Distributed energy resources (DERs) in distribution networks have great potential for providing capacity reserves to the transmission systems. In this context, this paper focuses on optimizing the aggregated flexibility of DERs in power distribution networks, involving both network-wide voltage constraints, and individual device operating constraints. The intended task is first formulated as a convex program, and several critical properties of the underlying optimal aggregation solution are then highlighted via rigorous convex analysis. Leveraging the special problem structure, a decentralized solver is further developed to efficiently find the optimal aggregation trajectory with limited communication. Performance tests on the IEEE 37-bus benchmark are conducted to verify the theoretical findings and demonstrate the impact of various network configurations.
|Original language||English (US)|
|Title of host publication||2018 Annual American Control Conference, ACC 2018|
|Publisher||Institute of Electrical and Electronics Engineers Inc.|
|Number of pages||6|
|State||Published - Aug 9 2018|
|Event||2018 Annual American Control Conference, ACC 2018 - Milwauke, United States|
Duration: Jun 27 2018 → Jun 29 2018
|Name||Proceedings of the American Control Conference|
|Other||2018 Annual American Control Conference, ACC 2018|
|Period||6/27/18 → 6/29/18|
Bibliographical noteFunding Information:
T. Chen and G. B. Giannakis are with the Dept. of Elec. & Comput. Engr. and the Digital Technology Center, University of Minnesota. Emails: chen3827, email@example.com. N. Li is affiliated with John A. Paulson School of Engineering and Applied Sciences at Harvard University. Email: firstname.lastname@example.org. Work in this paper was supported by NSF 1442686, 1509040, 1548204, 1608509, and NSF CAREER 1553407. The work was also supported by Advanced Research Projects Agency-Energy (ARPA-E NODES). The proofs can be found in our online version .