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A Lightning Surge Analysis of Testing Line for Protection of Underground Distribution Systems  

Kim Byoung-Sung (원광대 대학원 전기공학과)
Lee Jang-Geun (원광대 전기전자및정보공학부)
Lee Jong-Beom (한전 전력연구원 배전연구소)
Han Byong-Sook (전북대 전자정보공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers A / v.55, no.8, 2006 , pp. 313-321 More about this Journal
Abstract
This paper describes the overvoltage obtained by surge behavior analysis in testing underground distribution systems. Model systems consist of overhead distribution line and underground cable. Such model system considered various characteristics of actual distribution systems will be soon constructed at testing yard. Simulation is carried out under various states such as cable kinds, cable length, lightning wave and time, and branch circuits. Model is established by EMTP/ATPDraw. Line Constants are calculated by ATP_LCC. When the direct lightning surge strikes on conductor of overhead line, the overvoltage is calculated using EMTP/ATPDraw in many cases. Simulation results will be compared with real testing results at testing yard in the near future. The compared results will be used to establish protection methods in actual underground distribution systems.
Keywords
EMTP; Lightning; Underground Distribution Systems;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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