IEEE C37.120-2021
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IEEE Guide for Protection System Redundancy for Power System Reliability
Published By | Publication Date | Number of Pages |
IEEE | 2021 | 72 |
New IEEE Standard – Active. This guide is developed to assist users in selecting the appropriate level of protection system redundancy for power system reliability based on the best industry practices. It defines protection system redundancy and examines the effect of protection system components on redundancy. Different concepts of redundancy as related to physical location, instrument transformer, relay scheme, and communication systems are discussed. Redundancy application considerations for various power system elements are presented.
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | IEEE Std C37.120ā¢-2021 Front cover |
2 | Title page |
4 | Important Notices and Disclaimers Concerning IEEE Standards Documents |
8 | Participants |
10 | Introduction |
11 | Contents |
12 | List of Figures |
14 | List of Tables |
15 | 1.āOverview 1.1āScope 1.2āPurpose 1.3āWord usage 2.āNormative references |
16 | 3.āDefinitions, acronyms, and abbreviations 3.1āDefinitions |
17 | 3.2āAcronyms and abbreviations |
18 | 4.āGeneral considerations for redundancy 4.1āOverview 4.2āRedundancy fundamentals |
20 | 4.3āRequired degree of protection |
21 | 4.4āEconomic considerations 4.5āImpact of redundancy on reliability |
24 | 4.6āRedundancy simplicity considerations |
25 | 4.7āRelay technology effect on redundancy 4.8āMaintenance considerations 5.āComponent effect on protection system redundancy 5.1āGeneral |
26 | 5.2āPhysical redundancy 5.3āInstrument transformer circuit redundancy |
29 | 5.4āMerging units |
30 | 5.5āBattery/dc source circuit redundancy |
33 | 5.6āDC control circuit redundancy 5.7āBreaker trip coil circuit redundancy |
34 | 5.8āRelay system redundancy |
38 | 5.9āCommunications channel redundancy |
42 | 5.10āLocal area network redundancy |
48 | 5.11āTiming system redundancy |
50 | 6.āRedundancy application considerations 6.1āOverview |
51 | 6.2āGenerator protection |
54 | 6.3āBus protection |
55 | 6.4āTransmission line protection |
58 | 6.5āTransformer protection |
59 | 6.6āShunt reactor protection |
61 | 6.7āCapacitor bank protection |
63 | 6.8āDistribution protection 6.9āBreaker failure protection |
65 | 6.10āAutoreclosing redundancy 6.11āSystem integrity protection schemes (SIPS) |
68 | 6.12āRefurbishment considerations |
70 | AnnexĀ A (informative) Bibliography |
72 | Back cover |