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Study on Long-term Pollution Accumulation Characteristics of Insulators for UHV DC Lines Under Different Environmental Conditions
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Ruiping HUANG1, Liang TIAN1, Shitao LIU2, Xiaoguang LI3, Song GAO4, Ming LU5, Ziwei YAN6
Insulating Materials | 2021, 54(3) : 60 - 67
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Insulating Materials | 2021, 54(3): 60-67
• Insulation Technology •
Study on Long-term Pollution Accumulation Characteristics of Insulators for UHV DC Lines Under Different Environmental Conditions
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Ruiping HUANG1, Liang TIAN1, Shitao LIU2, Xiaoguang LI3, Song GAO4, Ming LU5, Ziwei YAN6
Affiliations
  • 1China Electric Power Research Institute, Beijing 100192, China
  • 2Research Institute of State Grid Ningxia Electric Power Co., Ltd., Yinchuan 750011, China
  • 3Electric Power Research Institute of State Grid Xinjiang Electric Power Co., Ltd., Urumqi 830011, China
  • 4Electric Power Research Institute of State Grid Jiangsu Electric Power Co., Ltd., Nanjing 210029, China
  • 5Electric Power Research Institute of State Grid Henan Electric Power Company, Zhengzhou 450052, China
  • 6China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd., Guangzhou 510663, China
Published: 2021-02-20 doi: 10.16790/j.cnki.1009-9239.im.2021.03.010
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Taking the UHV DC transmission line insulators under four typical climatic conditions such as extremely arid, semi-arid, semi humid, and humid as research objects, we conducted natural pollution accumulation tests on insulators. The pollution accumulation characteristics of UHV DC insulators under different environmental conditions were obtained, and the pollution accumulation characteristics of insulators with different umbrella types and hydrophobic surface were described. The results show that from the extremely arid region to humid region, both the ratio of ESDD to NSDD and uneven pollution coefficient of the insulators decrease. The ESDD ratio of bell-type insulator to outer umbrella insulator in humid area is 0.82, and the ESDD ratio of composite surface insulator to hydrophilic surface insulator of tension string in extremely arid and semi-arid areas is 1.64 and 1.85, respectively. The research results can provide a reference for the differential design of external insulation for UHV DC transmission lines at different environmental areas.

UHV DC  /  insulators  /  different meterorological environment  /  pollution accumulation characteristics
Ruiping HUANG, Liang TIAN, Shitao LIU, Xiaoguang LI, Song GAO, Ming LU, Ziwei YAN. Study on Long-term Pollution Accumulation Characteristics of Insulators for UHV DC Lines Under Different Environmental Conditions[J]. Insulating Materials, 2021 , 54 (3) : 60 -67 . DOI: 10.16790/j.cnki.1009-9239.im.2021.03.010
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2021.03.010
  • Receive Date：2020-02-23
  • Online Date：2026-01-26
  • Published：2021-02-20
Article Data
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History
  • Received：2020-02-23
  • Revised：2020-04-09
Funding
Affiliations
    1China Electric Power Research Institute, Beijing 100192, China
    2Research Institute of State Grid Ningxia Electric Power Co., Ltd., Yinchuan 750011, China
    3Electric Power Research Institute of State Grid Xinjiang Electric Power Co., Ltd., Urumqi 830011, China
    4Electric Power Research Institute of State Grid Jiangsu Electric Power Co., Ltd., Nanjing 210029, China
    5Electric Power Research Institute of State Grid Henan Electric Power Company, Zhengzhou 450052, China
    6China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd., Guangzhou 510663, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2021.03.010
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