Numerical Approximation of the Maximum Power Consumption in DC-MGs with CPLs via an SDP Model
Universidad Tecnológica de Bolívar
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This brief addresses the numerical approximation of the maximum power consumption in direct-current microgrids (DC-MGs) with constant power loads through a convex optimizing model. The convex formulation is developed via a semidefinite programming model and is solved by using a MATLAB/CVX package. For comparison purposes the exact nonlinear model is solved in a GAMS package to compare the accuracy and quality of the results obtained with the proposed convex reformulation. Numerical testing is made with a small three-node DC-MG test system as well as DC-MGs from 10 to 150 nodes. © 2004-2012 IEEE.
Manuscript received May 30, 2018; revised August 14, 2018; accepted August 17, 2018. Date of publication August 21, 2018; date of current version March 26, 2019. This work was supported in part by the National Scholarship Program of Doctorates of the Administrative Department of Science, Technology and Innovation of Colombia (COLCIENCIAS) under Grant 727-2015, and in part by the Ph.D. Program in Engineering of the Technological University of Pereira. This brief was recommended by Associate Editor S. C. Wong.
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