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http://dx.doi.org/10.5370/KIEE.2016.65.12.1958

The Analysis of 4-Conductors Catenary System of AC Railway Feeding System and Calculation of Induced Voltage near Rail Track using the FDTD Method  

Ryu, Kyu-Sang (College of Information and Communication Engineering, Sungkyunkwan University)
Yeom, Hyoung-Sun (College of Information and Communication Engineering, Sungkyunkwan University)
Cho, Gyu-Jung (College of Information and Communication Engineering, Sungkyunkwan University)
Lee, Hun-Do (College of Information and Communication Engineering, Sungkyunkwan University)
Kim, Cheol-Hwan (College of Information and Communication Engineering, Sungkyunkwan University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.65, no.12, 2016 , pp. 1958-1964 More about this Journal
Abstract
AC railway feeding system use single phase to supply power to the railway vehicles. And the system use the rail track as a return current path, so that current flows in the rail. In this situation inductive interference on communication system and unsafe environment can appear on railway system. Therefore knowing the current distribution of catenary system and analysing the return current is required. In this study detail return current distribution was analyzed by modeling the catenary system as 4-conductors group. The distribution characteristics and trends of return current were studied by using the PSCAD/EMTDC and FDTD method that based on Maxwell equation was used to calculate the induced voltage. Simulation code was made by MATLAB. Using this study result data, we can suggest the proper installation location of digital device and these data can be used for additional studies related to return current or induced voltage as a base data.
Keywords
AC railway system; Return current; Induced voltage; PSCAD/EMTDC; FDTD;
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