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Ara es mostren els items 24-43 de 213

    • Capability curve analysis of photovoltaic generation systems 

      Cabrera Tobar, Ana; Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Gomis Bellmunt, Oriol (2016-12-15)
      Article
      Accés obert
      The present article assesses the study of the PV generator capability curves for use in large scale photovoltaic power plants (LS-PVPPs). For this purpose, the article focuses on three main aspects: (i) the modelling of ...

    • Co-located wind-wave farms: Optimal control and grid integration 

      Del Pozo González, Héctor; Bianchi, Fernando Daniel; Domínguez García, Jose Luís; Gomis Bellmunt, Oriol (Elsevier, 2023-06-01)
      Article
      Accés restringit per política de l'editorial
      Nowadays, offshore renewable energy is seen more and more as an attractive alternative to onshore energy thanks to less space limitations and usually better weather conditions. However, the higher costs in installation and ...

    • Comparison of cell selection methods for modular multilevel converters 

      Antonio Ferreira, Abel; Gomis Bellmunt, Oriol (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The modular multilevel-based power converters (MMC) are very interesting solutions for high power transmission over large distances. The modularity of the converter is achieved by cascading individual and low voltage rated ...

    • Control design and fault handling performance of MMC for MMC-based DC distribution system 

      Muhammad, Fazal; Rasheed, Haroon; Westerman Spier, Daniel; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2022-11-24)
      Article
      Accés obert
      Modular multilevel converters (MMCs) have emerged as a viable choice in future DC grid architectures due to their scalability to meet voltage level requirements. However, MMC-based DC distribution systems are at risk of ...

    • Control design of Modular Multilevel Converters in normal and AC fault conditions for HVDC grids 

      Prieto Araujo, Eduardo; Junyent Ferré, Adrià; Collados Rodríguez, Carlos; Clariana Colet, Gerard; Gomis Bellmunt, Oriol (2017-11)
      Article
      Accés obert
      This paper describes a control design strategy of Modular Multilevel Converters (MMC) for High Voltage Direct Current (HVDC) applications to operate during normal and AC fault conditions. First, a steady state analysis of ...

    • Control for power conditioner based PEM fuel cell and back-up power system with supercapacitor 

      Trujillo Caballero, Juan Carlos; Gomis Bellmunt, Oriol; Montesinos Miracle, Daniel; Sumper, Andreas; Sudrià Andreu, Antoni; Junyent Ferré, Adrià (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a new control strategy to operate a Proton Exchange Membrane Fuel Cell (PEMFC) 1,2 kW and supercapacitor (SC) through a hybrid converter proposed. The Fuel Cell (FC) has a slow dynamic device by its ...

    • Control of a flywheel energy storage system for power smoothing in wind power plants 

      Díaz González, Francisco; Bianchi, Fernando Daniel; Sumper, Andreas; Gomis Bellmunt, Oriol (2014-03-01)
      Article
      Accés obert
      This paper deals with the design and the experimental validation in scale-lab test benches of an energy management algorithm based on feedback control techniques for a flywheel energy storage device. The aim of the flywheel ...

    • Control of a multilevel modular DC/DC converter for mobile applications 

      Montesinos Miracle, Daniel; Gomis Bellmunt, Oriol; Sudrià Andreu, Antoni; Rufer, Alfred (2010-05-04)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the control design of a multilevel modular DC/DC converter for regenerative braking systems in mobile applications. The proposed control scheme is able to control the energy flow between supercapacitors ...

    • Control of a utility connected microgrid 

      Colet Subirachs, A.; Ruiz Alvarez, A.; Gomis Bellmunt, Oriol; Alvarez Cuevas, F.; Sudrià Andreu, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Comunicació de congrés
      Accés obert
      This paper describes the control algorithm of a utility connected microgrid, based on independent control of active and reactive power (PQ control) and working in centralized operation mode. The microgrid under investigation ...

    • Control of doubly fed induction generators under balanced and unbalanced voltage conditions 

      Gomis Bellmunt, Oriol; Junyent Ferré, Adrià (World Scientific Publishing, 2011-01-01)
      Capítol de llibre
      Accés obert
      The present chapter presents a control technique to deal with the control of doubly fed induction generators under different voltage disturbances. Certain current reference values are chosen in the positive and negative ...

    • Control of modular multilevel converters under singular unbalanced voltage conditions with equal positive and negative sequence components 

      Prieto Araujo, Eduardo; Junyent Ferré, Adrià; Clariana Colet, Gerard; Gomis Bellmunt, Oriol (2017-05-01)
      Article
      Accés restringit per política de l'editorial
      This paper focuses on the control of Modular Multilevel Converters (MMC) for High Voltage DC (HVDC) applications during unbalanced AC grid voltage sags where positive and negative sequence voltages are equal. The control ...

    • Control of multi-terminal HVDC networks towards wind power integration: A review 

      Bianchi, Fernando Daniel; Domínguez García, José Luis; Gomis Bellmunt, Oriol (2016-03-01)
      Article
      Accés obert
      © 2015 Elsevier Ltd. More interconnections among countries and synchronous areas are foreseen in order to fulfil the EU 2050 target on the renewable generation share. One proposal to accomplish this challenging objective ...

    • Control of the parallel operation of VSC-HVDC links connected to an offshore wind farm 

      Rodríguez Amenedo, José L.; Arnaltes, S.; Aragüés Peñalba, Mònica; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2019-02)
      Article
      Accés obert
      This paper introduces the control of the parallel operation of two VSC-HVDC links interconnecting an offshore wind farm. The aim of the study is to propose and validate a control system that allows the parallel operation ...

    • Control scheme of three level NPC inverter for integration of renewable energy resources into AC grid 

      Pouresmaeil, Edris; Montesinos Miracle, Daniel; Gomis Bellmunt, Oriol (2012-06)
      Article
      Accés restringit per política de l'editorial
      This paper presents a multiobjective control scheme based on the dynamic model of three-level, neutral-point-clamped voltage source inverter for integration of distributed generation (DG) resources based on renewable energy ...

    • Control scheme of three-level H-bridge converter for interfacing between renewable energy resources and AC grid 

      Pouresmaeil, Edris; Montesinos Miracle, Daniel; Gomis Bellmunt, Oriol (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper presents a control strategy of multilevel converters for integration of renewable energy resources into power grid. The proposed technique provides compensation for active, reactive, and harmonic current components ...

    • Control signal selection for damping oscillations with wind power plants based on fundamental limitations 

      Domínguez García, José Luis; Bianchi, Fernando Daniel; Gomis Bellmunt, Oriol (2013-11)
      Article
      Accés restringit per política de l'editorial
      Transmission system operators are increasingly demanding that wind power plants (WPPs) contribute to enhance stability of power systems. When WPPs act as power system stabilizers(PSSs), the control and measured signals ...

    • Coordinated control design of the voltage and current loop of a current flow controller for meshed HVDC grids 

      Sau Bassols, Joan; Ferrer San José, Ricard; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper is focused in the control design of a DC/DC Current Flow Controller (CFC) for meshed HVDC grids. It proposes a control design methodology based on an outer current loop to ...

    • Coordinated operation of wind turbines and flywheel storage for primary frequency control support 

      Díaz González, Francisco; Hau, Melanie; Sumper, Andreas; Gomis Bellmunt, Oriol (2015-06-01)
      Article
      Accés obert
      This work assesses the participation of wind power plants in primary frequency control support. To participate in frequency control-related tasks, the wind power plants have to maintain a certain level of power reserves. ...

    • Current flow controlling hybrid DC circuit breaker 

      Mokberdoran, Ataollah; Gomis Bellmunt, Oriol; Silva, Nuno; Carvalho, Adriano (2018-02)
      Article
      Accés obert
      This paper proposes a new device by combining features of an interline dual H-bridge current flow controller with the core idea of a hybrid HVdc circuit breaker for meshed HVdc grid application. The proposed device can ...

    • Dc voltage droop control design for mmc-based multiterminal hvdc grids 

      Dadjo Tavakoli, Saman; Sánchez Sánchez, Enric; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2020-01-20)
      Article
      Accés obert
      This article addresses the design of the DC voltage droop control in modular multilevel converter (MMC)-based multiterminal HVDC grids. First, two energy-based control approaches, namely classic and cross control, are ...