Ara es mostren els items 21-37 de 37

    • LDO regulator with no external capacitor for power management applications 

      Martínez García, Herminio; García Vílchez, Encarnación (2020)
      Text en actes 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 two-stage cascoded operational transconductance amplifier (OTA) as error amplifier. The aforementioned ...
    • Low drop-out voltage regulator as a candidate topology for photovoltaic solar facilities 

      Martínez García, Herminio; García Vílchez, Encarnación (Cambridge Scholars Publishing, 2020)
      Capítol de llibre
      Accés obert
      This chapter presents a design for a 4.5-V, 450-mA low drop-out (LDO) linear voltage regulator based on a two-stage cascode operational transconductance amplifier (OTA) as an error amplifier for photovoltaic solar DC-DC ...
    • Medida y monitorización para agricultura inteligente 

      Martínez García, Herminio; López Chacón, Rebeca; García Vílchez, Encarnación (2019)
      Comunicació de congrés
      Accés obert
      l presente artículo presenta las principales características del diseño, desarrollo e implementación de dos prototipos llevados a cabo para la monitorización de parámetros climatológicos y ambientales, así como del suelo, ...
    • Mejora del factor de potencia en microcentrales hidroeléctricas por conmutación simétrica de un rectificador trifásico o convertidor AC/AC 

      Bory Prevez, Henry; Martínez García, Herminio; García Vílchez, Encarnación (2019)
      Comunicació de congrés
      Accés obert
      En el presente artículo se realiza el análisis de un rectificador trifásico tipo puente con un interruptor en serie con la carga conmutado con ángulo simétrico. Para dicho análisis se trabajan con una serie de índices como ...
    • Mineralogical characterization of dolomitic aggregate concrete: the Camarasa Dam (Catalonia, Spain) 

      García Vílchez, Encarnación; Alfonso Abella, María Pura; Tauler Ferré, Esperança (2020)
      Article
      Accés obert
      The Camarasa Dam was built in 1920 using dolomitic aggregate and Portland cement with two different compositions: type A (dolomite and Portland cement) and type B (dolomite and sand-cement). The sand cement was a finely ...
    • Non-external capacitor LDO regulator for power management applications 

      Martínez García, Herminio; García Vílchez, Encarnación (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes 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 two-stage cascoded operational transconductance amplifier (OTA) as error amplifier. The aforementioned ...
    • 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 ...
    • Optimization of a microgrid integrated with enewable energies with PSO 

      Salehi, Navid; Martínez García, Herminio; Velasco Quesada, Guillermo; García Vílchez, Encarnación (2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Nowadays, microgrids (MGs) play a crucial role in modern power systems due to possibility of integrating renewable energies into the MG system. It is expected in near future collaborating microgrids as a community has a ...
    • Optimization of a microgrid integrated with renewable energies using PSO 

      Salehi, Navid; Martínez García, Herminio; Velasco Quesada, Guillermo; García Vílchez, Encarnación (E3S Web of Conferences, 2020)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Nowadays, microgrids (MGs) play a crucial role in modern power systems due to possibility of integrating renewable energies into the MG system. It is expected in near future collaborating microgrids as a community has a ...
    • Parametric filter with programmability for data acquisition 

      Martínez García, Herminio; García Vílchez, Encarnación (2020)
      Text en actes de congrés
      Accés obert
      Audio filtering systems are used in commercial applications involving equalizers. However, some of the topologies used can be modified to be used in audio signal treatment applications. Parametric filter topologies allow ...
    • PBL activity as link element in the bachelor’s degree in industrial electronics and automation engineering 

      Martínez García, Herminio; García Vílchez, Encarnación (Universitat Politècnica de Catalunya, 2022-09)
      Text en actes de congrés
      Accés obert
      This paper describes the experience carried out within the Bachelor's Degree in Industrial Electronics and Automation Engineering taught at the Eastern Barcelona School of Engineering (EEBE) of the Technical University of ...
    • Plataforma docente para el estudio de los sistemas de recolección de energía (energy harvesting) en los grados de Ingeniería 

      Martínez García, Herminio; García Vílchez, Encarnación (2020)
      Text en actes de congrés
      Accés obert
      El presente artículo presenta el diseño e implementación física de una plataforma docente recolectora y acondicionadora de energía práctica para aplicaciones de energy harvesting. Concretamente, muestra la realización de ...
    • Power-based equivalent-modeling circuit for DC linear time-invariant resistive one-port networks 

      Martínez García, Herminio; García Vílchez, Encarnación (Institute of Electrical and Electronics Engineers (IEEE), 2021-02-05)
      Article
      Accés obert
      This paper introduces a new equivalent circuit for linear DC networks containing independent voltage and/or current sources and resistors, which represents all internal losses. Since the equivalent-modeling proposal does ...
    • Programmable-parametric filter with data acquisition 

      Martínez García, Herminio; García Vílchez, Encarnación (2019)
      Text en actes de congrés
      Accés obert
      Audio filtering systems are used in commercial applications involving equalizers. However, some of the topologies used can be modified to be used in audio signal treatment applications. Parametric filter topologies allow ...
    • The inclusion of power gyrator topologies as energy processing cells in photovoltaic solar conversion 

      Martínez García, Herminio; García Vílchez, Encarnación (2021-09-01)
      Article
      Accés obert
      This paper will provide a classification of high efficiency switching power-gyrator structures and their use as cells for energy processing in photovoltaic solar facilities. Having into account the properties of these ...
    • The inclusion of power gyrator topologies as energy processing cells in photovoltaic solar conversion 

      Martínez García, Herminio; García Vílchez, Encarnación (2021)
      Text en actes de congrés
      Accés obert
      This paper will provide a classification of high efficiency switching power-gyrator structures and their use as cells for energy processing in photovoltaic solar facilities. Having into account the properties of these ...
    • The use of symmetrical angle switched single- & 3-phase rectifiers in micro hydro power plants 

      Bory Prevez, Henry; Martínez García, Herminio; Vazquez Seisdedos, Luis; García Vílchez, Encarnación; Grau Saldes, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Comunicació de congrés
      Accés obert
      Micro-size hydro power plants (µHPPs) are commonly used at remote areas to supply islanded AC microgrids. A typical way to control grid frequency is to manipulate active power dissipated in ballast loads by AC/AC converters. ...