Professor Lie Xu

Electronic and Electrical Engineering

Personal statement

I joined the University in 2013 and is currently a Professor in the Department of Electronic and Electrical Engineering. I received my PHD in Electrical engineering from University of Sheffield in 2000 and started my career with ALSTOM, developing VSC based HVDC systems. My main research interests and experiences are in the areas of power electronics, converter control for grid connection of renewables, control and operation of HVDC systems and DC microgrid. I have published over 100 journal and conference papers and received the 2013 IET Renewable Power Generation Premium Award for my published paper “DC voltage control and power dispatch of a multi-terminal HVDC system for integrating large offshore wind farms”.


Has expertise in:

    • Power electronic system modelling and control design
    • HVDC system modelling and control
    • Renewable energy integration


PhD in Electrical Eneginnering from University of Sheffield, 2000


Techno-economic assessment of energy storage technologies for inertia response and frequency support from wind farms
Beltran Hector, Harrison Sam, Egea-Àlvarez Agustí, Xu Lie
Energies Vol 13 (2020)
Hybrid AC/DC hub for integrating onshore wind power and interconnecting onshore and offshore DC networks
Huang Kai, Xiang Wang, Xu Lie, Wang Yi
IET Renewable Power Generation (2020)
Enhanced control of offshore wind farms connected to MTDC network using partially selective DC fault protection
Shi Lei, Adam Grain Philip, Li Rui, Xu Lie
IEEE Journal of Emerging and Selected Topics in Power Electronics (2020)
A novel method to determine droop coefficients of DC voltage control for VSC-MTDC system
Li Bin, Li Qingquan, Wang Yizhen, Wen Weijie, Li Botong, Xu Lie
IEEE Transactions on Power Delivery (2019)
Analysis and control of offshore wind farms connected with diode rectifier based HVDC system
Yu Lujie, Li Rui, Xu Lie, Adam Grain P
IEEE Transactions on Power Delivery (2019)
A hybrid modular multilevel converter with reduced full-bridge submodules
Li Rui, Xu Lie, YU Lujie, Yao Liangzhong
IEEE Transactions on Power Delivery (2019)

more publications


Power electronics, converter modelling, HVDC transmission

Research interests

  • Power electronics for renewable power generation and integration
  • HVDC system for renewable energy integration and network connection
  • DC Microgrid


Realising the value of offshore grid access for small pools
Ahmed, Khaled (Principal Investigator) Burt, Graeme (Co-investigator) Xu, Lie (Co-investigator)
03-Jan-2019 - 31-Jan-2020
UK HVDC Centre Phase II Converter Interaction
Xu, Lie (Principal Investigator) Ased, Grain Philip (Co-investigator) Egea Alvarez, Agusti (Co-investigator)
01-Jan-2019 - 31-Jan-2020
Bell, Keith (Principal Investigator) Anaya-Lara, Olimpo (Co-investigator) Burt, Graeme (Co-investigator) Stewart, Brian (Co-investigator) Xu, Lie (Co-investigator)
04-Jan-2018 - 03-Jan-2023
PROMOTioN - Progress on Meshed HVDC Offshore Transmission Networks H2020 SC3 Secure, Clean and Efficient Energy
Xu, Lie (Principal Investigator) Bell, Keith (Co-investigator) Finney, Stephen (Co-investigator) Holliday, Derrick (Co-investigator) MacIver, Callum (Researcher)
01-Jan-2016 - 31-Jan-2019
SmartNet H2020 SC3
Kockar, Ivana (Principal Investigator) McArthur, Stephen (Co-investigator) Xu, Lie (Co-investigator) Plecas, Milana (Researcher)
01-Jan-2016 - 30-Jan-2019
EPSRC Centre for Doctoral Training in Future Power Networks and Smart Grids | Leavy, Aaron
Xu, Lie (Principal Investigator) Bell, Keith (Co-investigator) Leavy, Aaron (Research Co-investigator)
01-Jan-2015 - 01-Jan-2019

more projects


Electronic and Electrical Engineering
Royal College Building

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