Exploració per tema "Electric controllers"

Ara es mostren els items 1-20 de 30

    • A carrier based approach for overmodulation of three-level neutral point clamped inverter with zero neutral-point current 

      Maheshwari, RamKrishan; Munk-Nielsen, Stig; Busquets Monge, Sergio (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In a voltage source inverter, overmodulation is required to extend the range of operation and enhance the dclink voltage utilization. A carrier-based implementation of a modulation strategy for the three-level ...

    • A new passive repetitive controller for discrete-time finite-frequency positive-real systems 

      Costa Castelló, Ramon; Wang, Danwei; Griñó Cubero, Robert (IEEE Control Systems Society, 2007)
      Text en actes de congrés
      Accés obert
      This work proposes a new repetitive controller for discrete-time finite-frequency positive-real systems which are required to track periodic references or to attenuate periodic disturbances. The main characteristic of the ...

    • A sliding mode control for a wound rotor synchronous generator with an isolated RL load 

      Muñoz Aguilar, Raúl Santiago; Dòria Cerezo, Arnau; Fossas Colet, Enric (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Comunicació de congrés
      Accés obert
      In this paper a sliding mode controller for the stator voltage amplitude of a stand-alone wound rotor synchronous generator is presented. The standard dq-model of the electrical machine connected to an isolated inductive ...

    • An active power self-synchronizing controller for grid-connected converters emulating inertia 

      Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Renewable energy sources are increasing their penetration in power systems, making necessary new control systems that offer services usually provided only by conventional generators. In this paper, an active power controller ...

    • Análisis y diseño de un controlador para un convertidor dc-dc tipo SEPIC 

      Valle Rodríguez, Jesús (Universitat Politècnica de Catalunya, 2014-06)
      Treball Final de Grau
      Accés obert
      Actualmente la sociedad se está concienciando cada vez más de la importancia y el alto coste que supone generar energía, y por ello, una buena gestión de la energía se está tornando un imperativo, haciendo de la electrónica ...

    • Avoiding overvoltage problems in three-phase distributed-generation systems during unbalanced voltage sags 

      Castilla Fernández, Miguel; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis (2020-02-01)
      Article
      Accés obert
      During voltage sags, distributed generation systems must fulfil specific grid-code requirements for reactive current injection. This ancillary service can produce overvoltage problems in networks operating in unbalanced ...

    • Complex pole placement control for a three-phase voltage source converter 

      Serra, Federico; Dòria Cerezo, Arnau; De Angelo, Cristian; Martín Fernández, L.L.; Bodson, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      In this work, a complex-valued controller for a three-phase VSC with an LC output filter is proposed. The system is first transformed into its complex representation with the consequent order reduction and simpler analysis. ...

    • Control digital d’un regulador de tensió multifase amb DSPIC 

      Martin Serrano, Sergi (Universitat Politècnica de Catalunya, 2009-07-06)
      Projecte/Treball Final de Carrera
      Accés obert
      Actualment existeix una demanda de sistemes d’alimentació amb prestacions dinàmiques elevades. Una de les topologies utilitzades son els reductors Multi Fase. D’altre banda, control digital també es posa de manifest ...

    • Control sense sensors d'un motor basat en Dspic 

      Rojo González, Daniel (Universitat Politècnica de Catalunya, 2013)
      Projecte/Treball Final de Carrera
      Accés obert
      Aquest projecte està destinat a generar un nou material docent per poder realitzar les pràctiques de laboratori de l’assignatura Enginyeria de Control, del Departament ESAII, ja que habitualment els sistemes físics sobre ...

    • Decoupled simultaneous complex power sharing and voltage regulation in islanded AC microgrids 

      Duarte Mejia, Josue Neftali; Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Alfaro Aragón, Carlos Arturo (Institute of Electrical and Electronics Engineers (IEEE), 2023-04)
      Article
      Accés restringit per política de l'editorial
      In islanded AC microgrids, when multiple voltage source inverters (VSIs) operate in parallel, it is challenging to simultaneously obtain both accurate complex (active and reactive) power sharing and voltage regulation (in ...

    • Design and implementation of a platform for a solar panel load regulator (Open Source) 

      Ferrer Guardia, Pau (Universitat Politècnica de Catalunya, 2022-07-07)
      Treball Final de Grau
      Accés obert
      This work deals with the study and design of solar panel charge regulators, which are responsible for mediating between the generated energy of photovoltaic panels and the loads to feed, in DC. Specifically, two typologies ...

    • Design and implementation of a voltage regulator for a driverless vehicle 

      Codina i Vilanova, Pol (Universitat Politècnica de Catalunya, 2020-10)
      Treball Final de Grau
      Accés obert
      Formula Student es una competición mundial en la que los estudiantes fabrican autos de carreras de tipo fórmula. El año pasado, el equipo Driverless UPC, formado por alumnos de la ETSEIB y la ETSETB, adaptó todos los ...

    • Direct current control for grid-connected diode-clamped inverters 

      Schaefer, Markus; Goetze, Wolf; Hofmann, Martin; Bayer, Fabian; Montesinos Miracle, Daniel; Ackva, Ansgar (Institute of Electrical and Electronics Engineers (IEEE), 2017-04-01)
      Article
      Accés obert
      The accurate control of the line current, robust and dynamic behavior even under distorted grids and other system faults are the most important requirements for grid-connected inverters. Applying direct current control to ...

    • Diseño y evaluación comparativa de controladores para sistemas fotovoltaicos monofásicos conectados a red 

      Mumbrú I Coma, Marta (Universitat Politècnica de Catalunya, 2023-07-03)
      Treball Final de Grau
      Accés obert
      This project focuses on the design of linear and non-linear controllers for a single-phase full-bridge photovoltaic (PV) inverter connected to the grid through two types of filters: L and LCL. Different simulation profiles ...

    • Enhanced control for improving the operation of grid-connected power converters under faulty and saturated conditions 

      Shahparasti, Mahdi; Catalán, Pedro; Fazlin Roslan, Nurul; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Luna Alloza, Álvaro (2018-02-28)
      Article
      Accés obert
      In renewable energy based systems Grid-Connected Voltage Source Converters (GC-VSC) are used in many applications as grid-feeding converters, which transfer the power coming from the renewable energy sources to the grid. ...

    • Enhanced performance controller for high power wind converters connected to weak grids 

      Shahparasti, Mahdi; Catalan, Pedro; García Quintanilla, José Ignacio; Candela García, José Ignacio; Tarraso Martínez, Andrés; Luna Alloza, Álvaro (2020-04-02)
      Article
      Accés obert
      This study proposes a control scheme for high power grid-connected wind power converters, which is oriented to enhance their performance when connected to weak grids with low short circuit ratio. The proposed controller ...

    • Fractional DC/DC converter in solar–powered electrical generation systems 

      Martínez, Rubén; Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (2010)
      Article
      Accés restringit per política de l'editorial
      This paper deals with the fractional modeling of a DC-DC buck-boost converter, suitable in solar-powered electrical generation systems, and the design of a fractional controller for the aforementioned switching converter. ...

    • Frequency and voltage partitioning in presence of renewable energy resources for power system (example: North Chile power network) 

      Mehrjerdi, H.; Al-Emadi, N. A.; Rakhshani, Elyas; Rodríguez Cortés, Pedro (2016)
      Text en actes de congrés
      Accés obert
      This paper investigates techniques for frequency and voltage partitioning of power network based on the graph-theory. These methods divide the power system into distinguished regions to avoid the spread of disturbances and ...

    • 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 ...

    • Modelización y estudio de reguladores de velocidad de diferentes tecnologías a partir de resultados experimentales 

      Bertran Albertí, Eduardo; Herranz Luis, Jaime; Munilla, I. (Asociación Española de Informática y Automática (AEIA), 1985)
      Text en actes de congrés
      Accés obert
      Se describen y modelan tres reguladores de velocidad de diferentes concepciones y tecnologías: El primero de turbina Kaplan y tecnología oleo-mecánica, los otros dos de turbinas Francis, uno oleo-mecánico y el otro ...