00949nam a2200229 a 4500001001300000005001500013007000300028008004100031041001300072049003000085052001900115056001300134082001700147100004800164245024700212260003200459300004200491502009400533504003200627546003500659900002500694KDM20104575520200720143111ta100920s2010    ulkad    m AC 000   eng  0 aengbkor0 lWM629704lWM629705c2fDP02a621.3121bY51d  a563.12501a621.31212211 a이한상,g李漢相,d1980-0KAC20161765710aDevelopment of a novel powerflow algorithm for energy storage optimization in dc electric railway systems =x直流都市鐵道 시스템 潮流計算 알고리즘을 利用한 에너지 貯藏裝置 最適 活用 方案 硏究 /dHansang Lee  aSeoul :bKorea Univ.,c2010  ax, 89 leaves :bill., charts ;c26 cm1 aThesis(Ph.D.) --bGraduate School, Korea Univ.,cSchool of Electrical Engineering,d2010.  aBibliography: leaves 58-64.  aIn English; summary in Korean.10aLee, Hansang,d1980-