BS EN 3475-301-2002 Aerospace series - Cables electrical aircraft use - Test methods - Ohmic resistance per unit length《航空航天系列 飞行器用电缆 试验方法 单位长度的欧姆电阻》.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS EN 3475-301:2002 Cables, electrical, aircraft use Test methods Part 301: Ohmic resistance per unit length The European Standard EN 3475-301:2002 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW

2、BS EN 3475-301:2002 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 11 February 2002 BSI 11 February 2002 ISBN 0 580 38373 3 National foreword

3、This British Standard is the official English language version of EN 3475-301:2002. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace, avionic, electrical and fibre optic technology, to Subcommittee ACE/6/2, Aerospace Cables, which has the responsibility t

4、o: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “

5、International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance wi

6、th a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and Eur

7、opean developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 and 3 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since p

8、ublication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3475301 January2002 ICS49.060 Englishversion AerospaceseriesCables,electrical,aircraftuseTest methodsPart301:Ohmicresistanceperunitlength SriearospatialeCbleslectriquesusage aronautiqueMthodesdessaiPartie301:Rsistance

9、lectriquelinique LuftundRaumfahrtElektrischeLeitungenfrLuftfahrt, VerwendungPrfverfahrenTeil301:Leiterwiderstand ThisEuropeanStandardwasapprovedbyCENon5August2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanat

10、ionalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation underther

11、esponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,S

12、weden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3475301:2002EEN3475301:

13、2002(E) 2 Foreword Thisdocument(EN3475301:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof A

14、ECMA,priortoitspresentationtoCEN ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyJuly2002,andconflictingnationalstandardsshallbewithdrawnatthe latestbyJuly2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstan

15、dardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3475301:2002(E) 3 1 Scope Thisstand

16、ardspecifiesamethodofmeasuringelectricalresistanceperunitlength. ItshallbeusedtogetherwithEN3475100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelis

17、ted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN3475100 AerospaceseriesCables,electrical,aircraftuseTestmethod

18、sPart100:General 3 Preparationofspecimens Thespecimens,havingaminimumlengthof1m,shallbetakenfromfinishedcable. 4 Method Theresistanceoftheconductorshallbestabilizedtotheambienttemperatureandmeasuredwiththeuseof asuitablebridge.Ifthelocalambienttemperature isnot20Cthemeasuredresistanceinohms,R , shal

19、l becorrectedto20Cbyuseofthefollowingformulae. R R 20 1 0,004( 20) exceptforhighstrengthcopperalloy,where: R R 20 1 0,0035( 20) 5 Requirement Theresistancevalue,correctedto20Cshallbelessthanorequaltothevaluestatedintherelevantproduct standard.BS EN 3475-301:2002 BSI 389 Chiswick High Road London W4

20、4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision

21、. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the S

22、ecretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of

23、 standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to order

24、s for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library

25、 and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept u

26、p to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to Bri

27、tish Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standard

28、ization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclu

29、de the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.

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