LI Meng, WEN Yinghong, SUN Xiaokang, et al., “Analysis of Propagation Characteristics of Electromagnetic Disturbance from the Off-Line of Pantograph-Catenary in High-Speed Railway Viaducts,” Chinese Journal of Electronics, vol. 29, no. 5, pp. 966-972, 2020, doi: 10.1049/cje.2020.08.013
Citation: LI Meng, WEN Yinghong, SUN Xiaokang, et al., “Analysis of Propagation Characteristics of Electromagnetic Disturbance from the Off-Line of Pantograph-Catenary in High-Speed Railway Viaducts,” Chinese Journal of Electronics, vol. 29, no. 5, pp. 966-972, 2020, doi: 10.1049/cje.2020.08.013

Analysis of Propagation Characteristics of Electromagnetic Disturbance from the Off-Line of Pantograph-Catenary in High-Speed Railway Viaducts

doi: 10.1049/cje.2020.08.013
Funds:  This work is supported by the National Natural Science Foundation of China (No.U1734203, No.61631013) and the Science and Tecnology Project of Beijing (No.Z181100001018032).
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  • Corresponding author: WANG Guodong (corresponding author) was born in 1971. He received the Ph.D. degree from Beihang University. He is currently an associate professor with School of Electronic and Information Engineering, Beijing Jiaotong University. His research interests include electromagnetic compatibility and electromagnetic fields and waves. (Email:gdwang@bjtu.edu.cn)
  • Received Date: 2019-01-04
  • Rev Recd Date: 2019-11-07
  • Publish Date: 2020-09-10
  • Pantograph arcing caused by Off-line of pantograph-catenary (OLPC) will generate Electromagnetic disturbance (EMD), which will affect train control system and communication system. This paper proposes a simplified model of the train and pantograph to investigate propagation characteristics of EMD from OLPC in the viaduct scenario, containing attenuation law in transverse and longitudinal directions. As a result, the electric field strength of EMD from OLPC increases with distance in transverse direction from 10m to 30m in the viaduct scenario, which is different from the ground scenario. The fitting formulas are found to research the attenuation law at different frequency points. We get the conclusion that the limit and measurement distance is not applicable for the viaduct scenario in current standard. To prove this, measurement in the viaduct scenario is completed, and the plausible evidence to explain the result is discussed. These results are useful in the measurement of radiated emissions, on-board equipment layout and the research of standard in high-speed railway.
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