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Mostrando ítems 981-1000 de 1394
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Optimal Reactive Power Compensation in Distribution Networks with Radial and Meshed Structures Using D-STATCOMs: A Mixed-Integer Convex Approach
(Cartagena de Indias, 2022-11-10)This paper deals with the problem regarding the optimal siting and sizing of distribution static compensators (D-STATCOMs) in electrical distribution networks to minimize the expected total annual operating costs. These ... -
Optimal Reactive Power Compensation via D-STATCOMs in Electrical Distribution Systems by Applying the Generalized Normal Distribution Optimizer
(Cartagena de IndiasCampus Tecnológico, 2023-01-03)This research deals with the problem regarding the optimal siting and sizing of distribution static compensators (D-STATCOMs) via the application of a master–slave optimization technique. The master stage determines the ... -
Optimal Selection and Integration of Batteries and Renewable Generators in DC Distribution Systems through a Mixed-Integer Convex Formulation
(Cartagena de Indias, 2022-09-30)The problem concerning the optimal placement and sizing of renewable energy resources and battery energy storage systems in electrical DC distribution networks is addressed in this research by proposing a new mathematical ... -
Optimal selection and location of bess systems in medium-voltage rural distribution networks for minimizing greenhouse gas emissions
(Cartagena de Indias, 2020-12-09)This paper explores a methodology to locate battery energy storage systems (BESS) in rural alternating current (AC) distribution networks fed by diesel generators to minimize total greenhouse gas emissions. A mixed-integer ... -
Optimal selection and location of fixed-step capacitor banks in distribution networks using a discrete version of the vortex search algorithm
(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 ... -
Optimal Selection of Conductor Sizes in Three-Phase Asymmetric Distribution Networks Considering Optimal Phase-Balancing: An Application of the Salp Swarm Algorithm
(Cartagena de Indias, 2022-09-14)This paper presents a new methodology to simultaneously solve the optimal conductor selection and optimal phase-balancing problems in unbalanced three-phase distribution systems. Both problems were represented by means of ... -
Optimal selection of conductors in distribution systems using tabu search algorithm [Selección óptima de conductores en sistemas de distribución empleando el algoritmo búsqueda tabú]
(Universidad de Tarapaca, 2018)An efficient methodology for the optimal selection of conductor in distribution systems through the implementation of the metaheuristic optimization technique called Tabu Search is presented in this paper. To represent the ... -
Optimal Selection of Conductors in Three-Phase Distribution Networks Using a Discrete Version of the Vortex Search Algorithm
(Cartagena de Indias, 2021-07-18)In this study, a new methodology is proposed to perform optimal selection of conductors in three-phase distribution networks through a discrete version of the metaheuristic method of vortex search. To represent the problem, ... -
Optimal Sizing of DGs in AC Distribution Networks via Black Hole Optimization
(Institute of Electrical and Electronics Engineers Inc., 2018)This paper presents a metaheuristic optimization technique named back hole optimization (BHO) for solving the problem of optimal dimensioning of distributed generation in radial distribution networks. This problem is ... -
Optimización de la hidrólisis de lactosa aplicando la metodología de superficie de respuesta para el diseño de un modelo de fabricación de suero costeño deslactosado /
(2020)Los lácteos son alimentos con alto valor nutricional, pero su consumo se ha visto reducido con el incremento de la cantidad de personas intolerantes a la lactosa. Este problema de ha mejorado con la introducción al mercado ... -
Optimization of a drive shaft using PSO algorithm
(World Scientific and Engineering Academy and Society, 2018)Mechanical design involves several continuous variables associated with the calculation of elements that compose the parts implemented in different processes. However, when the values associated with several design variables ... -
Optimization of convective drying assisted by ultrasound for Mango Tommy (Mangifera indica L.)
(Blackwell Publishing Inc., 2018)Convective drying is a conventional method to prolong the shelf-life of foods that could negatively affect the product quality due to the long exposure time to high temperature. Ultrasound (US) has been used for reducing ... -
Optimized Two-Level Control of Islanded Microgrids to Reduce Fluctuations
(Cartagena de Indias, 2022-09)The main problem in the operation of micro-grids is controlling the voltage and frequency. The inertia of the whole grid is low, so the operation of the system is interrupted by sudden changes in load or incidence in the ... -
Optimum search strategies or novel 3D molecular descriptors: Is there a stalemate?
(Bentham Science Publishers B.V., 2015)The present manuscript describes a novel 3D-QSAR alignment free method (QuBiLS-MIDAS Duplex) based on algebraic bilinear, quadratic and linear forms on the kth two-tuple spatial-(dis)similarity matrix. Generalization schemes ... -
Organic versus conventional: A comparative study on the shelf life of passion fruit (Passiflora edulis Sims) crops
(Universiti Putra Malaysia, 2019)Yellow passion fruit (Passiflora edulis Sims) is one of the most appetising fruits worldwide due to its intense flavour. There have been few published studies comparing the evolution of storage quality parameters and shelf ... -
Organizational cynicism - An exploration analysis-case: Workers in the city of Cartagena de Indias (Colombia)
(Revista Espacios, 2018)Organizational cynicism is a fact that is present and negative within organizations. In this sense, the present study aims to approach the phenomenon of cynicism in organizations from the study of cynical attitudes composed ... -
Organizational happiness dimensions as a contribution to sustainable development goals: A prospective study in higher education institutions in Chile, Colombia and Spain
(Cartagena de Indias, 2020-12-15)The aim of this study is to reveal the perception of current and future organizational happiness in the context of higher education institutions (HEIs) in a cross-national study, to reveal exploratory scenarios supporting ... -
Organizational management for innovation: Petrochemical sector case in Cartagena de Indias (Colombia)
(2010)This study was made within the framework of characterizing the petrochemical and plastic sector and aims to analyze different models of organizational management for innovation. The methodology used was that of multiple ... -
Origin and weight of news media outlets indexed on google news: An exploration of the editions from Brazil, Colombia, and Mexico
(Cartagena de Indias, 2020-12-01)Google News is a controversial news aggregation service owned by Google. By analyzing 3,738,375 news stories added in the Brazil, Colombia, and Mexico editions from January to March of 2015, 2,246 news media outlets were ... -
Output Voltage Regulation for DC-DC Buck Converters: A Passivity-Based PI Design
(Institute of Electrical and Electronics Engineers Inc., 2019)This paper presents a global tracking passivity-based proportional-integral (PI) control for output voltage regulation of a DC-DC Buck converter. The proposed controller is based on passivity formulation since DC-DC Buck ...
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.