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Topologies and Operation Modes of Rail Power Conditioners in AC Traction Grids: Review and Comprehensive Comparison

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  • Mohamed Tanta

    (Department of Industrial Electronics, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal)

  • José Gabriel Pinto

    (Department of Industrial Electronics, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal)

  • Vitor Monteiro

    (Department of Industrial Electronics, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal)

  • Antonio P. Martins

    (Faculty of Engineering, University of Porto, Rua Roberto Frias, 4200-465 Porto, Portugal)

  • Adriano S. Carvalho

    (Faculty of Engineering, University of Porto, Rua Roberto Frias, 4200-465 Porto, Portugal)

  • Joao L. Afonso

    (Department of Industrial Electronics, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal)

Abstract

Electric locomotives in AC traction power systems represent a huge single-phase non-linear load and, detrimentally, affect the power quality and the efficiency of the three-phase power grid. Nevertheless, along the last decades, power electronics are being used to mitigate power quality problems in the three-phase power grid. In particular, Rail Power Conditioner (RPC) helps to increase the loading capacity of traction substations and improve the power quality of three-phase power grids. As the main characteristics, an RPC can supply reactive power, suppress current harmonics and overcome currents imbalance of the three-phase power grid. On the other hand, the traction substations may be constituted by different types of power transformers. For instance, single-phase power transformers and open-delta (V/V) power transformers are widely used, while Scott power transformers are less frequently used, since they are more complex and expensive. In this framework, this work presents a review study of RPC topologies, including their operation modes, and a comprehensive comparison between the characteristics of the RPC topologies when using different types of AC traction substations and power transformers. This helps to ensure the correct selection of the RPC topology for a specific application, according to the main structure of the traction substation. Consequently, and based on the established review, it is possible to sort and allocate each RPC topology for limited or wider applications.

Suggested Citation

  • Mohamed Tanta & José Gabriel Pinto & Vitor Monteiro & Antonio P. Martins & Adriano S. Carvalho & Joao L. Afonso, 2020. "Topologies and Operation Modes of Rail Power Conditioners in AC Traction Grids: Review and Comprehensive Comparison," Energies, MDPI, vol. 13(9), pages 1-30, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:9:p:2151-:d:352768
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    References listed on IDEAS

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    1. Zhengyou He & Zheng Zheng & Haitao Hu, 2016. "Power quality in high-speed railway systems," International Journal of Rail Transportation, Taylor & Francis Journals, vol. 4(2), pages 71-97, June.
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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. Joao L. Afonso & Luiz A. Lisboa Cardoso & Delfim Pedrosa & Tiago J. C. Sousa & Luis Machado & Mohamed Tanta & Vitor Monteiro, 2020. "A Review on Power Electronics Technologies for Electric Mobility," Energies, MDPI, vol. 13(23), pages 1-61, December.
    3. Vítor A. Morais & João L. Afonso & Adriano S. Carvalho & António P. Martins, 2020. "New Reactive Power Compensation Strategies for Railway Infrastructure Capacity Increasing," Energies, MDPI, vol. 13(17), pages 1-25, August.
    4. Si Wu & Mingli Wu & Yi Wang, 2021. "A Novel Co-Phase Power-Supply System Based on Modular Multilevel Converter for High-Speed Railway AT Traction Power-Supply System," Energies, MDPI, vol. 14(1), pages 1-17, January.
    5. Zbigniew Olczykowski & Jacek Kozyra, 2022. "Propagation of Disturbances Generated by DC Electric Traction," Energies, MDPI, vol. 15(18), pages 1-22, September.
    6. Mohamed Tanta & Jose Cunha & Luis A. M. Barros & Vitor Monteiro & José Gabriel Oliveira Pinto & Antonio P. Martins & Joao L. Afonso, 2021. "Experimental Validation of a Reduced-Scale Rail Power Conditioner Based on Modular Multilevel Converter for AC Railway Power Grids," Energies, MDPI, vol. 14(2), pages 1-27, January.
    7. Bartosz Rozegnał & Paweł Albrechtowicz & Dominik Mamcarz & Monika Rerak & Maciej Skaza, 2021. "The Power Losses in Cable Lines Supplying Nonlinear Loads," Energies, MDPI, vol. 14(5), pages 1-15, March.

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