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Partial discharge localization using time reversal: Application to gas insulated switchgear

Farhad Rachidi-Haeri, Marcos Rubinstein, Hamidreza Karami

Gas-insulated switchgear (GIS) are some of the most reliable and most expensive equipment that are nowadays used in power systems. Condition monitoring of the power system equipment can help operators detect defects like partial discharges (PDs) early, pre ...

Elsevier2022

Slip Ring Test Assembly With Increased Breakdown Voltage Limit for High-Voltage Bus Satellites

Ivo Furno, Alan Howling, Fabio Avino

In this article, a setup including a passive gas breakdown mitigation technique for satellite slip ring assemblies (SRAs) is introduced and tested. The setup features a central conducting ring, separated from two external conducting limiting discs (LDs) by ...

2020

Effects of 5 MeV electron irradiation on deep traps and electroluminescence from near-UV InGaN/GaN single quantum well light-emitting diodes with and without InAlN superlattice underlayer

Nicolas Grandjean, Jean-François Carlin, Raphaël Butté, Mauro Mosca, Camille Haller

The electrical properties, electroluminescence (EL) power output and deep trap spectra were studied before and after 5 MeV electron irradiation of near-UV single-quantum-well (SQW) light-emitting diodes (LED) structures differing by the presence or absence ...

IOP PUBLISHING LTD2020

Drastic breakdown field reduction in multilayer DEA

Yves Perriard, Yoan René Cyrille Civet, Jonathan André Jean-Marie Chavanne, Morgan Almanza

The electrical properties such as the electrical breakdown and the permittivity but also the softness of the elastomer are key factors for the performance of DEA. In order to have the best use of elastomer films, single-layer actuators have been deeply stu ...

2019

Nonlinear electrical conductivity through the thickness of multidirectional carbon fiber composites

Marcos Rubinstein, Xi Chen, Anastasios Vassilopoulos, Jie Li

Lightning strikes pose a serious natural threat to carbon fiber-reinforced poly- mers (CFRPs). Knowledge of the electrical current distribution is essential for modeling the interaction between CFRP with lightning. In most applications, the anisotropy of C ...

2019

Tip connector for fluidic and electrical connection

Philippe Renaud, Yann Barrandon, David Vincent Bonzon, David Forchelet, Jean-Baptiste Bureau, Georges Muller, Nicolas Uffer

A connector for providing both a fluidic and electrical connection is disclosed, said connector having a proximal end, a distal end and an elongated body in between, characterized in that the elongated body has an inner cavity spanning throughout its lengt ...

2018

Method and Device for Non-Invasive Blood Pressure Measurement

David Atienza Alonso, Francisco Javier Rincon Vallejos, Srinivasan Murali, Alair Dias Junior

A system for measuring blood pressure of a user that comprises an ElectroCardioGram (ECG) circuit with at least two ECG electrodes configured to obtain an electrical activity of a heart of the user by measuring the electrical signals detected at the at lea ...

2017

In-Plane-Gate GaN Transistors for High-Power RF Applications

Elison de Nazareth Matioli, Giovanni Santoruvo

In-plane-gatefield-effect transistors (IPGFETs) offer an innovative device architecture in which the channel conductivity is modulated by the electric field from the 2D electron gas in the two adjacent in-plane gates, isolated by etched trenches. The plana ...

Institute of Electrical and Electronics Engineers2017

Charge-Based Modeling of Double-Gate and Nanowire Junctionless FETs Including Interface-Trapped Charges

Jean-Michel Sallese, Farzan Jazaeri, Ashkhen Yesayan

Nanowire (NW) semiconductors are interesting devices for being used as sensors. Such NWs are doped silicon channels with electrical contacts at both ends, which is a kind of the so-called junctionless (JL) device. However, in contrast with the state-of-the ...

Institute of Electrical and Electronics Engineers2016

Substrate modeling of parasitic couplings in Smart Power ICs with generalized lumped devices

Camillo Stefanucci

Today automotive industry is demanding more and more compact solutions for embedded electronics to be interfaced with vehicles components such as motor drivers, igniters and car communication buses. That is why Smart Power Integrated Circuits (IC) have bee ...

EPFL2016

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