1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-704:2001 Elements of electrical and optical connection Test methods Part 704: Electrical elements Measurement of turns ratio on a transformer used in a coupler The European Standard EN 2591-704:2001 has the status of a British Standard ICS 49.060 NO COPYI
2、NG WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 2591-704:2001 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 12 December 2
3、001 BSI 12 December 2001 ISBN 0 580 38129 3 National foreword This British Standard is the official English language version of EN 2591-704:2001. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace Avionic Electrical and Fibre Optic Technology, to Subcommitt
4、ee ACE/6/3, Aerospace - Connectors, which has the responsibility to: 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
5、 found in the BSI Standards Catalogue under the section entitled “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 Stan
6、dards are responsible for their 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 enquiries on the interpretation, or proposals for c
7、hange, and keep the UK interests informed; monitor related international and European 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
8、 document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2591704 November2001 ICS49.060 Englishversion AerospaceseriesElementsofelectricalandopticalconnection TestmethodsPart704:Electricalelement
9、sMeasurementof turnsratioonatransformerusedinacoupler SriearospatialeOrganesdeconnexionlectriqueet optiqueMthodesdessaisPartie704:Organes lectriquesMesuredurapportdesspiressurun transformateurutilisdansuncoupleur LuftundRaumfahrtElektrischeundoptische VerbindungselementePrfverfahrenTeil704: Elektris
10、cheElementeMessungdes WindungsverhltnisseseinesKoppelbertragersineinem Koppler ThisEuropeanStandardwasapprovedbyCENon4June2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Up
11、todatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownl
12、anguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEA
13、NCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2591704:2001EEN2591704:2001(E) 2 Foreword ThisEuropeanStandardhas
14、beenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStan
15、dardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyMay2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyMay2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundt
16、oimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN2591704:2001(E) 3 1 Scope Thisstandardspecifiesamethodofmeasuringtheturnsratioofatransformer
17、usedinacoupler.This methodallowsalsoforverificationoftheinputandoutputvoltagephase. ItshallbeusedtogetherwithEN2591100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandth
18、epublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN2591100 AerospaceseriesElementsofelectrical
19、andopticalconnectionTestmethods Part100:General 1) 3 Preparationofspecimens Unlessspecifiedinthetechnicalspecification,thefollowingdetailsshallbestated: valueof N ,see4; testtemperature. 4 Method Thetestiscarriedoutusingasignalgeneratorandanoscilloscopeconnectedasonfigure1. Key 1 Signalgenerator 2 C
20、oupler 3 Oscilloscope Figure1 Thetestsignal V1shallbesinusoidal,frequency250kHz,10Vpeaktopeak. Theturnsratioshallbecalculatedusingtheformula: N 2 1 V V 5 Requirements Nshallcomplywiththevaluespecifiedinthetechnicalspecification. Voltages V1and V2shallbeinphase. 1) PublishedasAECMAPrestandardatthedat
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