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Ara es mostren els items 52911-52930 de 245593

    • 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 distribution in HTSC tapes obtained by inverse problem calculation 

      Carrera, Miquel; Granados García, Xavier; Amorós Torrent, Jaume; Maynou Gil, Roger; Puig Molina, Teresa; Obradors Berenguer, Xavier (Institute of Physics (IOP), 2010)
      Article
      Accés obert
      The development of SC devices based on HTSC tapes requires a deep knowledge of the current distribution in both pre-saturation and post-saturation regimes. Magnetic measurements have shown the possibilities ...

    • Current distributions in wide YBCO tapes 

      Carrera, Miquel; Granados García, Xavier; Amorós Torrent, Jaume; Puig Molina, Teresa; Obradors Berenguer, Xavier (Elsevier, 2012)
      Article
      Accés obert
      The need of a better mechanical behaviour and the stabilization of coated conductors for applications, as Magnets, cables or Fault Current Limiters, has motivated the lamination of tapes with stainless steel or copper ...

    • Current flow controlling hybrid DC circuit breaker 

      Mokberdoran, Ataollah; Gomis Bellmunt, Oriol; Silva, Nuno; Carvalho, Adriano (2018-02)
      Article
      Accés obert
      This paper proposes a new device by combining features of an interline dual H-bridge current flow controller with the core idea of a hybrid HVdc circuit breaker for meshed HVdc grid application. The proposed device can ...

    • 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 Incidence and risk factors of fecal incontinence after acute stroke affecting functionally independent people 

      Lucente, Giuseppe; Corral Rubio, Javier; Esparragoza, Luis Rodríguez; Castañer Llanes, Sara; Ortiz Valencia, Héctor; Luengo Piqueras, Anna; Broto, Joaquim; Hernández Pérez, María; Domenech, Sira; Martínez Piñeiro, Alicia; Serra Pueyo, Jordi; Almendrote Muñoz, Miriam; Parés Martínez, David; Millán Torné, Mònica (2021-11-01)
      Article
      Accés obert
      Background: Previously published retrospective series show a high prevalence of fecal incontinence (FI) in stroke patients. We aimed to analyze in a prospective series the current incidence of FI in acute stroke in ...

    • Current knowledge about physical properties of innovative probiotic spray-dried powders produced with lactose-free milk and prebiotics 

      Dantas, Adriana; Hernández Yáñez, Eduard; Verruck, Silvani; Marchesan Maran, Bruna; Murakami, Fabio; Borges de Avila Junior, Lindiomar; Maduro de Campos, Carlos; Machado, Maria Helena; Prudêncio, Elane Schwinden (Elsevier, 2021-11)
      Article
      Accés obert
      Lactose-free probiotic powders were obtained by mixing Bifidobacterium BB-12 suspensions with lactose-free milk powder or lactose-free milk powder and prebiotics (inulin or oligofructose). A thorough investigation was ...

    • Current modulation induced stability in laser diode under high optical feedback strength 

      Jha, Ajit; Kumar Shah, Manoj; Jha, Sachin; Reddy Cenkeramaddi, Linga; Royo Royo, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
      Article
      Accés obert
      The back-reflection of emitted laser beam (optical feedback, also know as selfmixing) from various external interfaces are sufficient to cause instability, and prohibiting its use in various fields such as communication, ...

    • Current perspectives on the hormonal control of seed development in Arabidopsis and maize: a focus on auxin. 

      Locascio, Antonella; Roig Villanova, Irma; Bernardi, Jamila; Varotto, Serena (2014)
      Article
      Accés obert
      The seed represents the unit of reproduction of flowering plants, capable of developing into another plant, and to ensure the survival of the species under unfavorable environmental conditions. It is composed of three ...

    • Current practice in climate service visualization: taking the pulse of the providers’ community 

      Terrado, Marta; Calvo, Luz; Bojovic, Dragana; Christel, Isadora (American Meteorological Society, 2022-03)
      Article
      Accés obert
      Climateurope Workshop on the Visualization of Climate Services Barcelona Supercomputing Center’s (BSC) Earth Sciences Department organized the workshop in the framework of the Horizon 2020–funded Coordination and Support ...

    • 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 source for LED drivers based on a linear-assisted DC/DC regulator 

      Martínez García, Herminio (2017)
      Text en actes de congrés
      Accés obert
      This article presents a proposal of current source based on a linear-assisted DC/DC converter, in which a linear voltage regulator assists a switching DC/DC converter in order to obtain a compact circuit with advantages ...

    • Current state of cold atmospheric plasma and cancer-immunity cycle: therapeutic relevance and overcoming clinical limitations using hydrogels 

      Zivanic, Milica; Espona Noguera, Albert; Lin, Abraham; Canal Barnils, Cristina (John Wiley & sons, 2023-01-20)
      Article
      Accés obert
      Realitzat a/amb:   Universiteit Antwerpen
      Cold atmospheric plasma (CAP) is a partially ionized gas that gains attention as a well-tolerated cancer treatment that can enhance anti-tumor immune responses, which are important for durable therapeutic effects. This ...

    • 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 ...