Analysis of EMI from Pantograph-catenary Arc on Speed Sensor Based on the High-speed Train Model

Authors

  • Yutao Tang School of Electrical Engineering Southwest Jiaotong University, Chengdu, 610031, China
  • Feng Zhu School of Electrical Engineering Southwest Jiaotong University, Chengdu, 610031, China
  • Yingying Chen School of Electrical Engineering Southwest Jiaotong University, Chengdu, 610031, China

Keywords:

Electromagnetic Interference (EMI), high-speed train, overvoltage, Pantograph-Catenary Arc (PCA), speed sensor

Abstract

There will be the pantograph-catenary arc (PCA) when the pantograph of a high-speed train is separated from the power supply line, and the electromagnetic interference (EMI) caused by the PCA can affect speed sensors of the train. To study the influence of the PCA, firstly, the traction control unit (TCU) speed sensor of the high-speed train is researched. The result shows both overvoltage and electromagnetic radiation (EMR) generated by the PCA can influence the signal of speed sensor. Secondly, the composite model of the train is established. Then, the interference of the PCA on the TCU speed sensor is verified. The results of practical measurements show the PCA causes a maximum overvoltage of 680 V on train body (TB) and increases the magnetic field around TB to a maximum of 58 dBμA/m. This is the reason of sensor malfunction, which is consistent with the theoretical and simulation results. Finally, the methods to reduce the EMI of the PCA are proposed.

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Author Biographies

Yutao Tang, School of Electrical Engineering Southwest Jiaotong University, Chengdu, 610031, China

Yutao Tang was born in Sichuan Province, China, in 1991. She received the B.S. degree in Automation from Southwest Science and Technology University, Mianyang, China, in 2013, and is currently working toward the Ph.D. degree in Electrical Engineering at Southwest Jiaotong University, Chengdu, China. Her research interests include electromagnetic environment test and evaluation, and electromagnetic compatibility analysis and design.

Feng Zhu, School of Electrical Engineering Southwest Jiaotong University, Chengdu, 610031, China

Feng Zhu was born in Anhui Province, China, in 1963. He received a B.S. degree in Physics from Huaibei Normal University, Huaibei, China, in 1984, an M.S. degree in Physics from Sichuan University, Chengdu, China, in 1987, and the Ph.D. degree in Electromagnetic Theory and Microwave Techniques from Southwest Jiaotong University, Chengdu, in 1997. He is currently a Professor in the Department of Electrical Engineering, Southwest Jiaotong University. His research interests include electromagnetic environment test and evaluation, electromagnetic compatibility, and numerical electromagnetic methods.

Yingying Chen, School of Electrical Engineering Southwest Jiaotong University, Chengdu, 610031, China

Yingying Chen was born in Shanxi Province, China, in 1996. She received a B.S. degree in Electrical Engineering and Automation from Taiyuan University of Science and Technology in China, in 2018. She is currently pursuing a master's degree in Electrical ngineering at Southwest Jiaotong University, Chengdu, China. Her research interests include electromagnetic environment testing and evaluation, as well as electromagnetic compatibility analysis and design.

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Published

2021-02-01

How to Cite

Yutao Tang, Feng Zhu, & Yingying Chen. (2021). Analysis of EMI from Pantograph-catenary Arc on Speed Sensor Based on the High-speed Train Model. The Applied Computational Electromagnetics Society Journal (ACES), 36(2), 205–212. Retrieved from https://journals.riverpublishers.com/index.php/ACES/article/view/7381

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