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Data-driven Optimal DER Dispatch Using Estimated Sensitivity Models

Christine Chen

Abstract

The proliferation of distributed energy resources (DERs) across power distribution networks requires new monitoring and control schemes to ensure power availability and quality.  Concurrently, recent advances in sensor technologies, such as micro phasor measurement units (micro-PMUs), offer measurements of key circuit attributes.  In this talk, we discuss a data-driven method that optimally dispatches DERs in distribution systems without any prior information about the underlying physical network.  Central to the method is the synthesis of a linear pseudo-power-flow model estimated using only measurements obtained from micro-PMUs.  We then incorporate the estimated linear model into a modified optimal power flow problem that is readily solved via alternating direction method of multipliers (ADMM).  We will demonstrate the following benefits of the proposed method: (i) it achieves similar global performance as corresponding model-based non-convex optimization formulations, (ii) it adapts to network reconfigurations as it does not rely on an up-to-date offline model, and (iii) it significantly reduces computational burden by estimating and optimizing over reduced-order equivalent circuits and by leveraging distributed implementations.

Bio

Christine Chen is an Assistant Professor with the Department of Electrical and Computer Engineering, The University of British Columbia, where she is affiliated with the Electric Power and Energy Systems Group. Her research interests include power system analysis, monitoring, and control.  She received the B.A.Sc. degree in engineering science from the University of Toronto in 2009, and the M.S. and Ph.D. degrees in electrical engineering from the University of Illinois at Urbana-Champaign in 2011 and 2014, respectively. Christine is a recipient of the 2017–2018 Best Paper Award from the IEEE Transactions on Energy Conversion.  She serves as an Editor for the IEEE Transactions on Power Systems and the IEEE Transactions on Energy Conversion. 

Christine Chen Headshot
Christine Chen
University of British Columbia
Virtual Zoom Lecture
2 Feb 2021, 10:30am until 11:30am