Title: Advances to the Restoration of Wind-Dominant Power Systems
Abstract. The restoration of wind-dominant power systems is an emerging problem in power engineering. To study these processes, power engineers have been challenged to employ electromagnetic transient (EMT) simulations. This talk addresses these hurdles by developing EMT control models to: (i) reliably power grid-forming inverters using both Type 4 wind turbines and batteries, (ii) stably interconnect wind power plants into a grid under recovery, and (iii) autonomously make adaptive restoration decisions if transmission faults occur during restoration. In this presentation, power converters are steered by a reliable grid-forming control strategy that employs two-axis anti-windup proportional-integral regulators that bound control commands and integrators within an origin-centered circle. These advances are significant to reliably restore wind-dominant grids and timely remove transmission faults that can jeopardize their recovery. They are also important to address the recommendations of the North American Electric Reliability Corporation in the sense of employing EMT simulations to study restoration of converter-based systems. This presentation is based upon work funded by the U.S. Department of Energy, Office of Basic Energy Sciences, award No. DE-SC0021410.
Bio. Hugo earned his Ph.D. in Electrical and Computer Engineering from Purdue University in 2016. He joined the Department of Electrical and Computer Engineering at Iowa State University (ISU) in 2019 where he is a Harpole-Pentair Assistant Professor. Previously, he was a Postdoctoral Researcher at the National Renewable Energy Laboratory in Golden, CO from 2017 to 2019. He was also a supervisor of electrical maintenance in thermal power plants of CELEC EP Termopichincha in Ecuador from 2007 to 2009. Hugo was the recipient of a Fulbright scholarship from 2009 to 2011, the Best paper award of the IEEE Transactions on Energy Conversion for 2013–2014, the IEEE Power & Energy Society Prize paper award for 2015, and the NSF CAREER award in 2024. Hugo’s research and teaching interests lie at the intersection of power and control systems as well as renewable energy conversion.
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