Browsing Kongresuak-Ingeniaritza by Author "eb90c7d99d82fe61c1848f8ac3d62c39"
Now showing items 1-20 of 25
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Analytical, FEM and Experimental Study of the Influence of the Airgap Size in Different Types of Ferrite Cores
Arruti Romero, Asier; Anzola, Jon; Aizpuru, Iosu; Mazuela, Mikel (IEEE, 2022)This work reviews and compares different airgap reluctance calculation approaches with experimental results, focusing on the Schwarz-Christoffel transformation. The modelling of the airgap reluctance in two dimensions is ... -
Benefits of switching from Si to SiC modules with further converter optimization
Arrizabalaga, Antxon; Mazuela, Mikel; Aizpuru, Iosu; Urkizu, June; Aztiria, Jon (IEEE, 2022)SiC semiconductors have better characteristics than Si, improving power electronics converters performances. A prototype that can switch semiconductor technology without changing any other part of the system is built and ... -
Bidirectional Cuk Converter in Partial-Power Architecture with Current Mode Control for Battery Energy Storage System in Electric Vehicles
Anzola, Jon; Aizpuru, Iosu (IEEE, 2022)This paper presents a partial-power processing architecture intended for an on-board charger. This module is integrated into a Battery Energy Storage System (BESS). This model allows us to easily control the charge-discharge ... -
Biziraupen Estimazio Modeloa Garraio Astuneko Aplikazioetan Erabiltzen Diren Superkondentsadoreentzako
Aizpuru, Iosu (UEU, 2019)Due to the high pollution levels, in the last few years the need of improving the efficiency of the transportation sector has increased. In this context, transport applications powered by electric storage systems emerge ... -
Cost-effectiveness of Opportunity Charging in Non-electrified Railway Lines
Aizpuru, Iosu (IEEE, 2021)This paper analyses the cost-effectiveness of deploying opportunity charging points in long-distance non-electrified railway lines, which are driven by battery-based hybrid diesel-electric railway vehicles. A study case ... -
Data-based traffic profile generation tool for electric vehicle charging stations
Yeregui, Josu; Urkizu, June; Aizpuru, Iosu (IEEE, 2023)This paper presents a tool to generate realistic traffic profiles in Electric Vehicle (EV) charging stations. The tool emulates non-deterministic traffic cases based on data from similar applications. This obtained data ... -
Dynamic Wireless Power Transfer DWPT Time Domain model: xyz position and speed coupling effect
Aizpuru, Iosu; Agirrezabala, Eneko; Mazuela, Mikel; IRAOLA, UNAI (IEEE, 2022)The paper presents a DWPT system time domain model which considers speed and position (x, y, z) coupling effects. The speed effect compared to static WPT, presents an active behavior that should be considered during the ... -
Elementu pasiboen eragina frekuentzia altuko bihurgailuetan
Arruti Romero, Asier; Anzola, Jon; Aizpuru, Iosu; Mazuela, Mikel (UEU, 2021)Notable technological advancements in power electronics have been made in the last years, such as SiC and GaN based transistors. Still, power converters based on these technologies cannot be fully exploited due to passive ... -
Experimental verification of the AC resistance effect in Insulated Metal Substrate based Power Converters
Aizpuru, Iosu; Arruti Romero, Asier; Agirrezabala, Eneko; Mazuela, Mikel (IEEE, 2023)Insulated Metal Substrate (IMS) based power converters are an excellent solution for thermal dissipation of power converters, but they suffer for limited layer options generating parasitic elements specially in High ... -
Hidrogeno tren baten diseinu eta operazioaren optimizazioa
Aizpuru, Iosu (UEU, 2021)This paper proposes an optimization methodology based on genetic algorithms for the design and operation of a hydrogen train. Indeed, the proposed approach optimizes the size of the hydrogen fuel cell, the size of the ... -
A High Frequency Magnetic Test Bench with Fast Isothermal Measurements for Large Cores
Agote San Sebastian, Anartz; Arruti Romero, Asier; Aizpuru, Iosu (IEEE, 2023)This paper presents a magnetic core test-bench that has been developed for high-frequency measurements. The bench is able to perform tests at 1 MHz, 300 V and in a range of 20 °C to 150 °C. It exhibits precise temperature ... -
Impact of silicon carbide devices in 2 MW DFIG based wind energy system
Arrizabalaga, Antxon; Idarreta Garate, Aitor; Mazuela, Mikel; Aizpuru, Iosu; IRAOLA, UNAI (IEEE, 2020)Renewable energies are going through a major increment, mainly wind and photovoltaic energies, being market competitiveness the main driver for their massive penetration. As power converters are used to interface renewable ... -
In-depth Life Cycle Cost Analysis of a Hydrogen Electric Multiple Unit
Aizpuru, Iosu (IEEE, 2021)This paper analyses the life cycle costs of railway projects involving hydrogen electric multiple units. The analysis focuses on the interrelation between the selected lithium-ion battery technology, the designed energy ... -
In-depth Life Cycle Cost Analysis of a Li-ion Battery-based Hybrid Diesel-Electric Multiple Unit
Aizpuru, Iosu (IEEE, 2020)This study analyzes the life cycle costs of railway projects involving hybrid diesel-electric multiple units, focusing on the influence of lithium-ion battery technologies and energy management strategies. Specifically, 3 ... -
Interferentzia elektromagnetikoaren azterketa potentzia-elektronikako sistemetan Si-WBG trantsizio teknologikoaren testuinguruan
Oyarzun, Javier; Aizpuru, Iosu (UEU, 2021)This research project has analysed the effect of electromagnetic interference (EMI) on power electronics systems, as well as the effect of the transition from silicon-based devices to WBG-based devices. The main goal has ... -
Loss Measurement of Low RDS Devices Through Thermal Modelling - The Advantage of Not Turning it Fully On
Arruti Romero, Asier; Aizpuru, Iosu (IEEE, 2023)This paper presents and evaluates a novel method for generating power losses on transistors avoiding high currents. These could heat up the circuit tracks, affecting the accurate thermal modeling of the system. The proposed ... -
Methodology for thermal modelling of lithium-ion batteries
IRAOLA, UNAI; Aizpuru, Iosu; Canales, Jose Maria; Etxeberria Larrazabal, Ander; Gil, Imanol (IEEE, 2013)Temperature is a determinant parameter in terms of performance, lifespan and safety working with li-ion batteries. Working above 45°C, in hot climates, has direct influence in the cycle life of the battery and can cause a ... -
Novel Analytical Method for Estimating the Junction-to-Top Thermal Resistance of Power MOSFETs
Arruti Romero, Asier; Aizpuru, Iosu (IEEE, 2022)This papers proposes a new methodology for estimating the thermal resistance from the junction-to-top capsule surface. By placing the transistor in a vertical position, without being soldered to any PCB, and sensing the ... -
Partial Power Processing Based Charging Unit for Electric Vehicle Extreme Fast Charging Stations
Anzola, Jon; Aizpuru, Iosu; Arruti Romero, Asier; Alacano, Argiñe; Lopez Erauskin, Ramon (IEEE, 2020)This paper presents an analysis and design of a charging unit inside an electric vehicle extreme fast charging station. Due to the benefits that partial power processing achieves in terms of size reduction and efficiency ... -
Potentzia prozesamendu partzialean oinarritutako bihurgailuak
Anzola, Jon; Aizpuru, Iosu; Arruti Romero, Asier (UEU, 2021)In recent years, many research lines have made efforts to improve the performance of power converters. In this context, literature proposes strategies based on partial power processing, in which the power to be processed ...