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747 / 2022-03-31 20:25:02
Experimental study on single-phase incomplete grounding of 35kV transmission line under wildfire conditions
Transmission line; wildfire accident; incomplete grounding fault; grounding resistance; experimental research
9. Grounding Systems
摘要录用
Weijia Li / Chengdu University of Technology
  In recent years, there have been many forest fire accidents. Mountain fire disasters have a high probability of causing line trips, resulting in power outages, threatening the safe and stable operation of the power system. In order to study the single-phase faults of 35kV transmission lines caused by wildfires, a simulation test platform for wildfire faults of 35kV transmission lines under wildfire conditions was built, and a single-phase fault simulation test under wildfire conditions was carried out. Test waveforms and phenomena for phase conductor tests. The test found that when a single-phase-to-ground fault occurs in a transmission line under wildfire conditions, the voltage amplitude of the faulted phase is not always the lowest, and the voltage amplitude of the non-faulted phase will appear to be the lowest voltage. An equivalent circuit model of single-phase incomplete grounding is established. After calculation and analysis, it is found that when the grounding resistance is within a certain range, the fault phase voltage will not be the lowest phase. The results of this study can provide theoretical support for the study of measures to prevent wildfire accidents.

 
重要日期

  • 会议日期

    09月25日

    2022

    至

    09月29日

    2022

  • 08月15日 2022

    提前注册日期

  • 09月10日 2022

    报告提交截止日期

  • 11月10日 2022

    注册截止日期

  • 11月30日 2022

    初稿截稿日期

  • 11月30日 2022

    终稿截稿日期

主办单位
IEEE DEIS
承办单位
Chongqing University
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