Effect of TiO2 nanoparticles on the performance of a natural ester dielectric fluid
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AuthorFernández Diego, Cristina; Santisteban Díaz, Agustín; Ortiz Fernández, Félix; Delgado San Román, Fernando; Ortiz Fernández, Alfredo
Mineral oil has been frequently used in most of high voltage transformers. However, this oil has started to be replaced by vegetable oils. Additionally, different authors have found that mineral oil-based nanofluids have a potential in improving insulating properties of transformer oil. In order to improve the characteristics of a commercial vegetal oil, this work has used TiO2 nanoparticles to obtain a nanofluid whose ageing behavior at 150°C for 300 hours has been studied.