• 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 26 Issue 1
Jan.  2013
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Article Contents
LI Qunzhan, YI Dong, HE Jianmin. Power Supply Capacity of Traction Cable for AC Electrified Railway[J]. Journal of Southwest Jiaotong University, 2013, 26(1): 81-87. doi: 10.3969/j.issn.0258-2724.2013.01.013
Citation: LI Qunzhan, YI Dong, HE Jianmin. Power Supply Capacity of Traction Cable for AC Electrified Railway[J]. Journal of Southwest Jiaotong University, 2013, 26(1): 81-87. doi: 10.3969/j.issn.0258-2724.2013.01.013

Power Supply Capacity of Traction Cable for AC Electrified Railway

doi: 10.3969/j.issn.0258-2724.2013.01.013
  • Received Date: 10 Mar 2011
  • Publish Date: 25 Feb 2013
  • In order to achieve traction power supply for AC electrified railways, the electromagnetic induction principle of two-conductor cables and Carson's theory were used to study the shunt coefficient between cable and catenary. The wave impedance and natural power of the cable were analyzed, and the power supply capacity of the cable traction system was compared with that of the autotransformer (AT) power supply system. The results show that when the cross section area is larger than 240 mm2, the current carried in cable is over 3 times more than that in catenary, implying that the power supply ability of the cable traction system is 1.13 to 1.34 times that of AT traction power supply system. Simulation reveals that when the length of the feeding section is extended to 100 km, the voltage quality of traction network can still be guaranteed.

     

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