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Effect of micron ZnO doping on the charge accumulation and dissipation characteristics of EPDM surface
ID：102 View Protection：ATTENDEE Updated Time：2022-08-29 11:08:28 Hits：295 Oral Presentation

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Abstract
高压电缆端子具有复杂的绝缘结构，内部电场分布不均匀，导致局部电场畸变，电缆端子安装过程中产生的划痕、导电颗粒和频繁过电压工作条件等杂质会加剧绝缘材料的劣化，甚至导致电气设备的击穿事故。为了研究微米ZnO陶瓷颗粒对三元乙丙橡胶材料表面电荷积累和耗散特性的影响，建立了制备ZnO/EPDM复合材料的平台，并通过改变掺杂的ZnO微米颗粒量制备了几组试样。在电荷耗散过程中测量复合材料的表面电位分布和复合材料表面电位的衰减曲线。结果表明，复合试样的表面电位呈钟形分布，在耗散过程中能保持其形状，复合表面电荷有两种耗散模式：沿复合材料内部耗散和沿复合材料表面耗散;随着填料浓度的增加，复合材料的耗散速率增加，起始电压幅度减小。
 
Keywords
EPDM,charge accumulation,charge dissipation,micron ZnO
Speaker
Minbin He
Southwest Jiaotong University

Submission Author
Minbin He Southwest Jiaotong University
Guoqiang Gao Southwest Jiaotong University
bo Li 西南交通大学
凯 刘 西南交通大学;电气工程学院
bo gao School of Electrical Engineering； Southwest Jiaotong University
Jiamin Zhu Zhu Southwest Jiaotong University
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    Sep 25

    2022

    to

    Sep 29

    2022

  • Aug 15 2022

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  • Sep 10 2022

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  • Nov 10 2022

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  • Nov 30 2022

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  • Nov 30 2022

    Final Paper Deadline

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