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Silicon rubber is widely employed as insulating materials in transmission lines due to its excellent electrical and mechanical properties. The discharges that happen inevitably during the operation of the composite insulators release too much heat that can cause electrical erosion on the surface of silicon rubber (SiR) insulators. It is known that the aim of improving the resistance to tracking and...
Epoxy/MgO nanocomposites were obtained by mixing nano-MgO particles into neat epoxy with filler loading of 1, 3, 5, 7 wt%. To study the effects of nano-particle content on the tracking failure under dc stress, tracking experiments were carried out. The dc resistance to tracking failure, tracking process and discharge current were measured in relation with the content and the applied voltage. The results...
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