Order Publications

Reference: 378

Technical Brochures

Copper Sulphide in Transformer Insulation

This document deals with various aspects of the problem with copper sulphide in transformer insulation. Possible mechanisms of copper sulphide formation and of failure are discussed, and also the influence of temperature, oxygen content, ageing of the oil, etc. Experiences of mitigation techniques are shared, and recommendations for owners of transformers and reactors are given.

File Size: 771,3 KB

Pages NB: 38

Study Committee:  A2 ?

WG (TF): WG A2.32

Year: 2009

FREE free
Non member
FREE free

Your AccountYour Account


may download free of charge all publications including most recent ones


Non Members

may download free of charge publications over three years old and purchase all publications


A CIGRE membership opens up a range of options for accessing real world power system knowledge from across the whole world.

>> Follow this link for more information