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IEEE 1283 2005

$58.50

IEEE Guide for Determining the Effects of High Temperature Operation on Conductors, Connectors, and Accessories

Published By Publication Date Number of Pages
IEEE 2005 35
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New IEEE Standard – Active. The purpose of this guide is to provide general recommendations for consideration when designing new overhead transmission lines that will be operated at high temperatures. It may also evaluate existing transmission lines for operation at higher temperatures. Although this guide is intended for overhead transmission lines, most of the discussion will also be applicable to distribution lines.

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PDF Pages PDF Title
2 IEEE Guide for Determining the Effects of High-Temperature Operation on Conductors, Connectors, and Accessories
4 Introduction
Notice to users
Participants
6 Contents
8 IEEE Guide for Determining the Effects of High-Temperature Operation on Conductors, Connectors, and Accessories
1. Overview
9 2. References
10 3. Definitions, acronyms, and abbreviations
3.1 Definitions
3.1.1 annealing: A metallurgical process where high temperatures allow internal stress relaxation…
3.1.2 conductor: An overhead bare metal cable used to transmit electrical energy.
3.1.3 conductor hardware: Mechanical devices attached directly to the conductor that do not carry…
3.1.4 connector: A current-carrying mechanical device used to join two or more conductors or a co…
3.1.5 connector failure, electrical: Advanced connector aging where the locations for easily esta…
3.1.6 connector failure, general: Thermal failure.
3.1.7 connector failure, mechanical: Advanced connector aging where the connector’s operating tem…
3.1.8 connector failure, thermal: Advanced connector aging where the connector’s operating temper…
3.1.9 connector, full tension: A connector designed to join conductors and achieve at least 95% o…
3.1.10 connector, limited tension: A connector designed to join conductors for low-tension applic…
3.1.11 creep, accelerated rate: An increase in a conductor’s creep rate over general creep rate, …
3.1.12 creep, general: The accumulative nonelastic elongation of a conductor under tension over a…
3.1.13 creep, high temperature: The creep a conductor experiences over a period of time operating…
3.1.14 high-temperature operation: Operating conductors and connectors at temperatures where ther…
3.1.15 loss of strength: The partial loss of a conductor’s mechanical strength through annealing.
11 3.1.16 maximum conductor operating temperature: The maximum conductor temperature at which the tr…
3.1.17 ruling span: A representative level span for a line section of contiguous unequal suspensi…
3.1.18 steel core: The inner strength member of a composite conductor composed of steel strand(s).
3.1.19 steel strands, aluminized: Steel core wire strands coated with aluminum to reduce corrosio…
3.1.20 steel strands, aluminum clad: Steel core wire strands clad with aluminum to reduce corrosi…
3.1.21 steel strands, galvanized: Steel core wire strands coated with zinc to reduce corrosion of…
3.2 Acroynms and abbreviations
4. Conductors
4.1 Conductor types
4.2 Stranding types
4.3 High-temperature creep
12 4.4 Loss of strength and annealing
13 4.5 High-temperature effects on conductor core
14 4.6 High-temperature effects on sags and tensions
16 5. Connectors
5.1 Design of connectors
5.2 Connector high-temperature operation
18 5.3 Analysis of connector high-temperature operation
5.4 Mitigation of connector high-temperature operation
6. Conductor hardware
19 6.1 Metallic conductor hardware
20 6.2 Nonmetallic conductor hardware
21 Annex A (informative) Bibliography
28 Annex B (informative) Creep predictor equations for high-temperature operation
32 Annex C (informative) Example of calculating elevated temperature creep and its effect on conductor sag
IEEE 1283 2005
$58.50