BS EN 50122-1-1998 铁路设施 固定设备 电气安全和接地的防护设备.pdf
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1、BRITISH STANDARD BS EN 50122-1:1998 Railway applications Fixed installations Part 1: Protective provisions relating to electrical safety and earthing The European Standard EN 50122-1:1997 has the status of a British Standard ICS 29.120.50; 29.280,45.020 Licensed Copy: Institute Of Technology Tallagh
2、t, Institute of Technology, Mon Jul 09 10:27:48 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 50122-1:1998 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 May
3、 1998 BSI 05-1999 ISBN 0 580 28765 3 National foreword This British Standard is the English language version of EN 50122-1:1997 published by the European Committee for Electrotechnical Standardization (CENELEC). The UK participation in its preparation was entrusted to Technical Committee PEL/9, Rail
4、way electrotechnical applications, to Subcommittee PEL/9/3, Fixed equipment, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor
5、related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this docum
6、ent may be found in the BSI Standards Catalogue under the section entitled “ International Standards Correspondence Index” , or by using the “ Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of
7、 British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 63 and a back c
8、over. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: Institute Of Technology Tallaght, Institute of Technolo
9、gy, Mon Jul 09 10:27:48 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 50122-1:1998 BSI 05-1999i Contents Page National foreword Inside front cover Foreword2 Text of EN 50122-15 Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jul 09 10:27:48 GMT+00:00 2007, Uncontroll
10、ed Copy, (c) BSI ii blank Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jul 09 10:27:48 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ? EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 50122-1 June 1997 ICS 29.120.50; 45.020 Descriptors: Railway fixed equipment, safe
11、ty, accident prevention, earthing, safety measures, safety devices, protection against live parts, protection against electric shocks English version Railway applications Fixed installations Part 1: Protective provisions relating to electrical safety and earthing Applications ferroviaires Installati
12、ons fixes Partie 1: Mesures de protection relatives la scurit lectrique et la mise la terre Bahnanwendungen Ortsfeste Anlagen Teil 1: Schutzmanahmen in Bezug auf elektrische Sicherheit und Erdung This European Standard was approved by CENELEC on 1996-10-01. CENELEC members are bound to comply with t
13、he CEN/CENELEC Internal Regulations which stipulate the 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
14、or to any CENELEC member. This European Standard exists in 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 offi
15、cial versions. CENELEC members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standard
16、ization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1997 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50122-1:1997 E Li
17、censed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jul 09 10:27:48 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ? EN 50122-1:1997 BSI 05-1999 2 Foreword This European Standard was prepared by SC 9XC, Electrical supply and earthing systems the Technical Committee CENELEC TC 9X,
18、 Electrical and electronic applications for railways. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50122-1 on 1996-10-01. The following dates were fixed: Annexes designated “ normative” are part of the body of the standard. Annexes designat
19、ed “ informative” are given for information only. In this standard, Annex B, Annex E and Annex G are normative and Annex A, Annex C, Annex D, Annex F and Annex H are informative. Contents Page Foreword2 1Scope5 2Normative references5 3Definitions5 4Protective provisions against electric shock in ins
20、tallations for nominal voltages up to and including 1 kV a.c./1,5 kV d.c.11 5Protective provisions against electric shock in installations for nominal voltages in excess of 1 kV a.c./1,5 kV d.c. up to 25 kV a.c. or d.c. to earth23 6Additional protective provisions30 7Protection against the danger of
21、 rail potential42 8Substations and switching stations44 9Return current circuits and earthing conductors*)45 10Means of achieving safe isolation45 11Removing of decommissioned overhead contact lines46 Page Annex A (informative) Typical obstacles47 Annex B (normative) Warning sign49 Annex C (informat
22、ive) Guide values for specific rail potential49 Annex D (informative) Touch/accessible voltage and body current52 Annex E (normative) Measurement methods for touch/accessible voltages55 Annex F (informative) Bibliography55 Annex G (normative) Special national conditions58 Annex H (informative) A-dev
23、iations59 Figure 1 Overhead contact line zone and pantograph zone7 Figure 2 Clearances to accessible live parts on the outside of vehicles as well as to live parts of overhead contact line systems from standing surfaces accessible to persons for nominal voltages up to and including 1 kV a.c./1,5 kV
24、d.c.12 Figure 3 Standing surfaces for persons providing access to live parts on the outside of vehicles and to overhead contact line systems13 Figure 4 Standing surfaces for persons providing access to live parts on the outside of vehicles and to conductor rail systems14 Figure 5 Examples of obstacl
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