This article studied a system-level energy consumption evaluation method for high-speed railway. Three coupled subsystems, namely, the traction power supply network (TPSN), the traction drive system (TDS), and the wheel-track motion system (WTMS), were identified, and corresponding energy dissipation behaviors of subsystems were analyzed in typical scenarios. Then, the traction calculation technologies were applied to calculate the dynamic power and energy consumption in the WTMS for one train as well as for multiple trains scheduled by the train timetable in 24-h. On this basis, rated efficiency of the devices in the TDS was applied to calculate the corresponding dynamic power and energy consumption. Furthermore, dynamic modeling and power flow solution technologies were conducted to calculate the dynamic power and energy consumption of the devices in the TPSN according to the dynamic power of the TDS and the running parameters of the WTMS. Based on the dynamic power and energy consumption results in the subsystems, an energy source identification algorithm was proposed to realize the refined energy management, and a set of energy metrics was presented to evaluate the energy consumption performances. Case studies were carried out to verify the effectiveness and potential applications of the proposed method.


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    Title :

    System-Level Dynamic Energy Consumption Evaluation for High-Speed Railway


    Contributors:
    Wang, Ke (author) / Hu, Haitao (author) / Chen, Junyu (author) / Zhu, Jun (author) / Zhong, Xuan (author) / He, Zhengyou (author)


    Publication date :

    2019-09-01


    Size :

    6587549 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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