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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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A hybrid approach based on socp and the discrete version of the sca for optimal placement and sizing dgs in ac distribution networks 

Montoya, Oscar Danilo; Molina-Cabrera, Alexander; Chamorro, Harold R.; Alvarado-Barrios, Lazaro; Rivas-Trujillo, Edwin (2020-12-27)
This paper deals with the problem of the optimal placement and sizing of distributed generators (DGs) in alternating current (AC) distribution networks by proposing a hybrid master–slave optimization procedure. In the ...
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Latencies in power systems: A database-based time-delay compensation for memory controllers 

Molina-Cabrera, Alexander; Rios, Mario A.; Besanger, Yvon; Hadjsaid, Nouredine; Montoya, Oscar Danilo (2021-01-18)
Time-delay is inherent to communications schemes in power systems, and in a closed loop strategy the presence of latencies increases inter-area oscillations and security problems in tie-lines. Recently, Wide Area Measurement ...
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Global stabilization of a reaction wheel pendulum: A discrete-inverse optimal formulation approach via a control lyapunov function 

Montoya, Oscar Danilo; Gil-González, Walter; Dominguez-Jiménez, Juan A.; Molina-Cabrera, Alexander; Giral-Ramírez, Diego A. (2020-10-26)
This paper deals with the global stabilization of the reaction wheel pendulum (RWP) in the discrete-time domain. The discrete-inverse optimal control approach via a control Lyapunov function (CLF) is employed to make the ...
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Second-order cone approximation for voltage stability analysis in direct-current networks 

Montoya, Oscar Danilo; Gil-González, Walter; Molina-Cabrera, Alexander (2020-09-24)
In this study, the voltage stability margin for direct current (DC) networks in the presence of constant power loads is analyzed using a proposed convex mathematical reformulation. This convex model is developed by employing ...
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A second-order cone programming reformulation of the economic dispatch problem of bess for apparent power compensation in ac distribution networks 

Montoya, Oscar Danilo; Gil-González, Walter; Martin Serra, Federico; Hernández, Jesus C.; Molina-Cabrera, Alexander (2020-10-14)
The problem associated with economic dispatch of battery energy storage systems (BESSs) in alternating current (AC) distribution networks is addressed in this paper through convex optimization. The exact nonlinear programming ...
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A second-order cone programming reformulation of the economic dispatch problem of bess for apparent power compensation in ac distribution networks 

Montoya, Oscar Danilo; Gil-González, Walter; Martin Serra, Federico; Hernández, Jesus C.; Molina-Cabrera, Alexander (2020-10-14)
The problem associated with economic dispatch of battery energy storage systems (BESSs) in alternating current (AC) distribution networks is addressed in this paper through convex optimization. The exact nonlinear programming ...
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An mi-sdp model for optimal location and sizing of distributed generators in dc grids that guarantees the global optimum 

Gil-González, Walter; Molina-Cabrera, Alexander; Montoya, Oscar Danilo; Grisales-Noreña, Luis Fernando (2020-10-30)
This paper deals with a classical problem in power system analysis regarding the optimal location and sizing of distributed generators (DGs) in direct current (DC) distribution networks using the mathematical optimization. ...
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Exact minimization of the energy losses and the CO2 emissions in isolated DC distribution networks using PV sources 

Montoya, Oscar Danilo; Gil-González, Walter; Molina-Cabrera, Alexander (2021-04-28)
This paper addresses the optimal location and sizing of photovoltaic (PV) sources in isolated direct current (DC) electrical networks, considering time-varying load and renewable generation curves. The mathematical ...
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A Comparative Study on Power Flow Methods Applied to AC Distribution Networks with Single-Phase Representation 

Montoya, Oscar Danilo; Molina-Cabrera, Alexander; Hernández, Jesus C (2021-10-21)
This paper presents a comparative analysis of six different iterative power flow methods applied to AC distribution networks, which have been recently reported in the scientific literature. These power flow methods are (i) ...
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Hierarchical Control for DC Microgrids Using an Exact Feedback Controller with Integral Action 

Montoya, Oscar Danilo; Martin Serra, Federico; Molina-Cabrera, Alexander (2022-02-06)
This paper addresses the problem of the optimal stabilization of DC microgrids using a hierarchical control design. A recursive optimal power flow formulation is proposed in the tertiary stage that ensures the global ...
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Molina-Cabrera, Alexander (11)
Montoya, Oscar Danilo (11)
Gil-González, Walter (6)Martin Serra, Federico (3)Grisales-Noreña, Luis Fernando (2)Hernández, Jesus C. (2)Alvarado-Barrios, Lazaro (1)Besanger, Yvon (1)Chamorro, Harold R. (1)Dominguez-Jiménez, Juan A. (1)... View MoreSubjectLEMB (8)Convex optimization (4)Second-order cone programming (3)Battery energy storage systems (2)Distributed generation (2)Economic dispatch problem (2)Banach fixed-point theorem (1)Branch and bound method (1)Convergence analysis (1)Convex reformulation (1)... View MoreDate Issued2020 (6)2021 (4)2022 (1)Has File(s)
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Campus Tecnológico
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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.