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    New Smart Grids Data Have Been Reported by Researchers at University of Texas Austin (Enhancing the Spatio-temporal Observability of Grid-edge Resources In Distribution Grids)


    November 22, 2021 - Energy Daily News

     

      2021 NOV 19 (NewsRx) -- By a News Reporter-Staff News Editor at Energy Daily News -- Fresh data on Energy - Smart Grids are presented in a new report. According to news reporting out of Austin, Texas, by NewsRx editors, research stated, “Enhancing the spatio-temporal observability of distributed energy resources (DERs) is crucial for achieving secure and efficient operations in distribution grids. This paper puts forth a joint recovery framework for residential loads by leveraging the complimentary strengths of heterogeneous measurements in real time.”

      Financial support for this research came from National Science Foundation (NSF).

      Our news journalists obtained a quote from the research from the University of Texas Austin, “The proposed framework integrates low-resolution smart meter data collected at every load node with fast-sampled feeder-level measurements from limited number of distribution phasor measurement units. To address the lack of data, we exploit two key characteristics for the loads and DERs, namely the sparse changes due to infrequent activities of appliances and electric vehicles (EVs) and the locational dependence of solar photovoltaic (PV) generation. Accordingly, meaningful regularization terms are introduced to cast a convex load recovery problem, which will be further simplified to reduce the computational complexity. The load recovery solutions can be utilized to identify the EV charging events at each load node and to infer the total behind-the-meter PV output.”

      According to the news editors, the research concluded: “Numerical tests using real-world data have demonstrated the effectiveness of the proposed approaches in enhancing the visibility of grid-edge DERs.”

      This research has been peer-reviewed.

      For more information on this research see: Enhancing the Spatio-temporal Observability of Grid-edge Resources In Distribution Grids. IEEE Transactions on Smart Grid, 2021;12(6):5434-5443. IEEE Transactions on Smart Grid can be contacted at: Ieee-inst Electrical Electronics Engineers Inc, 445 Hoes Lane, Piscataway, NJ 08855-4141, USA. (Institute of Electrical and Electronics Engineers - http://www.ieee.org/; IEEE Transactions on Smart Grid - http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=5165411)

      Our news journalists report that additional information may be obtained by contacting Hao Zhu, University of Texas Austin, Dept. of Electrical and Computer Engineering, Austin, TX 78712, United States.

      The direct object identifier (DOI) for that additional information is: https://doi.org/10.1109/TSG.2021.3107239. This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.

      (Our reports deliver fact-based news of research and discoveries from around the world.)

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