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IEEE PEDG 2023

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Tutorial Title: Modelling, Stability Analysis, and Control of Grid-Connected Wireless Power Transfer System

In order to cope with the challenges caused by the high penetration of renewables, the concepts of grid-to-vehicle (G2V) and vehicle-to-grid (V2G) were proposed. Wireless power transfer is one of the key technologies that facilitate the implementation of these concepts, cut off the last cord, and improve the intelligence of movable objects. Recently, an increasing number of electric vehicles are adopting wireless power transfer for connecting with the power grid. As a result, the wireless power transfer system shall interact with the power grid. The interaction raises new challenges to the stability of the power grid, wireless power transfer system, as well as the electrical system of the vehicle. As a consequence, advanced modelling techniques, analysis tools, and control methods will be required to tackle these challenges.

This presentation will start with an overview of the key dimensions of wireless power transfer systems (topologies, modulation strategies, and control methods) along with the advantages and trade-offs of various solutions. Furthermore, we will introduce advanced modelling methods that can characterize the dynamics of the wireless power transfer in various time/frequency scales. Next, based on the advanced model, some instability factors of existing wireless power transfer systems are discussed and analyzed. Moreover, control solutions for system stabilization are presented with theoretical analysis and experimental verification. Finally, conclusions are drawn and prospects are provided for future research and development of wireless power conversion technologies.

Presenters’ Information

    Kerui Li, Nanyang Technological University, Singapore

    Kerui Li received the B.Eng. degree from the South China University of Technology, Guangzhou, China, in 2013, the M.Eng. degree from the Sun Yat-sen University, Guangzhou, China, in 2016, and the Ph.D. degree from The University of Hong Kong, Hong Kong, in 2021. Currently, he is a research fellow at Nanyang Technological University, Singapore. His research interests include wireless power transfer and power electronics. He received IEEE Power Electronics Society Ph.D. Thesis Talk Award in 2022.


    Minfan Fu, ShanghaiTech University, China

    Dr. Minfan Fu received the B.S., M.S., and Ph.D. degrees in electrical and computer engineering from University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai, China in 2010, 2013, and 2016. He is currently a Principle Investigator at School of Information Science and Technology (SIST), ShanghaiTech University, Shanghai, China. Between 2016 and 2018, he held a postdoctoral position with the Center for Power Electronics Systems, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA. His research interests include wireless power transfer, applications of wide-band-gap devices, and modeling and control of resonant convertors. He is a senior member of IEEE. He holds seven patents and has published over 100 papers in prestigious IEEE journals and conferences. He is included on an Elsevier list of the top 2% of scientists in their fields for either single-year impact in 2021.





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