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IEC 60587-ed.4.0
Electrical insulating materials used under severe ambient conditions - Test methods for evaluating resistance to tracking and erosion
Translate name
STANDARD published on 30.3.2022
The information about the standard:
Designation standards: IEC 60587-ed.4.0
Publication date standards: 30.3.2022
SKU: NS-1052627
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Other standards related to electricity and magnetismInsulating materials in general
Annotation of standard text IEC 60587-ed.4.0 :
IEC 60587:2022 describes two test methods for the evaluation of electrical insulating materials for use under severe ambient conditions at power frequencies (45 Hz to 65 Hz) by the evaluation of the resistance to tracking and erosion, using a liquid contaminant and inclined plane specimens. The two methods are: - Method 1: test at constant voltage, - Method 2: test at stepwise increased voltage. Method 1 is the most widely used method as there is less need for continual inspection. The test conditions are designed to accelerate the production of the effects, but do not reproduce all the conditions encountered in service. This edition includes the following significant technical changes with respect to the previous edition: a) an improved description of the experimental methods has been implemented; b) an improved description of the preparation of the test specimens has been implemented; c) a more detailed description of the electrode material and of the electrode quality has been added; d) evaluation criterion B (track length) has been removed for testing according to test method 2 (stepwise tracking voltage) as it is not applicable. LIEC 60587:2022 decrit deux methodes dessai pour evaluer les materiaux isolants electriques utilises dans des conditions ambiantes severes a des frequences industrielles (comprises entre 45 Hz et 65 Hz), qui reposent sur levaluation de la resistance au cheminement et a lerosion, a laide dun contaminant liquide et deprouvettes plates inclinees. Les deux methodes sont les suivantes: - Methode 1: essai a tension constante; - Methode 2: essai avec augmentation de tension par paliers. La methode 1 est la plus couramment utilisee, car elle necessite moins de controles en continu. Les conditions dessai sont concues pour accelerer la manifestation des effets, mais elles ne reproduisent pas toutes les conditions rencontrees en service. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: a) une description amelioree des methodes experimentales a ete etablie; b) une description amelioree de la preparation des eprouvettes a ete etablie; c) une description plus detaillee du materiau et de la qualite des electrodes a ete ajoutee; d) le critere devaluation B (longueur de la trace de cheminement) a ete supprime pour les essais selon la methode dessai 2 (tension de cheminement par paliers), car il ne sapplique pas.
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