Calculation of ion flow field for ±800 kV transmission line of double circuit on same tower

被引：0

作者：

Li, Yongming ^{[1
]}

Chai, Xiandong ^{[1
]}

Zhang, Huaiqing ^{[1
]}

Wang, Qin ^{[2
]}

Guo, Dayong ^{[2
]}

Zhu, Yanju ^{[2
]}

机构：

[1] State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing University, Chongqing 400044, China

[2] Electric Power Supply Bureau of Hefei, Hefei 230000, China

来源：

Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2013年 / 33卷 / 06期

关键词：

Ions - Electric network analysis - Current density - Electric lines - Electric corona - UHV power transmission;

D O I：

10.3969/j.issn.1006-6047.2013.06.025

中图分类号：

学科分类号：

摘要：

The analytical method based on Deutsch assumption is adopted to calculate and analyze the effect of structural parameters of transmission line on the ground electric field and ion current density, which considers the effect of the double circuit structure of transmission line on the corona-starting electric field. Therefore the optimal conductor arrangement is obtained. Simulation results show that, with the same conductor size and height, the electromagnetic environment of double circuit line is obviously superior to that of single line and, by the reasonable control of circuit parameters, the conductor surface field can be depressed below the corona-starting electric field and ion current density to 0.

引用

页码：134 / 138

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