Technological feasibility of coaxial contactless power transmission for traction power supply

Kenta Moriki, Atsuo Kawamura, Tomoyuki Shimono, Takahiro Nozaki, Kunio Ikeda, Junichi Sato, Hitoshi Hayashiya, Hiroshi Yamamoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

This paper discusses feasibility of contactless power transmission technology for power supply in electrical railways. In recent years, contactless power transfer has been developed because of convenience for charging electric vehicles and electric railways. However, the efficiency of the contactless power transmission is lower than conventional contact power transmission. Furthermore, in order to transfer megawatt power, large size core is required. To accomplish high efficiency and high power density, new power transmission system based on a coaxial cable model with an air gap is presented in this paper. Mathematical model and some simulation results are shown for verification of the proposed system. Power transmission efficiency of 92.7 % is achieved in preliminary experiments.

Original languageEnglish
Title of host publication16th International Power Electronics and Motion Control Conference and Exposition, PEMC 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages967-972
Number of pages6
ISBN (Electronic)9781479920600
DOIs
Publication statusPublished - 2014 Dec 9
Event16th International Power Electronics and Motion Control Conference and Exposition, PEMC 2014 - Antalya, Turkey
Duration: 2014 Sep 212014 Sep 24

Publication series

Name16th International Power Electronics and Motion Control Conference and Exposition, PEMC 2014

Other

Other16th International Power Electronics and Motion Control Conference and Exposition, PEMC 2014
CountryTurkey
CityAntalya
Period14/9/2114/9/24

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Keywords

  • Coaxial transfer
  • Contactless power transfer system
  • Core structure
  • Efficiency
  • Electric railway
  • Toroidal core

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology

Cite this

Moriki, K., Kawamura, A., Shimono, T., Nozaki, T., Ikeda, K., Sato, J., Hayashiya, H., & Yamamoto, H. (2014). Technological feasibility of coaxial contactless power transmission for traction power supply. In 16th International Power Electronics and Motion Control Conference and Exposition, PEMC 2014 (pp. 967-972). [6980633] (16th International Power Electronics and Motion Control Conference and Exposition, PEMC 2014). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/EPEPEMC.2014.6980633