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1. Restoring AC Power Flow Feasibility from Relaxed and Approximated Optimal Power Flow Models

   https://doi.org/10.23919/ACC55779.2023.10156521  

   Taheri, Babak ; Molzahn, Daniel K. ( May 2023 , Proceedings of the American Control Conference)
2. Comparisons Between Distributed Power Flow Controller (DPFC) and Unified Power Flow Controller (UPFC)

   Olatunde A. Adeoye, Samir I. ( January 2022 , London journal of engineering research)
3. A Power Flow Method for Power Distribution Systems Based on a Sinusoidal Transformation to a Convex Quadratic Form

   https://doi.org/10.1109/PESGM46819.2021.9637963  

   Valinejad, Jaber ; Mili, Lamine ; Xu, Yijun ( July 2021 , 2021 IEEE Power & Energy Society General Meeting (PESGM))

   The non-linearity and non-convexity of the AC power flow equations may induce convergence problems to the Newton-Raphson (NR) algorithm. Indeed, as shown by Thorp and Naqavi, the NR algorithm may exhibit a fractal behavior. Furthermore, under heavy loading conditions or if some of the line reactances are relatively large compared to the others, the Jacobian matrix becomes ill-conditioned, which may cause the divergence of this algorithm. To address the aforementioned problems for radial power distribution systems, we propose in this paper to apply a sinusoidal transform to map the AC power flow equations into a convex quadratic form, which includes nodebased and Pythagorean equations. The good performance of the proposed approach is demonstrated via simulations carried out on several power distribution systems. 

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4. A Computational Attractive Interval Power Flow Approach With Correlated Uncertain Power Injections

   https://doi.org/10.1109/TPWRS.2019.2947779  

   Liu, Bi ; Huang, Qi ; Zhao, Junbo ; Hu, Weihao ( January 2020 , IEEE Transactions on Power Systems)
5. An Angle Included Optimal Power Flow (OPF) Model for Power Distribution Network Using Second Order Cone Programming (SOCP)

   https://doi.org/10.1109/IAS44978.2020.9334785  

   Chowdhury, Md Mahmud-Ul-Tarik ; Kamalasadan, Sukumar ( October 2020 , 2020 IEEE Industry Applications Society Annual Meeting)