Due to the high penetration of power-electronic-interfaced distributed energy resources (DERs), a microgrid's inertia is significantly reduced, making it sensitive to cyber- and physical operational changes. When multiple microgrids are interconnected to form networked microgrids for improving system's resilience, the changes of one microgrid can quickly escalate to the overall system. In cyber-physical networked microgrids, the communication latency varies a lot. To efficiently quantify the impact of the communication latency on the dynamics of networked microgrids, a scalable distributed reachability analysis approach is presented in this paper. Reachable sets are calculated for each microgrid and then composited for the overall system dynamics evaluation. Extensive tests in the full paper will demonstrate the influence of communication latency on system dynamics and validate reachable sets can bound a system's all dynamic trajectories subject to latency changes. The test results also offer an insight into designing and managing the communication network for enhancing the system's resilience.


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    Title :

    Scalable Distributed Reachability Analysis for Cyber-Physical Networked Microgrids with Communication Latency


    Contributors:
    Li, Yan (author) / Zhang, Yichen (author) / Zhao, Dongbo (author) / Du, Liang (author)


    Publication date :

    2021-06-21


    Size :

    4144504 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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