Exploració per tema "Inverters"

Ara es mostren els items 1-20 de 20

    • Acoustic wave transversal filter for 5G N77 band 

      Mateu Mateu, Jordi; Yusuf, Yazid; Perea Robles, Rafael; Collado Gómez, Juan Carlos; Gimenez, Alfred; Martín Iglesias, Petronilo; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2021-10-01)
      Article
      Accés obert
      This work presents the complete synthesis procedure and circuit transformations needed to go from the characteristic polynomials to the transversal network formed by electroacoustic resonators. This filter topology allows ...

    • Boolean decomposition using two-literal divisors 

      Modi, Nilesh A.; Cortadella, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2004)
      Text en actes de congrés
      Accés obert
      This paper is an attempt to answer the following question: how much improvement can be obtained in logic decomposition by using Boolean divisors? Traditionally, the existence of too many Boolean divisors has been the main ...

    • Communications concerns for reused electric vehicle batteries in smart grids 

      Canals Casals, Lluc; Amante García, Beatriz (2016-09-16)
      Article
      Accés obert
      Electric vehicles use 10 to 25 kWh batteries. After their use in cars, these batteries are still in good condition to be used for energy storage in stationary applications and smart grid systems at all stages: generation, ...

    • Control de convertidores para la reducción de armónicos en sistemas de generación distribuida 

      Montoya Calasanz, Pablo Isaac (Universitat Politècnica de Catalunya, 2018-12-19)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      [CASTELLÀ] Las Redes Eléctricas necesitan cada vez más la incorporación de nuevas fuentes generadoras de energía renovable y limpia para suplir la demanda sin causar mayor impacto al medioambiente. Entre las fuentes de ...

    • Control scheme of three level NPC inverter for integration of renewable energy resources into AC grid 

      Pouresmaeil, Edris; Montesinos Miracle, Daniel; Gomis Bellmunt, Oriol (2012-06)
      Article
      Accés restringit per política de l'editorial
      This paper presents a multiobjective control scheme based on the dynamic model of three-level, neutral-point-clamped voltage source inverter for integration of distributed generation (DG) resources based on renewable energy ...

    • Control strategy for grid-connected three-phase inverters during voltage sags to meet grid codes and to maximize power delivery capability 

      Garnica López, Miguel Andrés; García de Vicuña Muñoz de la Nava, José Luis; Miret Tomàs, Jaume; Castilla Fernández, Miguel; Guzmán Solà, Ramon (2018-01-12)
      Article
      Accés obert
      Inverter-based distributed generation plays a vital role in the stability and reliability of new power systems. Under voltage sags, these systems must remain connected to the electrical network according to the stringent ...

    • Design and implementation of a 5/spl times/5 trits multiplier in a quasi-adiabatic ternary CMOS logic 

      Mateo Peña, Diego; Rubio Sola, Jose Antonio (1998-07)
      Article
      Accés obert
      Adiabatic switching is a technique to design low-power digital IC's. Fully adiabatic logics have expensive silicon area requirements. To solve this drawback, a quasi-adiabatic ternary logic is proposed. Its basis is ...

    • 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 ...

    • 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 ...

    • Interleaving quasi-sliding-mode control of parallel-connected buck-based inverters 

      Ramos Lara, Rafael Ramón; Biel Solé, Domingo; Fossas Colet, Enric; Guinjoan Gispert, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2008-11)
      Article
      Accés obert
      An interleaving fixed-switching-frequency quasi-sliding control algorithm based on the zero average dynamics approach is reported and applied to the design of a modular system of parallel-connected single-phase inverters. ...

    • Positive and Negative Sequence Control Strategies to Maximize the Voltage Support in Resistive-Inductive Grids During Grid Faults 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon (2017-07-27)
      Article
      Accés obert
      Grid faults are one of the most severe perturbations in power systems. During these extreme disturbances, the reliability of the grid is compromised and the risk of a power outage is increased. To prevent this issue, ...

    • Power station for large scale photovoltaic power plants 

      Verdugo Retamal, Cristian Andrés; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Most of the large scale photovoltaic power plants (LS-PVPP) count on power converters with a central configuration. Advantages such as robustness, low maintenance and installation cost makes this configuration the preferred ...

    • Prebond testing of weak defects in TSVs 

      Arumi Delgado, Daniel; Rodríguez Montañés, Rosa; Figueras Pàmies, Joan (2015-08-07)
      Article
      Accés restringit per política de l'editorial
      Through-silicon vias (TSVs) are critical elements in 3-D integrated circuits susceptible to defects during fabrication and lifetime. It is desirable to detect defective TSVs in the early steps of the fabrication process ...

    • Projecte I+D STORM 

      Torres Garzo, Carles (Universitat Politècnica de Catalunya, 2020-10-27)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Àliter Group
      Aquest treball fet per a Àliter Group tracta sobre el desenvolupament de STORM, un dispositiu capaç de gestionar una central elèctrica fotovoltaica amb capacitat d'emmagatzemar energia sobrant en bateries o soplir energia ...

    • Reactive current injection protocol for low-power rating distributed generation sources under voltage sags 

      Miret Tomàs, Jaume; Camacho Santiago, Antonio; Castilla Fernández, Miguel; García de Vicuña Muñoz de la Nava, José Luis; Hoz Casas, Jordi de la (2015-06-01)
      Article
      Accés obert
      Voltage sags are one of the main problems in transmission and distribution networks. This study proposes a voltage support control scheme for grid-connected low-power rating inverters under voltage sags. Voltage support ...

    • Regenerative braking in electric scooters 

      Montesinos Miracle, Daniel; Ruiz Bassols, Toni (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Electric urban vehicles are in the spotlight of society since its autonomy dependence is not that high. Electric motorcycles and scooters are actually already reliable urban vehicles for short journeys. These vehicles can ...

    • Remote multi-nodal voltage unbalance compensation in islanded AC microgrids 

      Duarte Mejia, Josue Neftali; Velasco García, Manel; Martí Colom, Pau; Borrell Sanz, Ángel; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2024-03)
      Article
      Accés restringit per política de l'editorial
      Microgrids (MG) are exposed to voltage quality deterioration due to the presence of voltage unbalance. To deal with this problem, existing solutions based on Distributed Generation (DG) units interfaced by power electronics ...

    • Técnicas de control avanzadas para la mejora de la operación de convertidores VSI conectados a la red eléctrica 

      Orellana Barceló, Marcos; Griñó Cubero, Robert (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      El objetivo principal de esta tesis doctoral es el desarrollo de una metodología para la concepción de controladores de tiempo discreto especialmente diseñ~ados para mejorar la operación de convertidores VSI conectados a ...

    • Variable structure control for three-phase LCL-filtered inverters using a reduced converter model 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Hoz Casas, Jordi de la (Institute of Electrical and Electronics Engineers (IEEE), 2017-06-16)
      Article
      Accés obert
      This paper presents a new concept in active damping techniques using a reduced model of a LCL-filtered grid connected inverter. The presence of the LCL filter complicates the design of the inverter control scheme, particularly ...

    • Voltage recovery influence on three-phase grid-connected inverters under voltage sags 

      Rolán Blanco, Alejandro; Giménez, Pablo; Yague, Sauro J.; Bogarra Rodríguez, Santiago; Saura Perisé, Jaime; Bakkar, Mostafa (2019-02-12)
      Article
      Accés obert
      Faults in power systems cause voltage sags, which, in turn, provoke large current peaks in grid-connected equipment. Then, a complete knowledge of the inverter behaviour is needed to meet fault ride-through capability. The ...