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전극형상에 의한 초고압 CV케이블 절연체의 부분방전 특성
김균식(Kim Gyun-Sig),김병현(Kim Byug-Hyun),정현기(Jeong Hyeon-Ki),차광석(Cha Kwang-Seok) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
In this thesis, it is investigated that the effect of the cross linked polyethylene(XLPE) insulator do tn breakdown phenomenon by the insertion of the needle and bar electrode into XLPE which is used of electric power cable for the ultra-high voltage. The result of the partial discharge properties in the specimen showed that in case of the insertion of needle or bar electrode into XLPE, the effect of the inner discharge become large when the air void is bigger then the clearance of the electrode of the specimen. The closer the distance between the insulation and needle electrode, it takes less time to the insulation breakdown.