KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Operation Effectiveness Evaluation According to Conductor Transposition Adoption in Underground Power Cable Systems
Authors	김준(Kim, June) ; 이종범(Lee, Jong-Beom)
DOI	https://doi.org/10.5370/KIEE.2014.63.5.636
Page	pp.636-643
ISSN	1975-8359
Keywords	EMTP ; Underground power cable ; Transposition ; Untransposition
Abstract	Length of most underground power cable in nation is not so long. Therefore it is operated without conductor transposition due to low unbalanced ratio. However, if cable length is long, line constant of each cable will be different. Different line constant can induce unbalanced voltage and current of sheath. Also it can induce several induced interference. This paper describes the operation effectiveness through steady and transient analysis on transposition and untransposition of cable conductor. Especially sheath current and induced voltage are analyzed and compared in case of transposition and untransposition. EMTP is used for modeling and analysis.

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