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Calculation of Temperature Rise of 500 kV Arrester Under Damp Condition and Analysis of Influencing Factors
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Yue SHEN1, 2, Jin-zhang PENG3, Zai-hua ZHANG3, Bo LIU4, Peng LI1, 2, Tian WU1, 2
Water Resources and Power | 2023, 41(6) : 211 - 215
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Water Resources and Power | 2023, 41(6): 211-215
• ELECTRICAL ENGINEERING •
Calculation of Temperature Rise of 500 kV Arrester Under Damp Condition and Analysis of Influencing Factors
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Yue SHEN1, 2, Jin-zhang PENG3, Zai-hua ZHANG3, Bo LIU4, Peng LI1, 2, Tian WU1, 2
Affiliations
  • 1.Hubei Provincial Engineering Technology Research Center for Power Transmission Line, China Three Gorges University, Yichang 443002, China
  • 2.College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443002, China
  • 3.State Grid Hubei Huangshi Power Supply Company, Huangshi 435000, China
  • 4.Wuhan NARI Limited Company, State Grid Electric Power Research Institute, Wuhan 430074, China
Published: 2023-06-25 doi: 10.20040/j.cnki.1000-7709.2023.20221495
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Aiming at the problem that the convective heat transfer coefficient depends on experience in the calculation process of arrester temperature rise, a method of determining convective heat transfer coefficient was proposed. The temperature field distribution inside the arrester was studied. The influences of pollution, wind speed and sunshine on the temperature rise of the arrester at different damp degree and different damp positions were analyzed. The results show that under different influencing factors, the convective heat transfer coefficient of the arrester ranges from 5 to 31, 27 to 35 and 19 to 34 W/(m2·℃), respectively. The pollution location will affect the temperature rise distribution of MOA surface, and the greater the degree of moisture, the more significant the impact on temperature rise. With the increase of wind speed, the temperature on the valve plate decreases slightly. However, the surface temperature decreases greatly. The influence of sunshine on the temperature rise of lightning arrester is obviously increased, but it is smaller than that of pollution and wind speed.

arrester  /  temperature rise  /  damp  /  convection heat transfer coefficient  /  pollution  /  wind speed
Yue SHEN, Jin-zhang PENG, Zai-hua ZHANG, Bo LIU, Peng LI, Tian WU. Calculation of Temperature Rise of 500 kV Arrester Under Damp Condition and Analysis of Influencing Factors[J]. Water Resources and Power, 2023 , 41 (6) : 211 -215 . DOI: 10.20040/j.cnki.1000-7709.2023.20221495
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221495
  • Receive Date：2022-07-20
  • Online Date：2026-01-28
  • Published：2023-06-25
Article Data
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History
  • Received：2022-07-20
  • Revised：2022-08-28
Funding
Affiliations
    1.Hubei Provincial Engineering Technology Research Center for Power Transmission Line, China Three Gorges University, Yichang 443002, China
    2.College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443002, China
    3.State Grid Hubei Huangshi Power Supply Company, Huangshi 435000, China
    4.Wuhan NARI Limited Company, State Grid Electric Power Research Institute, Wuhan 430074, China
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表12种不同金属材料的力学参数
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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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