Browsing Comunicaciones y ponencias de congresos DIEC - IEKS Biltzarretako komunikazioak eta txostenak by UPNA Author "Ursúa Rubio, Alfredo"
Now showing items 1-20 of 22
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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 ... -
Analytical modeling of high-frequency winding loss in round-wire toroidal inductors
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 ... -
Applied method to model the thermal runaway of lithium-ion batteries
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 ... -
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 ... -
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 ... -
Development of energy management strategies for the sizing of a fast charging station for electric buses
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 ... -
Dynamic modeling and simulation of a pressurized alkaline water electrolyzer: a multiphysics approach
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 ... -
Economic analysis of residential PV self-consumption systems with Li-ion batteries under different billing scenarios
In 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 ... -
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. -
Incremental capacity analysis of lithium-ion second-life batteries from electric vehicles under cycling ageing
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 ... -
Inertial response and inertia emulation in DFIG and PMSG wind turbines: emulating inertia from a supercapacitor-based energy storage system
The increasing wind power penetration in electrical power systems results in a reduction of operative conventional power plants. These plants include synchronous generators directly connected to the grid. Facing a change ... -
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. ... -
Integration of second-life batteries in residential microgrids and fast charging stations
The potential of batteries from electric vehicles to be given a second life in stationary applications could be starting to become a reality in few years. However, the technical and economic feasibility of such second-life ... -
Integration of second-life battery packs for self-consumption applications: analysis of a real experience
This contribution presents a methodology for the integration of Li-ion batteries discarded from electric vehicle into a collective self-consumption installation, showing the technical feasibility of such battery second ... -
Modelling and operation of 6-pulse thyristor rectifiers for supplying high power electrolyzers
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 ... -
New design alternatives for a hybrid photovoltaic and doubly-fed induction wind plant to augment grid penetration of renewable energy
Reducing carbon emissions is essential to stop climate change. The grid-share of renewable generation plants is increasing, being wind and photovoltaic plants the most common ones, whereas conventional plants are 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 technical reliability of lithium-ion batteries in a zero emission polar expedition
This contribution presents a technical analysis of the Lithium-ion batteries (LIBs) used in the WindSled project. In this project, an expedition has been carried out by means of a 0-emission vehicle that have covered more ... -
Onset of irreversible reactions in overcharging lithium-ion cells: an experimental and modeling approach
Lithium-ion batteries are energy storage systems used in an increasing number of applications. Due to their flammable materials, their use entails risks of fire and explosion. The study of the abuse operation of these ...