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IEC 60112-ed.5.0
Method for the determination of the proof and the comparative tracking indices of solid insulating materials
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STANDARD published on 28.10.2020
The information about the standard:
Designation standards: IEC 60112-ed.5.0
Publication date standards: 28.10.2020
SKU: NS-1008664
The number of pages: 45
Approximate weight : 135 g (0.30 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Electrical and electronic testingInsulating materials in general
Annotation of standard text IEC 60112-ed.5.0 :
IEC 60112:2020 specifies the method of test for the determination of the proof and comparative tracking indices of solid insulating materials on pieces taken from parts of equipment and on plaques of material using alternating voltage. This document provides a procedure for the determination of erosion when required. This test method evaluates the composition of the material as well as the surface of the material being evaluated. Both the composition and surface condition directly influence the results of the evaluation and are considered when using the results in material selection process. Test results are not directly suitable for the evaluation of safe creepage distances when designing electrical apparatus. This basic safety publication focusing on a safety test method is primarily intended for use by technical committees in the preparation of safety publications in accordance with the principles laid down in IEC Guide 104 and lSO/lEC Guide 51. This edition includes the following significant technical changes with respect to the previous edition: Introduction of a new contaminant, solution C with a surfactant aligned with the test method of IEC 60587. The definition of the solution B was transferred to Annex B for backward reference. Introduction of a screening test, considering the fact that some materials can withstand high test voltages, but fail at lower test voltages. It has the status of a basic safety publication in accordance with IEC Guide 104. LIEC 60112:2020 specifie la methode d’essai pour la determination des indices de resistance et de tenue au cheminement des materiaux isolants solides sur des echantillons preleves sur des parties dequipement et des plaques de materiau en utilisant une tension alternative. Le present document fournit une procedure pour la determination de la valeur de l’erosion quand cela est exige. Cette methode d’essai evalue la composition et la surface du materiau soumis a l’essai. La composition et les conditions de surface influencent directement les resultats de l’evaluation et sont prises en consideration lors de l’utilisation des resultats au moment de la selection des materiaux. Les resultats d’essais tels quels ne sont pas adaptes a l’evaluation des lignes de fuite de securite lors de la conception des appareils electriques. La presente publication fondamentale de securite portant sur une methode d’essai de securite est avant tout destinee a etre utilisee par les comites d’etudes dans le cadre de l’elaboration de publications de securite, conformement aux principes etablis dans le Guide IEC 104 et le Guide lSO/lEC 51. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: Introduction d’un nouveau contaminant, la solution C, avec un tensioactif aligne sur la methode d’essai de l’IEC 60587. Transfert a l’Annexe B de la definition de la solution B pour reference arriere. Introduction d’un essai de deverminage, en tenant compte du fait que certains materiaux peuvent supporter des tensions d’essai elevees, mais pas des tensions d’essai plus basses. Elle a le statut de publication fondamentale de securite, conformement au Guide IEC 104.
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