Unified System-Level Modeling of Intermittent Renewable Energy Sources and Energy Storage for Power System Operation

Kai Heussen, Stephan Koch, Andreas Ulbig, Goran Andersson

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    The system-level consideration of inter- mittent renewable energy sources and small-scale en- ergy storage in power systems remains a challenge as either type is incompatible with traditional operation concepts. Non-controllability and energy-constraints are still considered contingent cases in market-based operation. The design of operation strategies for up to 100 % renewable energy systems requires an explicit consideration of non-dispatchable generation and stor- age capacities, as well as the evaluation of operational performance in terms of energy eciency, reliability, environmental impact and cost. By abstracting from technology-dependent and physical unit properties, the modeling framework presented and extended in this pa- per allows the modeling of a technologically diverse unit portfolio with a unied approach, whilst establishing the feasibility of energy-storage consideration in power system operation. After introducing the modeling ap- proach, a case study is presented for illustration.
    Original languageEnglish
    JournalIEEE Systems Journal
    Issue number1
    Pages (from-to)140-151
    Publication statusPublished - 2011

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    • Power Nodes
    • Load Management
    • Intermittent Generation
    • Energy Storage
    • Active Power Control
    • Dispatch
    • Curtailment
    • Balancing
    • Renewable energy sources (RES)


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