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IEC 60794-1-119-ed.1.0
Optical fibre cables - Part 1-119: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Aeolian vibration, Method E19
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STANDARD published on 16.7.2025
The information about the standard:
Designation standards: IEC 60794-1-119-ed.1.0
Publication date standards: 16.7.2025
SKU: NS-1226204
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60794-1-119-ed.1.0 :
IEC 60794-1-119:2025 applies to aerial optical fibre cables such as all-dielectric self-supporting (ADSS) cables, optical ground wire (OPGW) cables, and optical phase conductor (OPPC) cables that can be exposed to aeolian vibrations. This document defines the test procedures to establish uniform mechanical performance requirements relating to aeolian vibrations. See IEC 60794-1-2 for general requirements and definitions and for a complete reference guide to test methods of all types. This first edition cancels and replaces test method E19 of the first edition of IEC 60794-1-21 published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 60794-1-21: a) addition of a system to maintain a constant cable tension during the test as well as means to measure the free loop antinode amplitude; b) definition of the cable load which is now fixed to 25 % of the rated tensile strength for OPGW/OPPC, or to the maximum installation tension (MIT) for ADSS cables; c) addition of the target free loop peak-to-peak antinode amplitude to the procedure. The quality of the aeolian vibration motion is done through the average antinode d) addition of fatigue damage and ovality changes of the optical core to 4.5. IEC 60794-1-119:2025 s’applique aux cables a fibres optiques aeriens (ADSS, OPGW et OPPC, par exemple) qui peuvent etre exposes a des vibrations eoliennes. Le present document definit les procedures d’essai a utiliser pour etablir des exigences uniformes en matiere de performances mecaniques et de vibrations eoliennes. Voir l’IEC 60794-1-2 pour connaitre les exigences generales et les definitions et pour obtenir un guide de reference complet sur les methodes d’essai de tous les types. Cette premiere edition annule et remplace la methode d’essai E19 de la premiere edition de l’IEC 60794-1-21 parue en 2015. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a l’IEC 60794-1-21: a) un systeme permettant de maintenir une tension de cable constante pendant la duree de l’essai et des moyens de mesure de l’amplitude de ventre pour une boucle libre ont ete ajoutes a l’appareillage; b) la charge du cable est fixee a 25 % de la charge de rupture assignee pour l’OPGW/OPPC ou a la tension d’installation maximale (MIT) pour le cable ADSS; c) l’amplitude de ventre crete a crete de la boucle libre est a present definie dans la procedure. La qualite du mouvement de vibration eolienne est assuree par la vitesse de crete moyenne du ventre; d) les dommages lies a la fatigue et les variations d’ovalite du cour optique sont inclus en 4.5
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