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Analysis for Catenary System with Focus on Abnomal Conditions on Honam High Speed Line

호남고속철도 전차선로의 이상 상태 분석

  • Jun, Jaegeun (Department of Railway System Engineering, Woosong University) ;
  • Shin, Seungkwon (Smart Electrical & Signaling Division, Korea Railroad Research Institute) ;
  • Jung, Hosung (Smart Electrical & Signaling Division, Korea Railroad Research Institute) ;
  • Na, Kyungmin (Smart Electrical & Signaling Division, Korea Railroad Research Institute) ;
  • Park, Young (Smart Electrical & Signaling Division, Korea Railroad Research Institute)
  • 전재근 (우송대학교 철도시스템학과) ;
  • 신승권 (한국철도기술연구원 스마트전기신호본부) ;
  • 정호성 (한국철도기술연구원 스마트전기신호본부) ;
  • 나경민 (한국철도기술연구원 스마트전기신호본부) ;
  • 박영 (한국철도기술연구원 스마트전기신호본부)
  • Received : 2018.09.28
  • Accepted : 2018.10.02
  • Published : 2019.01.01

Abstract

The overhead contact line (OCL) is a key piece of equipment for transmitting electrical energy to the pantograph of rail cars. Recently, a 400 km/h OCL was applied to the Honam high-speed line, and its performance was examined by running HEMU-430X. For the study, we analyzed the current of catenary wire concurrently while running HEMU-430X in the Honam high-speed line. Specifically, this study recorded the currents for each speed during operation of the railway vehicle. The analysis of the frequency of line current showed generation of third-harmonics, 15th-harmonics, 17th-harmonics, and 19th-harmonics. The current of catenary wire is a basic technology assessment used to determine the electrical safety of electric railway systems, and it can be used as a technology for analyzing circulating currents generated in the current configuration, as well as for analyzing electric fatigue of the OCL components.

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Fig. 1. Picture of current monitoring system, (a) installation of current monitoring system on OCL (overhead contact line) in Honam high-speed line and (b) program for analysis of current.

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Fig. 2. Infrastructure gauge of Honam high-speed line from Iksan to Jungub.

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Fig. 3. Results of current wave from between contact and catenary wire of HEMU-430X on Honam HSR, (a) 159 km/h, (b) 290 km/h, (c) 349 km/h, and (d) 370 km/h.

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Fig. 4. Results of current analysis of catenary system on Honam HSR line, (a) current wave and (b) frequency analysis.

Table. 1. Physical properties of overhead contact wire and catenary wire.

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Acknowledgement

Supported by : 한국철도기술연구원

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