IEC 62770:2013

Title

Language: EN Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment

Language: FR Fluides pour applications électrotechniques - Esters naturels neufs pour transformateurs et matériels électriques analogues

Abstract

Language: EN IEC 62770:2013 describes specifications and test methods for unused natural esters in transformers and similar oil-impregnated electrical equipment in which a liquid is required as an insulating and heat transfer medium. Natural esters with additives are within the scope of this standard. Because of their different chemical composition, natural esters differ from insulating mineral oils and other insulating fluids that have high fire points, such as synthetic esters or silicone fluids. Natural, ester-derived insulating fluids with low viscosity have been introduced but are not covered by this standard. Pertinent properties of such fluids are given in Annex B. This standard is applicable only to unused natural esters. Reclaimed natural esters and natural esters blended with non-natural esters fluids are beyond the scope of this standard.

Language(s)
Language: EN Language: FR
Edition
1.0
Date of issue
19.11.2013
TC 10
ICS Codes
29.040.01
Publication number
62770
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