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Wei Liu, Yuanchao Hu, Haipeng Tian, Zhipeng Jiang, Xiaole Su, Jie Xiong, Wei Su and Yi Wang
Existing transmission lines and pipelines are frequently crossed and erected in parallel, meaning that if lightning strikes a wire and causes insulator flashovers, the resulting lightning current will spread through the grounding of the tower where the f...
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Zhibin Qi, Ruiping Zhang, Jianqiao Ma, Xiangfei Wang, Lei Ma, Zongyu Zhao and Youqiang Wu
To study the icing flashover characteristics displayed by insulators on the roof of a high-speed train at a low-speed or static state, an environment with a low temperature and high humidity is established in the artificial climate chamber to carry out t...
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Mohamed Beshir, Karim Omar, Felipe Roman Centeno, Samuel Stevens, Lesley Gibson and David Rush
According to recent UN reports, it is estimated that more than one billion people live in informal settlements globally, exposing them to a large potential fire risk. In previous research, it was found that the main fire spread mechanism between dwelling...
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Shan Lu, Xinwei Wang, Tianzheng Wang, Xinran Qin, Xilin Wang and Zhidong Jia
The composition of contamination deposited on transmission line insulators can affect their surface flashover voltage. Currently, there is no rapid on-line method to detect this contamination composition in power grids. In this paper, we applied laser-in...
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Jingwei Xu, Fanghui Yin, Longji Li, Qingfeng Wen, Hao Wang, Shunnan Liu, Zhidong Jia and Masoud Farzaneh
External insulation design in wet snow conditions.
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Yunhua He, Yuling Yang, Xinliang Guo and Huanhuan Xia
Pollution flashover accidents pose a great threat to the safe and stable operation of a power system, and superhydrophobic materials have broad application prospects in the field of pollution flashover prevention of the external insulation of transmissio...
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Mingxi Zhu, Liming Wang, Fanghui Yin, Masoud Farzaneh, Hongwei Mei and Lu Wen
High-voltage bushings play a crucial role in energy conveyance. Their specialized electric structure makes the bushing more vulnerable to surface discharge. However, the influence of a vertical electric field on the surface flashover of bushing structure...
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Tao Luo, Chen Cao
Pág. 47 - 52
The region model analysis is an important method for analyzing the interior fire hazard. Based on the mass conservation equation and energy conservation equation of the pre-flashover interior fire hazard development, the formulae required by computer pro...
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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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Qing Yang, Rui Wang, Wenxia Sima, Chilong Jiang, Xing Lan and Markus Zahn
In order to study the flashover mechanism of polluted insulators under AC voltage, a new arc propagation criterion which is based on an arc root voltage gradient is proposed. This criterion can explain the variation of the arc root voltage gradient in th...
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