Journal of Nanotechnology / 2016 / Article / Tab 2

Research Article

Preparation of Three Types of Transformer Oil-Based Nanofluids and Comparative Study on the Effect of Nanoparticle Concentrations on Insulating Property of Transformer Oil

Table 2

Breakdown results of pure oil and different types of nanofluids under positive lightening impulse voltage.

Nanoparticles concentration (%w/v)Fe3O4TiO2Al2O3
Time to breakdown (µs)Average streamer velocity (km/s)Time to breakdown (µs)Average streamer velocity (km/s)Time to breakdown (µs)Average streamer velocity (km/s)

013.031.9113.031.9113.031.91
514.121.7713.941.7914.231.75
1014.631.7014.061.7714.771.69
2013.671.8213.071.9115.621.60
4013.201.8912.901.9314.511.72

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