Browsing by Author "e4d430b65b87bbb10600a9a6b03efb9a"
Now showing items 1-15 of 15
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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 ... -
The composite improved generalized steinmetz equation (ciGSE): an accurate model combining the composite waveform hypothesis with classical approaches
Arruti Romero, Asier; Anzola, Jon; Aizpuru, Iosu; Mazuela, Mikel (IEEE, 2024)Predicting core losses is a difficult task for designing magnetic components. Under triangular current waveforms the classical approaches work with duty cycles close to 0.5 but are inaccurate for high and low duty cycles. ... -
Demystifying Non-Isolated DC–DC Topologies on Partial Power Processing Architectures
Anzola, Jon; Aizpuru, Iosu; Arruti Romero, Asier (MDPI, 2022)This paper discusses the possibility of achieving partial power processing with non-isolated DC–DC topologies. To this end, partial power converter architectures are seen as an interesting solution for reducing the power ... -
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 ... -
Estimation of Semiconductor Power Losses Through Automatic Thermal Modeling
Arruti Romero, Asier; Aizpuru, Iosu (IEEE, 2024)Achieving the optimal design of power converters requires a deep understanding of the system's dissipation elements to meet the desired performance and safety standards. Once the power converter is designed, it is of key ... -
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 ... -
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 ... -
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 ... -
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 ... -
Partial Power Processing Based Converter for Electric Vehicle Fast Charging Stations
Anzola, Jon; Aizpuru, Iosu; Arruti Romero, Asier (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 ... -
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 ... -
Resonant Dual Active Bridge Partial Power Converter for Electric Vehicle Fast Charging Stations
Anzola, Jon; Aizpuru, Iosu; Arruti Romero, Asier; Lopez Erauskin, Ramon; Alacano, Argiñe (IEEE, 2021)This paper presents an analysis and design of a DC-DC charging unit for an electric vehicle fast charging station. Due to the benefits that partial power processing achieves in terms of size reduction and efficiency ... -
Review of Architectures Based on Partial Power Processing for DC-DC Applications
Anzola, Jon; Aizpuru, Iosu; Arruti Romero, Asier; Alacano, Argiñe; Lopez Erauskin, Ramon (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 ... -
Single Core and Modular Transformer Solutions: a Trade-Off Analysis of Volume, Losses and Temperature Rise
Arruti Romero, Asier; Anzola, Jon; Aizpuru, Iosu; Mazuela, Mikel (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 ...