Reradiation Interference Suppression of Power Transmission Lines Based on Characteristic Mode Theory

被引：1
|
作者：
Tang, Bo [1 ]
Wang, Feng [1 ]
Zhang, Jiangong [2 ]
Liu, Ren [1 ]
Zhao, Zhibin [3 ]
机构：
[1] China Three Gorges Univ, Coll Elect Engn & New Energy, Yichang 443002, Hubei, Peoples R China
[2] China Elect Power Res Inst, State Key Lab Power Grid Environm Protect, Wuhan 430073, Hubei, Peoples R China
[3] North China Elect Power Univ, Coll Elect & Elect Engn, Beijing 100096, Peoples R China
来源：
IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING | 2024年 / 19卷 / 01期
基金：
中国国家自然科学基金;
关键词：
power transmission lines; RRI suppression; characteristic mode; reactive loading; generalized eigenvalue equation; RE-RADIATION; COMPUTATION; TOWERS;
D O I：
10.1002/tee.23935
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 decrease the reradiation interference (RRI) of power transmission lines, aiming at the defects that the existing RRI suppression methods cannot be applied to the constructed power transmission lines, and cannot suppress all the RRI extreme values in the frequency band, this paper innovatively proposes a RRI suppression method based on characteristic mode (CM) theory. Firstly, we briefly introduce the CM theory and decompose the total scattering field into the superposition of the characteristic electric fields; secondly, the influence of inductance and capacitance characteristics of the reactive loads on radiation behavior of the CMs is analyzed, and the ideal position for reactive loading is also discussed to reduce the contribution of CM to the total RRI; finally, a simulation experiment is carried out in AM broadcasting band, and the modal weighting coefficients of main CMs affecting the RRI is greatly reduced in the frequency band by reactive loading. Simulation results show that compared with the existing method, the proposed method can reduce the peak value of RRI by 43.9% and the overall RRI by 29.7%. (c) 2023 Institute of Electrical Engineer of Japan and Wiley Periodicals LLC.
引用
收藏
页码：51 / 60
页数：10
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