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Processing of alternative die attaches techniques for high temperature applic...
More electric aircaft projects lead to the increasing use of power electronic systems including in high temperature areas. Classical power modules must be adapted to... -
Modélisation des Transistors MOS de puissance pour l'électronique de commutation
The theoretical efficiency of switching converters is 100 %, which makes them very attractive for their use in energy conversion applications. However, their co st and... -
Optimization of the architecture and control of the electrical system of a fl...
The purpose of this thesis is the development and optimization of the electrical system of a fluvial cross-flow current turbine. The approach is first treated in... -
Design and characterization of SiC diodes for the determination of ionization...
Silicon carbide (SiC) has several exceptional properties as a wide band-gap, a high critical electric field and a high saturation velocity of carriers to replace... -
Study of physical mechanisms responsible for the dysfunction of HEMT transist...
The manufacture of semiconductor components based on gallium nitride (GaN) is currently undergoing a major expansion. This material, by his physical and chemical... -
Role of processing parameters on the physicochemical properties of composites...
The high operating frequencies of semiconductor chips generate heat fluxes it is important to be evacuated in order to avoid the destruction of the chip. A standard... -
Modèle de Cellule de Commutation pour les Etudes de Pertes et de Performances...
In the context of the predetermination of switching losses and EMC (ElectroMagnetic .Compatibllity) performances of static converters during their technological design... -
Modèles pour l'analyse, modèles de conception
L'électronique de puissance relève encore beaucoup à l'heure actuelle de l'artisanat. Selon les habitudes du concepteur, son expérience passée ou ses liens avec les... -
Random control of three phase Buck-Boost converter with input current power f...
This thesis deals with the random control of three phase Buck-Boost converter with input current power factor correction. These structures are less investigated in... -
Étude CEM d'une cellule de commutation avec interrupteurs en Si et SiC
National audience -
Design, fabrication and electrical characterization of SiC power devices with...
The power devices are mainly based on silicon. Silicon devices have limitations in terms of operating temperature, switching frequency and breakdown voltage. An... -
High temperature CMOS SOI driver for JFET SiC transistors
In aeronautics, electrical systems progressively replace mechanical and hydraulic control systems. If the electronics can stand the absence of cooling, the immediate... -
Implementation of high voltage Silicon Carbide rectifiers and switches
In this document, we present ou study about the conception and realization of VMOS and Schottky and JBS Diodes on Silicon Carbide. This work allowed us optimize and... -
Design and test of digitally-controlled power management IPs in advanced CMOS...
Owing to the development of modern semiconductor technology, it is possible to implement a digital controller for low-power high switching frequency DC-DC power... -
CONTRIBUTION A L'ETUDE DES PERTURBATIONS CONDUITES DANS LES REDRESSEURS COMMA...
Standards require power "quality" and request "c1ean" power electronic converters. Power factor correction (PFC) rectifiers satisfy these constraints. However, these... -
VERS DE NOUVELLES METHODES DE PREDICTION DES PERFORMANCES CEM DANS LES CONVER...
This work shows a frequency do main technique based on the state vector approach and a simple switch device model for electromagnetic compatibility (EMC) power... -
Circuits équivalents pour transformateurs multienroulements : Application à l...
The work presented in this report refers to the search of equivalent circuits with lumped constants to represent the electric behavior of the transformers. It falls... -
Modélisation et Optimisation de la Connectique des Structures d'Electronique ...
This document helps to design connections in Power Electron!~ devices. A device's optimisation method has been developed. The tirst part presents a cabling analytic... -
METHODOLOGIE DE CONCEPTION D'UNE ALIMENTATION A DECOUPAGE
The aim of this Ph.D. is to improve the convelter conception. The technical evolutions and the recent restrictions increase the number of constrains and run through... -
Modulation Généralisée et Amélioration du rendement des Convertisseurs Matric...
Cet article présente une amélioration des performances d'un convertisseur matriciel par utilisation de degrés de liberté naturellement accessible au niveau de la...
