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A linear AC power flow model for unbalanced multi-phase distribution networks based on current injection equations

Heidari-Akhijahani, A ; Sharif University of Technology | 2021

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  1. Type of Document: Article
  2. DOI: 10.1109/TPWRS.2021.3073839
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2021
  4. Abstract:
  5. A realistic and practicable modeling of unbalanced distribution networks (DNs) is the missing link in most studies undertaken in these networks, e.g., optimal power flow (OPF), energy markets, etc. To address the issue, this letter proposes an unbalanced linear three-phase four-wire power flow (PF) model based on current injection equations at nodes. Also, the ZIP representation is considered for loads. The model can be easily generalized for unbalanced three-wire networks with minor changes and assumptions. Hence, the scope of the proposed method can be extended to cover both low-voltage and medium-voltage DNs. The performance of the proposed model is verified through simulations on two IEEE test feeders. © 1969-2012 IEEE
  6. Keywords:
  7. Internet protocols ; AC power flow ; Energy markets ; Low voltages ; Medium voltage ; Model-based OPC ; Optimal power flows ; Three phase four wire ; Unbalanced distribution networks ; Electric load flow
  8. Source: IEEE Transactions on Power Systems ; Volume 36, Issue 4 , 2021 , Pages 3806-3809 ; 08858950 (ISSN)
  9. URL: https://ieeexplore.ieee.org/document/9406380