输电线路防雷屏蔽及雷击仿真模型

2001 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.01CH37225) Pub Date : 2001-10-14 DOI:10.1109/CEIDP.2001.963630

H. Zhan, Fuchang Lin, Xiaoyu Wang

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引用次数: 9

摘要

针对现有雷电屏蔽理论(电几何模型和引线传播模型)的不足，研究了雷击的物理过程和传输线屏蔽失效的散射。提出了输电线路防雷屏蔽的一些新知识和仿真理论。提出了一种基于放电概率的输电线路雷击仿真模型。将该模型应用于500kv ZM/sub 1/-39输电线路的屏蔽故障率计算。该模型的计算结果与现场经验吻合较好。

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Lightning shielding of transmission line and lightning stroke simulation model

In view of the insufficiencies of present lightning shielding theory (electrogeometric model and leader propagation model), the physical process of lightning stroke and the scatter of shielding failure on transmission line were studied. Some new knowledge of lightning shielding of transmission line and the simulation theory is proposed. A lightning stroke simulation model of transmission line, which is based on the probability of discharge, is proposed. The model was applied to calculate the rate of shielding failure of 500 kV ZM/sub 1/-39 transmission line. Calculated results using the proposed model show good agreement with field experiences.

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来源期刊

2001 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.01CH37225)

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