A primal-dual interior/exterior point method, with combined directions and quadratic test in reactive optimal power flow problems

• Published in: Revista IEEE América Latina Vol. 15; no. 8; pp. 1413 - 1421
• Main Authors: Ramos de Souza, Rafael, Roberto Balbo, Antonio, Nepomuceno, Leonardo, Cassia Baptista, Edmea, Martins Soler, Edilaine, Bento Nogueira Pinheiro, Ricardo
• Format: Journal Article
• Language: English
• Published: Los Alamitos IEEE 2017; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Buses (vehicles); Hessian matrices; IEEE transactions; Interior/exterior point method; Irrigation; Jacobian matrices; Load flow; Mathematical analysis; MATLAB; modified logarithmic barrier function; non-linear optimization; Optimization; Power flow; reactive optimal power flow; Search problems; Searching
• ISSN: 1548-0992; 1548-0992
• DOI: 10.1109/TLA.2017.7994787

In this paper, we propose a primal-dual interior/ exterior point method that uses the modified logarithmic barrier function together with a quadratic test strategy and new search direction procedures for solving the reactive optimal power flow problem. The quadratic test is proposed as an alternative strategy for the Cholesky procedure for calculating the positivity of the Hessian matrix of the problem. The new search directions investigated in the paper are determined by combining the search directions calculated in the predictor and corrector steps, and also by using information associated with the complementarity conditions. The method is implemented in Matlab and applied to solving the reactive optimal power flow problem for 9 and 39 bus systems, as well as for the IEEE 14, 30, 57 and 118 test systems.The results reinforce the efficiency of the method proposed for solving the problem.