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Calculation on the Ion Flow Field under HVDC Transmission Lines Considering Wind Effects
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 Title & Authors
Calculation on the Ion Flow Field under HVDC Transmission Lines Considering Wind Effects
Wu, Jing; Gao, Sheng; Liu, Yuxiao;
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 Abstract
Based on Deutsch assumption, a calculation method on the electric field over the ground surface under HVDC transmission lines in the wind is proposed. Analyzing the wind effects on the electric field and the space charge density the existing method based on Deutsch assumption is improved through adding the wind speed to the ion flow field equations. The programming details are illustrated. The calculation results at zero wind speed are compared with available data to validate the code program. Then the ionized fields which resulted from corona of ±800kV HVDC lines are analyzed. Both the electric field and the current density on the ground level are computed under different wind direction and speed. The computation results are in good agreement with measurements. The presented method and code program can be used to rapidly predict and evaluate the wind effects in HVDC transmission engineering.
 Keywords
Corona;Deutsch assumption;HVDC transmission line;Ion flow field;Wind effects;
 Language
English
 Cited by
 References
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