Characterisation of the Impact of Reradiation Interference on Transmission Lines Based on Characteristic Mode Theory

被引：0
|
作者：
Huang, Li [1 ]
Zhang, Wanwan [1 ]
Tang, Jiahui [1 ]
Tang, Bo [1 ]
Zhang, Jiangong [2 ]
Zhao, Zhibin [3 ]
机构：
[1] China Three Gorges Univ, Coll Elect Engn & New Energy, Yichang, Peoples R China
[2] State Key Lab Power Grid, Elect Power Res Inst, Environm Protect China, Wuhan, Peoples R China
[3] North China Elect Power Univ, Coll Elect & Elect Engn, Beijing, Peoples R China
来源：
2024 6TH ASIA ENERGY AND ELECTRICAL ENGINEERING SYMPOSIUM, AEEES 2024 | 2024年
基金：
中国国家自然科学基金;
关键词：
Characteristic mode theory; mode currents; reradiation interference; tower stall; POWER-LINES;
D O I：
10.1109/AEEES61147.2024.10544649
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：
The reradiation interference of transmission lines to nearby radio equipment is affected by many factors, among which the pylons and ground lines in transmission lines have a greater impact on it. In view of the reradiation interference generated by transmission lines, it is proposed to study and analyse the different characteristic modes of transmission lines based on the theory of characteristic modes when the angle of transmission lines and the distance between stalls are changed. According to the single-tower equivalence model, the transmission line model with five towers is established, and then based on the Characteristic mode theory, the existence of ground wires in the transmission line and several Characteristic modes of the transmission line after the change of tower spacing are calculated, and the first three transmission lines with great influence on the transmission line are selected to analyze the existence of the induced current circuit and the distribution of the characteristic modes. The results show that the ground wire has a great influence on the reradiation interference of the transmission line, and when the tower distance of the transmission line changes, the reradiation interference of the transmission line changes. The reradiation interference value of the observation point can be reduced by adjusting the tower spacing and tower structure of the transmission line, so as to suppress the interference of the transmission line to the surrounding radio equipment.
引用
收藏
页码：93 / 98
页数：6
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