IEC 61881-2-2012 Railway applications - Rolling stock equipment - Capacitors for power electronics - Part 2 Aluminium electrolytic capacitors with non-solid ele.pdf

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1、 IEC 61881-2 Edition 1.0 2012-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Railway applications Rolling stock equipment Capacitors for power electronics Part 2: Aluminium electrolytic capacitors with non-solid electrolyte Applications ferroviaires Matriel roulant Condensateurs pour lectronique de

2、puissance Partie 2: Condensateurs lectrolytiques laluminium, lectrolyte non solide IEC61881-2:2012 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or

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16、z des questions contactez-nous: csciec.ch. IEC 61881-2 Edition 1.0 2012-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Railway applications Rolling stock equipment Capacitors for power electronics Part 2: Aluminium electrolytic capacitors with non-solid electrolyte Applications ferroviaires Matriel

17、roulant Condensateurs pour lectronique de puissance Partie 2: Condensateurs lectrolytiques laluminium, lectrolyte non solide INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE U ICS 45.060 PRICE CODE CODE PRIX ISBN 978-2-83220-259-3 Registered trademark of the Inter

18、national Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 61881-2 IEC:2012

19、 CONTENTS FOREWORD . 5 1 Scope . 7 2 Normative references . 7 3 Terms and definitions . 8 4 Service conditions 10 4.1 Normal service conditions . 11 4.1.1 General . 11 4.1.2 Altitude 11 4.1.3 Temperature 11 4.2 Unusual service conditions 11 5 Quality requirements and tests . 12 5.1 Test requirements

20、 . 12 5.1.1 General . 12 5.1.2 Test conditions 12 5.1.3 Measurement conditions 12 5.1.4 Voltage treatment 12 5.1.5 Thermal treatment . 12 5.2 Classification of tests 12 5.2.1 General . 12 5.2.2 Type tests . 13 5.2.3 Routine tests . 13 5.2.4 Acceptance tests . 14 5.3 Capacitance and tangent of loss a

21、ngle (tan) 14 5.3.1 Capacitance 14 5.3.2 Tangent of loss angle (tan) 14 5.4 Leakage current 14 5.4.1 Capacitor cell 14 5.4.2 Capacitor module or bank 14 5.5 Insulation test between terminals and case . 14 5.5.1 Capacitor cell 14 5.5.2 Capacitor module or bank 15 5.6 Sealing test . 15 5.7 Surge disch

22、arge test (under consideration) . 15 5.7.1 General . 15 5.7.2 Preconditioning 15 5.7.3 Initial measurement . 15 5.7.4 Test methods . 15 5.7.5 Post treatment . 16 5.7.6 Final measurement 16 5.7.7 Acceptance criteria 16 5.8 Environmental testing 16 5.8.1 Change of temperature 16 5.8.2 Damp heat, stead

23、y state 17 5.9 Mechanical testing 18 5.9.1 Mechanical tests of terminals 18 61881-2 IEC:2012 3 5.9.2 External inspection 18 5.9.3 Vibration and shocks . 18 5.10 Endurance test 18 5.10.1 General . 18 5.10.2 Preconditioning 18 5.10.3 Initial measurements . 18 5.10.4 Test methods . 18 5.10.5 Post treat

24、ment . 19 5.10.6 Final measurement 19 5.10.7 Acceptance criteria 19 5.11 Pressure relief test 19 5.12 Passive flammability 19 6 Overloads . 19 6.1 Maximum permissible voltage 19 6.2 Maximum permissible current 20 7 Safety requirements . 20 7.1 Discharge device . 20 7.2 Case connections (grounding) .

25、 20 7.3 Protection of the environment 20 7.4 Other safety requirements . 20 8 Marking 21 8.1 Marking of the capacitor 21 8.1.1 Capacitor cell 21 8.1.2 Capacitor module or bank 21 8.2 Data sheet . 21 9 Guidance for installation and operation . 22 9.1 General . 22 9.2 Choice of rated voltage . 22 9.3

26、Operating temperature 22 9.3.1 Life time of capacitor . 22 9.3.2 Installation . 22 9.3.3 Unusual cooling conditions 23 9.4 Over voltages 23 9.5 Overload currents 23 9.6 Switching and protective devices . 23 9.7 Dimensioning of creepage distance and clearance 24 9.8 Connections 24 9.9 Parallel connec

27、tions of capacitors . 24 9.10 Series connections of capacitors . 24 9.11 Magnetic losses and eddy currents 24 9.12 Guide for unprotected capacitors . 24 Annex A (informative) Terms and definitions of capacitors . 25 Bibliography 26 Figure 1 Examples of preferred vent and anode position 23 Figure A.1

28、 Example of capacitor application in capacitor equipment 25 Table 1 Classification of tests 13 4 61881-2 IEC:2012 Table 2 Damp heat steady-state test 17 Table 3 Testing the robustness of terminals . 18 61881-2 IEC:2012 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RAILWAY APPLICATIONS ROLLING STOCK

29、EQUIPMENT CAPACITORS FOR POWER ELECTRONICS Part 2: Aluminium electrolytic capacitors with non-solid electrolyte FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees

30、). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available S

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32、ions liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matte

33、rs express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

34、 Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC

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36、does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they

37、 have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature wh

38、atsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publ

39、ications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International St

40、andard IEC 61881-2 has been prepared by technical committee 9: Electrical equipment and systems for railways. The text of this standard is based on the following documents: FDIS Report on voting 9/1679/FDIS 9/1707/RVD Full information on the voting for the approval of this standard can be found in t

41、he report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 6 61881-2 IEC:2012 A list of all parts of IEC 61881 series, under the general title Railway applications Rolling stock equipment Capacitors for power electronics, ca

42、n be found on the IEC website. 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 related to the specific publication. At this date, the publication will be reconfirmed

43、, withdrawn, replaced by a revised edition, or amended. 61881-2 IEC:2012 7 RAILWAY APPLICATIONS ROLLING STOCK EQUIPMENT CAPACITORS FOR POWER ELECTRONICS Part 2: Aluminium electrolytic capacitors with non-solid electrolyte 1 Scope This part of IEC 61881 applies to d.c. aluminium electrolytic capacito

44、rs (cell, module and bank) for power electronics intended to be used on rolling stock. This standard specifies quality requirements and tests, safety requirements, and describes installation and operation information. NOTE Example of the application for capacitors specified in this Standard; d.c. fi

45、ltering, etc. Capacitors not covered by this Standard: IEC 61881-1: Paper/plastic film capacitors; IEC 61881-3: Electric double-layer capacitors. Guidance for installation and operation is given in Clause 9. 2 Normative references The following documents, in whole or in part, are normatively referen

46、ced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60062:2004, Marking codes for resistors and capacitors IEC 60068-2-14:20

47、09, Environmental testing Part 2-14: Tests Test N: Change of temperature IEC 60068-2-17:1994, Environmental testing Part 2-17: Tests. Test Q: Sealing IEC 60068-2-20, Environmental testing Part 2-20: Tests Test T: Test methods for solderability and resistance to soldering heat of devices with leads I

48、EC 60068-2-21:2006, Environmental testing Part 2-21: Tests Test U: Robustness of terminations and integral mounting devices IEC 60068-2-78, Environmental testing Part 2-78: Tests Test Cab: Damp heat, steady state IEC 60384-1:2008, Fixed capacitors for use in electronic equipment Part 1: Generic spec

49、ification IEC 60384-4:2007, Fixed capacitors for use in electronic equipment Part 4: Sectional specification Aluminium electrolytic capacitors with solid (MnO2) and non-solid electrolyte 8 61881-2 IEC:2012 IEC 60721-3-5:1997, Classification of environmental conditions Part 3: Classification of groups of environmental parameters and their severities Section 5: