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Study on Surface Charge Accumulation Characteristics of Resin Impregnated Paper Wall Bushing Core Under Positive DC Voltage

Author

Listed:
  • Ming Chen

    (State Key Laboratory of Electrical Insulation and Power Equipment, Xian Jiaotong University, Xi’an 710049, China)

  • Xuandong Liu

    (State Key Laboratory of Electrical Insulation and Power Equipment, Xian Jiaotong University, Xi’an 710049, China)

  • Chengjun Liang

    (State Key Laboratory of Electrical Insulation and Power Equipment, Xian Jiaotong University, Xi’an 710049, China)

  • Yi Zhao

    (State Key Laboratory of Electrical Insulation and Power Equipment, Xian Jiaotong University, Xi’an 710049, China)

  • Hao Tang

    (China Electric Power Research Institute, Beijing 100192, China)

Abstract

As a critical component of a high-voltage direct current (HVDC) transmission system, resin impregnated paper (RIP) wall bushing has become a weak point because of its surface charge accumulation. This paper studies a model RIP wall bushing core designed by the equal capacitance method. The stationary resistive field along the gas–solid interface of the RIP wall bushing core is investigated theoretically by a gas model, which considers the non-linearly field-dependent volume conductivity. The results show that the gas conductivity along the core surface tends to be an arched distribution from the high-voltage conductor to the end shielding screen. The surface charge mainly accumulates at the turning point of the radius, which may threaten the core’s insulation. Then, the surface charge is obtained through a measurement system, where the experimental results are highly consistent with the simulation results. Considering the time constant of charge dissipation is nearly 15 min, it would be better to measure the surface charge on one axial direction of RIP wall bushing core after each voltage application. The simulation and experimental results of this paper can guide the design of a RIP wall bushing core.

Suggested Citation

  • Ming Chen & Xuandong Liu & Chengjun Liang & Yi Zhao & Hao Tang, 2019. "Study on Surface Charge Accumulation Characteristics of Resin Impregnated Paper Wall Bushing Core Under Positive DC Voltage," Energies, MDPI, vol. 12(23), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:23:p:4420-:d:289354
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    References listed on IDEAS

    as
    1. Raheel Muzzammel, 2019. "Traveling Waves-Based Method for Fault Estimation in HVDC Transmission System," Energies, MDPI, vol. 12(19), pages 1-31, September.
    2. Hao Tang & Guangning Wu & Ming Chen & Jiang Deng & Xining Li, 2019. "Analysis and Disposal of Typical Breakdown Failure for Resin Impregnated Paper Bushing in the Valve Side of HVDC Converter Transformer," Energies, MDPI, vol. 12(22), pages 1-13, November.
    3. I-Ming Hung & Ripon Bhattacharjee, 2016. "Effect of Photoanode Design on the Photoelectrochemical Performance of Dye-Sensitized Solar Cells Based on SnO 2 Nanocomposite," Energies, MDPI, vol. 9(8), pages 1-11, August.
    4. Mingxi Zhu & Liming Wang & Fanghui Yin & Masoud Farzaneh & Hongwei Mei & Lu Wen, 2018. "The Effect of a Vertical Electric Field on the Surface Flashover Characteristics of a Bushing Model," Energies, MDPI, vol. 11(6), pages 1-14, June.
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    Cited by:

    1. Qian Wang & Xidong Liang & Ke Chen & Chao Wu & Shan Liu, 2021. "Surface Charge Properties of Epoxy Composites under DC Voltage Affected by Surface and Bulk Conductivity," Energies, MDPI, vol. 14(2), pages 1-12, January.

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