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Simulation of contamination deposition on porcelain insulators of transmission lines in Ningxia under high concentration industrial dust environment
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Jinpeng HAO1, Xuan LIU2, Hong WU1, Shitao LIU1, Zhonghua XIANG1, Guohua YANG2
Insulating Materials | 2023, 56(7) : 82 - 88
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Insulating Materials | 2023, 56(7): 82-88
• Test and Analysis •
Simulation of contamination deposition on porcelain insulators of transmission lines in Ningxia under high concentration industrial dust environment
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Jinpeng HAO1, Xuan LIU2, Hong WU1, Shitao LIU1, Zhonghua XIANG1, Guohua YANG2
Affiliations
  • 1Power Research Institute of State Grid Ningxia Electric Power Co., Ltd., Yinchuan 750011, China
  • 2School of Electronic and Electrical Engineering, Ningxia University, Yinchuan 750021, China
Published: 2023-07-20 doi: 10.16790/j.cnki.1009-9239.im.2023.07.013
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In view of the high concentration of industrial dust pollution in some areas of Ningxia at present, considering the actual situation of uneven roughness of insulator surface in Ningxia power grid, the pollution particle deposition model of insulator surface under high pollution coverage was obtained based on the principle of energy conservation. The multiple physical field coupling insulator natural pollution simulation model was built by using COMSOL simulation software. Taking porcelain insulators of 110 kV AC transmission line near an industrial park in Wuzhong, Ningxia as the research object, the coupling effects of wind speed, particle size, pollution composition, and voltage type on the natural contamination characteristics of insulator surface were simulated. The results show that the pollution adhesion rate in the AC field shows irregular "M" shape along the shed, and the adhesion rate of silica is the highest. In the DC field, the pollution adhesion rate shows "U" shape along the shed, and the adhesion rate of iron oxide is the highest. Compared with the simulation model of insulator contamination on uniform rough surface, the model proposed in this paper can effectively improve the accuracy of simulation results and better reflect the contamination distribution of each shed of insulator string in the high-pollution industrial dust environment.

AC line  /  porcelain insulator  /  natural pollution  /  equivalent salt and ash density  /  industrial dust
Jinpeng HAO, Xuan LIU, Hong WU, Shitao LIU, Zhonghua XIANG, Guohua YANG. Simulation of contamination deposition on porcelain insulators of transmission lines in Ningxia under high concentration industrial dust environment[J]. Insulating Materials, 2023 , 56 (7) : 82 -88 . DOI: 10.16790/j.cnki.1009-9239.im.2023.07.013
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2023.07.013
  • Receive Date：2022-07-11
  • Online Date：2025-11-24
  • Published：2023-07-20
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  • Received：2022-07-11
  • Revised：2022-09-12
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    1Power Research Institute of State Grid Ningxia Electric Power Co., Ltd., Yinchuan 750011, China
    2School of Electronic and Electrical Engineering, Ningxia University, Yinchuan 750021, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2023.07.013
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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