IEC TR 60076-26-2020 pdf free

07-08-2021 comment

IEC TR 60076-26-2020 pdf free.Power transformers – Part 26: Functional requirements of insulating liquids for use in power transformers.
In this document, the functional requirements of insulating liquids that are considered necessary for use in power transformers, including, for example, reactors and HVDC transformers, are assembled and listed. A relevance index of importance for design and for service as well as the status of validation is given for all individual requirements (parameters). All parameters are assigned to one of the following categories:
— General (physical I chemical)
— Dielectric I Insulation
— Thermal / Cooling
— Ageing and Stability
— Liquid-solid system
— Material compatibility
The document is intended to serve as a general reference document for the transformer industry, including liquid suppliers as well as relevant scientific and technical bodies dealing with insulating liquids (materials).
2 Normative references
There are no normative references in this document.
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at
• ISO Online browsing platform: available at
5 Maintenance
Owing to missing or non-updated tests for a significant number of parameters listed in this document at the time of its drafting, the intention is to regularly update it as further tests are developed.IEC TR 60076-26 pdf free download.

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