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13 May 2024 Regularity and characteristics of ice coating galloping of overhead transmission lines in west coast of Bohai Sea
Wei Guo, Chenxi Zhou, Yangming Wang, Qingfeng Wen, Longji Li, Xuegang Li, Songbo Wang
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Proceedings Volume 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023); 131597F (2024) https://doi.org/10.1117/12.3024593
Event: Eighth International Conference on Energy System, Electricity and Power (ESEP 2023), 2023, Wuhan, China
Abstract
In order to study the regularity and characteristics of ice coating galloping of overhead transmission lines in the West coast of Bohai Sea, this paper analyzes four ice coating galloping events of overhead transmission lines in Tianjin in recent years, and analyzes the data of galloping and tripping of lines from the aspects of voltage level, Angle between line trend and wind direction, pitch distance and tower alignment. Four rules and characteristics are summarized. First, the galloping trip is more likely to occur in 110kV voltage class lines. Second, the closer the Angle between the line and the wind direction is to 90° vertical, the easier it is to galloping. Third, the dominant wind direction in Tianjin in winter is northerly, and the east-west line is prone to galloping in winter. Fourthly, the vertical arrangement of wires is more likely to have galloping trip than horizontal arrangement or triangular arrangement, and the multi-loop tower is more likely to have galloping trip than the single-loop tower.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Wei Guo, Chenxi Zhou, Yangming Wang, Qingfeng Wen, Longji Li, Xuegang Li, and Songbo Wang "Regularity and characteristics of ice coating galloping of overhead transmission lines in west coast of Bohai Sea", Proc. SPIE 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), 131597F (13 May 2024); https://doi.org/10.1117/12.3024593
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KEYWORDS
Ice
Coating
Statistical analysis
Data transmission
Meteorology
Power grids
Temperature metrology
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