fault Element
45
Figure 4.2-3 Logic Diagram: Derived Time Delayed Earth Fault Protection
46
Current Protection: Measured Earth Fault (67G, 51G, 50G)
47
Directional Control of Measured Earth Fault Protection (67G) - 7PG2114/6
47
Figure 4.3-1 Logic Diagram: Measured Directional Earth Fault Protection
47
Instantaneous Measured Earth Fault Protection (50G)
48
Figure 4.3-2 Logic Diagram: Measured Instantaneous Earth-Fault Element
48
Time Delayed Measured Earth Fault Protection (51G)
49
Figure 4.3-3 Logic Diagram: Measured Time Delayed Earth Fault Element (51G)
50
Current Protection: High Impedance Restricted Earth Fault - (64H)
51
Figure 4.4-1 Logic Diagram: High Impedance REF (64H)
51
Current Protection: Cold Load (51C)
52
Figure 4.5-1 Logic Diagram: Cold Load Settings (51C)
52
Current Protection: Negative Phase Sequence Overcurrent - (46NPS)
53
Figure 4.6-1 Logic Diagram: Negative Phase Sequence Overcurrent (46NPS)
53
Current Protection: Under-Current (37)
54
Figure 4.7-1 Logic Diagram: Relays with 4 Current Inputs Undercurrent Detector (37)
54
Figure 4.7-2 Logic Diagram: Relays with 1 Current Inputs Undercurrent Detector (37)
54
Current Protection: Thermal Overload (49)
55
Figure 4.7-3 Logic Diagram: Thermal Overload Protection (49S)
56
Voltage Protection: Phase Under/Over Voltage (27/59) - 7PG2114/6
57
Figure 4.8-1 Logic Diagram: Under/Over Voltage Elements (27/59)
57
Voltage Protection: Negative Phase Sequence Overvoltage (47) - 7PG2114/6
58
Figure 4.9-1 Logic Diagram: NPS Overvoltage Protection (47)
58
Voltage Protection: Neutral Overvoltage (59N) - 7PG2114/6
59
Figure 4.10-1 Logic Diagram: Neutral Overvoltage Element (59N)
59
Section 5: Control & Logic Functions
60
Auto-Reclose (79) Optional Function
60
Overview
60
Auto Reclose Sequences
62
Figure 5.1-1 Typical AR Sequence with 3 Inst and 1 Delayed Trip
62
Autoreclose Prot'n Menu
63
Autoreclose Config Menu
63
P/F Shots Sub-Menu
65
E/F Shots Sub-Menu
65
SEF Shots Sub-Menu
65
Extern Shots Sub-Menu
66
Figure 5.1-2 Basic Auto-Reclose Sequence Diagram
67
Manual Close
68
Circuit Breaker (CB)
68
Figure 5.3-1 Logic Diagram: Circuit Breaker Status
69
Quick Logic
70
Figure 5.4-1 Sequence Diagram: Quick Logic PU/DO Timers (Counter Reset Mode Off)
71
Section 6: Supervision Functions
72
Circuit Breaker Failure (50BF)
72
Figure 6.1-1 Logic Diagram: Circuit Breaker Fail Protection (50BF)
72
VT Supervision (60VTS) - 7PG2114/6
73
Figure 6.2-1 Logic Diagram: VT Supervision Function (60VTS)
74
CT Supervision (60CTS)
75
60Cts - 7Pg2113/5
75
60Cts - 7Pg2114/6
75
Figure 6.3-1 Logic Diagram: CT Supervision Function (60CTS) - 7PG2113/5
75
Broken Conductor (46BC)
76
Figure 6.3-2 Logic Diagram: CT Supervision Function (60CTS) - 7PG2114/6
76
Figure 6.4-1 Logic Diagram: Broken Conductor Function (46BC)
76
Trip/ Close Circuit Supervision (74TCS & 74CCS)
77
Figure 6.5-1 Logic Diagram: Trip Circuit Supervision Feature (74TCS)
77
Figure 6.5-2 Logic Diagram: Close Circuit Supervision Feature (74CCS)
77
2Nd Harmonic Block/Inrush Restraint (81HBL2) Phase Elements Only
78
Demand
78
Figure 6.6-1 Functional Diagram for Harmonic Block Feature (81HBL2)
78
Section 7: Other Features
79
Data Communications
79
CB Maintenance
79
Output Matrix Test
79
CB Counters
79
I 2 T CB Wear
79
Table 7-1 CB Counters
79
Data Storage
80
General
80
Event Records
80
Waveform Records
80
Fault Records
80
Metering
81
Operating Mode
81
Control Mode
81
Table 7-2 Operating Modes
81
Real Time Clock
82
Time Synchronisation - Data Communication Interface
82
Time Synchronisation - Binary Input
82
Settings Groups
82
Password Feature
82
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
83
Section 1: Introduction/Section 2: Setting & Configuring the Relay Using Reydisp Evolution
84
Section 1: Introduction
85
Differential Protection
85
Protection Sensitivity
85
Pilot Resistance
85
Test Link
85
Pilot Supervision
85
Relay Menus and Display
85
Operation Guide
88
User Interface Operation
88
Setting Mode
89
Instruments Mode
91
Fault Data Mode
98
Section 2: Setting & Configuring the Relay Using Reydisp Evolution
99
Physical Connection
99
Front USB Connection
99
Rear RS485 Connection
100
Configuring Relay Data Communication
100
Connecting to the Relay for Setting Via Reydisp
101
Configuring the User Texts Using Reydisp Language Editor
101
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
104
Section 1: Common Functions/Section 2: Protection Functions
105
Section 1: Common Functions
108
General
108
CE Conformity
108
Reference
108
Dimensions
108
Weights
108
Energising Quantities
109
Auxiliary Power Supply
109
AC Current
110
AC Voltage
110
Binary (Digital) Outputs
111
Solkor Contactor no Contacts
111
Binary (Digital) Inputs
111
Functional Performance
113
Instrumentation
113
USB 2.0 Data Communication Interface
113
RS485 Data Communication Interface
113
Real Time Clock
113
Current Differential Application Limits
113
Pilot Cable Connection
113
Line Charging Current
114
Environmental Performance
114
General
114
Emissions
115
Immunity
115
Mechanical
116
Section 2: Protection Functions
118
27/59 Under/Over Voltage
118
Reference
118
Operate and Reset Level
118
Operate and Reset Time
118
Undercurrent
118
46NPS Negative Phase Sequence Overcurrent
119
Reference (46DT)
119
Operate and Reset Level (46DT)
119
Operate and Reset Time (46DT)
119
Reference (46IT)
119
Operate and Reset Level (46IT)
120
Operate and Reset Time (46IT)
120
Negative Phase Sequence Voltage
121
Reference (47)
121
Operate and Reset Level (47)
121
Operate and Reset Time (47)
121
Thermal Overload
121
Reference
121
Operate and Reset Level
124
Operate and Reset Time
124
Instantaneous Overcurrent
124
Reference
124
Instantaneous Measured Earth Fault
124
Instantaneous Derived Earth Fault
125
Reference
125
Operate and Reset Level
125
Operate and Reset Time
125
Time Delayed Overcurrent
126
Reference
126
Operate and Reset Level
126
Operate and Reset Time
126
Time Delayed Measured Earth Fault
131
Reference
131
Operate and Reset Level
131
Operate and Reset Time
132
Time Delayed Derived Earth Fault
133
Reference
133
Operate and Reset Level
133
Operate and Reset Time
135
Voltage Controlled Overcurrent
135
Reference
135
Operate and Reset Level
135
Neutral Voltage Displacement
136
Reference (59NDT)
136
Operate and Reset Level (59NDT)
136
Operate and Reset Time (59NDT)
136
Reference (59NIT)
136
Operate and Reset Level (59NIT)
136
Operate and Reset Time (59NIT)
137
Restricted Earth Fault Protection
138
Reference
138
Operate and Reset Level
138
Operate and Reset Time
138
67/67N Directional Overcurrent & Earth Fault
139
Reference
139
Operate Angle
139
Operate Threshold
139
Operate and Reset Time
139
Pilot Wire Current Differential
139
Operate Level
139
Operate Time
140
Stability Level
140
Section 3: Supervision Functions
141
46BC Broken Conductor
141
Reference
141
Operate and Reset Level
142
Operate and Reset Time
142
50BF Circuit Breaker Fail
142
Reference
142
Operate and Reset Time
143
60CTS Current Transformer Supervision
143
Reference
143
Current & Voltage Threshold
143
60VTS Voltage Transformer Supervision
144
Reference
144
Operate and Reset Level
144
Operate and Reset Time
144
74TCS & 74CCS Trip & Close Circuit Supervision
145
Reference
145
Operate and Reset Time
145
81HBL2 Inrush Detector
145
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
146
Table of Contents
147
Section 1: Introduction
148
Section 2: Physical Connection
149
Communication Ports
149
USB Interface
149
RS485 Interface
149
Section 3: IEC 60870-5-103 Definitions
151
Introduction
151
Section 4: Modbus Definitions
160
Introduction
160
Section 5: DNP3.0 Definitions
165
Device Profile
165
Implementation Table
168
Point List
175
Section 6: Configuration
182
Section 7: Glossary
183
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
184
Table of Contents
185
Section 1: Installation
186
Unpacking, Storage and Handling
186
Recommended Mounting Position
186
Wiring
186
Earthing
186
Ancillary Equipment
186
Section 2: Equipment Operating Conditions
187
Current Transformer Circuits
187
External Resistors
187
Front Cover
187
Section 3: Dimensions and Panel Fixings
188
Relay Dimensions and Weight
188
Fixings
192
Epsilon Cases
192
Vedette Cases
192
Back of Panel Cases
192
Section 4: Rear Terminal Drawings
193
E10 Case
193
Section 5: Connection/Wiring/Diagrams
194
Wiring Diagram: 7PG2113 OC/EF Relay with 3BI & 5BO
194
Wiring Diagram: 7PG2115 OC/EF Relay with 6BI & 8BO
195
Wiring Diagram: 7PG2114 OC/EF Relay with 3BI & 5BO
196
Wiring Diagram: 7PG2116 OC/EF Relay with 6BI & 8BO
197
Section 6: Data Comms Connections
198
RS485 Connection
198
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
199
Table of Contents
200
Section 1: Common Functions
204
Overview
204
Before Testing
204
Safety
204
Sequence of Tests
204
Test Equipment
205
Use of PC to Facilitate Testing
205
Precautions
205
Inspection
206
Applying Settings
206
Tests
206
Secondary Injection Tests
206
Primary Injection Tests
207
Secondary Wiring Insulation-Resistance Test
207
Current-Transformer Ratio and Polarity Tests
207
Pilot Insulation-Resistance Test
208
Pilot-Loop Resistance Tests
208
Pilot Connection Check
209
Putting into Service
210
Stability Tests
212
Alternative Tests if Primary Injection Equipment Is Not Available
213
Check of Fault Settings by Secondary Injection
213
Current Transformer Ratio and Polarity Tests
214
Check of Secondary Connections
215
AC Energising Quantities
216
Binary Inputs
216
Connections for Use in Solkor R Mode
217
Binary Outputs
218
Relay Case Shorting Contacts
218
Section 2: Protection Functions
219
Current Differential (87)
220
Phase Directional Polarity Check
220
Out of 3 Logic
222
Phase Overcurrent (67/50,67/51)
222
Definite Time Overcurrent (50)
223
Inverse Time Overcurrent (51)
223
Voltage Controlled Overcurrent (51V)
225
Cold Load (51C)
227
Inverse Time Overcurrent (51C)
228
Directional Earth Fault Polarity Check (67N)
230
Derived Earth Fault (67/50N, 67/51N)
231
Directional Polarity
232
Definite Time Overcurrent (50N)
232
Inverse Time Overcurrent (51N)
232
Measured Earth Fault (67/50G,67/51G)
235
Directional Polarity
236
Definite Time Overcurrent (67/50G)
236
Inverse Time Overcurrent (67/51G)
236
Sensitive Earth Fault (67/50S,67/51S)
239
Directional Polarity
240
(50Sef)
240
Inverse Time Overcurrent (51SEF)
240
Restricted Earth Fault (64H)
243
Negative Phase Sequence Overcurrent (46NPS)
245
Definite Time NPS Overcurrent (46DT)
246
Inverse Time NPS Overcurrent (46IT)
246
Undercurrent (37)
248
Thermal Overload (49)
250
Over/Under Voltage
252
Phase Under/Over Voltage (27/59)
252
Undervoltage Guard (27/59UVG)
254
NPS Overvoltage (47)
254
Neutral Overvoltage (59N)
256
Definite Time (59NDT)
256
Inverse Time (59NIT)
257
Section 3: Supervision Functions
258
CB Fail (50BF)
258
Element Blocking
259
Voltage Transformer Supervision (60VTS)
260
Or 2 Phase VT Fail
260
Phase VT Fail
261
Current Transformer Supervision (60CTS)
262
7Pg2113 & 7Pg2115
262
7Pg2114 & 7Pg2116
263
Broken Conductor (46BC)
264
Trip/Close Circuit Supervision (74T/CCS)
266
Magnetising Inrush Detector (81HBL)
267
Section 4: Control & Logic Functions
268
Autoreclose (79)
268
Quick Logic
268
Section 5: Testing and Maintenance
269
Periodic Tests
269
Maintenance
269
Troubleshooting
269
Section 6: Pilot Supervision Equipment
271
Introduction
271
Description of Equipment
271
Commissioning Tests
271
Check of Connections
271
Secondary Wiring Insulation Resistance Tests
272
Pilot Tests
272
Ratio and Polarity
272
Overall Fault Setting Tests
272
Check of Pilots Supervision Receive Relay
272
Test of Guard Relays (Where Fitted)
272
Test of Pilot Supervision Supply Failure Relay (Where Fitted)
273
Overall Tests of Pilot Supervision Equipment
273
Stability Tests
274
Putting into Service
274
Notes
274
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
276
Table of Contents
277
Section 1: Pilot Wire Current Differential Scheme
279
General
279
Information Required When Ordering
279
Equipment Options
280
Solkor Plain/Overcurrent Protection Schemes
280
Pilot Supervision 5Kv Schemes
280
15Kv Schemes
280
Application Diagrams
281
Essential External Wiring and Settings
283
Description of Typical Setting File
284
Application Considerations
286
Overcurrent Guard
286
5/15Kv Isolation Voltage
286
Pilot Cables
286
Pilot Supervision
287
Injection Intertripping
287
Capacitive Charging Currents
288
N/N1 Setting
288
In-Zone Tapped Load (Bleed-Off)
288
Section 2: Additional Functions
289
Multiple Settings Groups
289
Binary Inputs
290
Alarm and Tripping Inputs
290
The Effects of Capacitance Current
291
AC Rejection
291
Binary Outputs
293
Leds
293
Section 3: Protection Functions
294
Time Delayed Overcurrent (51/51G/51N)
294
Selection of Overcurrent Characteristics
295
Reset Delay
296
Voltage Dependent Overcurrent (51V)
297
Cold Load Settings (51C)
297
Instantaneous Overcurrent (50/50G/50N)
298
Directional Protection (67)
299
Out of 3 Logic
301
Directional Earth-Fault (50/51G, 50/51N, 51/51SEF)
302
High Impedance Restricted Earth Fault Protection (64H)
303
Negative Phase Sequence Overcurrent (46NPS)
304
Undercurrent (37)
305
Thermal Overload (49)
305
Under/Over Voltage Protection (27/59)
306
Neutral Overvoltage (59N)
307
Application with Capacitor Cone Units
308
Derived NVD Voltage
308
Negative Phase Sequence Overvoltage (47)
308
Section 4: CT Requirements
309
CT Requirements for Current Differential Protection
309
Example Fault Current Estimation
310
CT Requirements for Overcurrent and Earth Fault Protection
312
Overcurrent Protection Cts
312
Earth Fault Protection Cts
312
CT Requirements for High Impedance Restricted Earth Fault Protection
312
Section 5: Control Functions
313
Auto-Reclose Applications
313
Auto-Reclose Example 1
314
Auto-Reclose Example 2 (Use of Quicklogic with AR)
315
Quick Logic Applications
316
Auto-Changeover Scheme Example
316
Section 6: Supervision Functions
317
Circuit-Breaker Fail (50BF)
317
Settings Guidelines
317
Current Transformer Supervision
319
Voltage Transformer Supervision (60VTS)
320
Trip/Close Circuit Supervision (74T/CCS)
321
Trip Circuit Supervision Connections
321
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Siemens Solkor 7PG2114 Technical Manual (77 pages)
Feeder protection
Brand:
Siemens
| Category:
Protection Device
| Size: 1.88 MB
Table of Contents
Table of Contents
2
Section 1: Common Functions
6
Overview
6
Before Testing
6
Safety
6
Sequence of Tests
6
Test Equipment
7
Use of PC to Facilitate Testing
7
Precautions
7
Inspection
8
Applying Settings
8
Tests
8
Secondary Injection Tests
8
Primary Injection Tests
8
Secondary Wiring Insulation-Resistance Test
9
Current-Transformer Ratio and Polarity Tests
9
Figure 1.3-1 CT Polarity Test 1 Arrangement
9
Pilot Insulation-Resistance Test
10
Pilot-Loop Resistance Tests
10
Figure 1.3-2 CT Polarity Test 2 Arrangement
10
Table 1.3-1 C.T Ratio and Polarity Tests
10
Pilot Connection Check
11
Table 1.3-2 Resistance and Capacitance Limitations
11
Putting into Service
12
Current Differential (87)
12
Stability Tests
13
Figure 1.4-1 -Connections for Overall Fault Setting Tests by Primary Injection
13
Table 1.4-1 Test of Fault Settings
13
Figure 1.4-2 -Connections for Stability Tests on Load Without Isolating Transformers
14
Figure 1.4-3 -Connections for Stability Tests on Load with Isolating Transformers
14
Alternative Tests if Primary Injection Equipment Is Not Available
15
Check of Fault Settings by Secondary Injection
15
Table 1.4-2 Stability Tests
15
Current Transformer Ratio and Polarity Tests
16
Figure 1.4-4 -Connections for Overall Fault Setting Tests by Secondary Injection
16
Figure 1.4-5 -Connections for CT Ratio and Polarity Tests Using 3P Load Current
16
Check of Secondary Connections
17
AC Energising Quantities
17
Table 1.4-3 Check of Secondary Connections Using 3 Phase Load Current
17
Table 1.5-1 AC Meter Text
17
Table 1.5-2 Sequence Current Meters
17
Binary Inputs
18
Table 1.6-1 Binary Inputs Test Results
18
Connections for Use in Solkor R Mode
19
Binary Outputs
20
Relay Case Shorting Contacts
20
Table 1.7-1 Binary Output Test Results
20
Table 1.8-1 Case Shorting Contacts Test Results
20
Section 2: Protection Functions
21
Table 1.8-1 Protection Function Conflicts
21
Current Differential (87)
22
Phase Directional Polarity Check
22
Table 2.2-1 Directional Polarising Voltages
22
Table 2.2-2 Directional Check
22
Figure 2.2-1 Directional Phase Fault Boundary System Angles
23
Table 2.2-3 Directional Limits Test Results
23
Figure 2.3-1 Phase Overcurrent
24
Table 2.2-5 2 out of 3 Logic Test
24
Definite Time Overcurrent (50)
25
Inverse Time Overcurrent (51)
25
Table 2.3-1 50 Results
25
Table 2.3-2 51 Results
25
Table 2.3-3 Standard Timing Curve Values
25
Table 2.3-4 50 Element Blocking Results
26
Table 2.3-5 ANSI Reset Standard Values
26
Table 2.3-6 Reset Time Results
26
Table 2.2-4 Minimum Polarising Voltage Results
23
Out of 3 Logic
24
Phase Overcurrent (67/50,67/51)
24
Figure 2.4-1 Voltage Controlled Overcurrent
27
Table 2.4-1 Directional Polarising Voltages
27
Voltage Controlled Overcurrent (51V)
27
Table 2.4-2 51V Operate Voltage
28
Table 2.4-3 51V Test Results
28
Table 2.4-4 51V VTS Action
28
Cold Load (51C)
29
Figure 2.5-1 Cold Load
29
Figure 2.5-2 Cold Load Logic Diagram
30
Inverse Time Overcurrent (51C)
30
Table 2.5-1 51C Test Results
30
Table 2.5-2 Standard Curve Timing
31
Table 2.5-3 Standard Resetcurve Timing
31
Table 2.5-4 51C Reset Results
31
Directional Earth Fault Polarity Check (67N)
32
Figure 2.6-1 Directional Earth Fault Boundary System Angles
32
Derived Earth Fault (67/50N, 67/51N)
33
Figure 2.7-1 Derived Earth Fault
33
Definite Time Overcurrent (50N)
34
Directional Polarity
34
Inverse Time Overcurrent (51N)
34
Table 2.7-1 Directional Limits Test Results
34
Table 2.7-2 50N Results
34
Table 2.7-3 51N Results
34
Table 2.7-4 Standard Timings
35
Table 2.7-5 51N Element Blocking
35
Vts
35
Table 2.7-6 Standard Resettiming
36
Table 2.7-7 Reset Results
36
Measured Earth Fault (67/50G,67/51G)
37
Figure 2.8-1 Measured Earth Fault
37
Definite Time Overcurrent (67/50G)
38
Directional Polarity
38
Inverse Time Overcurrent (67/51G)
38
Table 2.8-1 Directional Limits Test Results
38
Table 2.8-2 50G Results
38
Table 2.8-3 51G Results
38
Table 2.8-4 Standard Timings
39
Table 2.8-5 51G Element Blocking
39
Table 2.8-6 Standard Resettiming
40
Table 2.8-7 Reset Results
40
Sensitive Earth Fault (67/50S,67/51S)
41
Figure 2.9-1 Sensitive Earth Fault
41
Definite Time Overcurrent (50SEF)
42
Directional Polarity
42
Inverse Time Overcurrent (51SEF)
42
Table 2.9-1 Directional Limits Test Results
42
Table 2.9-2 50SEF Results
42
Table 2.9-3 51SEF Results
42
Table 2.9-4 Standard Timings
43
Table 2.9-5 51SEF Element Blocking
43
Table 2.9-6 Standard Resettiming
44
Table 2.9-7 Reset Results
44
Figure 2.10-1 Restricted Earth Fault
45
Restricted Earth Fault (64H)
45
Table 2.10-1 REF Resistance
45
Table 2.10-2 64H Results
46
Table 2.10-3 64H Operating Voltage
46
Table 2.10-4 64H Inhibit
46
Negative Phase Sequence Overcurrent (46NPS)
47
Figure 2.11-1 Negative Phase Sequence Overcurrent
47
Definite Time NPS Overcurrent (46DT)
48
Inverse Time NPS Overcurrent (46IT)
48
Table 2.11-1 46DT Results
48
Table 2.11-2 46IT Results
48
Table 2.11-3 Standard Timings
48
Table 2.11-4 Standard Reset Timings
49
Table 2.11-5 Reset Results
49
Table 2.11-6 Element Blocking
49
Figure 2.12-1 Undercurrent
50
Table 2.12-1 37 Results
50
Undercurrent (37)
50
Table 2.12-2 Element Blocking
51
Figure 2.13-1 Thermal Overload
52
Thermal Overload (49)
52
Table 2.13-1 Standard Timings
53
Table 2.13-2 49 Results
53
Table 2.13-3 Capacity Alarm
53
Table 2.13-4 Element Blocking
53
2.14 Over/Under Voltage
54
Phase Under/Over Voltage (27/59)
54
Figure 2.14-1 Phase Under/Over Voltage
54
Table 2.14-1 27/59 Test Results
55
Table 2.14-2 Element Blocking
55
Undervoltage Guard (27/59UVG)
56
Figure 2.15-1 NPS Overvoltage
56
NPS Overvoltage (47)
56
Table 2.14-3 Undervoltage Guard
56
Table 2.15-1 47 Test Results
57
Table 2.15-2 Element Blocking
57
Neutral Overvoltage (59N)
58
Definite Time (59NDT)
58
Figure 2.16-1 Neutral Overvoltage
58
Table 2.16-1 59NDT Test Results
58
Inverse Time (59NIT)
59
Table 2.16-2 59NIT Test Results
59
Table 2.16-3 59N Element Blocking
59
Section 3: Supervision Functions
60
CB Fail (50BF)
60
Figure 3.1-1 CB Fail
60
Element Blocking
61
Table 3.1-1 50BF Operation
61
Table 3.1-2 50BF Mech Trip
61
Table 3.1-3 50BF Element Blocking
61
Voltage Transformer Supervision (60VTS)
62
Or 2 Phase VT Fail
62
Figure 3.2-1 Voltage Transformer Supervision
62
Table 3.2-1 60VTS Voltage Setting
62
Table 3.2-2 60VTS Current Setting
62
Phase VT Fail
63
Table 3.2-4 60VTS Element Blocking
63
Current Transformer Supervision (60CTS)
64
7Pg2113 & 7Pg2115
64
Figure 3.3-1 Current Transformer Supervision 7PG2113/5
64
Table 3.3-1 7SR11 60CTS Test Results
64
7Pg2114 & 7Pg2116
65
Figure 3.3-2 Current Transformer Supervision 7PG2114/6
65
Table 3.3-2 7SR12 60CTS Test Results
65
Broken Conductor (46BC)
66
Figure 3.4-1 Broken Conductor
66
Table 3.3-3 60CTS Element Blocking
66
Table 3.4-1 46BC Test Currents
67
Table 3.4-2 46BC Test Results
67
Table 3.4-3 46BC Operate Time
67
Table 3.4-4 46BC Element Blocking
67
Trip/Close Circuit Supervision (74T/CCS)
68
Figure 3.5-1 Trip Circuit Supervision
68
Table 3.5-1 74T/CCS Test Results
68
Magnetising Inrush Detector (81HBL)
69
Figure 3.6-1 Magnetising Inrush Detector
69
Section 4: Control & Logic Functions
70
Autoreclose (79)
70
4.2 Quick Logic
70
Section 5: Testing and Maintenance
71
5.1 Periodic Tests
71
5.2 Maintenance
71
5.3 Troubleshooting
71
Table 5.3-1 Troubleshooting Guide
72
Section 6: Pilot Supervision Equipment
73
Introduction
73
Description of Equipment
73
Commissioning Tests
73
Check of Connections
73
Secondary Wiring Insulation Resistance Tests
74
Pilot Tests
74
C.T. Ratio and Polarity
74
Overall Fault Setting Tests
74
Check of Pilots Supervision Receive Relay
74
Test of Guard Relays (Where Fitted)
74
Test of Pilot Supervision Supply Failure Relay (Where Fitted)
75
Overall Tests of Pilot Supervision Equipment
75
Figure 6.3-1 Secondary Injection Test of Pilot Supervision Receive Relay
75
6.3.10 Stability Tests
76
6.3.11 Putting into Service
76
6.3.12 Notes
76
Siemens Solkor 7PG2114 Application Manual (49 pages)
Brand:
Siemens
| Category:
Relays
| Size: 1.09 MB
Table of Contents
Table of Contents
2
Section 1: Pilot Wire Current Differential Scheme
4
1.1 General
4
1.2 Information Required When Ordering
4
Equipment Options
5
Solkor Plain/Overcurrent Protection Schemes
5
1.3.2 Pilot Supervision 5Kv Schemes
5
15Kv Schemes
5
1.4 Application Diagrams
6
Figure 1.4-1 Installation with Existing Solkor R, Rf or R/Rf Relay
6
Figure 1.4-2 Standard 5Kv Solkor R/Rf with Guard
6
Figure 1.4-3 Installation with Existing 15Kv Plain Solkor Rf with Guard
6
Figure 1.4-4 5Kv Solkor Rf with Pilot Supervision
7
Figure 1.4-5 15Kv Solkor Rf with Pilot Supervision
7
Essential External Wiring and Settings
8
Figure 1.5-1 Interconnection Wiring
8
Description of Typical Setting File
9
Application Considerations
11
Overcurrent Guard
11
5/15Kv Isolation Voltage
11
Pilot Cables
11
Pilot Supervision
12
Injection Intertripping
12
Capacitive Charging Currents
13
N/N1 Setting
13
In-Zone Tapped Load (Bleed-Off)
13
Section 2: Additional Functions
14
Multiple Settings Groups
14
Figure 2.1-1 Example Use of Alternative Settings Groups
14
Binary Inputs
15
Alarm and Tripping Inputs
15
Figure 2.2-1 Example of Transformer Alarm and Trip Wiring
15
The Effects of Capacitance Current
16
AC Rejection
16
Figure 2.2-2 Binary Input Configurations Providing Compliance with EATS 48-4 Classes ESI 1 and
17
Binary Outputs
18
Leds
18
Section 3: Protection Functions
19
Time Delayed Overcurrent (51/51G/51N)
19
Figure 3.1-1 IEC ni Curve with Time Multiplier and Follower DTL Applied
19
Selection of Overcurrent Characteristics
20
Figure 3.1-2 IEC ni Curve with Minimum Operate Time Setting Applied
20
Reset Delay
21
Figure 3.1-3 Reset Delay
21
Table 3-1 Application of IDMTL Characteristics
21
Voltage Dependent Overcurrent (51V)
22
Cold Load Settings (51C)
22
Instantaneous Overcurrent (50/50G/50N)
23
Figure 3.4-1 General Form of DTL Operate Characteristic
23
Directional Protection (67)
24
Figure 3.5-1 Directional Characteristics
24
Figure 3.5-2 Phase Fault Angles
25
Figure 3.5-3 Application of Directional Overcurrent Protection
25
Out of 3 Logic
26
Figure 3.5-4 Feeder Fault on Interconnected Network
26
Directional Earth-Fault (50/51G, 50/51N, 51/51SEF)
27
Figure 3.6-1 Earth Fault Angles
27
High Impedance Restricted Earth Fault Protection (64H)
28
Figure 3.7-1 Balanced and Restricted Earth-Fault Protection of Transformers
28
Negative Phase Sequence Overcurrent (46NPS)
29
Figure 3.7-2 Composite Overcurrent and Restricted Earth-Fault Protection
29
Undercurrent (37)
30
Thermal Overload (49)
30
Figure 3.10-1 Thermal Overload Heating and Cooling Characteristic
30
Under/Over Voltage Protection (27/59)
31
Neutral Overvoltage (59N)
32
Figure 3.12-1 NVD Application
32
Figure 3.12-2 NVD Protection Connections
32
3.12.1 Application with Capacitor Cone Units
33
3.12.2 Derived NVD Voltage
33
Negative Phase Sequence Overvoltage (47)
33
Section 4: CT Requirements
34
CT Requirements for Current Differential Protection
34
Example Fault Current Estimation
35
CT Requirements for Overcurrent and Earth Fault Protection
37
Overcurrent Protection Cts
37
Earth Fault Protection Cts
37
CT Requirements for High Impedance Restricted Earth Fault Protection
37
Section 5: Control Functions
38
5.1 Auto-Reclose Applications
38
Figure 5.1-1 Sequence Co-Ordination
38
Auto-Reclose Example 1
39
Auto-Reclose Example 2 (Use of Quicklogic with AR)
40
Figure 5.1-2 Example of Logic Application
40
5.2 Quick Logic Applications
41
Auto-Changeover Scheme Example
41
Figure 5.2-1 Example Use of Quick Logic
41
Section 6: Supervision Functions
42
Circuit-Breaker Fail (50BF)
42
Settings Guidelines
42
Figure 6.1-1 Circuit Breaker Fail
42
Figure 6.1-2 Single Stage Circuit Breaker Fail Timing
43
Figure 6.1-3 Two Stage Circuit Breaker Fail Timing
43
Current Transformer Supervision
44
Table 6-1 Determination of VT Failure (1 or 2 Phases)
44
Voltage Transformer Supervision (60VTS)
45
Table 6-2 Determination of VT Failure (1 or 2 Phases)
45
Table 6-3 Determination of VT Failure (3 Phases)
45
Trip/Close Circuit Supervision (74T/CCS)
46
Trip Circuit Supervision Connections
46
Figure 6.4-1 Trip Circuit Supervision Scheme 1 (H5)
46
Figure 6.4-2 Trip Circuit Supervision Scheme 2 (H6)
47
Figure 6.4-3 Trip Circuit Supervision Scheme 3 (H7)
47
Close Circuit Supervision Connections
48
Inrush Detector (81HBL2)
48
Broken Conductor / Load Imbalance (46BC)
48
Figure 6.4-4 Close Circuit Supervision Scheme
48
Table 6-4 Magnetic Inrush Bias
48
Circuit-Breaker Maintenance
49
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Siemens Solkor 7PG2114 Manual (21 pages)
Feeder Protection
Brand:
Siemens
| Category:
Relays
| Size: 4.01 MB
Table of Contents
Table of Contents
2
Section 1: Introduction
3
Differential Protection
3
Protection Sensitivity
3
Pilot Resistance
3
Test Link
3
Pilot Supervision
3
Relay Menus and Display
3
Figure 1.1 -1 Fascia Links
3
Figure 1.2 -1 Menu
4
Figure 1.2-2 Fascia Contrast Symbol
4
Figure 1.2-3 Fascia of a 7PG2113/4/5/6 Relay
5
Operation Guide
6
User Interface Operation
6
Setting Mode
7
Instruments Mode
9
Fault Data Mode
16
Section 2: Setting & Configuring the Relay Using Reydisp Evolution
17
Physical Connection
17
Front USB Connection
17
Figure 2.1-1 USB Connection to PC
17
Rear RS485 Connection
18
Configuring Relay Data Communication
18
Figure 2.1-2 RS485 Connection to PC
18
Connecting to the Relay for Setting Via Reydisp
19
Configuring the User Texts Using Reydisp Language Editor
19
Figure 2.1-3 PC Comm Port Selection
19
Figure 2.1-4 PC Language File Editor
20
Figure 2.1-5 Language File Editor Setting Texts
21
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