Browsing by UPNA Author "Ursúa Rubio, Alfredo"
Now showing items 1-17 of 17
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Analysis of the main battery characterization techniques and experimental comparison of commercial 18650 Li-ion cells
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 ... -
Characterization and capacity dispersion of lithium-ion second-life batteries from electric vehicles
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 ... -
Combined dynamic programming and region-elimination technique algorithm for optimal sizing and management of lithium-ion batteries for photovoltaic plants
The unpredictable nature of renewable energies is drawing attention to lithium-ion batteries. In order to make full utilization of these batteries, some research works are focused on the management of existing systems, ... -
A comprehensive model for lithium-ion batteries: from the physical principles to an electrical model
The growing interest in e-mobility and the increasing installation of renewable energy-based systems are leading to rapid improvements in lithium-ion batteries. In this context, battery manufacturers and engineers require ... -
Critical comparison of energy management algorithms for lithium-ion batteries in renewable power plants
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 ... -
Economic analysis of residential PV self-consumption systems with Li-ion batteries under different billing scenarios
(IEEE, 2019) Contribución a congreso / Biltzarrerako ekarpenaIn this paper, an economic analysis for four houses with a PV self-consumption system with and without Li-ion batteries is carried out. In particular three different ways of sizing PV and batteries are analyzed under three ... -
Energy storage systems based on lithium-ion batteries and supercapacitors: characterization, modelling and integration with renewable energies
Los inconvenientes medioambientales, sociales y económicos que presentan los combustibles fósiles y nucleares están propiciando un uso cada vez mayor de fuentes de energía renovables. El fuerte desarrollo tecnológico de ... -
High frequency power transformers with foil windings: maximum interleaving and optimal design
Foil conductors and primary and secondary interleaving are normally used to minimize winding losses in high frequency transformers used for high-current power applications. However, winding interleaving complicates the ... -
Hydrogen educational activities developed by APERNA: a renewable-energy student association
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. -
Identification of critical parameters for the design of energy management algorithms for Li-ion batteries operating in PV power plants
(IEEE, 2020) Artículo / ArtikuluaLithium-ion batteries are gaining importance for a variety of applications due to their price decrease and characteristics improvement. For a proper use of such storage systems, an energy management algorithm (EMA) is ... -
Influence of renewable power fluctuations on the lifetime prediction of lithium-ion batteries in a microgrid environment
This contribution analyses lifetime estimation errors due to the effect of power fluctuations in lithium-ion batteries connected to microgrids when different time steps are used for the calculations. Usually, not every ... -
Influence of the aging model of lithium-ion batteries on the management of PV self-consumption systems
Lithium-ion batteries are gaining importance for a variety of applications due to their improving characteristics and decreasing price. An accurate knowledge of their aging is required for a successful use of these ESSs. ... -
Modelado y metodología analítica de diseño de transformadores de potencia y alta frecuencia: análisis de los devanados, optimización de eficiencia y densidad de potencia e integración en el diseño de convertidores electrónicos
Esta tesis se centra en el estudio y análisis del diseño de transformadores de potencia y alta frecuencia. Los principales temas tratados en esta tesis se resumen a continuación: - Realización del estado del arte y ... -
Modelling of PEM fuel cell performance: steady-state and dynamic experimental validation
This paper reports on the modelling of a commercial 1.2 kW proton exchange membrane fuel cell (PEMFC), based on interrelated electrical and thermal models. The electrical model proposed is based on the integration of the ... -
On the requirements of the power converter for second-life lithium-ion batteries
The use of lithium-ion batteries is increasing year after year, especially in the automotive sector. Given the high requirements of electric vehicles, their energy storage systems are discarded when they still have around ... -
On the stability of advanced power electronic converters: the Generalized Bode Criterion
A key factor in the design of power electronic converters is the development of control systems and, in particular, the determination of their stability. Due to ease of application, the Bode criteria are currently the most ... -
Supercapacitors: electrical characteristics, modelling, applications and future trends
Energy storage systems are playing an increasingly important role in a variety of applications, such as electric vehicles or grid-connected systems. In this context, supercapacitors (SCs) are gaining ground due to their ...