[EN] The high penetration of distributed generators, most of them based on renewable energy sources, is modifying the traditional structure of the electric distribution grid. If the power of distributed generators is high ...
Liberos Mascarell, María Antonia(Universitat Politècnica de València, 2016-11-17)
[ES] La red eléctrica, a día de hoy, tiene una distribución muy centralizada en la que los puntos de
gener
ación,
consumo y almacenamiento se encuentran muy alejados entre sí
. Este hecho
produce
fallos ...
Trujillo Rodríguez, César Leonardo; Velasco de la Fuente, David; Figueres Amorós, Emilio; Garcerá Sanfeliú, Gabriel; Ortega, Rubén(Elsevier, 2011-08)
[EN] This paper presents the modeling and control of a push-pull converter integrated into a two-stage photovoltaic microinverter operating in island mode without backup energy storage components (batteries). A push-pull ...
[EN] This paper presents a control structure for transformerless photovoltaic inverters connected in parallel to manage photovoltaic fields in the MW range. Large photovoltaic farms are usually divided into several ...
Tormo Borreda, Daniel(Universitat Politècnica de València, 2014-11-24)
[EN] The world of high power converters have been one of the most important fields of study of the last decades and still. HVDC (High-Voltage Direct Current) and FACTS (Flexible Alternating Current Transmission Systems) ...
[EN] This paper presents a peak current mode control scheme of a boost rectifier with low distortion of the input current for wind power systems based on permanent magnet synchronous generators with variable speed operation. ...
[EN] The B4 topology is an interesting alternative to the conventional B6 inverter due to its reduced number of parts and lower cost. Although it has been widely used in the past, especially in low-power motor drive ...
Velasco de la Fuente, David; Trujillo Rodríguez, Cesar Leonardo; Garcerá, Gabriel; Figueres Amorós, Emilio; Ortega González, Rubén(Institute of Electrical and Electronics Engineers (IEEE), 2013)
This paper presents the analysis, design, and experimentation
results of a photovoltaic energy management system
with battery backup. The proposed system is capable of both
grid-connected and islanded operations. The ...
[EN] In this paper, a centralized control strategy for the efficient power management of power converters composing a hybrid AC/DC microgrid is explained. The study is focused on the converters connected to the DC bus. The ...
[EN] This study is focused on two areas: the design of a Battery Energy Storage System(BESS) for a grid-connected DC Microgrid and the power management of that microgrid.
The power management is performed by a Microgrid ...
Pérez Bayo, Guillermo(Universitat Politècnica de València, 2022-10-14)
[ES] En la actualidad la preocupación creciente por el cambio climático y la consecuente búsqueda de una movilidad sostenible está conduciendo a una cada vez mayor electrificación del parque automovilístico, en parte debido ...
Velasco de la Fuente, David(Universitat Politècnica de València, 2012-06-20)
El presente trabajo ha sido desarrollado con la finalidad de la obtención del título de Doctor en Electrónica por la Universidad Politécnica de Valencia.
Este documento reporta el diseño y la construcción de un convertidor ...
[EN] In this paper a revision about different techniques for islanding detection in distributed generators is presented. On one hand, remote techniques, not integrated in the distributed generators, are discussed. On the ...
[EN] This paper presents a robust control technique applied to a three-phase shunt active filter based on an NPC inverter, showing the modelling procedure needed to carry out the proposed control. The transfer functions ...
Pascual Molto, Marcos; Garcerá Sanfeliú, Gabriel; Figueres Amorós, Emilio; González Espín, Francisco José(Institute of Electrical and Electronics Engineers (IEEE), 2008-08)
This paper presents a robust control technique applied to modular uninterruptible power-supply (UPS) inverters operating in parallel. When compared to conventional proportional-integral (PI) control, the proposed technique ...
Figueres Amorós, Emilio; Garcerá, Gabriel; Sandía Paredes, Jesús; González Espín, Francisco José; Calvo Rubio, Jesús(Institute of Electrical and Electronics Engineers, 2009)
[EN] An accurate small-signal model of three-phase photovoltaic (PV) inverters with a high-order grid filter is derived in this paper. The proposed model takes into account the influence of both the inverter operating point ...
[EN] Photovoltaic transformerless inverters are very efficient and economical options for solar-power generation. The absence of the isolation transformer improves the converters' efficiency, but high-frequency voltage to ...
A microgrid can operate in island mode, isolated
from the main grid during certain time intervals. When operated
in island mode, the electronic converters of the microgrid
must keep the voltage and frequency of the ...
Liberos Mascarell, María Antonia(Universitat Politècnica de València, 2021-06-21)
[ES] En este trabajo se proponen técnicas de control específicas para la paralelización de inversores sin transformador conectados a red, en aplicaciones de interconexión de buses de microrredes híbridas e instalaciones ...
Pascual Molto, Marcos(Universitat Politècnica de València, 2008-05-07)
Los sistemas de conversión conectados en paralelo constituyen una solución interesante al problema de proporcionar una tensión regulada a una carga que demanda corrientes elevadas, pues la paralelización de convertidores ...