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Author Cordova, S.; Canizares, C.A.; Lorca, A.; Olivares, D.E. doi  openurl
  Title Aggregate Modeling of Thermostatically Controlled Loads for Microgrid Energy Management Systems Type
  Year 2023 Publication IEEE Transactions on Smart Grid Abbreviated Journal IEEE Trans. Smart Grid  
  Volume 14 Issue 6 Pages 4169-4181  
  Keywords Load contro; energy management system; virtual battery; short-term fluctuations; frequency dynamics; microgrid operation  
  Abstract Second-to-second renewable power fluctuations can severely hinder the frequency regulation performance of modern isolated microgrids, as these typically have a low inertia and significant renewable energy integration. In this context, the present paper studies the coordinated control of Thermostatically Controlled Loads (TCLs) for managing short-term power imbalances, and their integration in microgrid operations through the use of aggregate TCL models. In particular, two computationally efficient and accurate aggregate TCL models are developed: a virtual battery model representing the aggregate flexibility of TCLs considering solar irradiance heat gains and wall/floor heat transfers, and a frequency transient model representing the aggregate dynamics of a TCL collection considering communication delays and the presence of model uncertainty and time-variability. The proposed aggregate TCL models are then used to design a practical Energy Management System (EMS) integrating TCL flexibility, and study the impact of TCL integration on microgrid operation and frequency control. Computational experiments using detailed frequency transient and thermal dynamic models are presented, demonstrating the accuracy of the proposed aggregate TCL models, as well as the economic and reliability benefits resulting from using these aggregate models to integrate TCLs in microgrid operations.  
  Corporate Author Thesis  
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  Series Volume Series Issue Edition  
  ISSN 1949-3053 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:001160583000045 Approved  
  Call Number UAI @ alexi.delcanto @ Serial 1959  
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