Publications associées à Proximity effect (electromagnetism)

Modeling, Optimization and Design of High Power Medium Frequency Transformers

Nowadays, direct current (DC) technology is increasing its presence in alternating current (AC) power systems. This trend is enabled by the progress in energy conversion through semiconductor devices and power electronics. Therefore, it is possible to imag ...

EPFL2023

A New Cabled Stabilizer for the Nb3Sn React&Wind DEMO Conductor Prototype

Pierluigi Bruzzone, Kamil Sedlák, Boris Stepanov, Mithlesh Kumar, Vincenzo D'Auria

A Nb3Sn based, React&Wind flat cable, named RW2, was developed in the past three years at the Swiss Plasma Center in the scope of the EUROfusion conceptual studies for DEMO. The test results presented earlier proved an excellent DC performance, but large e ...

IEEE Institute of Electrical and Electronics Engineers2021

A New Cabled Stabilizer for the Nb3Sn React&Wind DEMO Conductor Prototype

Pierluigi Bruzzone, Kamil Sedlák, Boris Stepanov, Mithlesh Kumar, Vincenzo D'Auria

A Nb3Sn based, React&Wind flat cable, named RW2, was developed in the past three years at the Swiss Plasma Center in the scope of the EUROfusion conceptual studies for DEMO. The test results presented earlier proved an excellent DC performance, but large e ...

2021

Intrinsic luminescence blinking from plasmonic nanojunctions

Tobias Kippenberg, Christophe Marcel Georges Galland, Giulia Tagliabue, Magalí Alejandra Lingenfelder, Sachin Suresh Verlekar, Wen Chen, Karla Banjac, Aqeel Ahmed, Philippe Andreas Rölli

Plasmonic nanojunctions, consisting of adjacent metal structures with nanometre gaps, can support localised plasmon resonances that boost light matter interactions and concentrate electromagnetic fields at the nanoscale. In this regime, the optical respons ...

Nature Research2021

Preliminary Design of DEMO PF Coils Based on EU DEMO 2018 Baseline

Pierluigi Bruzzone, Kamil Sedlák, Mithlesh Kumar

The dimensioning of Winding Packs and allocation of materials in DEMO PF coils is proposed based on the requirements defined by the EUROfusion 2018 DEMO baseline. The coils are pancake-wound and use two types of forced flow cable-in-conduit conductors. The ...

IEEE Institute of Electrical and Electronics Engineers2020

97.4%-Efficient All-GaN Dual-Active-Bridge Converter with High Step-up High-Frequency Matrix Transformer

Elison de Nazareth Matioli, Armin Jafari, Palliyage Srilak Nirmana Perera, Mohammad Samizadeh Nikooytabalvandani

In this work, we demonstrate a state-of-the-art high step-up/down dual-active-bridge (DAB) converter designed with GaN transistors, to achieve a high efficiency and large power-density. A quasi-planar matrix transformer with high step-up/down ratio is demo ...

2020

AC Loss Measurement of the DEMO TF React&Wind Conductor Prototype No. 2

Pierluigi Bruzzone, Kamil Sedlák, Boris Stepanov

The EUROfusion DEMO is being designed as the fusion machine to be built after ITER. During the preconceptual phase, several design options are investigated by theoretical analyses as well as tests on newly developed conductor prototypes. One design option ...

IEEE Institute of Electrical and Electronics Engineers2020

Very-High-Speed Miniaturized Permanent Magnet Motors: Modeling and Experimental Validation

Yves Perriard, Guillaume Paul-André Burnand

The purpose of this paper is to present an experimental method to separate losses components due to the rotation of the rotor in very-high-speed permanent magnet machines with ball bearings. In addition, it presents and validates an analytical model for th ...

2019

Permeance Based Modeling of Magnetic Hysteresis with Inclusion of Eddy Current Effect

Drazen Dujic, Min Luo, Jost Allmeling

Magnetic hysteresis together with eddy current effects are typically present in metal based core materials and contribute significantly to the nonlinearity and power loss of the magnetic components operating in power electronic converters. In order to inve ...

IEEE2018

Dynamic Modeling of Magnetic Components for Circuit Simulation of Power Electronic Systems

Min Luo

Magnetic components play an important role in a power electronic converter system. They provide energy buffering, galvanic isolation and voltage ratio conversion and have significant impact on the overall performance of the system regarding power efficienc ...

EPFL2018