Technological Feasibility of Coaxial Contactless Power Transmission for Traction Power Supply

被引：0
|
作者：
Moriki, Kenta [1 ]
Kawamura, Atsuo [1 ]
Shimono, Tomoyuki [1 ]
Nozaki, Takahiro [1 ]
Ikeda, Kunio [2 ]
Sato, Junichi [3 ]
Hayashiya, Hitoshi [3 ]
Yamamoto, Hiroshi [2 ]
机构：
[1] Yokohama Natl Univ, Dept Elect & Comp Engn, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan
[2] East Japan Railway Co, Ctr Res & Dev, Kita Ku, Saitama, Saitama 3318513, Japan
[3] Railway Operat Headquarters, Tokyo, Japan
来源：
2014 16TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE AND EXPOSITION (PEMC) | 2014年
关键词：
Contactless power transfer system; coaxial transfer; electric railway; efficiency; core structure; toroidal core; SYSTEM;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：967 / 972
页数：6
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