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Anti- and de-icing techniques for the power systems have been attractive topics in recent years. Semiconductive silicone rubber coatings have been considered and applied in a few regions of China. This paper focuses on the problem of selecting semiconductive coatings under different ambient temperatures. In order to select the semiconductive coatings, the volume resistivity of the coatings doped with...
The volume resistivity of RTV (room temperature vulcanized silicone rubber) could be adjusted by adding conductive fillers in varying proportions. The ice coating on the surface of porcelain or glass insulator is supposed to be reduced by applying RTV silicone rubber with different volume resistivity in two different ways. Thus, the ice flashover voltage is also supposed to be increased. The reasons...
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