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한전 배전 계통을 이용한 2단장주의 불평형 부하에 따른 중성선 전류의 영향에 관한 연구
朴乾祐(K. W. Park),徐熏徹(H. C. Seo),金喆煥(C. H. Kim),鄭昌守(C. S. Jung),柳然杓(Y. P. Yoo),林勇勳(Y. H. Lim),李元正(W. J. Lee) 대한전기학회 2007 전기학회논문지 Vol.56 No.3
The one step type pole and two step type pole are used in KEPCO's distribution system. The neutral current increases in three-phase four-wire distribution system due to unbalanced load. Usually, power line and communication line are installed at contiguity by effect of topography in Korea. To this end, the damages such as electrostatic induction, electromagnetic induction and harmonic induction generated by induced voltage and current are occured in power line and communication line. This paper calculates the neutral current in KEPCO's distribution system using EMTP by composing various simulated conditions. Also, these results are verified by vector analysis.