Exploració per tema "Electric power system stability"

Ara es mostren els items 21-40 de 45

    • Distributed FLISR algorithm for smart grid self-reconfiguration based on IEC61850 

      Koch-Ciobotaru, Cosmin; Monadi, Mehdi; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper proposes a distributed algorithm for Fault Location, Isolation, and Service Restoration (FLISR) to be implemented as part of the intelligent software for controlling the operation of each circuit breaker. The ...

    • Doubly fed induction generator subject to symmetrical voltage sags 

      Rolán Blanco, Alejandro; Córcoles López, Felipe; Pedra Durán, Joaquim (2011-12)
      Article
      Accés restringit per política de l'editorial
      The aim of this paper is to analyze the dynamic behavior of the doubly fed induction generator (DFIG) subject to symmetrical voltage sags caused by three-phase faults. A simple control algorithm is considered and assumed ...

    • Enhanced local grid voltage support method for high penetration of distributed generators 

      Demirok, Erhan; Sera, Dezso; Rodríguez Cortés, Pedro; Teodorescu, Remus (IEEE Computer Society Publications, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Grid voltage rise and thermal loading of network components are the most remarkable barriers to allow high number of distributed generator (DG) connections on the medium voltage (MV) and low voltage (LV) electricity ...

    • Enhanced performance of SVC via using rotor speed deviation signal (RSDS) 

      Ghorbani, Hamidreza; Monadi, Mehdi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
      Text en actes de congrés
      Accés obert
      Transient stability enhancement through using a Static Var Compensator (SVC) and Rotor Speed Deviation Signal (RSDS) of synchronous machine are thoroughly investigated in this paper. Speed deviation signal of generator as ...

    • Equivalent model of a synchronous PV power plant 

      Remón, D.; Mir Cantarellas, Antonio; Atef Abbas Elsaharty, Mohamed; Koch-Ciobotaru, Cosmin; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      The continuous integration of renewable energy sources into power systems has led to the construction of large power plants based on power electronics, with power ratings up to hundreds of megawatts, in order to accomodate ...

    • Estudi del transformador desfasador com a element de control del flux de càrrega 

      Sala Pardo, Joan (Universitat Politècnica de Catalunya, 2011-02)
      Projecte/Treball Final de Carrera
      Accés obert
      Aquest projecte final de carrera tracta sobre la utilitat i utilització del transformador desfasador per solucionar possibles sobrecàrregues en una xarxa de transport d’energia elèctrica. En primer lloc, per tal d’evitar ...

    • Estudio e implementación de un emulador de red 

      Ziani, Fouad (Universitat Politècnica de Catalunya, 2014-06)
      Treball Final de Grau
      Accés obert
      El objetivo de este proyecto es producir y simular perturbaciones que pueden ocurrir en una red de distribución clásica. Para hacer esto, es necesario reproducir las características de esta red: un sistema trifásico de ...

    • Evaluation and control design of virtual-synchronous-machine-based STATCOM for grids with high penetration of renewable energy 

      Chi, Li; Burgos, R.; Cvetkovic, I.; Boroyevich, D.; Mili, L.; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Because renewable energy sources are environment-friendly and inexhaustible, more and more said renewable energy power plants have been integrated into power grids worldwide. To compensate for their inherent variability, ...

    • Flexible HVDC transmission systems small signal modelling: a case study on CIGRE Test MT-HVDC grid 

      Heidary Yazdi, Seyed Saeid; Rouzbehi, Kumars; Candela García, José Ignacio; Milimonfared, Jafar; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      Future Flexible HVDC Transmission Systems will consist of several active and passive infrastructures including DC Power Flow Controller (DC-PFC) device. The addition of the DC-PFC to the future Multi-Terminal HVDC (MT-HVDC) ...

    • Generador programable de sots de tensió per a l’assaig de convertidors de freqüència 

      Motjé Terris, Jordi (Universitat Politècnica de Catalunya, 2003)
      Projecte/Treball Final de Carrera
      Accés obert

    • Generalized voltage droop strategy for power synchronization control in multi-terminal DC grids: an analytical approach 

      Rouzbehi, Kumars; Zhang, Weiyi; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2015)
      Text en actes de congrés
      Accés obert
      Vector current control based on Phase-locked loop, regardless of its popularity in control of grid-connected converters, performs under the limitation of the short-circuit capacity of the connected ac system. A previously ...

    • Grid-forming controller based on virtual admittance for power converters working in weak grids 

      Vidal León Romay, José David; Tarraso Martínez, Andrés; Candela García, José Ignacio; Rocabert Delgado, Joan; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2023-07)
      Article
      Accés obert
      The high penetration of distributed energy resources, based on power electronics, is giving rise to stability issues in the electrical network, as initially those plants were not required to provide either voltage or ...

    • Implementation of the differential protection for MVDC distribution systems using real-time simulation and hardware-in-the-loop 

      Monadi, Mehdi; Koch-Ciobotaru, Cosmin; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      Development of Medium Voltage DC (MVDC) distribution systems require using proper protection schemes whereas due to the behavior of dc fault current, the conventional fault detection methods for ac distribution systems ...

    • Modelling and simulation of VSC-HVDC connection for offshore wind power plants 

      Chaudhary, S. K.; Teodorescu, Remus; Rodríguez Cortés, Pedro; Kjaer, P. C.; Christensen, P.W. (2010)
      Text en actes de congrés
      Accés obert
      Several large offshore wind power plants (WPP) are planned in the seas around Europe. VSC-HVDC is a suitable means of integrating such large and distant offshore WPP which need long submarine cable transmission to the ...

    • Phase stability enhancement in big power networks using renewable generation units controlled by SPC 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Hermoso Costa, Juan Ramón (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      High penetration of Renewable Generation Units (RGU), has led to that the interaction of this newfound participators in power network with conventional units be more critical challenges for network operators. Effect on the ...

    • Posicast control: a novel approach to mitigate multi-machine power system oscillations in presence of wind farm 

      Ghorbani, Hamidreza; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, application of Posicast control method to generator excitation system is presented. The method is one of the simplest possible control design methods that can be applied to damp the oscillations caused by ...

    • Power Harware in the Loop Laboratory Setup 

      Viyathukattuva Mohamed Ali, Mohamed Mansoor (Universitat Politècnica de Catalunya, 2013-07)
      Projecte Final de Màster Oficial
      Accés obert
      Share of distributed generation in grid system is increasing in time. In conventional generation, rotating mass provides inertia to the grid. Distribution generation causes reduction in inertia of grid system and this ...

    • Protección contra sobretensiones por descargas atmosféricas a tierra mediante 

      Bullich Massagué, Eduard (Universitat Politècnica de Catalunya, 2013-02)
      Projecte/Treball Final de Carrera
      Accés obert
      Las redes de distribuci on (de media tensi on), encargadas de distribuir la energ a el ectrica desde la red de transporte hasta el usuario nal, est an sujetas a perturbaciones que pueden afectar a la calidad de la energ ...

    • Reserch on the voltage unbalance caused by the increase in penetreation of photovoltaic systems in electrical energy distribution feeders 

      Rul·lan Solana, Francesc Eugeni (Universitat Politècnica de Catalunya / Universidade Estadual de Campinas, 2013)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Universidade Estadual de Campinas
      Due to environmental concerns related to climate change, fiscal incentives from governments around the world, and falling prices of proved and ever-improving technology, the use of renewable energy sources has been rising ...

    • Resonance damping of LCL filters via input admittance frequency shaping 

      Perez Morales, Jorge; Cóbreces Álvarez, Santiago; Pizarro, Daniel; Rodriguez Sanchez, Francisco Javier; Griñó Cubero, Robert (IEEE Press, 2016)
      Text en actes de congrés
      Accés obert
      This paper presents a novel active damping technique of current-controlled grid-connected power converters through LCL filters. Based on H8 synthesis algorithms, a grid current controller is obtained so that the grid-connected ...