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IEEE C37.230 2008

$37.38

IEEE Guide for Protective Relay Applications to Distribution Lines

Published By Publication Date Number of Pages
IEEE 2008 100
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New IEEE Standard – Active. A review of generally accepted applications and coordination of protection for radial power system distribution lines is presented. The Guide examines the advantages and disadvantages of schemes presently being used in protecting distribution lines. Identification of problems with the methods used in distribution line protection and the solutions for those problems are included.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std C37.230-2007 Front Cover
3 Title Page
6 Introduction
Notice to users
Errata
Interpretations
Patents
Participants
10 CONTENTS
13 IEEE Guide for Protective Relay Applications to Distribution Lines
1. Overview
1.2 Scope
1.3 Purpose
2. Normative references
14 3. Definitions
4. Fundamentals
4.1 Fault characteristics
16 4.2 Load characteristics
4.3 Harmonics and transients
19 4.4 Interrupting ratings
5. System configuration and components
5.1 System
40 5.2 Lines
41 5.3 Transformer—distribution substation
42 5.4 Protective devices
44 5.5 Switching
5.6 Instrument transformers (sensing)
51 6. Protective schemes
6.1 Overcurrent scheme
53 6.2 Fuse saving/blowing schemes
55 6.3 Voltage scheme
58 6.4 Impedance and communications assisted schemes
7. Criteria and examples
59 7.1 Reach/sensitivity
63 7.2 Coordination
70 7.3 Clearing time
71 7.4 Reclosing (79 function)
72 7.5 Cold load pickup
7.6 Adaptive relaying cold load
73 7.7 Fuse saving
74 8. Special applications
8.1 Parallel lines
8.2 Automation
76 8.3 Load shedding
77 8.4 Adaptive relaying schemes
8.5 Multiple faults
78 8.6 Sympathetic tripping
8.7 Distributed resources
81 8.8 Communications
84 8.9 Multiple source configurations
85 8.10 Directional overcurrent relay
87 8.11 Motors (effects of unbalance)
88 8.12 Breaker failure
89 8.13 Single-phase tripping
90 8.14 Resonant grounding in distribution systems
93 8.15 Selective ground fault protection of an ungrounded system
96 Annex A (informative) Bibliography
100 Annex B (informative) Glossary
IEEE C37.230 2008
$37.38