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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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Intelligent fault detection system for microgrids 

Cepeda, Cristian; Orozco-Henao, Cesar; Percybrooks, Winston; Pulgarín-Rivera, Juan Diego; Montoya, Oscar Danilo; Gil-González, Walter; Vélez, Juan Carlos (2020-03-06)
The dynamic features of microgrid operation, such as on-grid/off-grid operation mode, the intermittency of distributed generators, and its dynamic topology due to its ability to reconfigure itself, cause misfiring of ...
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Optimal selection and location of fixed-step capacitor banks in distribution networks using a discrete version of the vortex search algorithm 

Gil-González, Walter; Montoya, Oscar Danilo; Rajagopalan, Arul; Grisales-Noreña, Luis Fernando; Hernández, Jesus C. (2020-09-19)
This paper deals with the problem of the optimal selection of capacitor banks in electrical AC distribution systems for minimizing the costs of energy losses during a year of operation through a discrete version of the ...
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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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Triangular Matrix Formulation for Power Flow Analysis in Radial DC Resistive Grids With CPLs 

Montoya, Oscar Danilo; Grisales-Noreña, L.F.; Gil-González, Walter (2019-07)
This brief briefly addresses the problem of power flow solution for direct-current (dc) networks with radial configuration and constant power loads (CPLs). It proposes a novel iterative method based on the upper triangular ...
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Economic dispatch of renewable generators and BESS in DC microgrids using second-order cone optimization 

Gil-González, Walter; Montoya, Oscar Danilo; Grisales-Noreña, Luis F.; Cruz-Peragón, Fernando; Alcalá, Gerardo (2020-04-03)
A convex mathematical model based on second-order cone programming (SOCP) for the optimal operation in direct current microgrids (DCMGs) with high-level penetration of renewable energies and battery energy storage systems ...
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Direct power compensation in AC distribution networks with SCES systems via PI-PBC approach 

Gil-González, Walter; Martín-Serra, Federico; Montoya, Oscar Danilo; Ramírez, Carlos Alberto; Orozco-Henao, Cesar (2020-04-23)
Here, we explore the possibility of employing proportional-integral passivity-based control (PI-PBC) to support active and reactive power in alternating current (AC) distribution networks by using a supercapacitor energy ...
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Dynamic active and reactive power compensation in distribution networks with batteries: A day-ahead economic dispatch approach 

Montoya, Oscar Danilo; Gil-González, Walter (2020-06-08)
This paper focuses on the problems of optimal operation of battery energy storage systems (BESSs) in distributed networks from a nonlinear programming (NLP) point of view. This proposal contains the active and reactive ...
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Vortex search and Chu-Beasley genetic algorithms for optimal location and sizing of distributed generators in distribution networks: A novel hybrid approach 

Montoya, Oscar Danilo; Gil-González, Walter; Orozco-Henao, César (2020-08-03)
In this study, we analyzed the optimal location and sizing of distributed generators (DGs) in radial distributed networks using a hybrid master-slave metaheuristic technique. The master stage corresponds to the selection ...
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Optimal Location-Reallocation of Battery Energy Storage Systems in DC Microgrids 

Montoya, Oscar Danilo; Gil-González, Walter; Rivas-Trujillo, Edwin (2020-05-05)
This paper deals with the problem of optimal location and reallocation of battery energy storage systems (BESS) in direct current (dc) microgrids with constant power loads. The optimization model that represents this problem ...
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Author
Gil-González, Walter (37)
Montoya, Oscar Danilo (37)
Hernández, Jesus C. (8)Molina-Cabrera, Alexander (6)Grisales-Noreña, Luis Fernando (5)Garcés, Alejandro (3)Martin Serra, Federico (3)Orozco-Henao, César (3)Alcalá, Gerardo (2)Arias-Londoño, Andrés (2)... View MoreSubjectLEMB (15)Direct current networks (8)Second-order cone programming (7)Convex optimization (6)Distribution networks (5)Radial distribution networks (5)Economic dispatch problem (4)Battery energy storage system (3)Battery energy storage systems (3)Distributed generators (3)... View MoreDate Issued2020 (23)2021 (10)2019 (3)2022 (1)Has File(s)Yes (37)

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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.