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Transformer is one of the most important components of electric system. Their remaining life largely depends on what degree the insulation has been degraded as a consequence of ageing. Based on our previous investigation, a new type of transformer oil-based nanofluids with TiO2 semiconductive nanoparticles exhibit substantially higher AC and positive impulse breakdown voltage levels than that of pure...
A class of mineral oil-based nanofluid has been developed by modifying mineral oil with TiO2 nanoparticle to enhance their dielectric performance. In this paper, we present the investigation results of aged nanofluids, which have been subjected to accelerated aging condition of 130°C for 6 days. Both AC breakdown voltage and PDIV tests were carried out according to ASTM standards respectively. It...
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