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	Efficiency Improvement Effect Analysis for Marginal Storage Capacity in DC Electric Railway Systems
Authors	이한상(Lee, Hansang) ; 윤동희(Yoon, Donghee) ; 김형철(Kim, Hyungchul) ; 주성관(Joo, Sung-Kwan) ; 정호성(Jung, Hosung)
DOI	https://doi.org/10.5370/KIEE.2014.63.8.1159
Page	pp.1159-1163
ISSN	1975-8359
Keywords	Energy storage systems ; DC electric railway systems ; Regenerative energy
Abstract	This paper have been dealt with the analysis for energy efficiency improvement effect of unity storage capacity as a part of the energy storage application study to improve energy efficiency in the electric railway systems. Especially, in order to estimate the amount of energy saving according to the variation of power capacity of each storage, the current limit module was mounted on an existing DC electric railway loadflow program which is based on the analysis model for railway system and storages, and combined optimization algorithm to determine optimal voltage boundary.

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