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IEC 62770 Ed.2.0 Edition 10/2024
Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
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Abstract

IEC 62770:2024 describes specifications and test methods for unused natural esters in transformers and similar liquid-immersed electrical equipment in which a liquid is required as an insulating and heat transfer medium. The exposure of natural ester to air leads to deterioration of the insulating liquid. Use of natural esters is therefore restricted to sealed units, or with the conservator tank protected from the contact with atmosphere by a membrane or other suitable system.

Status

Standard - Active

Origin

Technical Committee :
10 : Fluids for electrotechnical applications

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Relations to older standards
IEC 62770 Ed.1.0

International Classification for Standards (ICS codes) :

29.040.01 : Insulating fluids in general

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