Ara es mostren els items 9-28 de 39

    • Design and control of a modular multilevel DC/DC converter for regenerative applications 

      Montesinos Miracle, Daniel; Massot Campos, Miquel; Bergas Jané, Joan Gabriel; Galceran Arellano, Samuel; Rufer, Alfred (2013-08)
      Article
      Accés restringit per política de l'editorial
      This paper compares different cascaded and multilevel topologies to interface supercapacitors to a dc bus in regenerative braking applications. It is shown that the modular multilevel dc/dc converter (MMC) can benefit ...
    • Design methodology for a dc–dc power conversion system with EIS capability for battery packs 

      Díaz González, Francisco; Heredero Peris, Daniel; Galceran Arellano, Samuel (2018-09-01)
      Article
      Accés obert
      This paper presents a design methodology for a dc-dc power conversion system (PCS) for battery packs. The methodology provides with an optimal design of the PCS and the associated inductive-capacitive filter interfacing ...
    • Droop control for loss minimization in HVDC multi-terminal transmission systems for large offshore wind farms 

      Aragüés Peñalba, Mònica; Egea Àlvarez, Agustí; Galceran Arellano, Samuel; Gomis Bellmunt, Oriol (2014-07)
      Article
      Accés restringit per política de l'editorial
      A control scheme is proposed in order to minimize the losses in multi-terminal HVDC systems for large offshore wind power plants. This approach is based on two cascaded control schemes. A low level droop control regulates ...
    • Effect of current distortion and unbalanced loads on semiconductors reliability 

      Lledó Ponsati, Tomàs; Bahman, Amir Sajjad; Lannuzzo, Francesco; Montesinos Miracle, Daniel; Galceran Arellano, Samuel (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
      Article
      Accés obert
      This article presents a reliability analysis of a 4-wire grid-tied inverter under different loading conditions, considering unbalanced loads and harmonic distortion in the current consumed. The proposed power converter is ...
    • Fault ride-through control based on voltage prioritization for grid-forming converters 

      Dadjo Tavakoli, Saman; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Galceran Arellano, Samuel (2023-01-01)
      Article
      Accés obert
      This paper discusses that the existing grid codes on the fault ride-through (FRT) opera-tion have certain complications to be implemented in the grid-forming (GFM) converters.In particular, they do not provide a clear ...
    • Flicker mitigation by reactive power control in wind farm with doubly fed induction generators 

      Girbau Llistuella, Francesc; Sumper, Andreas; Díaz González, Francisco; Galceran Arellano, Samuel (2014-02)
      Article
      Accés restringit per política de l'editorial
      This paper presents a novel wind farm control with the purpose to mitigate the flicker emission of doubly fed induction generators. The presented control strategy is implemented in a wind farm connected to a distribution ...
    • General form of consensus optimization for distributed OPF in HVAC-VSC-HVDC systems 

      Aragüés Peñalba, Mònica; Nguyen, Tung Lam; Caire, Raphael; Sumper, Andreas; Galceran Arellano, Samuel; Tran, Quoc-Tuan (2020-04-24)
      Article
      Accés obert
      In this paper a distributed algorithm for ensuring Optimal Power Flows in hybrid AC-DC systems is proposed. While centralized OPF formulations require information of many variables of all the network nodes, the present ...
    • High-accuracy all-digital resolver-to-digital conversion 

      Bergas Jané, Joan Gabriel; Ferrater Simón, María Misericordia; Gross, Gabriel Igor; Ramírez Pisco, Rodrigo; Galceran Arellano, Samuel; Rull Duran, Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-04-19)
      Article
      Accés restringit per política de l'editorial
      In this article, a high-accuracy all-digital resolverto- digital converter is presented. The two basic components of a conventional tracking R/D converter, the phase detector and the loop filter, are software implemented ...
    • Integral approach to energy planning and electric grid assessment in a renewable energy technology integration for a 50/50 target applied to a small island 

      Mendoza Vizcaino, Javier; Raza, Muhammad; Sumper, Andreas; Díaz González, Francisco; Galceran Arellano, Samuel (2019-01-01)
      Article
      Accés obert
      This paper presents an energy planning, a grid assessment, and an economic analysis, considering three growing scenarios (Low, Base and High) in the electricity consumption, to supply the energy demand for a hybrid power ...
    • Interaction analysis between MMC-based VSC-HVDC links and DFIG-based WPPs within the AC network 

      Prieto Araujo, Eduardo; Sánchez Sánchez, Enric; Galceran Arellano, Samuel; Gomis Bellmunt, Oriol (Energynautics GmbH, 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper deals with a detailed interaction anal- ysis between a wind power plant (WPP) including Doubly Fed Induction Generators (DFIG) and a Voltage Source Converter High Voltage Direct Current (VSC-HVDC) link based on ...
    • LCL filter design for an NPC three-level three-phase grid connected inverter 

      Benet Barberan, Jordi; Pagès Giménez, Marc; Galceran Arellano, Samuel; Sudrià Andreu, Antoni; Montesinos Miracle, Daniel (2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
    • Live field validation of an islanded microgrid based on renewables and electric vehicles 

      Heredero Peris, Daniel; Chillón Antón, Cristian; Girbau Llistuella, Francesc; González Font de Rubinat, Paula; Gomis Bellmunt, Oriol; Pagès Giménez, Marc; Sudrià Andreu, Antoni; Galceran Arellano, Samuel; Montesinos Miracle, Daniel (2023-01-12)
      Article
      Accés obert
      This paper presents a live field experience of creating an isolated microgrid for the Expoelectric fair during 2018 and 2019. The islanded microgrid comprises a Master Inverter with grid-forming capabilities and fault ...
    • Multilevel two quadrant DC/DC converter for regenerative braking in mobile applications 

      Massot Campos, Miquel; Montesinos Miracle, Daniel; Galceran Arellano, Samuel; Rufer, Alfred (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper different cascaded and multilevel topologies are compared for regenerative braking systems using supercapacitors (SC). It shows that the multilevel buck derived topology can beneficiate from both reduced ...
    • Multipurpose emulation platform for research in microgrids 

      Lledó Ponsati, Tomàs; Montesinos Miracle, Daniel; Galceran Arellano, Samuel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper proposes the outline design of a platform that can be used to implement multiple emulators to replicate the behaviour of different energetic resources, storage systems, loads or electric grids. This platform can ...
    • New DSP based development platform for solar inverters and wind power generation 

      Montesinos Miracle, Daniel; Pagès Giménez, Marc; Gomis Bellmunt, Oriol; Galceran Arellano, Samuel (Edicions UPC, 2010)
      Text en actes de congrés
      Accés obert
      Power electronics plays a key role in electrical renewable energy generation in photovoltaics, fuel cells but also in wind energy. This paper presents a new educational tool designed do motor control that can be also used ...
    • Operation and control of a current source converter series tapping of an LCC-HVDC link for integration of offshore wind power plants 

      Sau Bassols, Joan; Prieto Araujo, Eduardo; Galceran Arellano, Samuel; Gomis Bellmunt, Oriol (2016-12)
      Article
      Accés obert
      This work presents a series tapping station for integrating Offshore Wind Power Plants (OWPP) into a (Line Commutated Converter High Voltage Direct Current) LCC-HVDC transmission system. The tapping station allows to ...
    • Optimal operation of hybrid high voltage direct current and alternating current networks based on OPF combined with droop voltage control 

      Aragüés Peñalba, Mònica; Sau Bassols, Joan; Galceran Arellano, Samuel; Sumper, Andreas; Gomis Bellmunt, Oriol (2018-10)
      Article
      Accés obert
      This study focuses on the operation and control of HVDC multi-terminal systems that transmit the power being generated in offshore wind farms to the terrestrial AC grids. The aim of the paper is to propose and validate an ...
    • Optimal operation of isolated microgrids considering frequency constraints 

      Vidal Clos, Josep Andreu; Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Vinyals Canal, Guillem; Chillón Antón, Cristian; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Galceran Arellano, Samuel (Multidisciplinary Digital Publishing Institute, 2019-01-09)
      Article
      Accés obert
      Isolated microgrids must be able to perform autonomous operation without external grid support. This leads to a challenge when non-dispatchable generators are installed because power imbalances can produce frequency ...
    • Optimal power flow tool for mixed highvoltage alternating current and high-voltage direct current systems for grid integration of large wind power plants 

      Aragüés Peñalba, Mònica; Egea Àlvarez, Agustí; Galceran Arellano, Samuel; Gomis Bellmunt, Oriol (2015-11-01)
      Article
      Accés obert
      This study presents a tool for solving optimal power flows (OPFs) in hybrid high-voltage direct current (HVDC) and high-voltage alternating current (HVAC) systems for grid integration of large wind power plants, located ...
    • Passive and Active Methods of Islanding for PV systems 

      Skocil, Tomas; Gomis Bellmunt, Oriol; Montesinos Miracle, Daniel; Galceran Arellano, Samuel; Rull Duran, Joan (2009)
      Comunicació de congrés
      Accés obert
      This paper presents a review of some techniques for islanding detection, especially by using inverter based DG applications and it also focuses on several islanding detection methods for a single- phase current-control ...