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Conception et optimisation de convertisseurs statiques pour l'électronique de puissance

Conception et optimisation de convertisseurs statiques pour l'électronique de puissance
Author: Chérif Larouci
Publisher:
Total Pages: 0
Release: 2010
Genre:
ISBN:

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L'objectif de nos travaux de thèse est de réaliser une démarche d'optimisation des convertisseurs statiques la plus générale possible en s'appuyant sur des modèles analytiques et un environnement d'optimisation adéquat. Pour ce faire, nous avons choisi une structure flyback en absorption sinusoïdale comme un support significatif d'étude car elle regroupe la plupart des aspects qui intéressent le concepteur des convertisseurs statiques actuels (volume, pertes, compatibilité électromagnétique CEM, thermiques...). Ce processus d'optimisation réclame la mise au point de modèles capables de réaliser le compromis indispensable précision-rapidité de calcul. Ainsi, des modèles analytiques et des outils dédiés à l'optimisation ont été développés et intégrés dans une démarche d'optimisation sous contraintes. Les résultats de mesure viennent valider cette procédure d'optimisation.


Conception et optimisation de convertisseurs statiques pour l'électronique de puissance

Conception et optimisation de convertisseurs statiques pour l'électronique de puissance
Author: Chérif Larouci
Publisher:
Total Pages: 193
Release: 2002
Genre:
ISBN:

Download Conception et optimisation de convertisseurs statiques pour l'électronique de puissance Book in PDF, ePub and Kindle

L'objectif de nos travaux de thèse est de réaliser une démarche d'optimisation des convertisseurs statiques la plus générale possible en s'appuyant sur des modèles analytiques et un environnement d'optimisation adéquat. Pour ce faire, nous avons choisi une structure flyback en absorption sinusoïdale comme un support significatif d'étude car elle regroupe la plupart des aspects qui intéressent le concepteur des convertisseurs statiques actuels (volume, pertes, compatibilité électromagnétique CEM, thermiques...). Ce processus d'optimisation réclame la mise au point de modèles capables de réaliser le compromis indispensable précision-rapidité de calcul. Ainsi, des modèles analytiques et des outils dédiés à l'optimisation ont été développés et intégrés dans une démarche d'optimisation sous contraintes. Les résultats de mesure viennent valider cette procédure d'optimisation.


Inelastic Analysis of Structures under Variable Loads

Inelastic Analysis of Structures under Variable Loads
Author: Dieter Weichert
Publisher: Springer Science & Business Media
Total Pages: 400
Release: 2001-11-30
Genre: Technology & Engineering
ISBN: 9781402003820

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The question whether a structure or a machine component can carry the applied loads, and with which margin of safety, or whether it will become unserviceable due to collapse or excessive inelastic deformations, has always been a major concern for civil and mechanical engineers. The development of methods to answer this technologically crucial question without analysing the evolution of the system under varying loads, has a long tradition that can be traced back even to the times of emerging mechanical sciences in the early 17th century. However, the scientific foundations of the theories underlying these methods, nowadays frequently called "direct", were established sporadically in the Thirties of the 20th century and systematically and rigorously in the Fifties. Further motivations for the development of direct analysis techniques in applied mechanics of solids and structures arise from the circumstance that in many engineering situations the external actions fluctuate according to time histories not a priori known except for some essential features, e.g. variation intervals. In such situations the critical events (or "limit states") to consider, besides plastic collapse, are incremental collapse (or "ratchetting") and alternating plastic yielding, namely lack of "shakedown". Non evolutionary, direct methods for ultimate limit state analysis of structures subjected to variably-repeated external actions are the objectives of most papers collected in this book, which also contains a few contributions on related topics.


Wind Energy

Wind Energy
Author: Mathew Sathyajith
Publisher: Springer Science & Business Media
Total Pages: 253
Release: 2006-03-14
Genre: Technology & Engineering
ISBN: 3540309063

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Growing energy demand and environmental consciousness have re-evoked human interest in wind energy. As a result, wind is the fastest growing energy source in the world today. Policy frame works and action plans have already been for- lated at various corners for meeting at least 20 per cent of the global energy - mand with new-renewables by 2010, among which wind is going to be the major player. In view of the rapid growth of wind industry, Universities, all around the world, have given due emphasis to wind energy technology in their undergraduate and graduate curriculum. These academic programmes attract students from diver- fied backgrounds, ranging from social science to engineering and technology. Fundamentals of wind energy conversion, which is discussed in the preliminary chapters of this book, have these students as the target group. Advanced resource analysis tools derived and applied are beneficial to academics and researchers working in this area. The Wind Energy Resource Analysis (WERA) software, provided with the book, is an effective tool for wind energy practitioners for - sessing the energy potential and simulating turbine performance at prospective sites.


Power Electronics Semiconductor Devices

Power Electronics Semiconductor Devices
Author: Robert Perret
Publisher: John Wiley & Sons
Total Pages: 381
Release: 2013-03-01
Genre: Technology & Engineering
ISBN: 1118623207

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This book relates the recent developments in several key electrical engineering R&D labs, concentrating on power electronics switches and their use. The first sections deal with key power electronics technologies, MOSFETs and IGBTs, including series and parallel associations. The next section examines silicon carbide and its potentiality for power electronics applications and its present limitations. Then, a dedicated section presents the capacitors, key passive components in power electronics, followed by a modeling method allowing the stray inductances computation, necessary for the precise simulation of switching waveforms. Thermal behavior associated with power switches follows, and the last part proposes some interesting prospectives associated to Power Electronics integration.


Real-Time Optimization

Real-Time Optimization
Author: Dominique Bonvin
Publisher: MDPI
Total Pages: 255
Release: 2018-07-05
Genre: Electronic book
ISBN: 303842448X

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This book is a printed edition of the Special Issue "Real-Time Optimization" that was published in Processes


Electric Renewable Energy Systems

Electric Renewable Energy Systems
Author: Muhammad H. Rashid
Publisher: Academic Press
Total Pages: 604
Release: 2015-11-25
Genre: Technology & Engineering
ISBN: 0128006366

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This derivative volume stemming from content included in our seminal Power Electronics Handbook takes its chapters related to renewables and establishes them at the core of a new volume dedicated to the increasingly pivotal and as yet under-published intersection of Power Electronics and Alternative Energy. While this re-versioning provides a corollary revenue stream to better leverage our core handbook asset, it does more than simply re-package existing content. Each chapter will be significantly updated and expanded by more than 50%, and all new introductory and summary chapters will be added to contextualize and tie the volume together. Therefore, unlike traditional derivative volumes, we will be able to offer new and updated material to the market and include this largely original content in our ScienceDirect Energy collection. Due to the inherently multi-disciplinary nature of renewables, many engineers come from backgrounds in Physics, Materials, or Chemical Engineering, and therefore do not have experience working in-depth with electronics. As more and more alternative and distributed energy systems require grid hook-ups and on-site storage, a working knowledge of batteries, inverters and other power electronics components becomes requisite. Further, as renewables enjoy broadening commercial implementation, power electronics professionals are interested to learn of the challenges and strategies particular to applications in alternative energy. This book will bring each group up-to-speed with the primary issues of importance at this technological node. This content clarifies the juncture of two key coverage areas for our Energy portfolio: alternative sources and power systems. It serves to bridge the information in our power engineering and renewable energy lists, supporting the growing grid cluster in the former and adding key information on practical implementation to the latter. Provides a thorough overview of the key technologies, methods and challenges for implementing power electronics in alternative energy systems for optimal power generation Includes hard-to-find information on how to apply converters, inverters, batteries, controllers and more for stand-alone and grid-connected systems Covers wind and solar applications, as well as ocean and geothermal energy, hybrid systems and fuel cells


Energy Policy Review

Energy Policy Review
Author: Great Britain. Department of Energy
Publisher:
Total Pages: 68
Release: 1977
Genre: Political Science
ISBN:

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