IEEE 532-2007 en Guide for Selecting and Testing Jackets for Power Instrumentation and Control Cables《电力、仪器和控制电缆用护套的选择和试验用指南》.pdf

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1、IEEE Std 532-2007(Revision ofIEEE Std 532-1993)IEEE Guide for Selecting and TestingJackets for Power, Instrumentation,and Control CablesIEEE3 Park Avenue New York, NY 10016-5997, USA7 January 2008IEEE Power Engineering SocietySponsored by theInsulated Conductors Committee532TMIEEE Std 532TM-2007 (Re

2、vision of IEEE Std 532-1993) IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables Sponsor Insulated Conductors Committee of the IEEE Power Engineering Society Approved 27 September 2007 IEEE-SA Standards Board Abstract: This guide covers properties of commonly

3、used jackets as well as selection and testing of jackets. It is written for those responsible for optimizing cable designs. The purpose is to present a reasonably complete picture of the role of jackets so that the subject can be approached in an orderly and organized manner. An effort has been made

4、 to avoid the highly technical language and theory commonly used by electrical engineers and chemists to discuss the more detailed application of jackets. Keywords: cables, jackets, testing The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyri

5、ght 2008 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 7 January 2008. Printed in the United States of America. National Electrical Safety Code and NESC are registered trademarks in the U.S. Patent +1 978 750 8400. Permission to photocopy portions of a

6、ny individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. iv Copyright 2008 IEEE. All rights reserved. Introduction This introduction is not part of IEEE Std 532-2007, IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and

7、 Control Cables. This guide is concerned with jackets as they are defined in The Authoritative Dictionary of IEEE Standards, Seventh Edition (“A thermoplastic or thermosetting plastic covering, sometimes fabric reinforced, applied over the insulation, core, metallic sheath, or armor of a cable”). Us

8、ers should note that this guide makes reference to standards developed by the Insulated Cable Engineers Association (ICEA), the Association of Edison Illuminating Companies (AEIC), and other organizations. This guide is written to provide cable users guidance in the selection of jackets and protecti

9、ve covers for the purpose of optimizing cable design. A secondary purpose is to present a reasonably complete picture of the types and functions of jackets so that the user can approach the subject in an orderly and logical manner. An effort has been made to avoid the highly technical language and t

10、heory commonly used by electrical engineers and chemists to discuss the more detailed application of jackets. As a result, the various topics covered in this guide are not necessarily exhaustive in every respect. This guide provides recommendations for the properties, characteristics, design, and te

11、sting of various types of cable jackets. It is the intent of this guide to ensure that jacket materials are suitably specified for their intended applications. Also, jackets should provide a level of electrical, thermal, mechanical, and chemical durability to ensure that cable performance is reliabl

12、e under normal use and should reduce the danger to the user or surroundings. The users of this guide are cautioned that all data contained herein are presented for information purposes only. Where deemed necessary, additional, as well as more detailed, information should be obtained by consultation

13、with the cable manufacturer and other experts in the field. Notice to users Errata Errata, if any, for this and all other standards can be accessed at the following URL: http:/ standards.ieee.org/reading/ieee/updates/errata/index.html. Users are encouraged to check this URL for errata periodically.

14、Interpretations Current interpretations can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/interp/ index.html. v Copyright 2008 IEEE. All rights reserved. Patents Attention is called to the possibility that implementation of this standard may require use of subject matter co

15、vered by patent rights. By publication of this standard, no position is taken with respect to the existence or validity of any patent rights in connection therewith. The IEEE is not responsible for identifying Essential Patent Claims for which a license may be required, for conducting inquiries into

16、 the legal validity or scope of Patents Claims or determining whether any licensing terms or conditions are reasonable or non-discriminatory. Further information may be obtained from the IEEE Standards Association. Participants At the time this guide was submitted to the IEEE-SA Standards Board for

17、approval, the A7W Guide for Selecting and Testing Jackets Working Group had the following membership: Paul J. Caronia, Chair Eric P. Marsden, Vice Chair Michael G. Bayer Sandeep Bhatt Kenneth E. Bow Ray Bristol John R. Cancelosi Robert DeMair William Fajardo Cindy Flenniken John Hans A. J. Hirananda

18、ni Jonathan Kaye Carl C. Landinger Allen MacPhail Serge Pelissou Ken Prier John T. Smith III Joseph H. Snow Blaine Strampe Steve Szaniszlo Bill Temple W. A. Thue Edward E. Walcott John N. Ware Jr. The original guide represents the work of the Sheaths and Coverings Subcommittee No. 6 of the IEEE Insu

19、lated Conductors Committee. Grateful acknowledgment is given to the many individuals who prepared material for this guide and, in particular, to the members of Task Group 6-3. L. J. Kelley, Chair Kenneth E. Bow M. Brown A. A. Carlomagno W. F. Constantine R. J. Dashner W. H. Dittman E. J. DAquanno E.

20、 J. Fisher R. L. Fleming B. R. Grosser A. S. Jones M. Kopchik J. H. Lawson Carl C. Landinger R. D. Lowe J. D. Medek W. C. Peterson J. J. Pickering J. G. Quin G. K. Raikos R. A. Resuali Joseph H. Snow B. A. Sorenson M. D. Sweat Steve Szaniszlo A. C. Tingley H. D. Thomas A. Uzee Edward E. Walcott R. H

21、. Watkins W. W. Watson vi Copyright 2008 IEEE. All rights reserved. The following members of the balloting committee voted on this guide. Balloters may have voted for approval, disapproval, or abstention. S. K. Aggarwal Stan J. Arnot Gary E. Arnston Michael G. Bayer Steven Bezner William G. Bloethe

22、Kenneth E. Bow James A. Braun Steven R. Brockschink Kent W. Brown Vern L. Buchholz John R. Cancelosi Paul J. Caronia Suresh Channarasappa Tommy P. Cooper Russ C. Dantzler Stephen Dare Matthew T. Davis Randall L. Dotson Donald G. Dunn Gary R. Engmann Rabiz N. Foda Randall C. Groves Frank Di Guglielmo

23、 Richard L. Harp Wolfgang B. Haverkamp Adrienne M. Hendrickson Gary A. Heuston Lauri J. Hiivala David A. Horvath James D. Huddleston III A. S. Jones James H. Jones Joseph L. Koepfinger Robert L. Konnik Jim Kulchisky Chung-Yiu Lam Solomon Lee William E. Lockley Russell E. Lowe G. L. Luri Eric P. Mars

24、den William E. McBride William M. McDermid John E. Merando Jr. Gary L. Michel Jerry R. Murphy Shantanu Nandi Jeffrey H. Nelson Arthur S. Neubauer Michael S. Newman Lorraine K. Padden Neal K. Parker William G. Petersen Michal A. Roberts Stephen J. Sandberg Bartien Sayogo Devki N. Sharma Michael J. Sm

25、alley Jerry W. Smith Nagu N. Srinivas James R. Tomaseski Edward E. Walcott Thomas M. Wandeloski John N. Ware Jr. Tiebin Zhao Donald W. Zipse Ahmed Zobaa When the IEEE-SA Standards Board approved this guide on 27 September 2007, it had the following membership: Steve M. Mills, Chair Robert M. Grow, V

26、ice Chair Don Wright, Past Chair Judith Gorman, Secretary Richard DeBlasio Alex Gelman William R. Goldbach Arnold M. Greenspan Joanna N. Guenin Kenneth S. Hanus William B. Hopf Richard H. Hulett Hermann Koch Joseph L. Koepfinger* John Kulick David J. Law Glenn Parsons Ronald C. Petersen Tom A. Prevo

27、st Narayanan Ramachandran Greg Ratta Robby Robson Anne-Marie Sahazizian Virginia C. Sulzberger Malcolm V. Thaden Richard L. Townsend Howard L. Wolfman *Member Emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Satish K. Aggarwal, NRC Representative Michael H. Kelley

28、, NIST Representative Michelle D. Turner IEEE Standards Program Manager, Document Development Matthew J. Ceglia IEEE Standards Program Manager, Technical Program Development vii Copyright 2008 IEEE. All rights reserved. Contents 1. Overview 1 1.1 Scope . 1 1.2 Purpose 1 1.3 General historical perspe

29、ctive 1 2. Acronyms and abbreviations 2 3. Jacket characteristics 3 3.1 Physical properties. 3 3.2 Chemical and moisture resistance 3 3.3 Thermal stability 3 3.4 Electrical characteristics of non-conducting jackets 4 3.5 Electrical conductivity of semi-conducting jacket. 4 3.6 Flame retardance 4 4.

30、Corrosion protection. 4 4.1 Corrosion protection of semi-conducting jackets on underground distribution concentric neutral cables. 5 5. Protective jackets 5 5.1 Jacket design configurations for shielded power cable 5 5.2 Jacket design configurations for low-voltage power, control, and instrumentatio

31、n cables 6 5.3 Non-conducting protective jackets 7 5.4 Semi-conducting protective jackets. 7 5.5 Jackets on cables operating at cable emergency temperature rating 8 6. Electrical characteristics of jackets. 8 6.1 Sources of electrical stress imposed on jackets . 8 7. Discussion on the selection and

32、testing of jackets 11 7.1 General 11 7.2 Jackets for metallic sheathed cable 11 7.3 Jackets for cables without metallic sheaths . 12 7.4 Testing of jackets. 12 7.5 Jacket shrinkback. 13 7.6 Jacket thicknesses 14 7.7 Special requirements 14 viii Copyright 2008 IEEE. All rights reserved. 8. Properties

33、 of commonly used jackets . 16 8.1 Summary of physical properties of commonly used jacket materials 16 8.2 Characteristics of polymeric jacket materials 18 8.3 Neoprene 18 8.4 Polyvinyl chloride 19 8.5 Polyethylene 20 8.6 Chlorinated polyethylene. 21 8.7 Chlorosulfonated polyethylene 22 8.8 Nitrile

34、butadiene rubber/polyvinyl chloride. 23 8.9 Ethylene propylene rubber. 23 8.10 Polypropylene 23 8.11 Polyamide 6 . 24 8.12 Fluoropolymer . 24 8.13 Thermoplastic elastomer 25 8.14 Low-smoke/flame-retardant jacketing. 25 8.15 Identifiable jackets. 26 Annex A (informative) Bibliography . 27 1 Copyright

35、 2008 IEEE. All rights reserved. IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables 1. Overview This guide provides recommendations for the properties, characteristics, design, and testing of various types of extruded cable jackets. It is the intent of this g

36、uide to ensure that jacket materials are suitably specified for their intended applications. Also, jackets should provide a level of electrical, thermal, mechanical, and chemical durability to ensure that cable performance is reliable under normal use, and to reduce danger to the user or surrounding

37、s. 1.1 Scope This guide covers the selection and testing of jackets and other protective coverings for power, instrumentation, and control cables. It is written for those individuals responsible for optimizing cable designs. The purpose is to present a reasonably complete picture of the role of jack

38、ets so that the subject can be approached in an orderly and organized manner. An effort has been made to avoid the highly technical language and theory commonly used by electrical engineers and chemists to discuss the more detailed application of jackets. 1.2 Purpose The purpose of this guide is to

39、provide cable users guidance in the selection of jackets and protective covers to optimize cable design. A secondary purpose is to present a reasonably complete picture of the types and functions of jackets so that the user can approach the subject in an orderly and logical manner. 1.3 General histo

40、rical perspective Various compounded-textile sandwich-type coatings were the predominant jackets used up to and into the 1950s. Experience has indicated that the electrical resistivity required to isolate effectively the metallic sheath or shield, or both, from their environment could not be satisfi

41、ed by these jackets. In many situations, the dielectric integrity of the jacket is more important than the resistivity. IEEE Std 532-2007 IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables 2 Copyright 2008 IEEE. All rights reserved. Factors that influenced im

42、provement of jackets for cable sheaths/shields include: a) Consideration of the destructive effects of galvanic and electrolytic corrosion. b) The use of amphoteric metals (lead or aluminum) for cable sheaths, which are difficult to protect cathodically. c) The use of metals (tinned copper, brass, o

43、r steel) to reinforce lead sheaths requiring a jacket that would reliably protect the pressure-retaining metallic components from deterioration when placed in earth or ducts. d) The introduction of aluminum-sheathed cables requiring a protective jacket of good mechanical and dielectric properties. e

44、) The use of single-conductor cable systems that, by their nature, involve induced voltages on the sheath/shield (see Eaton and Issa B61and Kellam B9). It is desirable that the sheath/shield be isolated from its environment. f) Practices to reduce electrical losses by minimizing circulating sheath/s

45、hield currents result in the appearance of voltages on the sheath/shield (see Halperin et al. B7, Halperin and Miller B8, and Watson and Erven B11); under transient conditions, these voltages may be substantial. 2. Acronyms and abbreviations The following abbreviations are used in this guide: CPE ch

46、lorinated polyethylene CPE-TP thermoplastic chlorinated polyethylene CPE-XL cross-linked chlorinated polyethylene CSPE chlorosulfonated polyethylene DRTP deformation-resistant thermoplastic EBA ethylene butyl acrylate polyethylene copolymer ECTFE ethylene chlorotrifluoroethylene EEA ethylene ethyl a

47、crylate polyethylene copolymer EPDM ethylene propylene diene monomer EPR ethylene propylene rubber EVA ethylene vinyl acetate polyethylene copolymer FEP fluorinated ethylene propylene HDPE high-density polyethylene IRM oils industry reference material LDPE low-density polyethylene LLDPE linear low-d

48、ensity polyethylene LSHF-FR low-smoke/halogen-free flame retardant LSZH low-smoke zero halogen MDPE medium-density polyethylene NBR nitrile butadiene rubber PE polyethylene PE-TP thermoplastic polyethylene PP polypropylene PVC polyvinyl chloride PVDF polyvinylidene fluoride TPE thermoplastic elastom

49、er UD-CN underground distribution concentric neutral URD underground residential distribution VLDPE very low-density polyethylene XLPE cross-linked polyethylene 1The numbers in brackets correspond to those of the bibliography in Annex A. IEEE Std 532-2007 IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables 3 Copyright 2008 IEEE. All rights reserved. 3. Jacket characteristics Jackets furnish protection for cables during installation and service in several properties that are highlighted in 3.1 through 3.6.