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Integrated Full-Frequency Impedance Modeling and Stability Analysis of the Train-Network Power Supply System for High-Speed Railways

Author

Listed:
  • Xinyu Zhang

    (Department of Electrical Engineering, Beijing Jiaotong University, No. 3 Shangyuancun, Beijing 100044, China)

  • Lei Wang

    (Department of Electrical Engineering, Beijing Jiaotong University, No. 3 Shangyuancun, Beijing 100044, China)

  • William Dunford

    (Department of Electrical and Computer Engineering, University of British Columbia, Kaiser 3043-2332 Main Mall, Vancouver, BC V6T 1Z4, Canada)

  • Jie Chen

    (Department of Electrical Engineering, Beijing Jiaotong University, No. 3 Shangyuancun, Beijing 100044, China)

  • Zhigang Liu

    (Department of Electrical Engineering, Beijing Jiaotong University, No. 3 Shangyuancun, Beijing 100044, China)

Abstract

To investigate the harmonic resonance, harmonic instability and low-frequency oscillation phenomena in high-speed railways, this paper proposes a full-frequency impedance model of the train-traction network system (simplified as ‘train-network’) based on d-q coordinates system. Compared with traditional models which deal with only the grid-side converter, the proposed model also includes its load models—the inverter and the traction motor. It also reflects complete control scheme of grid-side converter, which makes it easier to analyze unstable phenomena mentioned above. Moreover, this paper improves the impedance modeling of the network by taking the network impedance and admittance into detailed consideration. In addition, based on the proposed train-network model, the 3D figure and zero-pole diagram are also presented for the analysis of the stability of the integral system. Simulation and experiment results verify the accuracy of the model.

Suggested Citation

  • Xinyu Zhang & Lei Wang & William Dunford & Jie Chen & Zhigang Liu, 2018. "Integrated Full-Frequency Impedance Modeling and Stability Analysis of the Train-Network Power Supply System for High-Speed Railways," Energies, MDPI, vol. 11(7), pages 1-19, July.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:7:p:1714-:d:155526
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    Citations

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    Cited by:

    1. Ying Wang & Yueyang Xin & Ziyun Xie & Xiuqing Mu & Xiaoqiang Chen, 2023. "Research on Low-Frequency Stability under Emergency Power Supply Scheme of Photovoltaic and Battery Access Railway Traction Power Supply System," Energies, MDPI, vol. 16(12), pages 1-32, June.
    2. Hamed Jafari Kaleybar & Morris Brenna & Federica Foiadelli & Seyed Saeed Fazel & Dario Zaninelli, 2020. "Power Quality Phenomena in Electric Railway Power Supply Systems: An Exhaustive Framework and Classification," Energies, MDPI, vol. 13(24), pages 1-35, December.
    3. Jerzy Kisilowski & Elżbieta Kowalik-Adamczyk, 2021. "Stochastic Technical Stability Test of a Passenger Railroad Car Crossing a Turnout," Energies, MDPI, vol. 14(15), pages 1-17, July.

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