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23 / 2020-09-24 10:32:58
Aging Evaluation of 10kV overhead Cables Based on Frequency Domain Spectroscopy
Insulation evaluation method, overhead insulated lines, thermal aging, frequency domain spectroscopy
High Voltage and Insulation Technology > Sensing, monitoring and diagnostics
终稿
Baipeng Song / Xi'an Jiaotong University
With the extensive application of 10kV overhead insulated lines, grounding accidents caused by insulation degradation or damage seriously affect reliable operation of the distribution network. The insulation status of overhead insulated lines is comprehensive result of complicated operating conditions, such as thermal aging, damp oxidation and transient overvoltage damage. Thus degradation status assessment is of great significance to power supply safety. In this paper, frequency domain spectroscopy (FDS) method is applied to evaluate degradation status of various aging overhead insulated lines. Firstly, accelerated thermal aging samples in 80℃ are prepared, and quantization parameters obtained are assessed corresponding to aging statues. As the aging time increases, the loss peaks appearing in the complex permittivity and complex capacitance gradually shifts to low frequencies, and the loss peaks finally decreases. The verification results show that FDS method is an effective and rapid access of degradation status assessment.
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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