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1494 / 2020-09-29 17:52:02
Breakdown Characteristics of the Insulating Medium in Foil-film Capacitors Under DC Superimposed Harmonic Voltage at Different Temperatures
breakdown characteristics; foil-film capacitor; harmonic content; insulating medium; temperature
High Voltage and Insulation Technology > High voltage testing and measurement
终稿
Tian Fang / Huazhong University of Science and Technology
Hua Li / Huazhong University of Science and Technology；School of Electrical and Electronic Engineering
Letian Tang / Huazhong University of Science and Technology；School of Electrical and Electronic Engineering
Jiang Guo / China Electric Power Research Institute；China Electric Power Research Institute Co., Ltd. Wu Han
Qingdong Zhu / State Grid；State Grid Shandong Electric Power Company Electric Power Research Institute
With the increasing application of nonlinear electrical equipment in the industrial field, the harmonic content in the power grid is gradually increasing, which brings great harm to the foil-film capacitors used in the system. In order to study the breakdown characteristics of the dielectric in the foil-film capacitor under DC superimposed harmonic voltage at different temperatures, a breakdown test platform is established for the foil-film capacitor immersed in benzyl toluene and the foil-film capacitor elements are subjected to DC voltage, DC superimposed 3rd harmonic voltage, DC superimposed 5th harmonic voltage at 40℃, 55℃, 70℃ and 85℃ respectively. The results show that under the same type of voltage, the breakdown strength of the insulating medium in the foil-film capacitors decreases with the increasing temperature. Besides, in the temperature range of 40℃~85℃, the breakdown strength of the insulating medium of the foil-film capacitors decreases with the increase of the harmonic order of the harmonic voltage at the same temperature.

 
重要日期

  • 会议日期

    11月02日

    2020

    至

    11月04日

    2020

  • 10月27日 2020

    初稿截稿日期

  • 11月03日 2020

    报告提交截止日期

  • 11月04日 2020

    注册截止日期

  • 11月17日 2020

    终稿截稿日期

主办单位
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
承办单位
Huazhong University of Science and Technology
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