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

Content Provider	IET Digital Library
Author	Li, Meng Wen, Yinghong Sun, Xiaokang Wang, Guodong
Abstract	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.
Starting Page	966
Ending Page	972
Page Count	7
ISSN	10224653
Volume Number	29
e-ISSN	20755597
Issue Number	Issue 5, Sep (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/cje/29/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/cje.2020.08.013
Journal	Chinese Journal of Electronics
Publisher Date	2020-09-01
Access Restriction	Open
Rights Holder	© Chinese Institute of Electronics
Subject Keyword	Arcs (electric) Bridges Bridges (structures) Communication System Electromagnetic Disturbance EMD Ground Scenario High-speed Railway Viaducts OLPC PantoGraph Pantograph-catenary Propagation Characteristic Railway Electrification Railway Engineering Railway Industry Railways Size 10.0 M to 30.0 M Train Control System Transportation Transverse Direction Viaduct Scenario
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering

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