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The assessment of the ageing state of MV/LV distribution transformers is an important issue for operators and managers of the electrical network. The objective of this study is thus to find a simple and robust method to assess the degradation of paper inside transformers. So, this article presents investigations carried out on some real MV/LV transformers about the use of methanol (MeOH) and 2-furfural...
The life of a transformer is limited to the deterioration of its solid insulation. Winding conductors and other solid insulation materials in oil-immersed transformers have been insulated using cellulose products. For many years, manufacturers have met the needs of special applications by designing transformers using thermally upgraded materials to achieve lighter weight, higher power density and...
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