UNDERSTANDING ELECTRICAL TREEING PHENOMENA IN GAMMA RAY IRRADIATED XLPE CABLE INSULATION

被引：0
|
作者：
Sarathti, R. [1 ]
Aryanandiny, B. [1 ]
Tanaka, Toshtkatsu [2 ]
机构：
[1] IIT Madras, Dept Elect Engn, Madras 600036, Tamil Nadu, India
[2] Waseda Univ, IPS Res Ctr, Kitakyushu, Fukuoka, Japan
来源：
2012 IEEE 10TH INTERNATIONAL CONFERENCE ON THE PROPERTIES AND APPLICATIONS OF DIELECTRIC MATERIALS (ICPADM) | 2012年
关键词：
XLPE; Harmonics; Gamma-ray irradiation; Electrical Treeing; Weibull; Fractals;
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：
In gamma irradiated cable specimen, increase in harmonics, generates predominantly a tree like tree/fibrillar type of electrical trees. Weibull studies concludes that the life time of cable insulation failure due to electrical trees gets drastically reduced under high frequency AC voltage and with harmonic AC voltage with increased total harmonics distortion. The results of shape parameter indicate that increase in total harmonic distortion can cause exponential reduction in life of cable due to treeing. The fractal dimension of electrical trees generated under harmonic AC voltages lies in the range of 1.55-1.7.
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页数：4
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