H
Hitoshi Hayashiya
Researcher at East Japan Railway Company
Publications - 78
Citations - 538
Hitoshi Hayashiya is an academic researcher from East Japan Railway Company. The author has contributed to research in topics: Traction substation & Energy storage. The author has an hindex of 12, co-authored 73 publications receiving 459 citations. Previous affiliations of Hitoshi Hayashiya include University of Tokyo.
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Proceedings ArticleDOI
Possibility of energy saving by introducing energy conversion and energy storage technologies in traction power supply system
Hitoshi Hayashiya,Shinya Kikuchi,Kazushi Matsuura,Masami Hino,Masateru Tojo,Kato Tetsuya,Masato Ando,Takatoshi Oikawa,Mitsuru Kamata,Hiroshi Munakata +9 more
TL;DR: In this article, three realized and under construction projects are summarized which enhance efficiency of traction power supply system, including the installation of lithium ion battery at Haijima Substation on February 20th, 2013 to make use of regenerative power in d.c. traction power and will start operation in the end of 2013 fiscal year.
Proceedings ArticleDOI
Potentials, peculiarities and prospects of solar power generation on the railway premises
Hitoshi Hayashiya,Hiroshi Itagaki,Yuichi Morita,Yoshihisa Mitoma,Takayuki Furukawa,Takuya Kuraoka,Yuta Fukasawa,Takatoshi Oikawa +7 more
TL;DR: In this paper, the potentials, peculiarities and prospects of solar power generation system to the platform roofs of the railway station are discussed, and the realization of solar generation system with lithium ion batteries for local station called zero-emission station is also shown.
Proceedings Article
Necessity and possibility of smart grid technology application on railway power supply system
Hitoshi Hayashiya,Hiroshi Yoshizumi,Takashi Suzuki,Takayuki Furukawa,Takatoshi Kondoh,Masayuki Kitano,Takashi Aoki,Takafumi Ishii,Nobuhito Kurosawa,Takamasa Miyagawa +9 more
TL;DR: In this paper, the necessity and future possibility of utilizing regenerative energy and realizing reasonable power supply system based on practical load data is discussed for railway power supply in the smart grid.
Proceedings ArticleDOI
Lithium-ion battery installation in traction power supply system for regenerative energy utilization Initial report of effect evaluation after half a year operation
Hitoshi Hayashiya,Daisuke Hara,Masateru Tojo,Koichi Watanabe,Masami Hino,Takashi Suzuki,Hidetoshi Okamoto,Hirotaka Takahashi,Kato Tetsuya,Masato Teshima +9 more
TL;DR: In this article, the effect of Li-ion battery system installed at HAIJIMA SS is evaluated based on the measured data during the practical operation and it is shown that it contributes to more than 5% reduction of total traction power supply at Haijima Substation.
Proceedings ArticleDOI
Cost impacts of high efficiency power supply technologies in railway power supply - Traction and Station -
Hitoshi Hayashiya,Y. Watanabe,Yuta Fukasawa,Takamasa Miyagawa,A. Egami,T. Iwagami,Shinya Kikuchi,Hiroshi Yoshizumi +7 more
TL;DR: In this paper, the tested and calculated impact of high efficiency power supply and energy saving technologies in railway power supply system for traction and station, office etc. is compared and a comparative study will be instructive to draft a cost target for future development of smart grid and renewable energy technology.