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Repositorio institucional de la Universidad Tecnológica de Bolívar, aquí encontrarás todo lo relacionado con divulgación científica de la UTB.

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Optimal Power Flow on DC Microgrids: A Quadratic Convex Approximation 

Montoya O.D.; Gil-Gonzalez W.; Garces A. (Institute of Electrical and Electronics Engineers Inc., 2019)
This express brief shows a convex quadratic approximation for the optimal power flow (OPF) in direct-current microgrids (dc-μ Grid) via Taylor's series expansion. This approach can be used for solving OPF problems on radial ...
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Power flow approximation for DC networks with constant power loads via logarithmic transform of voltage magnitudes 

Montoya O.D.; Gil-González W.; Garces A. (Elsevier Ltd, 2019)
This paper proposes a logarithmic transformation of voltages (LTVM) for the power flow in DC grids. This problem is non-linear due to the presence of constant power loads (CPLs), which also introduce a negative resistance ...
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Stability Analysis of Single-Phase Low-Voltage AC Microgrids with Constant Power Terminals 

Montoya O.D.; Garces A.; Avila-Becerril S.; Espinosa-Perez G.; Serra F.M. (Institute of Electrical and Electronics Engineers Inc., 2019)
This express brief presents the stability analysis of single-phase microgrids (SP-MG) operating under master-slave connection with constant power terminals. The SP-MG is composed of linear elements, nonlinear loads, and ...
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Sequential quadratic programming models for solving the OPF problem in DC grids 

Montoya O.D.; Gil-González W.; Garces A. (Elsevier Ltd, 2019)
In this paper, we address the optimal power flow problem in dc grids (OPF-DC). Our approach is based on sequential quadratic programming which solves the problem associated with non-convexity of the model. We propose two ...
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Wirtinger's Calculus for the Load Flow in Power Distribution Grids 

Garces A.; Gil-Gonzalez W.; Montoya O.D. (Institute of Electrical and Electronics Engineers Inc., 2018)
This paper shows a Wirtinger's-Calculus based loadflow methodology for power distribution grids. This approach allows to obtain an algorithm which works directly on the complex domain maintaining some useful symmetries and ...
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Linear power flow formulation for low-voltage DC power grids 

Montoya O.D.; Grisales-Noreña L.F.; González-Montoya D.; Ramos-Paja C.A.; Garces A. (Elsevier Ltd, 2018)
This paper presents a reformulation of the power flow problem in low-voltage dc (LVDC) power grids via Taylor's series expansion. The solution of the original nonlinear quadratic model is achieved with this proposed ...
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Optimal conductor size selection in radial distribution networks using a mixed-integer non-linear programming formulation 

Montoya O.D.; Garces A.; Castro C.A. (IEEE Computer Society, 2018)
In this paper a mixed-integer non-linear programming formulation for optimal conductor selection in radial distribution networks is proposed. The objective function in this problem corresponds to the minimization of power ...

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Author
Garces A. (7)
Montoya O.D. (7)Gil-Gonzalez W. (2)Gil-González W. (2)Avila-Becerril S. (1)Castro C.A. (1)Espinosa-Perez G. (1)González-Montoya D. (1)Grisales-Noreña L.F. (1)Ramos-Paja C.A. (1)... View MoreSubject
Electric load flow (7)
Electric power transmission networks (4)MATLAB (3)Acoustic generators (2)Micro grid (2)Algebraic modeling (1)C++ (programming language) (1)Calculations (1)Circuit stability (1)Conductor selections (1)... View MoreDate Issued2019 (4)2018 (3)Has File(s)No (5)Yes (2)

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Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.