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29、ights, and the risk of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEE Standards Association. 6 Copyright 2017 IEEE. All rights reserved. Participants At the time this IEEE guide was completed, the Task Group of the Working Group o
30、n the Construction of Overhead Lines of the Towers, Poles, and Conductors Subcommittee Working Group had the following membership: Randy Hopkins, Chair Gordon Baker Neal Chapman Rob Christman Herve Deve Mark Jurgemeyer Robert Kluge Thomas McCarthy Ray McCoy Bob Millies Peter Morgan Kim Nuckles Dougl
31、as O. Proctor Frank R. Thrash, Jr. The following members of the individual balloting committee voted on this guide. Balloters may have voted for approval, disapproval, or abstention. William Ackerman Thomas Barnes Earle Bascom III Wallace Binder Gustavo Brunello William Byrd Thomas Callsen Richard C
32、ollins Glenn Davis Gary Donner Randall Dotson George Gela Frank Gerleve David Gilmer Waymon Goch Edwin Goodwin Charles Grose Randall Groves Jeffrey Helzer Steven Hensley Lee Herron Werner Hoelzl Alan Holloman Randy Hopkins Edward Hunt Magdi Ishac Song Jin Mark Jurgemeyer Robert Kluge Jim Kulchisky C
33、hung-Yiu Lam Michael Lauxman Otto Lynch Thomas McCarthy Sujeet Mishra Jerry Murphy Ryan Musgrove Arthur Neubauer Michael Newman Carl Orde Lorraine Padden Bansi Patel Christopher Petrola Douglas O. Proctor Jerry Reding Michael Roberts Thomas Rozek Daniel Sabin Bartien Sayogo Dennis Schlender Nikunj S
34、hah Jerry Smith Eriks Surmanis Michael Swearingen John Toth Roger Verdolin John Vergis Daniel Ward Yingli Wen Kenneth White Luis ZambranoWhen the IEEE-SA Standards Board approved this guide on 30 June 2016, it had the following membership: John D. Kulick, Chair Jon Walter Rosdahl, Vice Chair Richard
35、 H. Hulett, Past Chair Konstantinos Karachalios, Secretary Masayuki Ariyoshi Ted Burse Stephen Dukes Jean-Philippe Faure J. Travis Griffith Gary Hoffman Michael Janezic Joseph L. Koepfinger* David J. Law Hung Ling Andrew Myles T. W. Olsen Glenn Parsons Ronald C. Petersen Annette D. Reilly Stephen J.
36、 Shellhammer Adrian P. Stephens Yatin Trivedi Philip Winston Don Wright Yu Yuan Daidi Zhong *Member Emeritus 7 Copyright 2017 IEEE. All rights reserved. Introduction This introduction is not part of IEEE Std 524-2016, IEEE Guide for the Installation of Overhead Transmission Line Conductors. This gui
37、de provides general recommendations for the selection of methods, equipment, and tools that have been found to be practical for the stringing and grounding of overhead transmission line conductors and overhead groundwires. The following revisions have been made and are intended to improve the useful
38、ness of the document: The definitions in 3.1 have been expanded. The acronyms in 3.2 have been expanded. The drawings throughout the guide have been updated. Reel handling has been expanded in 7.2. The section on the use of the stopwatch method for sag measurements has been expanded. The section on
39、the use of dynamometers for sag measurements has been expanded. Sagging on flexible structures has been expanded in 10.5.2. The wind effects on sag measurements have been added to 10.5.14. Aluminum conductor, steel supported has been expanded in 11.1. T-2 conductor has been changed to its current tw
40、isted pair designation and 11.2 on TP conductors have been expanded. Aluminum conductor composite reinforced has been added in 11.6. Aluminum conductor composite core has been added in 11.7. 8 Copyright 2017 IEEE. All rights reserved. Contents 1. Overview 11 1.1 Scope . 11 1.2 Purpose 11 1.3 Applica
41、tion 11 2. Normative references 12 3. Definitions, acronyms, and abbreviations 12 3.1 Definitions . 12 3.2 Acronyms and abbreviations . 31 3.3 Acronyms for grades of steel . 32 4. Conductor stringing methods 33 4.1 Slack or layout method 33 4.2 Tension method . 33 5. Grounding equipment and methods
42、34 5.1 Protective grounding principles . 34 5.2 Protection of personnel 34 5.3 Hazards and electrical concepts . 35 5.4 Grounding equipment, methods, and testing . 35 5.5 Transmission line construction grounding systems . 45 6. Communications . 51 7. Conductor reels . 51 7.1 Reel types 51 7.2 Reel h
43、andling . 51 8. Special requirements for mobile equipment . 51 8.1 Reel stand 51 8.2 Helicopter 52 8.3 Tensioner bullwheel characteristics . 52 8.4 Puller and tensioner operating characteristics 53 8.5 Pilot-line winder operating characteristics . 54 9. Travelers . 55 9.1 Sheave diameter . 55 9.2 Co
44、nfiguration of groove 56 9.3 Bearings . 57 9.4 Material and construction 58 9.5 Lining 58 9.6 Electrical characteristics 58 9.7 Bundled configurations 59 9.8 Helicopter travelers 59 9.9 Uplift rollers and hold-down blocks 60 9.10 Traveler suspension . 60 10. Typical procedures for stringing operatio
45、ns . 61 10.1 Pull, tension, anchor, and splicing sites . 61 10.2 Section between snub structures 62 9 Copyright 2017 IEEE. All rights reserved. 10.3 Conductor splicing . 64 10.4 Stringing procedures 66 10.5 Sagging procedures 70 10.6 Deadending precautions . 77 10.7 Clipping-in . 78 10.8 Damper inst
46、allation 78 10.9 Spacer and spacer damper installation . 78 11. Special conductors 79 11.1 Aluminum conductors, steel supported (ACSS) 79 11.2 Twisted pair (TP) conductors 80 11.3 Self-damping conductor (SDC) . 84 11.4 Composite overhead groundwire with optical fibers (OPGW) 85 11.5 All-dielectric s
47、elf-supporting fiber cable (ADSS) . 86 11.6 Aluminum conductor, composite reinforced (ACCR) . 88 11.7 Aluminum conductor, composite core (ACCC) 91 Annex A (informative) Bibliography . 94 Annex B (informative) Electrical theory 96 B.1 Electric field induction 96 B.2 Magnetic field induction . 99 Anne
48、x C (informative) Grounding electrical concepts 101 C.1 Physiological reactions 101 C.2 Body resistance 104 C.3 Step voltage 105 C.4 Touch voltage.107 C.5 General theory summary 108 C.6 Induced voltages and currents 109 C.7 Fault conditions 112 C.8 Lightning 112 C.9 Accidental energized line .112 C.
49、10 Static charge (atmospheric) 112 C.11 Summary 112 Annex D (informative) Travelers of snub structure load calculation 114 Annex E (informative) Basic analysis for clipping offsets and sagging 116 Annex F (informative) Efficiency of travelers during tension stringing .124 Annex G (informative) Recommended bearing pressure on sheave linings 126 Annex H (informative) All aluminum 1350 alloy conductor standard packages 128 Annex I (informative) ACSR conductor standard packages 130 Annex J (informative) Drum or reel winding 133 Annex K (informative) Drum or reel capacities 134 K.1 Sta
