EN 60464-3-2-2001 en Varnishes Used for Electrical Insulation Part 3 Specifications for Individual Materials Sheet 2 Hot Curing Impregnating Varnishes (Incorporates Amendment A1 20.pdf

1、BRITISH STANDARDBS EN60464-3-2:2002IEC60464-3-2:2001Incorporating Amendment No. 1Varnishes used for electrical insulation Part 3: Specifications for individual materials Sheet 2: Hot curing impregnating varnishesThe European Standard EN 60464-3-2:2001, with the incorporation of amendment A1:2006, ha

2、s the status of a British StandardICS 29.035.01g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 60464-3-2:2002This British Standard, having bee

3、n prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 28 January 2002 BSI 2006ISBN 0 580 38866 2National forewordThis British Standard is the official English language version o

4、f EN 60464-3-2:2001, including amendment A1:2006. It is identical with IEC 60464-3-2:2001, including amendment 1:2006.The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. Tags indicating changes to IEC text carry the number of the amendment. For exampl

5、e, text altered by IEC amendment 1 is indicated in the text by !“.The UK participation in its preparation was entrusted by Technical Committee GEL/15, Insulating material, to Subcommittee GEL/15/3/7, Varnishes and resins, which has the responsibility to: A list of organizations represented on this s

6、ubcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using t

7、he “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from l

8、egal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summ

9、ary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date Comments16516 31 August 2006 See

10、 national forewordEUROPEAN STANDARD EN 60464-3-2NORME EUROPENNEEUROPISCHE NORMSeptember 2001CENELECEuropean Committee for Electrotechnical StandardizationComit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische NormungCentral Secretariat: rue de Stassart 35, B - 1050 B

11、russels 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.Ref. No. EN 60464-3-2:2001 EICS 29.035.01English versionVarnishes used for electrical insulationPart 3: Specifications for individual materialsSheet 2: Hot curing impregnating varnis

12、hes(IEC 60464-3-2:2001)Vernis utiliss comme isolant lectriquePartie 3: Spcifications pour matriauxparticuliersFeuille 2: Vernis dimprgnation durcissant chaud(CEI 60464-3-2:2001)ElektroisolierlackeTeil 3: Bestimmungen fr einzelneMaterialienBlatt 2: Heihrtende Trnklacke(IEC 60464-3-2:2001)This Europea

13、n Standard was approved by CENELEC on 2001-09-01. CENELEC members are bound tocomply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration.Up-to-date lists and bibliographical references conc

14、erning such national standards may be obtained onapplication to the Central Secretariat or to any CENELEC member.This European Standard exists in three official versions (English, French, German). A version in any otherlanguage made by translation under the responsibility of a CENELEC member into it

15、s own language andnotified to the Central Secretariat has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,Port

16、ugal, Spain, Sweden, Switzerland and United Kingdom.+A1June 2006ForewordThe text of document 15C/1222/FDIS, future edition 2 of IEC 60464-3-2, prepared by SC 15C,Specifications, of IEC TC 15, Insulating materials, was submitted to the IEC-CENELEC parallel vote andwas approved by CENELEC as EN 60464-

17、3-2 on 2001-09-01.The following dates were fixed: latest date by which the EN has to be implementedat national level by publication of an identicalnational standard or by endorsement (dop) 2002-06-01 latest date by which the national standards conflictingwith the EN have to be withdrawn (dow) 2004-0

18、9-01Annexes designated “normative“ are part of the body of the standard.In this standard, annex ZA is normative.Annex ZA has been added by CENELEC._Endorsement noticeThe text of the International Standard IEC 60464-3-2:2001 was approved by CENELEC as a EuropeanStandard without any modification._Page

19、 2EN 6046432:2001 BSI 2006Foreword to amendment A1 The text of document 15/299/FDIS, future amendment 1 to IEC 60464-3-2:2001, prepared by IEC TC 15, Standards on specifications for electrical insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendme

20、nt A1 to EN 60464-3-2:2001 on 2006-05-01. The following dates were fixed: latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-02-01 latest date by which the national standards conflicting with the am

21、endment have to be withdrawn (dow) 2009-05-01 _ Endorsement notice The text of amendment 1:2006 to the International Standard IEC 60464-3-2:2001 was approved by CENELEC as an amendment to the European Standard without any modification. _ INTRODUCTIONThis part of IEC 60464 is one of a series which de

22、als with varnishes used for electricalinsulation. The series consists of three parts:Part 1: Definitions and general requirements (IEC 60464-1);Part 2: Methods of test (IEC 60464-2);Part 3: Specifications for individual materials (IEC 60464-3).This standard consists of one of the sheets comprising p

23、art 3 as follows:Sheet 2: Hot curing impregnating varnishes.Page 3EN 6046432:2001 BSI 28 January 2002VARNISHES USED FOR ELECTRICAL INSULATION Part 3: Specifications for individual materials Sheet 2: Hot curing impregnating varnishes1 ScopeThis sheet of IEC 60464-3 gives the requirements for hot curi

24、ng impregnating varnishes andincludes requirements for certain properties at elevated temperature.2 Normative referencesThe following normative documents contain provisions which, through reference in the text,constitute provisions of this part of IEC 60464. For dated references, subsequent amendmen

25、tsto, or revisions of, any of these publications do not apply. However, parties to agreementsbased on this part of IEC 60464 are encouraged to investigate the possibility of applying themost recent editions of the normative documents indicated below. For undated references, thelatest edition of the

26、normative document referred to applies. Members of ISO and IEC maintainregisters of currently valid International Standards.IEC 60172:1987, Test procedure for the determination of the temperature index of enamelledwinding wiresIEC 60317-8:1990, Specifications for particular types of winding wires Pa

27、rt 8: Polyesterimideenamelled round copper wire, class 1801IEC 60317-13:1990, Specifications for particular types of winding wires Part 13: Polyester orpolyesterimide overcoated with polyamide-imide enamelled round copper winding wire, class2002IEC 60464-1:1998, Varnishes used for electrical insulat

28、ion Part 1: Definitions and generalrequirementsIEC 60464-2, Varnishes used for electrical insulation Part 2: Methods of test3IEC 61033:1991, Test methods for the determination of bond strength of impregnating agentsto an enamelled wire substrate3 DesignationFor the purpose of this specification, the

29、 varnishes are identified as in table 1.1A consolidated edition 3.2 exists (1997) that includes IEC 60317-8 (1990) its amendment 1 (1997) andamendment 2 (1997).2A consolidated edition 2.2 exists (1997) that includes IEC 60317-13 (1990) its amendment 1 (1997) andamendment 2 (1997).3To be published.Pa

30、ge 4EN 6046432:2001 BSI 28 January 2002Table 1 Identification of varnishesTypeTemperature for whichthe property levels are specifiedC130155180200220130155180200220The purchase contract shall contain the material designation, for example:IEC 60464-3-2 type 130.4 Definitions and general requirementsFo

31、r definitions and general requirements, see clauses 4 and 5 of IEC 60464-1.5 RequirementsAll material in a consignment shall comply with the requirements of IEC 60464-1 and shall, inaddition, comply with the requirements given in this sheet.Requirements for properties listed in table 2 are not inclu

32、ded in this specification. Where theseare required, they should be agreed between supplier and purchaser. All tests, however, shallbe carried out in accordance with IEC 60464-2, if not otherwise specified.Page 5EN 6046432:2001 BSI 2002!Table 2 Property values to be agreed between supplier and purcha

33、ser when required Properties before drying and curing Properties after curing Density Tackiness Dilution ability Bond strength pH (W and E varnishes) Cupping test Volatile organic content (W and E varnishes) Resistance to liquids (Including water) Water content (W and E varnishes) Dissipation factor

34、 and relative permittivity Breakdown voltage and electric strength Resistance to mould growth Flash rusting of steel panels (W and E varnishes)“5.1 Flash pointFlash point of the varnish, determined in accordance with 5.1 of IEC 60464-2, shall be not lessthan agreed between supplier and purchaser. If

35、 in a particular country the safety regulations forthe application of a material specify a minimum flash point, the material to be used in thatcountry shall comply with that requirement.5.2 ViscosityViscosity of the varnish, determined in accordance with 5.3 of IEC 60464-2, shall be within10 % of th

36、e nominal value. The nominal value shall be stated in the purchase contract.5.3 Content of non-volatile matterContent of non-volatile matter of the varnish, determined in accordance with 5.4 of IEC 60464-2,shall be within 2 % of the nominal value. The nominal value shall be stated in the purchasecon

37、tract.5.4 Stability of varnish in an open vesselStability of the varnish in an open vessel, determined according to 5.6 of IEC 60464-2, shallshow an increase of viscosity of the varnish of not more than four times the nominal value. Thenominal value shall be stated in the purchase contract.5.5 Dryin

38、g and/or curing in thick layerAfter drying and/or curing of the varnish in a thick layer, determined according to 5.7 ofIEC 60464-2, the result shall be S 1, U 1 and not worse than I 4.2 and the specimen shall beuniform.5.6 Effect of varnish on enamelled wiresThe effect of the varnish on enamelled w

39、ires, determined in accordance with 5.8 of IEC 60464-2,shall not be less than pencil hardness H.5.7 Bend test (cylindrical mandrel)After bending around a mandrel of 3 mm diameter, in accordance with 6.2.1 of IEC 60464-2, nocracks shall be detected under normal vision. In the case of certain products

40、, due to their highexothermic enthalpy, specimens may tend to crack. For such products, the requirement forcuring in a thick layer is not applicable.5.8 Temperature indexTemperature index of the varnish, determined in accordance with 6.3.2 of IEC 60464-2, shallbe based on any two of the following fo

41、ur criteria as agreed upon between supplier andpurchaser: bond strength according to IEC 61033, method B, with an end-point criterion of 22 N; proof voltage according to IEC 60172 based on enamelled wire substrate of a wire class ofnot less than 180 according to IEC 60317-8 or IEC 60317-13;Page 6EN

42、6046432:2001 BSI 28 January 2002 breakdown voltage in accordance with 6.5.3 of IEC 60464-2 on test specimens based onglass fabric substrate according to 6.1.2 of IEC 60464-2 with an end-point criterion of 3 kV. loss of mass on test specimens based on glass fabric substrate according to 6.1.2 ofIEC 6

43、0464-2 with an end-point criterion of 30 %.The temperature index shall not be less than stated in table 3 for any of the chosen testcriteria.Table 3 Minimum temperature indexType Temperature index130155180200220130155180200220This test is a periodic conformance test and need not be repeated unless t

44、he manufacturer hasmade a significant change in the composition or method of production of the material.5.9 Resistance to vapour of solventsResistance of the varnish to vapour of solvents, according to 6.4.3 of IEC 60464-2, shall showno change in adherence, peeling, blistering, draining and no tacki

45、ness.NOTE This test applies only in countries where legal requirements necessitate its use for materials included in “e“type equipment as defined in IEC 60079-7.5.10 Effect of water immersion on volume resistivityVolume resistivity of the varnish, determined in accordance with 6.5.1 of IEC 60464-2,

46、shall notbe less than 1010G57m before and 106G57m after immersion in water.Page 7EN 6046432:2001 BSI 28 January 2002BibliographyIEC 60079-7, Electrical apparatus for explosive gas atmospheres Part 7: Increased safety“e“4_4To be published.Page 8EN 6046432:2001 BSI 28 January 2002Annex ZA(normative)No

47、rmative references to international publicationswith their corresponding European publicationsThis European Standard incorporates by dated or undated reference, provisions from otherpublications. These normative references are cited at the appropriate places in the text and thepublications are liste

48、d hereafter. For dated references, subsequent amendments to or revisions of anyof these publications apply to this European Standard only when incorporated in it by amendment orrevision. For undated references the latest edition of the publication referred to applies (includingamendments).NOTE When

49、an international publication has been modified by common modifications, indicated by (mod), the relevantEN/HD applies.Publication Year Title EN/HD YearIEC 60172 1987 Test procedure for the determination ofthe temperature index of enamelledwinding wiresEN 60172 1994IEC 60317-8 1990 Specifications for particular types ofwinding wiresPart 8: Polyesterimide enamelled roundcopper wire, class 180EN 60317-8 1994IEC 60317-13 1990 Part 13: Polyester or polyesterimideovercoated with p