Exploració per tema "Electric inverters"

Ara es mostren els items 1-20 de 50

    • A 5LCHB Inverter for PV transformerless applications with reduced leakage ground current 

      Vázquez Guzman, Gerardo; Martinez Rodriguez, Panfilo R.; Verdin Cruz, Juan A.; Escobar Valderrama, Gerardo; Rolán Blanco, Alejandro; Langarica Cordoba, Diego; Iturriaga Medina, Samuel; Lopez Sarabia, Jorge L. (Institute of Electrical and Electronics Engineers (IEEE), 2022-11-04)
      Article
      Accés obert
      Transformerless inverters for photovoltaic systems are widely used as it features low cost, volume, and weight. Thus, in recent years, its study has been of great interest to the research community. In this paper a ...

    • A carrier-based PWM strategy with zero-sequence voltage injection for a three-level neutral-point-clamped converter 

      Pou Félix, Josep; Zaragoza Bertomeu, Jordi; Ceballos Recio, Salvador; Saeedifard, Maryam; Boroyevich, Dushan (Institute of Electrical and Electronics Engineers (IEEE), 2012-01-09)
      Article
      Accés restringit per política de l'editorial
      Performance of a carrier-based pulsewidth modulation (CB-PWM) strategy can be improved by the inclusion of a zero-sequence voltage in the modulation-reference signal. This paper proposes a new CB-PWM strategy for a three-level ...

    • AC/DC systems interconnected by power converters: Modelling and practical aspects 

      Arévalo Soler, Josep; Sánchez Sánchez, Enric; Gomis Bellmunt, Oriol; Prieto Araujo, Eduardo (2021)
      Text en actes de congrés
      Accés obert
      The paper addresses the modelling of AC/DC systems interconnected by power converters. A non-linear model including three AC subsystems and two multiterminal DC systems interconnected by power converters are modelled in ...

    • Active and reactive power strategies with peak current limitation for distributed generation inverters during unbalanced grid faults 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Borrell Sanz, Angel; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
      Article
      Accés obert
      Distributed generation inverters have become a key element to improve grid efficiency and reliability, particularly during grid faults. Under these severe perturbations, inverter-based power sources should accomplish ...

    • Active damping control for a three phase grid-connected inverter using sliding mode control 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Camacho Santiago, Antonio; Matas Alcalá, José; Castilla Fernández, Miguel; Miret Tomàs, Jaume (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper proposes a ne w active damping method based on virtual resistors for three-phase grid connected voltage source inverters (VSI) with LCL filter. The use of this filters is a standard solution to provide the ...

    • Air Turbine Rotational Speed Control of Oscillating-Water-Column Wave Energy Converters 

      Serejo Soares Branco, Francisco (Universitat Politècnica de Catalunya, 2020-11-09)
      Projecte Final de Màster Oficial
      Accés obert
      The Coronavirus disease 2019 pandemic occurred simultaneously with the development of the present work and led to the closure of all testing facilities in the faculty where this work was originally set to take place: ...

    • Common-mode voltage elimination in multilevel power inverter-based motor drive applications 

      Robles, Endika; Fernandez, Markel; Zaragoza Bertomeu, Jordi; Aretxabaleta, Iker; de Alegria, Iñigo Martinez; Andreu Larrañaga, Jon (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Article
      Accés obert
      The industry and academia are focusing their efforts on finding more efficient and reliable electrical machines and motor drives. However, many of the motors driven by pulse-width modulated converters face the recurring ...

    • Common-mode voltage mitigation in multiphase electric motor drive systems 

      Robles, Endika; Fernandez, Markel; Andreu Larrañaga, Jon; Ibarra Basabe, Edorta; Zaragoza Bertomeu, Jordi; Ugalde, Unai (2022-04)
      Article
      Accés obert
      Common-mode voltage (CMV) produces serious reliability and electromagnetic interference (EMI) issues in modern pulse-width modulated (PWM) electric drives. Such issues will become more prominent in the near future, as ...

    • Comparative analysis of SVM techniques for a five-phase VSI based on SiC devices 

      Acosta Cambranis, Fernando Geovany; Zaragoza Bertomeu, Jordi; Romeral Martínez, José Luis; Berbel Artal, Néstor (2020-12-14)
      Article
      Accés obert
      Multiphase systems provides benefits compared to three-phase systems, such as improved torque per ampere, high power density, better fault tolerance, lower current per phase (due to power-splitting among a higher number ...

    • Control convertidor dc-ac de 100kW 

      Olives Camps, Juan Carlos (Universitat Politècnica de Catalunya, 2013-12-17)
      Treball Final de Grau
      Accés obert
      [Castellà]: Este proyecto desarrolla un estudio y diseño de un inversor trifásico que trabaja como fuente de corriente conectado a red. Tanto a nivel de hardware (los elementos físicos necesarios para su funcionamiento) ...

    • Control en modo deslizante de un rectificador monofásico con un filtro LCL 

      Biel Solé, Domingo; Dòria Cerezo, Arnau; Fossas Colet, Enric (Universidad Politécnica de Madrid (UPM), 2013)
      Text en actes de congrés
      Accés obert
      En este artículo se presenta el análisis dinámico y el diseño de un controlador para un rectificador monofásico controlado con un filtro LCL. El algoritmo de control está basado en las técnicas de modos deslizantes que ...

    • Control of a three-phase active transformer integrating energy storage 

      Vidal León Romay, José David; Tarraso Martínez, Andrés; Candela García, José Ignacio; Rocabert Delgado, Joan; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2023-06-12)
      Article
      Accés obert
      The high penetration of distributed energy sources is changing the paradigm of electrical networks control and management. Nowadays, power conversion systems associated to green energy plants are not only required to deliver ...

    • Design of a Flexible DC to AC Converter and its Control Using Reinforcement Learning 

      Quintero Bermejo, Jorge (Universitat Politècnica de Catalunya, 2020-07-09)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   École polytechnique fédérale de Lausanne
      The use of DC to AC converters in renewable energy systems to transform direct to alternating current is necessary to couple these elements to the grid. In this project, a design for a DC to AC converter plant has been ...

    • Design of a Quasi-Z-Source inverter for PV application 

      Domínguez Amador, Genís (Universitat Politècnica de Catalunya, 2021-10-20)
      Projecte Final de Màster Oficial
      Accés obert
      In this thesis, a grid-connected PV system that uses a QZSI is studied, modelled and simulated using the Simulink module in the software Matlab, after conducting research on the electrical devices involved as well as on ...

    • Design of neutral-point voltage controller of a three-level NPC inverter with small DC-link capacitors 

      Maheshwari, RamKrishan; Munk-Nielsen, Stig; Busquets Monge, Sergio (IEEE Press. Institute of Electrical and Electronics Engineers, 2013)
      Article
      Accés restringit per política de l'editorial
      A neutral-point-clamped three-level inverter with small dc-link capacitors is presented in this paper. The inverter requires zero average neutral-point current for stable neutral–point voltage. The small dc-link capacitors ...

    • Design optimization of switching-cell-array-based power converters 

      Rafiezadeh, Roya; Busquets Monge, Sergio; Alepuz Menéndez, Salvador (2022)
      Text en actes de congrés
      Accés obert
      With the aim to increase standardization, reduce the cost, and obtain advanced performance features, the design of voltage-source power converter legs can be undertaken by combining several instances of a standard switching ...

    • Diseño de un controlador para el rechazo selectivo de armónicos de tensión en un inversor CC-CA 

      Malo Barragán, Shane Leonardo; Griñó Cubero, Robert (Benemérita Universidad Autónoma de Puebla, 2007)
      Text en actes de congrés
      Accés obert
      Los inversores cc-ca (corriente continua-corriente alterna) son necesarios en numerosas aplicaciones. El inversor cc-ca de puente completo ha sido tratado ampliamente tanto en aplicaciones industriales como en la literatura. ...

    • Diseño y realización de un convertidor multinivel cc-cc-ca en cascada para la conexión a red eléctrica de sistemas fotovoltaicos 

      Nicolás Apruzzese, Joan (Universitat Politècnica de Catalunya, 2008-09)
      Projecte/Treball Final de Carrera
      Accés obert
      El presente proyecto nace con la idea de mejorar el diseño la primera generación de PEBBs (Power Electronic Building Blocks o bloques constitutivos electrónicos de potencia) realizados en el PFC de Elena Argüelles. Un ...

    • Disseny i procés de validació d'un inversor per a Formula Student 

      Pla i Verge, Albert (Universitat Politècnica de Catalunya, 2022-07-06)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      En aquest document es fa un estudi al voltant dels convertidors CC-CA, més coneguts com a inversors, amb l’objectiu de dissenyar-ne un amb les característiques necessàries per a ser implementat en un monoplaça de la ...

    • Droop-free hierarchical control strategy for inverter-based AC microgrids 

      Rey, Juan M.; Vergara Barrios, Pedro P.; Castilla Fernández, Miguel; Camacho Santiago, Antonio; Velasco García, Manel; Martí Colom, Pau (2020-05-20)
      Article
      Accés obert
      Hierarchical schemes are widely used for the design of inverter-based AC microgrids control strategies. To ensure a reliable operation, hierarchical control must consider together all the functionalities that allow the ...