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An Evaluation Method of Renewable Energy Resources’ Penetration Capacity of an AC-DC Hybrid Grid

Author

Listed:
  • Chenghao Li

    (Electric Power Research Institute, State Grid Henan Electric Power Company, Zhengzhou 450052, China)

  • Di Zhang

    (Electric Power Research Institute, State Grid Henan Electric Power Company, Zhengzhou 450052, China)

  • Zhiwei Liu

    (State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Yulong Xiong

    (State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Tianhang Yu

    (State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Ze Gao

    (Electric Power Research Institute, State Grid Henan Electric Power Company, Zhengzhou 450052, China)

  • Shihong Miao

    (State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China)

Abstract

With increasingly more renewable energy being integrated into the AC-DC hybrid grid, the grid shows more complex dynamic characteristics due to the mutual coupling of HVDC and renewable energy. To evaluate the renewable energy resources’ penetration capacity of the AC-DC hybrid grid, this paper proposes an evaluation method of the renewable energy resources’ penetration capacity of an AC-DC hybrid grid, which considers both economy and safety. Firstly, indicators are proposed for an evaluation of the economy and safety of the AC-DC hybrid grid integrated with renewable energy, where both static and transient stability indicators are considered. Secondly, to maximize the renewable energy penetration capacity and minimize the network loss, an optimization model of the renewable energy penetration capacity of the AC-DC hybrid grid is established considering the static and transient stability constraints. Then, a heuristic solution method for solving the renewable energy penetration capacity optimization model is proposed. Finally, based on the improved IEEE 39 node system, a case analysis is carried out. The simulation results verify the correctness and effectiveness of the proposed method.

Suggested Citation

  • Chenghao Li & Di Zhang & Zhiwei Liu & Yulong Xiong & Tianhang Yu & Ze Gao & Shihong Miao, 2022. "An Evaluation Method of Renewable Energy Resources’ Penetration Capacity of an AC-DC Hybrid Grid," Energies, MDPI, vol. 15(7), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:7:p:2550-:d:784203
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