On Electric Field Distribution and Temperature Rise Effect of High Power VLF Antenna

Authors

  • Xianqiang Li School of Automation Wuhan University of Technology, Wuhan, 430070, China
  • Kedan Mao Nuclear Power Institute of China, Chengdu, 610005, China
  • Ao Wang School of Automation Wuhan University of Technology, Wuhan, 430070, China
  • Ji Tian School of Automation Wuhan University of Technology, Wuhan, 430070, China
  • Wenchuang Zhou School of Automation Wuhan University of Technology, Wuhan, 430070, China

Keywords:

Dielectric loss eliminator, electric field, temperature field, VLF antenna

Abstract

When a high-power very low frequency (VLF) communication system is in operation, the end of the antenna is in an alternating strong electric field environment. Due to dielectric loss, abnormal temperature rise may occur at the end of the antenna. To solve the problem, analysis on the electric field distribution and temperature rising effect at the end of the antenna is first carried out in this paper. The factors that affect the electric field distribution and temperature rising, including the amplitude and frequency of the excitation voltage, the diameter of the antenna conductor and the material properties of the outer sheath of the antenna, are studied in detail. A novel approach to improve the electric field distribution and to suppress temperature rising is proposed by designing a dielectric loss eliminator, and the effectiveness of the designed device is verified by simulation.

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Author Biographies

Xianqiang Li, School of Automation Wuhan University of Technology, Wuhan, 430070, China

Xianqiang Li (M’17) was born in Xiangyang, China in 1973. He received the B.S., M.S. and Ph.D. degrees in High Voltage and Insulation Technology from Wuhan University, Wuhan, China, in 1995, 1998 and 2015, respectively. He is currently a Lecturer of the Electrical Engineering Department of Wuhan University of Technology, Wuhan, China. His research interests include lightning protection and grounding technology, transformer modeling, external insulation of electrical equipment and substation live working.

Kedan Mao, Nuclear Power Institute of China, Chengdu, 610005, China

Kedan Mao was born in Leshan, China in 1994. He received the B.E. and M.S. degrees in 2018, and 2020, respectively. He is currently an Assistant Engineer of the Nuclear Power Institute, Chengdu, China. His research interests in external insulation of electrical equipment.

Ao Wang, School of Automation Wuhan University of Technology, Wuhan, 430070, China

Ao Wang was born in Wuhan, China in 1996. He received the B.Sc. degree in Mechanical Design Manufacture and Automation from Jianghan University, Wuhan, China. He is pursuing the M.Sc. degree in the School of Automation, Wuhan University of Technology right now. His research interests are electrical theory and new technology

Ji Tian, School of Automation Wuhan University of Technology, Wuhan, 430070, China

Ji Tian was born in Hubei, China in 1997. He received the B.Sc. degree in Electrical Engineering from China Three Gorges University, Yichang, China, in 2019. At present, he is pursuing the M.Sc. degree in the School of Automation, Wuhan University of Technology. His research areas are mainly on high voltage technology and electrical insulation.

Wenchuang Zhou, School of Automation Wuhan University of Technology, Wuhan, 430070, China

Wenchuang Zhou was born in Huanggang, China in 1997. He received the B.Sc. degree in Automation from Hubei University of Technology, Wuhan, China, in 2018. At present, he is pursuing the M.Sc. degree in the School of Automation, Wuhan University of Technology. His research interests are high voltage, insulation and laser cleaning insulator contamination.

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Published

2021-11-04

How to Cite

[1]
X. . Li, K. . Mao, A. . Wang, J. . Tian, and W. . Zhou, “On Electric Field Distribution and Temperature Rise Effect of High Power VLF Antenna”, ACES Journal, vol. 36, no. 06, pp. 684–696, Nov. 2021.

Issue

2021: Vol 36 Iss 6

Section

General Submission