SIST EN IEC 62641:2022/A11:2022

Conductors for overhead lines - Aluminium and aluminium alloy wires for concentric lay stranded conductors

2020-10-19: This prAA represents common mods to prEN IEC 62641 (PR=72849)

Leiter für Freileitungen - Drähte aus Aluminium und Aluminiumlegierung für Leiter aus konzentrisch verseilten Drähten

Conducteurs pour lignes aériennes - Fils d’aluminium et en alliage d’aluminium pour conducteurs toronnés à couches concentriques

No scope available

Vodniki za nadzemne vode - Žice iz aluminija in aluminijeve zlitine za koncentrično pletene vodnike - Dopolnilo A11

General Information

• Status: Published
• Public Enquiry End Date: 18-Jul-2021
• Publication Date: 14-Nov-2022
• ICS: 29.240.20 - Power transmission and distribution lines
• ICS: 77.150.10 - Aluminium products
• Technical Committee: NVV - Overhead lines and overhead electrical conductors
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 19-May-2022
• Due Date: 24-Jul-2022
• Completion Date: 15-Nov-2022
• Ref Project: EN IEC 62641:2022/A11:2022 - Conductors for overhead lines - Aluminium and aluminium alloy wires for concentric lay stranded conductors

Relations

• Amends: SIST EN IEC 62641:2023 - Conductors for overhead lines - Aluminium and aluminium alloy wires for concentric lay stranded conductors (IEC 62641:2022)
• Effective Date: 23-Jun-2022

Overview

SIST EN IEC 62641:2022/A11:2022 is an important European standard that specifies the requirements for aluminium and aluminium alloy wires used in concentric lay stranded conductors for overhead power lines. Issued by CLC (European Committee for Electrotechnical Standardization), this amendment (A11:2022) introduces technical updates, new materials, and clarifies testing procedures, enhancing the reliability and quality of conductors employed in electrical transmission and distribution networks.

This standard is relevant to the electrical and power transmission industry, with a focus on ensuring performance, safety, and interoperability of overhead line conductors across Europe. The document addresses both the mechanical and electrical properties of wires and considers special national conditions to support regional requirements within the harmonized European market.

Key Topics

• Material Specifications: Updates to material designation, introducing new alloys such as AL7 for improved performance.
• Thermal Resistance: Revised requirements for thermal resistance, ensuring conductors maintain integrity under elevated temperatures.
• Mechanical Properties: Defined minimum mechanical properties, such as tensile strength and wrapping test requirements, to guarantee durability.
• Special National Conditions: Specific practices for countries like France, Austria, and Germany, addressing local conditions and installation requirements.
• Testing Methods: Alignment with established international procedures for resistivity, tensile testing, reverse bend, and wrapping tests.
• Normative References: Integration with other key international standards relevant to conductor manufacturing and testing.

Applications

SIST EN IEC 62641:2022/A11:2022 applies to the following main areas:

• Overhead Power Lines: Used for designing, manufacturing, and verifying aluminium and aluminium alloy wires in concentric lay stranded conductors for overhead transmission and distribution lines.
• Power Transmission & Distribution Networks: Supports enhanced performance and safety in both high-voltage and medium-voltage electrical networks.
• Utility Companies & Manufacturers: Assures utility providers and conductor manufacturers of compliance with EU-wide standards, promoting the interoperability of products across different national grids.
• Engineering & Testing Laboratories: Provides standardized methods and criteria for material inspection, mechanical testing, and acceptance evaluation.
• Infrastructure Projects: Facilitates consistent quality in large-scale energy infrastructure developments, supporting regional harmonization while allowing for national adaptations where required.

Related Standards

Compliance with SIST EN IEC 62641:2022/A11:2022 often requires consideration of other international and European standards, including:

• IEC 60050 (series): International Electrotechnical Vocabulary for standard definitions.
• IEC 60468: Method for measurement of resistivity of metallic materials.
• IEC TR 61597: Calculation methods for stranded bare conductors in overhead lines.
• ISO 6892-1 / EN ISO 6892-1: Metallic materials - Tensile testing at room temperature.
• ISO 7801: Reverse bend test for wire.
• ISO 7802: Wrapping test for metallic wire.

By referencing these standards, SIST EN IEC 62641:2022/A11:2022 ensures alignment with globally recognized best practices, supporting product consistency and safety in overhead conductors.

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Keywords: overhead lines, aluminium conductors, stranded conductors, aluminium alloy wires, power transmission standards, EN IEC 62641, conductor testing, CLC, European electrical standards, mechanical properties, thermal resistance.

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2022
Vodniki za nadzemne vode - Žice iz aluminija in aluminijeve zlitine za koncentrično
pletene vodnike - Dopolnilo A11
Conductors for overhead lines - Aluminium and aluminium alloy wires for concentric lay
stranded conductors
Leiter für Freileitungen - Drähte aus Aluminium und Aluminiumlegierung für Leiter aus
konzentrisch verseilten Drähten
Conducteurs pour lignes aériennes - Fils d’aluminium et en alliage d’aluminium pour
conducteurs toronnés à couches concentriques
Ta slovenski standard je istoveten z: EN IEC 62641:2022/A11:2022
ICS:
29.240.20 Daljnovodi Power transmission and
distribution lines
77.150.10 Aluminijski izdelki Aluminium products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62641:2022/A11

NORME EUROPÉENNE
EUROPÄISCHE NORM May 2022
ICS 29.240.20; 29.060.01
English Version
Conductors for overhead lines - Aluminium and aluminium alloy
wires for concentric lay stranded conductors
Conducteurs pour lignes aériennes - Fils d'aluminium et en Leiter für Freileitungen - Drähte aus Aluminium und
alliage d'aluminium pour conducteurs toronnés à couches Aluminiumlegierung für Leiter aus konzentrisch verseilten
concentriques Drähten
This amendment A11 modifies the European Standard EN IEC 62641:2022; it was approved by CENELEC on 2022-04-11. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 CEN-CENELEC
Management Centre or to any CENELEC member.
This amendment 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 CEN-CENELEC Management Centre has the same status as
the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62641:2022/A11:2022 E

European foreword
This document (EN IEC 62641:2022/A11:2022) has been prepared by CLC/TC 7X “Overhead electrical
conductors”.
The following dates are fixed:
• latest date by which this document has to be implemented (dop) 2023-04-11
at national level by publication of an identical national
standard or by endorsement
• latest date by which the national standards conflicting with (dow) 2025-04-11
this document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website
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