Active standard | Published: 08/10/2024

IEC 62770-ed.2.0-CMV

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

Available languages: English

Available design: electronic design (pdf), CD-ROM

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Detail information

Designation: IEC 62770-ed.2.0-CMV

Publication date: 08/10/2024

Pages: 33

Country: International technical standard

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Anotation

IEC 62770:2024 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 62770:2024 edition 2.0 and the previous IEC 62770:2013 edition 1.0. Furthermore, comments from IEC TC 10 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of the content. 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.

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