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Jianlin Hu, Caixin Sun, Xingliang Jiang, Daibo Xiao, Zhijin Zhang and Lichun Shu
In this study, icing flashover performance tests of typical DC porcelain, glass, and composite insulators are systematically carried out in a multifunction artificial climate chamber. The DC icing flashover voltages of seven typical insulators under vari...
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Xiaojing Wang, Chenguo Yao, Caixin Sun, Qing Yang and Xiaoxing Zhang
A numerical study has been conducted to understand the mutual effect among nearby needles in a multi-needle electrode dielectric barrier discharge. In the present paper, a fluid-hydrodynamic model is adopted. In this model, the mutual effect among nearby...
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Yuanbing Zheng, Caixin Sun, Jian Li, Qing Yang and Weigen Chen
The development of the smart grid has resulted in new requirements for fault prediction of power transformers. This paper presents an entropy-based Bagging (E-Bagging) method for prediction of characteristic parameters related to power transformers fault...
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Tianyan Jiang, Jian Li, Yuanbing Zheng and Caixin Sun
This paper presents an Improved Bagging Algorithm (IBA) to recognize ultra-high-frequency (UHF) signals of partial discharges (PDs). This approach establishes the sample information entropy for each sample and the re-sampling process of the traditional B...
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Jianlin Hu, Caixin Sun, Xingliang Jiang, Qing Yang, Zhijin Zhang and Lichun Shu
In the current study, a multi-arc predicting model for DC critical flashover voltage of iced and pre-contaminated long insulator strings under low atmospheric pressure is developed. The model is composed of a series of different polarity surface arcs, ic...
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