Prof. Adel Nasiri
Distinguished Professor
Electrical Engineering
University of South Carolina
Columbia, South Carolina, USA
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Dr. Adel Nasiri Fellow IEEE, received B.S. and M.S. degrees from Sharif University of Technology, Tehran, Iran, in 1996 and 1998, respectively, and the PhD degree from Illinois Institute of Technology, Chicago, Illinois, in 2004, all in electrical engineering.
He is presently a Distinguished Professor in the Electrical Engineering Department at the University of South Carolina. His research interests are smart and connected energy systems, energy storage, and microgrids. Previously, he worked at the University of Wisconsin-Milwaukee (UWM) from 2005 to 2021 and served in various roles including professor of electrical engineering, founding and Interim Executive Director, Connected Systems Institute (CSI) and Director, Center for Sustainable Electrical Energy, and the site director for the NSF center on Grid-connected Advanced Power Electronic Systems (GRAPES). He has published numerous technical journal and conference papers and co-authored two books on related topics. He also holds seven patent disclosures.
Dr. Nasiri is the past chair of IEEE Industry Applications Society (IAS) Committee on renewable and sustainable energy conversion. He is also an Editor of Power Components and Systems, and Associate Editor of the International Journal of Power Electronics and was an Editor of IEEE Transactions on Smart Grid (2013-2019) and paper review chair for IAS (2018-2019). He was the general Chair of 2012 IEEE Symposium on Sensorless Electric Drives, 2014 International Conference on Renewable Energy Research and Applications (ICRERA 2014), and 2014 IEEE Power Electronics and Machines for Wind and Water Applications (PEMWA 2014).
Keynote Speech: High Power, Voltage, and Frequency Dual Active Bride Design and Applications
Abstract: Dual Active Bridges (DAB) and isolated DABs are finding new applications for power conversion in renewables, energy storage, electric vehicle charging, DC energy systems, and grid-tie systems. An isolated DAB is a Solid State Transformers (SST) that can add flexibility, controllability, and reliability to existing electrical distribution systems. Major elements of a DAB are two power converters and a high frequency transformer. Power electronic switching devices with higher voltage and power ratings have become available in recent years. This availability has enabled development of high power isolated converters that are building blocks for future smart and efficient electrical distribution systems. In this talk, the design and development of high frequency transformers for high power and medium voltage are discussed. Several control methods for DABs including phase-shift, duty ratio, and triple phase shifts are discussed to control the power flow. Methods are discussed to minimize the RMS current, reduce reactive power transfer, and minimize converter loss. Applications of DABs for electric vehicle charging and solar PV systems are demonstrated.
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