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V. Pallarés-López
Departamento de Ingeniería Electrónica y de Computadores, Universidad de Córdoba, Campus de Rabanales, Edificio Leonardo Da Vinci, E-14071 Córdoba, Spain

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Journal article
Published: 31 July 2018 in Electric Power Systems Research
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There is an outstanding concern from the international standard-setting community about harmonics distortion in the frequency range 2–150 kHz, referred to as supraharmonics. Power electronics has established as a ubiquitous technology, which plays a linchpin role in almost any electrical systems. The classical deterministic pulse-width modulation strategy, entailing at reducing low-frequency harmonics emission (<2 kHz) in power converters, in a sense, bring them to move at the switching frequency and its multiple, in the kilohertz range. The amplitude of spectral components is the main concern when studying electromagnetic interference from active power factor correction stages, included in state-of-the-art LED drivers. Supraharmonics are nowadays the origin of numerous problems in electrical networks. The standardization bodies are presently updating the compatibility limits in the frequency range from 2 to 150 kHz. Supraharmonics behave differently from (lower frequency) harmonics, as reported in the literature. Fortunately, as will be demonstrated in this paper, it is possible to undertake this issue, from the very beginning, by leveraging technologies like random pulse-width modulation. An experimental system based on digitally controlled LED driver has been set up to evaluate the different methods. The algorithms have been implemented on a compactRIO controller incorporating an FPGA and a real-time processor.

ACS Style

Joaquín Garrido-Zafra; Antonio Moreno-Munoz; Aurora Gil-De-Castro; Victor Pallares-Lopez; Tomás Morales-Leal. Supraharmonics emission from LED lamps: A reduction proposal based on random pulse-width modulation. Electric Power Systems Research 2018, 164, 11 -19.

AMA Style

Joaquín Garrido-Zafra, Antonio Moreno-Munoz, Aurora Gil-De-Castro, Victor Pallares-Lopez, Tomás Morales-Leal. Supraharmonics emission from LED lamps: A reduction proposal based on random pulse-width modulation. Electric Power Systems Research. 2018; 164 ():11-19.

Chicago/Turabian Style

Joaquín Garrido-Zafra; Antonio Moreno-Munoz; Aurora Gil-De-Castro; Victor Pallares-Lopez; Tomás Morales-Leal. 2018. "Supraharmonics emission from LED lamps: A reduction proposal based on random pulse-width modulation." Electric Power Systems Research 164, no. : 11-19.

Conference paper
Published: 01 June 2018 in 2018 XIII Technologies Applied to Electronics Teaching Conference (TAEE)
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This paper describes a laboratory setup that allows students to gain knowledge in Electrical Engineering and Electronics. In this paper, the developed lab for power quality (PQ) monitoring is described. The set is implemented using the National Instrument (NI) Educational Laboratory Virtual Instrumentation Suite (ELVIS) and custom-made load boards. The software is based on the NI LabVIEW development environment. The set has been developed and employed for teaching electronic and instrumentation courses within the Master's degree in Distributed Renewable Energies from the University of Cordoba. The paper shows different practical lessons that are designed to perform typical PQ measurements such as power, frequency, RMS or THD.

ACS Style

Aurora Del Rocío Gil De Castro; Isabel M. Moreno-Garcia; Victor Pallares-Lopez; David Matabuena; Ricardo Medina-Gracia; Antonio Moreno-Munoz. Implementation of an Educational Platform on Power Quality. 2018 XIII Technologies Applied to Electronics Teaching Conference (TAEE) 2018, 1 -6.

AMA Style

Aurora Del Rocío Gil De Castro, Isabel M. Moreno-Garcia, Victor Pallares-Lopez, David Matabuena, Ricardo Medina-Gracia, Antonio Moreno-Munoz. Implementation of an Educational Platform on Power Quality. 2018 XIII Technologies Applied to Electronics Teaching Conference (TAEE). 2018; ():1-6.

Chicago/Turabian Style

Aurora Del Rocío Gil De Castro; Isabel M. Moreno-Garcia; Victor Pallares-Lopez; David Matabuena; Ricardo Medina-Gracia; Antonio Moreno-Munoz. 2018. "Implementation of an Educational Platform on Power Quality." 2018 XIII Technologies Applied to Electronics Teaching Conference (TAEE) , no. : 1-6.

Conference paper
Published: 01 April 2018 in 2018 IEEE Global Engineering Education Conference (EDUCON)
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Power quality (PQ) has been increasing interest in recent years due to the high integration of sources of distributed generation (DG) in the electricity market. This interest has led a considerable amount of research into early detection of faults and their in processes in operation. This paper presents the design and implementation of an educational platform based on embedded electronic systems to operate in real time in DG framework. We contend that the causal relationship between building model solutions and developing products from these solutions provides a sound basis for industrial strength software engineering. The proposed test bench enables both undergraduate and graduate electrical and electronics engineering students to analyze the modelling techniques developed for event analysis. The architecture has been specially configured to assess the efficiency of algorithms when they are executed in real time. A case study, as well as the experimental results, are presented, which show and address the performance of the educational platform.

ACS Style

Isabel M. Moreno-Garcia; Aurora Gil-De-Castro; Antonio Moreno-Muñoz; Victor Pallares-Lopez; Ricardo Medina-Gracia; David Matabuena. Educational platform for reliability assessment of power quality. 2018 IEEE Global Engineering Education Conference (EDUCON) 2018, 1612 -1618.

AMA Style

Isabel M. Moreno-Garcia, Aurora Gil-De-Castro, Antonio Moreno-Muñoz, Victor Pallares-Lopez, Ricardo Medina-Gracia, David Matabuena. Educational platform for reliability assessment of power quality. 2018 IEEE Global Engineering Education Conference (EDUCON). 2018; ():1612-1618.

Chicago/Turabian Style

Isabel M. Moreno-Garcia; Aurora Gil-De-Castro; Antonio Moreno-Muñoz; Victor Pallares-Lopez; Ricardo Medina-Gracia; David Matabuena. 2018. "Educational platform for reliability assessment of power quality." 2018 IEEE Global Engineering Education Conference (EDUCON) , no. : 1612-1618.

Review
Published: 30 March 2018 in Renewable and Sustainable Energy Reviews
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To determine temperature losses in a photovoltaic (PV) installation, the operating temperature of the cells in the PV panels must be known. This temperature cannot be directly measured because the cells are not accessible from the outside, as they are inside the panels, with other layers of material surrounding them. Therefore, the parameter to which direct access exists by means of measuring is the temperature of the outer surfaces of the modules. However, the cell junction temperatures are typically 1–3 °C higher than the temperature measured on the module's rear surface, depending on the module construction. Some methods exist for determining the cell temperature, including measuring the open-circuit voltage of the panels, but because this is difficult to do with an on-site PV installation, normally this temperature is determined by using models. Numerous models appear in the literature for determining the cell temperature, so in this paper, a recompilation of twenty models is taken into account for determining the temperature and miscellaneous losses of a PV installation located in South Spain in a year’s time. These models have different relations between the value of the cell temperature and some environmental parameters, considering or not the value of the wind speed and the form in which the panels are installed. A maximum difference in annual temperature losses found using the twenty models was 90.4 h/year. This non-negligible quantity indicates the importance of an appropriate choice of model and the correct conditions for applying it to make a precise estimation of the capture temperature losses. Moreover, it would be interesting to reach an agreement on the best procedure for determining this type of losses, especially for correctly performing comparisons of these losses in different PV plants in operation, which can reach very significant values in locations with high temperature registers.

ACS Style

I. Santiago; D. Trillo-Montero; I.M. Moreno-Garcia; V. Pallarés-López; J.J. Luna-Rodríguez. Modeling of photovoltaic cell temperature losses: A review and a practice case in South Spain. Renewable and Sustainable Energy Reviews 2018, 90, 70 -89.

AMA Style

I. Santiago, D. Trillo-Montero, I.M. Moreno-Garcia, V. Pallarés-López, J.J. Luna-Rodríguez. Modeling of photovoltaic cell temperature losses: A review and a practice case in South Spain. Renewable and Sustainable Energy Reviews. 2018; 90 ():70-89.

Chicago/Turabian Style

I. Santiago; D. Trillo-Montero; I.M. Moreno-Garcia; V. Pallarés-López; J.J. Luna-Rodríguez. 2018. "Modeling of photovoltaic cell temperature losses: A review and a practice case in South Spain." Renewable and Sustainable Energy Reviews 90, no. : 70-89.

Conference paper
Published: 01 September 2017 in 2017 IEEE 7th International Conference on Consumer Electronics - Berlin (ICCE-Berlin)
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Wireless sensors networks have an enormous potential for measuring environmental parameters such as those found in building or residential scenarios. The range of available sensors is not only limited temperature, gas, humidity or presence detection, but even power grid analyser can be integrated. This work aims to develop a Home energy management system for a residential scenario or nanogrid. Inside this nanogrid and using short term power availability together with demand response techniques, the system will be able to control and schedule the main domestic loads such as heating, air conditioning and ventilation systems, white goods or lighting among others. The control system is designed following the latest machine-to-machine (M2M) communication trends and standards defined by the oneM2M consortium. Thus, a first approach to the Message Queue Telemetry Transport (MQTT) protocol is presented as a means of developing a smart home appliances control using devices with limited resources.

ACS Style

F. J. Bellido-Outeirino; J. M. Flores-Arias; Emilio Jose Palacios-Garcia; Victor Pallares-Lopez; D. Matabuena-Gomez-Limon. M2M home data interoperable management system based on MQTT. 2017 IEEE 7th International Conference on Consumer Electronics - Berlin (ICCE-Berlin) 2017, 200 -202.

AMA Style

F. J. Bellido-Outeirino, J. M. Flores-Arias, Emilio Jose Palacios-Garcia, Victor Pallares-Lopez, D. Matabuena-Gomez-Limon. M2M home data interoperable management system based on MQTT. 2017 IEEE 7th International Conference on Consumer Electronics - Berlin (ICCE-Berlin). 2017; ():200-202.

Chicago/Turabian Style

F. J. Bellido-Outeirino; J. M. Flores-Arias; Emilio Jose Palacios-Garcia; Victor Pallares-Lopez; D. Matabuena-Gomez-Limon. 2017. "M2M home data interoperable management system based on MQTT." 2017 IEEE 7th International Conference on Consumer Electronics - Berlin (ICCE-Berlin) , no. : 200-202.

Journal article
Published: 01 September 2017 in Journal of Cleaner Production
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ACS Style

Isabel Moreno-Garcia; Antonio Moreno-Munoz; Victor Pallares-Lopez; M.J. Gonzalez-Redondo; Emilio Jose Palacios-Garcia; Carlos Diego Moreno Moreno. Development and application of a smart grid test bench. Journal of Cleaner Production 2017, 162, 45 -60.

AMA Style

Isabel Moreno-Garcia, Antonio Moreno-Munoz, Victor Pallares-Lopez, M.J. Gonzalez-Redondo, Emilio Jose Palacios-Garcia, Carlos Diego Moreno Moreno. Development and application of a smart grid test bench. Journal of Cleaner Production. 2017; 162 ():45-60.

Chicago/Turabian Style

Isabel Moreno-Garcia; Antonio Moreno-Munoz; Victor Pallares-Lopez; M.J. Gonzalez-Redondo; Emilio Jose Palacios-Garcia; Carlos Diego Moreno Moreno. 2017. "Development and application of a smart grid test bench." Journal of Cleaner Production 162, no. : 45-60.

Book chapter
Published: 01 March 2017 in Large Scale Grid Integration of Renewable Energy Sources
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This chapter has justified the choice of the PTP standard for coordinating all of the equipment located in an installation as the most appropriate way of extending it to other installations in a wide geographical area. It is possible to reduce the amount of equipment equipped with GPS, but guaranteeing the synchronism with a quality equivalent to 1 ms. An intelligent network must evolve dynamically according to demand. In this context, it is essential to maintain a control of the stability of the network in a greater number of control points. The current technology has lowered the costs of high-performance electronic systems. As discussed in this chapter, PMUs or synchrophasors are an essential piece, and their integration into the IEC 61850 standard allows a local and centralised management system to be defined that cooperates with other systems located in the network, such as SPQAs and intelligent inverters.

ACS Style

Isabel M. Moreno-Garcia Moreno-Garcia; Rafael Real-Calvo Real-Calvo; Victor Pallares-Lopez Pallares-Lopez; Miguel J. Gonzalez-Redondo Gonzalez-Redondo; Isabel Santiago Santiago. Towards the extensive use of renewable energy resources: needs, conditions and enabling technologies. Large Scale Grid Integration of Renewable Energy Sources 2017, 171 -210.

AMA Style

Isabel M. Moreno-Garcia Moreno-Garcia, Rafael Real-Calvo Real-Calvo, Victor Pallares-Lopez Pallares-Lopez, Miguel J. Gonzalez-Redondo Gonzalez-Redondo, Isabel Santiago Santiago. Towards the extensive use of renewable energy resources: needs, conditions and enabling technologies. Large Scale Grid Integration of Renewable Energy Sources. 2017; ():171-210.

Chicago/Turabian Style

Isabel M. Moreno-Garcia Moreno-Garcia; Rafael Real-Calvo Real-Calvo; Victor Pallares-Lopez Pallares-Lopez; Miguel J. Gonzalez-Redondo Gonzalez-Redondo; Isabel Santiago Santiago. 2017. "Towards the extensive use of renewable energy resources: needs, conditions and enabling technologies." Large Scale Grid Integration of Renewable Energy Sources , no. : 171-210.

Journal article
Published: 01 January 2017 in Revista Iberoamericana de Automática e Informática industrial
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Resumen: Las transformaciones que están teniendo lugar en el sector eléctrico están haciendo evolucionar la red hacia un modelo más inteligente y eficiente conocido como Smart Grid. En este contexto, a los DERs que se integren en la red se les requerirá un control avanzado de la interfaz de conexión. Este trabajo presenta un original dispositivo electrónico inteligente (IED) de altas prestaciones para el control de la interconexión eléctrica con numerosas y nuevas prestaciones. El dispositivo tiene sobrada capacidad para contemplar tanto la calidad de suministro como operar multifuncionalmente a nivel de protección y seguridad; y su arquitectura modular en un Sistema Embebido permite una fácil integración, tanto en el desarrollo de equipos de nueva generación, como en equipamiento convencional ya instalado para adaptarlo al nuevo contexto de gestión inteligente. Se ha desarrollado un IED que ha sido sometido a pruebas de clase A siguiendo la normativa IEC 61000-4-30 e IEC 62586-2, y se le han efectuado ensayos para validar la respuesta temporal en la generación de órdenes y señales de alarma para protecciones. Se muestran y analizan algunos de estos resultados experimentales, y se comenta la experiencia de integración real de este prototipo en un inversor inteligente experimental, diseñado expresamente para operar en un escenario Smart Grid. The changes that are taking place in the electricity sector are causing an evolution of grid towards a more intelligent and efficient model known as Smart Grid. In this context equipment that connect to electric system require an intelligent control of the connection interface. This paper presents the design and development of an intelligent electronic device (IED) with high performance for controlling the electrical interconnection. The device has multifunctional ability to analyze power quality and operate with protections, and its modular architecture allows easy integration in both the development of next generation equipment, as in conventional equipment already installed to adapt to the new context of intelligent management. It has developed a prototype that has been tested with A class tests following the standards IEC 61000-4-30 and IEC 62586-2, and we have performed tests to validate the time response in generating orders and alarm signals for protections. Are shown and discussed some of these experimental results and the experience of integration of this prototype in an experimental smart inverter that is designed to operate in a Smart Grid scenario. Palabras clave: Redes inteligentes (smart grids), sistemas eléctricos y electrónicos de potencia, inversores, sistemas embebidos o empotrados, sistemas de tiempo real, monitorización y supervisión, energías renovables, Keywords: Smart grid, intelligent electronic device, distributed energy resource, embedded system, real time, monitoring and supervision, renewable energ

ACS Style

Rafael Jesús Real Calvo; Antonio Moreno-Munoz; Victor Pallares-Lopez; Miguel J. Gonzalez-Redondo; Isabel M. Moreno-Garcia; Emilio Jose Palacios-Garcia. Sistema Electrónico Inteligente para el Control de la Interconexión entre Equipamiento de Generación Distribuida y la Red Eléctrica. Revista Iberoamericana de Automática e Informática industrial 2017, 14, 56 -69.

AMA Style

Rafael Jesús Real Calvo, Antonio Moreno-Munoz, Victor Pallares-Lopez, Miguel J. Gonzalez-Redondo, Isabel M. Moreno-Garcia, Emilio Jose Palacios-Garcia. Sistema Electrónico Inteligente para el Control de la Interconexión entre Equipamiento de Generación Distribuida y la Red Eléctrica. Revista Iberoamericana de Automática e Informática industrial. 2017; 14 (1):56-69.

Chicago/Turabian Style

Rafael Jesús Real Calvo; Antonio Moreno-Munoz; Victor Pallares-Lopez; Miguel J. Gonzalez-Redondo; Isabel M. Moreno-Garcia; Emilio Jose Palacios-Garcia. 2017. "Sistema Electrónico Inteligente para el Control de la Interconexión entre Equipamiento de Generación Distribuida y la Red Eléctrica." Revista Iberoamericana de Automática e Informática industrial 14, no. 1: 56-69.

Conference paper
Published: 01 September 2016 in 2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC)
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This paper presents a novel system which has been developed to supervise in real time the operation of a Grid-Connected Utility-Scale PV Power Plant in order to ensure a reliable and uninterruptible power supply. The system is composed of a complex acquisition architecture which measures the required information with a high temporal resolution and using a high-precision protocol for synchronizing all the devices, something strictly necessary for accurately establishing a relationship among all events taking place in the plant. Moreover, an advanced system for monitoring and supervising all the distributed devices, as well as for the real-time treatment of all the registered information is presented. This system does not only enable a better control over the performance of all the PV plant's components by detecting any failures or deviations in production, but it also monitors the power quality of the injected signal and its influence on the distribution grid.

ACS Style

Isabel M. Moreno-Garcia; Emilio Jose Palacios-Garcia; Isabel Santiago; Victor Pallares-Lopez; Antonio Moreno-Munoz. Performance monitoring of a solar photovoltaic power plant using an advanced real-time system. 2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC) 2016, 1 -6.

AMA Style

Isabel M. Moreno-Garcia, Emilio Jose Palacios-Garcia, Isabel Santiago, Victor Pallares-Lopez, Antonio Moreno-Munoz. Performance monitoring of a solar photovoltaic power plant using an advanced real-time system. 2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC). 2016; ():1-6.

Chicago/Turabian Style

Isabel M. Moreno-Garcia; Emilio Jose Palacios-Garcia; Isabel Santiago; Victor Pallares-Lopez; Antonio Moreno-Munoz. 2016. "Performance monitoring of a solar photovoltaic power plant using an advanced real-time system." 2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC) , no. : 1-6.

Journal article
Published: 26 May 2016 in Sensors
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There is, at present, considerable interest in the storage and dispatchability of photovoltaic (PV) energy, together with the need to manage power flows in real-time. This paper presents a new system, PV-on time, which has been developed to supervise the operating mode of a Grid-Connected Utility-Scale PV Power Plant in order to ensure the reliability and continuity of its supply. This system presents an architecture of acquisition devices, including wireless sensors distributed around the plant, which measure the required information. It is also equipped with a high-precision protocol for synchronizing all data acquisition equipment, something that is necessary for correctly establishing relationships among events in the plant. Moreover, a system for monitoring and supervising all of the distributed devices, as well as for the real-time treatment of all the registered information, is presented. Performances were analyzed in a 400 kW transformation center belonging to a 6.1 MW Utility-Scale PV Power Plant. In addition to monitoring the performance of all of the PV plant’s components and detecting any failures or deviations in production, this system enables users to control the power quality of the signal injected and the influence of the installation on the distribution grid.

ACS Style

Isabel M. Moreno-Garcia; Emilio J. Palacios-Garcia; Victor Pallares-Lopez; Isabel Santiago; Miguel Jesús González Redondo; Marta Varo-Martinez; Rafael Jesús Real Calvo. Real-Time Monitoring System for a Utility-Scale Photovoltaic Power Plant. Sensors 2016, 16, 770 .

AMA Style

Isabel M. Moreno-Garcia, Emilio J. Palacios-Garcia, Victor Pallares-Lopez, Isabel Santiago, Miguel Jesús González Redondo, Marta Varo-Martinez, Rafael Jesús Real Calvo. Real-Time Monitoring System for a Utility-Scale Photovoltaic Power Plant. Sensors. 2016; 16 (6):770.

Chicago/Turabian Style

Isabel M. Moreno-Garcia; Emilio J. Palacios-Garcia; Victor Pallares-Lopez; Isabel Santiago; Miguel Jesús González Redondo; Marta Varo-Martinez; Rafael Jesús Real Calvo. 2016. "Real-Time Monitoring System for a Utility-Scale Photovoltaic Power Plant." Sensors 16, no. 6: 770.

Journal article
Published: 01 April 2016 in Electric Power Systems Research
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Smart grids play an important role in the development and modernization of the electric power system. Smart grids deal with the integration of information technology and the electric grid. In this context, a communication system is needed to achieve the main goals of smart grids. Interoperability between the systems has become an important issue. To achieve this, the IEC 61850 standard models the electric power system by means of a hierarchical data model based on semantics definitions. Existing and future applications for the electric power system heavily depend on the performance of the communication system. Several factors can affect the performance of the IEC 61850 communications. Previous studies have already analyzed the influence of network related aspects. In this research, some factors related to data and data modeling of IEC 61850 have been identified that influence the performance of the IEC 61850 devices, through the processing time. The study presented in this paper analyzes them and proposes practical recommendations to optimize the performance of the system. The results obtained reveal the importance of a proper use of data sets because their influence over the communications performance.

ACS Style

Miguel J. Gonzalez-Redondo; Antonio Moreno-Muñoz; Víctor Pallarés-López; Rafael J. Real-Calvo. Influence of data-related factors on the use of IEC 61850 for power utility automation. Electric Power Systems Research 2016, 133, 269 -280.

AMA Style

Miguel J. Gonzalez-Redondo, Antonio Moreno-Muñoz, Víctor Pallarés-López, Rafael J. Real-Calvo. Influence of data-related factors on the use of IEC 61850 for power utility automation. Electric Power Systems Research. 2016; 133 ():269-280.

Chicago/Turabian Style

Miguel J. Gonzalez-Redondo; Antonio Moreno-Muñoz; Víctor Pallarés-López; Rafael J. Real-Calvo. 2016. "Influence of data-related factors on the use of IEC 61850 for power utility automation." Electric Power Systems Research 133, no. : 269-280.

Journal article
Published: 18 March 2016 in Energies
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The electricity sector is undergoing an evolution that demands the development of a network model with a high level of intelligence, known as a Smart Grid. One of the factors accelerating these changes is the development and implementation of renewable energy. In particular, increased photovoltaic generation can affect the network’s stability. One line of action is to provide inverters with a management capacity that enables them to act upon the grid in order to compensate for these problems. This paper describes the design and development of a prototype embedded system able to integrate with a photovoltaic inverter and provide it with multifunctional ability in order to analyze power quality and operate with protection. The most important subsystems of this prototype are described, indicating their operating fundamentals. This prototype has been tested with class A protocols according to IEC 61000-4-30 and IEC 62586-2. Tests have also been carried out to validate the response time in generating orders and alarm signals for protections. The highlights of these experimental results are discussed. Some descriptive aspects of the integration of the prototype in an experimental smart inverter are also commented upon.

ACS Style

Rafael Real-Calvo; Antonio Moreno-Muñoz; Juan J. Gonzalez-De-La-Rosa; Victor Pallares-Lopez; Miguel J. Gonzalez-Redondo; Isabel M. Moreno-Garcia. An Embedded System in Smart Inverters for Power Quality and Safety Functionality. Energies 2016, 9, 219 .

AMA Style

Rafael Real-Calvo, Antonio Moreno-Muñoz, Juan J. Gonzalez-De-La-Rosa, Victor Pallares-Lopez, Miguel J. Gonzalez-Redondo, Isabel M. Moreno-Garcia. An Embedded System in Smart Inverters for Power Quality and Safety Functionality. Energies. 2016; 9 (3):219.

Chicago/Turabian Style

Rafael Real-Calvo; Antonio Moreno-Muñoz; Juan J. Gonzalez-De-La-Rosa; Victor Pallares-Lopez; Miguel J. Gonzalez-Redondo; Isabel M. Moreno-Garcia. 2016. "An Embedded System in Smart Inverters for Power Quality and Safety Functionality." Energies 9, no. 3: 219.

Conference paper
Published: 01 March 2015 in 2015 IEEE International Conference on Industrial Technology (ICIT)
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The non-dispatchable, intermittent and unpredictable nature of photovoltaic energy has made its integration in power system very limited. This paper presents a system for monitoring, supervising and treatment of the information in real time applied to photovoltaic plants connected to the grid. Experimental results shows the usefulness of the system implemented for monitoring a grid-connected photovoltaic park production in real time, ensuring the synchronization of the magnitudes with high precision. This study demonstrates how the operation and maintenance of a photovoltaic plant and in general any renewable facility connected to the grid may be considerably improved by the use the proposed real time approach. With this functionality, the photovoltaic parks will become active parts of the grid, contributing to the massive integration of distributed generation in the smart grid.

ACS Style

I. M. Moreno-Garcia; Victor Pallares-Lopez; M. Gonzalez-Redondo; J. López-López; M. Varo-Martinez; I. Santiago; Isabel Moreno-Garcia. Implementation of a real time monitoring system for a grid-connected PV park. 2015 IEEE International Conference on Industrial Technology (ICIT) 2015, 2915 -2920.

AMA Style

I. M. Moreno-Garcia, Victor Pallares-Lopez, M. Gonzalez-Redondo, J. López-López, M. Varo-Martinez, I. Santiago, Isabel Moreno-Garcia. Implementation of a real time monitoring system for a grid-connected PV park. 2015 IEEE International Conference on Industrial Technology (ICIT). 2015; ():2915-2920.

Chicago/Turabian Style

I. M. Moreno-Garcia; Victor Pallares-Lopez; M. Gonzalez-Redondo; J. López-López; M. Varo-Martinez; I. Santiago; Isabel Moreno-Garcia. 2015. "Implementation of a real time monitoring system for a grid-connected PV park." 2015 IEEE International Conference on Industrial Technology (ICIT) , no. : 2915-2920.

Conference paper
Published: 01 September 2014 in 2014 IEEE Fourth International Conference on Consumer Electronics Berlin (ICCE-Berlin)
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Today the Smart Grid concept along with the development of Distributed Generation (DG) causes the need to get devices that can manage different power flows in the power system. In this paper an Intelligent Electronic Device (IED) is presented. This device operates in real time (RT) and is ready to manage DG. It allows monitoring status of the interface between distributed generation and utility network, and manages communications between all involved entities.

ACS Style

R. J. Real-Calvo; Antonio Moreno-Munoz; Victor Pallares-Lopez; M.J. Gonzalez-Redondo; J.M. Flores-Arias. Intelligent electronic device for the control of distributed generation. 2014 IEEE Fourth International Conference on Consumer Electronics Berlin (ICCE-Berlin) 2014, 268 -269.

AMA Style

R. J. Real-Calvo, Antonio Moreno-Munoz, Victor Pallares-Lopez, M.J. Gonzalez-Redondo, J.M. Flores-Arias. Intelligent electronic device for the control of distributed generation. 2014 IEEE Fourth International Conference on Consumer Electronics Berlin (ICCE-Berlin). 2014; ():268-269.

Chicago/Turabian Style

R. J. Real-Calvo; Antonio Moreno-Munoz; Victor Pallares-Lopez; M.J. Gonzalez-Redondo; J.M. Flores-Arias. 2014. "Intelligent electronic device for the control of distributed generation." 2014 IEEE Fourth International Conference on Consumer Electronics Berlin (ICCE-Berlin) , no. : 268-269.

Conference paper
Published: 01 May 2013 in 2013 IEEE International Symposium on Industrial Electronics
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IEC 61850 is one of the crucial standards within the Smart Grid concept. For performance evaluation of communications between Intelligent Electronic Devices (IED) in Power Utility Automation, the standard defines the Transfer Time. Measurement of such parameter is not available for end user, but in development stage it is possible. Third party products can be used to reduce development time of IEC 61850 compliant devices. An initial performance evaluation of these products can be achieved through the measurement of the Transfer Time.

ACS Style

Miguel J. Gonzalez-Redondo; Antonio Moreno-Muñoz; Víctor Pallarés-López; Rafael J. Real-Calvo; Manuel A. Ortiz Lopez; Isabel M. Moreno-Garcia. IEC 61850 GOOSE transfer time measurement in development stage. 2013 IEEE International Symposium on Industrial Electronics 2013, 1 -6.

AMA Style

Miguel J. Gonzalez-Redondo, Antonio Moreno-Muñoz, Víctor Pallarés-López, Rafael J. Real-Calvo, Manuel A. Ortiz Lopez, Isabel M. Moreno-Garcia. IEC 61850 GOOSE transfer time measurement in development stage. 2013 IEEE International Symposium on Industrial Electronics. 2013; ():1-6.

Chicago/Turabian Style

Miguel J. Gonzalez-Redondo; Antonio Moreno-Muñoz; Víctor Pallarés-López; Rafael J. Real-Calvo; Manuel A. Ortiz Lopez; Isabel M. Moreno-Garcia. 2013. "IEC 61850 GOOSE transfer time measurement in development stage." 2013 IEEE International Symposium on Industrial Electronics , no. : 1-6.

Journal article
Published: 12 March 2013 in Elektronika ir Elektrotechnika
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This paper focuses on the integration of the inverter into the Smart Grid environment. This work consists of developing an Intelligent Electronic Device (IED) which can perform measurement and protection functions. This IED becomes part of the inverter electronic equipment as an embedded system. The following work presents the proposed IED architecture for multifunctional processing, synchronization and communication in order to fulfill the requirements of Distributed Generation grid connection. The main parameters measured by the IED are RMS values of voltage and current in the aggregation intervals that indicates the power quality standard and the detection and evaluation of voltage disturbances with higher-order statistics. Different types of disturbances are tested and results obtained are successful.DOI: http://dx.doi.org/10.5755/j01.eee.19.3.1378

ACS Style

Isabel-Maria Moreno-Garcia; Antonio Moreno-Muñoz; Francisco Domingo-Perez; Víctor Pallarés-López; Rafael-Jesus Real-Calvo; Isabel Santiago Chiquero. Implementation of a Smart Grid Inverter through Embedded Systems. Elektronika ir Elektrotechnika 2013, 19, 3-6 .

AMA Style

Isabel-Maria Moreno-Garcia, Antonio Moreno-Muñoz, Francisco Domingo-Perez, Víctor Pallarés-López, Rafael-Jesus Real-Calvo, Isabel Santiago Chiquero. Implementation of a Smart Grid Inverter through Embedded Systems. Elektronika ir Elektrotechnika. 2013; 19 (3):3-6.

Chicago/Turabian Style

Isabel-Maria Moreno-Garcia; Antonio Moreno-Muñoz; Francisco Domingo-Perez; Víctor Pallarés-López; Rafael-Jesus Real-Calvo; Isabel Santiago Chiquero. 2013. "Implementation of a Smart Grid Inverter through Embedded Systems." Elektronika ir Elektrotechnika 19, no. 3: 3-6.

Conference paper
Published: 01 October 2012 in IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society
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This paper describes an Embedded System (ES) for an inverter. In recent years, there is a worldwide interest in Distributed Generation (DG). This is due to the need to integrate renewable energy sources into the Distribution System. This paper proposes the development of a platform to the safe and intelligent management of the DG in the grid. The proposed system requires a platform to integrate, among others, innovative technologies of processing multifunctional, synchronization and communication, in a way that to perform the requirements of DG grid connection. The work here deals with the detection of power quality events, in particular sags, swells, transients and faults. Different statistical estimators have been used (skewness and kurtosis) to enhance characterization of these anomalies. Additionally, a real-time CUSUM algorithm for early detection of these events, have been implemented.

ACS Style

I. M. Moreno-Garcia; Antonio Moreno-Munoz; F. Domingo-Perez; Victor Pallares-Lopez; R. J. Real-Calvo; J. J. Gonzalez-De-La-Rosa. Intelligent electronic device for Smart Grid: Statistical approach applied to event detection. IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society 2012, 5221 -5226.

AMA Style

I. M. Moreno-Garcia, Antonio Moreno-Munoz, F. Domingo-Perez, Victor Pallares-Lopez, R. J. Real-Calvo, J. J. Gonzalez-De-La-Rosa. Intelligent electronic device for Smart Grid: Statistical approach applied to event detection. IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society. 2012; ():5221-5226.

Chicago/Turabian Style

I. M. Moreno-Garcia; Antonio Moreno-Munoz; F. Domingo-Perez; Victor Pallares-Lopez; R. J. Real-Calvo; J. J. Gonzalez-De-La-Rosa. 2012. "Intelligent electronic device for Smart Grid: Statistical approach applied to event detection." IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society , no. : 5221-5226.

Conference paper
Published: 01 September 2012 in 2012 IEEE Second International Conference on Consumer Electronics - Berlin (ICCE-Berlin)
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The context of energy diversification of the electricity market has triggered that many users have decided to invest in their own micro-grid to meet their needs. Moreover, at present the concept of Smart Grid is driving that all entities involved in the electricity market tend to form an open network where everyone can interact with each other, including those who use renewable energy. This document explains how must be an Intelligent Electronic Device (IED) that allows the user to control their micro-grid, describing what must be the functionality and architecture of this system. Finally, we present an IED prototype based on combining a processor and a FPGA to control a micro-grid.

ACS Style

R. J. Real-Calvo; Antonio Moreno-Munoz; Victor Pallares-Lopez; M.J. Gonzalez-Redondo; I.M. Moreno-Garcia; Isabel Moreno-Garcia. Design of an Intelligent Electronic Device to control a private microgrid. 2012 IEEE Second International Conference on Consumer Electronics - Berlin (ICCE-Berlin) 2012, 99 -101.

AMA Style

R. J. Real-Calvo, Antonio Moreno-Munoz, Victor Pallares-Lopez, M.J. Gonzalez-Redondo, I.M. Moreno-Garcia, Isabel Moreno-Garcia. Design of an Intelligent Electronic Device to control a private microgrid. 2012 IEEE Second International Conference on Consumer Electronics - Berlin (ICCE-Berlin). 2012; ():99-101.

Chicago/Turabian Style

R. J. Real-Calvo; Antonio Moreno-Munoz; Victor Pallares-Lopez; M.J. Gonzalez-Redondo; I.M. Moreno-Garcia; Isabel Moreno-Garcia. 2012. "Design of an Intelligent Electronic Device to control a private microgrid." 2012 IEEE Second International Conference on Consumer Electronics - Berlin (ICCE-Berlin) , no. : 99-101.

Journal article
Published: 20 July 2012 in IEEE Transactions on Industrial Informatics
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Present distribution networks have not been designed to accept extensive Distributed Generation (DG). The present framework may change in the near future impelled by a worldwide increase in DG penetration in distribution grids. The mutual dependency of energy distribution and communications on the same grid requires new means for effectively monitoring and controlling both systems in parallel. Relaying and control IEDs can also serve as measurement units for power quality. Synchronized Measurement Technology (SMT) has the potential of becoming the backbone of this paradigm. By using wide-area information systems, the data can be made available to all involved partners. This paper provides different outlooks about the possibilities of Embedded Systems to integrate the protection, control and monitoring functions in Distribution Automation Systems. To justify the choice of synchronization technology, we have scheduled a complete sequence of synchronism tests and measurement tests based on standard specifications.

ACS Style

Antonio Moreno-Munoz; Victor Pallares-Lopez; Juan José Gonzalez De La Rosa; Rafael Jesús Real Calvo; Miguel Jesús González Redondo; Isabel Moreno-Garcia. Embedding Synchronized Measurement Technology for Smart Grid Development. IEEE Transactions on Industrial Informatics 2012, 9, 52 -61.

AMA Style

Antonio Moreno-Munoz, Victor Pallares-Lopez, Juan José Gonzalez De La Rosa, Rafael Jesús Real Calvo, Miguel Jesús González Redondo, Isabel Moreno-Garcia. Embedding Synchronized Measurement Technology for Smart Grid Development. IEEE Transactions on Industrial Informatics. 2012; 9 (1):52-61.

Chicago/Turabian Style

Antonio Moreno-Munoz; Victor Pallares-Lopez; Juan José Gonzalez De La Rosa; Rafael Jesús Real Calvo; Miguel Jesús González Redondo; Isabel Moreno-Garcia. 2012. "Embedding Synchronized Measurement Technology for Smart Grid Development." IEEE Transactions on Industrial Informatics 9, no. 1: 52-61.

Conference paper
Published: 01 June 2012 in 2012 IEEE 15th International Conference on Harmonics and Quality of Power
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The main objective of this paper is to describe a technique for optimize the capturing and processing of voltage and current signals at various points of the power system. The FPGA enables parallel processing of multiple signals. We present preliminary results with FPGA-based embedded system architecture for six-processing signals. A second objective is use of Precision Time Protocol to Synchronise Sampled Value with high precision. Therefore, we use a Software Based IEEE 1588-2008 for synchronization of the captures of event for Power Quality measurements.

ACS Style

Victor Pallares-Lopez; Antonio Moreno-Munoz; A. Gil-De-Castro; Isabel Santiago Chiquero. FPGA-based embedded system architecture for power quality measurements. 2012 IEEE 15th International Conference on Harmonics and Quality of Power 2012, 507 -511.

AMA Style

Victor Pallares-Lopez, Antonio Moreno-Munoz, A. Gil-De-Castro, Isabel Santiago Chiquero. FPGA-based embedded system architecture for power quality measurements. 2012 IEEE 15th International Conference on Harmonics and Quality of Power. 2012; ():507-511.

Chicago/Turabian Style

Victor Pallares-Lopez; Antonio Moreno-Munoz; A. Gil-De-Castro; Isabel Santiago Chiquero. 2012. "FPGA-based embedded system architecture for power quality measurements." 2012 IEEE 15th International Conference on Harmonics and Quality of Power , no. : 507-511.