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G-PST/ESIG Webinar Series: Impedance Scan Tools for Stability Analysis of IBR Grids
June 30, 2022 @ 4:00 pm - 5:00 pm EDT
Featured Speaker: Shahil Shah, Senior Engineer, NREL
About the Webinar: Dynamic stability is a major concern in operating power systems with high levels of inverter-based resources (IBRs). Dynamic stability problems in IBR grids manifest as oscillations or control interactions that are observed either locally between a few IBRs or span a wider network involving tens to hundreds of IBRs. It is quite challenging to evaluate the stability of IBR grids because of fast, complex, and non-standardized controls of IBRs as well as unavailability of their open-box models from vendors. This webinar will review impedance-based methods for stability analysis of IBR grids. It will also present a PSCAD-based impedance scan software tool and an impedance measurement system developed at NREL for analyzing the stability of IBR grids. Case studies to demonstrate the capabilities of these tools to answer questions such as “which IBRs are causing oscillations?” or “how much grid-forming capacity is needed in a system?” will be presented.
About the Speaker: Shahil Shah is a senior engineer for grid integration at the National Renewable Energy Laboratory (NREL) in Golden, CO. He received his Ph.D. degree from Rensselaer Polytechnic Institute (RPI) in Troy, NY. He has been working for the past 15 years on modeling, control, and stability of wind and PV plants, HVDC transmission systems, and power systems with high levels of inverter-based resources with specific emphasis on impedance-based methods for analyzing the stability of IBR grids. He is leading several DOE projects at NREL on these topics, and he has led the development of first of its kind impedance measurement system for utility-scale wind turbines and inverters. He is currently serving as an editor of the IEEE Transactions on Energy Conversion, and he recently received the ESIG Excellence award for leadership in the design and analysis of grid-forming inverter systems. He has been actively contributing to IEEE, IEA, ESIG, and CIGRE working groups focusing on stability of power systems with high levels of inverter-based resources.
Moderator: Julia Matevosyan, Chief Engineer, ESIG
Registration Cost: FREE
Q&A Session: We will be using the slido platform for Q&A. Please submit your questions and follow-along during the event at this link.