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An MIP formulation for joint market-clearing of energy and reserves based on ramp scheduling
Morales España, German Andres; Ramos Galán, Andrés; García González, Javier (Association des Economistes de l'Energie (París, Francia), 04/06/2015)The day-ahead unit-commitment (UC)-based marketclearing (MC) is widely acknowledged to be the most economically efficient mechanism for scheduling resources in power systems. In conventional UC problems, power schedules ... -
Análisis en el plano r-x para localizar fallas de alta impedancia
Morales España, German Andres; Barrera Cárdenas, Rene; Ordóñez Plata, Gabriel (01/08/2009)Available: http://www.scielo.cl/pdf/ingeniare/v17n2/art10.pdf - Este artículo propone una herramienta de análisis en el plano R-X de un sistema en falla para resolver el problema de localización de fallas en sistemas de ... -
Assessment of operation reserves in a hydrothermal electric system with high wind generation
Bellido Miranda, Rafael; Ramos Galán, Andrés; Rivier Abbad, Michel Luis; García González, Javier; Latorre Canteli, Jesús María; Morales España, German Andres (European Cooperation in Science and Technology; European Cooperation in Science and Technology (Edimburgo, Reino Unido), 27/01/2016) -
Classification methodology and feature selection to assist fault location in power distribution systems
Mora Flórez, Juan; Morales España, German Andres; Pérez Londoño, Sandra Milena (01/06/2008)Available: http://ingenieria.udea.edu.co/grupos/revista/revistas/nro044/09rev_44.pdf - A classification methodology based on Support Vector Machines (SVM) is proposed to locate the faulted zone in power distribution ... -
Dynamic ramping model including intraperiod ramp-rate changes in unit commitment
Sánchez Martín, Pedro; Correa-Posada, Carlos M.; Morales España, German Andres; Dueñas Martínez, Pablo (08/06/2016)El crecimiento de la generación renovable en todo el mundo está dando lugar a nuevos retos para una operación segura, fiable y económica de los sistemas eléctricos de potencia. De cara a afrontar los retos de una producción ... -
Elimination of multiple estimation for fault location in radial power systems by using fundamental Single-End measurements
Morales España, German Andres; Mora Flórez, Juan; Vargas Torres, Hermann Raúl (Sin editorial (Vancouver, Canadá), 21/07/2013)This paper presents a conceptual approach for eliminating the multiple estimation problem of impedance-based fault location methods applied to power distribution systems, using the available measurements of current and ... -
Evaluación del clasificador basado en los k vecinos más cercanos para la localización de la zona en falla en los sistemas de potencia
Mora Flórez, Juan; Morales España, German Andres; Barrera Cárdenas, Rene (01/12/2008)Available: http://www.revistaingenieria.unal.edu.co/Resumenes/28_3/11_794.pdf - En este artículo se presenta una estrategia de identificación del tipo de falla y localización de la misma, en un sistema de distribución ... -
Learning-based strategy for reducing the multiple estimation problem of fault zone location in radial power systems
Mora Flórez, Juan; Morales España, German Andres; Pérez Londoño, Sandra Milena (01/04/2009)A learning-based strategy that uses support vector machines and k nearest neighbours is proposed for locating the faulted zone in radial power systems, specifically in distribution networks. The main goal is to reduce the ... -
PEV storage in multi-bus scheduling problems
Momber, Ilan; Morales España, German Andres; Ramos Galán, Andrés; Gómez San Román, Tomás (Association des Economistes de l'Energie (París, Francia), 04/06/2015)Modeling electricity storage to address challenges and opportunities of its applications for smart grids requires inter-temporal equalities to keep track of energy content over time. Prevalently, these constraints present ... -
Power-based generation expansion planning for flexibility requirements
Tejada Arango, Diego Alejandro; Morales España, German Andres; Wogrin, Sonja; Centeno Hernáez, EfraimFlexibility requirements are becoming more relevant in power system planning due to the integration of variable Renewable Energy Sources (vRES). In order to consider these requirements Generation Expansion Planning (GEP) ... -
Reconocimiento de comandos por voz con máquinas de soporte vectorial a través de bandas espectrales
Morales España, German Andres; Barrera Cárdenas, Rene; Mora Flórez, Juan (01/12/2007)Available: http://www.utp.edu.co/php/revistas/ScientiaEtTechnica/docsFTP/17222079-84.pdf - En este artículo se propone una metodología para reconocimiento de comandos hablados, utilizando Máquinas de Soporte Vectorial ... -
Tight and compact MILP formulation for the thermal unit commitment problem
Morales España, German Andres; Latorre Canteli, Jesús María; Ramos Galán, Andrés (Association des Economistes de l'Energie (París, Francia), 04/06/2015)This paper presents a Mixed-Integer Linear Programming (MILP) reformulation of the thermal Unit Commitment (UC) problem. The proposed formulation is simultaneously tight and compact. The tighter characteristic reduces the ... -
Tight and compact MILP formulation of start-up and shut-down ramping in unit commitment
Morales España, German Andres; Latorre Canteli, Jesús María; Ramos Galán, Andrés (Sin editorial (Vancouver, Canadá), 21/07/2013)This paper presents a Mixed-Integer Linear Programming (MILP) formulation of Start-Up (SU) & Shut-Down (SD) power trajectories of thermal units. Multiple SU powertrajectories and costs are modeled according to how long the ...