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13 Result(s)

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  1. No Access

    Chapter and Conference Paper

    Modeling of Hybrid EMUs and Rule-Based Energy Management Strategy

    In recent years, railway transportation has developed rapidly, and in order to cope with sustainable development, hybrid power systems (HPS) are applied in rail transportation to achieve energy saving and envi...

    Dongfan Nie, Chao Li, Ke Su, Yuxin Yang… in Proceedings of the 6th International Confe… (2024)

  2. No Access

    Chapter and Conference Paper

    Research on Optimal Power Flow Control Strategy for Urban Rail Flexible Traction Power Supply System

    In order to solve the problems of uncontrollable DC voltage and low utilization of regenerative braking energy in traditional traction power supply system, a bi-directional converter is used instead of diode r...

    Junjie Zhang, Shuai Jiang, Zhigang Liu… in Proceedings of the 6th International Confe… (2024)

  3. No Access

    Chapter and Conference Paper

    Rotor Broken Bar Fault Diagnosis for Induction Traction Motor Considering Low Load Condition

    Rotor broken bar fault accounts for more than 5% in induction motor faults. The frequencies (1 ± 2s)f1 in motor current are recognized as the fault characteristics to detect the fault. However, when the traction ...

    **g Tang, Chao Liang, Yuanhang Wang… in Proceedings of the 5th International Confe… (2022)

  4. No Access

    Chapter and Conference Paper

    An Online Monitoring Scheme for Circuit Breakers Contact System

    In recent years, the prognostic and health management (PHM) technology has been effectively developed as a key technology for the intelligent development of power grids. The online monitoring system for circui...

    Jiao Guo, Jie Chen, Ting Li, He** Fu… in Proceedings of the 4th International Confe… (2020)

  5. No Access

    Chapter and Conference Paper

    Research on a Secondary Pulsation Active Power Filter for Single-Phase PWM Rectifier

    The single-phase PWM rectifier has a second harmonic current and a corresponding ripple voltage on the DC side. The low-frequency harmonic current is usually eliminated by a resonant circuit composed of a larg...

    Yuxi Zhang, Fujun Peng, Qiyang Xu… in Proceedings of the 4th International Confe… (2020)

  6. No Access

    Chapter and Conference Paper

    Design and Implementation of Simulation Software of DC Traction Power Supply System for Urban Rail Transportation

    For the power flow calculation of the DC side traction power supply system for urban rail transportation, the DC traction calculation is carried out first of all, then the mathematical model of each part of th...

    Yangyang Song, Bo Wu, Jie Chen, Ruichang Qiu… in Proceedings of the 4th International Confe… (2020)

  7. No Access

    Chapter and Conference Paper

    Design of PCI Bus High-Speed Data Acquisition System Based on FPGA

    PCI bus is a standard bus of the computer. It adopts European standard and has the advantages of plug and play, interrupt sharing, high-speed transmission, and safety fastening. However, the PCI communication ...

    **aoming Zhu, **aodong Wang, Jie Chen… in Proceedings of the 4th International Confe… (2020)

  8. No Access

    Chapter and Conference Paper

    Cloud Computing System of Rail Transit Traction System and Data Collection

    With the sustained and rapid growth of the national economy, the demand for urban rail transit is increasing, and the requirements for the operation reliability of the traction power supply system are becoming...

    Yijun Liang, Ruijun Chen, Jie Chen… in Proceedings of the 4th International Confe… (2020)

  9. No Access

    Chapter and Conference Paper

    Parallel Control of Auxiliary Inverter Based on Virtual Synchronous Generator

    As an important part of electric multiple units (EMU), the auxiliary power supply system plays an important role in the normal operation of the vehicle. In order to improve the reliability of the auxiliary pow...

    Lei Lu, Xuefei Li, Yang Kuang, Jie Chen… in Proceedings of the 4th International Confe… (2020)

  10. No Access

    Chapter and Conference Paper

    Double-Loop Control Strategy for Buck/Boost-CLLLC Two-Stage Bidirectional DC/DC Converter

    This paper adopts Buck/Boost and CLLLC cascade topology. Buck/Boost-CLLLC two-stage bidirectional DC/DC converter topology and its control strategy are suitable for medium and high-power applications with larg...

    Linghang Huang, Jie Chen, Ruichang Qiu… in Proceedings of the 4th International Confe… (2020)

  11. No Access

    Chapter and Conference Paper

    Research on Active Power Factor Correction Technology

    Current harmonic seriously endangers the safety of power facilities and power grid. Power factor correction (PFC) technology can effectively solve the problem of harmonic pollution. In this paper, the working ...

    Yuan Sun, Jie Chen, Fei Meng, Ruichang Qiu… in Proceedings of the 4th International Confe… (2020)

  12. No Access

    Chapter and Conference Paper

    Design of Control Unit of Traction System Based on CPCI Bus

    With the development of high-speed railway, it is necessary to design a traction control system with high performance, high stability, and high system integration. The CPCI bus is widely used in industrial aut...

    Decheng Tang, Cheng Yang, Jie Chen… in Proceedings of the 4th International Confe… (2020)

  13. No Access

    Chapter and Conference Paper

    Research on Reactive Power Optimization Scheme of Metro Medium Voltage Power Supply Network Based on the Medium Voltage Energy Feeding Device

    The metro power supply system has a low power factor during low load rate operation. In order to save the investment of reactive compensation devices and compensate the reactive power for the metro medium volt...

    Lingmin Meng, Dawei Song, Jie Chen… in Proceedings of the 4th International Confe… (2020)