FRACTAL CHARACTER OF DC TREES IN POLYMETHYLMETHACRYLATE

被引:30
作者
FUJII, M [1 ]
WATANABE, M [1 ]
KITANI, I [1 ]
ARII, K [1 ]
YOSHINO, K [1 ]
机构
[1] OSAKA UNIV,FAC ENGN,DEPT ELECTR ENGN,OSAKA,JAPAN
来源
IEEE TRANSACTIONS ON ELECTRICAL INSULATION | 1991年 / 26卷 / 06期
关键词
D O I
10.1109/14.108154
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
The fractal dimensions of dc trees in polymethylmethacrylate have been investigated using the self-correlation function. The fractal-established range is proportional to the tree length for both positive and negative polarities of the applied voltage. For positive polarity, the fractal dimension increases with increasing inception voltage and saturates at 1.5 to 1.6. For negative polarity, the fractal dimension is nearly constant, almost-equal-to 1.5, as a function of voltage.
引用
收藏
页码:1159 / 1162
页数:4
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