Efficiency Study of Coaxial Contactless Power Transmission for Electric Railway

被引：0
|
作者：
Moriki, Kenta [1 ]
Kawamura, Atsuo [1 ]
Shimono, Tomoyuki [1 ]
Nozaki, Takahiro [2 ]
Ikeda, Kunio [3 ]
Sato, Junichi [4 ]
Hayashiya, Hitoshi [4 ]
Yamamoto, Hiroshi [3 ]
机构：
[1] Yokohama Natl Univ, Dept Elect & Comp Engn, Hodogaya Ku, 79-5 Tokiwadai, Yokohama, Kanagawa 2408501, Japan
[2] Keio Univ, Dept Syst Design Engn, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan
[3] East Japan Railway Co, Ctr Res & Dev, Kita Ku, Saitama, Saitama 3318513, Japan
[4] East Japan Railway Co, Railway Operat Headquarters, Shibuya Ku, Tokyo 1518578, Japan
来源：
2015 17TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE'15 ECCE-EUROPE) | 2015年
关键词：
Contactless power supply; Efficiency; Power factor correction; Rail vehicle; Transformer; SYSTEM;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A novel contactless power supply system for electric trains is discussed based on structure of an air gapped coaxial transformer. Theoretical analysis, simulation results and verification experiments were conducted and the results are shown in this paper. The 94.0 % efficiency was observed with air gap coaxial structure. Moreover, the power factor corrector (PFC) circuit are introduced to increase sending power. However, the efficiency drops to 86.8 % for the internal resistance (ESR) of inserted parallel capacitor C-p. In order to reduce the effect of ESR, parallelization of C-p are introduced. This method achieves power transmission efficiency of 88.0 %.
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页数：10
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