Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Arc Detection System using a Spectrometer for Status Monitoring of a Rigid Catenary

  • Jung, No-Geon (Dept. of Transportation System Engineering, Korea National University of Transportation) ;
  • Kim, Jae-Moon (Dept. of Transportation System Engineering, Korea National University of Transportation)
  • Received : 2017.05.15
  • Accepted : 2017.08.05
  • Published : 2017.11.01
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Abstract

In this paper, a system for the precise detection of arcs is proposed for a rigid catenary using a spectrometer. For this purpose, a miniature rigid catenary contact-loss simulator was used. Experiments were performed by varying the amplitude of the excitation frequency with which a real arc can occur using a simulator in the range of 5 to 15 mm. The range of the radiated wavelength of the copper, which is a material in the rigid catenary, and the irradiance were measured using a spectrometer according to the generated contact loss. In addition, the amount was monitored over time and its characteristics were analyzed. The voltage and current of the load were analyzed when the arc occurred due to contact loss. The analytical results will be applied to detect rigid catenary arcs and used as a monitoring system for real vehicles developed in the future. This will prevent abrasion and disconnection in rigid catenary systems.

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References

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