EN 61858-1-2014 en Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1 Wire-wound winding EIS.pdf

1、BSI Standards PublicationElectrical insulation systems Thermal evaluation of modifications to an established electrical insulation system (EIS)Part 1: Wire-wound winding EISBS EN 61858-1:2014National forewordThis British Standard is the UK implementation of EN 61858-1:2014. It isidentical to IEC 618

2、58-1:2014. It supersedes BS EN 61858:2008 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/112, Evaluation and qualification of electrical insulatingmaterials and systems.A list of organizations represented on this committee can be obtained onrequest

3、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 81149 4ICS 29.080.30Compliance with a British Stand

4、ard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2014.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61858-1:2014EUROPEAN STANDARD NORME EUROPENNE EU

5、ROPISCHE NORM EN 61858-1 May 2014 ICS 29.080.30 Supersedes EN 61858:2008 English Version Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1: Wire-wound winding EIS (IEC 61858-1:2014) Systmes disolation lectrique - valuati

6、on thermique des modifications apportes un systme disolation lectrique (SIE) prouv - Partie 1: Systme disolation lectrique enroulements fils (CEI 61858-1:2014) Elektrische Isoliersysteme - Thermische Bewertung von Vernderungen an einem erprobten elektrischen Isoliersystem (EIS) - Teil 1: EIS mit Run

7、ddraht-Wicklungen (IEC 61858-1:2014) This European Standard was approved by CENELEC on 2014-03-19. 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.

8、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, German). A version in any other language made by

9、 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, Belgium, Bulgaria, Croatia, Cyprus, the Czech Repub

10、lic, 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, Switzerland, Turkey and the United Kingdom. E

11、uropean 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 exploitation in any form and by any means reserved world

12、wide for CENELEC Members. Ref. No. EN 61858-1:2014 E BS EN 61858-1:2014EN 61858-1:2014 - 2 - Foreword The text of document 112/252/CDV, future edition 1 of IEC 61858-1, prepared by IEC/TC 112 “Evaluation and qualification of electrical insulating materials and systems“ was submitted to the IEC-CENEL

13、EC parallel vote and approved by CENELEC as EN 61858-1:2014. 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) 2014-12-19 latest date by which the national standards confli

14、cting with the document have to be withdrawn (dow) 2017-03-19 This document supersedes EN 61858:2008. EN 61858-1:2014 includes the following significant technical changes with respect to EN 61858:2008: a) this part is specifically for wire-wound winding EIS; b) new figures and charts support the con

15、tents. 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 rights. Endorsement notice The text of the International Standard IEC 61858-1:2014 was

16、approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60034-18-21 NOTE Harmonized as EN 60034-18-21. IEC 60317-15 NOTE Harmonized as EN 60317-15. BS EN 61858-1:2014- 3 - EN

17、 61858-1:2014 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 document and are indispensable for its application. For dated references, only the edi

18、tion 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 by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the lates

19、t versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year IEC 60085 2007 Electrical insulation - Thermal evaluation and designation EN 60085 - IEC 60172 - Test procedure for the determination of the temperature index of enamelled wi

20、nding wires EN 60172 - IEC 60216-5 - Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative thermal endurance index (RTE) of an insulating material EN 60216-5 - IEC 60317-1 - Specifications for particular types of winding wires - Part 1: Polyvinyl acetal e

21、namelled round copper wire, class 105 - - IEC 60317-2 - Specifications for particular types of winding wires - Part 2: Solderable polyurethane enamelled round copper wire, class 130, with a bonding layer EN 60317-2 - IEC 60317-3 - Specifications for particular types of winding wires - Part 3: Polyes

22、ter enamelled round copper wire, class 155 - - IEC 60317-4 - Specifications for particular types of winding wires - Part 4: Solderable polyurethane enamelled round copper wire, class 130 EN 60317-4 - IEC 60317-8 - Specifications for particular types of winding wires - Part 8: Polyesterimide enamelle

23、d round copper wire, class 180 EN 60317-8 - IEC 60317-12 - Specifications for particular types of winding wires - Part 12: Polyvinyl acetal enamelled round copper wire, class 120 EN 60317-12 - BS EN 61858-1:2014EN 61858-1:2014 - 4 - Publication Year Title EN/HD Year IEC 60317-13 - Specifications for

24、 particular types of winding wires - Part 13: Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire, class 200 EN 60317-13 - IEC 60317-19 1)- Specifications for particular types of winding wires - Part 19: Solderable polyurethane enamelled round copper wire overcoat

25、ed with polyamide, class 130 EN 60317-19 - IEC 60317-20 - Specifications for particular types of winding wires - Part 20: Solderable polyurethane enamelled round copper wire, class 155 EN 60317-20 - IEC 60317-21 - Specifications for particular types of winding wires - Part 21: Solderable polyurethan

26、e enamelled round copper wire overcoated with polyamide, class 155 EN 60317-21 - IEC 60317-22 - Specifications for particular types of winding wires - Part 22 : Polyester or polyesterimide enamelled round copper wire overcoated with polyamide, class 180 EN 60317-22 - IEC 60317-23 - Specifications fo

27、r particular types of winding wires - Part 23: Solderable polyesterimide enamelled round copper wire, class 180 EN 60317-23 - IEC 60317-25 - Specifications for particular types of winding wires - Part 25: Polyester or polyesterimide overcoated with polyamide-imide enamelled round aluminium wire, cla

28、ss 200 EN 60317-25 - IEC 60317-26 - Specifications for particular types of winding wires - Part 26: Polyamide-imide enamelled round copper wire, class 200 EN 60317-26 - IEC 60317-34 1)- Specifications for particular types of winding wires - Part 34: Polyester enamelled round copper wire, class 130 L

29、 EN 60317-34 1)- IEC 60317-35 - Specifications for particular types of winding wires - Part 35: Solderable polyurethane enamelled round copper wire, class 155, with a bonding layer EN 60317-35 - IEC 60317-36 - Specifications for particular types of winding wires - Part 36: Solderable polyesterimide

30、enamelled round copper wire, class 180, with a bonding layer EN 60317-36 - 1)Withdrawn publication. BS EN 61858-1:2014- 5 - EN 61858-1:2014 Publication Year Title EN/HD Year IEC 60317-37 - Specifications for particular types of winding wires - Part 37: Polyesterimide enamelled round copper wire, cla

31、ss 180, with a bonding layer EN 60317-37 - IEC 60317-38 - Specifications for particular types of winding wires - Part 38: Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire, class 200, with a bonding layer EN 60317-38 - IEC 60317-42 - Specifications for particula

32、r types of winding wires - Part 42: Polyester-amide-imide enamelled round copper wire, class 200 EN 60317-42 - IEC 60317-43 - Specifications for particular types of winding wires - Part 43: Aromatic polyimide tape wrapped round copper wire, class 240 EN 60317-43 - IEC 60317-46 - Specifications for p

33、articular types of winding wires - Part 46: Aromatic polyimide enamelled round copper wire, class 240 EN 60317-46 - IEC 60317-48 - Specifications for particular types of winding wires - Part 48: Glass-fibre wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 15

34、5 EN 60317-48 - IEC 60317-50 - Specifications for particular types of winding wires - Part 50: Glass-fibre wound silicone resin or varnish impregnated, bare or enamelled round copper wire, temperature index 200 EN 60317-50 - IEC 60317-51 - Specifications for particular types of winding wires - Part

35、51: Solderable polyurethane enamelled round copper wire, class 180 EN 60317-51 - IEC 60317-53 - Specifications for particular types of winding wires - Part 53: Aromatic polyamide (aramid) tape wrapped rectangular copper wire, temperature index 220 EN 60317-53 - IEC 60317-54 1)- Specifications for pa

36、rticular types of winding wires - Part 54: Polyester enamelled round copper wire, class 155L - - IEC 60317-55 - Specifications for particular types of winding wires - Part 55: Solderable polyurethane enamelled round copper wire overcoated with polyamide, Class 180 EN 60317-55 - 1)Withdrawn publicati

37、on. BS EN 61858-1:2014EN 61858-1:2014 - 6 - Publication Year Title EN/HD Year IEC 60317-57 - Specifications for particular types of winding wires - Part 57: Polyamide-imide enamelled round copper wire, class 220 EN 60317-57 - IEC 60505 - Evaluation and qualification of electrical insulation systems

38、EN 60505 - IEC 61033 - Test methods for the determination of bond strength of impregnating agents to an enamelled wire substrate EN 61033 - IEC 61857 Series Electrical insulation systems - Procedures for thermal evaluation EN 61857 Series IEC 61857-1 2008 Electrical insulation systems - Procedures f

39、or thermal evaluation - Part 1: General requirements - Low-voltage EN 61857-1 2009 IEC 61857-21 - Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications EN 61857-21 - IEC 62317-2 - Ferrite cores - Dimens

40、ions - Part 2: Pot-cores for use in telecommunications, power supply, and filter applications EN 62317-2 - BS EN 61858-1:2014 2 61858-1 IEC:2014 CONTENTS INTRODUCTION . 6 1 Scope 7 2 Normative references 7 3 Terms and definitions 9 4 General considerations 11 5 Substitution of phase or ground insula

41、tion . 13 5.1 Generically identical . 13 5.2 Substitution or addition of selected components and additives 13 6 Substitution of winding wire . 14 6.1 Non bondable winding wire . 14 6.2 Bondable winding wire 15 6.3 Substitution of conductor material . 16 7 Substitution of impregnating resin/varnish .

42、 17 7.1 Thermal class determination . 17 7.2 Evaluation . 18 7.2.1 Thermal classes equal or better . 18 7.2.2 One thermal class lower 18 7.2.3 Other criteria . 18 8 Substitution with other EIM 18 8.1 Technically equivalent materials . 18 8.2 Previous evaluation 18 8.3 Other 18 9 Evaluation of additi

43、ons 19 9.1 Addition of an impregnating resin/varnish 19 9.2 Addition of other components 19 10 Chemical compatibility of a combination of materials . 20 10.1 General . 20 10.2 Construction . 20 10.2.1 Test apparatus 20 10.2.2 Material specimens 20 10.2.3 Contents of tube 20 10.3 Test procedure 21 10

44、.3.1 Preparation of tubes 21 10.3.2 Thermal conditioning . 21 10.3.3 Opening procedure 21 10.3.4 Evaluation of samples . 22 11 Single-point thermal ageing test (procedure C) 22 11.1 Test objects 22 11.2 Establishing the EIS relative thermal endurance index (EIS RTE) . 22 11.3 Interpretation of resul

45、ts . 23 12 Full thermal aging test (procedure D) . 23 Annex A (normative) Classes of winding wire . 24 Annex B (informative) Visual representations of coils . 26 B.1 Form wound coils 26 BS EN 61858-1:201461858-1 IEC:2014 3 B.2 Precision-wound coil . 27 B.3 Random-wound coil 28 Bibliography 30 Figure

46、 1 Overview of evaluation methods . 12 Figure 2 Substitution of phase and ground insulation . 13 Figure 3 Substitution of non-bondable winding wire 14 Figure 4 Substitution of bondable winding wire 15 Figure 5 Substitution of conductor material 16 Figure 6 Substitution of impregnating resin/varnish

47、17 Figure 7 Additions of resins/varnishes and other components used in combination with the EIMs evaluated in the EIS 19 Figure B.1 Form-wound coil comparison 26 Figure B.2 Form-wound coil comparison Close-up 26 Figure B.3 Form-wound coil comparison Different angle 27 Figure B.4 Form-wound coil deta

48、il 27 Figure B.5 Examples of precision-wound coils . 28 Figure B.6 Example of precision-wound coil Close-up . 28 Figure B.7 Example of random-wound coil . 29 Figure B.8 Example of random-wound coil Close-up . 29 Table 1 Thermal ageing test methods for resin/varnishes . 18 Table A.1 Winding wire type

49、s Round copper or aluminum conductor . 24 BS EN 61858-1:2014 6 61858-1 IEC:2014 INTRODUCTION This International Standard describes procedures for the evaluation of changes to an established electrical insulation system (EIS) for wire-wound electro technical devices and the effect of these changes on the thermal classification of the established EIS. This Part 1 of IEC 61858 is for wire-wound winding EIS. Part 2 of IEC 61858 addresses modifications of form-wound winding EIS. General pri