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A Static Voltage Security Region for Centralized Wind Power Integration—Part I: Concept and Method

Author

Listed:
  • Tao Ding

    (State Key Lab of Power Systems, Department of Electrical Engineering , Tsinghua University, Beijing 100084, China)

  • Qinglai Guo

    (State Key Lab of Power Systems, Department of Electrical Engineering , Tsinghua University, Beijing 100084, China)

  • Rui Bo

    (Midwest Independent Transmission System Operator (Midwest ISO), St. Paul, MN 55108, USA)

  • Hongbin Sun

    (State Key Lab of Power Systems, Department of Electrical Engineering , Tsinghua University, Beijing 100084, China)

  • Boming Zhang

    (State Key Lab of Power Systems, Department of Electrical Engineering , Tsinghua University, Beijing 100084, China)

Abstract

When large wind farms are centrally integrated in a power grid, cascading tripping faults induced by voltage issues are becoming a great challenge. This paper therefore proposes a concept of static voltage security region to guarantee that the voltage will remain within operation limits under both base conditions and N-1 contingencies. For large wind farms, significant computational effort is required to calculate the exact boundary of the proposed security region. To reduce this computational burden and facilitate the overall analysis, the characteristics of the security region are first analyzed, and its boundary components are shown to be strictly convex. Approximate security regions are then proposed, which are formed by a set of linear cutting planes based on special operating points known as near points and inner points . The security region encompassed by cutting planes is a good approximation to the actual security region. The proposed procedures are demonstrated on a modified nine-bus system with two wind farms. The simulation confirmed that the cutting plane technique can provide a very good approximation to the actual security region.

Suggested Citation

  • Tao Ding & Qinglai Guo & Rui Bo & Hongbin Sun & Boming Zhang, 2014. "A Static Voltage Security Region for Centralized Wind Power Integration—Part I: Concept and Method," Energies, MDPI, vol. 7(1), pages 1-24, January.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:1:p:420-443:d:32354
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    Citations

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    Cited by:

    1. Tao Ding & Qinglai Guo & Rui Bo & Hongbin Sun & Boming Zhang & Tian-en Huang, 2014. "A Static Voltage Security Region for Centralized Wind Power Integration—Part II: Applications," Energies, MDPI, vol. 7(1), pages 1-18, January.
    2. Ding, Tao & Lv, Jiajun & Bo, Rui & Bie, Zhaohong & Li, Fangxing, 2016. "Lift-and-project MVEE based convex hull for robust SCED with wind power integration using historical data-driven modeling approach," Renewable Energy, Elsevier, vol. 92(C), pages 415-427.
    3. Liang Wu & Lin Guan & Feng Li & Qi Zhao & Yingjun Zhuo & Peng Chen & Yaotang Lv, 2018. "Optimal Dynamic Reactive Power Reserve for Wind Farms Addressing Short-Term Voltage Issues Caused by Wind Turbines Tripping," Energies, MDPI, vol. 11(7), pages 1-15, July.

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