IEC 62770:2013

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Fluids for electrotechnical applications – Unused natural esters for transformers and similar electrical equipment

Published By	Publication Date	Number of Pages
IEC	2013-11-19	38

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Categories: 29.040.01 - Insulating fluids in general, IEC

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Description

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.

Additional information

Published Code	IEC
Published By	International Electrotechnical Commission
Publication Date	2013-11-19
Pages Count	38
Language	France
Edition	1.0
File Size	1.0 MB
ICS Codes	29.040.01 - Insulating fluids in general

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IEC 62770:2013

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