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Influence of the Catenary Distributed Parameters on the Resonance Frequencies of Electric Railways Based on Quantitative Calculation and Field Tests

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Listed:
  • Qiujiang Liu

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Wanqi Zhang

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Guotao Cao

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Jingwei Liu

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Jingjing Ye

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Mingli Wu

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Shaobing Yang

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

Abstract

High-order harmonic resonance is a key issue in the traction power supply systems (TPSS) of electric railways for safe operation. The effective evaluation of the resonance frequency is critical for taking measures to suppress harmonic resonance. In this paper, the influence of the distributed parameters of traction networks on resonance frequencies based on accurate calculation is proposed. The quantitative assessments of the distributed impedance and admittance are investigated. Furthermore, the theoretical calculation is directly verified using field tests at a high voltage level equal to 25 kV. The results show that the resonance frequencies of the TPSS are mainly affected by the distributed parameters, including the self-admittance and self-impedance of the contact wires, and the self-admittance of the positive feeders. In addition, the admittance connected in parallel has a greater effect than the series-connected impedance. The calculation method is also adapted to TPSS connected to renewable energy.

Suggested Citation

  • Qiujiang Liu & Wanqi Zhang & Guotao Cao & Jingwei Liu & Jingjing Ye & Mingli Wu & Shaobing Yang, 2022. "Influence of the Catenary Distributed Parameters on the Resonance Frequencies of Electric Railways Based on Quantitative Calculation and Field Tests," Energies, MDPI, vol. 15(10), pages 1-17, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:10:p:3752-:d:819599
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    References listed on IDEAS

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    1. Andrea Mariscotti & Leonardo Sandrolini, 2021. "Detection of Harmonic Overvoltage and Resonance in AC Railways Using Measured Pantograph Electrical Quantities," Energies, MDPI, vol. 14(18), pages 1-22, September.
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    Cited by:

    1. Rafael S. Salles & Sarah K. Rönnberg, 2023. "Review of Waveform Distortion Interactions Assessment in Railway Power Systems," Energies, MDPI, vol. 16(14), pages 1-33, July.

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