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7PG21 Solkor Rf
Siemens 7PG21 Solkor Rf User Manual
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7PG21 Solk
or Rf
Feeder Protection
Reyr
olle
Pr
ot
ection
Devices
2
Table of Contents
Reyrolle Protection Devices
2
Table of Contents
2
Description of Operation
3
General
5
Description
6
Installation
7
Operation
8
Figure 4 through Fault, Zero Ohm Pilots, Positive Half Cycle
9
Figure 6 through Fault, 1000 Ohm Pilots, Positive Half Cycle
10
Figure 8 through Fault Rf Mode, Positive Half Cycle
11
Figure 10 through Fault Rf Mode, Positive Half Cycle
12
Figure 12 Internal Fault Rf Mode, Positive Half Cycle
13
Diagrams
14
Siemens Protection Devices Limited
15
Performance Specification
16
Applications Guide
21
Settings
22
General
23
Information Required When Ordering
24
Equipment Options
25
Solkor Plain Protection Schemes
25
Pilot Supervision
25
5Kv Schemes
25
Injection Intertripping 5Kv or 15Kv
25
R Mode
25
Rf Mode
25
Overcurrent Guard Relay
26
5/15Kv Isolation Voltage
30
Pilot Cables
30
Injection Intertripping
31
Overcurrent Guard Relays
31
Pilot Supervision
31
Capacitive Charging Currents
32
In-Zone Tapped Load
32
N1 Setting
32
Current Transformer Requirements
33
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
36
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
40
Table of Contents
41
Fixings
42
Epsilon Cases
42
Crimps
42
Panel Fixing Screws
43
Vedette Cases
43
Crimps
43
Panel Fixing
43
Back of Panel Cases
43
Mounting Arrangement
43
Figure 1. E2 Case
44
Figure 2. E4 Case
44
Figure 3. E6 Case
44
Figure 4. Vedette C1½ Case
45
Figure 5. 15Kv Transformer Outline & Mounting Arrangement
46
Figure 6. Intertripping Inverter Outline and Mounting Arrangement
46
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
47
Recommended Mounting Position
42
Relay Dimensions
42
Unpacking, Storage and Handling
42
Table of Contents
48
Introduction
49
Solkor R/Rf Relay
49
Test Equipment Required
49
Test Programme
49
Precautions
49
Connection
50
Secondary Wiring Insulation-Resistance Test
50
Pilot Tests
51
Insulation-Resistance Test
51
Pilot-Loop Resistance Tests
51
Pilot Connection Check
52
Overall Fault-Setting Tests
52
Circuit-Breaker Tripping Tests
54
Stability Tests
54
Alternative Tests if Primary Injection Equipment Is Not Available
56
Check of Fault Settings by Secondary Injection
56
Current Transformer Ratio and Polarity Tests
56
Check of Secondary Connections
57
Putting into Service
58
Operation
58
Maintenance
58
Solkor RF Relay - Connections for Use in Solkor R Mode
59
Pilot Supervision Equipment
60
Introduction
60
Description of Equipment
60
Commissioning Tests
60
Check of Connections
60
Secondary Wiring Insulation Resistance Tests
60
Pilot Tests
61
Ratio and Polarity
61
Overall Fault Setting Tests
61
Check of Pilots Supervision Receive Relay
61
Test of Guard Relays (Where Fitted)
62
Test of Pilot Supervision Supply Failure Relay (Where Fitted)
62
Overall Tests of Pilot Supervision Equipment
62
Stability Tests
63
Putting into Service
63
Notes
63
Solkor Intertripping
64
Introduction
64
Description
64
Open Circuiting of Pilots - Solkor-R and Solkor-Rf
64
DC Injection Intertripping
64
Injection Intertripping - Solkor-R & Solkor-Rf
65
Commissioning
66
Description of Operation of TEC Relay
66
Check on D.C/ A.C. Inverter
66
Putting into Service
67
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It
68
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Siemens 7PG21 Solkor Rf Specifications
General
Brand
Siemens
Model
7PG21 Solkor Rf
Category
Protection Device
Language
English
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