Ara es mostren els items 22925-22944 de 96382

  • Currency management system: a distributed banking service for the grid 

    León Gutiérrez, Xavier; Navarro Moldes, Leandro (2007-07)
    Comunicació de congrés
    Accés obert
    Market based resource allocation mechanisms require mechanisms to regulate and manage the usage of traded resources. One mechanism to control this is the definition of some kind of currency. Within this context, we have ...
  • Current balancing strategy in parallel-connected legs of power inverters 

    Pou Félix, Josep; Zaragoza Bertomeu, Jordi; Capellá Frau, Gabriel José; Gabiola, Igor; Salvador, Ceballos; Robles Sestafe, Eider (EPE Association, 2009-10-31)
    Comunicació de congrés
    Accés obert
    The parallel connection of inverter legs is a way to increase the output currents and thus the converter rated power. The connection is made by inductors and a critical issue is to achieve balanced currents among the legs. ...
  • Current control design for three-phase grid-connected inverters using a pole placement technique based on numerical models 

    Citro, Costantino; Gavriluta, Catalin; Nizak Md, H. K.; Beltran, H. (2012)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    This paper presents a design procedure for linear current controllers of three-phase grid-connected inverters. The proposed method consists in deriving a numerical model of the converter by using software simulations and ...
  • Current control method for distributed generation power generation plants under grid fault conditions 

    Rodríguez Cortés, Pedro; Luna Alloza, Álvaro; Hermoso Costa, Juan Ramón; Etxeberria Otadui, Ion; Teodorescu, Remus; Blaabjerg, Frede (IEEE Computer Society Publications, 2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The operation of distributed power generation systems under grid fault conditions is a key issue for the massive integration of renewable energy systems. Several studies have been conducted to improve the response of ...
  • Current Developments on Optical Feedback Interferometry as an All-Optical Sensor for Biomedical Applications 

    Perchoux, Julien; Quotb, Adam; Atashkhooei, Reza; Azcona Guerrero, Francisco Javier; Ramírez Miquet, Evelio E.; Bernal, Olivier; Jha, Ajit; Luna Arriaga, Antonio; Yáñez Alvarado, Carlos René; Caum Aregay, Jesús; Bosch, Thierry; Royo Royo, Santiago (2016-05-13)
    Article
    Accés obert
    Optical feedback interferometry (OFI) sensors are experiencing a consistent increase in their applications to biosensing due to their contactless nature, low cost and compactness, features that fit very well with current ...
  • Current harmonics cancellation in three-phase four-wire systems by using a four-branch star filtering topology 

    Rodríguez Cortés, Pedro; Candela García, José Ignacio; Luna Alloza, Álvaro; Asiminoaei, Lucian; Teodorescu, R.; Blaabjerg, F. (2009-08)
    Article
    Accés obert
    This paper presents a new solution for filtering current harmonics in three-phase four-wire networks. The original four-branch star (FBS) filter topology presented in this paper is characterized by a particular layout ...
  • Current improvement of a grid-connected photovoltaic system under unbalanced voltage conditions 

    Mirhosseini, Mitra; Pou Félix, Josep; Agelidis, Vassilios (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper discusses the performance of a large-scale grid-connected photovoltaic system (GCPS) under unbalanced voltage sag conditions in the grid. By applying the droop control to address the low-voltage-ride-through ...
  • Current research in lidar technology used for the remote sensing of atmospheric aerosols 

    Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël (MDPI AG, 2017-06-20)
    Article
    Accés obert
    Lidars are active optical remote sensing instruments with unique capabilities for atmospheric sounding. A manifold of atmospheric variables can be profiled using different types of lidar: concentration of species, wind ...
  • Current sharing control strategy for IGBTs connected in parallel 

    Pérez Delgado, Raul; Velasco Quesada, Guillermo; Román Lumbreras, Manuel (2016-03-01)
    Article
    Accés obert
    This work focuses on current sharing between punch-through insulated gate bipolar transistors (IGBTs) connected in parallel and evaluates the mechanisms that allow overall current balancing. Two different control strategies ...
  • Current situation and countermeasures of port logistics park information construction 

    Liu, Zhen; Li, Ya; Dai, Wei; Zhang, Runtong (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-04)
    Article
    Accés obert
    Purpose: Improve work efficiency of logistics park department, and drive the economy of the park and its surrounding areas. Design/methodology/approach: Analyze the information development situation and existent questions ...
  • Current status and challenges of biohydrogels for applications as supercapacitors and secondary batteries 

    Armelín Diggroc, Elaine Aparecida; Pérez Madrigal, Maria del Mar; Alemán Llansó, Carlos; Díaz Díaz, David (Royal Society of Chemistry, 2016-05-03)
    Article
    Accés obert
    Progress in the chemical sciences has formed the world we live in, both on a macroscopic and on a nanoscopic scale. The last decade witnessed the development of high performance materials that storage charge on many ways, ...
  • Current status and trends of the environmental performance in European ports 

    Puig Duran, Martí; Wooldridge, Chris; Michail, Antonis; Darbra Roman, Rosa Maria (2015)
    Article
    Accés obert
    This paper investigates the current status and trends over time in the environmental performance of European ports. The research is based on the provision of data from 79 European ports on issues related to their environmental ...
  • Current status of the 12 MeV UPC race-track microtron 

    Koubychine Merkulov, Youri Alexandrovich; Berenguer Sau, Jordi; Crisol, A; Gonzalez, Xavier; Montoro López, Gabriel; Rigla Perez, Juan Pablo; Roure Fernández, Francisco; Carrillo, David; Garcia-Tabares, Luis; Toral, F; Lucas, J; Aloev, A.V.; Shvedunov, V.I. (2009)
    Comunicació de congrés
    Accés obert
    A com­pact race-track mi­crotron (RTM) with the max­i­mal out­put en­er­gy 12 MeV is under con­struc­tion at the Uni­ver­si­tat Politècnica de Catalun­ya (UPC) in col­lab­o­ra­tion with the Sko­belt­syn In­sti­tute of ...
  • Current Topics on Risk Analysis: ICRA6 and RISK2015 Conference 

    Guillén, Montserrat; Juan Pérez, Ángel Alejandro; Ramalhino Lourenço, Helena; Serra Mochales, Isabel; Serrat Piè, Carles (2015)
    Llibre
    Accés obert
  • Current Topics on Risk Analysis: ICRA6 and RISK2015 Conference 

    Guillén, Montserrat; Juan Pérez, Ángel Alejandro; Ramalhino Lourenço, Helena; Serra Mochales, Isabel; Serrat Piè, Carles (Fundación MAPFRE, 2015-05)
    Llibre
    Accés obert
    Artículos presentados en la International Conference on Risk Analysis ICRA 6/RISK 2015, celebrada en Barcelona del 26 al 29 de mayo de 2015.
  • Current trends in free software research 

    Navarro Bosch, Ramon; Vila Marta, Sebastià (2009-02)
    Report de recerca
    Accés obert
    This report analyzes how scientific research is studying free software. We find which research is being done on free software by looking into scientific journals and conferences publications. The data thus obtained is ...
  • Current Trends of Topology Discovery in OpenFlow-based Software Defined Networks 

    Ochoa Aday, Leonardo; Cervelló Pastor, Cristina; Fernández Fernández, Adriana (2015-09)
    Report de recerca
    Accés obert
    The explosion of Internet services such as video on demand, big data, server virtualization and cloud services is among the trends driving the networking industry to change traditional network architectures to more flexible ...
  • Current-balancing technique for interleaved voltage source inverters with magnetically coupled legs connected in parallel 

    Capellá Frau, Gabriel José; Pou Félix, Josep; Ceballos Recio, Salvador; Zaragoza Bertomeu, Jordi; Agelidis, Vassilios (Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
    Article
    Accés obert
    Connecting legs in parallel in a voltage source inverter is a way to increase the output current and, thus, its rated power. The connection can be made using either coupled or uncoupled inductors, and achieving an even ...
  • Current-induced concentration polarization of interfaces between non-ideally perm-selective ion-exchange media and electrolyte solutions 

    Yaroshchuk, Andriy (2012-04-01)
    Article
    Accés restringit per política de l'editorial
    In non-ideally perm-selective ion-exchange media and/or nano-porous/nano-channel systems, ion transport numbers depend on the salt concentration. Under conditions of current-induced polarization, this concentration changes ...
  • Current-Mode One-Cycle Control Applied to Linear-Assisted DC/DC Converters 

    Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Martínez González, Rubén (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
    Text en actes de congrés
    Accés obert
    This article shows the proposal of an current-mode one-cycle control for linear-assisted DC/DC converters. Linearassisted DC/DC converters are structures that allow to take advantages of the two classic alternatives in the ...