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77 / 2022-03-10 20:13:53
Effect of Thermal Aging on Voltage Stabilizers to Enhance Electrical Properties of Silicone Rubber
silicone rubber,Voltage stabilizer;,Thermal Ageing;,space charge,breakdown
7. High Voltage Cable Insulation
终稿
Xiaoqian Zhu / Tsinghua University
Yuanxiang Zhou / Tsinghua University
Yunxiao Zhang / Tsinghua University
Xin Huang / Tsinghua University
To further explore the long-term influence of voltage stabilizers on silicone rubber (SiR), the electrical properties of unmodified SiR and SiR modified by two types of voltage stabilizers with high electron affinity were investigated after thermal aging. In this paper, three different kinds of SiR were thermally aged for 0, 40, and 80 days at 120℃. Then the characterization and electrical properties measurements were carried out. The results showed that the breakdown strength of SiR modified by voltage stabilizers after aging was still significantly higher than that of the unmodified SiR and that the conductivity of modified SiR reduced slightly at all aging stages. In addition, the space charge characteristics of the modified SiR also improved after aging. There were two main reasons. First, the cross-linked degree of SiR increased during the aging process. Second, the voltage stabilizers with high electron affinity migrated during the aging process and slowed down the thermal aging process of the SiR.

 
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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