Listar Investigaciones por autor "Hernández, Jesus C."
Mostrando ítems 21-25 de 25
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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. (Cartagena de Indias, 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 ... -
Seasonality effect analysis and recognition of charging behaviors of electric vehicles: A data science approach
Domínguez Jiménez, Juan Antonio; Campillo Jiménez, Javier Eduardo; Montoya, Oscar Danilo; De la Hoz Domínguez, Enrique José; Hernández, Jesus C. (Cartagena de Indias, 2020-09-20)Electric vehicles (EVs) presence in the power grid can bring about pivotal concerns regarding their energy requirements. EVs charging behaviors can be affected by several aspects including socio-economics, psychological, ... -
Sensorless Adaptive Voltage Control for Classical DC-DC Converters Feeding Unknown Loads: A Generalized PI Passivity-Based Approach
Gil-González, Walter; Montoya, Oscar Danilo; Restrepo, Carlos; Hernández, Jesus C. (Cartagena de Indias, 2021-09-24)The problem of voltage regulation in unknown constant resistive loads is addressed in this paper from the nonlinear control point of view for second-order DC-DC converters. The converters’ topologies analyzed are: (i) buck ... -
Simultaneous Minimization of Energy Losses and Greenhouse Gas Emissions in AC Distribution Networks Using BESS
Molina Martin, Federico; Montoya, Oscar Danilo; Grisales Noreña, Luis Fernando; Hernández, Jesus C.; Ramírez Vanegas, Carlos A. (Cartagena de IndiasCampus TecnológicoIngeniería Eléctrica, 2021-04-22)The problem of the optimal operation of battery energy storage systems (BESSs) in AC grids is addressed in this paper from the point of view of multi-objective optimization. A nonlinear programming (NLP) model is presented ... -
Voltage Stability Analysis in Medium-Voltage Distribution Networks Using a Second-Order Cone Approximation
Montoya, Oscar Danilo; Gil-González, Walter; Arias-Londoño, Andrés; Rajagopalan, Arul; Hernández, Jesus C. (Cartagena de Indias, 2020-11-02)This paper addresses the voltage stability margin calculation in medium-voltage distribution networks in the context of exact mathematical modeling. This margin calculation is performed with a second-order cone (SOCP) ...
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.