Dielectric performance of insulating liquids for transformers

Dielectric liquids, in combination with solids, have been used for insulating transformers for more than a century. While mineral oils have dominated the market, new liquids with different molecular structures are now in common use. IEC TC14 recognised this trend and requested information on the functional properties of these new liquids in their Technical Report 60076-26.

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D1

Materials and emerging test techniques

This Technical Brochure has been created by a Working Group from the CIGRE Materials and emerging test techniques Study Committee which is one of CIGRE's 16 domains of work.
The scope of Study Committee D1 covers new and existing materials for electrotechnology, diagnostic techniques and related knowledge rules, as well as emerging test techniques with expected impact on power systems in the medium to long term.

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