Electromagnetic Environmental Impact of 500-kV Double -Circuit Transmission Lines

被引：0
|
作者：
Qi Jianzhao
机构：
来源：
Electricity | 2011年 / 22卷 / 01期
关键词：
transmission line; frequency electric field intensity; frequency magnetic field strength;
D O I：
暂无
中图分类号：
TM726 [输配电线路];
学科分类号：
080802 ;
摘要：
The strength of the power frequency electric intensity and magnetic field of the 500-kV double circuit transmission lines was calculated by using the equivalent charge method and the Ampere’s Law, and the environmental impact factors of the fields were evaluated. By optimizing the phase sequence, the frequency electric intensity and magnetic field strength can be reduced. Within a distance of 25 m from the center of the transmission line, the power frequency electric intensity and magnetic field strength fall off sharply with the distance increase. Finally, the best phase sequence and the minimum ground clearance of the transmission lines were obtained to meet the requirements of the least impact on envionment.
引用
收藏
页码：24 / 28
页数：5
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