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나노복합체를 함유한 XLPE의 전류밀도에 미치는 온도의 영향
정현정,양이슬,남진호,남기준,김동욱,Jung, Hyun-Jung,Yang, Yi-Seul,Nam, Jin-Ho,Nam, Gi-Joon,Kim, Dong-Wook 한국전기전자재료학회 2019 전기전자재료학회논문지 Vol.32 No.5
In this study, the volume resistivity of XLPE materials with various voltage ratings was discussed. The volume resistivity of the developed XPLE nanocomposite was measured, and the conductivity mechanism of the material was also examined. The ASTM D 257 and IEC 60093 measurement methods were used for these tests. The equipment was designed to measure up to a temperature of $200^{\circ}C$, and the electrode structure was designed to maintain the thickness and temperature uniformity of the sample. The conductivity of the sample decreased with temperature, and the samples reached saturation within 500s, after which the conductivity leveled off. By analyzing the current density and the electric field, we can well explain the electric conductivity behavior of our sample with the Schottky mechanism.