Listar por título
Mostrando ítems 8152-8171 de 11135
-
On the use of the p-q theory for harmonic currents cancellation with shunt active filter
(VSB-Technical University of Ostrava, 2019)Discussion and mathematical proof on necessary and sufficient conditions for the application of the p-q theory for compensating the harmonic currents consumed by non-linear load using a shunt active filter are presented. ... -
Ondas - Cardique 10 años
(Cartagena de IndiasCampus Tecnológico, 2018-11-28)El programa Ondas lleva 16 años generando fascinación por la ciencia y la investigación de tal manera que se ha constituido, hoy por hoy en la principal estrategia de Colciencias para el desarrollo de una cultura ciudadana ... -
One-minute integrated rainfall rate statistics from a rain gauge network in Colombia: Accuracy of prediction methods
(Cartagena de Indias, 2020-08-25)Reliable rainfall rate complementary cumulative distributions are critical for the design of microwave communications systems operating above around 8 GHz. This Letter presents the results of the analysis of more than 5 ... -
Operación continua en las redes (Load Balancing: concepto, gestión y monitoreo)
(Universidad Tecnológica de Bolívar, 2008)El presente documento es el resultado de una amplia investigación a cerca de la operación continua de redes, principalmente utilizando el balanceo de cargas. Además de otro tipo de herramientas y aspectos de igual ... -
-
Operating cost reduction in distribution networks based on the optimal phase-swapping including the costs of the working groups and energy losses
(Cartagena de Indias, 2021-07-27)The problem of optimal phase-balancing in three-phase asymmetric distribution networks is addressed in this research from the point of view of combinatorial optimization using a master– slave optimization approach. The ... -
Oportunidad de mercado de exportaciones de confecciones infantiles desde Colombia hacia Canadá
(Universidad Tecnológica de Bolívar, 2012)En este artículo trataremos acerca de las oportunidades que tiene la industria de confecciones infantiles colombianas en el mercado canadiense. Para abordar este tema primero explicaremos la negociación del acuerdo del ... -
Oportunidades de desarrollo para la Cartagena rural
(2014)Históricamente, Cartagena de Indias ha sido escenario de importantes aconte-cimientos en el ámbito nacional. Desde la misma época de la conquista y a lo lar-go de toda la colonia la ciudad fue centro de atención por su ... -
Oportunidades de exportación del Valle del Cauca en el acuerdo comercial Colombia-Canadá : el caso del sector azucarero
(2011)El tratado de Libre Comercio de Canadá y Colombia es un avance en el proceso de integración de sus economías, que brinda nuevas oportunidades comerciales. Esta investigación busca arrojar luces sobre la competitividad ... -
Opportunistic renegotiation of infraestructure concessions as rent seeking : the effect of legal systems
(2010)This paper examines the problem of renegotiation of infrastructure conces-sions in Latin America using a model of litigation with an application to in-centive contracts. Opportunistic renegotiation is here defined as a ... -
Optimal Allocation and Sizing of PV Generation Units in Distribution Networks via the Generalized Normal Distribution Optimization Approach
(Cartagena de Indias, 2022)The problem of optimal siting and dimensioning of photovoltaic (PV) generators in medium-voltage distribution networks is addressed in this research from the perspective of combinatorial optimization. The exact mixed-integer ... -
Optimal Charging Scheduling of Electric Vehicles based on Principal Component Analysis and Convex Optimization
(Cartagena de Indias, 2020-07-30)The widespread presence of plug-in Electric Vehicles (PEVs) in distribution power grids brings significant concerns regarding their energy demand and peak power requirements. In order to reduce the PEV load impact on power ... -
Optimal conductor size selection in radial distribution networks using a mixed-integer non-linear programming formulation
(IEEE Computer Society, 2018)In this paper a mixed-integer non-linear programming formulation for optimal conductor selection in radial distribution networks is proposed. The objective function in this problem corresponds to the minimization of power ... -
Optimal demand reconfiguration in three-phase distribution grids using an mi-convex model
(Cartagena de Indias, 2021)The problem of the optimal load redistribution in electrical three-phase medium-voltage grids is addressed in this research from the point of view of mixed-integer convex optimization. The mathematical formulation of the ... -
Optimal Design of PV Systems in Electrical Distribution Networks by Minimizing the Annual Equivalent Operative Costs through the Discrete-Continuous Vortex Search Algorithm
(Cartagena de Indias, 2022-01-23): This paper discusses the minimization of the total annual operative cost for a planning period of 20 years composed by the annualized costs of the energy purchasing at the substation bus summed with the annualized ... -
Optimal Design of Transmission Shafts Using a Vortex Search Algorithm
(Cartagena de Indias, 2021-01-02)This paper analyzes the problem of optimally sizing a transmission shaft via the vortex search algorithm (VSA) optimizer. The objective function was to minimize the shaft weight through an adequate selection of the diameters ... -
Optimal design of transmission shafts: A continuous genetic algorithm approach
(International Academic Press, 2019)This paper presents an analysis of the optimal design of transmission shafts by adopting the approach of a novel continuous genetic algorithm. The optimization case study is formulated as a single-objective optimization ... -
Optimal economic-environmental dispatch in MT-HVDC systems via sine-cosine algorithm
(Cartagena de Indias, 2022)This paper addresses the problem of optimal economic-environmental dispatch in Multi-Terminal High-Voltage Direct Current (MT-HVDC) networks using the Sine-Cosine Algorithm (SCA). This optimization methodology allows working ... -
Optimal Economic–Environmental Operation of BESS in AC Distribution Systems: A Convex Multi-Objective Formulation
(Cartagena de Indias, 2021-12-10)This paper deals with the multi-objective operation of battery energy storage systems (BESS) in AC distribution systems using a convex reformulation. The objective functions are CO2 emissions, and the costs of the daily ... -
Optimal Integration of Battery Systems in Grid-Connected Networks for Reducing Energy Losses and CO2 Emissions
(Cartagena de Indias, 2023)This work addressed the problem regarding the optimal integration of battery systems (BS) in grid-connected networks (GCNs) with the purpose of reducing energy losses and CO2 emissions, for which it formulates a mathematical ...
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.