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98 / 2022-03-13 09:46:49
Comparative Analysis of Partial Discharge and Mechanical Vibration Characteristics under Loose Bus Base with Foreign Body Defect of GIS
GIS equipment,Mechanical defects,Vibration,Partial discharge
15. Online Condition Monitoring, Fault Diagnosis
终稿
Hao Jian / State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University
Yilin Ding / State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University
Ying Li / Chongqing University
Xu Li / State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University
西平 蒋 / 国网重庆市电力公司电力科学研究院
Huadong Peng / State Grid Chongqing Electric Power Company, Chongqing Electric Power Research Institute


The mechanical defect of GIS equipment is important factor that endangers the safe and stable operation of GIS equipment. In order to explore the partial discharge and vibration signal characteristics of GIS equipment under mechanical defects, this paper carried out the setting of loose bus base with foreign body defect based on the 550 kV GIS mechanical defect simulation platform. Partial discharge and mechanical vibration signal detection were carried out. The discharge and vibration characteristics of mechanical defect under different voltages and currents were compared and analyzed, and the mechanism was explained. The results show that, the loose bus base with foreign body defect of GIS can cause partial discharge and abnormal mechanical vibration. The amplitude of discharge signal increases with the increase of voltage and presents the characteristics of free particle discharge. The amplitude of vibration signal will increase with the increase of voltage and current, and produce vibration components twice of the frequency of voltage and current, and there is coupling between them. The vibration signal contains 1000-1300 Hz harmonic component, but there is no discharge vibration characteristic. The conclusion of this paper can provide reference for multi-parameter joint fault detection of operating GIS equipment.

 
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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