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Browsing by Author "González Medina, Raúl"

Now showing items 1-20 of 26

A low-cost photovoltaic emulator for static and dynamic evaluation of photovoltaic power converters and facilities

González Medina, Raúl; Patrao Herrero, Iván; Garcerá Sanfeliú, Gabriel; Figueres Amorós, Emilio (Wiley, 2014-02)

In testing maximum power point tracking (MPPT) algorithms running on electronic power converters for photovoltaic (PV) applications, either a PV energy source (PV module or PV array) or a PV emulator is required. With a ...
A Novel Locality Algorithm and Peer-to-Peer Communication Infrastructure for Optimizing Network Performance in Smart Microgrids

Marzal-Romeu, Silvia; González-Medina, Raúl; Salas-Puente, Robert Antonio; Figueres Amorós, Emilio; Garcerá, Gabriel (MDPI AG, 2017)

[EN] Peer-to-Peer (P2P) overlay communications networks have emerged as a new paradigm for implementing distributed services in microgrids due to their potential benefits: they are robust, scalable, fault-tolerant, and ...
An Algorithm for the Efficient Management of the Power Converters Connected to the DC Bus of a Hybrid Microgrid Operating in Grid-connection Mode

Salas-Puente, Robert Antonio; Marzal-Romeu, Silvia; González-Medina, Raúl; Figueres Amorós, Emilio; Garcerá, Gabriel (Taylor & Francis, 2018)

[EN] In this paper a centralized control strategy for the efficient power management of the power converters conforming a hybrid distributed generation microgrid is explained. The microgrid is based on a DC and an AC bus. ...
An Embedded Internet of Energy Communication Platform for the Future Smart Microgrids Management

Marzal-Romeu, Silvia; González-Medina, Raúl; Salas-Puente, Robert Antonio; Garcerá, Gabriel; Figueres Amorós, Emilio (Institute of Electrical and Electronics Engineers, 2019)

[EN] Microgrids are moving toward electric power systems in a sort of an internet of energy (IoE) where a large number of generators can be connected anywhere. In this regard, to realize the envisioned IoE, information and ...
Analysis of the control structure of wind energy generation systems based on a permanent magnet synchronous generator

Carranza Castillo, Oscar; Figueres Amorós, Emilio; Garcerá Sanfeliú, Gabriel; González Medina, Raúl (Elsevier, 2013-03)

This paper presents the analysis of the two usual control structures for variable speed and fixed pitch wind energy generation systems, namely speed and torque control, to determine the most appropriate structure to improve ...
Análisis y diseño de un microinversor de 230W para la conexión directa de paneles fotovoltaicos a la red eléctrica

González Medina, Raúl (2011-11-29)

En el presente trabajo fin de Máster se aborda el diseño e implementación de un microinversor de doble etapa para la conexión a la red de un solo panel fotovoltaico con aislamiento de alta frecuencia entre el panel y la red.
Current challenges and future trends in the field of communication architectures for microgrids

Marzal-Romeu, Silvia; Salas-Puente, Robert Antonio; González Medina, Raúl; Garcerá, Gabriel; Figueres Amorós, Emilio (Elsevier, 2018)

[EN] The concept of microgrid has emerged as a feasible answer to cope with the increasing number of distributed renewable energy sources which are being introduced into the electrical grid. The microgrid communication ...
Diseño de un sistema empotrado para la gestión remota de inversores fotovoltaicos

Méndez Álvarez, Víctor Jerónimo (2016-11-07)

[ES] En la actual sociedad de la información y en especial en España se hace necesario la monitorización en tiempo real de la producción de energía de los campos fotovoltaicos para controlar la evolución y la viabilidad ...
DISEÑO E IMPLEMENTACIÓN DE UN CONVERTIDOR REDUCTOR DE TENSIÓN (DC-DC BUCK) DE 300W Y BAJO COSTE CON SALIDA AJUSTABLE DE 1 A 30 V A PARTIR DE 48 Vdc.

Torán Mort, Enric (2019-09-10)

[ES] El objetivo principal de este trabajo es el diseño y posterior implementación de un circuito electrónico de bajo coste que sea capaz de entregar una tensión variable, a partir de otra fija y de valor superior, con una ...
Diseño e implementación de un gestor energético para una instalación fotovoltaica de autoconsumo con estimación de la producción energética y programación del consumo.

Soriano Clemente, Pablo (2019-09-04)

[ES] Las instalaciones fotovoltaicas de autoconsumo permiten reducir la factura de la luz, complementando la energía absorbida de la red con la generación obtenida de paneles fotovoltaicos. Este TFM tiene como objetivo el ...
Diseño e implementación de un inversor trifásico de 3 kW basado en módulos inteligentes de potencia para excitación de motores en electrodomésticos

Segura del Pino, Jorge (2019-10-21)

[ES] En este Trabajo Fin de Máster se ha llevado a cabo el diseño y construcción de un inversor trifásico de 3 kW basado en módulos inteligentes de potencia para alimentar motores utilizados en electrodomésticos. El ...
Diseño, construcción y evaluación de una carga dinámica AC y DC, para el test de las etapas de entrada y salida de un sistema de alimentación ininterrumpida de 4kw, 50hz

González Medina, Raúl (2014-05-23)

Proyecto confidencial
Diseño, construcción y programación de hardware electrónico para interfaz hombre-máquina de un emulador fotovoltaico de 3kw

Roca Coscolla, Jorge (2017-09-05)

The work EOG is the creation of a man-machine interface (HMI) for the power stage of a 3kW photovoltaic emulator. The aim is to control, monitor and configure the photovoltaic emulator via a touch screen. The core of the ...
Dynamic modeling of a dual active bridge DC to DC converter with average current control and load-current feed-forward

Guacaneme Moreno, Javier Antonio; Gabriel Garcerá; Figueres Amorós, Emilio; Patrao Herrero, Iván; González Medina, Raúl (Wiley, 2015-10)

Bidirectional power flow is needed in many power conversion systems like energy storage systems, regeneration systems, power converters for improvement of the power quality and some DC-DC applications where bidirectional ...
Dynamic modeling of DC-DC converters with peak current control in double-stage photovoltaic grid-connected inverters

Garcerá Sanfeliú, Gabriel; González Medina, Raúl; Figueres Amorós, Emilio; Sandía Paredes, Jesús (Wiley, 2012-08)

In photovoltaic (PV) double-stage grid-connected inverters a high-frequency DC-DC isolation and voltage step-up stage is commonly used between the panel and the grid-connected inverter. This paper is focused on the modeling ...
Effects of the PWM carrier signals synchronization on the DC-link current in back-to-back converters

González Morales, Luis Gerardo; Garcerá, Gabriel; Figueres Amorós, Emilio; González-Medina, Raúl (Elsevier, 2010)

[EN] This paper presents a study about the synchronization effects of the PWM carrier signals of a back-to-back converter for grid connection of Wind Energy Conversion Systems based on Permanent Magnet Synchronous Generators. ...
Efficient Event Notification Middleware for Smart Microgrids over P2P Networks

Marzal-Romeu, Silvia; Salas-Puente, Robert Antonio; González-Medina, Raúl; Garcerá, Gabriel; Figueres Amorós, Emilio (Institute of Electrical and Electronics Engineers, 2018)

[EN] Microgrids are moving towards large-scale smart distributed networks which demand an efficient and reliable communication infrastructure to manage, control and monitor energy resources. With regard to this, ...
Estudio y evaluación de prestaciones estáticas y dinámicas de los integradores generalizados de segundo orden en las estructuras de control de inversores fotovoltaicos de dos etapas con conexión a red.

González Medina, Raúl (2015-11-16)

[EN] The use of renewable energy sources has a positive impact on the environment and the economy, so that countries with a deficit of fossil fuels can reduce their energy dependence on other countries. Photovoltaic (PV) ...
Experimental Study of a Centralized Control Strategy of a DC Microgrid Working in Grid Connected Mode

Salas-Puente, Robert Antonio; Marzal-Romeu, Silvia; González-Medina, Raúl; Figueres Amorós, Emilio; Garcerá, Gabriel (MDPI AG, 2017)

[EN] The results concerning the integration of a set of power management strategies and serial communications for the efficient coordination of the power converters composing an experimental DC microgrid is presented. The ...
Grid-tie inverter topology with maximum power extraction from two photovoltaic arrays

Patrao Herrero, Iván; Gabriel Garcerá; Figueres Amorós, Emilio; González Medina, Raúl (Institution of Engineering and Technology (IET), 2014-08)

This study presents a transformerless topology for a grid-tied single-phase inverter capable of performing the simultaneous maximum power point tracking of two independent and series connected photovoltaic sources. This ...