EN 60684-3-285-2014 en Flexible insulating sleeving - Part 3 Specifications for individual types of sleeving - Sheet 285 Heat-shrinkable polyolefin sleeving for medium voltage join.pdf

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1、BSI Standards PublicationFlexible insulating sleevingPart 3: Specifications for individual types of sleeving Sheet 285: Heat-shrinkable polyolefin sleeving, for medium voltage joint insulationBS EN 60684-3-285:2014National forewordThis British Standard is the UK implementation of EN 60684-3-285:2014

2、. Itis identical to IEC 60684-3-285:2014.The UK participation in its preparation was entrusted by TechnicalCommittee GEL/15, Solid electrical insulating materials, to SubcommitteeGEL/15/5, Flexible insulating sleeving for electrical purposes.A list of organizations represented on this committee can

3、be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 79800 9ICS 29.035.20Complianc

4、e with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 December 2014.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60684-3-285:2014EUROP

5、EAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60684-3-285 December 2014 ICS 29.035.20 English Version Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 285: Heat-shrinkable polyolefin sleeving, for medium voltage joint insulation (IEC 60684-3-285:2014)

6、Gaines isolantes souples - Partie 3: spcifications pour types particuliers de gaines - Feuille 285: gaines thermortractables, en polyolfine pour isolation de joint en moyenne tension (CEI 60684-3-285:2014) Isolierschluche - Teil 3: Anforderungen fr einzelne Schlauchtypen - Blatt 285: Wrmeschrumpfend

7、e Polyolefinschluche fr den Einsatz in Mittelspannungsmuffen (IEC 60684-3-285:2014) This European Standard was approved by CENELEC on 2014-11-21. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status

8、of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, G

9、erman). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belg

10、ium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

11、, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC All rights of exploitat

12、ion in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60684-3-285:2014 E BS EN 60684-3-285:2014EN 60684-3-285:2014 - 2 - Foreword The text of document 15/694/CDV, future edition 1 of IEC 60684-3-285, prepared by IEC/TC 15 “Solid electrical insulating materials“ was sub

13、mitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60684-3-285:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-08-21 latest date by which th

14、e national standards conflicting with the document have to be withdrawn (dow) 2017-11-21 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent right

15、s. Endorsement notice The text of the International Standard IEC 60684-3-285:2014 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated : IEC 60684-3 (all sheets) NOTE Harmoniz

16、ed as EN 60684-3 (all sheets) (not modified). BS EN 60684-3-285:2014- 3 - EN 60684-3-285:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this docume

17、nt and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated

18、by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year IEC 60684-1 2003 Flexible insulating sleeving - Part 1: Definitions and general requirements E

19、N 60684-1 2003 IEC 60684-2 2011 Flexible insulating sleeving - Part 2: Methods of test EN 60684-2 2011 IEC 60757 1983 Code for designation of colours HD 457 S1 1985 BS EN 60684-3-285:2014 2 IEC 60684-3-285:2014 IEC 2014 CONTENTS INTRODUCTION . 5 1 Scope 6 2 Normative references 6 3 Designation . 6 4

20、 Conditions of test 7 5 Requirements 7 6 Sleeving conformance . 7 Bibliography 10 Table 1 Property requirements . 8 Table 2 Requirements for breakdown voltage. 9 BS EN 60684-3-285:2014IEC 60684-3-285:2014 IEC 2014 5 INTRODUCTION This International Standard is one of a series which deals with flexibl

21、e insulating sleeving for electrical purposes. The series consists of three parts: Part 1: Definitions and general requirements (IEC 60684-1) Part 2: Methods of test (IEC 60684-2) Part 3: Specifications for individual types of sleeving (IEC 60684-3) This standard gives one of the sheets comprising P

22、art 3, as follows: Sheet 285: Heat-shrinkable polyolefin sleeving, for medium voltage joint insulation. BS EN 60684-3-285:2014 6 IEC 60684-3-285:2014 IEC 2014 FLEXIBLE INSULATING SLEEVING Part 3: Specifications for individual types of sleeving Sheet 285: Heat-shrinkable polyolefin sleeving, for medi

23、um voltage joint insulation 1 Scope This part of IEC 60684 gives the requirements for heat-shrinkable sleeving for medium voltage joint insulation, with a range of shrink ratios. This sleeving has been found suitable up to temperatures of 100 C. These sleevings are normally supplied in colour, red o

24、r brown. Since this type of sleevings covers a significantly large range of sizes and wall thicknesses, the actual size will be agreed between the purchaser and supplier. Materials which conform to this standard meet established levels of performance. However, the selection of a material by a user f

25、or a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this standard alone. This sleeving is designed to be used in medium voltage cable accessories and as such electrical performance will be proven as part of the

26、assembly. Examples of this are described in HD 629 and IEC 60502. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references,

27、the latest edition of the referenced document (including any amendments) applies. IEC 60684-1:2003, Flexible insulating sleeving Part 1: Definitions and general requirements IEC 60684-2:2011, Flexible insulating sleeving Part 2: Methods of test IEC 60757:1983, Code for designation of colours 3 Desig

28、nation The sleeving shall be identified by the following designation: Description IEC publication number IEC part number IEC sheet number Size (Expanded and recovered internal diameter in mm) Colour Sleeving IEC 60684 - 3 - 285 - 75,0/30,0 - RD Any colour abbreviation shall comply with IEC 60757, wh

29、ere applicable. Non-standard colours shall be written out in full. BS EN 60684-3-285:2014IEC 60684-3-285:2014 IEC 2014 7 NOTE This information is for packaging labelling only in accordance with IEC 60684-1. 4 Conditions of test Unless otherwise specified, the sleeving shall be shrunk in a forced air

30、 circulation oven for (20 1) min at 200 C 3 K prior to testing. 5 Requirements In addition to the general requirements given in IEC 60684-1, the sleeving shall comply with the requirements of Tables 1 and 2. 6 Sleeving conformance Conformance to the requirements of this standard shall normally be ba

31、sed on the results from typical sizes. Recovered ID 25 mm 30 mm BS EN 60684-3-285:2014 8 IEC 60684-3-285:2014 IEC 2014 Table 1 Property requirements Property IEC 60684-2:2011 Clause or Subclause Units Max. or Min. Requirements Remarks Dimensions Internal diameter Wall thickness Concentricity expande

32、d recovered 3 3.1.2 3.3.2 3.3.3 mm mm % Min. Min. To be agreed between purchaser and supplier 60 85 Heat shock Tensile strength Elongation at break 6 19.1 and 19.2 19.1 and 19.2 MPa % Min. Min. 5 200 Heat at 200 C 5 K Longitudinal change 9 % Max. 10 + 5 Heat expanded sleeving at 200 C 3 K for (20 1

33、) min Bending at low temperature 14 No cracking shall be visible Test at -20 C For strips, the mandrel shall be between 20 and 22 times the wall thickness. Full section sleeving is tested unfilled and the mandrel shall be between 20 and 22 times the outer diameter. Dimensional stability on storage 1

34、6 The dimensions shall remain as agreed. See Clause 1 (Scope) Tensile strength Elongation at break 19.1 and 19.2 19.1 and 19.2 MPa % Min. Min. 8 400 Rate of jaw separation shall be 100 mm/min. Secant modulus at 2 % elongation 19.5 MPa Max. 175 Breakdown voltage 21 kV Min. See Table 2. Volume resisti

35、vity at room temperature 23 23.5.2 . m Min. 1012Heat ageing Tensile strength Elongation at break 39 19.1 and 19.2 19.1 and 19.2 MPa % Min. Min. 5 200 Heat at 135 C 3 K BS EN 60684-3-285:2014IEC 60684-3-285:2014 IEC 2014 9 Table 2 Requirements for breakdown voltage Expanded wall thickness (mm) Electr

36、ic strength aMin. All dimensions Expanded wall thickness/mm Type B Electric strength kV/mm 1,5 8 a Measure the expanded wall thickness and calculate the electric strength by dividing the breakdown voltage by this value. The breakdown voltage shall be determined by the method described in 21.4 of IEC

37、 60684-2:2011. The central value shall comply with the minimum value in the above Table 2. The sleeving shall be tested in the expanded condition. The rate of application of the voltage shall be 500 V/s. Care should be taken on selection of sizes based on these values. Refer to the manufacturer for

38、actual values on installed conditions. BS EN 60684-3-285:2014 10 IEC 60684-3-285:2014 IEC 2014 Bibliography IEC 60502 (all parts), Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV) IEC 60684-3 (all sheets), Flexible insula

39、ting sleeving Part 3: Specifications for individual types of sleeving HD 629, Test requirements on accessories for use on power cables of rated voltages from3,6/6(7,2) kV up to 20,8/36 (42) kV Part 1: Cables with extruded insulation _ BS EN 60684-3-285:2014This page deliberately left blankBSI is the

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