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Optimizational Mathematical Modeling Methods of DC Traction Power Supply System for Urban Mass Transit

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  • Jing Shang
  • Jie Zhang
  • Zhixue Zhang

Abstract

Time-varying characteristics of DC traction power supply system network structure are the key technical problem in its mathematical modeling. Based on node admittance network equation theory, this paper puts forward an optimizational mathematical modeling method of DC traction power supply system for urban mass transit, and that is to conduct automatic sequencing firstly for all the nodes on both ends of traction substation and the train according to the given rules, then arrange the nodes according to the position coordinates and save them into the arrays, and finally generate the node admittance network equation of DC traction power supply system according to the self-adaptive real-time dynamics of node arrays and input parameter documents. Simulation study indicates the rationality and correctness of optimizational mathematical modeling method of DC traction power supply system for urban mass transit.

Suggested Citation

  • Jing Shang & Jie Zhang & Zhixue Zhang, 2018. "Optimizational Mathematical Modeling Methods of DC Traction Power Supply System for Urban Mass Transit," Mathematical Problems in Engineering, Hindawi, vol. 2018, pages 1-9, December.
    • Handle: RePEc:hin:jnlmpe:3084184
    DOI: 10.1155/2018/3084184
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