The research team led by Kim Ryul, a researcher at the Faculty of Electrical Engineering, has developed metallic oxide lightning arrester for high voltage based on the domestic resources, thus contributing to the regular operation of electric equipment.
The non-interval metallic oxide lightning arrester is made by sintering the mixture of zinc oxide and other oxides such as arsenic oxide, aluminium oxide at over 1 150℃. The voltage degree of nonlinear resistance of the metallic oxide lightning arrester is over 318V/mm.
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