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EN 60455-3-5-2006 en Resin based reactive compounds used for electrical insulation Part 3 Specifications for individual materials Sheet 5 Unsaturated polyester based impregnating r.pdf

1、BRITISH STANDARDBS EN 60455-3-5:2006Resin based reactive compounds used for electrical insulation Part 3: Specifications for individual materials Sheet 5: Unsaturated polyester based inpregnating resinsThe European Standard EN 60455-3-5:2006 has the status of a British StandardICS 29.035.01g49g50g3g

2、38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 60455-3-5:2006This British Standard was published under the authority of the Standards Policy and Strat

3、egy Committee on 31 May 2006 BSI 2006ISBN 0 580 48423 8National forewordThis British Standard is the official English language version of EN 60455-3-5:2006. It is identical with IEC 60455-3-5:2006. It supersedes BS EN 60455-3-5:2002 which is withdrawn.The UK participation in its preparation was entr

4、usted to Technical Committee GEL/15, Standards on specifications for electrical insulating materials, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international

5、 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 the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to in

6、clude 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 legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enq

7、uiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover

8、.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD EN 60455-3-5 NORME EUROPENNE EUROPISCHE NORM April 2006 CENELEC European Committee for Electrotechnical Standardization Comit Eu

9、ropen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60455-3-5:2006 E ICS 29.035.0

10、1 Supersedes EN 60455-3-5:2001English version Resin based reactive compounds used for electrical insulation Part 3: Specifications for individual materials Sheet 5: Unsaturated polyester based impregnating resins (IEC 60455-3-5:2006) Composs ractifs base de rsines utiliss comme isolants lectriques P

11、artie 3: Spcifications pour matriaux particuliers Feuille 5: Rsines dimprgnation base de polyester insatur (CEI 60455-3-5:2006) Reaktionsharzmassen fr die Elektroisolierung Teil 3: Anforderungen an einzelne Werkstoffe Blatt 5: Imprgnierharzwerkstoffe auf Basis ungesttigter Polyester (IEC 60455-3-5:2

12、006) This European Standard was approved by CENELEC on 2006-02-01. 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 bibliograph

13、ical references concerning such national standards may be obtained on application to the Central Secretariat 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

14、 CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Icela

15、nd, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of document 15/237/FDIS, future edition 3 of IEC 60455-3-5, prepared by IEC TC 15, Standards on speci

16、fications for electrical insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60455-3-5 on 2006-02-01. This European Standard supersedes 60455-3-5:2001. The major changes from EN 60455-3-5:2001 concern the introduction of unsaturated polyester with l

17、ow emission of volatile organic components. A definition, requirements and a test method for curing in thick layer and emissions during curing were added. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national stand

18、ard or by endorsement (dop) 2006-11-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2009-02-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60455-3-5:2006 was approved by CENELEC as a European St

19、andard without any modification. _ 2 EN 60455-3-5:2006CONTENTS INTRODUCTION.4 1 Scope 5 2 Normative references .5 3 Terms and definitions .6 4 Designation 6 5 Requirements.6 5.1 Flash point 7 5.2 Density7 5.3 Viscosity7 5.4 Curing in thick layer and emissions during curing .7 5.5 Effect of the react

20、ive compound on enamelled wires.8 5.6 Temperature index.8 5.7 Resistance to vapour of solvents8 5.8 Effect of water immersion on volume resistivity 8 Annex A (normative) Curing in thick layer and determination of emissions.9 Annex ZA (normative) Normative references to international publications wit

21、h their corresponding European publications11 3 EN 60455-3-5:2006INTRODUCTION This part of IEC 60455 is one of a series which deals with specifications for resin based reactive compounds and their components used for electrical insulation. The series consists of three parts: Part 1: Definitions and

22、general requirements (IEC 60455-1); Part 2: Methods of test (IEC 60455-2); Part 3: Specifications for individual materials (IEC 60455-3). This standard consists of one of the sheets comprising part 3 as follows: Sheet 5: Unsaturated polyester based impregnating resins 4 EN 60455-3-5:2006RESIN BASED

23、REACTIVE COMPOUNDS USED FOR ELECTRICAL INSULATION Part 3: Specifications for individual materials Sheet 5: Unsaturated polyester based impregnating resins 1 Scope This sheet 5 of IEC 60455-3 gives the requirements for unsaturated polyester based impregnating resins, and includes requirements for cer

24、tain properties at elevated temperature. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application a

25、nd not on this specification alone. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments)

26、 applies. IEC 60172:1987, Test procedure for the determination of the temperature index of enamelled winding wires IEC 60317-8:1990, Specifications for particular types of winding wires Part 8: Polyester-imide enamelled round copper wire, class 180 IEC 60317-13:1990, Specifications for particular ty

27、pes of winding wires Part 13: Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper winding wire, class 200 IEC 60455-1:1998, Resin based reactive compounds used for electrical insulation Part 1: Definitions and general requirements IEC 60455-2:1998, Resin based reactive

28、 compounds used for electrical insulation Part 2: Methods of test IEC 60464-2:2001, Varnishes used for electrical insulation Part 2: Methods of test IEC 61033:1991, Test methods for the determination of bond strength of impregnating agents to an enamelled wire substrate 5 EN 60455-3-5:20063 Terms an

29、d definitions For the purposes of this document, the terms and definitions given in IEC 60455-1 and the following apply. 3.1 unsaturated polyester with low emissions of volatile organic components polyester resin characterised by carbon-carbon unsaturation in the polymer chain, which permits subsequ

30、ent crosslinking, with or without a copolymerizable monomer, where less than 3 % of volatile organic components (VOC) are released during the curing process. 4 Designation For the purpose of this specification, the resins are identified as in Table 1. Table 1 Identification of resins Type Property l

31、evels specified at C 130 130 155 155 180 180 200 200 NOTE The properties to be specified at these temperatures are identified by an asterisk (*) in Table 2. The purchase contract shall contain the material designation, for example: IEC 60455-3-5 type 130. 5 Requirements All material in a consignment

32、 shall comply with the requirements of IEC 60455-1 and shall in addition comply with the requirements given in this sheet. Requirements for properties listed in Table 2 are not included in this specification. Where these are required, they should be agreed between supplier and purchaser. All tests,

33、however, shall be carried out in accordance with IEC 60455-2, if not otherwise specified. 6 EN 60455-3-5:2006Table 2 Properties to be agreed between supplier and purchaser, when required Properties Uncured reactive compound Cured reactive compound Softening temperature Ash content Filler content Chl

34、orine content Water content Hydroxyl value Acid value Amount of double bonds Pot life Gel time Exothermic rise Shrinkage Bond strength *) Thermal conductivity Glass transition temperature Water absorption Effect of liquid chemicals Resistance to mould growth Dielectric dissipation factor and relativ

35、e permittivity *)Breakdown voltage and electric strength *)Proof tracking index *) at elevated temperature as indicated in Table 1. 5.1 Flash point Flash point of the reactive compound determined in accordance with 5.1 of IEC 60455-2 shall be not less than agreed between supplier and purchaser. If i

36、n a particular country the safety regulations for the application of a material specify a minimum flash point, a material to be used in that country shall comply with that requirement. 5.2 Density Density of the reactive compound determined in accordance with 5.2 of IEC 60455-2 shall be within 2 % o

37、f the nominal value. The nominal value shall be stated in the purchase contract. 5.3 Viscosity Viscosity of the reactive compound determined in accordance with 5.3 of IEC 60455-2 shall be within 10 % of the nominal value. The nominal value shall be stated in the purchase contract. In case of unsatur

38、ated polyester with low emissions of volatile organic components (VOC) the viscosity of the reactive compound shall be determined with a suitable device over the range of application temperature as agreed between supplier and purchaser. The viscosity shall be within 10 % of the nominal value. 5.4 Cu

39、ring in thick layer and emissions during curing The method given in Annex A shall be used. Three measurements shall be made and the three results shall be reported. The result shall be S1, U1 and not worse than I4.2 and the specimen shall be uniform. In case of unsaturated polyester with low emissio

40、ns of volatile organic components (VOC), the emissions during curing shall be less than 3 %. 7 EN 60455-3-5:20065.5 Effect of the reactive compound on enamelled wires The effect of the reactive compound on enamelled wires determined in accordance with 5.8 of IEC 60464-2 shall not be less than pencil

41、 hardness H with the immersion time and temperature to be agreed between supplier and purchaser. 5.6 Temperature index Temperature index of the resin shall be determined in accordance with 6.3.2 of IEC 60464-2 and shall be based on the following three test criteria as agreed upon between supplier an

42、d purchaser: 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 of not less than 180 according to IEC 60317-8 or IEC 60317-13; breakdown voltage in accordance with 6.6.3 of IEC 60

43、455-2 on test specimens based on glass fabric substrate according to 6.1.2 of IEC 60464-2 with an end-point criterion of 3 kV. The temperature index shall not be less than stated in Table 3 for any of the chosen test criteria. Table 3 Minimum temperature index Type Temperature index 130 130 155 155

44、180 180 200 200 This test is a periodic conformance test and need not be repeated unless the manufacturer has made a significant change in the composition or method of production of the material. 5.7 Resistance to vapour of solvents Resistance of the cured compound to vapour of solvents according to

45、 6.4.3 of IEC 60464-2 shall show no change in adherence, peeling, blistering, draining, and no tackiness. 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: “The type of protection “e“ is the m

46、ethod of protection by which additional measures are applied, so as to give increased security against the possibility of excessive temperatures and of the occurence of arcs and sparks in apparatus which does not produce arcs or sparks in normal service.“ 5.8 Effect of water immersion on volume resi

47、stivity Volume resistivity of the cured compound determined in accordance with 6.6.1 of IEC 60455-2 shall not be less than 1012m before and 109m after immersion in water. 8 EN 60455-3-5:2006Annex A (normative) Curing in thick layer and determination of emissions This test is designed for the examina

48、tion of cured impregnating materials. Curing in thick layer is expressed by the condition after curing of the top side, bottom side and interior of the specimen. The determination of emissions during the curing process are also part of this method. A.1 Equipment The following equipment shall be used

49、: flat and smooth square pieces of aluminium foil, 0,1 mm to 0,15 mm in thickness and of (95 1) mm side length; a former made of metal or any other suitable solid material, (25 1) mm in thickness and (45 1) mm square; oven with forced air circulation and with a minimum rate of 8 fresh air changes per hour. The oven shall be of the type and design used for drying and/or curing specimens; balance with an accuracy of 0,01 g. A.2 Test specimen A piece of aluminium foil shall be

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