BS-EN-50423-3-2005.pdf
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1、BRITISH STANDARD BS EN 50423-3:2005 Incorporating Corrigendum No. 1 Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV Part 3: Set of National Normative Aspects The European Standard EN 50423-3:2005 has the status of a British Standard ICS 29.240.20 ? Licensed Copy: sheffieldun
2、 sheffieldun, na, Mon Nov 06 07:49:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 50423-3:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 15 December 2005 BSI 2006 ISBN 0 580 45605 6 National foreword This British Standard is the of
3、ficial English language version of EN 50423-3:2005, including Corrigendum April 2005. The UK participation in its preparation was entrusted to Technical Committee PEL/11, Overhead lines, which has the responsibility to: A list of organizations represented on this committee can be obtained on request
4、 to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Elec
5、tronic 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 with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to
6、understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cov
7、er, an inside front cover, the EN title page, pages 2 to 370, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 15785 Corrigendum No. 1 31 May 2006Incorpora
8、tion of Corrigendum April 2005 and correction of figures in GB National Normative Aspects Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:49:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 50423-3 NORME EUROPENNE EUROPISCHE NORM January 2005 CENELEC European Committee fo
9、r Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members
10、. Ref. No. EN 50423-3:2005 E ICS 29.240.20 English version Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV Part 3: Set of National Normative Aspects Lignes lectriques ariennes dpassant 1 kV AC jusqu 45 kV AC Partie 3: Aspects Normatifs Nationaux Freileitungen ber AC 1 kV bis
11、 einschlielich AC 45 kV Teil 3: Nationale Normative Festlegungen This European Standard was approved by CENELEC on 2004-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national stand
12、ard 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 in one official version (English). A version in any other language made by
13、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 electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, Fr
14、ance, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Incorporating Corrigendum April 2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:49:1
15、3 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50423-3:2005 2 Foreword The different parts of this European Standard were prepared by the respective CENELEC National Committees in cooperation with the Technical Committee CENELEC TC 11, Overhead electrical lines exceeding 1 kV a.c. (1,5 kV d.c.). Th
16、e texts of the drafts were submitted to the Unique Acceptance Procedure and were approved by CENELEC as EN 50423-3 on 2004-10-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (do
17、p) 2005-10-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2007-10-01 _ Text of EN 50423-3 Please see the subparts specific to each National Committee. NOTE This Part 3 of EN 50423 is published by CENELEC in English only. Licensed Copy: sheffieldun s
18、heffieldun, na, Mon Nov 06 07:49:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI National Normative Aspects (NNA) for AUSTRIA based on EN 50423-1:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:49:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50423-3-1:2005 - 2/39 - Austria Contents
19、1 General scope Field of application 4 2 Definitions, symbols and references 4 2.1 Definitions 4 2.3 References . 5 4 Actions on lines 6 4.3.2 Wind loads . 6 4.3.3 Ice loads . 6 4.3.6 Construction and maintenance loads 7 4.3.10.4 Standard load cases 7 4.3.11 Partial factors for actions . 12 5 Electr
20、ical requirements . 13 5.4 Internal and external clearances . 13 5.4.2.1 General considerations and underlying principles . 13 5.4.3 Clearances within the span and at the tower . 17 5.4.4 Clearances to ground in areas remote from buildings, roads, railways and navigable waterways 18 5.4.5.2 Clearanc
21、es to residential and other buildings . 19 5.4.5.3 Clearances to Line near roads, railways, navigable waterways . 21 5.4.5.4 Clearances to other power lines or overhead telecom. lines 29 5.4.5.5 Clearances to recreational areas . 32 6 Earthing systems . 33 6.3 Construction of earthing systems 33 6.3
22、.1 Installation of earthing electrodes . 33 8 Foundations . 33 8.2 General requirements . 33 8.5.2.1 Geotechnical design by calculation, General . 34 8.5.3 Geotechnical design by prescriptive measures 34 9 Conductors and overhead earthwires (ground wires) with or without telecommunication circuits .
23、 35 9.1 Introduction 35 9.5.6 Test requirements . 35 9.6 General requirements . 37 10 Insulators 37 10.1 General . 37 10.7 Mechanical requirements . 37 10.10 Characteristics and dimensions of insulators . 37 In addition to the given NNA, the following applies for Austria: . 38 TELECOMMUNICATION LINE
24、S CARRIED ON OVERHEAD TRANSMISSION LINES Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 06 07:49:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Austria - 3/39 - EN 50423-3-1:2005 Foreword 1. The Austrian National Committee (NC) is identified by the following address: Austrian Electrotechnical Co
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