Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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沿面介质阻挡放电装置静电场影响因素研究

来源:电工电气发布时间:2016-06-27 10:27 浏览次数:8
沿面介质阻挡放电装置静电场影响因素研究
 
李猛1,2,杨镇宁1,2,李俊豪1,2,吴小钊1,2
(1 许继集团有限公司,河南 许昌 461000;2 许昌许继德理施尔电气有限公司,河南 许昌 461000)
 
    摘 要:以螺环型沿面放电作为研究对象,利用有限元仿真软件对沿面介质阻挡放电装置进行静电场的仿真分析,研究激励电压、高压电极线径、高压电极间距( 螺距)、介质厚度及介质相对介电常数等对沿面介质阻挡放电装置静电场的影响。仿真结果表明:在气隙的同一位置,场强随电压的升高而线性增大,随线径的减小而非线性减小,随介质厚度的增加而非线性减小,随相对介电常数的增大而非线性增大。选取电极线径较小、介质厚度薄、较大相对介电常数的介质,均可以降低放电起始电压。
    关键词:沿面介质阻挡放电;放电特性;电场分析;结构优化
    中图分类号:TM854       文献标识码:A       文章编号:1007-3175(2016)06-0007-05
 
Research on Influencing Factors of Electrostatic Field in
Surface Dielectric Barrier Discharging Device
 
LI Meng1,2, YANG Zhen-ning1,2, LI Jun-hao1,2, WU Xiao-zhao1,2
(1 XJ Group Corporation, Xuchang 461000, China; 2 XJ-Driescher Wegberg Electric Co., Ltd, Xuchang 461000, China)
 
    Abstract: Taking a cylinder surface discharge reactor as the object, this paper simulated and analyzed the surface dielectric barrier discharge device by using finite element analyzing software. This paper researched on the influence of excitation voltage, high voltage electrode wire diameter and screw pitch, dielectric thickness and relative dielectric constant of dielectric etc on the static electrical field of surface dielectric barrier discharge device. The simulation results show that in the same position of air gap the electric field increases linearly with the increase of the applied voltage, reduces nonlinearly with the reduce of the wire diameter, reduces nonlinearly with the increase of the thickness of the dielectric and increases nonlinearly with the increase of relative dielectric constant. The selection of smaller diameter of the electrode, thicker dielectric or dielectric with larger relative dielectric constant could reduce discharge inception voltage.
    Key words: surface dielectric barrier discharge; discharge characteristic; electric field analysis; structural optimization
 
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