Time-domain Hybrid Method for the Coupling Analysis of Curved Power Lines Illuminated by Early-time High-altitude Electromagnetic Pulse

作者

  • Zhihong Ye 1) State Key Laboratory of Power Grid Environmental Protection Wuhan 430070, China 2) School of Communication and Information Engineering Chongqing University of Posts and Telecommunications, Chongqing 400065, China
  • Zhiwei Gao School of Information Science and Technology Shijiazhuang Tiedao University, Shijiazhuang 050043, China
  • Guangzhi Hong School of Communication and Information Engineering Chongqing University of Posts and Telecommunications, Chongqing 400065, China
  • Chen Tong School of Communication and Information Engineering Chongqing University of Posts and Telecommunications, Chongqing 400065, China
  • Ziran Ji School of Communication and Information Engineering Chongqing University of Posts and Telecommunications, Chongqing 400065, China
  • Zeyu Xiao School of Communication and Information Engineering Chongqing University of Posts and Telecommunications, Chongqing 400065, China

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https://doi.org/10.13052/2024.ACES.J.391103

关键词:

Early-Time high-altitude electromagnetic pulse coupling of curved power lines, finite-difference time-domain method, improved transmission line equations, rapid calculation method for the excitation fields of curved power lines

摘要

An efficient time-domain field-to-line hybrid method is presented to realize the rapid coupling calculation of curved power lines (CPLs) illuminated by Early-Time (E1) high-altitude electromagnetic pulse (HEMP). Firstly, improved transmission line equations are derived by ideal conductor boundary conditions and transmission line theory, which are employed to construct the E1 HEMP coupling model of CPLs. Then, based on the image principle, a rapid calculation method for the excitation fields of CPLs is investigated, and improved transmission line equations are solved by the finite-difference time-domain (FDTD) method to achieve fast iterative calculation of voltage and current responses along CPLs. Finally, relevant numerical simulations are utilized to verify the accuracy and efficiency of the proposed method. On this basis, the impact of power line lengths, heights, and ground electromagnetic parameters on E1 HEMP coupling of CPLs is analyzed.

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##submission.authorBiographies##

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Zhihong Ye was born in Taixing, Jiangsu Province, China, in 1988. He received the B.S. degree from Southwest Jiaotong University in 2010. He received the Ph.D. degree from Southwest Jiaotong University in 2016. He became an assistant professor of Posts and Telecommunications at Chongqing University in 2018. His research interests include electromagnetic compatibility, electromagnetic protection, and electromagnetic propagation.

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Zhiwei Gao was born in Nanyang, Henan Province, China, in 1972. He received the M.Sc. and Ph.D. degrees from Beijing Jiaotong University, Beijing Institute Technology, in 2002 and 2014, respectively. Since 1995, he has worked with the Department of Computer Science and Technology, Shijiazhuang Tiedao University. He became a professor of Shijiazhuang Tiedao University in 2018. His research interests include computational electromagnetics, electromagnetic compatibility, and electromagnetic protection.

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Guangzhi Hong was born in Zhongshan, Guangdong Province, China, in 2004. He is studying for the bachelor’s degree of Electronic Information Engineering from Chongqing University of Posts and Telecommunications. His research interest is electromagnetic compatibility.

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Chen Tong was born in Yuzhong District, Chongqing, China, in 2002. He is studying for the bachelor’s degree of Communication Engineering from Chongqing University of Posts and Telecommunications. His research interest is electromagnetic compatibility.

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Ziran Ji was born in Taizhou, Jiangsu Province, China, in 2002. He is studying for the bachelor’s degree of Data Science and Big Data Technology from Chongqing University of Posts and Telecommunications. His research interest is machine learning.

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Zeyu Xiao was born in Beijing, China, in 2004. He is studying for the bachelor’s degree of Electronic Information Engineering from Chongqing University of Posts and Telecommunications. His research interest is electromagnetic compatibility.

参考

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已出版

2024-11-30

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[1]
Z. . Ye, Z. . Gao, G. . Hong, C. . Tong, Z. . Ji, 和 Z. . Xiao, 《Time-domain Hybrid Method for the Coupling Analysis of Curved Power Lines Illuminated by Early-time High-altitude Electromagnetic Pulse》, ACES Journal, 卷 39, 期 11, 页 952–960, 11月 2024.

期

2024: Vol 39 Iss 11

栏目

General Submission

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