Publikasjoner og ansvarsområder
Transformer Windings Ageing, diagnosis and asset management. Version 4
This report addresses state of the art in the field of transformer ageing and diagnostics, with emphasis on advising end-users on transformer asset management and on transformer specification. The basis is results from two projects on laboratory studies on ageing of mineral oil impregnated cellulose...
Ageing of mineral oil impregnated cellulose by acid catalysis
Electrocoalescence for Oil-Water Separation: Fundamental Aspects
Review of test method for dielectric properties of liquids for HV transformer application
Ageing of kraft and thermally upgraded oil impregnated paper
Ageing of oil-impregnated paper in Power transformers
The effects of moisture, oxygen, and acidity upon the aging of Kraft and thermally upgraded ("Insuldur®") papers have been studied in detail. The results for Kraft are consistent with the kinetic model and parameters proposed earlier by Emsley et al., and with the principle that moisture promotes ac...