1、BRITISH STANDARD AEROSPACE SERIES BS EN 2988:1996 Nickel-cadmium batteries of format Dtype The European Standard EN 2988:1996 has the status of a British Standard ICS 29.220.30; 49.060BSEN 2988:1996 This British Standard, having been prepared under the direction of the Engineering Sector Board, was
2、published under the authority of the Standards Board and comes into effect on 15 November 1996 BSI 11-1998 The following BSI references relate to the work on this standard: Committee reference ACE/6 Draft for comment 92/83155 DC ISBN 0 580 26328 2 Committees responsible for this British Standard The
3、 preparation of this British Standard was entrusted to Technical Committee ACE/6, Aerospace batteries, upon which the following bodies were represented: British Airways British Cable Makers Confederation British Rubber Manufacturers Association Civil Aviation Authority (Airworthiness Division) Feder
4、ation of the Electronics Industry Ministry of Defence Society of British Aerospace Companies Ltd. Amendments issued since publication Amd. No. Date CommentsBS EN2988:1996 BSI 11-1998 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 1 Scope 3 2 Normative refer
5、ences 3 3 Characteristics 3 4 Designation 5 5 Marking 5 6 Log book 5 7 Technical specification 5 Figure 1 3 Table 1 4 Table 2 4 Table 3 5 Table 4 5 Table 5 5 List of references Inside back coverBSEN 2988:1996 ii BSI 11-1998 National foreword This British Standard has been prepared by Technical Commi
6、ttee ACE/6 and is the English language version of EN2988:1996 Aerospace series Nickel-cadmium batteries of format D type published by the European Committee for Standardization (CEN). EN2988 was produced as a result of international discussion in which the UnitedKingdom took an active part. A Britis
7、h 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 does not of itself confer immunity from legal obligations. Cross-reference Publication referred to Correspon
8、ding British Standard EN2570:1996 BSEN2570:1996 Nickel-cadmium batteries Technical specification Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6, an inside back cover and a back cover. This standard has been updated (see
9、copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on theinside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2988 July 1996 ICS 49.060 Descriptors: Aircraft industry, aircraft equipment, electric batteries, storage batteries, n
10、ickel cadmium batteries, specifications, dimensions English version Aerospace series Nickel-cadmium batteries of format D type Srie arospatiale Batteries daccumulateurs au nickel-cadmium du type de format D Luft- und Raumfahrt Nickel-Cadmium-Batterien Bauart der Grenausfhrung D This European Standar
11、d was approved by CEN on 1995-06-29. CEN 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 bibliographical references concerning such na
12、tional standards may be obtained on application to the Central Secretariat or to any CEN 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 CEN member into its own language and
13、notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Ki
14、ngdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN 2988:1996 EEN2988:1996 BSI 11-1998 2 Foreword This European Standard has been pr
15、epared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance 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
16、 presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 1997 and conflicting national standards shall be withdrawn at the latest by January 1997. According to the CEN/CENELEC
17、 Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the Un
18、ited Kingdom.EN 2988:1996 BSI 11-1998 3 1 Scope This standard specifies the characteristics of nickel-cadmium batteries of format D type. NOTEFormat D type makes it possible to differentiate between the title of the present standard and those of the other product standards for nickel-cadmium batteri
19、es. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. 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 rev
20、isions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN2570, Aerospace series Nickel-cadmium batteries Technical specification. 3 Characteristics 3.
21、1 Dimensions See Figure 1. Figure 1EN2988:1996 4 BSI 11-1998 3.2 Physical characteristics See Table 1. Table 1 3.3 Electrical characteristics SeeTable 2. Table 2 Characteristics Requirements Mass (with accessories) 16,5 kg max. Accessories a Marking See 5. Acceleration See EN 2570 (for crash no igni
22、tion). Electrolyte spillage See EN 2570. Seal of lid a See EN 2570. Minimum air flow rate of ventilation 0,027 m 3 /min Resistance to salt spray See EN 2570. a Verify if required by the designation. Requirements Characteristics Test conditions Batteries Normal High power Rated capacity C 1 11 Ah 11
23、Ah Number of cells According to code a According to code a 1 to 4 5 to 7 Rated voltage 1,2 V per cell Available capacities See EN 2570. SeeEN 2570. See EN 2570. As % of C 1Ah 30 min 4 to 6 Charge at 18 C 1 h 8 to 12 3 h 15 to 20 Charge recovered See EN 2570. % of recharged capability in 30 min 23 C
24、70 70 50 C 72 72 Prolonged charge at high temperature See EN 2570. See EN 2570. Starting capability Temperature See EN 2570. I at the 10th s 5 C 1A 10 C 1A I from the 11th to the 30th s b U at the 15th s 14 V 14 V Endurance See EN 2570. 5 C 1A 10 C 1A Short-circuit See EN 2570. I min .: 550 A U min
25、.: 1,1 V a See Table 3. b Value fixed by the manufacturerEN 2988:1996 BSI 11-1998 5 4 Designation EXAMPLE: NoteIf necessary, the code I9005 shall be placed between the description block and the identity block. Table 3 Table 4 Table 5 5 Marking In addition to the identity block (see 4), each battery
26、shall bear the following information: provisioning number (for military aircraft only); name of manufacturer; manufacturers reference; country and location of manufacture; modification index where applicable; serial number; date of manufacture (month, year or code); safety instructions; polarity (se
27、eEN2570); nominal voltage; rated capacity; number of cells. Unless otherwise indicated, the position of these markings is left to the manufacturers discretion. 6 Log book It shall contain the information of 5, information required by EN2570 and that concerning any special particulars. 7 Technical sp
28、ecification EN2570 Code Cells Electrolyte Number Power 1 20 Normal Normal 2 19 Normal 3 20 Reserve 4 10 Normal 5 20 Normal 6 19 High Normal 7 20 Reserve Code Case and lid 1 Sealed lid 2 Code 1 + forced ventilation 3 Code 1 + aerobatic flights 4 Lid not sealed 5 Apertures in case and lid Code Accesso
29、ries 1 No accessories 2 With handles 3 With temperature sensor 4 With temperature sensor and handles6 blankBS EN2988:1996 BSI 11-1998 List of references See national foreword.BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
30、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents th
31、e 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. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to im
32、prove 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 cover. Tel: 020 8996 9000. Fax
33、: 020 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 be addressed to Customer Services. Tel: 0
34、20 8996 9001. Fax: 020 8996 7001. In response to orders 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, Eu
35、ropean and international standards through its Library 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: 020 8996 7111. Fax: 020 8996 7048. Subscribing
36、members of BSI are kept up 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: 020 8996 7002. Fax: 020 8996 7001. Copyright Copyright subsists in all BSI publications
37、. BSI also holds the copyright, in the UK, of the publications of the international standardization 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, photocop
38、ying, recording or otherwise without prior written permission from BSI. This does not preclude 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. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.
