EN 50655-2-2017 en Electric cables - Accessories - Material characterization - Part 2 Fingerprinting for heat shrinkable components for low and medium voltage applications up to 20.pdf

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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Electric cables - Accessories - Material characterizationPart 2: Fingerprinting for heat shrinkable components for low and medium voltage applications up to 20,8/36 (42) kVBS EN 50655-2:2017EUROPEAN STANDARD NORME EUROP

2、ENNE EUROPISCHE NORMEN 50655-2 November 2017ICS 29.035.20 Supersedes HD 631.2 S1:2007, HD 631.3 S1:2008English VersionElectric cables - Accessories - Material characterization - Part 2:Fingerprinting for heat shrinkable components for low andmedium voltage applications up to 20,8/36 (42) kVCbles lec

3、triques - Accessoires - Caractrisation des matriaux - Partie 2: Essais didentification des composantsthermortractables pour les applications basse tension etmoyenne tension 20,8/36 (42) kVKabel und isolierte Leitungen - Garnituren - Materialcharakterisierung - Teil 2: Fingerprintprfungen fr wrmeschr

4、umpfende Komponenten fr Niederspannungs-und Mittelspannungsanwendungen bis 20,8/36 (42) kVThis European Standard was approved by CENELEC on 2017-09-18. CENELEC members are bound to comply with the CEN/CENELECInternal Regulations which stipulate the conditions for giving this European Standard the st

5、atus 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

6、, German). 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 thesame status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Bel

7、gium, 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, Serbia, Slovakia, Slovenia, Spain

8、, Sweden,Switzerland, Turkey and the United Kingdom.European Committee for Electrotechnical StandardizationComit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of explo

9、itation in any form and by any means reserved worldwide for CENELEC Members.Ref. No. EN 50655-2:2017 ENational forewordThis British Standard is the UK implementation of EN 506552:2017. It supersedes BS 79333:2008 and BS 79332:2007, which are withdrawn.The UK participation in its preparation was entr

10、usted to Technical Committee GEL/20/11, Electric Cable accessories.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct applicat

11、ion. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 90620 6ICS 29.035.20; 29.060.20Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strate

12、gy Committee on 31 December 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 506552:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 50655-2 November 2017 ICS 29.035.20 Supersedes HD 631.2 S1:2007, HD 631.3 S1:2008English Version Electric cables - Ac

13、cessories - Material characterization - Part 2: Fingerprinting for heat shrinkable components for low and medium voltage applications up to 20,8/36 (42) kV Cbles lectriques - Accessoires - Caractrisation des matriaux - Partie 2: Essais didentification des composants thermortractables pour les applic

14、ations basse tension et moyenne tension 20,8/36 (42) kV Kabel und isolierte Leitungen - Garnituren - Materialcharakterisierung - Teil 2: Fingerprintprfungen fr wrmeschrumpfende Komponenten fr Niederspannungs- und Mittelspannungsanwendungen bis 20,8/36 (42) kV This European Standard was approved by C

15、ENELEC on 2017-09-18. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand

16、ards 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, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own languag

17、e 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, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,

18、 Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen d

19、e Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 50655-2:2017 EBS EN 506552:2017E

20、N 50655-2:2017 2 Contents Page European foreword 3 1 Scope . 4 2 Normative references . 4 3 Terms and definitions . 4 4 Fingerprinting 6 4.1 General . 6 4.2 Sampling 6 4.3 Preparation and conditioning 6 4.4 Tests . 6 4.5 Test report . 6 Annex A (informative) Health and safety 9 Bibliography . 10 Tab

21、le Table 1 Fingerprinting tests Test methods and requirements . 7 BS EN 506552:2017EN 50655-2:2017 3 European foreword This document (EN 50655-2:2017) has been prepared by CLC/TC 20 “Electric cables”. The following dates are fixed: latest date by which this document has to be implemented at national

22、 level by publication of an identical national standard or by endorsement (dop) 2018-09-18 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2020-09-18 This document supersedes HD 631.2 S1:2007 and HD 631.3 S1:2008. Attention is drawn to the possib

23、ility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. EN 50655 series will consist of the following: EN 50655-1, Electric cables - Accessories - Material characterization - Part 1: Fi

24、ngerprinting for resinous compounds; EN 50655-2, Electric cables - Accessories - Material characterization - Part 2: Fingerprinting for heat shrinkable components for low and medium voltage applications up to 20,8/36 (42) kV; EN 50655-3, Electric cables - Accessories - Material characterization - Pa

25、rt 3: Fingerprinting for cold shrinkable components for low and medium voltage applications up to 20,8/36 (42) kV. NOTE It has been assumed in the preparation of this document that the execution of its provisions will be entrusted to appropriately qualified and experienced people, for whose use it h

26、as been produced. WARNING This European Standard calls for the use of substances and/or procedures that may be injurious to health if adequate precautions are not taken. It refers only to technical suitability and does not absolve the user from legal obligations relating to health and safety at any

27、stage. BS EN 506552:2017EN 50655-2:2017 4 1 Scope This European Standard specifies the methods and requirements for fingerprinting (as defined in 3.13) of heat shrinkable components intended to be used for electrical insulation and/or electrical insulation and mechanical protection in cable accessor

28、ies for low and medium voltage, as defined in EN 50393, HD 629.1 and HD 629.2. Fingerprinting of materials does not have a mandatory link to type testing of accessories. It is regarded as a stand-alone test, but it may be carried out in combination with accessory type tests. 2 Normative references T

29、he 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, the latest edition of the referenced document (including any amendments) applies. EN 50393

30、, Test methods and requirements for accessories for use on distribution cables of rated voltage 0,6/1,0 (1,2) kV EN 60684-2, Flexible insulating sleeving - Part 2: Methods of test (IEC 60684-2) EN ISO 1183 (series), Plastics - Methods for determining the density of non-cellular plastics (ISO 1183 se

31、ries) EN ISO 11357-3, Plastics - Differential scanning calorimetry (DSC) - Part 3: Determination of temperature and enthalpy of melting and crystallization (ISO 11357-3) EN ISO 11358-1, Plastics - Thermogravimetry (TG) of polymers - Part 1: General principles (ISO 11358-1) HD 629.1, Test requirement

32、s on accessories for use on power cables of rated voltage from 3,6/6(7,2) kV up to 20,8/36(42) kV - Part 1: Cables with extruded insulation HD 629.2, Test requirements on accessories for use on power cables of rated voltage from 3,6/6(7,2) kV up to 20,8/36(42) kV - Part 2: Cables with impregnated pa

33、per insulation IEC 60050-461, International Electrotechnical Vocabulary - Part 461: Electric cables 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-461 and the following apply. 3.1 heat shrinkable property of a polymeric component previously ex

34、panded to recover to its original shape when heated above an appropriate temperature 3.2 heat-shrinkable components expanded polymeric extruded tubing or molded parts (single or multi-layer), which undergo thermally activated recovery when heated above an appropriate temperature 3.3 tubing tube of h

35、eat shrink polymeric material cut to a predetermined length 3.4 wraparound sleeve flat sheet of heat shrink polymeric material, which can be wrapped to form tubing BS EN 506552:2017EN 50655-2:2017 5 3.5 molded part formed piece of heat shrink polymeric material shaped to fit a specific configuration

36、 3.6 sealant/sealant component component which, when used in conjunction with heat shrink components, forms a barrier along interfaces and that can be in the form of mastic, putty, grease or adhesive Note 1 to entry: The sealant (for example hot melt adhesive or mastic) may be pre-coated on the heat

37、 shrink components or applied separately. 3.7 multi-layer component component that consists of minimum two different materials bonded together 3.8 conductive component component whose material has a defined electrical conductivity 3.9 stress control or stress grading component component whose materi

38、al has defined electrical characteristics to control electrical field 3.10 insulating component component whose material has defined electrical characteristics to withstand electrical stress 3.11 oil barrier component component whose material has defined material characteristics to prevent migration

39、 of cable impregnation compound 3.12 anti-tracking component component whose material has defined material characteristics to resist formation of conductive paths by surface electrical activity 3.13 fingerprinting tests made to establish and subsequently confirm the properties of materials or compon

40、ents used in cable accessories 3.14 deviation variation of a property between the original values and values measured on new samples at a later date 3.15 initial test tests made to establish the properties of materials or components used in cable accessories BS EN 506552:2017EN 50655-2:2017 6 4 Fing

41、erprinting 4.1 General Tests shall be carried out on heat shrinkable components as defined in Table 1. 4.2 Sampling Samples for fingerprinting shall be taken from material stored under conditions prescribed by the supplier. The fingerprinting test of heat shrinkable components shall be carried out a

42、) either as a stand-alone test. Samples used for the initial test shall be taken from material available with or without sealant as agreed between supplier and user, b) or in combination with an accessory type test. Samples used for the initial tests shall be taken from the same batch as those used

43、in the accessory type test with or without sealant as agreed between supplier and user. In the event that no material from the same batch is available, the samples used for the initial tests shall be taken from material available as agreed between supplier and user. 4.3 Preparation and conditioning

44、After full recovery in an air-circulating oven at temperature and time as specified by the supplier, original components shall be individually prepared and conditioned in accordance with relevant test methods. For multi-layer components, the material samples shall be taken from individual layers. 4.

45、4 Tests Components shall be tested in accordance with the test methods specified in Table 1. 4.5 Test report The test report shall include the following data: 1) part number or identification; 2) name of supplier / manufacturer; 3) batch number and/or manufacturing date; 4) tests method and results;

46、 5) major test parameters, including preparation, conditioning and calibration. These shall be in sufficient detail to enable the test to be exactly reproduced at a later date; 6) copy of technical data sheet (TDS) and material safety data sheet (MSDS). BS EN 506552:2017EN 50655-2:2017 7 Table 1 Fin

47、gerprinting tests Test methods and requirements Material property Test method Unit Requirements Deviation Comments Dimensions after full recovery aEN 606842 - Inner diameter mm 10 % - Wall thickness 1 mm 1 mm mm mm 15 % 10 % Density EN ISO 1183 series g/cm35 % Measured without sealant and for multi-

48、layer each individual layer shall be measured Differential scanning calorimetry (DSC) bEN ISO 11357-3 - Characteristic transition temperature C 5 K Measured without sealant and for multi-layer each individual layer shall be measured Characteristic transition temperatures are peak melting temperature

49、s (Tpm) or peak crystallization temperatures (Tpc). BS EN 506552:2017EN 50655-2:2017 8 Material property Test method Unit Requirements Deviation Comments Thermal gravimetry analysis (TGA) cEN ISO 11358-1 Measured without sealant and for multi-layer each individual layer shall be measured Polymer - Weight loss - Mean temperature % C 10 % 15 K Carbon black - Weight loss - Mean temperature % C 10 % 15 K Filler - Weight loss - Mean temperature % C 10 % 15 K Sealant - Weight loss - Mean temperature %