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Assessment of Virtual-Voltage-Based Model Predictive Controllers in Six-Phase Drives Under Open-Phase Faults
(Institute of Electrical and Electronics Engineers, 2020-09)The inherent fault-tolerant capability of multiphase machines is highly appreciated, but it requires fault detection and localization together with a reconfiguration of the control scheme. When the multiphase machine ... -
Single-Switch Bipolar Output DC-DC Converter for Photovoltaic Application
Pérez Litrán, Salvador
; Durán Aranda, Eladio; Semião, Jorge; Barroso Rodríguez, Rafael (MDPI, 2020-07)
Bipolar DC grids have become an adequate solution for high-power microgrids. This is mainly due to the fact that this configuration has a greater power transmission capacity. In bipolar DC grids, any distributed generation ... -
Diseño de un acondicionador activo de potencia basado en la combinación de filtro activo serie y filtro activo paralelo para la compensación de cargas trifásicas no lineales
Prieto Thomas, Jaime (Universidad de Huelva, 2020)
Este trabajo de Tesis presenta el diseño de un filtro activo de potencia combinado serie – paralelo para el acondicionamiento completo de la carga, tanto en las tensiones con las que trabaja como en las intensidades que ... -
Localización y valoración de fuentes de distorsión armónica y/o desequilibrio en redes eléctricas
Pérez Vallés, Alejandro (Universidad de Huelva, 2020)
En la actualidad, los consumos de potencia eléctrica se caracterizan por una amplia variedad de cargas en sus procesos productivos, en muchos de los casos cargas trifásicas/monofásicas constituidas por convertidores ... -
Assessment of a Universal Reconfiguration-less Control Approach in Open-Phase Fault Operation for Multiphase Drives
(MDPI, 2019-12)Multiphase drives have been important in particular industry applications where reliability is a desired goal. The main reason for this is their inherent fault tolerance. Di erent nonlinear controllers that do not include ... -
Estudio del potencial eólico en mar abierto y optimización de la producción energética en la implantación de parques eólicos marinos
Bahamonde García, Manuel Ignacio (Universidad de Huelva, 2019)
El agotamiento de las fuentes primarias de energía de origen fósil, las emisiones de gases de efecto invernadero y la necesidad de un consumo energético sostenible hacen necesario un cambio de modelo, con el uso preferente ... -
Testing Bench for Remote Practical Training in Electric Machines
Sánchez Herrera, María Reyes; Andújar Márquez, José Manuel; Mejías Borrero, Andrés Manuel; Márquez Sánchez, Marco Antonio (Elsevier, 2013)
Remote labs are emerging as a necessary tool to support practical classes in engineering studies. It is due to the increasing number of students who combine their studies with work. In fact, there are numerous developments ... -
Instantaneous Reactive Power Theory: A Reference in the Nonlinear Loads Compensation
Sánchez Herrera, María Reyes; Salmerón Revuelta, Patricio (Institute of Electrical and Electronics Engineers, 2009)
The instantaneous reactive power theory was published 25 years ago, in an IEEE Transactions. Since then, it has been the most used in nonlinear load compensation with active power filters. Its application allows constant ... -
Control strategy for hybrid power filter to compensate unbalanced and non-linear, three-phase loads
Pérez Litrán, Salvador; Salmerón Revuelta, Patricio; Rodríguez Vázquez, Jesús; Sánchez Herrera, María Reyes; Pérez Vallés, Alejandro (2009)
A control algorithm is proposed for a three-phase hybrid power filter constituted by a series active filter and a shunt passive filter. The control strategy is based on the dual formulation of the vectorial theory of ... -
A Complete Solution for Developing Remote Labs
Mejías Borrero, Andrés Manuel; Márquez Sánchez, Marco Antonio; Andújar Márquez, José Manuel; Sánchez Herrera, María Reyes (Elsevier, 2013)
The use of remote laboratories for education is increasing because it is a method that allows a better use of resources (laboratories operate 24 hours a day) and students interact with real equipment from different ... -
The Remote Access to Laboratories: a Fully Open Integrated System
Sánchez Herrera, María Reyes; Mejías Borrero, Andrés Manuel; Márquez Sánchez, Marco Antonio; Andújar Márquez, José Manuel (Elsevier, 2019)
An existing lab experience can be made remotely accessible in a relatively easy way. The problem is with the design of a tool which allows any kind of experience to be made remotely accessible. The complexity of this tool ... -
Turbulence influence on offshore wind turbines implementation
Bahamonde García, Manuel Ignacio; Pérez Litrán, Salvador; Sánchez Herrera, María Reyes; Macías Macías, José; Eugenio Barroso, Juan Manuel (IPMA, 2018)
Turbulence of the atmospheric flow in the boundary layer depends on different factors, such as: the roughness of the ground, the orography, the sea surface state and atmospheric stability conditions. In open sea conditions, ... -
Comparing Remote Laboratories from the Student Perspective
Tirado Morueta, Ramón; Sánchez Herrera, María Reyes; Márquez Sánchez, Marco Antonio; Mejías Borrero, Andrés Manuel; Andújar Márquez, José Manuel (Elsevier, 2015)
The objective of this paper is the identification of the variables which affect the acceptation by the students of two kinds of remote laboratories (photovoltaic panels and electric machines) in Higher Education. To achieve ... -
Controlled and Secure Access to Promote the Industrial Internet of Things
Márquez Sánchez, Marco Antonio; Sánchez Herrera, María Reyes; Mejías Borrero, Andrés Manuel; Esquembre, Francisco; Andújar Márquez, José Manuel (Institute of Electrical and Electronics Engineers, 2018)
Internet of Things (IoT) aims at facilitating access to all devices that are connected to the internet, both wired and wireless. This scenario can initially seem interesting. Nevertheless, it has a lack of privacy and ... -
Wireless Sliding MPPT Control of Photovoltaic Systems in Distributed Generation Systems
Delgado Martín, Aránzazu; Cano, Juan M.; Sánchez Herrera, María Reyes; Rodríguez Vázquez, Jesús (MDPI, 2019-09)
The aim of a photovoltaic (PV) system’s control is the extraction of the maximum power even if the irradiance, the temperature, or the parameters vary. To do that, a maximum power point tracking (MPPT) algorithm is ... -
Interest and Applicability of Meta-Heuristic Algorithms in the Electrical Parameter Identification of Multiphase Machines
(MDPI, 2019-01)Multiphase machines are complex multi-variable electro-mechanical systems that are receiving special attention from industry due to their better fault tolerance and power-per-phase splitting characteristics compared with ... -
Probabilistic Load-Flow Analysis of Biomass-Fuelled Gas Engines with Electrical Vehicles in Distribution Systems
(MDPI, 2017-10)Feeding biomass-fueled gas engines (BFGEs) with olive tree pruning residues offers new opportunities to decrease fossil fuel use in road vehicles and electricity generation. BFGEs, coupled to radial distribution systems ... -
Diseño y construcción de un sistema digital avanzado de comunicaciones en HF
Andújar Márquez, José Manuel; Pijoan i Vidal, J. Lluis (Universidad Complutense de Madrid, 2000)
Las investigaciones en el campo de la HF (3-30 MHz) fueron prácticamente inexistentes durante las décadas de los 60 y 70. En estos años, la comunidad científica apostó por los sistemas basados en los satélites debido a que ... -
Integration of Sensors, Controllers and Instruments Using a Novel OPC Architecture
González, Isaías; Calderón, Antonio José; Barragán Piña, Antonio Javier; Andújar Márquez, José Manuel (MDPI, 2017-06-27)
The interconnection between sensors, controllers and instruments through a communication network plays a vital role in the performance and effectiveness of a control system. Since its inception in the 90s, the Object Linking ... -
Hardware/Software Data Acquisition System for Real Time Cell Temperature Monitoring in Air-Cooled Polymer Electrolyte Fuel Cells
This work presents a hardware/software data acquisition system developed for monitoring the temperature in real time of the cells in Air-Cooled Polymer Electrolyte Fuel Cells (AC-PEFC). These fuel cells are of great interest ...
