• 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
LI Qunzhan, GUO Kai, ZHOU Fulin. Analysis of AT Power Supply Network in AC Electrified Railway[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 1-6. doi: 10.3969/j.issn.0258-2724.2012.01.001
Citation: LI Qunzhan, GUO Kai, ZHOU Fulin. Analysis of AT Power Supply Network in AC Electrified Railway[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 1-6. doi: 10.3969/j.issn.0258-2724.2012.01.001

Analysis of AT Power Supply Network in AC Electrified Railway

doi: 10.3969/j.issn.0258-2724.2012.01.001
  • Received Date: 11 Mar 2011
  • Publish Date: 25 Feb 2012
  • The method of compound sequence analysis based on two-phase symmetrical components transform was used to further analyze AT (auto transformer) power supply network in AC electrified railway with clear concepts. Sequence models for AT power supply network components were described, such as traction power network, auto transformer, traction main transformer, traction load, power source, and so on. The way of building compound sequence network for AT power supply network was proposed. The definitions of power supply capacity and power supply capacity utilization ratio were determined, and the importance of matching between power supply capacity and load power demand was demonstrated by comparing 227.5 kV with 55 kV AT power supply modes. Simulation results show that the method of compound sequence network analysis based on two-phase symmetrical components transform is applicable in precision and clear in concept.

     

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