The Initiation and Propagation of Electrical Trees at Different Electric Field and Temperature in XLPE
Xu Yang1, Hu Libin1, Chen Xiangrong1, Feng Yi2, Ren Zhigang2
1. State Key Laboratory of Power Equipment and Electrical Insulation Xi’an Jiaotong University Xi’an 710049 China; 2. Beijing Electric Power Research Institute Beingjing 100031 China
Abstract：The initiation and propagation of electrical trees at different electric field and temperature in XLPE is studied with the needle-plane electrode system. The experiments results show that the initiation time shows great dispersion when electric field is low, and the dispersion decreases with increase of field. Electrical trees initiation becomes easier when the temperature is higher, but the amount of increase is not so great. Temperature shows great influence on the propagation of electrical tree, both the speed and structure. The results also suggest that the microstructure of polymers plays an important part in electrical treeing.
徐阳, 胡丽斌, 陈向荣, 冯义, 任志刚. 不同外施电场及温度下XLPE中电树枝的引发及生长规律[J]. 电工技术学报, 2013, 28(1增): 133-137.
Xu Yang, Hu Libin, Chen Xiangrong, Feng Yi, Ren Zhigang. The Initiation and Propagation of Electrical Trees at Different Electric Field and Temperature in XLPE. Transactions of China Electrotechnical Society, 2013, 28(1增): 133-137.
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2013, Vol. 28 
