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Ara es mostren els items 23-42 de 97

    • Effect of annealing atmosphere in the properties of GaAs layers deposited by sputtering techniques on Si substrates 

      Galiana, Beatriz; Silvestre Bergés, Santiago; Algora, C.; Rey-Stolle, I (2013-10)
      Article
      Accés restringit per política de l'editorial
      This work reports changes in the structural properties of sputtered GaAs layers deposited on Si (100) substrates induced by thermal annealing under different arsine atmospheres. The effects of the AsH3 partial pressure (P ...

    • Efficient fault detection and diagnosis procedure for photovoltaic systems 

      Garoudja, Elyes; KARA, KAMEL; Chouder, Aissa; Silvestre Bergés, Santiago; Kichou, Sofiane (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper proposes a simple method to detect and diagnose short circuits and open circuits faults in photovoltaic (PV) systems based on the evaluation of three coefficients. The proposed method consists fundamentally on ...

    • El mundo Internet of Things (IoT) 

      Salazar Soler, Jorge; Silvestre Bergés, Santiago (Ceské vysoké ucení technické v Praze Fakulta elektrotechnická, 2019-12-31)
      Llibre
      Accés obert
      Se describe el mundo del Internet de las Cosas (IoT). Se introducen las principales tecnologías involucradas en el uso de IoT. Se describen también los dispositivos y plataformas IoT. Finalmente, se muestra una lista de ...

    • ENERGIA SOLAR FOTOVOLTAICA (1r quadrimestre) 

      Silvestre Bergés, Santiago; Guinjoan Gispert, Francisco (Universitat Politècnica de Catalunya, 2019-01-15)
      Examen
      Accés restringit a la comunitat UPC

    • Epicentre Núm. 1 : butlletí de notícies de l'Institut de Ciències de l'Educació 

      Llorens García, Ariadna; Quiñones Ruiz, Jose Miguel; Prat Farran, Joana d'Arc; Silvestre Bergés, Santiago (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2019-05)
      Número de revista
      Accés obert

    • Estimating the impact of azimuth-angle variations on photovoltaic annual energy production 

      Dhimish, Mahmoud; Silvestre Bergés, Santiago (2019-02-06)
      Article
      Accés obert
      The performance of a photovoltaic (PV) installation is affected by its tilt and azimuth angles, because these parameters change the amount of solar energy absorbed by the surface of the PV modules. Therefore, this paper ...

    • Evaluation of the performance and degradation of crystalline silicon-based photovoltaic modules in the Saharan environment 

      Silvestre Bergés, Santiago; Tahri, Ali; Tahri, Fatima; Benlebna, Soumiya; Chouder, Aissa (2018-06-01)
      Article
      Accés obert
      The aim of this paper is to present three years of an evaluation of the performance and degradation rate of three different crystalline silicon-based photovoltaic (PV) modules in the Saharan environment. The PV modules ...

    • Examen Final 

      Chávez Domínguez, Juan Antonio; Silvestre Bergés, Santiago (Universitat Politècnica de Catalunya, 2013-06-10)
      Examen
      Accés restringit a la comunitat UPC

    • Examen Final 

      Pol Fernández, Clemente; Garcies Salvà, Pau; Turó Peroy, Antonio; Silvestre Bergés, Santiago (Universitat Politècnica de Catalunya, 2016-06-02)
      Examen
      Accés restringit a la comunitat UPC

    • Examen Final 

      Chávez Domínguez, Juan Antonio; Silvestre Bergés, Santiago (Universitat Politècnica de Catalunya, 2014-01-10)
      Examen
      Accés restringit a la comunitat UPC

    • Examen Final 

      Silvestre Bergés, Santiago; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio (Universitat Politècnica de Catalunya, 2014-06-19)
      Examen
      Accés restringit a la comunitat UPC

    • Fault detection and automatic supervision methodology for PV systems 

      Silvestre Bergés, Santiago; Chouder, Aissa (2010)
      Text en actes de congrés
      Accés obert
      In this work, we show a new methodology for automatic supervision and fault detection of PV Systems, based mainly on the analysis of the power losses. This methodology includes parameter extraction techniques to calculate ...

    • Fault detection and diagnosis of a photovoltaic system based on deep learning using the combination of a Convolutional Neural Network (CNN) and Bidirectional Gated Recurrent Unit (Bi-GRU) 

      Faris Amiri, Ahmed; Kichou, Sofiane; Oudira, Houcine; Chouder, Aissa; Silvestre Bergés, Santiago (Multidisciplinary Digital Publishing Institute (MDPI), 2024-01-24)
      Article
      Accés obert
      The meticulous monitoring and diagnosis of faults in photovoltaic (PV) systems enhances their reliability and facilitates a smooth transition to sustainable energy. This paper introduces a novel application of deep learning ...

    • Global MPPT scheme for photovoltaic string inverters based on restricted voltage window search algorithm 

      Boztepe, Mutlu; Guinjoan Gispert, Francisco; Velasco Quesada, Guillermo; Silvestre Bergés, Santiago; Chouder, Aissa; Karatepe, Engin (Institute of Electrical and Electronics Engineers (IEEE), 2014-07-01)
      Article
      Accés restringit per política de l'editorial
      String inverter photovoltaic (PV) systems with bypass diodes require improved global maximum power point tracking (GMPPT) algorithms to effectively reach the absolute maximum power operating point. Several GMPPT algorithms ...

    • Green energy 

      Silvestre Bergés, Santiago; Salazar Soler, Jorge (Czech Technical University, 2021-10-01)
      Llibre
      Accés obert
      This book descrives main characteristics and applications of most relevant sources of renewable energies as hydroelectric, wind and geothermal energies, biomass, and photovoltaic solar energy.

    • Heat flow dynamics in thermal systems described by diffusive representation 

      Domínguez Pumar, Manuel; Atienza García, María Teresa; Kowalski, Lukasz; Novio Vázquez, Santiago; Gorreta Mariné, Sergio; Jiménez Serres, Vicente; Silvestre Bergés, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2016-09-01)
      Article
      Accés obert
      The objective of this paper is to analyze the dynamics of heat flow in thermal structures working under constant temperature operation. This analysis is made using the tools of sliding mode controllers. The theory is ...

    • Heterojunction diodes and solar cells fabricated by sputtering of GaAs on single crystalline Si 

      Silvestre Bergés, Santiago; Boronat Moreiro, Alfredo (2015-04-23)
      Article
      Accés obert
      This work reports fabrication details of heterojunction diodes and solar cells obtained by sputter deposition of amorphous GaAs on p-doped single crystalline Si. The effects of two additional process steps were investigated: ...

    • High voltage ultrathin-photovoltaic minimodules: fabrication technology and application to bioimplantable telesupplying 

      Bermejo Broto, Sandra; Silvestre Bergés, Santiago; Ortega Villasclaras, Pablo Rafael (2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial

    • High voltage ultrathin-photovoltaic minimodules: fabrication technology and application to bioimplantable telesupplying 

      Bermejo Broto, Sandra; Silvestre Bergés, Santiago; Ortega Villasclaras, Pablo Rafael (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      In this work we show small (0.49 cm2) and thin (<70 µm) photovoltaic mini-generators capable of providing open circuit voltages up to 99 V and short circuit currents of 43 µA, achieving a maximum density power of 4.8 mW/cm2. ...

    • HIT intermediate-band solar cells with self-assembled colloidal quantum dots and metal nanoparticles 

      Tobias, Ignacio; Mendes, Manuel; Boronat Moreiro, Alfredo; Lopez, Ester; garcia linares, pablo; Artacho, Irene; Martí, Antonio; Silvestre Bergés, Santiago; Luque, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The particular opto-electronic properties of chemically synthesized colloidal nanoparticles can be promising for functional materials, as those required for high efficient photovoltaic (PV) devices. In particular, ...