CAP Seminar Series
Title: Towards Optimal Dynamic Voltage Support from Inverter-Based Resources
Speaker: Prof Yifei Guo, Shandong University, China
Venue: EENG 503
Date and Time: Wednesday 25 February 2026, 14:00-15:00
Abstract: With the increasing penetration of Inverter-Based Resources (IBRs), the legacy practice of disconnecting units during large voltage disturbances poses a severe risk to grid resilience. While IBRs are now required to provide dynamic voltage support (DVS), defining and achieving "optimal" support remains a challenge. This talk addresses three critical questions through the lens of optimization: 1) the optimality analysis and model-free implementation for a single IBR to achieve maximum DVS; 2) the underlying interactions between multiple IBRs; and 3) the characterization of DVS capability in complex networks.
Biography: Yifei Guo (M’19) received the B.E. and Ph.D. degrees in electrical engineering from Shandong University, Jinan, China, in 2014 and 2019, respectively. He is currently a Full Professor with the Key Laboratory of Power System Intelligent Dispatch and Control, Ministry of Education, Shandong University, Jinan, China. From 2022 to 2024, he was a Lecturer with the School of Engineering, University of Aberdeen, Aberdeen, U.K. Earlier, he worked as a Postdoctoral Research Associate at Imperial College London, U.K., and Iowa State University, USA , from 2019 to 2022. His research interests include power system modelling, control, and optimization.
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