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Manuals and User Guides for Siemens Argus 7SR22. We have
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Siemens Argus 7SR22 manuals available for free PDF download: Technical Manual, Manual, Installation Manual
Siemens Argus 7SR22 Technical Manual (644 pages)
Overcurrent Relay
Brand:
Siemens
| Category:
Other
| Size: 10.78 MB
Table of Contents
Table of Contents
7
Description of Operation
5
Document Release History
6
Table of Contents
7
List of Figures
9
Current Transformer Circuits
12
Fibre Optic Communication
12
Front Cover
12
Disposal
12
Section 1: Introduction
12
Table 1.5-1 Ordering Information - 7SR21 Non-Directional Overcurrent
13
Figure 1.5-1 Functional Diagram of 7SR21 Relay
14
Figure 1.5-2 Connections Diagram for 7SR21 Relay
15
Table 1.5-2 Ordering Information - 7SR22 Directional Overcurrent
16
Figure 1.5-3 Functional Diagram of 7SR22 Relay
17
Figure 1.5-4 Connection Diagram for 7SR22 Relay
18
Section 2: Hardware Description
19
General
19
Table 2.1-1 Summary of Overcurrent Relay Configurations
19
Case
20
Front Cover
20
Power Supply Unit (PSU)
20
Operator Interface/ Fascia
20
Figure 2.5-1 7SR21 with 3 + 8 Leds in E6 Case
21
Figure 2.5-2 7SR220 with 3 + 16 Leds in E8 Case
21
Figure 2.5-3 7SR22 with Function Keys and 3 + 8 Leds in E8 Case
21
Figure 2.5-4 7SR22 with Function Keys & 3 + 8 Leds in E8 Case and Ethernet
22
Current Inputs
25
Voltage Inputs
25
Binary Inputs
25
Figure 2.8-1 Binary Input Logic
25
Binary Outputs (Output Relays)
26
Figure 2.9-1 Binary Output Logic
26
Virtual Input/Outputs
27
Self Monitoring
27
Figure 2.11-1 Start-Up Counter Meter
27
Figure 2.11-2 Start-Up Counter Meter
27
Figure 2.11-3 Start-Up Counter Meter Events
28
Protection Healthy/Defective
28
Section 3: Protection Functions
29
Current Protection: Phase Overcurrent (67, 51, 50)
29
Directional Control of Overcurrent Protection (67) - 7SR22
29
Figure 3.1.1-1 Logic Diagram: Directional Overcurrent Element (67)
30
Figure 3.1.2-1 Logic Diagram: Instantaneous Over-Current Element
31
Instantaneous Overcurrent Protection (50)
31
Time Delayed Overcurrent Protection (51)
32
Figure 3.1.3-1 Logic Diagram: Time Delayed Overcurrent Element
33
Current Protection: Voltage Controlled Overcurrent (51V) - 7SR22
34
Figure 3.2-1 Logic Diagram: Voltage Controlled Overcurrent Protection
34
Current Protection: Derived Earth Fault (67N, 51N, 50N)
35
Directional Control of Derived Earth Fault Protection (67N) - 7SR22
35
Figure 3.3.1-1 Logic Diagram: Derived Directional Earth Fault Element
36
Instantaneous Derived Earth Fault Protection (50N)
36
Figure 3.3.2-1 Logic Diagram: Derived Instantaneous Earth Fault Element
37
Time Delayed Derived Earth Fault Protection (51N)
37
Figure 3.3.3-1 Logic Diagram: Derived Time Delayed Earth Fault Protection
38
Current Protection: Measured Earth Fault (67G, 51G, 50G)
39
Directional Control of Measured Earth Fault Protection (67G) - 7SR22
39
Figure 3.4.1-1 Logic Diagram: Measured Directional Earth Fault Protection
39
Figure 3.4.2-1 Logic Diagram: Measured Instantaneous Earth-Fault Element
40
Instantaneous Measured Earth Fault Protection (50G)
40
Figure 3.4.3-1 Logic Diagram: Measured Time Delayed Earth Fault Element (51G)
41
Time Delayed Measured Earth Fault Protection (51G)
41
Current Protection: Sensitive Earth Fault (67SEF, 51SEF, 50SEF)
42
Directional Control of Sensitive Earth Fault Protection (67SEF) - 7SR22
42
Figure 3.5.1-1 Logic Diagram: SEF Directional Element (67SEF)
43
Instantaneous Sensitive Earth Fault Protection (50SEF)
43
Figure 3.5.2-1 Logic Diagram: 50 SEF Instantaneous Element
44
Figure 3.5.2-2 Logic Diagram: 50 SEF Instantaneous Element Compensated Networks
44
Time Delayed Sensitive Earth Fault Protection (51SEF)
45
Figure 3.5.3-1 Logic Diagram: 51 SEF Time Delayed Element
46
Figure 3.5.3-2 Logic Diagram: 51 SEF Time Delayed Element Compensated Networks
46
Current Protection: High Impedance Restricted Earth Fault (64H)
47
Figure 3.6-1 Logic Diagram: High Impedance REF (64H)
47
Current Protection: Cold Load (51C)
48
Figure 3.7-1 Logic Diagram: Cold Load Settings (51C)
48
Current Protection: Negative Phase Sequence Overcurrent (46NPS)
49
Figure 3.8-1 Logic Diagram: Negative Phase Sequence Overcurrent (46NPS)
49
Current Protection: Under-Current (37, 37G & 37SEF)
50
Current Protection: Under-Current Guarded (37)
50
Figure 3.9-1 Logic Diagram: Undercurrent Detector (37, 37G & 37SEF)
50
Figure 3.10-1 Logic Diagram: Undercurrent Guarded Detector (37)
50
Current Protection: Thermal Overload (49)
51
Figure 3.11-1 Logic Diagram: Thermal Overload Protection (49S)
52
Current Protection: Arc Flash Detector (50 AFD)
53
Figure 3.12-1 Logic Diagram: Arc Flash Detector (50 AFD)
53
Voltage Protection: Phase Under/Over Voltage (27/59) - 7SR22
54
Figure 3.13-1 Logic Diagram: Under/Over Voltage Elements (27/59)
54
Voltage Protection: Negative Phase Sequence Overvoltage (47) - 7SR22
55
Figure 3.14-1 Logic Diagram: NPS Overvoltage Protection (47)
55
Voltage Protection: Neutral Overvoltage (59N) - 7SR22
56
Figure 3.15-1 Logic Diagram: Neutral Overvoltage Element
56
Voltage Protection: Under/Over Frequency (81) - 7SR22
57
Figure 3.16-1 Logic Diagram: Under/Over Frequency Detector (81)
57
Power Protection: Power (32) - 7SR22
58
Figure 3.17-1 Logic Diagram: Power Protection (32)
58
Power Protection: Sensitive Power (32S) - 7SR22
59
Figure 3.18-1 Logic Diagram: Sensitive Power Protection (32S)
59
Power Protection: Power Factor (55) - 7SR22
60
Figure 3.19-1 Logic Diagram: Power Factor Protection (55)
60
Section 4: Control & Logic Functions
61
Auto-Reclose (79)
61
Overview
61
Auto Reclose Sequences
63
Figure 4.1.2-1 Typical Sequence with 3 Instantaneous and 1 Delayed Trip
63
Autoreclose Prot'n Menu
64
Autoreclose Config Menu
64
P/F Shots Sub-Menu
66
E/F Shots Sub-Menu
66
SEF Shots Sub-Menu
66
Extern Shots Sub-Menu
67
Figure 4.7-1 Basic Auto-Reclose Sequence Diagram
68
Manual Control
69
Synchronising
70
Charge Delays
70
Reclosure Modes
70
Voltage Monitoring Elements
70
Figure 4.9.3-1 Voltage Detector Operation
71
Check Synchronising Mode
72
Figure 4.9.4-1 Check Sync Function
72
System Split Detector
73
System Sync Reversion
73
Close on Zero Mode
74
Figure 4.9.7-1 System Sync Function
74
System Synchronising Mode
74
Live/Dead Indication
75
Figure 4.9.8-1 Close on Zero Function
75
Figure 4.9.8-2 Close on Zero Timing
75
Circuit Breaker
76
Figure 4.10-1 Voltage Detector Operation
76
Figure 4.11-1 Logic Diagram: Circuit Breaker Status
77
Quick Logic
79
Figure 4.12-1Sequence Diagram: Quick Logic PU/DO Timers (Counter Reset Mode Off)
80
Section 5: Supervision Functions
81
Circuit Breaker Failure (50BF)
81
Figure 5.1-1 Logic Diagram: Circuit Breaker Fail Protection (50BF)
81
VT Supervision (60VTS) - 7SR22
82
Busbar VT Fail (60VTF-Bus) - 7SR22
83
Figure 5.2-1 Logic Diagram: VT Supervision Function (60VTS)
83
CT Supervision (60CTS & 60CTS-I)
84
60Cts) - 7Sr22
84
60Cts-I) - 7Sr21 & 7Sr22
84
Figure 5.4.1-1 Logic Diagram: CT Supervision Function (60CTS-I) - 7SR21 & 7SR22
84
Figure 5.4.2-1 Logic Diagram: CT Supervision Function (60CTS) - 7SR22
84
Broken Conductor (46BC)
85
Trip / Close Circuit Supervision (74TCS & 74CCS)
85
Figure 5.5-1 Logic Diagram: Broken Conductor Function (46BC)
85
Figure 5.6-1 Logic Diagram: Trip Circuit Supervision Feature (74TCS)
85
Inrush Restraint (81HBL2)
86
Figure 5.6-2 Logic Diagram: Close Circuit Supervision Feature (74CCS)
86
Figure 5.7-1 Logic Diagram: Harmonic Block Feature (81HBL2)
86
Over Fluxing Detector (81HLB5)
87
Figure 5.8-1 Logic Diagram: over Fluxing Detector (81HLB5)
87
Load Blinder (21)
88
Figure 5.9.1-1 Logic Diagram: Load Blinder Three-Phase
88
Load Blinder (21) Three-Phase
88
Figure 5.9.2-1 Logic Diagram: Load Blinder Single-Phase
89
Load Blinder (21) Single-Phase
89
Figure 5.9.2-2 Load Blinder and Angle
90
Section 6: Other Features
91
Data Communications
91
Maintenance
91
I 2 T CB Wear
92
Output Matrix Test
92
Siemens Protection Devices Limited
92
Data Storage
93
Event Records
93
General
93
Waveform Records
93
Data Log
94
Demand
94
Fault Records
94
Energy Storage
95
Figure 6.3.7-1 Energy Direction Convention
95
Fault Locator
96
Metering
96
Operating Mode
97
Control Mode
97
Real Time Clock
97
Table 6.5-1 Operation Mode
97
Time Synchronisation - Binary Input
98
Time Synchronisation - Data Communication Interface
98
Time Synchronisation - IRIG-B (Optional)
98
Settings Groups
98
Password Feature
98
Communication Interface
98
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
99
Section 2: Configuring the Relay Using Reydisp Evolution
101
Relay Menus and Display
102
User Interface Operation
104
Physical Connection
107
Front USB Connection
107
Standard Rear RS485 Connection
108
Optional Rear Fibre Optic Connection
108
Optional Rear RS485 + IRIG-B Connection
109
Optional Rear RS232 + IRIG-B Connection
109
Optional Rear EN100 Ethernet Module
110
Configuring Relay Data Communication
110
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
113
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
125
Section 2: Configuring the Relay Using Reydisp Evolution
107
Menu Structure/Relay Settings
127
2 Menu Structure
130
3 Relay Settings
131
System Config
131
Function Config
132
Current Protection
134
Phase Overcurrent
134
Cold Load
135
51Sef-1
139
Sensitive E/F
139
50Sef-1
140
51Sef-2
140
46Dt
141
46It
141
NPS Overcurrent
141
Restricted E/F
141
Under Current
142
ARC Flash Detector
143
Thermal
143
Supervision
143
CB Fail
143
CT Supervision
143
Broken Conductor
144
Trip CCT Supervision
144
Close CCT Supervision
144
Inrush Detector
145
Control & Logic
145
Autoreclose Prot'n
145
Autoreclose Config
146
P/F Shots
146
E/F Shots
147
Extern Shots
148
Manual Close
148
SEF Shots
148
Circuit Breaker
149
Quick Logic
149
Input Config
157
Input Matrix
157
General Alarms
165
Output Config
166
Output Matrix
166
Binary Output Config
179
LED Config
180
Pickup Config
180
CB Maintenance
181
CB Counters
181
I^2T CB Wear
182
Start Count
182
Data Storage
182
Demand Data/Log
182
Event Storage
183
Fault Storage
183
Waveform Storage
183
Communications
184
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
186
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
206
Table of Contents
208
System Config
213
CT/VT Config
214
Function Config
215
Current Prot'n
217
Phase Overcurrent
217
Voltage Controlled O/C
222
Cold Load
223
Derived E/F
224
Measured E/F
228
Sensitive E/F
232
51Sef-1
232
51Sef-2
233
51Sef-3
233
51Sef-4
234
50Sef-1
235
50Sef-2
235
50Sef-3
235
50Sef-4
235
Restricted E/F
236
NPS Overcurrent
236
46Dt
236
46It
236
Under Current
237
37Sef-1
238
37Sef-2
238
Thermal
238
ARC Flash Detector
238
Voltage Protection
238
Phase U/O Voltage
238
NPS Overvoltage
241
VX U/O Voltage
241
Neutral Overvoltage
242
59Nit
242
59Ndt
242
U/O Frequency
242
Supervision
245
CB Fail
245
VT Supervision
245
CT Supervision
246
Broken Conductor
246
Inrush Detector
247
Load Blinder
248
21Lb-1P
248
21Lb-3P
248
Control & Logic
248
Autoreclose Prot'n
248
Autoreclose Config
249
E/F Shots
250
SEF Shots
251
Extern Shots
252
Synchronising Check
252
Manual CB Control
253
Circuit Breaker
254
Quick Logic
254
Input Config
263
Input Matrix
263
Function Key Matrix
276
Function Key Config
279
General Alarms
280
Output Config
281
Output Matrix
281
Binary Output Config
304
LED Config
305
Pickup Config
306
Maintenance
306
CB Counters
307
I^2T CB Wear
307
Start Count
308
Data Storage
308
Demand Data/Log
308
Waveform Storage
308
Fault Storage
309
Event Storage
309
Energy Storage
309
Fault Locator
310
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
313
Section 1: Common Functions/Section 2: Protection Functions
315
Section 1: Common Functions
320
General
320
CE Conformity
320
Dimensions
320
Reference
320
Weights
321
Energising Quantities
322
Auxiliary Power Supply
322
AC Current
323
AC Voltage
324
Binary (Digital) Outputs
325
Binary (Digital) Inputs
326
Functional Performance
327
Fibre Optic Serial Data Communication Interface (Optional Rear Mounted Port)
327
Instrumentation
327
RS232 Data Communication Interface (Optional Rear Mounted Port)
327
RS485 Data Communication Interface (Optional Rear Mounted Port)
327
RS485 Data Communication Interface (Standard Rear Port)
327
USB Data Communication Interface
327
Electrical Ethernet Data Communication Interface (IEC 61850 Option)
328
Fibre Optic Ethernet Data Communication Interface (IEC 61850 Option)
328
Real Time Clock
328
Environmental Performance
329
General
329
Emissions
330
Immunity
330
Mechanical
332
Section 2: Protection Functions
333
27/59 Phase Under/Over Voltage
333
Operate and Reset Level
333
Operate and Reset Time
333
Reference
333
27/59 VX Under/Over Voltage
334
Operate and Reset Level
334
Operate and Reset Time
334
Reference
334
Power
335
Operate and Reset Level
335
Operate and Reset Time
335
Operate Threshold
335
Reference
335
Sensitive Power
336
Operate and Reset Level
336
Operate and Reset Time
336
Operate Threshold
336
Reference
336
Undercurrent
337
Operate and Reset Level
337
Operate and Reset Time
337
Reference
337
37SEF Undercurrent
338
Operate and Reset Level
338
Reference
338
Operate and Reset Time
339
46NPS Negative Phase Sequence Overcurrent
339
Reference (46DT)
339
Operate and Reset Level (46DT)
339
Operate and Reset Time (46DT)
339
Reference (46IT)
339
Operate and Reset Time (46IT)
340
Negative Phase Sequence Voltage
341
Reference (47)
341
Operate and Reset Level (47)
341
Operate and Reset Time (47)
341
Thermal Overload
342
Reference
342
Operate and Reset Level
344
Operate and Reset Time
344
Instantaneous Overcurrent
344
Reference
344
Operate and Reset Level
345
Operate and Reset Time
345
Instantaneous Measured Earth Fault
345
Reference
345
Operate and Reset Level
346
Operate and Reset Time
346
Instantaneous Derived Earth Fault
346
Reference
346
Operate and Reset Level
347
Operate and Reset Time
347
50SEF Instantaneous Sensitive Earth Fault
347
Reference
347
Operate and Reset Level
348
Time Delayed Overcurrent
348
Reference
348
Operate and Reset Level
353
Time Delayed Measured Earth Fault
353
Reference
353
Operate and Reset Level
355
Time Delayed Derived Earth Fault
355
Reference
355
Operate and Reset Level
357
51SEF Time Delayed Sensitive Earth Fault
357
Reference
357
Operate and Reset Level
359
Operate and Reset Time
359
Voltage Controlled Overcurrent (Ph-Ph)
359
Reference
359
Operate and Reset Level
360
Power Factor
360
Reference
360
Operate and Reset Time
360
Operate Threshold
360
Neutral Voltage Displacement
361
Reference (59NDT)
361
Operate and Reset Level (59NDT)
361
Operate and Reset Time (59NDT)
361
Reference (59NIT)
361
Operate and Reset Level (59NIT)
362
Operate and Reset Time (59NIT)
362
Restricted Earth Fault Protection
363
Operate and Reset Level
363
Operate and Reset Time
363
Reference
363
67/67N Directional Overcurrent & Earth Fault
364
Operate and Reset Time
364
Operate Angle
364
Operate Threshold
364
Reference
364
Directional SEF Wattmetric
365
Operate and Reset Level
365
Operate and Reset Time
365
Reference
365
Under/Over Frequency
366
Operate and Reset Level
366
Operate and Reset Time
366
Reference
366
AFD ARC Flash Detector
367
(Refer to 7XG31 Technical Manual for Performance Characteristics)
367
Operate and Reset Level
367
Operate and Reset Time
367
Reference
367
Section 3: Supervision Functions
368
46BC & 46BC U/C Broken Conductor
368
Operate and Reset Level
368
Operate and Reset Time
368
Reference
368
50BF & 50BF-I4 Circuit Breaker Fail
369
Operate and Reset Level
369
Operate and Reset Time
369
Reference
369
60CTS & CTS-I Current Transformer Supervision
370
Current & Voltage Threshold
370
Operate and Reset Time
370
Reference
370
60VTS Voltage Transformer Supervision
371
Operate and Reset Level
371
Reference
371
Operate and Reset Time
372
74TCS Trip Circuit Supervision
373
Operate and Reset Time
373
Reference
373
81HBL2 Inrush Detector
374
Operate and Reset Level
374
Operate and Reset Time
374
Reference
374
81HBL5 over Fluxing Detector
375
Operate and Reset Level
375
Operate and Reset Time
375
Reference
375
Load Blinder (21LB - 3P)
376
Reference
376
Operate Level
376
Operate Angle
376
Load Blinder (21LB - 1P)
377
Reference
377
Operate Level
377
Operate Angle
377
Check Synchronising
378
Reference
378
Live/Dead Line/Bus Detector Elements
378
Line and Bus Undervoltage Elements
379
Voltage Difference
379
General Autoreclose Timers
379
CS/SS/COZ Line and Bus Phase Angle Difference
379
CS/SS/COZ Slip Frequency
379
CS/SS Timer
379
Split Angle Detector
380
Split Slip Frequency Detector
380
Section 4: Control Functions
378
Live/Dead
380
Reference
380
Live/Dead Detector Elements
380
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
381
Table of Contents
383
1 Introduction
385
2 Physical Connection
387
Introduction
387
USB Interface (COM2)
388
RS485 Interface (COM1)
388
Serial Fibre Optic Interface (COM3 & COM4)
390
Optional Rear RS485 (COM3)
393
Optional Rear EN100 Ethernet Module (COM3)
396
3 IEC 60870-5-103 Definitions
399
Introduction
399
Cause of Transmission
400
Point List
402
Event Function (FUN) & Information (INF) Numbers
402
Measurands
412
4 MODBUS Definitions
415
Introduction
415
Fp_32Bits_3Dp
417
Uint16
417
Uint32
417
Event
418
Bitstring
419
Eventcount
419
Str32 & Str64
419
Time_Meter
419
Point List
421
Input Registers (Read Only Registers)
429
Holding Registers (Read Write Registers)
432
5 DNP3 Definitions
433
Device Profile
433
Implementation Table
436
Point List
442
Counters
457
Analog Inputs
459
Additional Settings
463
6 Not Applicable
465
7 IEC61850 Protocol Support
467
8 Serial Modems
469
Introduction
469
Connecting a Modem to the Relay(S)
469
Setting the Remote Modem
469
Connecting to the Remote Modem
469
9 Not Applicable
471
10 Glossary
473
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
477
Advertisement
Siemens Argus 7SR22 Manual (71 pages)
Brand:
Siemens
| Category:
Relays
| Size: 2.11 MB
Table of Contents
Document Release History
1
Software Revision History
1
Table of Contents
2
Contents
2
List of Figures
4
List of Tables
5
Section 1: Introduction
6
Current Transformer Circuits
6
External Resistors
6
Fibre Optic Communication
6
Front Cover
6
Table 1-1 Ordering Information - 7SR21 Non-Directional Overcurrent
7
Figure 1-1 Functional Diagram of 7SR21 Relay
8
Figure 1-2 Connections Diagram for 7SR21 Relay
9
Table 1-2 Ordering Information - 7SR22 Directional Overcurrent
10
Figure 1-3 Functional Diagram of 7SR22 Relay
12
Figure 1-4 Connection Diagram for 7SR22 Relay
13
Section 2: Hardware Description
14
General
14
Case
14
Table 2-1 Summary of Overcurrent Relay Configurations
14
Front Cover
15
Power Supply Unit (PSU)
15
Operator Interface/ Fascia
15
Figure 2.5-1 7SR21 with 3 + 8 Leds in E6 Case
15
Figure 2.5-2 7SR22 with 3 + 16 Leds in E8 Case
16
Figure 2.5-3 7SR22 with Function Keys and 3 + 8 Leds in E8 Case
16
Current Inputs
18
Voltage Inputs
18
Binary Inputs
19
Figure 2.8-1 Binary Input Logic
19
Binary Outputs (Output Relays)
20
Figure 2.9-1 Binary Output Logic
20
2.10 Virtual Input/Outputs
21
2.11 Self Monitoring
21
2.11.1 Protection Healthy/Defective
21
Section 3: Protection Functions
22
Current Protection: Phase Overcurrent (67, 51, 50)
22
Directional Control of Overcurrent Protection (67) - 7SR22
22
Figure 3.1-1 Logic Diagram: Directional Overcurrent Element (67)
23
Instantaneous Overcurrent Protection (50)
24
Figure 3.1-2 Logic Diagram: Instantaneous Over-Current Element
24
Time Delayed Overcurrent Protection (51)
25
Figure 3.1-3 Logic Diagram: Time Delayed Overcurrent Element
26
Current Protection: Voltage Controlled Overcurrent (51V) - 7SR22
27
Figure 3.2-1 Logic Diagram: Voltage Controlled Overcurrent Protection
27
Current Protection: Derived Earth Fault (67N, 51N, 50N)
28
Directional Control of Derived Earth Fault Protection (67N) - 7SR22
28
Instantaneous Derived Earth Fault Protection (50N)
29
Figure 3.3-1 Logic Diagram: Derived Directional Earth Fault Element
29
Time Delayed Derived Earth Fault Protection (51N)
30
Figure 3.3-2 Logic Diagram: Derived Instantaneous Earth Fault Element
30
Figure 3.3-3 Logic Diagram: Derived Time Delayed Earth Fault Protection
31
Current Protection: Measured Earth Fault (67G, 51G, 50G)
32
Directional Control of Measured Earth Fault Protection (67G) - 7SR22
32
Figure 3.4-1 Logic Diagram: Measured Directional Earth Fault Protection
32
Instantaneous Measured Earth Fault Protection (50G)
33
Figure 3.4-2 Logic Diagram: Measured Instantaneous Earth-Fault Element
33
Time Delayed Measured Earth Fault Protection (51G)
34
Figure 3.4-3 Logic Diagram: Measured Time Delayed Earth Fault Element (51G)
34
Current Protection: Sensitive Earth Fault (67SEF, 51SEF, 50SEF)
35
Directional Control of Sensitive Earth Fault Protection (67SEF) - 7SR22
35
Figure 3.5-1 Logic Diagram: SEF Directional Element (67SEF)
35
Instantaneous Sensitive Earth Fault Protection (50SEF)
36
Figure 3.5-2 Logic Diagram: SEF Instantaneous Element
36
Figure 3.5-3 Logic Diagram: SEF Time Delayed Element (51SEF)
37
Current Protection: High Impedance Restricted Earth Fault (64H)
38
Figure 3.6-1 Logic Diagram: High Impedance REF (64H)
38
Current Protection: Cold Load (51C)
39
Figure 3.7-1 Logic Diagram: Cold Load Settings (51C)
39
Current Protection: Negative Phase Sequence Overcurrent (46NPS)
40
Figure 3.8-1 Logic Diagram: Negative Phase Sequence Overcurrent (46NPS)
40
Current Protection: Under-Current (37, 37G & 37SEF)
41
Figure 3.9-1 Logic Diagram: Undercurrent Detector (37, 37G & 37SEF)
41
Current Protection: Thermal Overload (49)
42
Figure 3.10-1 Logic Diagram: Thermal Overload Protection (49S)
43
Voltage Protection: Phase Under/Over Voltage (27/59) - 7SR22
44
Figure 3.11-1 Logic Diagram: Under/Over Voltage Elements (27/59)
44
Voltage Protection: Negative Phase Sequence Overvoltage (47) - 7SR22
45
Figure 3.12-1 Logic Diagram: NPS Overvoltage Protection (47)
45
3.13 Voltage Protection: Neutral Overvoltage (59N) - 7SR22
46
Figure 3.13-1 Logic Diagram: Neutral Overvoltage Element
46
3.14 Voltage Protection: Under/Over Frequency (81) - 7SR22
47
Figure 3.14-1 Logic Diagram: Under/Over Frequency Detector (81)
47
Section 4: Control & Logic Functions
48
Auto-Reclose (79)
48
4.1.1 Overview
48
4.1.2 Auto Reclose Sequences
50
Figure 4.1-1 Typical Auto Reclose Sequence with 3 Instantaneous and 1 Delayed Trip
50
Autoreclose Prot'n Menu
51
Autoreclose Config Menu
51
P/F Shots Sub-Menu
53
E/F Shots Sub-Menu
53
SEF Shots Sub-Menu
53
Extern Shots Sub-Menu
54
Figure 4.7-1 Basic Auto-Reclose Sequence Diagram
55
Manual Control
56
Circuit Breaker
56
Figure 4.9-1 Logic Diagram: Circuit Breaker Status
57
4.10 Quick Logic
58
Figure 4.10-1 Sequence Diagram: Quick Logic PU/DO Timers (Counter Reset Mode Off)
59
Section 5: Supervision Functions
60
Circuit Breaker Failure (50BF)
60
Figure 5.1-1 Logic Diagram: Circuit Breaker Fail Protection (50BF)
60
VT Supervision (60VTS) - 7SR22
61
Figure 5.2-1 Logic Diagram: VT Supervision Function (60VTS)
62
CT Supervision (60CTS & 60CTS-I)
63
60Cts-I) - 7Sr21 & 7Sr22
63
60Cts) - 7Sr22
63
Figure 5.4-1 Logic Diagram: CT Supervision Function (60CTS-I) - 7SR21 & 7SR22
63
Figure 5.5-1 Logic Diagram: CT Supervision Function (60CTS) - 7SR22
63
Broken Conductor (46BC)
64
Trip Circuit Supervision (74TCS)
64
Figure 5.6-1 Logic Diagram: Broken Conductor Function (46BC)
64
Figure 5.7-1 Logic Diagram: Trip Circuit Supervision Feature (74TCS)
64
Inrush Restraint (81HBL2)
65
Figure 5.8-1 Logic Diagram: Harmonic Block Feature (81HBL2)
65
Siemens Argus 7SR22 Manual (69 pages)
Overcurrent Relay
Brand:
Siemens
| Category:
Relay
| Size: 0.77 MB
Table of Contents
Document Release History
1
Software Revision History
1
Table of Contents
2
Contents
2
Section 1: Common Functions
5
Overview
5
Before Testing
5
Safety
5
Sequence of Tests
5
Test Equipment
6
Precautions
6
Applying Settings
6
Tests
8
Inspection
8
Secondary Injection Tests
8
Primary Injection Tests
8
Putting into Service
8
AC Energising Quantities
9
Binary Inputs
10
Binary Outputs
11
Relay Case Shorting Contacts
12
Section 2: Protection Functions
13
Phase Directional Polarity Check
14
Out of 3 Logic
15
Figure 2-1 Directional Phase Fault Boundary System Angles
15
Phase Overcurrent (67/50,67/51)
16
Figure 2-2 Phase Overcurrent
16
Definite Time Overcurrent (50)
17
Inverse Time Overcurrent (51)
17
Voltage Controlled Overcurrent (51V)
19
Figure 2-3 Voltage Controlled Overcurrent
19
Cold Load (51C)
21
Figure 2-4 Cold Load
21
Figure 2-5 Cold Load Logic Diagram
22
Inverse Time Overcurrent (51C)
22
Directional Earth Fault Polarity Check (67N)
24
Figure 2-6 Directional Earth Fault Boundary System Angles
24
Derived Earth Fault (67/50N, 67/51N)
25
Figure 2-7 Derived Earth Fault
25
Definite Time Overcurrent (50N)
26
Directional Polarity
26
Inverse Time Overcurrent (51N)
26
Measured Earth Fault (67/50G,67/51G)
29
Figure 2-8 Measured Earth Fault
29
Definite Time Overcurrent (67/50G)
30
Directional Polarity
30
Inverse Time Overcurrent (67/51G)
30
Sensitive Earth Fault (67/50S,67/51S)
33
Figure 2-9 Sensitive Earth Fault
33
Definite Time Overcurrent (50SEF)
34
Directional Polarity
34
Inverse Time Overcurrent (51SEF)
34
Restricted Earth Fault (64H)
37
Figure 2-10 Restricted Earth Fault
37
Negative Phase Sequence Overcurrent (46NPS)
39
Figure 2-11 Negative Phase Sequence Overcurrent
39
Definite Time NPS Overcurrent (46DT)
40
Inverse Time NPS Overcurrent (46IT)
40
Undercurrent (37)
42
Figure 2-12 Undercurrent
42
Thermal Overload (49)
44
Figure 2-13 Thermal Overload
44
2.13 Over/Under Voltage
46
Phase Under/Over Voltage (27/59)
46
Figure 2-14 Phase Under/Over Voltage
46
Undervoltage Guard (27/59UVG)
48
VX Under/Over Voltage (VX 27/59)
49
Figure 2-15 VX Under/Over Voltage
49
NPS Overvoltage (47)
51
Figure 2-16 NPS Overvoltage
51
Neutral Overvoltage (59N)
53
Definite Time (59NDT)
53
Figure 2-17 Neutral Overvoltage
53
Inverse Time (59NIT)
54
Under/Over Frequency (81)
55
Figure 2-18 Under/Over Frequency
55
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Siemens Argus 7SR22 Manual (39 pages)
Brand:
Siemens
| Category:
Relay
| Size: 0.67 MB
Table of Contents
Document Release History
1
Software Revision History
1
Table of Contents
2
Contents
2
Section 1: Common Functions
4
Multiple Settings Groups
4
Figure 1.1-1 Example Use of Alternative Settings Groups
4
Binary Inputs
5
Figure 1.2-1 Example of Transformer Alarm and Trip Wiring
5
Figure 1.2-2 - Binary Input Configurations Providing Compliance with EATS 48-4 Classes
7
Binary Outputs
8
Leds
8
Figure 1.4-1 LED Configuration Via the LED Matrix Tab
8
Figure 1.4-2 LED Configuration Via the Settings \ OUTPUT CONFIG \ LED CONFIG Menu
9
Section 2: Protection Functions
10
Time Delayed Overcurrent (51/51G/51N)
10
Figure 2.1-1 IEC ni Curve with Time Multiplier and Follower DTL Applied
10
Selection of Overcurrent Characteristics
11
Figure 2.1-2 IEC ni Curve with Minimum Operate Time Setting Applied
11
Reset Delay
12
Figure 2.1-3 Reset Delay
12
Table 2-1 Application of IDMTL Characteristics
12
Voltage Dependent Overcurrent (51V)
13
Cold Load Settings (51C)
13
Instantaneous Overcurrent (50/50G/50N)
14
Blocked Overcurrent Protection Schemes
14
Figure 2.4-1 General Form of DTL Operate Characteristic
14
Figure 2.4-2 Blocking Scheme Using Instantaneous Overcurrent Elements
15
Sensitive Earth-Fault Protection (50SEF)
16
Figure 2.5-1 Sensitive Earth Fault Protection Application
16
Directional Protection (67)
17
Figure 2.6-1 Directional Characteristics
17
Figure 2.6-2 Phase Fault Angles
17
Figure 2.6-3 Application of Directional Overcurrent Protection
18
Figure 2.6-4 Feeder Fault on Interconnected Network
19
Directional Earth-Fault (50/51G, 50/51N, 51/51SEF)
20
Figure 2.7-1 Earth Fault Angles
20
High Impedance Restricted Earth Fault Protection (64H)
21
Figure 2.8-1 Balanced and Restricted Earth-Fault Protection of Transformers
21
Figure 2.8-2 Composite Overcurrent and Restricted Earth-Fault Protection
22
Negative Phase Sequence Overcurrent (46NPS)
23
Undercurrent (37)
23
Thermal Overload (49)
23
Figure 2.11-1 Thermal Overload Heating and Cooling Characteristic
23
Under/Over Voltage Protection (27/59)
24
Neutral Overvoltage (59N)
25
Figure 2.13-1 NVD Application
25
Figure 2.13-2 NVD Protection Connections
25
Application with Capacitor Cone Units
26
Derived NVD Voltage
26
Negative Phase Sequence Overvoltage (47)
26
Under/Over Frequency (81)
27
Figure 2.15-1 Load Shedding Scheme Using Under-Frequency Elements
27
Section 3: CT Requirements
28
CT Requirements for Overcurrent and Earth Fault Protection
28
Overcurrent Protection Cts
28
Earth Fault Protection Cts
28
CT Requirements for High Impedance Restricted Earth Fault Protection
28
Section 4: Control Functions
29
Auto-Reclose Applications
29
Figure 4.1-1 Sequence Co-Ordination
29
Auto-Reclose Example 1
30
Auto-Reclose Example 2 (Use of Quicklogic with AR)
31
Figure 4.1-2 Example of Logic Application
31
Quick Logic Applications
32
Auto-Changeover Scheme Example
32
Figure 4.2-1 Example Use of Quick Logic
32
Section 5: Supervision Functions
33
Circuit-Breaker Fail (50BF)
33
Siemens Argus 7SR22 Installation Manual (22 pages)
Brand:
Siemens
| Category:
Relays
| Size: 0.71 MB
Table of Contents
Document Release History
1
Software Revision History
1
Table of Contents
2
Contents
2
List of Figures
3
Section 1: Installation
4
Unpacking, Storage and Handling
4
Recommended Mounting Position
4
Wiring
4
Earthing
4
Ancillary Equipment
4
Section 2: Equipment Operating Conditions
5
Current Transformer Circuits
5
External Resistors
5
Fibre Optic Communication
5
Front Cover
5
Section 3: Dimensions and Panel Fixings
6
Relay Dimensions and Weight
6
Figure 3.1-1 Overall Dimensions (MM) and Panel Drilling for Size E6 Epsilon Case
6
Figure 3.1-2 Overall Dimensions (MM) and Panel Drilling for Size E8 Epsilon Case
6
Fixings
7
3.2.1 Crimps
7
3.2.2 Panel Fixings
7
Fibre Optic Connectors
7
Section 4: Rear Terminal Drawings
8
E6 Case
8
Figure 4.1-1 E6 Standard Comms (USB Front Port, Rear RS485) (See Note 2)
8
Figure 4.1-2 E6 Standard + Additional Comms (IRIG-B, 2 X F.O. (ST Connectors))
8
Figure 4.1-3 E6 Standard + Additional Comms (IRIG B + RS485) (See Note 2)
9
Figure 4.1-4 E6 Standard + Additional Comms (IRIG B + RS232)
9
E8 Case
10
Figure 4.2-1 E8 Standard Comms (USB Front Port, Rear RS485) (See Note 2)
10
Figure 4.2-2 E8 Standard + Additional Comms (IRIG B, 2 X F.O. (ST Connectors))
10
E8 Case
11
Figure 4.3-1 E8 Standard + Additional Comms (IRIG B + RS485) (See Note 2)
11
Figure 4.3-2 E8 Standard + Additional Comms (IRIG B + RS232)
11
Section 5: Connection/Wiring/Diagrams
12
Wiring Diagram: 7SR21 OC/EF Relay
12
Figure 5.1-1 Connection Diagram for 7SR21 Relay
12
Wiring Diagram: 7SR22 Directional OC/EF Relay
13
Figure 5.2-1 Connection Diagram for 7SR22 Relay
13
Section 6: Data Comms Connections
14
Standard RS485 Connections
14
IRIG-B Connections
14
Figure 6.1-1 RS485 Data Comms Connections between Relays
14
Additional (Optional) Fibre Optic Connections
15
Figure 6.3-1 Data Comms to Multiple Devices Using 7SG24 and F.O. Star Network
15
Figure 6.3-2 Data Comms to Multiple Devices Using 7SG24 and F.O. Ring Network
15
Additional (Optional) RS485 Connections
16
Additional (Optional) RS232 Connections
16
Figure 6.4-1 RS485 Data Comms Connections between Relays
16
Figure 6.5-1 RS232 Data Comms Pin Connections
16
Siemens Argus 7SR22 Manual (15 pages)
Non-Directional. Directional. Overcurrent Relay
Brand:
Siemens
| Category:
Relays
| Size: 0.43 MB
Table of Contents
Table of Contents
2
Section 1: Introduction
4
Section 2: Physical Connection
5
Communication Ports
5
Standard USB Interface
5
Standard RS485 Interface
6
Figure 2-1 Communication to Front USB Port
6
Figure 2-2 Communication to Multiple Devices from Control System Using RS485
6
Optional Fibre Optic Interface
7
Figure 2-3 Communication to Multiple Devices Using Fibre-Optic Ring Network
10
Figure 2-4 Communication to Multiple Devices from Control System and Laptop Using Fibre-Optic Star Network
10
Optional Rear RS485 + IRIG-B Interface
11
Optional Rear RS232 + IRIG-B Connection
11
Figure 2-5 Additional (Optional) Rear RS485 + IRIG-B Connection to a PC
11
Figure 2-6 Additional (Optional) Rear RS232 + IRIG-B Connection to a PC
11
Figure 2-7 RS232 Data Comms Pin Connections
11
Section 3: Modems
12
Connecting a Modem to the Relay(S)
12
Setting the Remote Modem
12
Connecting to the Remote Modem
12
Figure 3-1 Communication to Device Using 7SG24 and Modem
13
Section 4: Configuration
14
Section 5: Glossary
15
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