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1、Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 28/03/2009 01:59, (c)BSIBRITISH STANDARD BS EN50305:2002Railway applications Railway rolling stock cables having special fire performance Test methodsThe European Standard EN 50305:2002 has the status of a
2、British StandardICS 13.220.20; 29.060.20; 45.060.01 BS EN 50305:2002National forewordThis British Standard is the official English language version ofEN 50305:2002.The UK participation in its preparation was entrusted by Technical Committee GEL/20, Electric cables, to Subcommittee GEL/20/12, Railway
3、 cables, which has the responsibility to:aid enquirers 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 promu
4、lgate them in the UK.A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section enti
5、tled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance
6、with a British Standard does not of itself confer immunity from legal obligations.Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 28/03/2009 01:59, (c)BSIThis British Standard, having been prepared under the direction of the Electrotechnical Sector Poli
7、cy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on9 August 2002 BSI 9 August 2002ISBN 0 580 40243 6Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 38, an inside back cover and a ba
8、ck cover.The BSI copyright date displayed in this document indicates when the document was last issued.Amd. No.DateCommentsAmendments issued since publicationEUROPEAN STANDARDEN 50305NORME EUROPENNEEUROPISCHE NORMJuly 2002ICS 13.220.20; 29.060.20; 45.060.01English versionRailway applications -Railwa
9、y rolling stock cables having special fire performance - Test methodsApplications ferroviaires -Cbles pour matriel roulant ferroviaire ayant des performances particulires de comportement au feu -Mthodes dessaisBahnanwendungen -Kabel und Leitungen fr Schienenfahrzeuge mit verbessertem Verhalten im Br
10、andfall - PrfverfahrenLicensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 28/03/2009 01:59, (c)BSIThis European Standard was approved by CENELEC on 2002-07-02. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the
11、 conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member.This European Standard exists i
12、n three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions.CENELEC members are the national electrotec
13、hnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom.CENELECEuropean Committee for Electrotechnical Standardization
14、 Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische NormungCentral Secretariat: rue de Stassart 35, B - 1050 Brussels 2002 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.Ref. No. EN 50305:2002 E 37 EN 503
15、05:2002Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 28/03/2009 01:59, (c)BSIForewordThis European Standard was prepared for the Technical Committee CENELEC TC 20, Electric cables by WG 12, Railway cables, on behalf of the Technical Committee CENELEC
16、TC 9X, Electrical and electronic applications for railways.The text of the draft was submitted to the Unique Acceptance Procedure and was approved byCENELEC as EN 50305 on 2002-07-02. The following dates were fixed:-latest date by which the EN has to be implemented at national level by publication o
17、f an identicalnational standard or by endorsement(dop)2003-07-01-latest date by which the national standards conflictingwith the EN have to be withdrawn (dow)2008-07-01Annexes designated normative are part of the body of the standard. Annexes designated informative are given for information only.In
18、this standard, annexes B and E are normative and annexes A, C and D are informative.Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 28/03/2009 01:59, (c)BSIContentsIntroduction. 51Scope . 62Normative references . 63Definitions. 74Applicability, sampling
19、, test-piece preparation and test conditions. 74.1Applicable tests. 74.2Classification of tests . 74.3Sampling. 74.4Test-piece preparation . 74.5Test conditions. 75Mechanical tests. 85.1Impact test at low temperature . 85.2Abrasion resistance. 85.3Notch propagation. 95.4Pliability . 105.5Strippabili
20、ty and adhesion of insulation. 115.6Dynamic cut-through . 116Electrical tests . 126.1Electrical resistance of conductors . 126.2Voltage test on completed cable. 126.3Voltage test on sheath. 126.4Insulation resistance . 136.5Spark test . 136.6Surface resistance . 146.7D.C. stability . 146.8Dielectric
21、 strength . 157Ageing and thermal tests . 157.1Compatibility . 157.2Long term ageing for insulation . 157.3Long term ageing for sheath. 197.4Ozone resistance . 197.5Pressure test at high temperature . 217.6Shrinkage test for insulation . 217.7Stress cracking test. 218Tests in fluids, including water
22、. 238.1Mineral and fuel oil resistance . 238.2Acid and alkali resistance . 238.3Water absorption of sheath . 239Reaction to fire tests . 249.1Flame propagation . 249.2Toxicity . 2410Miscellaneous tests. 2710.1 Durability of marking . 2710.2 Blocking of cores. 27Licensed copy: The University of Hong
23、Kong, The University of Hong Kong, Version correct as of 28/03/2009 01:59, (c)BSIAnnex A (informative) List of other test methods applicable to rolling stock cables . 29Annex B (normative) Procedure for checking the efficacy of the method of spark testing (with reference to 6.5) . 30Annex C (informa
24、tive) Long term ageing test Significance and use . 32Annex D (informative) Illustration of an Arrhenius plot . 33Annex E (normative) Analysis methods for toxicity . 34Figure 1 Test arrangement for abrasion of insulation and sheath . 9Figure 2 Pliability test rig . 10Figure 3 Assembly for adhesion te
25、st. 11Figure 4 Arrangement of electrodes for test sample. 14Figure 5 Suggested method of attachment of insulated wire test specimen to mandrel . 18Figure 6 Clamping device. 20Figure 7 Flat topped cone . 22Figure 8 Schematic diagram of apparatus for production, collection and analysis of gases. 26Fig
26、ure B.1 Removal of insulation segment. 30Figure B.2 Overlap position for tape . 31Table 1 Tolerances for temperature values. 7Table 2 Parameters for impact test at low temperature . 8Table 3 Recommended exposure times in days per cycle. 17Table 4 Requirements for wrapping test . 17Table 5 Determination method to be applied . 25Table 6 CCz values for various gases .