Decentralized Power Sharing in Modular Power Converters

Date: 06/11/2025
Time: 10:00 am
Presenter: Alex J. Hanson
Abstract: (Sponsored by PELS TC 1) Modular power conversion – using multiple power converters in parallel, series, or other configurations to accomplish a single task – offers many advantages: higher achievable current/voltage/power ratings, natural redundancy, higher operating frequency, access to superior and more commoditized devices, commoditized manufacturing and shipping options, improved thermal dissipation, and the ability to create grids from distributed energy resources. These advantages are only achievable if the modules share power proportional to their rating (or some other logic). While power sharing can be achieved through centralized (one master controller) or distributed (communication among modules) ways, a truly decentralized, communication-less, master-less approach offers the best scalability and interoperability. In this webinar, we will discuss methods to achieve decentralized power sharing in modular power conversion, including the more conventional droop control and a novel nonlinear method that overcomes the sharing-versus-regulation tradeoff of droop control.
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Alex J. Hanson is an Associate Professor and a Fellow of the Jack Kilby/Texas Instruments Endowed Faculty Fellowship in Computer Engineering in the Chandra Family Department of Electrical and Computer Engineering at The University of Texas at Austin. He received his Ph.D. from the Massachusetts Institute of Technology 2019. His research interests include power magnetics and modular power conversion. Dr. Hanson has received the NSF CAREER award, the AFOSR Young Investigator award, the William Portnoy Best Paper award, and the Gordon T Lepley excellence in teaching award.