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Solving large-scale reactive optimal power flow problems by a primal–dual \(\hbox {M}^{2}\hbox {BF}\) approach

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Abstract

In this paper, we propose a predictor–corrector primal–dual approach for the doubly modified logarithmic barrier function (\(\hbox {M}^{2}\hbox {BF}\)) method in order to solve Optimal Reactive Power Flow (ORPF) problems. The \(\hbox {M}^{2}\hbox {BF}\) is a modification of the Polyak’s modified logarithmic barrier function (MBF) and is also a particular element of a recent family of nonquadratic penalty functions for augmented Lagrangian methods for handling convex problems only with inequality constraints. We also propose a global convergence strategy to be inserted in the proposed algorithm, which is developed over weak assumptions concerning the primal Hessian matrix. The resulting predictor–corrector primal–dual \(\hbox {M}^{2}\hbox {BF}\) approach is applied for solving ORPF problems involving power systems with 57, 89, 118, 200, 300, 1354, 2007 and 2869 buses. A comparison with two state-of-the-art methods is performed. Numerical results show that the proposed approach is competitive and capable of solving ORPF problems for small to large-scale power systems.

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Acknowledgements

Dr. R. B. N. M. Pinheiro would like to acknowledge the support provided by CAPES—Brazilian Federal Agency for Support and Evaluation of Graduate Education within the Ministry of Education of Brazil grant 202/47/01/2019.

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Correspondence to Ricardo B. N. M. Pinheiro.

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Pinheiro, R.B.N.M., Nepomuceno, L. & Balbo, A.R. Solving large-scale reactive optimal power flow problems by a primal–dual \(\hbox {M}^{2}\hbox {BF}\) approach. Optim Eng 21, 485–515 (2020). https://doi.org/10.1007/s11081-019-09451-4

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  • DOI: https://doi.org/10.1007/s11081-019-09451-4

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