Ara es mostren els items 21-40 de 57

    • Design of a 4.5-V, 450-mA low-dropout voltage linear regulator based on a cascoded OTA 

      Martínez García, Herminio (2012)
      Comunicació de congrés
      Accés obert
      This article aims to present the design of a 4.5-V, 450-mA low drop-out (LDO) voltage linear regulator based on a twostage cascoded operational transconductance amplifier (OTA) as error amplifier. The aforementioned ...
    • Design of a multi-phase hysteretic regulator for low voltage applications 

      Cruz Vaquer, Juan (Centre de Publicacions del Campus Nord SCCL (CPET), 2009)
      Text en actes de congrés
      Accés obert
    • Distributed reactive power control methods to avoid voltage rise in grid-connected photovoltaic power generation systems 

      Martí Colom, Pau; Velasco García, Manel; Fuertes Armengol, José Mª; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A high density of grid-connected photovoltaic (PV) power generation systems is expected to occur in urban areas. The connection of distributed generation (DG) may cause serious problems in the distribution system such ...
    • Efficient LDO-Assisted DC/DC buck converter for integrated power management system 

      Martínez García, Herminio (Universidad Miguel Hernández de Elche, 2016)
      Text en actes de congrés
      Accés obert
      DC-DC Switching Converters; Voltage Linear Regulators; Linear-Assisted DC-DC Voltage Regulators.
    • Enrichment of performance for output-capacitorless LDO voltage regulators 

      Martínez García, Herminio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This article presents the design of a 4.5-V, 450-mA low drop-out (LDO) voltage linear regulator based on a two-stage cascoded operational transconductance amplifier (OTA) as error amplifier. The aforementioned two-stage ...
    • Flexible control of power flow in multiterminal DC grids using DC-DC converter 

      Rouzbehi, Kumars; Candela García, José Ignacio; Luna Alloza, Álvaro; Gharehpetian, Gevorg B.; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2016-09-01)
      Article
      Accés obert
      This paper proposes an efficient control framework that utilizes dc-dc converters to achieve flexible power flow control in multiterminal dc (MTDC) grids. The dc-dc converter employed in this paper is connected in cascade ...
    • Fully-integrated CMOS LDO regulator based on an embedded current–mode capacitor multiplier 

      Saberkari, Alireza; Martínez García, Herminio; Fathipour, Rasoul; Alarcón Cot, Eduardo José (2015-04)
      Article
      Accés obert
    • 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 ...
    • Integrated power management system based on efficient LDO-assisted DC/DC buck converter 

      Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, a new structure based on linear-assisted DC-DC buck converter principle is proposed. Using a new class-AB LDO regulator instead of the conventional linear one (based on a push-pull output stage) in the hybrid ...
    • IPMSM torque control strategies based on LUTs and VCT feedback for robust control under machine parameter variations 

      Trancho, Elena; Ibarra Basabe, Edorta; Arias Pujol, Antoni; Salazar, Cristobal; Lopez, Iñigo; Diaz de Guereñu, A.; Peña, alberto (2016)
      Text en actes de congrés
      Accés obert
      In recent years, Interior Permanent Magnet Synchronous Machines (IPMSMs) have attracted a considerable attention in the scientific community and industry for Electric and Hybrid Electric Vehicle (HEV) propulsion systems. ...
    • Low-quiescent current class-AB CMOS LDO voltage regulator 

      Asefi, Saina; Saberkari, Alireza; Martinez-Garcia, H; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A low-quiescent current output-capacitorless class-AB CMOS low-dropout voltage regulator (LDO) capable to source/sink current to/from the load is presented, which is suitable for hybrid or linear-assisted structures utilized ...
    • Maximum current injection method for grid-forming inverters in an islanded microgrid subject to short circuits 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Velasco García, Manel; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis (2023-02-03)
      Article
      Accés obert
      In islanded microgrids, when a short circuit or a sudden overload occurs, it provokes an abrupt increment in the currents supplied by the generation nodes, which feed the load collaboratively. This is particularly challenging ...
    • Mitigation of voltage sags with electric-vehicle based microgrids in large parking lots 

      Castilla Fernández, Miguel; Miret Tomàs, Jaume; Borrell Sanz, Angel (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a real-time control strategy for electric-vehicle based microgrids to mitigate voltage sags in large parking lots. It is programmed into the digital processors of the battery chargers and consists on ...
    • Multilink DC transmission systems for supergrid future concepts and wind power integration 

      da Silva, Rodrigo; Teodorescu, Remus; Rodríguez Cortés, Pedro (Curran, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A possible methodology for the power sharing is based on DC voltage droop control at onshore station converters. The aim is to present an evaluation tool for the droop control parameter description in support of DC power ...
    • Negative-sequence voltage elimination for distributed generators in grid-feeding operation mode 

      Rey López, Juan Manuel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Velasco García, Manel; Martí Colom, Pau; Mojica Nava, Eduardo (2020-07-24)
      Article
      Accés obert
      A major concern of the power quality in distributed systems is related to the mitigation of voltage imbalances. This function can be implemented directly in the control system of the distributed generation power converters ...
    • On single-input dual-output (SIDO) DC/DC multi-port converters for DC microgrid applications 

      Martínez García, Herminio; García Vílchez, Encarnación (2023-07-01)
      Article
      Accés obert
      This paper proposes the use of linear-assisted switching power converters in the context of single-inductor dual-output (SIDO) for microgrids (MG) applications. By combining a DC/DC ripple-controlled switching power converter ...
    • On single-input dual-output (SIDO) DC/DC multi-port converters for DC microgrid applications 

      Martínez García, Herminio (AEDERMACP (European Association for the Development of Renewable Energies and Power Quality), 2023)
      Comunicació de congrés
      Accés obert
      This paper proposes the use of linear-assisted switching power converters in the context of single-inductor dual-output (SIDO) for microgrids (MG) applications. By combining a DC/DC ripple-controlled switching power converter ...
    • Optimizing voltage support using electric vehicles in an islanded microgrid under voltage sags 

      Miret Tomàs, Jaume; Castilla Fernández, Miguel; Borrell Sanz, Àngel (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The number of electric vehicles connected to the grid is growing constantly due to environmental and regulatory issues. Using these connected vehicles as distributed generators is a promising future functionality, known ...
    • Pairing grid-forming VSC filter topologies with voltage control structures 

      Girona Badia, Jaume; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Elsevier, 2024-01)
      Article
      Accés obert
      This paper focuses on the voltage control of grid-forming Voltage Source Converters (VSCs) connected to AC networks. The work aims to identify the best pairing between voltage control structures and usual ac filter topologies. ...
    • Parameter-independent battery control based on series and parallel impedance emulation 

      Urtasun, Andoni; Sanchis Gúrpide, Pablo; Guinjoan Gispert, Francisco; Marroyo Palomo, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2019-05-29)
      Article
      Accés obert
      Appropriate voltage control is essential in order to extend the useful life of a battery. However, when universal chargers are used, the design of this control becomes more complicated, given the fact that the battery ...