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10、3 00 IEC/TR 62131-3 Edition 1.0 2011-02 TECHNICAL REPORT Environmental conditions Vibration and shock of electrotechnical equipment Part 3: Equipment transported in rail vehicles INTERNATIONAL ELECTROTECHNICAL COMMISSION X ICS 19.040 PRICE CODE ISBN 978-2-88912-388-9 Registered trademark of the Inte
11、rnational Electrotechnical Commission colour inside 2 TR 62131-3 IEC:2011(E) CONTENTS FOREWORD . 5 1 Scope . 7 2 Normative references 7 3 Data source and quality 8 3.1 UK rail measurements . 8 3.2 Association of American Railroads Lengthways shocks . 9 3.3 Association of American Railroads Intermoda
12、l environment . 10 3.4 Association of American Railroads Study of the shock and vibration environment in boxcars 10 3.5 Association of American Railroads Study of the railroad shock and vibration environment for railroader equipment . 11 3.6 Supplementary data . 11 4 Intra data source comparison 12
13、4.1 General remark . 12 4.2 UK Rail measurements 12 4.3 Association of American Railroads Lengthways shocks . 13 4.4 Association of American Railroads Intermodal environment . 13 4.5 Association of American Railroads Study of the shock and vibration environment in boxcars 14 4.6 Association of Ameri
14、can Railroads Study of the railroad shock and vibration environment for railroader equipment . 14 4.7 Supplementary data . 15 5 Inter data source comparison 15 6 Environmental description . 17 7 Comparison with IEC 60721 18 8 Recommendations 20 Bibliography 49 Figure 1 British Rail measured vertical
15、 vibration severities 22 Figure 2 British Rail measured lateral vibration severities . 22 Figure 3 British Rail measurements distribution of shunting velocities . 23 Figure 4 Association of American Railroads Lengthways shock measurements example shock pulses . 24 Figure 5 Association of American Ra
16、ilroads Lengthways shock measurements comparison of positive peak acceleration 25 Figure 6 Association of American Railroads Lengthways shock measurements comparison of negative peak acceleration . 25 Figure 7 Association of American Railroads Lengthways shock measurements comparison of rms accelera
17、tion . 26 Figure 8 Association of American Railroads Lengthways shock measurements comparison of crest factor . 26 Figure 9 Association of American Railroads Lengthways shock measurements comparison of change of velocity . 27 Figure 10 Association of American Railroads Lengthways shock measurements
18、comparison of filtered peak acceleration 27 Figure 11 Association of American Railroads Intermodal study - amplitude probability in longitudinal axis 28 TR 62131-3 IEC:2011(E) 3 Figure 12 Association of American Railroads intermodal study amplitude probability in lateral axis 29 Figure 13 Associatio
19、n of American Railroads intermodal study amplitude probability in vertical axis . 30 Figure 14 Association of American Railroads Intermodal study vertical axis spectral values 32 Figure 15 Association of American Railroads Intermodal study lateral axis spectral values . 32 Figure 16 Association of A
20、merican Railroads Intermodal study longitudinal axis spectral values 33 Figure 17 Association of American Railroads Boxcar measurements vertical axis spectral values 33 Figure 18 Association of American Railroads Boxcar measurements lateral axis spectral values 34 Figure 19 Association of American R
21、ailroads Boxcar measurements longitudinal axis spectral values . 34 Figure 20 Association of American Railroads Cushioned boxcar measurements middle of car . 35 Figure 21 Association of American Railroads Cushioned boxcar measurements end of car . 35 Figure 22 Association of American Railroads Stand
22、ard boxcar measurements middle of car . 36 Figure 23 Association of American Railroads Standard boxcar measurements end of car 36 Figure 24 Association of American Railroads Railroader measurements peak spectral value 37 Figure 25 Association of American Railroads Railroader measurements amplitude p
23、robabilities 38 Figure 26 Johnson Reported measurements spring buffers . 39 Figure 27 Johnson Reported measurements hydraulic buffers 39 Figure 28 Johnson Reported measurements probability of occurance 40 Figure 29 Foley Reported measurements frequency distribution 40 Figure 30 Foley Reported measur
24、ements recurrent events 41 Figure 31 Foley Reported measurements intermittent events 41 Figure 32 GAM-EG-13 Reported measurements longitudinal axis 42 Figure 33 GAM-EG-13 Reported measurements lateral axis 42 Figure 34 GAM-EG-13 Reported measurements vertical axis 43 Figure 35 GAM-EG-13 Reported mea
25、surements - longitudinal shocks 43 Figure 36 GAM-EG-13 Reported measurements vertical shocks . 44 Figure 37 ASTM D4728-95 Reported measurements 44 Figure 38 IEC 60721-3-2 (1997) Random vibration severity 45 Figure 39 IEC 60721-4-2 (1997) Random vibration severity 45 Figure 40 IEC 60721-3-2 (1997) Si
26、nusoidal vibration severity . 46 Figure 41 IEC 60721-4-2 (1997) Sinusoidal vibration severity . 46 Figure 42 IEC 60721-3-2 (1997) Shock severity . 47 Figure 43 IEC 60721-4-2 (1997) Shock severity . 47 Figure 44 IEC 60721-4 (1997) Recommended repeated shock severity . 48 4 TR 62131-3 IEC:2011(E) Tabl
27、e 1 British Rail measurements summary of vibration measurements . 23 Table 2 Association of American Railroads intermodal study as it relates to Figure 11 . 28 Table 3 Association of American Railroads Intermodal study as it relates to Figure 12 29 Table 4 Association of American Railroads Intermoda
28、l study as it relates to Figure 13 30 Table 5 Association of American Railroads intermodal study summary of results from shock measurements 31 Table 6 Association of American Railroads intermodal study summary of results from vibration measurements 31 Table 7 Association of American Railroads Boxcar
29、 measurements distribution of shocks 37 Table 8 Association of American Railroads Railroader measurements as they related to Figure 25 . 38 TR 62131-3 IEC:2011(E) 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ENVIRONMENTAL CONDITIONS VIBRATION AND SHOCK OF ELECTROTECHNICAL EQUIPMENT Part 3: Equipmen
30、t transported in rail vehicles FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions co
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41、nical committee may propose the publication of a technical report when it has collected data of a different kind from that which is normally published as an International Standard, for example “state of the art“. IEC/TR 62131-3, which is a technical report, has been prepared by IEC technical committ
42、ee 104: Environmental conditions, classification and methods of test. 6 TR 62131-3 IEC:2011(E) The text of this technical report is based on the following documents: Enquiry draft Report on voting 104/508/DTR 104/537/RVC Full information on the voting for the approval of this technical report can be
43、 found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all the parts in the IEC 62131 series, under the general title Environmental conditions Vibration and shock of electrotechnical equipment, can b
44、e found on the IEC website. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data rela
45、ted to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this standard may be issued at a later date. IMPORTANT The colour inside logo on the cover page of this publication indicates that it conta
46、ins colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. TR 62131-3 IEC:2011(E) 7 ENVIRONMENTAL CONDITIONS VIBRATION AND SHOCK OF ELECTROTECHNICAL EQUIPMENT Part 3: Equipment transported in rail ve
47、hicles 1 Scope IEC/TR 62131-3, which is a technical report, reviews the available dynamic data relating to electrotechnical equipment transported by rail vehicles. The intent is that from all the available data an environmental description will be generated and compared to that set out in IEC 60721.
48、 For each of the sources identified the quality of the data is reviewed and checked for self consistency. The process used to undertake this check of data quality and that used to intrinsically categorize the various data sources is set out in IEC/TR 62131-1. This technical report primarily addresses data extracted from a number of different sources for which reasonable confidence exist as to their quality and validity. The assessment also presents data for which the quality and validity cannot realistically
