Research on a New Method to Measure Unbalance of Multiple-Circuit Transmission Lines on the Same Tower Considering the Impact of Ground Wire

被引：0
|
作者：
Wang, Yu Fei [1 ]
Xu, Xing [1 ]
Xue, Hua [1 ]
Sun, Lu [1 ]
机构：
[1] Shanghai Univ Elect Power, Sch Elect Engn, Shanghai 20090, Peoples R China
来源：
2015 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD) | 2015年
关键词：
multiple-circuit transmission lines on the same tower; connection modes of ground wire; unbalance; PSCAD; layout of phase sequence;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to provide theoretical guidance for optimized design and operation of multiple-circuit transmission lines on the same tower, a new method for measuring the line unbalance is proposed, which characterized its physical nature. Using PSCAD, the unbalance factors of the six-circuit transmission lines on the same tower are simulated and calculated, under different line lengths and different phase sequence layouts, the influence of connection patterns of the ground wires on line unbalance are comparatively analyzed. Results show the method is applicable and convenient, accurately reflecting the property of the line unbalance; the connection pattern of ground wires is the main factor that influences zero-sequence unbalance.
引用
收藏
页码：431 / 432
页数：2
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