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Voltage Stability Analysis in Medium-Voltage Distribution Networks Using a Second-Order Cone Approximation
(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) ... -
Voltage stability margin in DC grids with CPLs: A recursive Newton-raphson approximation
(Cartagena de Indias, 2019-03-11)This express brief addresses the voltage collapse problem in direct-current (dc) networks by using a recursive heuristic search algorithm based on the Newton-Raphson method. The determinant of the Jacobian matrix in the ... -
Voluntarias de la prevención contra la ceguera
(1986)Un grupo de personas voluntarios en la prevención de la ceguera. -
¿Volver o no volver a las clases presenciales? Motivaciones y temores que influyen en la deserción universitaria en Colombia en tiempos de postpandemia
(Cartagena de IndiasCampus TecnológicoComunicación Social, 2024-04-30)Objetivo: La pandemia de Covid-19 interrumpió la educación presencial en la mayoría de los países del mundo. Las universidades colombianas no fueron la excepción, y ahora, con el regreso a las aulas físicas, enfrentan ... -
Vortex Search Algorithm for Optimal Power Flow Analysis in DC Resistive Networks With CPLs
(Cartagena de Indias, 2019-08-30)This express brief addresses the optimal power flow (OPF) analysis in direct-current (DC) resistive networks with constant power loads (CPLs). The OPF employs the vortex search algorithm (VSA) in conjunction with a power ... -
Vortex Search Algorithm for Optimal Sizing of Distributed Generators in AC Distribution Networks with Radial Topology
(Springer, 2019)This paper proposes a vortex search algorithm (VSA) optimization for optimal dimensioning of distributed generators (DGs), in radial alternating current (AC) distribution networks. The VSA corresponds to a metaheuristic ... -
Vortex search and Chu-Beasley genetic algorithms for optimal location and sizing of distributed generators in distribution networks: A novel hybrid approach
(Cartagena de Indias, 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 ... -
Voz IP la revolución de las redes telefónicas
(Universidad Tecnológica de Bolívar, 2003)La finalidad de esta monografía no es realizar un manual de VoIP, por lo contrario es mostrar como esta tecnología incursiona cada vez mas en el mundo de las telecomunicaciones, sus ventajas, defectos y virtudes que ... -
VPN sobre linux: análisis de CIPE y PPTP
(Universidad Tecnológica de Bolívar, 2004)El desarrollo de las comunicaciones ha permitido que las empresas a nivel mundial, expandan la cantidad y calidad de los servicios que prestan a través de sus redes, pero los costos que implica mantener enlaces permanentes ... -
VRP model with time window, multiproduct and multidepot
(Cartagena de Indias, 2020-02-15)With the increase in the transfer of products in supply chains, the organization of routes requires a complex allocation insofar as different environmental variables are considered, and VRP models are an efficient tool for ... -
VSC with direct PI power control for frequency compensation in a microgrid: A PBC approach
(Institute of Electrical and Electronics Engineers Inc., 2019)The power systems with low inertia such as microgrids require advanced control strategies to improve their performance. These type of grids use voltage source converters to interconnect renewable energy sources and storage ... -
Wage and subjective conditions assessing tool applied for the quality of work: Case of the manufacturing sector of the Colombian Caribbean region
(International Business Information Management Association, IBIMA, 2018)Wage and Subjective Conditions Assessing Tool was designed and applied as a tool for assessing psychosocial components of job safety in a sample of 518 employees from different companies in the manufacturing sector of the ... -
Walters American Hotel
(1920)Calle de la Universidad, aun sin adoquinar. Vemos la tablilla de uno de los pocos sitios de hospedaje de la ciudad, el Walters American Hotel, y al fondo, a la derecha, el antiguo claustro de San Agustín, en donde funciona ... -
Web defacement /
(Universidad Tecnológica de Bolívar, 2016)En el siguiente proyecto investigativo encontraremos un seguimiento a la p´agina principal de la Universidad Tecnol´ogica de Bol´ıvar (www.unitecnologica.edu.co). El seguimiento fue de dos meses, donde en el primer mes ... -
What is photography and where is it going?
(Cartagena de IndiasCampus Tecnológico, 2021-07) -
What is the best triangulation approach for a structured light system?
(Cartagena de Indias, 2020-05-18)It has become customary to calibrate a camera-projector pair in a structured light (SL) system as a stereo-vision setup. The 3D reconstruction is carried out by triangulation from the detected point at the camera sensor ... -
Which cost of debt should be used in forecasting cash flows?
(Cartagena de Indias, 2009-04-20)Frequently, analysts and teachers use the capitalized rate of interest for the cost of debt when forecasting and discounting cash flows. Others estimate the interest payments when forecasting annual financial statements ... -
Which factors explain information exchange and user referral among program implementers?
(Cartagena de Indias, 2021-05-26)The Program for Psychosocial Care and Comprehensive Health for Victims serves, on a yearly basis, an average of 25,000 users in northern Colombia alone. The program is implemented by multidisciplinary teams comprised of ... -
Who Participates in Popular Feasts and Festivals? An Empirical Approach from Cultural Economics Applied to the Carnival of Barranquilla (Colombia)
(Cartagena de Indias, 2021-12-02)The empirical analysis of individual participation in local and popular feasts and festivals is a field little explored by cultural economists. This article proposes a methodological scheme to analyse the profile of the ... -
Wi-Fi como solución de campo de acceso LAN, para prestar servicios de internet y aplicaciones, dentro de la Universidad Tecnológica de Bolívar
(Universidad Tecnológica de Bolívar, 2004)Las tecnologías de redes inalámbricas LAN disponibles en el mercado, son muchas y cada vez seguirán emergiendo, por la gran demanda que se está presentando. Aquí se comparan dichas tecnologías de manera que se haga ...
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.