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Dynamic Characteristics of Transverse-Magnetic-Field Induced Arc for Plasma-Jet-Triggered Protective Gas Switch in Hybrid UHVDC System

Author

Listed:
  • Wen Wang

    (High Voltage Department, China Electric Power Research Institute, Beijing 100192, China)

  • Zhibing Li

    (High Voltage Department, China Electric Power Research Institute, Beijing 100192, China)

  • Keli Gao

    (High Voltage Department, China Electric Power Research Institute, Beijing 100192, China)

  • Enyuan Dong

    (School of Electrical Engineering, Dalian University of Technology, Dalian 116024, China)

  • Xuebin Qu

    (School of Electrical Engineering, Dalian University of Technology, Dalian 116024, China)

  • Xiaodong Xu

    (High Voltage Department, China Electric Power Research Institute, Beijing 100192, China)

Abstract

A plasma jet-triggered gas switch (PJT-GS) has been developed as an important piece of equipment to operate in an ± 800 kV ultra-high voltage direct current transmission system (UHV DC) to achieve grid system protection and control. The crucial factors that would affect its operational performance, such as the current level the PJT-GS could withstand and the gas gap distance between the two rotating electrodes, are comparatively studied in the present work by analysing the arc dynamic characteristics. The rotating electrode used in the PJT-GS is designed with a helical-slotted structure, and the arc can be rotated circularly driven by the produced transverse magnetic field (TMF) along the electrode edge. The objective of such research is to provide a thorough study of the arc dynamic behaviour during the current flowing process of the PJT-GS and also to characterise the physical mechanism that affects the arc rotation and the PJT-GS operation performance. The magnetohydrodynamic-based (MHD) approach is applied by establishing a 3D arc model. Following such a study, the variation of arc characteristics under different operation conditions could be thoroughly determined and it also could provide the guidance for the PJT-GS optimum design reasonably to support its corresponding engineering applications.

Suggested Citation

  • Wen Wang & Zhibing Li & Keli Gao & Enyuan Dong & Xuebin Qu & Xiaodong Xu, 2022. "Dynamic Characteristics of Transverse-Magnetic-Field Induced Arc for Plasma-Jet-Triggered Protective Gas Switch in Hybrid UHVDC System," Energies, MDPI, vol. 15(16), pages 1-19, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:16:p:5871-:d:887266
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    References listed on IDEAS

    as
    1. Ehsan Hashemi & Kaveh Niayesh, 2020. "DC Current Interruption Based on Vacuum Arc Impacted by Ultra-Fast Transverse Magnetic Field," Energies, MDPI, vol. 13(18), pages 1-14, September.
    2. Ciro Alberghi & Luigi Candido & Raffaella Testoni & Marco Utili & Massimo Zucchetti, 2021. "Verification and Validation of COMSOL Magnetohydrodynamic Models for Liquid Metal Breeding Blankets Technologies," Energies, MDPI, vol. 14(17), pages 1-16, August.
    3. Ali Kadivar & Kaveh Niayesh, 2020. "Effects of Fast Elongation on Switching Arcs Characteristics in Fast Air Switches," Energies, MDPI, vol. 13(18), pages 1-23, September.
    4. Gongrun Wang & Yongxing Wang & Lifan Zhang & Shutian Xue & Enyuan Dong & Jiyan Zou, 2021. "A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics," Energies, MDPI, vol. 14(22), pages 1-15, November.
    Full references (including those not matched with items on IDEAS)

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