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ILNAS-EN IEC 61854:2020 Edition 04/2020
Overhead lines - Requirements and tests for spacers
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Abstract

IEC 61854:2020 is available as IEC 61854:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61854:2020 applies to spacers for conductor bundles of overhead lines. It covers rigid spacers, flexible spacers and spacer dampers. It does not apply to interphase spacers, hoop spacers and bonding spacers. This document is written to cover the line design practices and spacers most commonly used at the time of writing. There may be other spacers available for which the specific tests reported in this document may not be applicable. In some cases, test procedures and test values are left to agreement between purchaser and supplier and are stated in the procurement contract. The purchaser is best able to evaluate the intended service conditions, which should be the basis for establishing the test severity. In Annex A, the minimum technical details to be agreed between purchaser and supplier are listed. This second edition cancels and replaces the first edition published in 1998. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Consider the application of spacers on high temperature conductors specifying additional high temperature tests in clamp slip tests and for the characterization of elastic and damping properties; b) Specify as far as possible test parameters and acceptance values; c) Avoid as far as possible the alternative procedures for the same test; d) Introduce a simpler test device for the simulated short circuit current test; e) Introduce test at low temperature on fastener components such as break away bolts and conical spring washers; f) Prescribe a different procedure for subspan oscillation tests on spacers equipped with clamps having rod attachments; g) Modify the test procedure for the aeolian vibration tests; h) Prescribe a different procedure for aeolian vibration tests on spacers equipped with clamps having rod attachments; i) Re-edit all the figures in order to make them more clear and homogeneous; j) Introduce an additional test device for the simulated short circuit current test. Key words: Overhead Lines, Spacers

Status

Standard - Active

Origin

Technical Committee :
CLC/TC 11 : Overhead electrical lines exceeding 1 kV a.c. (1,5 kV d.c.)

Implementation

start of the vote on the project    01/02/2019   date of ratification (dor)    24/03/2020
end of the vote on the project    26/04/2019   date of anouncement (doa)    24/06/2020
start of the vote on the final project    25/10/2019   date of publication (dop)    24/12/2020
end of the vote on the final project    06/12/2019   date of withdrawal (dow)    24/03/2023


Publication Official Journal
of the Grand-Duchy of Luxembourg
21/10/2020
Reference Mémorial A N° 856

Relations

Relations to older standards
ILNAS-EN 61854:1998

Relations to international standards
IEC 61854:201X 
IEC 61854:2020 

International Classification for Standards (ICS codes) :

29.240.20 : Power transmission and distribution lines

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