His research interests include power system stability analysis and control, wide area measurement system and networked control in smart grid, applications of data mining and signal processing techniques, control of energy storage system. He is an IEEE senior member, and a member of the Editorial Board of IET Generation Transmission and Distribution and Foundations and Trends in Electric Energy Systems. He is the recipient of several awards including National Energy Science and Technology Award and Chinese Electric Power Technology Award. He has also been involved in organizing several international conferences (IEEE IEEE ICNSC, IEEE TENCON, IET ACDC)