A Hybrid EMC Testing Facility: Combining Transmission Line and Reverberation Chamber Measurement System

作者

  • Kai Chen 1) College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, China 2) Nanjing Rongce Testing Technology Ltd Nanjing, 211112, China
  • Wenjun Qi College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, China
  • Peng Peng EMC technical expert with Ford Motor Research & Engineering Center (Nanjing) Nanjing, 211100, China
  • Hailong Wang College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, China
  • Xueqi Shen Nanjing Rongce Testing Technology Ltd Nanjing, 211112, China
  • Yongjiu Zhao College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, China
  • Qian Xu College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, China

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https://doi.org/10.13052/2023.ACES.J.380103

关键词:

Electromagnetic compatibility, field uniformity, transmission line system, reverberation chamber

摘要

By combining a transmission line system (TLS) and a reverberation chamber (RC), a hybrid electromagnetic compatibility (EMC) testing facility is designed and constructed. Generally, the lowest usable frequency (LUF) of an RC is limited by its dimension, which limits the application of RCs for EMC testing at low frequencies. Therefore, to improve the field uniformity (FU) of an RC at frequencies lower than the LUF, a TLS is integrated into the RC. After optimizing the load resistance, length, and width of the TLS, the resonant frequency and electric field spikes of the hybrid system are eliminated. The FU of the E-field in the system is greatly improved in the frequency range of 0-30 MHz. Moreover, using an oscillating wall stirrer in the RC, the FU satisfies the standard (IEC 61000-4-21) above 80 MHz. Results show that combining the TLS and the RC testing system could be widely used for EMC testing in the frequency range of 0-30 MHz and 80 MHz-6 GHz.

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Kai Chen received his M.Eng. degree in Agricultural Mechanization from Yangtze University, Jingzhou, China, in 2014. He is currently pursuing a Ph.D. degree in Electromagnetic Field and Microwave Technology at the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics. He was an EMC Engineer with H3C, Hangzhou, China, in 2010. He is an Application Engineer with Nanjing Rongce Testing Technology Ltd., Nanjing, China. His main research interests include reverberation chamber and electromagnetic compatibility (EMC).

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Wenjun Qi received her B.Eng. degree and M.Eng. degree from Nanjing University of Aeronautics and Astronautics, Nanjing, China in 2018 and 2021, respectively, and she is currently pursuing a Ph.D. degree in Electromagnetic Field and Microwave Technology.

Her main research interests include reverberation chamber, computational electromagnetics and statistical electromagnetics, over-the-air (OTA) testing and electromagnetic compatibility (EMC).

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Peng Peng received his M.Eng. Degree from the College of Mechanical Engineering, Southeast University, Nanjing, China in 2010. Prior to 2021, he was an EMC expert at Ford Motor China Engineering Center. He is interested in new EMC solutions for automotive EMC design and validation, and now works for a leading EVcompany.

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Hailong Wang received his B.E. degree from Jinling Institute of Technology, Nanjing, China, in 2019, and his M.Eng. degree from the College of Electronic and Information Engineering from Nanjing University of Aeronautics and Astronautics, China, in 2022. He is currently working as an EMS Engineer. His research interests include liquid antennas, electromagnetic interference and EMC measurement methods.

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Xueqi Shen received his M.Eng. degree from the Department of Radio, Southeast University, Nanjing, China, in 1989. He founded the Rongxiang Company in 2004 and Nanjing Rongce Testing Technology Ltd. in 2012, which is an EMC laboratory recognized by Ford and Yutong. Currently, Nanjing Rongce has the largest vehicle reverberation chamber in China. He is currently a Committee Member of Branches A, I, and D of the National Technical Committee on Radio Interference of Standardization Administration of China.

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Yongjiu Zhao received his M.Eng. and Ph.D. degrees in Electronic Engineering from Xidian University, Xi’an, China, in 1990 and 1998, respectively. Since March 1990, he has been with the Department of Mechano-Electronic Engineering, Xidian University where he was made a professor in 2004. From December 1999 to August 2000, he was a Research Associate with the Department of Electronic Engineering at The Chinese University of Hong Kong. His research interests include antenna design, microwave filter design and electromagnetic theory.

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Qian Xu (Member, IEEE) received his B.Eng. and M.Eng. degrees from the Department of Electronics and Information, Northwestern Polytechnical University, Xi’an, China, in 2007 and 2010, and received his Ph.D. degree in Electrical Engineering from the University of Liverpool, U.K, in 2016. He is currently an Associate Professor at the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, China.

He was an RF engineer in Nanjing, China in 2011 and an Application Engineer at CST Company, Shanghai, China in 2012. His work at the University of Liverpool was sponsored by Rainford EMC Systems Ltd. (now part of Microwave Vision Group) and the Centre for Global Eco-Innovation. He has designed many chambers for industry and is the author of the book, Anechoic and Reverberation Chambers: Theory, Design, and Measurements (Wiley-IEEE, 2019). His research interests include statistical electromagnetics, reverberation chamber, EMC and over-the-air testing.

参考

IEC 61000-4-21, Electromagnetic Compatibility (EMC) – Part 4-21: Testing and Measurement Techniques – Reverberation Chamber Test Methods, IEC Standard, Ed 2.0, 2011-01.

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已出版

2023-01-31

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[1]
K. . Chen, 《A Hybrid EMC Testing Facility: Combining Transmission Line and Reverberation Chamber Measurement System》, ACES Journal, 卷 38, 期 01, 页 15–21, 1月 2023.

期

2023: Vol 38 Iss 1

栏目

Antennas, Metasurfaces, and Testing Methodologies for 5G/6G Communication

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