Exploració per autor "Luna Alloza, Álvaro"Més informacióMés informació

Ara es mostren els items 86-105 de 188

    • Generalized voltage droop control with inertia mimicry capability - step towards automation of multi-terminal HVDC grids 

      Rouzbehi, Kumars; Zhu, Jiebei; Zhang, Weiyi; Gharehpetian, Gevorg B.; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2015)
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      The level of inertia in modern power systems is reducing drastically due to the increasing penetration of renewables to the power grid. In the near future the grid will face high penetration of renewable resources because ...

    • 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)
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      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 connection design and control of LCL+Trap filter based two-level VSC for wave power plant applications 

      Mir Cantarellas, Antonio; Rakhshani, Elyas; Remón, D.; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2013)
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      This paper presents a filter design methodology and control design strategy for LCL+Trap filters deployed in large scale wave power plants. This filter topology appears as an alternative for the widely used LCL filters, ...

    • Grid forming control for power converters based on an Inertial Phase Locked Loop (IPLL) 

      Tarraso Martínez, Andrés; Candela García, José Ignacio; Rocabert Delgado, Joan; Luna Alloza, Álvaro; Miletic, Zoran (Institute of Electrical and Electronics Engineers (IEEE), 2023-07-21)
      Article
      Accés obert
      Inertia emulation is claimed to play a decisive role in the regulation and management of frequency in modern electrical systems. The support offered by renewable energy power plants and distributed generators is key to ...

    • Grid harmonic detection and system resonances indentification in wave power plant applications 

      Nisak, Khairul; Mir Cantarellas, Antonio; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2013)
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      There is a growing interest in electrical grid connection of single unit Wave Energy Converters (WECs), as well as the multiple units based Wave Power Plant (WPP) applications. Due to the increasing integration of high ...

    • Grid synchronization for advanced power processing and FACTS in wind power systems 

      Luna Alloza, Álvaro; Rocabert Delgado, Joan; Vázquez Guzmán, Gerardo; Rodríguez Cortés, Pedro; Teodorescu, Remus; Córcoles López, Felipe (2010)
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      The high penetration of wind power systems in the electrical network has introduced new issues in the stability and transient operation of the grid. By means of providing advanced functionalities to the existing power ...

    • Grid synchronization of renewable generation systems using synchronous power controllers 

      Remón Rodríguez, Daniel; Zhang, Weiyi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2017)
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      The increasing penetration of renewable energy sources in power systems has increased the amount of generating units employing power electronics as their grid interface, instead of synchronous generators. Their different ...

    • Grid synchronization structure for wind converters under grid fault conditions 

      Garcia, Jose Ignacio; Candela García, José Ignacio; Luna Alloza, Álvaro; Catalan, Pedro (2016)
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      This paper presents a grid synchronization structure for three-phase electric power systems based on the use of a filtered quadrature signal generator (FQSG) and a phase-locked loop (PLL) structure, named Adaptive Vector ...

    • Grid voltage synchronization for distributed generation systems under grid fault conditions 

      Luna Alloza, Álvaro; Rocabert Delgado, Joan; Candela García, José Ignacio; Hermoso Costa, Juan Ramón; Teodorescu, Remus; Blaabjerg, Frede; Rodríguez Cortés, Pedro (2015-07-01)
      Article
      Accés obert
      The actual grid code requirements for the grid connection of distributed generation systems, mainly wind and photovoltaic (PV) systems, are becoming very demanding. The transmission system operators (TSOs) are especially ...

    • Grid-connected converters with virtual electromechanical characteristics: experimental verification 

      Zhang, Weiyi; Remón Rodríguez, Daniel; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2017-10-05)
      Article
      Accés obert
      Grid-connected power converters, which are frequently used to link renewable generation plants with the grid, are required to provide a better functionality for large scale integration of renewables. They are expected to ...

    • Harmonic compensation analysis in offshore wind power plants using hybrid filters 

      Hasan, Khurshid N Md; Kalle, Rauma; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2014-05-16)
      Article
      Accés restringit per política de l'editorial
      The harmful effects of harmonics are an important issue in wind power plants (WPPs), especially in offshore applications. In offshore WPPs, the wind turbines are linked to the network through high-power converters that ...

    • Harmonic resonance damping in Wind Power Plant 

      Nisak, Khairul; Rauma, Kalle; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2012)
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      Harmonic is one of main concern in Wind Power Plant (WPP) as growing usage of power electronic converter is observed. Besides the injection of harmonic by individual wind turbine (WT) as source of harmonic, its propagation ...

    • Harmonic resonances damping using hybrid filter for WPP 

      Nisak, Khairul; Rauma, Kalle; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2012)
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      Harmonic distortion is one of important factor to consider in power system network. In a big network such as wind power plant (WPP), careful analysis and mitigation steps is essential. Many aspects including resonances ...

    • Hierarchical control of HV-MTDC systems with droop-based primary and OPF-based secondary 

      Gavriluta, Catalin; Candela García, José Ignacio; Luna Alloza, Álvaro; Gomez Exposito, Antonio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014-11-12)
      Article
      Accés restringit per política de l'editorial
      This paper proposes a hierarchical control architecture designed for an arbitrary high voltage multiterminal dc (MTDC) network. In the proposed architecture, the primary control of the MTDC system is decentralized and ...

    • Identification and local linear control of a DC-DC buck converter using local model networks 

      Rouzbehi, Kumars; Miranian, Arash; Rakhshani, Elyas; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (IEEEXPLORE, 2013)
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    • Identification and maximum power point tracking of photovoltaic generation by a local neuro-fuzzy model 

      Rouzbehi, Kumars; Miranian, Arash; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2012)
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      With the rapid proliferation of the DC distribution systems, special attentions are paid to the photovoltaic (PV) generations. This paper addresses the problem of maximum power point tracking (MPPT) for PV systems using a ...

    • Impacts of wind energy in-feed on power system small signal stability 

      Banna, Hasan UI; Luna Alloza, Álvaro; Ying, Shaoqing; Ghorbani, Hamidreza; Rodríguez Cortés, Pedro (2014)
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      Integration of large amount of wind energy in an interconnected power system creates concerns about secure, reliable and economical operation of the entire power system. So it becomes very necessary to investigate the ...

    • Impedance source interlinking converter for microbial electrosynthesis energy storage applications 

      Shahparasti, Mahdi; Rocabert Delgado, Joan; Muñoz, Raul Santiago; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2018)
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      In this paper, a new type of single-stage interlinking converters for Microbial Electrosynthesis (MES) energy storage applications connected to the three-phase grid is presented, in which impedance source network (ZSN) is ...

    • 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)
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      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 ...

    • Intelligent voltage control in a DC micro-grid containing PV generation and energy storage 

      Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2014)
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      This paper proposes an intelligent control scheme for DC voltage regulationin a DC micro-grid integrating photovoltaic (PV) generation, energy storage and electric loads. The maximum power generation of the PV panel is ...