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825 / 2022-04-10 15:18:00
Research on Insulation State Evaluation and Detection Technology for 40.5kV Switchgear Wall Bushing
switchgear; wall bushing; equipotential line; electric field simulation; state detection
5. High Voltage Insulation System: Liquid, Solid Dielectrics
全文录用
niu bo / Power Research Institute of State Grid Ningxia Power Co.
Ying Wei / Power Research Institute of the State Grid Ningxia Power Company Limited
Wall bushing is the core insulator of 40.5kV air insulation switchgear, They often appears partial discharge, insulation aging, grounded breakdown, etc. The main reason is the partial discharge of the equipotential line for the wall bushing. In this paper, based on the electric field simulation of the equipotential line, the feasibility of the traditional live detection method is given. The characteristic gas detection method is proposed through air electrolysis, thermal decomposition, early warning of the development trend of the internal suspension defect state. It proposes corresponding preventive measures to avoid the development of internal suspension defect of wall bushing into a sudden grounding, and ensure the reliability of the system operation.

 
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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