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XLPE 절연체에서의 열이력에 의한 전기, 물리적 특성 평가
이상진(Sang-Jin Lee),심성익(Sung-Ik Shim),전승익(Seung-Ik Jeon) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.5
The aim of this study is to find out the effects of thermal aging condition on dielectric strength and degree of crtstallinity of XLPE insulation. Thermal properties of XLPE insulation were investigated by DSC(differential scanning calorimetry) and dielectric strength were analyzed using AC BDV tester. Aging of XLPE samples were conducted through different four conditions. The degree of crystallinity and AC BDV were changed by thermal history. From these results, it can be suggested that DSC and AC BDV test are suitable for diagnostic method of extra high voltage XLPE cable.