Listar por autor UPNA "Elizondo Martínez, David"

Mostrando ítems 1-11 de 11

    • Analytical modeling of high-frequency winding loss in round-wire toroidal inductors 

      Elizondo Martínez, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Toroidal inductors are present in many different industrial applications, thus, still receive researchers' attention. AC winding loss in these inductors have become a major issue in the design process, since switching ...

    • Analytical modeling of high-frequency winding loss in round-wire toroidal inductors 

      Elizondo Martínez, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Elizondo Martínez, David Upna Orcid (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      Toroidal inductors are used in many industrial applications in which they are key components regarding cost and volume. In the inductor design process, it is paramount to accurately estimate its high-frequency winding loss. ...

    • 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 ...

    • Diseño y comparativa de dos técnicas de control de un inversor fotovoltaico para conexión a una red monofásica 

      Elizondo Martínez, David Upna Orcid (2017)   Trabajo Fin de Grado/Gradu Amaierako Lana  OpenAccess
      El presente Trabajo Fin de Grado estudia y diseña dos técnicas de control para un inversor fotovoltaico monofásico de pequeña potencia (6 kW) conectado a red. Dicho inversor fotovoltaico consta en ambos casos de un ...

    • Dual-mode soft-transition control for single-phase grid-connected photovoltaic inverters 

      Elizondo Martínez, David Upna Orcid; Urtasun Erburu, Andoni Upna Orcid (IEEE, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Single-phase grid-connected inverters for photovoltaic power generation have been strongly analysed for improvement. Dual-mode control for two-stage inverters makes it possible to improve the efficiency by alternating ...

    • Dynamic modeling of a pressurized alkaline water electrolyzer: a multiphysics approach 

      Iribarren Zabalegui, Álvaro Upna; Elizondo Martínez, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Ibaiondo, Harkaitz; Sánchez Ruiz, Alain; Arza, Joseba; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2023)   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 ...

    • Role of student associations in the acquisition of competences in university engineering programs 

      Samanes Pascual, Javier Upna Orcid; Parra Laita, Íñigo de la Upna Orcid; Berrueta Irigoyen, Alberto Upna Orcid; Rosado Galparsoro, Leyre Upna Orcid; Soto Cabria, Adrián Upna Orcid; Elizondo Martínez, David Upna Orcid; Catalán Ros, Leyre Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Students in the STEM field (Science, Technology, Engineering and Mathematics), do not only require deep technical knowledge, but a complete set of global skills related to management, teamwork, lifelong learning, personal ...

    • Toroidal inductor design in multilevel DC-DC electric vehicle battery charger including high-frequency effects 

      Elizondo Martínez, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Inductor filters, such as the ones implemented in DC-DC buck-boost converters for electric vehicle chargers, have a major impact on the converter weight, volume and cost. Thus, their design is key in order to obtain an ...

    • Winding resistance measurement in power inductors - understanding the impact of the winding mutual resistance 

      Barrios Rípodas, Ernesto Upna Orcid; Elizondo Martínez, David Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      Inductors are cornerstone components in power electronics converters. Since winding loss is the dominant loss mechanism in these components, its accurate measurement is fundamental for the validation of the inductor's ...

    • Zero-loss switching in DC-DC series resonant converters under discontinuous conduction mode 

      Elizondo Martínez, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Many thriving applications where isolation is required, such as traction and EV fast charging, implement solid-state transformers (SST). Half-cycle discontinuous-conduction-mode series resonant converters (HC-DCM-SRC) are ...

    • Zero-loss switching in LLC resonant converters under discontinuous conduction mode: analysis and design methodology 

      Elizondo Martínez, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Larequi, Íñigo; Ursúa Rubio, Alfredo Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      Many thriving applications where isolation is required, such as LED drivers, traction and EV fast charging, implement LLC resonant converters, particularly when voltage regulation is not required or an additional ...
      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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