2015•Unpublished venueRequires access

Effect evaluation of Li-ion battery for regenerative energy utilization in traction power supply system

Hitoshi Hayashiya, Takashi Suzuki, Masami Hino, Daisuke Hara, Masateru Tojo, Shigeo Shimada, Kishin Kudo, Tetsuya Kato, Hirotaka Takahashi

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Abstract

Two Lithium ion battery systems have already installed at practical traction substations, HAIJIMA SS and OKEGAWA SS, to utilize regenerative energy in d.c. 1.5kV traction power supply system of East Japan Railway Company. In this paper, the effect of energy storage system for energy saving by making use of regenerative energy is evaluated in detail. According to our experiences, the annual effects of energy storage systems at HAIJIMA SS and OKEGAWA SS are 400MWh/year and 600 or 700MWh/year, respectively.

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Key concepts: Traction (geology), Energy storage, Regenerative brake, Automotive engineering, Energy supply, Battery (electricity), New energy, Power (physics)