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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Abstract

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
Volume6
Issue number1
Pages (from-to)140-151
ISSN1932-8184
DOIs
Publication statusPublished - 2011

Bibliographical note

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Keywords

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

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