New insight into the detection of high-impedance arcing faults on DC trolley systems

Jincheng Li, Jeffery L. Kohler

Research output: Contribution to journalConference article

Abstract

High-impedance arcing faults are difficult to detect with conventional switchgear, and the presence of these faults in coal mine power systems represents a significant fire hazard. Research was performed to identify plausible techniques that would discriminate between the high-impedance arcing faults and legitimate load currents on the dc trolley system. This paper briefly summarizes that effort, and focuses on the frequency characteristics of the arc current. After the arc was modelled as a stochastic process, good agreement was obtained between experimental observations and mathematical predictions.

Original languageEnglish (US)
Pages (from-to)2506-2513
Number of pages8
JournalConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume4
StatePublished - Dec 1 1996
EventConference Record of the 1996 IEEE Industry Applications 31st IAS Annual Meeting. Part 4 (of 4) - San Diego, CA, USA
Duration: Oct 6 1996Oct 10 1996

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Fire hazards
Electric switchgear
Random processes
Coal mines

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

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New insight into the detection of high-impedance arcing faults on DC trolley systems. / Li, Jincheng; Kohler, Jeffery L.

In: Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), Vol. 4, 01.12.1996, p. 2506-2513.

Research output: Contribution to journalConference article

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