IEC 62128-3-2013 Railway applications - Fixed installations - Electrical safety earthing and the return circuit - Part 3 Mutual interaction of a.c and d.c tract.pdf

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1、 IEC 62128-3 Edition 1.0 2013-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Railway applications Fixed installations Electrical safety, earthing and the return circuit Part 3: Mutual interaction of a.c. and d.c. traction systems Applications ferroviaires Installations fixes Scurit lectrique, mise l

2、a terre et circuit de retour Partie 3: Interactions mutuelles entre systmes de traction en courant alternatif et en courant continu IEC62128-3:2013 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2013 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publica

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16、commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62128-3 Edition 1.0 2013-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Railway applications Fixed installations Electrical safety, earthing and the return circuit Part 3: Mutual interaction of a.c. and d

17、.c. traction systems Applications ferroviaires Installations fixes Scurit lectrique, mise la terre et circuit de retour Partie 3: Interactions mutuelles entre systmes de traction en courant alternatif et en courant continu INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNA

18、TIONALE V ICS 45.060 PRICE CODE CODE PRIX ISBN 978-2-8322-1034-5 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuill

19、ez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 62128-3 IEC:2013 CONTENTS FOREWORD . 4 1 Scope . 6 2 Normative references . 7 3 Terms and definitions . 7 4 Hazards and adverse effects 7 4.1 General . 7 4.2 Electrical safety of persons . 7 5 Types of mutual interacti

20、on to be considered 7 5.1 General . 7 5.2 Galvanic coupling 8 5.2.1 AC and d.c. return circuits not directly connected 8 5.2.2 AC and d.c. return circuits directly connected or common 8 5.3 Non-galvanic coupling . 9 5.3.1 Inductive coupling 9 5.3.2 Capacitive coupling . 9 6 Zone of mutual interactio

21、n 9 6.1 General . 9 6.2 AC . 9 6.3 DC 10 7 Touch voltage limits for the combination of alternating and direct voltages . 10 7.1 General . 10 7.2 Touch voltage limits for long-term conditions . 11 7.3 AC system short-term conditions and d.c. system long-term conditions . 12 7.4 AC system long-term co

22、nditions and d.c. system short-term conditions . 13 7.5 AC system short-term conditions and d.c. system short-term conditions 14 7.6 Workshops and similar locations . 14 8 Technical requirements and measures inside the zone of mutual interaction 15 8.1 General . 15 8.2 Requirements if the a.c. railw

23、ay and the d.c. railway have separate return circuits 15 8.2.1 General . 15 8.2.2 Return circuit or parts connected to the return circuit located in the OCLZ and/or CCZ of the other system . 15 8.2.3 Common buildings and common structures 16 8.2.4 Inductive and capacitive coupling 17 8.3 Requirement

24、s if the a.c. railway and the d.c. railway have common return circuits and use the same tracks . 17 8.3.1 General . 17 8.3.2 Measures against stray current 17 8.3.3 Common structures and common buildings 18 8.3.4 Exceptions . 18 8.3.5 Design of overhead contact line . 18 8.3.6 Inductive and capaciti

25、ve coupling 18 8.4 System separation sections and system separation stations 18 Annex A (informative) Zone of mutual interaction . 20 Annex B (informative) Analysis of combined voltages 26 62128-3 IEC:2013 3 Annex C (informative) Analysis and assessment of mutual interaction . 31 Bibliography 32 Fig

26、ure 1 Maximum permissible combined effective touch voltages (excluding workshops and similar locations) for long-term conditions . 12 Figure 2 Maximum permissible combined effective touch voltages under a.c. short-term conditions and d.c. long-term conditions . 13 Figure 3 Maximum permissible combin

27、ed effective touch voltages under a.c. long-term conditions and d.c. short-term conditions 14 Figure 4 Maximum permissible combined effective touch voltages in workshops and similar locations excluding short-term conditions. 15 Figure 5 Example of where a VLD shall be suitable for both alternating a

28、nd direct voltage 16 Figure A.1 Overview of voltages coupled as function of distance and soil resistivity I 21 Figure A.2 Overview of voltages coupled as function of distance and soil resistivity II . 22 Figure A.3 Relation between length of parallelism and zone of mutual interaction caused by an a.

29、c. railway 23 Figure B.1 Definition of combined peak voltage 27 Figure B.2 Overview of permissible combined a.c. and d.c. voltages 28 Figure B.3 Overview of permissible voltages in case of a duration 1,0 s for both a.c. voltage and d.c. voltage . 29 Figure B.4 Permissible voltages in case of a durat

30、ion of 0,1 s a.c. voltage and a duration of 300 s d.c. voltage 30 4 62128-3 IEC:2013 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RAILWAY APPLICATIONS FIXED INSTALLATIONS ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT Part 3: Mutual interaction of a.c. and d.c. traction systems FOREWORD 1) The In

31、ternational 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 concerning standardization in the electrical and el

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41、he 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 Standard IEC 62128-3 has been prepared by IEC technical committee 9: Electrical equipment and systems for railways. This standard is

42、 based on EN 50122-3. The text of this standard is based on the following documents: FDIS Report on voting 9/1805/FDIS 9/1838/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. 62128-3 IEC:2013 5 This publication ha

43、s been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IEC 62128 series, published under the general title Railway applications Fixed installations Electrical safety, earthing and the return circuit, can be found on the IEC website. The committee has decided tha

44、t 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, withdrawn, replaced by a revised edition, or amended. 6 62

45、128-3 IEC:2013 RAILWAY APPLICATIONS FIXED INSTALLATIONS ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT Part 3: Mutual interaction of a.c. and d.c. traction systems 1 Scope This part of IEC 62128 specifies requirements for the protective provisions relating to electrical safety in fixed installat

46、ions, when it is reasonably likely that hazardous voltages or currents will arise for people or equipment, as a result of the mutual interaction of a.c. and d.c. electric traction systems. It also applies to all aspects of fixed installations that are necessary to ensure electrical safety during mai

47、ntenance work within electric traction systems. The mutual interaction can be of any of the following kinds: parallel running of a.c. and d.c. electric traction systems; crossing of a.c. and d.c. electric traction systems; shared use of tracks, buildings or other structures; system separation sectio

48、ns between a.c. and d.c. electric traction systems. Scope is limited to basic frequency voltages and currents and their superposition. This standard does not cover radiated interferences. This standard applies to all new lines, extensions and to all major revisions to existing lines for the followin

49、g electric traction systems: a) railways; b) guided mass transport systems such as: 1) tramways, 2) elevated and underground railways, 3) mountain railways, 4) trolleybus systems, and 5) magnetically levitated systems, which use a contact line system; c) material transportation systems. The standard does not apply to: d) mine traction systems in underground mines; e) cranes, transportab