EN 50423-3:2005

Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV - Part 3: Set of National Normative Aspects

Notes 1, 2 and 3 are normative in Austria: NOTE 2 The construction of lines with covered conductors (KUF) and reduced internal or external clearance is permitted in Austria. NOTE 4 This NNA applies to overhead lines with nominal voltage exceeding AC 1kV up to and including AC 45 kV and a maximum operating voltage of 52 kV according to ÖVE EN 60071-1. Hereinafter the latter will be described as high voltage overhead lines, group I.

Freileitungen über AC 1 kV bis einschließlich AC 45 kV - Teil 3: Nationale Normative Festlegungen

Lignes électriques aériennes dépassant 1 kV AC jusqu'à 45 kV AC - Partie 3: Aspects Normatifs Nationaux

Nadzemni električni vodi za izmenične napetosti nad 1 kV in do vključno 45 kV – 3. del Zbirka nacionalnih normativnih določil

General Information

• Status: Withdrawn
• Publication Date: 11-Jan-2005
• ICS: 29.240.20 - Power transmission and distribution lines
• Technical Committee: CLC/TC 11 - Overhead electrical lines exceeding 1 kV a.c. (1,5 kV d.c.)
• Drafting Committee: IEC/TC 11 - IEC_TC_11
• Parallel Committee: IEC/TC 11 - IEC_TC_11
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Completion Date: 19-Nov-2016
• Ref Project: SIST EN 50423-3:2005 - Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV -- Part 3: Set of National Normative Aspects

Relations

• Replaced By: EN 50341-1:2012 - Overhead electrical lines exceeding AC 1 kV - Part 1: General requirements - Common specifications
• Effective Date: 28-Jan-2023
• Replaced By: EN 50341-2-8:2017 - Overhead electrical lines exceeding AC 1 kV - Part 2-8: National Normative Aspects (NNA) for France (based on EN 50341-1:2012)
• Effective Date: 27-Jan-2023

Standards Content (Sample)

SLOVENSKI SIST EN 50423-3:2005

STANDARD
julij 2005
Nadzemni električni vodi za izmenične napetosti nad 1 kV in do vključno 45 kV
– 3. del Zbirka nacionalnih normativnih določil
Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV – Part 3:
Set of National Normative Aspects
ICS 29.240.20 Referenčna številka
SIST EN 50423-3:2005(en)
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

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EUROPEAN STANDARD EN 50423-3
NORME EUROPÉENNE
EUROPÄISCHE NORM January 2005

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 électriques aériennes  Freileitungen über AC 1 kV
dépassant 1 kV AC jusqu'à 45 kV AC bis einschließlich AC 45 kV
Partie 3: Aspects Normatifs Nationaux 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 standard 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
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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für 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.

Ref. No. EN 50423-3:2005 E

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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.).

The 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 (dop) 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.

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National Normative Aspects (NNA)
for
AUSTRIA


based on EN 50423-1:2005

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EN 50423-3-1:2005 - 2/39 - Austria

Contents

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 Electrical 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 s
...