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912 / 2022-08-27 11:57:14
The Morphology Development Law of Oil-paper Insulation White Mark with Different Moisture Content
oil-paper insulation; Needle-plate electrode model; moisture content; white mark; morphology
5. High Voltage Insulation System: Liquid, Solid Dielectrics
终稿
Yong Feng / School of Electrical Engineering；Chongqing University
Yongfu Li / State Grid Chongqing Electric Power Company Research Institute
Yingkai Long / State Grid Chongqing Electric Power Company Research Institute
Wei Qin / Chongqing Electric Power Company Electric Power Research Institute
Yang Lijun / China； Chongqing； 400044；?State Key Laboratory of Power Transmission Equipment & System Security and New Technology ? Chongqing University
Jiyu Wang / Chongqing University
Partial discharges in oil-paper insulation usually leads to the formation of white mark and have an effect on the insulation properties of the paperboard. In order to investigate the morphological characteristics of white mark during the growth phases and the effect on the insulation properties, experiments based on pinboard electrode model are carried out in this work. Through the white mark growth experiment of paperboard with different moisture content, the development process of oil-paper insulation white mark was observed and recorded by camera in real time. The results show that the white mark has two types of growth after initiation. The development process of type I is the initiation and growth of the white marks until the paperboard is breakdown, but the development process of type II shows the initiation, growth and disappearance of the white marks. The applied voltage is the main cause of this phenomenon.
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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