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鄭彩均(Chae-Kyun Jung),李鍾範(Jong-Beom Lee),徐在鎬(Je-Ho Seo),姜地原(Ji-Won Kang),李東一(Dong-Il Lee) 대한전기학회 2006 전기학회논문지A Vol.55 No.11
This paper reviews the energy characteristics of oil filled cables in transient state such as grounding fault and lightning surge. Artificial grounding fault test was firstly performed in 2003 for the analysis of arc voltage and breakdown energy according to the fault current. In this paper, energy of OF cable is variously analysed at joint box based on the actual test. Then more various conditions such as installation types, section lengths and CCPU(Cable Covering Protection Unit) connection types are applied for the simulation using EMTP when the single line to ground fault and direct lightning stroke are occurred on actual underground power cable systems and combined power cable systems, respectively. Finally, the energy by the length of crossbonded lead and grounding lead as well as fault lasting time is also calculated using EMTP simulation.