Now showing items 1-20 of 125

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      A 800 kW wind-diesel test bench based on the MADE AE-52 variable speed wind turbine  [Presentation]

      Sánchez Segura, Juan Antonio; Moreno-Alfonso, Narciso; Vázquez Pérez, Sergio; Carrasco Solís, Juan Manuel; Galván Díez, Eduardo; Batista, C.; Hurtado, S.; Costales, G. (IEEE Xplore, 2003)
      A field work have been made about the practical installation of a wind-diesel autonomous power system. A remarkable innovation on the control of the latter wind-diesel system is the ability of taking advantage of the kinetic ...
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      A Hybrid Procedure Including Subtransmission Systems and Substations for Reliability Assessment  [Article]

      Martínez-Lacañina, Pedro José; Villa Jaén, Antonio de la; Martínez Ramos, José Luis (IEEE Xplore Digital Library, 2013)
      A new procedure focused on reliability analysis of subtransmission systems supported by the state enumeration technique is presented. This new methodology is conducted in three stages. First, a classical state enumeration ...
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      A Market-Based Analysis on the Main Characteristics of Gearboxes Used in Onshore Wind Turbines  [Article]

      Vázquez-Hernández, Cristina; Serrano-González, Javier; Centeno Báez, Gabriel (MDPI, 2017-10-25)
      Even though wind energy is one of the most mature renewable technologies, it is in continuous development not only because of the trend towards larger wind turbines but also because of the development of new technological ...
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      A MPC Strategy for the Optimal Management of Microgrids Based on Evolutionary Optimization  [Article]

      Rodríguez del Nozal, Álvaro; Gutiérrez Reina, Daniel; Alvarado-Barrios, Lázaro; Tapia Córdoba, Alejandro; Escaño González, Juan Manuel (MDPI, 2019-11)
      In this paper, a novel model predictive control strategy, with a 24-h prediction horizon, is proposed to reduce the operational cost of microgrids. To overcome the complexity of the optimization problems arising from the ...
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      A new DC corrective OPF based on generator and branch outages modelled as fictitious nodal injections  [Article]

      Martínez-Lacañina, Pedro José; Martínez Ramos, José Luis; Villa Jaén, Antonio de la; Marano Marcolini, Alejandro (IEEE Xplore Digital Library, 2014)
      This work deals with a new formulation for the direct current corrective optimal power flow. The formulation is based on the outage of generators and/or branches modelled as fictitious injections of active power. By including ...
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      A New Droop Coefficient Design Method for Accurate Power-Sharing in VSC-MTDC Systems  [Article]

      Liu, Yuchao; Green, Tim C.; Wu, Jian; Rouzbehi, Kumars; Raza, Ali; Xu, Dianguo (IEEE, 2019-04)
      This paper proposes a new droop coefficient design method with the aim of improving the power-sharing accuracy among the converters in a multi-terminal dc (MTDC) system. The proposed droop coefficient design method works ...
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      A new technique for short-term reliability assessment of transmission and distribution networks  [Presentation]

      Martínez-Lacañina, Pedro José; Villa Jaén, Antonio de la; Martínez Ramos, José Luis (IEEE Xplore, 2006)
      This paper proposes a new methodology for shortterm (24 hours) reliability assessment of transmission and distribution networks, including detailed substations models. Substations are first considered as single electrical ...
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      A novel ensemble method for electric vehicle power consumption forecasting: Application to the Spanish system  [Article]

      Gómez-Quiles, Catalina; Asencio Cortés, G.; Gastalver Rubio, Adolfo; Martínez-Álvarez, Francisco; Troncoso Lora, Alicia; Manresa, Joan; Riquelme Santos, José Cristóbal; Riquelme Santos, Jesús Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      The use of electric vehicle across the world has become one of the most challenging issues for environmental policies. The galloping climate change and the expected running out of fossil fuels turns the use of such ...
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      A Survey on Optimization Techniques Applied to Magnetic Field Mitigation in Power Systems  [Article]

      Bravo-Rodríguez, Juan Carlos; Del-Pino-López, Juan Carlos; Cruz-Romero, Pedro Luis (MDPI, 2019)
      With the continuous increase in the number and relevance of electric transmission lines and distribution networks, there is a higher exposure to the magnetic fields generated by them, leading to more cases of human ...
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      A Survey on the Application of Evolutionary Algorithms for Mobile Multihop Ad Hoc Network Optimization Problems  [Article]

      Gutiérrez Reina, Daniel; Ruiz, P.; Ciobanu, R.; Toral, S. L.; Dorronsoro, Bernabé; Dobre, Ciprian (SAGE Publications, 2016)
      Evolutionary algorithms are metaheuristic algorithms that provide quasioptimal solutions in a reasonable time. They have been applied to many optimization problems in a high number of scientific areas. In this survey ...
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      Accurate Assessment of Decoupled OLTC Transformers to Optimize the Operation of Low-Voltage Networks  [Article]

      Rodríguez del Nozal, Álvaro; Romero Ramos, Esther; Trigo García, Ángel Luis (MDPI, 2019-06)
      Voltage control in active distribution networks must adapt to the unbalanced nature of most of these systems, and this requirement becomes even more apparent at low voltage levels. The use of transformers with on-load ...
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      Adaptación de asignaturas técnicas al Espacio Europeo de Educación Superior  [Article]

      Del-Pino-López, Juan Carlos; Simón Sempere, Vicente; Burgos Payán, Manuel (Universidad de Sevilla: Instituto de Ciencias de la Educación, 2009)
      Se presenta una experiencia educativa en la docencia de dos asignaturas de la titulación de ingeniero técnico industrial, con objeto de adecuarla a las nuevas directrices introducidas por el espacio europeo de educación ...
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      An Approach to the Multivectorial Apparent Power in Terms of a Generalized Poynting Multivector  [Article]

      Castilla Ibáñez, Manuel; Bravo-Rodríguez, Juan Carlos; Ordoñez Sánchez, Manuel; Montaño, Juan-Carlos (EMW Publishing, 2009)
      The purpose of this paper is to explain an exact derivation of apparent power in n-sinusoidal operation founded on electromagnetic theory, until now unexplained by simple mathematical models. The aim is to explore a new ...
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      An efficient ordering algorithm to improve sparse vector methods  [Article]

      Gómez Expósito, Antonio; García Franquelo, Leopoldo (1988-11)
      This paper presents a new node ordering algorithm to enhance sparse vector methods. The proposed technique locally minimizes the number of non-zero elements of the inverse of the table of factors. It uses the cardinality ...
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      An Evolutionary Computational Approach for the Problem of Unit Commitment and Economic Dispatch in Microgrids under Several Operation Modes  [Article]

      Alvarado Barrios, Lázaro; Rodríguez del Nozal, Álvaro; Tapia Córdoba, Alejandro; Martínez Ramos, José Luis; Gutiérrez Reina, Daniel (MDPI AG, 2019-06)
      In the last decades, new types of generation technologies have emerged and have been gradually integrated into the existing power systems, moving their classical architectures to distributed systems. Despite the positive ...
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      An Interactive Educational Tool for the Teaching of Manoeuvres in Electrical Substations  [Article]

      Monroy-Berjillos, Darío; Bachiller-Soler, Alfonso; Martínez-Lacañina, Pedro José (Wiley online library, 2013)
      The philosophy of safety at work is one of the bases for the operation of electrical installations, with particular relevance in the manoeuvres in electrical substations. The curriculum for Electrical Engineering students ...
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      Analizadores de red de bajo coste  [Presentation]

      Torres García, Francisco Javier; Bravo Rodríguez, Juan Carlos; Borrás Talavera, M. Dolores (3ciencias. Editorial Área de Innovación y Desarrollo,S.L., 2018)
      El uso masivo de dispositivos electrónicos, tanto en entornos domésticos como industriales, tiene un impacto directo e inmediato en la creciente y compleja red de distribución eléctrica a la que se conectan. De aquí la ...
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      Análisis de un sistema híbrido solar eólico para suministro de energía eléctrica  [Article]

      Bachiller-Soler, Alfonso; Martínez-Lacañina, Pedro José; Pérez Moreno, Yolanda; Cousinou Martínez, Juan J.; Hernández Molina, Lidia (Ingeniería Química: Alción, 2003)
      El panorama socioeconómico actual ha propiciado un gran auge en el uso de energías renovables. El importante crecimiento de estas energías, también se debe en gran medida a la preocupación social por los impactos ...
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      Análisis estático de seguridad en redes de transporte  [PhD Thesis]

      Riquelme Santos, Jesús Manuel (1998)
      La creciente complejidad de la red eléctrica hace que el estudio de la seguridad sea un problema costoso computacionalmente. Por tanto se plantea la necesidad de disponer de una herramienta adecuada que facilite este ...