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Asymmetrical firing angle modulation for 12-pulse thyristor rectifiers supplying high-power electrolyzers
(IEEE, 2023)
Contribución a congreso / Biltzarrerako ekarpena,
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 ...
Toroidal inductor design in multilevel DC-DC electric vehicle battery charger including high-frequency effects
(IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena,
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 ...
Modelling and operation of 6-pulse thyristor rectifiers for supplying high power electrolyzers
(IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena,
This paper presents a detailed analysis of a
6-pulse thyristor rectifier aimed at supplying high
power electrolyzers. For this purpose, an analytical model of
the three-phase controlled rectifier with AC-side
inductance ...
Active control for medium-frequency transformers flux-balancing in a novel three-phase topology for cascaded conversion structures
(IEEE, 2020)
info:eu-repo/semantics/conferenceObject,
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 ...
On the stability criteria for inverter current control loops with LCL output filters and varying grid impedance
(IEEE, 2017)
Contribución a congreso / Biltzarrerako ekarpena,
The use of LC and LCL filters and grid impedance variations are creating new challenges on the controller design for current control loops of photovoltaic and wind turbine inverters. In the design process, stability criteria ...
Novel three-phase topology for cascaded multilevel medium-voltage conversion systems in large-scale PV plants
(IEEE, 2020)
info:eu-repo/semantics/conferenceObject,
Solar photovoltaic renewable energy systems are expanding in the power sector thanks to its increasingly competitive prices. Traditionally, large-scale PV plants have reduced their cost by increasing the power ratings of ...
The generalized bode criterion: application to the dc voltage control of a three-phase photovoltaic grid-tied inverter
(IEEE, 2019)
info:eu-repo/semantics/conferenceObject,
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
(Asociación Española del Hidrógeno, 2016)
info:eu-repo/semantics/conferenceObject,
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.
Dynamic modeling and simulation of a pressurized alkaline water electrolyzer: a multiphysics approach
(IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena,
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 ...
Zero-loss switching in DC-DC series resonant converters under discontinuous conduction mode
(IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena,
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 ...