Cable Coupling Characteristics of Wireless Network Convergence Nodes by Transient Electromagnetic Fields in Intelligent Substations

被引：0
|
作者：
Yang, Zhichao [1 ]
Li, Qian [2 ]
Guo, Xin [1 ]
Zhao, Mingmin [1 ]
Zhao, Peng [1 ]
Lin, Shanshan [1 ]
Zhang, Weidong [2 ]
机构：
[1] China Elect Power Res Inst Co Ltd, Beijing 100192, Peoples R China
[2] North China Elect Power Univ, State Key Lab New Energy Power Syst, Beijing 102206, Peoples R China
来源：
SYMMETRY-BASEL | 2023年 / 15卷 / 05期
关键词：
intelligent substation; transient space electromagnetic field; sink node; common mode induced current; electromagnetic compatibility; TRANSMISSION; POWER; PAIRS; IOT;
D O I：
10.3390/sym15050959
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Switching operations in intelligent substations generate a wide range of extremely strong and asymmetric transient spatial electromagnetic fields, and this complex transient electromagnetic field can have a coupling effect with the wireless network sink node equipment cables. We conducted a study on the networking method of wireless network equipment in smart substations and analyzed the types of sink node cables used. In the GIS room of the 110 kV GIS smart substation, the transient spatial electromagnetic field generated by switching operation and the transient induced current of the sink node cable under different operating conditions were tested and obtained, and the time domain and frequency domain comparative analysis was performed. A near-field coupling model of the asymmetric and non-uniform cable transient spatial electric field at the sink node is established, and the validity of the model is verified by comparing and analyzing the measurement and simulation results. The results of the study can provide a reference for transient electromagnetic disturbances in 110 kV GIS intelligent substations and contribute to improving the reliability of wireless network equipment operation.
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页数：19
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