Recent Submissions

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    On Simplified 3D Finite Element Simulations of Three-Core Armored Power Cables  [Article]

    Pino-López, Juan Carlos del; Hatlo, Mario; Cruz-Romero, Pedro (MDPI, 2018-11)
    This paper analyzes different ways to electromagnetically simulate three-core armored cables in 3D by means of the finite element method. Full periodic models, as lengthy as 36 m, are developed to evaluate the accuracy ...
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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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    Eficient Model Predictive Control with Natural Fault-Tolerance in Asymmetrical Six-Phase Induction Machines  [Article]

    González Prieto, Ángel; González Prieto, Ignacio; Durán, Mario J.; Barrero, Federico (MDPI, 2019-10)
    Multiphase machines allow enhancing the performance of wind energy conversion systems from the point of view of reliability and eficiency. The enhanced robustness has been traditionally achieved with a mandatory post-fault ...
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    Ancillary Services in Hybrid AC/DC Low Voltage Distribution Networks  [Article]

    Maza Ortega, José María; Mauricio Ferramola, Juan Manuel; Barragán Villarejo, Manuel; Demoulias, Charis; Gómez Expósito, Antonio (MDPI, 2019-09)
    In the last decade, distribution systems are experiencing a drastic transformation with the advent of new technologies. In fact, distribution networks are no longer passive systems, considering the current integration ...
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    Continuous harmonic analysis and power quality measurements in three-phase systems  [Article]

    Montaño Asquerino, Juan Carlos; López Ojeda, Antonio; Gutiérrez Benítez, Jaime; Castilla Ibáñez, Manuel; Borrás Talavera, M. Dolores; Bravo Rodríguez, Juan Carlos (European Association for the Development of Renewable Energies, Environment and Power Quality, 2003)
    A virtual instrument, named Power Quality Meter, is presented for (a) measuring power consumption and harmonics in three-phase systems, under non-sinusoidal and imbalance conditions (b) detecting, classifying and ...
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    Operación flexible de redes de distribución mediante convertidores electrónicos  [PhD Thesis]

    García López, Francisco De Paula (2019-10-15)
    Actualmente no se puede negar la problemática asociada a las redes de distribución, tanto de baja como de media tensión, debido al nuevo paradigma de generación y consumo que se espera en un futuro muy cercano. La ...
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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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    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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    Diseño y control de filtros activos mediante simulación HIL  [Presentation]

    Vélez Hinojosa, Luis F.; Bravo Rodríguez, Juan Carlos (3 ciencias. Área de Innovación y Desarrollo,S.L., 2019)
    La implementación de los filtros activos es una de las soluciones más eficientes a la problemática que plantea el creciente uso de cargas no lineales en la red eléctrica y la proliferación de cargas distribuidas provenientes ...
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    Direct torque control of multiphase doubly converter-fed asynchronous machines incorporating the harmonic torques  [Article]

    Martínez Román, Javier; Serrano Iribarnegaray, Luis; Pino López, Juan Carlos del; Cruz Romero, Pedro Luis (ASTES Publishers, 2018)
    Doubly fed asynchronous machines have an outstanding property: they can be operated up to twice rated speed delivering full rated torque. This paper presents, for the first time in the literature, a control system for ...
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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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    Contribuciones a la localización de defectos en cables eléctricos.  [PhD Thesis]

    Álvarez Arroyo, César (2019-05-28)
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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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    Three-dimensional space vector modulation in abc coordinates for four-leg voltage source converters  [Article]

    Perales Esteve, Manuel Ángel; Martín Prats, María de los Ángeles; Portillo Guisado, Ramón Carlos; Mora Jiménez, José Luis; León, José Ignacio; García Franquelo, Leopoldo (Institute of Electrical and Electronics Engineers (IEEE), 2003)
    Four-leg inverters have been selected as one of the preferred power converter topologies for applications that require a precise control of neutral current, like active filters. The main advantage of this topology lies in ...
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    On Simplified 3D Finite Element Simulations of Three-Core Armored Power Cables  [Article]

    Pino-López, Juan Carlos del; Hatlo, Marius; Cruz-Romero, Pedro Luis (MDPI, 2018-11)
    This paper analyzes different ways to electromagnetically simulate three-core armored cables in 3D by means of the finite element method. Full periodic models, as lengthy as 36 m, are developed to evaluate the accuracy ...
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    Experimental Assessment of a Centralised Controller for High-RES Active Distribution Networks  [Article]

    García-López, Francisco de Paula; Barragán-Villarejo, Manuel; Marano-Marcolini, Alejandro; Maza-Ortega, José María; Martínez-Ramos, José Luis (MDPI, 2018-12)
    This paper assesses the behaviour of active distribution networks with high penetration of renewable energy sources when the control is performed in a centralised manner. The control assets are the on-load tap changers ...
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    Cross-Border Energy Exchange and Renewable Premiums: The Case of the Iberian System  [Article]

    Roldán-Fernández, Juan Manuel; Gómez-Quiles, Catalina; Merre, Adrien; Burgos-Payán, Manuel; Riquelme-Santos, Jesús Manuel (MDPI, 2018-11)
    In 2002, the European Union set a target of 10% electricity interconnection capacity for 2020: a target that has been further extended to 15% by 2030. Cross-border interconnection of regional/national electricity systems ...
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    Geometric Objects: A Quality Index to Electromagnetic Energy Transfer Performance in Sustainable Smart Buildings  [Article]

    Bravo-Rodríguez, Juan Carlos; Castilla Roldán, Manuel-Viggo (MDPI, 2018)
    Sustainable smart buildings play an essential role in terms of more efficient energy. However, these buildings as electric loads are affected by an important distortion in the current and voltage waveforms caused by the ...
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    Introducción del autoaprendizaje mediante la elaboración de las memorias de laboratorio  [Presentation]

    Trigo García, Ángel Luis; Marano Marcolini, Alejandro; Pino López, Juan Carlos del; Burgos Payán, Manuel (Universidad de Sevilla. Facultad de Ciencias de la Educación, 2011)
    Se describe un trabajo de innovación educativa orientado a alumnos de primeros cursos de enseñanzas técnicas (Teoría de Circuitos), basada en la introducción de las técnicas de autoaprendizaje en el trabajo de laboratorio ...
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    Aplicación de las directrices del Espacio Europeo de Educación Superior en la docencia de Accionamientos Eléctricos  [Presentation]

    Del-Pino-López, Juan Carlos; Cruz-Romero, Pedro Luis; Marano Marcolini, Alejandro; Trigo García, Ángel Luis; Maza Ortega, José María; Burgos Payán, Manuel (Universidad de Sevilla. Facultad de Ciencias de la Educación, 2011)
    Se presenta una experiencia docente en la docencia de las asignaturas de Máquinas Eléctricas y Tracción y Accionamientos Eléctricos impartidas en la Titulación de In­geniero Industrial, con objeto de adecuarlas a las nuevas ...

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