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Special Session

Special Session Introduction

The revolutionary development of the 5G communication system, artificial intelligence and cloud computing craves a more reliable, efficient and stable power supply from their hosting microgrids. With the increasing penetration of distributed generation and renewables into the power systems, the power quality, grid stability and load flow economic of the microgrids are facing challenges. The resultant voltage variation, frequency drifts, oscillation, insufficient resilience against contingency, etc. compromise the efficiency and reliability of the grid systems. This special session will focus on the control method, circuit topology, grid management technics to address the current and emerging technical problems of microgrids for communication systems.

For the 5G communication systems, the increase of the communication frequency will lead to a faster and informative data highway as well as higher power consumption and more communication stations. In view of the stringent requirements on power quality and reliability of the communication stations, corresponding grid supportive technologies must be available to sustain the stable and economic operation of the power grids. For a grid system integrated with considerable communication devices, possible issues, such as instability induced by the negative impedance of point of load (PoL), high distribution loss rendered by long-distance power transfer, second-order harmonics caused by the single-phase inversion/rectification, etc. can happen. These issues will hinder the stability and economy of the communication devices integrated microgrids.

Topics of this special session include, but not limited to the following:

  • AC-DC and DC-AC power conversion system
  • Optimization, control and operation of renewables-integrated power system
  • Battery energy management system with state estimation, charging/discharging control
  • Integration of renewable energy into power systems
  • Highly efficient solid-state transformers
  • Cyber-security of power electronics integrated microgrids
  • Wireless power transfer application for communication devices
  • Application of artificial intelligence in grid state estimation, observation and prediction

Special Session Organizers

Minghao Wang, Research Assistant Professor, The Hong Kong Polytechnic University, Email:

Dr Minghao Wang received the B.Eng.(Hons.) degree in electrical and electronic engineering from the Huazhong University of Science and Technology, Wuhan, China, and the University of Birmingham, Birmingham, the U.K. in 2012, and the M.Sc. and the Ph.D. degree, both in electrical and electronic engineering, from The University of Hong Kong, Hong Kong, in 2013 and 2017, respectively. Since 2018, he has been with the Department of Electrical Engineering, Hong Kong Polytechnic University, Hong Kong. Currently, he is a Research Assistant Professor in the Department of Electrical Engineering, the Hong Kong Polytechnic University. His research interests include Microgrids, DC-AC converters, Power Electronics and Power Systems.

Liansong Xiong, Assistant Professor, Nanjing Institute of Technology, Email:

Dr Liansong Xiong (S'12-M'16-SM'21) received the B.S., M.S., and Ph.D. degrees in electrical engineering from Xi'an Jiaotong University (XJTU), Xi'an, China, in June 2009, March 2012, and June 2016, respectively. Since 2014, he has been with the School of E-learning, XJTU, as a part-time Faculty Member. In 2016, he joined the School of Automation, Nanjing Institute of Technology (NJIT), Nanjing, China, introduced in the High-Level Academic Talent Plan of NJIT. From November 2017 to November 2019, he joined the Department of Electrical Engineering, The Hong Kong Polytechnic University (PolyU), Hong Kong, as a Research Associate. His current research interests include power quality, PV/wind energy generation, DC grid, multilevel converter, and stability analysis of converter-dominated power systems. He is the first author of 13 papers indexed by SCI and more than 20 papers indexed by EI. He received the 'Excellent Conference Paper Award' 7 times and the National Scholarship for Graduate Students in three consecutive years. He was honoured with the Most Influential Papers of "High Power Converter Technology" in 2014, the Outstanding Graduates of XJTU in 2015, the Excellent Writer of "Proceedings of CSEE" in 2015, the Excellent Reviewer of "High Voltage" and "Smart Power" in 2017~2020, the Annual Excellent Paper Award of "Journal of XJTU" in 2019, the Best Paper Award of Shaanxi Province in 2020, and the Excellent Doctoral Dissertation of XJTU and Shanxi Province in 2018. Dr Xiong is a Senior Member of IEEE and the China Electrotechnical Society.

Menglin Chen, Postdoctoral Research Fellow, The University of Hong Kong, Email:

Dr Menglin Chen received the B.S. degree from the Huazhong University of Science and Technology, Wuhan, China, the B.Eng. degree from the University of Birmingham, U.K., in 2012, the Ph.D. degree from the University of Hong Kong, Hong Kong in 2018. She has been with the Center of Electromagnetics and Optics, the University of Hong Kong, since 2013. She had been an academic visitor at the School of Electronic Engineering and Computer Science in Queen Mary, the University of London from May 2017 to October 2017. She is currently a Post-Doctoral Fellow with the University of Hong Kong. Her Ph.D. study was focusing on the manipulation of spin and orbital angular momenta of electromagnetic waves by metamaterials, metasurfaces, and photonic crystals. She has been working on topological photonic crystals and circuits currently.
Dr Chen has received many international awards, including the Best Student Paper Award at the 2018 piers in Toyama, Japan; the best student paper award at 2017 ACES Symposium, Firenze, Italy; the Third Place of the Best Student Paper Award at the 2016 17th IEEE MACAU/HK AP/MTT Postgraduate Conference. She got the Certificate of Merit in the Hong Kong U-21 IoT Awards in 2014. Up to this moment, she has published 10 first-authored top-tier journals and her google scholar citation is 327.

Yufei He, Postdoctoral Research Fellow, The Hong Kong Polytechnic University, Email:

Dr. Yufei He received the B.Eng. degree in electronic and information engineering from Zhejiang University, Hangzhou, China, in 2016, and the Ph.D. degree in electrical engineering from The Hong Kong Polytechnic University, Hong Kong, China, in 2020. He is currently a Postdoctoral Research Fellow with the Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong. His research interests include power electronic control, photovoltaic system, low-voltage-ride-through control, and smart grid.

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Important Dates

Submission Deadline
extended to May 01, 2021
Notification Deadline
extended to June 01, 2021

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