Ability of Impedance on the Electrical Tree of ZnO/Epoxy Composites

被引：0
|
作者：
Yang G. [1 ]
Zhang Q. [1 ]
Wang D. [1 ]
Guo Y. [1 ]
Li P. [2 ]
机构：
[1] State Key Laboratory of Eco-hydraulics in Northwest Arid Region of China, Xi'an University of Technology, Xi'an
[2] Institute of Electrical and Information Engineering, Anhui University of Science and Technology, Huainan
来源：
Gaodianya Jishu/High Voltage Engineering | 2019年 / 45卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Dielectric property; Electrical tree; Epoxy resin; Initial discharging voltage; Nano-ZnO; Polymer composite;
D O I：
10.13336/j.1003-6520.hve.20181229007
中图分类号：
学科分类号：
摘要：
Nano-ZnO/epoxy composites containing various contents of nano-ZnO were prepared so as to study the influence of doping nanometer zinc oxide on the impedance of electrical tree in epoxy resin. And the dielectric properties and partial discharging tests were carried out by needle-plate electrodes. The growth of electric tree of the nanocomposites with different Nano-ZnO contents was observed. The experimental results reveal that nano-ZnO significantly enhances the ability of epoxy resin to inhibit the growth of electric tree. When the content of nano-ZnO is 3%, the initial discharging voltage of composites can reach the maximal 14.5 kV, which is 67.7% higher than that of pristine sample. As the the doping content of nano-ZnO increases, the deterioration area of electrical tree will decrease gradually at the same applied voltages. © 2019, High Voltage Engineering Editorial Department of CEPRI. All right reserved.
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页码：91 / 96
页数：5
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