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Publication details

Publication CODE Title
IEC 62770:2013 (2013-11) FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
 
Price Excl. VAT Total number of pages, tables and drawings
122.00 € 34 P..
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.
Class  C990  (IEC PUBLICATIONS IEC PUBLICATIONS)
Available files
EN/FR version

Status
Status IEC PUBLICATION
Situation Currently active
Origin
Committee TC 10
FLUIDS FOR ELECTROTECHNICAL APPLICATIONS
Responsible Monsieur DE LEEUW Thierry, Technical Officer
Diamant Building Bd Auguste Reyers, 80
1030  BRUXELLES
Phone: +32 2 706 85 72
E-mail: thierry.deleeuw@ceb-bec.be
Approval
BEC Approval 2013-11-19
ICS-Code (International Standards Classification) 29.040.01
NBN Status New
IEC publication date 2013-11-19
IEC stability date 2021-12-31
IEC file modification date 2013-11-15
IEC last modification date 2019-11-01