BS EN 50341-2-13-2017 Overhead electrical lines exceeding AC 1 kV National Normative Aspects (NNA) for ITALY (based on EN 50341-1 2012)《超过AC 1 kV的架空电力线路 意大利国家标准方面(NNA) (基于EN 50341-.pdf

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1、BS EN 50341-2-13:2017Overhead electrical linesexceeding AC 1 kVPart 2-13: National Normative Aspects(NNA) for ITALY (based on EN 50341-1:2012)BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 50341-2-13:2017EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 50341-

2、2-13January 2017ICS 29.240.20English VersionOverhead electrical lines exceeding AC 1 kV - Part 2-13:National Normative Aspects (NNA) for ITALY (based on EN50341-1:2012)Lignes lectriques ariennes dpassant 1 kV en courantalternatif - Partie 2-13: Aspects normatifs nationaux (NNA)pour lITALIE (bass sur

3、 lEN 50341-1:2012)This European Standard was approved by CENELEC on 2016-12-13.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hu

4、ngary, Iceland, Ireland, Italy, Latvia,Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,Switzerland, Turkey and the United Kingdom.European Committee for Electrotechnical StandardizationComit Europen de Normalisation Electrot

5、echniqueEuropisches Komitee fr Elektrotechnische NormungCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.Ref. No. EN 50341-2-13:2017 EBS EN 50341-2-13:2017 BRITISH STANDARDNati

6、onal forewordThis British Standard is the UK implementation of EN 50341-2-13:2017. This standard, together with the following list of National NormativeAspect standards, supersedes BS EN 50423-3:2005 and BS EN 50341-3:2001:CountryCodeOrigin RefAT Austrian National Committee BS EN 50341-2-1 BE Belgia

7、n National Committee BS EN 50341-2-2 CH Swiss National Committee BS EN 50341-2-3 DE German National Committee BS EN 50341-2-4:2016DK Danish National Committee BS EN 50341-2-5 ES Spanish National Committee BS EN 50341-2-6 FI Finnish National Committee BS EN 50341-2-7:2015FR French National Committee

8、BS EN 50341-2-8 GB British National Committee BS EN 50341-2-9:2015GR Greek National Committee BS EN 50341-2-10 IE Irish National Committee BS EN 50341-2-11 IS Iceland National Committee BS EN 50341-2-12 IT Italian National Committee BS EN 50341-2-13:2017LU Luxemburg National Committee No NNA availab

9、leNL Nederlands National Committee BS EN 50341-2-15NO Norwegian National Committee BS EN 50341-2-16:2016PT Portuguese National Committee BS EN 50341-2-17SE Swedish National Committee BS EN 50341-2-18 CZ Czech National Committee BS EN 50341-2-19:2015EE Estonian National Committee BS EN 50341-2-20:201

10、5 PL Polish National Committee BS EN 50341-2-22:2016SK Slovak National Committee BS EN 50341-2-23:2016 BS EN 50423-3:2005 and BS EN 50341-3:2001 will be withdrawn uponpublication of the rest of the series.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/11, Overhead Li

11、nes.A list of organizations represented on this committee can be obtainedon request to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application. The British Standards Institution 2017.Published by BSI Stan

12、dards Limited 2017ISBN 978 0 580 96535 7ICS 29.240.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 31 March 2017.Amendments/corrigenda issued since publication D

13、ate Text affectedBS EN 50341-2-13:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 50341-2-13 January 2017 ICS 29.240.20 English Version Overhead electrical lines exceeding AC 1 kV - Part 2-13: National Normative Aspects (NNA) for ITALY (based on EN 50341-1:2012) Lignes lectriques ariennes d

14、passant 1 kV en courant alternatif - Partie 2-13: Aspects normatifs nationaux (NNA) pour lITALIE (bass sur lEN 50341-1:2012) This European Standard was approved by CENELEC on 2016-12-13. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the

15、Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and th

16、e United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any m

17、eans reserved worldwide for CENELEC Members. Ref. No. EN 50341-2-13:2017 E BS EN 50341-2-13:2017Italy - 2/32 - EN 50341-2-13:2017 Contents European foreword . 4 1 Scope 5 1.1 General 5 1.2 Field of application 5 2 Normative references, definitions and symbols . 5 2.1 Normative references 5 2.2 Defin

18、itions . 7 2.3 Symbols . 7 3 Basis of design . 7 3.1 Introduction . 7 3.2 Requirements of overhead lines 7 4 Actions on lines 7 4.1 Introduction . 7 4.3 Wind loads . 8 4.5 Ice loads 12 4.6 Combined wind and ice or snow loads 13 4.7 Temperature effects 13 4.8 Security loads . 15 4.9 Safety loads . 16

19、 4.11 Other special forces 16 4.12 Load cases 17 4.13 Partial factors for actions 18 5 Electrical requirements 18 5.6 Load cases for clearances calculation 18 5.8 Internal clearances within the span and at the top of the tower . 18 5.9 External clearances 20 5.11 Electric and magnetic fields 23 6 Ea

20、rthing systems 24 7 Supports . 24 7.3 Lattice steel towers . 24 7.5 Wood poles 25 7.10 Maintenance facilities 25 8 Foundations 25 8.1 Introduction . 25 8.2 Basis of geotechnical design (EN 1997-1:2004 Section 2) 25 9 Conductors and earth-wires. 26 9.1 Introduction . 26 9.2 Aluminium based conductors

21、 . 26 BS EN 50341-2-13:2017Italy - 3/32 - EN 50341-2-13:2017 9.3 Steel based conductors . 26 9.4 Copper based conductors . 26 9.6 General requirements 27 10 Insulators 27 10.7 Mechanical requirements 27 11 Hardware . 28 11.6 Mechanical requirements 28 12 Quality assurance, checks and taking-over 28

22、Annex J . 30 J.4 Buckling resistance of angle in compression (see 7.3.6.4) 30 J.5 Design resistance for bolted connections (see 7.3.8) 32 J.5.1 General . 32 BS EN 50341-2-13:2017Italy - 2/32 - EN 50341-2-13:2017 Contents European foreword . 4 1 Scope 5 1.1 General 5 1.2 Field of application 5 2 Norm

23、ative references, definitions and symbols . 5 2.1 Normative references 5 2.2 Definitions . 7 2.3 Symbols . 7 3 Basis of design . 7 3.1 Introduction . 7 3.2 Requirements of overhead lines 7 4 Actions on lines 7 4.1 Introduction . 7 4.3 Wind loads . 8 4.5 Ice loads 12 4.6 Combined wind and ice or snow

24、 loads 13 4.7 Temperature effects 13 4.8 Security loads . 15 4.9 Safety loads . 16 4.11 Other special forces 16 4.12 Load cases 17 4.13 Partial factors for actions 18 5 Electrical requirements 18 5.6 Load cases for clearances calculation 18 5.8 Internal clearances within the span and at the top of t

25、he tower . 18 5.9 External clearances 20 5.11 Electric and magnetic fields 23 6 Earthing systems 24 7 Supports . 24 7.3 Lattice steel towers . 24 7.5 Wood poles 25 7.10 Maintenance facilities 25 8 Foundations 25 8.1 Introduction . 25 8.2 Basis of geotechnical design (EN 1997-1:2004 Section 2) 25 9 C

26、onductors and earth-wires. 26 9.1 Introduction . 26 9.2 Aluminium based conductors . 26 BS EN 50341-2-13:2017Italy - 3/32 - EN 50341-2-13:2017 9.3 Steel based conductors . 26 9.4 Copper based conductors . 26 9.6 General requirements 27 10 Insulators 27 10.7 Mechanical requirements 27 11 Hardware . 2

27、8 11.6 Mechanical requirements 28 12 Quality assurance, checks and taking-over 28 Annex J . 30 J.4 Buckling resistance of angle in compression (see 7.3.6.4) 30 J.5 Design resistance for bolted connections (see 7.3.8) 32 J.5.1 General . 32 BS EN 50341-2-13:2017Italy - 4/32 - EN 50341-2-13:2017 Europe

28、an foreword 1. The Italian National Committee (NC) is identified by the following address: Italian Electrotechnical National Committee Via Saccardo 9 20134 Milano Italy Phone n. +39 02 21006.1 Fax n. +39 02 21006210 Committee 11/7 Overhead electrical lines E-Mail ceiceinorme.it. 2. The Italian NC ha

29、s prepared this Part 2-13 (EN 50341-2-13) listing the Italian National Normative Aspects (NNA) under its sole responsibility and duly passed it through the CENELEC and CLC/TC 11 procedures. NOTE: The Italian NC takes sole responsibility for the technically correct co-ordination of this NNA with EN 5

30、0341-1. It has performed the necessary checks in the frame of quality assurance/control. However, it is noted that this quality control has been already made in the framework of the general responsibility of a standards committee under the national laws/regulations. 3. This NNA is normative in Italy

31、 and informative for other countries. 4. This NNA has to be read in conjunction with Part 1 (EN 50341-1). All clause numbers used in this NNA correspond to those of Part 1. Specific subclauses, which are prefixed “IT”, are to be read as amendments to the relevant text in Part 1. Any necessary clarif

32、ication regarding the application of this NNA in conjunction with Part 1, shall be referred to the Italian NC who will, in co-operation with CLC/TC 11, clarify the requirements. When no reference is made in this NNA to a specific subclause, then Part 1 applies. 5. In the case of “boxed values” defin

33、ed in Part 1, amended values (if any), which are defined in this NNA, shall be taken into account in Italy. However, any boxed value, whether defined in Part 1 or in this NNA, shall not be amended in the direction of greater risk in a Project Specification. 6. The national Italian standards/regulati

34、ons related to overhead electrical lines exceeding 1 kV (AC) are listed in subclause 2.1/IT.1 and 2.1/IT.2. NOTE: All national standards referred to in this NNA will be replaced by the relevant European Standards as soon as they become available and are declared by the Italian NC to be applicable an

35、d thus reported to the secretary of CLC/TC 11. BS EN 50341-2-13:2017Italy - 5/32 - EN 50341-2-13:2017 1 Scope 1.1 General (ncpt) IT.1 New overhead line This NNA (National Normative Annex) is only applicable to all new overhead lines equipped with bare conductors, covered conductors or cables, with v

36、oltages above 1kV AC. This standard is not applicable to overhead lines pre-existing before its coming into force and shall not be applied to maintenance or reconductoring; the standard can be applied in case of significant modifications of existing lines. 1.2 Field of application (ncpt) IT.1 Field

37、of application This standard specifies the general safety requirements, clarifies the actions that shall be carried out in the project and their relevant combinations, defines the characteristics of materials, products and any other aspects relevant to safety of electrical overhead lines as reported

38、 in the following clause 2. With reference to structural safety aspects, in absence of specific indications, and as an integration to this standard, the dispositions reported in “Norme tecniche sulle costruzioni” apply (see subclause 2.1). For what concerns structural aspects this standard applies a

39、lso to D.C. overhead lines. For details concerning the application of this standard to telecommunication systems involving optical fibres either incorporated in or wrapped around earth-wires or conductors or suspended from overhead line supports, reference should be made to the Project Specification

40、s. 2 Normative references, definitions and symbols 2.1 Normative references (A-dev) IT.1 National normative laws, government regulations List of Law Decrees, Ministerial Decrees, Decrees of the President of the Ministers Council: In the following text the new Italian Technical Standard, reported in

41、the Ministerial Decree 14.01.2008 promulgated in force of article 5, subsection 2 of Law Decree 28 May 2004 n. 136 turned into law 27.07.2004 n. 186 and the articles 52 e 83 of D.P.R. 06.06.2001, n. 380, contained the “Testo Unico delle disposizioni legislative e regolamentari in materia edilizia” w

42、ill be referred as “Norme tecniche sulle costruzioni”. Decree of the President of the Ministers Council, 23 April 1992. Limiti massimi di esposizione ai campi elettrico e magnetico generati alla frequenza industriale nominale (50 Hz) negli ambienti abitativi e nellambiente esterno. Maximum limits of

43、 exposure to power frequency (50 Hz) electric and magnetic fields in inhabited buildings and external environment. Decree of the Ministers of Public Works and of Internal Affairs, 16 January 1996. Technical standard related to “Criteri generali per la verifica di sicurezza delle costruzioni e dei ca

44、richi e sovraccarichi”. BS EN 50341-2-13:2017Italy - 4/32 - EN 50341-2-13:2017 European foreword 1. The Italian National Committee (NC) is identified by the following address: Italian Electrotechnical National Committee Via Saccardo 9 20134 Milano Italy Phone n. +39 02 21006.1 Fax n. +39 02 21006210

45、 Committee 11/7 Overhead electrical lines E-Mail ceiceinorme.it. 2. The Italian NC has prepared this Part 2-13 (EN 50341-2-13) listing the Italian National Normative Aspects (NNA) under its sole responsibility and duly passed it through the CENELEC and CLC/TC 11 procedures. NOTE: The Italian NC take

46、s sole responsibility for the technically correct co-ordination of this NNA with EN 50341-1. It has performed the necessary checks in the frame of quality assurance/control. However, it is noted that this quality control has been already made in the framework of the general responsibility of a stand

47、ards committee under the national laws/regulations. 3. This NNA is normative in Italy and informative for other countries. 4. This NNA has to be read in conjunction with Part 1 (EN 50341-1). All clause numbers used in this NNA correspond to those of Part 1. Specific subclauses, which are prefixed “I

48、T”, are to be read as amendments to the relevant text in Part 1. Any necessary clarification regarding the application of this NNA in conjunction with Part 1, shall be referred to the Italian NC who will, in co-operation with CLC/TC 11, clarify the requirements. When no reference is made in this NNA

49、 to a specific subclause, then Part 1 applies. 5. In the case of “boxed values” defined in Part 1, amended values (if any), which are defined in this NNA, shall be taken into account in Italy. However, any boxed value, whether defined in Part 1 or in this NNA, shall not be amended in the direction of greater risk in a Project Specification. 6. The national Italian standards/regulations related to overhead electrical lines exceeding 1 kV (AC) are listed in subclause 2.1/IT.1 and 2.1/IT.2. NOTE: All national standards referred to i

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