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Application of the vortex search algorithm to the phase-balancing problem in distribution systems
(2021-02-26)
This article discusses the problem of minimizing power loss in unbalanced distribution systems through phase-balancing. This problem is represented by a mixed-integer nonlinear-programming mathematical model, which is ...
Reduction of losses and operating costs in distribution networks using a genetic algorithm and mathematical optimization
(2021-02-09)
This study deals with the minimization of the operational and investment cost in the distribution and operation of the power flow considering the installation of fixed-step capacitor banks. This issue is represented by a ...
Classical simple Lie 2-algebras of odd toral rank and a contragredient Lie 2-algebra of toral rank 4
(2021-04-29)
After the classification of simple Lie algebras over a field of characteristic p > 3, the main problem not yet solved in the theory of finite dimensional Lie algebras is the classification of simple Lie algebras over a ...
¿Qué es y hacia dónde va la fotografía?
(2021-07-01)
The role of energy storage and cross-border interconnections for increasing the flexibility of future power systems : the case of Colombia
(2021-04-20)
The rapid expansion of renewable energy technologies in the electricity sector
introduces new significant challenges for power systems due to their high
intermittency. Therefore, more flexibility is needed to ensure that ...
Network resource mobilisation limitations and the alliance portfolio network
(2021-03-11)
Purpose –The purpose of this study is to examine how access and mobilisation of network resources influence a firm’s performance. It has been established that alliance portfolio (AP) network parameters shape the access to ...
Medios noticiosos y audiencias : una exploración al consumo y a la credibilidad y confianza en estos durante la cuarentena por covid-19 en Colombia
(2021-08-15)
Durante la cuarentena decretada por la pandemia de covid-19 en Colombia, se realizó
una investigación exploratoria acerca de hábitos de consumo de medios noticiosos donde se abordó
también la percepción de credibilidad ...
Phakopsora pachyrhizi is the major pathogen associated with soybean rust in Colombia
(2021-03-26)
Soybean crops grown in the plains of eastern Colombia have been affected by the incidence of rust. This disease, still officially regarded as American soybean rust (caused by Phakopsora meibomiae) by the Colombian Department ...
A model for the development of programming courses to promote the participation of young women in STEM
(2021-10-26)
There is a gender gap in science, technology, engineering, and mathematics (STEM), and this is a global problem that affects society. However, it is worth pointing out that the gap is not uniform in all STEM fields. Women’s ...
A preliminary analysis for selecting the best hydrological probability density functions of annual peak flows associated to various return periods in some rivers of Colombia
(2021-11-01)
Analysis of extreme events of annual flow peaks are used for sizing hydraulic structures for specified return period. Cumulative distribution functions are applied to annual flow peak records in order to obtain extreme ...
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.