Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB

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  • Publication
    Testing Automated Operation and Control Algorithms for Distribution Grids Using a Co-Simulation Environment
    ( 2021)
    Schoen, Andrea
    ;
    Ringelstein, Jan
    ;
    Hammermeister, Irene
    ;
    Braun, Martin
    ;
    Wille-Haussmann, Bernhard
    ;
    Marchand, Sophie
    ;
    Ruhe, Stephan
    ;
    Nicolai, Steffen
    ;
    Braun, Martin
    This publication presents a co-simulation framework that enables the coupling of various simulation components of energy systems that are not only modeled at three geographically distributed Fraunhofer Institutes, but are also vastly different in terms of their functionality, control algorithms, time resolution, speeds and used tools. This framework facilitates their joint usage despite these differences especially with regard to their time resolutions (real-time combined with non-real-time systems) and is applied in the DistributedGridLab of the Fraunhofer Cluster of Excellence Integrated Energy Systems (CINES) [1]. The DistributedGridLab thus allows users - e.g. grid operators, manufacturers and research institutes - to test their solutions before field deployment with special consideration of their interaction with other solutions at different remote testing facilities, and without the need to use the same software and hardware setups. A demonstrator of the DistributedGridLab is introduced where an electric energy system is modeled, which contains a medium voltage grid with three connected low voltage grids. The different control approaches interact to stabilize the entire system without a centrally controlled simulation of the systems.