The 5th seminar of the Spring Friday Seminar Series 2022 “Model Predictive Control and Protection of MMC-based MTDC Power Systems” by Ajay Shetgaonkar (TU Delft, Netherlands) was given on May 20th.
Meshed offshore grids (MOGs) present a viable option for a reliable bulk power transmission topology. The station-level control of MOGs requires faster dynamics along with multiple objective functions, which is realized by the model predictive control (MPC). This paper provides control, and protection design for the Modular Multilevel Converter (MMC) based multi-terminal DC (MTDC) power system using MPC. MPC is defined using a quadratic cost function, and a dqz-rotating frame voltage inputs are represented using Laguerre orthonormal functions. MPC has been applied for the control of both grid forming and grid following converters in a four-terminal MTDC setup, implemented for real-time. Electromagnetic Transient (EMT) simulation. By applying numerous time-domain simulations, the advantages of the MPC when dealing with AC and DC side disturbances are investigated. The investigation highlights the MPC’s inherent feature of fast response and high damping during- and post-disturbance, which is compared to the traditional PI controller performance. The analysis provides a comprehensive insight into the transient behavior of the MTDC during disturbances.
About the author
Ajay Shetgaonkar (Graduate Student Member, IEEE) received a B.E. degree in electrical and electronic engineering from Goa College of Engineering, Goa, India, in 2016. In 2020, he received an M.Sc. degree in electrical power engineering from the Technical University of Delft, The Netherlands (graduated with “cum laude”).
He is currently working toward Ph.D. degree at the Technical University of Delft, The Netherlands. His research interests includes future power system dynamics and stability, integration of renewable energy resources, modelling of HVdc breaker and design of advanced protection and control systems for modular multilevel converter-based HVdc systems in the HVdc grid. He is also student member of CIGRE.
In the following file you will find an introduction and a detailed timetable of Friday Seminar Series: