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A Multi-Functional Reactive Power Compensation Device with the Capability of Grounding Fault Regulation and Its Parameter Design Method

Author

Listed:
  • Zejun Huang

    (National Electric Power Conversion and Control Engineering Technology Research Center, Hunan University, Changsha 410082, China)

  • Yuchao Hou

    (National Electric Power Conversion and Control Engineering Technology Research Center, Hunan University, Changsha 410082, China)

  • Huaying Zhang

    (New Smart City High-Quality Power Supply Joint Laboratory of China Southern Power Grid, Shenzhen Power Supply Co., Ltd., Shenzhen 518020, China)

  • Huicong Liu

    (New Smart City High-Quality Power Supply Joint Laboratory of China Southern Power Grid, Shenzhen Power Supply Co., Ltd., Shenzhen 518020, China)

  • Xiaorui Liang

    (New Smart City High-Quality Power Supply Joint Laboratory of China Southern Power Grid, Shenzhen Power Supply Co., Ltd., Shenzhen 518020, China)

  • Qi Guo

    (National Electric Power Conversion and Control Engineering Technology Research Center, Hunan University, Changsha 410082, China)

Abstract

Aiming at the problems of low equipment utilization and the high-capacity requirements of existing arc-suppression devices, a multi-functional reactive power compensation device with the capability of grounding fault regulation (MF-RPCD) is proposed. Firstly, the topology and operation mechanism of MF-RPCD are introduced in this paper. MF-RPCD works in a reactive power compensation mode when a power grid is under normal operation to ensure the unit power factor operation of the power-grid side. When a single line-to-ground fault occurs in the power grid, MF-RPCD works in a fault-regulation mode to effectively suppress the ground-fault current. Secondly, the parameters of the active and passive parts of MF-RPCD are optimally designed to ensure the stable operation of MF-RPCD. Finally, the correctness, feasibility and effectiveness of the proposed topology and functions are verified using simulations and experiments.

Suggested Citation

  • Zejun Huang & Yuchao Hou & Huaying Zhang & Huicong Liu & Xiaorui Liang & Qi Guo, 2024. "A Multi-Functional Reactive Power Compensation Device with the Capability of Grounding Fault Regulation and Its Parameter Design Method," Energies, MDPI, vol. 17(18), pages 1-17, September.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:18:p:4531-:d:1474693
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