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Interaction Boundary Determination of Renewable Energy Sources to Estimate System Strength Using the Power Flow Tracing Strategy

Author

Listed:
  • Namki Choi

    (Department of Electric and Electrical Engineering, Korea University, Seoul 02841, Korea)

  • Byongjun Lee

    (Department of Electric and Electrical Engineering, Korea University, Seoul 02841, Korea)

  • Dohyuk Kim

    (Department of Electrical Engineering, Yeonsung University, Gyeonggi-do 14010, Korea)

  • Suchul Nam

    (Power Transmission Laboratory, Korea Electric Power Research Institute (KEPRI), Daejeon 34056, Korea)

Abstract

System strength is an important concept in the integration of renewable energy sources (RESs). However, evaluating system strength is becoming more ambiguous due to the interaction of RESs. This paper proposes a novel scheme to define the actual interaction boundaries of RESs using the power flow tracing strategy. Based on the proposed method, the interaction boundaries of RESs were identified at the southwest side of Korea Electric Power Corporation (KEPCO) systems. The test results show that the proposed approach always provides the identical interaction boundaries of RESs in KEPCO systems, compared to the Electric Reliability Council of Texas (ERCOT) method. The consistent boundaries could be a guideline for power-system planners to assess more accurate system strength, considering the actual interactions of the RESs.

Suggested Citation

  • Namki Choi & Byongjun Lee & Dohyuk Kim & Suchul Nam, 2021. "Interaction Boundary Determination of Renewable Energy Sources to Estimate System Strength Using the Power Flow Tracing Strategy," Sustainability, MDPI, vol. 13(3), pages 1-13, February.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:3:p:1569-:d:491896
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