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http://dx.doi.org/10.7782/JKSR.2014.17.4.228

Relation between Induced Voltage of Rail and Feeding Line of Wireless Power Transfer System for Railway Application  

Kim, JaeHee (Railway Electric Traction & Wireless Power Transfer System Research Team, Korea Railroad Research Institute)
Park, Chan-Bae (Railway Electric Traction & Wireless Power Transfer System Research Team, Korea Railroad Research Institute)
Jung, Shin-Myung (Railway Electric Traction & Wireless Power Transfer System Research Team, Korea Railroad Research Institute)
Lee, Seung-Hwan (Railway Electric Traction & Wireless Power Transfer System Research Team, Korea Railroad Research Institute)
Lee, Byung-Song (Railway Electric Traction & Wireless Power Transfer System Research Team, Korea Railroad Research Institute)
Lee, Jun-Ho (Railway Electric Traction & Wireless Power Transfer System Research Team, Korea Railroad Research Institute)
Lee, Su-Gil (Railway Electric Traction & Wireless Power Transfer System Research Team, Korea Railroad Research Institute)
Publication Information
Journal of the Korean Society for Railway / v.17, no.4, 2014 , pp. 228-232 More about this Journal
Abstract
The magnetic field generated by the feeding line of a wireless power transfer system induces voltage on the rail of a railway system. The induced voltage of the rail can have a bad influence on the track circuit and on safety. This paper simulated three feeding lines to study the relation between the feeding lines and the induced voltage of the rail; it also proposed magnetic field distribution of the feeding line to reduce the induced voltage.
Keywords
Wireless power transfer; Railway; Induced voltage; Magnetic field; EMF;
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