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IEC 61854-ed.2.0
Overhead lines - Requirements and tests for spacers
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STANDARD published on 18.2.2020
The information about the standard:
Designation standards: IEC 61854-ed.2.0
Publication date standards: 18.2.2020
SKU: NS-984512
The number of pages: 98
Approximate weight : 325 g (0.72 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 61854-ed.2.0 :
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 IEC 61854:2020 sapplique aux entretoises destinees aux faisceaux de conducteurs de lignes aeriennes. Il couvre les entretoises rigides, les entretoises souples et les entretoises amortisseuses. Il ne sapplique pas aux espaceurs, aux ecarteurs a anneaux et aux entretoises de mise a la terre. Le present document a ete elabore pour couvrir les pratiques de conception de lignes, ainsi que les entretoises les plus couramment utilisees au moment de sa redaction. Il peut exister dautres entretoises pour lesquelles les essais specifiques decrits dans le present document peuvent ne pas sappliquer. Dans certains cas, les procedures dessai et les valeurs dessai sont convenues entre lacheteur et le fournisseur et sont indiquees dans le contrat dapprovisionnement. Lacheteur est le mieux a meme devaluer les conditions de service prevues, quil convient dutiliser comme base pour la definition de la severite des essais. LAnnexe A repertorie les informations techniques minimales a convenir entre lacheteur et le fournisseur. Cette deuxieme edition annule et remplace la premiere edition parue en 1998. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: a) prise en compte de lapplication des entretoises sur des conducteurs haute temperature, avec la specification dessais a haute temperature supplementaires dans le cadre des essais de glissement des pinces et la caracterisation des proprietes elastiques et damortissement; b) specification la plus large possible des parametres dessai et des valeurs de reception associees; c) affranchissement, dans la mesure du possible, par rapport aux procedures alternatives pour le meme essai; d) introduction dun dispositif dessai plus simple pour lessai de courant de court-circuit simule; e) introduction dun essai a basse temperature sur les composants de fixation tels que les boulons fusibles et les rondelles elastiques coniques; f) prescription dune procedure differente pour les essais doscillation de sous-portee sur les entretoises equipees de pinces avec garnitures; g) modification de la procedure dessai pour les essais de vibrations eoliennes; h) prescription dune procedure differente pour les essais de vibrations eoliennes sur les entretoises equipees de pinces avec garnitures; i) reprise de lensemble des figures afin de les rendre plus claires et homogenes; j) introduction dun dispositif dessai supplementaire pour lessai de courant de court-circuit simule. Mots-cles: lignes aeriennes, entretoises
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