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AC Flashover Performance of 10 kV Rod-Plane Air-Gapped Arresters under Rain Conditions

Author

Listed:
  • Jiazheng Lu

    (State Key Laboratory of Disaster Prevention & Reduction for Power Grid Transmission & Distribution Equipment, State Grid Hunan Electric Power Corporation Disaster Prevention & Reduction Center, Changsha 410007, China)

  • Pengkang Xie

    (State Key Laboratory of Disaster Prevention & Reduction for Power Grid Transmission & Distribution Equipment, State Grid Hunan Electric Power Corporation Disaster Prevention & Reduction Center, Changsha 410007, China)

  • Jianping Hu

    (State Key Laboratory of Disaster Prevention & Reduction for Power Grid Transmission & Distribution Equipment, State Grid Hunan Electric Power Corporation Disaster Prevention & Reduction Center, Changsha 410007, China)

  • Zhenglong Jiang

    (State Key Laboratory of Disaster Prevention & Reduction for Power Grid Transmission & Distribution Equipment, State Grid Hunan Electric Power Corporation Disaster Prevention & Reduction Center, Changsha 410007, China)

  • Zhen Fang

    (State Key Laboratory of Disaster Prevention & Reduction for Power Grid Transmission & Distribution Equipment, State Grid Hunan Electric Power Corporation Disaster Prevention & Reduction Center, Changsha 410007, China)

Abstract

According to operational experience of power systems, the outdoor insulation strength can be reduced due to the effect of rain. Till now, little work has been done to investigate the flashover performance of air gapped arresters under rain conditions. Therefore, in this paper, experiments were carried out and the AC flashover performance of 10 kV arresters with different air gap structures was studied. The experimental results show that, for the tested arresters, the flashover current mainly flows through the air gaps and zinc oxide varistors under rain conditions. It is also confirmed that the flashover voltages decrease with the increasing of rain intensity and conductivity. In the windward direction, the wind can distort the water streams between the air gaps and rise the flashover voltages. In the leeward direction, if the rod electrode is beyond the range of the plane electrode, the flashover voltage researches the smallest value when the wind speed is 4 m/s. Analysis and discussions have been done to explain the experimental results, and the research in this paper may provide reference to improve the flashover performance of air gapped arresters under rain conditions.

Suggested Citation

  • Jiazheng Lu & Pengkang Xie & Jianping Hu & Zhenglong Jiang & Zhen Fang, 2018. "AC Flashover Performance of 10 kV Rod-Plane Air-Gapped Arresters under Rain Conditions," Energies, MDPI, vol. 11(6), pages 1-11, June.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:6:p:1563-:d:152513
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    References listed on IDEAS

    as
    1. Zidan Jiang & Xingliang Jiang & Zhijin Zhang & Yujun Guo & Yongfu Li, 2017. "Investigating the Effect of Rainfall Parameters on the Self-Cleaning of Polluted Suspension Insulators: Insight from Southern China," Energies, MDPI, vol. 10(5), pages 1-13, May.
    2. Jiazheng Lu & Pengkang Xie & Zhenglong Jiang & Zhen Fang & Wei Wu, 2018. "Voltage Distribution and Flashover Performance of 220 kV Composite Insulators under Different Icing Conditions," Energies, MDPI, vol. 11(3), pages 1-13, March.
    3. Chao Zhou & Jiaqi Yin & Yibing Liu, 2018. "Large Swing Behavior of Overhead Transmission Lines under Rain-Load Conditions," Energies, MDPI, vol. 11(5), pages 1-15, April.
    4. Yaqi Zhang & Licheng Li & Yongxia Han & Yaoxuan Ruan & Jie Yang & Hansheng Cai & Gang Liu & Yi Zhang & Lei Jia & Yutang Ma, 2018. "Flashover Performance Test with Lightning Impulse and Simulation Analysis of Different Insulators in a 110 kV Double-Circuit Transmission Tower," Energies, MDPI, vol. 11(3), pages 1-13, March.
    5. Xingliang Jiang & Quanlin Wang & Zhijing Zhang & Jianlin Hu & Qin Hu & Chengzhi Zhu, 2017. "Ion Migration in the Process of Water Freezing under Alternating Electric Field and Its Impact on Insulator Flashover," Energies, MDPI, vol. 10(1), pages 1-17, January.
    6. Shilong Huang & Yunpeng Liu & Shaoshuai Chen & Guangyang Zhou & Wenbing Zhuang, 2018. "Corona Onset Characteristics of Bundle Conductors in UHV AC Power Lines at 2200 m Altitude," Energies, MDPI, vol. 11(5), pages 1-14, April.
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    Cited by:

    1. Yanpeng Hao & Yifan Liao & Zhiqiang Kuang & Yijie Sun & Gaofeng Shang & Weixun Zhang & Guiyun Mao & Lin Yang & Fuzeng Zhang & Licheng Li, 2020. "Experimental Investigation on Influence of Shed Parameters on Surface Rainwater Characteristics of Large-Diameter Composite Post Insulators under Rain Conditions," Energies, MDPI, vol. 13(19), pages 1-16, September.
    2. Yifan Liao & Qiao Wang & Lin Yang & Zhiqiang Kuang & Yanpeng Hao & Chuyan Zhang, 2021. "Discharge Behavior and Morphological Characteristics of Suspended Water-Drop on Shed Edge during Rain Flashover of Polluted Large-Diameter Post Insulator," Energies, MDPI, vol. 14(6), pages 1-14, March.
    3. Zhen Fang & Bowen Wang & Jiazheng Lu & Zhenglong Jiang, 2018. "Study on Impulse Breakdown Characteristics of Internal-Gap Lightning Protection Device Applied to 35 kV Distribution Line," Energies, MDPI, vol. 11(7), pages 1-13, July.

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