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IEC 62770:2024 ED2

Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment IEC 62770:2024 ED2

Publication date:   Oct 8, 2024

General information

60.60 Standard published   Oct 8, 2024

IEC

TC 10

International Standard

29.040.01   Insulating fluids in general

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 62770:2013 ED1

NOW

PUBLISHED
IEC 62770:2024 ED2
60.60 Standard published
Oct 8, 2024