• Active control for medium-frequency transformers flux-balancing in a novel three-phase topology for cascaded conversion structures 

      Lumbreras Magallón, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Navarrete, Manuel; Balda Belzunegui, Julián; González Senosiain, Roberto Upna; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Efficiency and power density are important parameters in the design of power electronics converters. In many applications, low-frequency transformers are being substituted for medium-frequency and high-frequency transformers ...
    • Analysis of the main battery characterization techniques and experimental comparison of commercial 18650 Li-ion cells 

      Soto Cabria, Adrián Upna Orcid; Berrueta Irigoyen, Alberto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Over the coming years, major growth in the use of Li-ion batteries is expected, both in electric mobility as well as in stationary applications, be it in self-consumption systems and micro grids or in large renewable power ...
    • Applied method to model the thermal runaway of lithium-ion batteries 

      Lalinde Sainz, Iñaki; Berrueta Irigoyen, Alberto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The thermal runaway (TR) is one of the most dangerous phenomena related to lithium-ion batteries. For this reason, there are different proposals in the literature for its modelling. Most of these proposed models take into ...
    • Asymmetrical firing angle modulation for 12-pulse thyristor rectifiers supplying high-power electrolyzers 

      Iribarren Zabalegui, Álvaro Upna; Barrios Rípodas, Ernesto Upna Orcid; Elizondo Martínez, David Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper presents an asymmetrical firing angle modulation strategy for 12-pulse thyristor rectifiers aimed at supplying high-power electrolyzers, which allows to reduce the size of the passive filter and the static ...
    • Building global competencies: a strategic approach to internationalization of engineering education 

      Berrueta Irigoyen, Alberto Upna Orcid; Samanes Pascual, Javier Upna Orcid; Parra Laita, Íñigo de la Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (Eindhoven University of Technology and Fontys University of Applied Sciences, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      International mobility is an essential aspect of undergraduate education that enables students to acquire the necessary competences required by the European Higher Education Area (EHEA). However, small universities such ...
    • Characterization and capacity dispersion of lithium-ion second-life batteries from electric vehicles 

      Braco Sola, Elisa Upna; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Nowadays, electric vehicle batteries reutilization is considered such as a feasible alternative to recycling, as it allows to benefit from their remaining energy and to enlarge their lifetime. Stationary applications as ...
    • Comparison of State-of-Charge estimation methods for stationary Lithium-ion batteries 

      Berrueta Irigoyen, Alberto Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      An accurate monitoring of the State of Charge (SoC) is mandatory for an efficient management of a Lithium-ion battery. Batteries of stationary systems barely have long resting periods when the cumulative errors can be ...
    • Control strategy for an integrated photovoltaic-battery system 

      Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In photovoltaic-battery systems, more attention is usually paid to the MPPT control while the battery management is put aside. This paper proposes two control strategies for an integrated PV-battery system, both of them ...
    • Critical comparison of energy management algorithms for lithium-ion batteries in renewable power plants 

      Berrueta Irigoyen, Alberto Upna Orcid; Soto Cabria, Adrián Upna Orcid; García Solano, Miguel Upna Orcid; Parra Laita, Íñigo de la Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Lithium-ion batteries are gaining importance for a variety of applications due to their price decrease and characteristics improvement. A good energy management strategy is required in order to increase the profitability ...
    • DC capacitance reduction in photovoltaic inverters based on PV voltage feed-forward compensation 

      Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In the case of photovoltaic (PV) inverters, an adequate input voltage regulation is fundamental to maximize or limit the power. When employing the traditional control, the input capacitance requires to be oversized in order ...
    • DC capacitance reduction in three-phase photovoltaic inverters by using virtual impedance emulation 

      Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      DC voltage regulation in grid-connected three-phase PV inverters is a fundamental requirement. In order to reduce the influence of the PV non-linear behavior and ensure stability in the whole operating range, the input ...
    • Development of energy management strategies for the sizing of a fast charging station for electric buses 

      Ojer Palacios, Iñaki Upna; Berrueta Irigoyen, Alberto Upna Orcid; Pascual Miqueleiz, Julio María Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The electric vehicle contributes to reduce greenhouse gases emissions and get a greater integration of renewable energy. In this context, the implementation of urban buses implies the development of new grid infrastructures ...
    • Distributed opportunistic wireless mapping system towards smart city service provision 

      Villadangos Alonso, Jesús Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid; López Martín, Antonio Upna Orcid; Astrain Escola, José Javier Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Matías Maestro, Ignacio Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The knowledge of wireless signal distribution within an urban scenario can provide useful information to users as well as to enhance connectivity and device operation or to perform municipal logistics based on crowd density ...
    • Dynamic modeling and simulation of a pressurized alkaline water electrolyzer: a multiphysics approach 

      Iribarren Zabalegui, Álvaro Upna; Barrios Rípodas, Ernesto Upna Orcid; Ibaiondo, Harkaitz; Sánchez-Ruiz, Alain; Arza, Joseba; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper a dynamic model for the simulation of pressurized alkaline water electrolyzers is presented. The model has been developed following a multiphysics approach, integrating electrochemical, thermodynamic, heat ...
    • Effect of the inner current loop on the voltage regulation for three-phase photovoltaic inverters 

      Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In three-phase grid-connected PV inverters, regulating the input voltage is a fundamental requirement. In order to reduce the influence of the PV non-linear behavior and ensure stability in the whole operating range, the ...
    • Enhancing engineering competencies curricula in the context of university-industry chairs 

      Sanchis Gúrpide, Pablo Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Berrueta Irigoyen, Alberto Upna Orcid; Samanes Pascual, Javier Upna Orcid; Parra Laita, Íñigo de la Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid; Astrain Ulibarrena, David Upna Orcid; Goicoechea Fernández, Javier Upna Orcid (IEEE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      University-industry Chairs can play a key role to enhance the acquisition of certain curricular competencies of the Engineering Degrees such as teamwork capability, oral and written communication skills, entrepreneurship ...
    • The generalized bode criterion: application to the dc voltage control of a three-phase photovoltaic grid-tied inverter 

      Lumbreras Magallón, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      As renewable energies are becoming more important in the electrical generation system, power electronic converters are facing new design issues related not only to their components but also to their control loops. In this ...
    • Hydrogen educational activities developed by APERNA: a renewable-energy student association 

      Berrueta Irigoyen, Alberto Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Samanes Pascual, Javier Upna Orcid; Pascual Miqueleiz, Julio María Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Parra Laita, Íñigo de la Upna Orcid; Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (Asociación Española del Hidrógeno, 2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, we present APERNA, a recently-created student association at Public University of Navarre (UPNA) with the aim of promotion of renewable energies.
    • Hydrogen-lithium energy storage for a stand-alone microgrid 

      Berrueta Irigoyen, Alberto Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Sizing of the storage system for a stand-alone application: Satisfaction of technical requirements; Based on real data from an experimental microgrid; Long lifetime; Lowest price
    • Incremental capacity analysis of lithium-ion second-life batteries from electric vehicles under cycling ageing 

      Braco Sola, Elisa Upna; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Nowadays, the reuse of batteries from electric vehicles is considered a promising solution to benefit from their remaining energy and extend their lifespan. Yet, the economic viability of these second-life batteries is ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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