• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 25 Issue 1
Mar.  2012
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Article Contents
ZHANG Youpeng,  , ZHAO Bin, TIAN Mingxing. Transmittal Signal Frequency of Centre-Fed Ballastless Track Circuit[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 7-11. doi: 10.3969/j.issn.0258-2724.2012.021.01.002
Citation: ZHANG Youpeng,  , ZHAO Bin, TIAN Mingxing. Transmittal Signal Frequency of Centre-Fed Ballastless Track Circuit[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 7-11. doi: 10.3969/j.issn.0258-2724.2012.021.01.002

Transmittal Signal Frequency of Centre-Fed Ballastless Track Circuit

doi: 10.3969/j.issn.0258-2724.2012.021.01.002
  • Received Date: 27 Jul 2010
  • Publish Date: 25 Feb 2012
  • To determine the frequency range of centre-fed ballastless track circuit, based on the frequency character of the first parameters and the two-port network coefficient expressions of centre-fed ballastless track circuit in normal, shunt and broken-rail operation modes and the different initial values of minimum ballast resistance, surface-conductivity coefficient, input impedance and output impedance, the frequency characters of track circuit broken sensitivity and train shunt sensitivity was simulated by the graphical method. The result shows that the frequency of centre-fed ballastless track circuit is not larger than 700 Hz when the first parameters is the standard parameters of ballastless track circuit.

     

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