Physical model of measuring space charge distribution by pressure wave propagation method for high voltage cable

被引：0

作者：

Sun, Yali ^{[1
]}

Zhang, Yewen ^{[1
,3
]}

Hole, Stephan ^{[1
,2
]}

Ma, Peng ^{[3
]}

Zheng, Feihu ^{[1
]}

An, Zhenlian ^{[1
]}

机构：

[1] Tongji Univ, Dept Elect Engn, Shanghai, Peoples R China

[2] ESPCI ParisTech, Paris, France

[3] Tongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai, Peoples R China

来源：

2016 INTERNATIONAL CONFERENCE ON CONDITION MONITORING AND DIAGNOSIS (CMD) | 2016年

关键词：

Space charge distribution; Pressure wave propagation method; High voltage cable; DIELECTRICS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Based on theoretical analysis of pressure wave propagation method for the space charge distribution measurement in the plate samples, this paper suggested the processing method of space charge distribution data measured in coaxial samples such as high voltage power cable. In terms of Poisson Equation, considering variety of the sample's electric field, dielectric constant and density of space charge disturbed by pressure waves, the influence on coaxial samples can be divided into two parts, sample deformation and particle displacement. Therefore, the voltage and current equations about the space charge distribution in the coaxial structure like high voltage cable were found. Comparing with the flat plate sample, the pressure wave focusing effect and the radial electric field in coaxial cable structure will have the important action on the results of Pressure Wave Propagation method (PWP).

引用

页码：251 / 253

页数：3

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