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Research on assessment method of maximum distributed generation hosting capacity in distribution system with high shares of renewables and power electronics

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  • Dai Wan
  • Kailun Fan
  • Jingyu He
  • Haochong Zhang
  • Gexing Yang
  • Xujin Duan

Abstract

With the rapid development of distributed generation (DG) within the framework of modern power systems, accurately assessing the maximum DG hosting capacity in distribution networks is crucial for ensuring the safe and stable operation of the power grid. This paper first introduces an assessment model of maximum DG hosting capacity in distribution network based on optimal power flow (OPF). Then, a two-step method that combines the linearization method and the recursive method is proposed, which consists of two parts: firstly, using linearization method to quickly calculate the preliminary assessment value of maximum DG hosting capacity, and then using a recursive method to accurately correct the preliminary assessment value. Additionally, the proposed improved comprehensive sensitivity index and safety constraint verification method can enhance the computational efficiency and accuracy of the recursive algorithm. Finally, the proposed methods were simulated and validated on the IEEE 33-bus system.

Suggested Citation

  • Dai Wan & Kailun Fan & Jingyu He & Haochong Zhang & Gexing Yang & Xujin Duan, 2024. "Research on assessment method of maximum distributed generation hosting capacity in distribution system with high shares of renewables and power electronics," PLOS ONE, Public Library of Science, vol. 19(11), pages 1-26, November.
    • Handle: RePEc:plo:pone00:0313164
    DOI: 10.1371/journal.pone.0313164
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