ISO-23273-2-2006.pdf
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1、 Reference number ISO 23273-2:2006(E) ISO 2006 INTERNATIONAL STANDARD ISO 23273-2 First edition 2006-05-15 Fuel cell road vehicles Safety specifications Part 2: Protection against hydrogen hazards for vehicles fuelled with compressed hydrogen Vhicules routiers aliments par pile combustible Spcificat
2、ions de scurit Partie 2: Protection contre les dangers de lhydrogne pour les vhicules utilisant de lhydrogne comprim Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 02:01:12 MDTNo reproduction or
3、 networking permitted without license from IHS -,-,- ISO 23273-2:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and ins
4、talled on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software pro
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6、 please inform the Central Secretariat at the address given below. ISO 2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in wr
7、iting from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2006 All rights reserved Copyrig
8、ht International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 02:01:12 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 23273-2:2006(E) ISO 2006 All rights reserved iii Foreword ISO (the
9、International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee
10、 has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnic
11、al standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bo
12、dies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying an
13、y or all such patent rights. ISO 23273-2 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 21, Electrically propelled road vehicles. ISO 23273 consists of the following parts, under the general title Fuel cell road vehicles Safety specifications: Part 1: Vehicle functiona
14、l safety Part 2: Protection against hydrogen hazards for vehicles fuelled with compressed hydrogen Part 3: Protection of persons against electric shock Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/
15、2007 02:01:12 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 02:01:12 MDTNo reproduction or networking permitted without
16、 license from IHS -,-,- INTERNATIONAL STANDARD ISO 23273-2:2006(E) ISO 2006 All rights reserved 1 Fuel cell road vehicles Safety specifications Part 2: Protection against hydrogen hazards for vehicles fuelled with compressed hydrogen 1 Scope This part of ISO 23273 specifies the essential requirement
17、s for fuel cell vehicles (FCV) with respect to the protection of persons and the environment inside and outside the vehicle against hydrogen related hazards. It applies only to such FCV where compressed hydrogen is used as fuel for the fuel cell system. This part of ISO 23273 does not apply to manuf
18、acturing, maintenance and repair. The requirements of this part of ISO 23273 address both normal operating (fault free) and single fault conditions of the vehicles. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references,
19、 only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 17268, Compressed hydrogen surface vehicle refuelling connection devices ISO 23273-1, Fuel cell road vehicles Safety specifications Part 1: Vehicle functiona
20、l safety 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 air processing system system that processes (i.e. that filters, meters, conditions and pressurizes) the incoming air for the fuel cell system 3.2 contaminant substances within raw fuel,
21、 such as sulphur, that, at or above a specified concentration level, may poison reaction catalysts 3.3 electric chassis conductive mechanical structure of the vehicle including all associated electric and electronic components, whose parts are electrically connected and whose potential is taken as r
22、eference Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 02:01:12 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 23273-2:2006(E) 2 ISO 2006 All rights reserved 3.4
23、excess flow valve valve which automatically shuts off or limits the gas flow when the flow exceeds a set design value 3.5 fuel cell electrochemical device that generates electricity by the conversion of fuel and an oxidant without any physical or chemical consumption of the electrodes or electrolyte
24、 3.6 fuel cell stack assembly of two or more fuel cells, which are electrically connected 3.7 fuel cell system system typically containing the following subsystems: fuel cell stack, air processing system, fuel processing system, thermal management, water management and their control system 3.8 fuel
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