Exploració per autor "Rocabert Delgado, Joan"
Ara es mostren els items 1-20 de 88
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2 transistors + 2 diodes-based PEBB designed for general applications in power electronics
Nicolás Apruzzese, Joan; Rocabert Delgado, Joan; Bordonau Farrerons, José; Busquets Monge, Sergio; Alepuz Menéndez, Salvador; Martínez Velasco, Juan Antonio; Peracaula Roura, Joan (2009)
Comunicació de congrés
Accés obertThis paper presents a new Power Electronic Building Block (PEBB) designed to facilitate the implementation of different power converter topologies. The proposed PEBB consists of two diodes and two transistors and it can ... -
A comparative study of methods for estimating virtual flux at the point of common coupling in grid connected voltage source converters with LCL filter
Roslan, Nurul Fazlin; Suul, Jon Are; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016)
Text en actes de congrés
Accés obertGrid connected Voltage Source Converters (VSCs) with LCL filters usually have voltage measurements at the filter capacitors, while it can be important to control the active or reactive power injection at the grid-side of ... -
A comparative study of methods for estimating virtual flux at the point of common coupling in grid connected voltage source converters with LCL filter
Fazlin Roslan, Nurul; Suul, Jon Are; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (2017-08-23)
Article
Accés restringit per política de l'editorialGrid synchronization based on Virtual Flux (VF) estimation allows for control of grid-connected power converter without depending on AC-voltage measurements. This is useful in voltage-sensor-less applications for reducing ... -
A novel pulsewidth modulation to operate a bidirectional two-stage dc-ac converter with high-frequency isolation in discontinuous conduction mode for photovoltaic applications
Mata Dumenjó, Montserrat; Busquets Monge, Sergio; Diest, Jaume; Rocabert Delgado, Joan; Barenys, Mireia; Nicolás Apruzzese, Joan; Salaet Pereira, Juan Fernando (2009)
Comunicació de congrés
Accés obert -
A photovoltaic three-phase topology to reduce common mode voltage
Vázquez Guzmán, Gerardo; Kerekes, Tamas; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro; Teodorescu, Remus; Aguilar, Daniel (2010)
Text en actes de congrés
Accés obertAt the present time most of the photovoltaic (PV) applications require to be integrated to the electrical grid. There are mainly two types of PV systems: with galvanic isolation (transformer) and transformerless. PV ... -
A regenerative active clamp circuit for DC/AC converters with high-frequency isolation in photovoltaic systems
Rocabert Delgado, Joan; Mata Dumenjó, Montserrat; Bordonau Farrerons, José; Beristain Gimenez, Jose Antonio (2004-11-15)
Comunicació de congrés
Accés obertDC/AC converters with high-frequency isolation and bidirectional power flow are extensively used in photovoltaic power systems and small isolated power converters at low and medium power ranges. The main disadvantages ... -
A way of increasing stability margin of current control in VSCs connected to the grid through LCL filters
Marín Arévalo, Leonardo Vidal; Rodríguez Cortés, Pedro; Candela García, José Ignacio; Rocabert Delgado, Joan (2017)
Text en actes de congrés
Accés restringit per política de l'editorialVSCs connected to the grid through LCL filters are common in the integration of renewable energies into electrical systems. Therefore, in this paper small signal stability of the current loop of this configuration is ... -
Active power limiter for grid connection of modern renewable SSG SPC
Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro (2017)
Text en actes de congrés
Accés restringit per política de l'editorialManagement of Renewable Static Synchronous Generation units based on Synchronous Power Controller (RSSG-SPC), not only provides grid synchronization without using PLL and gives proper dynamic to output active power, moreover ... -
Active power limiter for static synchronous generators in renewable applications
Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Atef Abbas Elsaharty, Mohamed (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-28)
Article
Accés obertVirtual Synchronous Generators (VSGs) are an interesting control approach for the connection of renewable energies to the electrical grid through power converters. These power devices have shown their ability to enable ... -
Active power limiter for static synchronous generators in renewable applications
Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago (2018)
Text en actes de congrés
Accés restringit per política de l'editorialControl of the power converters in the Renewable Static Synchronous Generation units based on the Synchronous Power Control technique (RSSG-SPC) provides the opportunity for the grid operators to use simple and efficient ... -
Adaptive droop for control of multiterminal DC bus integrating energy storage
Gavriluta, Catalin; Candela García, José Ignacio; Rocabert Delgado, Joan; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2015-02-01)
Article
Accés obertMultiterminal dc (MTDC) systems are drawing a lot of interest lately in applications related to distributed generation, especially in those that integrate wind or photovoltaic (PV) generation with energy storage (ES). ... -
Adaptive droop for primary control in MTDC networks with energy storage
Gavriluta, Catalin; Candela García, José Ignacio; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (2013)
Comunicació de congrés
Accés restringit per política de l'editorialMulti-terminal DC (MTDC) systems are drawing a lot of interest lately in applications related to distributed generation, especially in those that integrate wind or PV systems together with energy storage. This paper proposes ... -
Advanced structures for grid synchronization of power converters in distributed generation applications
Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro; Teodorescu, Remus; Blaabjerg, Frede (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe Transmission System Operators are specially concerned about the Low Voltage Ride Through requirements of distributed generation power plants. Solutions based on the installation of STATCOMs and DVRs, as well as on ... -
An active power synchronizing controller for grid-connected power converters with configurable natural droop characteristics
Zhang, Weiyi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (2015)
Text en actes de congrés
Accés restringit per política de l'editorialImproving the dynamics of the widely applied gridconnected power converters has been drawing a lot of interests in recent years. Since the currently installed grid-connected converters doesn’t shown inertia effect in power ... -
An approach to the performance-oriented model of variable-speed wind turbines
Rolán Blanco, Alejandro; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Aguilar Galván, Daniel; Vázquez Guzmán, Gerardo (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
Comunicació de congrés
Accés obertThe aim of this work is to give an approach to the Performance-Oriented Model of Variable-Speed Wind turbines (VSWTs) equipped with permanent magnet synchronous generator (PMSG), and compare it to the component-oriented model. ... -
Analysis of ferroresonance effects in distribution networks with distributed source units
Monadi, Mehdi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rocabert Delgado, Joan; Fayezizadeh, Mostafa; Rodríguez Cortés, Pedro (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe connection of Distributed Generation (DG) units to existing networks may give rise to harmful effects on the network and the DG units itself. Therefore, due to increasing penetration of DG units, it is important to ... -
Analysis on dynamic interaction of renewable SSG SPC with external power grid
Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro (2017)
Text en actes de congrés
Accés restringit per política de l'editorialControl of renewables by Synchronous Power Controller (SPC) technology provides virtual damping and inertia which results to support phase stability on the grid and keep synchronism of interconnected areas tighter. Serving ... -
Centralized synchronous controller based on load angle regulation for photovoltaic power plants
Verdugo Retamal, Cristian Andrés; Tarraso Martínez, Andrés; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2021-02)
Article
Accés obertThe integration of renewable energies based on photovoltaic power plants (PVPPs) is increasing exponentially fast. In consequence, stability problems associated with the lack of inertia are becoming a serious concern. ... -
Comparison of different power loop controllers for synchronous power controlled grid-interactive converters
Zhang, Weiyi; Remón, D.; Mir Cantarellas, Antonio; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe impact caused by the large scale penetration of renewable energy sources into electrical grid has been given an increasing concern in the past decade. Multiple challenges will occur in the future when the share of the ... -
Connection and disconnection transients for micro-grids under unbalance load condition
Rocabert Delgado, Joan; Azevedo, Gustavo M.S.; Candela García, José Ignacio; Luna Alloza, Álvaro; Blaabjerg, Frede; Rodríguez Cortés, Pedro (2014-03)
Article
Accés restringit per política de l'editorialIn this paper the design and the implementation of a method oriented to carry out a safe and a stable intentional disconnection, and re-connection, of local micro-grids from the main distribution network under generic grid ...