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IEC 62975-ed.1.0
Natural esters - Guidelines for maintenance and use in electrical equipment
Translate name
STANDARD published on 5.1.2021
The information about the standard:
Designation standards: IEC 62975-ed.1.0
Publication date standards: 5.1.2021
SKU: NS-1013745
The number of pages: 73
Approximate weight : 219 g (0.48 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 62975-ed.1.0 :
IEC 62975:2021 provides procedures and guidelines that are intended for the use and maintenance of natural ester liquid in sealed transformers and other electrical equipment. This document is applicable to natural esters, originally supplied conforming to IEC 62770 and other applicable standards (e.g. ASTM D6871) in transformers, switchgear and electrical apparatus where liquid sampling is practical and where the normal operating conditions specified in the equipment specifications apply. At present, there is a limited amount of information available for electrical equipment other than transformers. This document is also intended to assist the power equipment operator to evaluate the condition of the natural ester and maintain it in a serviceable condition. It also provides a common basis for the preparation of more specific and complete local codes of practice. The document includes recommendations on tests and evaluation procedures and outlines methods for reconditioning and reclaiming the liquid, when necessary. IEC 62975:2021 fournit des procedures et des lignes directrices destinees a l’utilisation et a la maintenance d’un liquide a base desters naturels present dans les transformateurs hermetiques et autres materiels electriques. Le present document sapplique aux esters naturels, conformes a l’origine a l’IEC 62770 et aux autres normes applicables (par exemple, l’ASTM D6871) et presents dans les transformateurs, les appareillages de connexion et appareils electriques pour lesquels lechantillonnage de liquide est possible, et avec lesquels les conditions normales de fonctionnement definies dans les specifications des materiels s’appliquent. Actuellement, les informations disponibles concernant les materiels electriques autres que les transformateurs sont limitees. Le present document est egalement destine a aider l’operateur d’un materiel electrique a evaluer l’etat de l’ester naturel et a le maintenir dans un etat d’utilisation. Il fournit egalement une base commune a l’elaboration de codes de bonnes pratiques locaux plus specifiques et plus exhaustifs. Le present document comprend des recommandations concernant les essais et les procedures devaluation, et presente des methodes de retraitement et de regeneration de l’ester liquide si necessaire.
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