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IEEE C37.236-2013

$60.83

IEEE Guide for Power System Protective Relay Applications Over Digital Communication Channels

Published By Publication Date Number of Pages
IEEE 2013 84
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New IEEE Standard – Active. Guidance for the power system user in applying, installing and operating digital communication channels for the purpose of protective relaying is provided in this guide.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std C37.236-2013 front cover
3 Title page
6 Notice to users
Laws and regulations
Copyrights
Updating of IEEE documents
Errata
Patents
8 Participants
10 Introduction
11 Contents
13 IMPORTANT NOTICE
1. Overview
1.1 Scope
1.2 Purpose
14 2. Definitions and acronyms
2.1 Definitions
16 2.2 Acronyms and abbreviations
18 3. Types of digital teleprotection equipment
3.1 Standalone teleprotection systems
19 3.2 Teleprotection integrated with relay devices
3.3 Teleprotection integrated with multiplexed communication devices
20 4. Communications infrastructure
4.1 Noise
21 4.1.1 Power system coupled noise
22 4.1.2 Noise generated by the communication systems
23 4.2 Connections
4.2.1 Digital electrical interfaces
34 4.2.2 Audio to digital interfaces
4.2.3 Fiber optic interfaces
36 4.2.4 Connection issues
4.3 Signal attenuation
37 4.4 Radio frequency interference
38 4.5 Connections to non-substation hardened equipment
4.6 Environmental standards
39 5. Security dependability, and speed
5.1 Security
5.2 Dependability
40 5.3 Speed
6. Digital communications transport technology
6.1 Introduction
6.2 Fiber optics
41 6.2.1 Fiber optic types and considerations
45 6.2.2 Dedicated point to point (dark) fiber
46 6.2.3 IEEE C37.94 fiber optic channel interface
47 6.2.4 Electrical to fiber converters
48 6.3 Digital microwave
6.3.1 Microwave considerations
49 6.3.2 Microwave losses
50 6.3.3 Digital microwave topologies
51 6.3.4 Digital microwave channel performance
6.4 Spread spectrum radio communication
6.4.1 Frequency-hopping spread spectrum technology
6.4.2 Direct-sequence spread spectrum technology
52 6.4.3 Orthogonal frequency-division multiplexing technology
6.4.4 Path engineering considerations
6.4.5 Path issues
6.4.6 Requirements on relays
6.4.7 Requirements on teleprotection
53 6.4.8 Requirements on communication
6.4.9 Radio protocols
6.4.10 Speed
54 6.4.11 Interference characteristics and mitigation techniques
6.5 Multiplexers
55 6.5.1 Digital telephone hierarchy (T1)
6.5.2 SONET hierarchy
6.5.3 Communications configurations
58 6.5.4 Digital channel characteristics
59 6.5.5 Switching networks
61 6.5.6 Interfaces
63 6.6 Digital phone line
64 6.7 Ethernet
6.7.1 Use of IEC 61850 for the communication between substations
66 6.8 Audio communications over digital networks
6.8.1 Effects of digital noise on audio teleprotection
67 6.8.2 How to improve analog performance
70 6.9 Satellite
7. Power schemes
7.1 Current differential scheme
71 7.2 AC pilot-wire relays
72 7.3 Phase comparison schemes
7.3.1 Single-phase comparison
73 7.3.2 Dual phase comparison
7.3.3 Segregated phase comparison
7.4 Directional comparison schemes
7.4.1 Direct under-reaching transfer trip
74 7.4.2 Permissive under-reaching transfer trip
75 7.4.3 Permissive over-reaching transfer trip
7.4.4 Directional comparison block
76 7.4.5 Directional comparison unblocking
7.4.6 Directional comparison hybrid (unblocking scheme with echo logic)
77 8. Planning
8.1 Digital communication schemes
78 8.2 Interoperability
8.2.1 Manufacturers
79 8.2.2 Protocols
8.2.3 Communication technologies
8.3 Redundancy and diversity
80 9. Testing and troubleshooting installed equipment
9.1 Loopbacks
9.2 Coordination between communications and relaying
9.3 Alarms
82 9.3.1 Types of alarm indication outputs
9.4 Monitoring
9.5 Maintenance
9.5.1 Preventative based maintenance
9.5.2 Condition based maintenance
9.5.3 Performance based maintenance
83 Annex A (informative) Bibliography
IEEE C37.236-2013
$60.83