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Cable joints are the weakest part of power cable systems due to the presence of an interface between the cable insulation and the insulation of the accessory. Electrical tracking is one of the main failure mechanisms that can occur at dielectric interfaces. Therefore, this paper investigated the effect of interfacial smoothness on the tracking mechanism in XLPE-Si-Rubber interfaces. The interface...
This paper investigates the effect of nano-scale SiO2 on the tracking failure properties of nanocomposites. Test samples were made by dispersing nano-scale SiO2 powder in epoxy with the weight ratios of 0, 1, 3, 5, 7, 9 wt%. AC voltage was applied on a pair of needle-plate electrodes at the surface with the insulation distance of 10 mm. The time to tracking failure and discharge current were recorded...
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