E DIN EN IEC 62770 VDE 0370-70:2023-07

Fluids for electrotechnical applications

Unused natural esters for transformers and similar electrical equipment

(IEC 10/1195/CDV:2023); German and English version prEN IEC 62770:2023
Class/Status: Draft, valid
Released: 2023 -07 Published: 2023-06 -02
VDE Art. No.: 1300150
End of objection deadline: 2023-08-02

This International Standard describes specifications and test methods for unused natural esters in transformers and similar liquid-impregnated electrical equipment in which a liquid is required as an insulating and heat transfer medium.

This Document is related to the following Topics (in bold):

29	ELECTRICAL ENGINEERING
29.020	Electrical engineering in general
29.035	Insulating materials
29.040	Insulating fluids
29.050	Superconductivity and conducting materials
29.060	Electrical wires and cables
29.080	Insulation
29.100	Components for electrical equipment
29.120	Electrical accessories
29.130	Switchgear and controlgear
29.140	Lamps and related equipment
29.160	Rotating machinery
29.180	Transformers. Reactors
29.200	Rectifiers. Converters. Stabilized power supply
29.220	Galvanic cells and batteries
29.240	Power transmission and distribution networks
29.260	Electrical equipment for working in special conditions
29.280	Electric traction equipment

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E DIN EN IEC 62770 VDE 0370-70:2023-07

Fluids for electrotechnical applications

Unused natural esters for transformers and similar electrical equipment

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