• Title/Summary/Keyword: Electrical separtaion joint

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A Study on the Length of Electrical Separation Joint in AF Track Circuit (AF궤도회로에서 전기적 절연구간의 길이에 대한 연구)

  • Lee, Myung-Chul;Park, Jae-Young
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.62 no.1
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    • pp.70-75
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    • 2013
  • The electrical separation joint as a filter circuit distributes the track circuit frequency. The electrical separation joint is classified into the interval where reinforcing bars are insulated and not insulated through the length of track circuit. In case of incorrectly setting up the length of electrical separation joint, the amplitude of current on the track circuit is not over standard current which is the standard of current on the track circuit and it effects on the close frequency on track circuit. Then, it makes an accident or makes a train not receive information for train control. In this paper, the electrical separation joint model is suggested and parameters are numerically calculated in the model. Moreover, the length of electrical separation joint is analyzed and is demonstrated by uisng Matlab and PSpice program.