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Harmonic Loss Analysis of the Traction Transformer of High-Speed Trains Considering Pantograph-OCS Electrical Contact Properties

Author

Listed:
  • Jin Wang

    (School of Electrical Engineering, Beijing Jiaotong University, No. 3 ShangyuanCun, Beijing 100044, China)

  • Zhongping Yang

    (School of Electrical Engineering, Beijing Jiaotong University, No. 3 ShangyuanCun, Beijing 100044, China)

  • Fei Lin

    (School of Electrical Engineering, Beijing Jiaotong University, No. 3 ShangyuanCun, Beijing 100044, China)

  • Junci Cao

    (School of Electrical Engineering, Beijing Jiaotong University, No. 3 ShangyuanCun, Beijing 100044, China)

Abstract

The traction transformer of the traction drive system of a high-speed train is one of the main equipments for energy conversion. The transformer loss will be increased by load harmonics and pantograph arcs at high speed. It is very important to predict losses for the improvement of traction transformer design. In this paper, a dynamic model of the pantograph-catenary system is established using the MSC.Marc software based on the finite element method to analyze disconnection events in different speeds. Then the pantograph arc, traction transformer and four-quadrant converter model is set up. Resistance variations with the change of harmonic frequency have been considered in the calculation formulae of harmonic losses. Traction transformer losses can be calculated based on the harmonic T-equivalent circuit and superposition principle. Considering the harmonic losses variations, the effects of arc voltage on harmonic copper loss and harmonic core loss are analyzed, respectively. The average loss at different disconnection ratios is also calculated. This method could be used to estimate the increment of transformer harmonic losses with poor current conditions at high speed.

Suggested Citation

  • Jin Wang & Zhongping Yang & Fei Lin & Junci Cao, 2013. "Harmonic Loss Analysis of the Traction Transformer of High-Speed Trains Considering Pantograph-OCS Electrical Contact Properties," Energies, MDPI, vol. 6(11), pages 1-21, November.
    • Handle: RePEc:gam:jeners:v:6:y:2013:i:11:p:5826-5846:d:30241
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    Citations

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    Cited by:

    1. Guangning Wu & Jie Wu & Wenfu Wei & Yue Zhou & Zefeng Yang & Guoqiang Gao, 2017. "Characteristics of the Sliding Electric Contact of Pantograph/Contact Wire Systems in Electric Railways," Energies, MDPI, vol. 11(1), pages 1-13, December.
    2. Guiming Mei & Yang Song, 2022. "Effect of Overhead Contact Line Pre-Sag on the Interaction Performance with a Pantograph in Electrified Railways," Energies, MDPI, vol. 15(19), pages 1-13, September.
    3. Andrea Mariscotti, 2022. "Non-Intrusive Load Monitoring Applied to AC Railways," Energies, MDPI, vol. 15(11), pages 1-27, June.

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