Bilatu
37-tik 1-20 emaitza erakusten
Electric Vehicle Inverter Electro-Thermal Models Oriented to Simulation Speed and Accuracy Multi-Objective Targets
(MDPI AG, 2019)
With the increasing demand for electric vehicles, the requirements of the market are changing ever faster. Therefore, there is a need to improve the electric car’s design time, where simulations could be an appropriate ...
Review of Architectures Based on Partial Power Processing for DC-DC Applications
(IEEE, 2020)
This paper presents a review of advanced architectures based on the partial power processing concept, whose main objective is to achieve a reduction of the power processed by the converter. If the power processed by the ...
Partial state-of-charge mitigation in standalone photovoltaic hybrid storage systems
(MPDI, 2019)
Energy Storage in photovoltaic installations has increased in popularity in recent years due to the improvement in solar panel technology and energy storage systems. In several places where the grid is not available, in ...
Energy efficiency improvement of Li-ion battery packs via balancing techniques
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2015)
Due to worldwide energy consumption increase, different energy strategies are growing in order to reduce fossil fuel consumption, increase renewable energy impact and increase energy efficiency. Renewable energy impact in ...
Partial Power Processing Based Converter for Electric Vehicle Fast Charging Stations
(MDPI, 2021)
This paper focuses on the design of a charging unit for an electric vehicle fast charging station. With this purpose, in first place, different solutions that exist for fast charging stations are described through a brief ...
Calendar Ageing Model for Li-Ion Batteries Using Transfer Learning Methods
(MDPI, 2021)
Getting accurate lifetime predictions for a particular cell chemistry remains a challenging process, largely dependent on time and cost-intensive experimental battery testing. This paper proposes a transfer learning (TL) ...
Bidirectional Cuk Converter in Partial-Power Architecture with Current Mode Control for Battery Energy Storage System in Electric Vehicles
(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 ...
Analytical, FEM and Experimental Study of the Influence of the Airgap Size in Different Types of Ferrite Cores
(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 ...
Single Core and Modular Transformer Solutions: a Trade-Off Analysis of Volume, Losses and Temperature Rise
(IEEE, 2022)
In this paper, a comparison between single core and modular transformer solutions is made. Basic dimensional relations between volumes, areas and lengths are used to obtain mathematical expression of the power losses and ...
Novel Analytical Method for Estimating the Junction-to-Top Thermal Resistance of Power MOSFETs
(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 ...
System Level Optimization of 5 MW Wind Converter using 3L-NPC Topology in Medium Voltage with 1 . 7 kV IGBT
(IEEE, 2020)
Market competitiveness is the main driver in the massive adoption of wind energy, and the optimization of the power converter is crucial for this purpose. Because it has higher efficiency than the two level Voltage Source ...
Dynamic Wireless Power Transfer DWPT Time Domain model: xyz position and speed coupling effect
(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 ...
Benefits of switching from Si to SiC modules with further converter optimization
(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 ...
Impact of silicon carbide devices in 2 MW DFIG based wind energy system
(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 ...
Post-forming, electro-plastic effect internal stress reduction in AA5754 aluminium alloy
(Elsevier, 2022)
Aluminium alloys are one of the most efficient materials for weight reduction in the car industry. However, the favourable performance of alloys conflicts with the difficulties of transforming these materials through plastic ...
Methodology for thermal modelling of lithium-ion batteries
(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 ...
Hidrogeno tren baten diseinu eta operazioaren optimizazioa
(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 ...
Interferentzia elektromagnetikoaren azterketa potentzia-elektronikako sistemetan Si-WBG trantsizio teknologikoaren testuinguruan
(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 ...