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EN 2591-704-2001 en Aerospace Series - Elements of Electrical and Optical Connection - Test Methods - Part 704 Electrical Elements - Measurement of Turns Ration on a Transformer Us.pdf

1、BRITISH STANDARD AEROSPACE SERIES 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 ofa British Standard ICs 49.060 BS EN 2591-704:2001 BS EN 2

2、5 9 1-7041200 1 Amd. No. National foreword Date Comments 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 2001 This British Standard

3、 is the official English language version of The UKparticipation in its preparation was entrusted by Technical Committee ACE/6, Aerospace Avionic Electrical and Fibre Optic Technology, to Subcommittee ACE/6/3, Aerospace - Connectors, which has the responsibility to: EN 259 1-7041200 1. - - aid enqui

4、rers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. - A list of organizations

5、represented on this subcommittee can be obtained on request to its secretary. Cr oss-r e fer enc e s 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 “International Standar

6、ds 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 with a British Standard

7、 does not of itself confer immunity from legal obligations. 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. O BSI 12 Decemb

8、er 2001 ISBN O 580 38129 3 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2591-704 November 2001 ICs 49.060 English version Aerospace series - Elements of electrical and optical connection - Test methods - Part 704: Electrical elements - Measurement of turns ratio on a transformer used in a co

9、upler Srie arospatiale - Organes de connexion lectrique et optique - Mthodes dessais - Partie 704: Organes lectriques - Mesure du rapport des spires sur un transformateur utilis dans un coupleur Luft- und Raumfahrt - Elektrische und optische Verbindungselemente - Prfverfahren - Teil 704: Elektrische

10、 Elemente - Messung des Windungsverhltnisses eines Koppelbertragers in einem Koppler This European Standard was approved by CEN on 4 June 2001 CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a nat

11、ional standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any

12、 other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany,

13、 Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION EUROPISCHES KOMITEE FR NORMUNG COMIT EUROPEN DE NORMALISATION Management Centre: rue de Stassart, 36 B-1050 Brussels O 2001 CEN All right

14、s of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2591-704:2001 E EN 2591-704:2001 (E) Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA) . After inquiries and votes carried out in acc

15、ordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publicatio

16、n of an identical text or by endorsement, at the latest by May 2002, and conflicting national standards shall be withdrawn at the latest by May 2002. According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European

17、 Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 2 EN 2591-704:2001 (E) 1 VI - T 1 Scope v2 3 - I T- This standard specifies a method of measu

18、ring the turns ratio of a transformer used in a coupler. This method allows also for verification of the input and output voltage phase. It shall be used together with EN 2591-100. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publicat

19、ions. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision.

20、For undated references the latest edition of the publication referred to applies. EN 2591-100 Aerospace series - Elements of electrical and optical connection - Test methods - Part 100: General 1) 3 Preparation of specimens Unless specified in the technical specification, the following details shall

21、 be stated: - value of N, see 4; - test temperature. 4 Method Key 1 Signal generator 2 Coupler 3 Oscilloscope Figure 1 The test signal VI shall be sinusoidal, frequency 250 kHz, 10 V peak to peak. The turns ratio shall be calculated using the formula: VI N= - v2 5 Req ui rements N shall comply with

22、the value specified in the technical specification. Voltages VI and VZshall be in phase. 1) Published as AECMA Prestandard at the date of publication of this standard 3 BS EN 2591-704:2001 BSI 389 Chiswick High Road Lon don w4 4AL BSI is the independent national body responsible for preparing Britis

23、h Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Re vi si ons British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is

24、 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 Secretary of the technical committee responsible, the identity of which can be found on the inside front

25、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 standards. Buying standards Orders for all BSI, international and foreign standards publications should

26、 be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: orders&-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been p

27、ublished 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 and its Technical Help to Exporters Service. Various BSI electronic information services are also availab

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29、. For details ofthese and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 700 1. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI i

30、s available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, ofthe publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be rep

31、roduced, 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 preclude the free use, in the course of implementing the standard, ofnecessary details such as symbols, and si

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