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Author: François Costa
Publisher:
ISBN: 9782746245754
Category :
Languages : fr
Pages : 249
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Book Description
Author: François Costa
Publisher:
ISBN: 9782746245754
Category :
Languages : fr
Pages : 249
Get Book Here
Book Description
Author: Moez Youssef
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
L'étude de la compatibilité électromagnétique (CEM) est devenue un passage obligé pour les concepteurs de circuits d'électronique de puissance. La complexité des phénomènes qui entrent en jeu lors de cette étude fait de plus en plus sentir le besoin d'un outil CAO de prédiction des perturbations électromagnétiques conduites et rayonnées. I-e présent travail est consacré au calcul du champ rayonné par un circuit d'électronique de puissance. Comme première étape, le champ rayonné a été calculé à partir du courant mesuré. Ensuite, dans le but de développer un outil de simulation de circuits d'électronique de puissance, certaines méthodes de modélisation de câblage ont été étudiées. Notre choix s'est fixé sur la méthode rPEEC qui permet de modéliser chaque partie du câblage par un circuit électrique équivalent, qu'on peut facilement implanter dans un logiciel de simulation. Cette méthode a été appliquée pour deux géométries qu'on rencontre souvent on électronique de puissance ainsi qu'au cas de I'anterne. La validité de la méthode sur une large gamme de fréquence a été ainsi confirmée.
Author: François Costa
Publisher: John Wiley & Sons
ISBN: 1848215045
Category : Technology & Engineering
Languages : en
Pages : 289
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Book Description
Scientists largely attribute the recent deterioration of the electromagnetic environment to power electronics. This realization has spurred the study of methodical approaches to electromagnetic compatibility designs as explored in this text. The book addresses major challenges, such as handling numerous parameters vital to predicting electro magnetic effects and achieving compliance with line-harmonics norms, while proposing potential solutions.
Author: Guillaume Lourdel
Publisher:
ISBN:
Category :
Languages : fr
Pages : 173
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Book Description
En compatibilité Electromagnétique (CEM) on recense davantage de couplages entre les circuits électroniques. Ces interactions sont renforcées par l'intégration qui tend à réduire le volume, le poids et le coût des systèmes électronique. En électronique de puissance, on confine dans un volume restreint les fonctions de commutations (IGBT) et de commande (allumeur numérique). Dans ce contexte, nous développons une méthodologie de simulation qui prend en compte les aspects CEM tels que les couplages, inductifs et capacitifs entre les conducteurs de toute nature, du busbarre à la puce, ainsi que les modèles des composants siliciums précis en commutation. Cette méthodologie permet par la suite de simuler le comportement électrique et électromagnétique d'un bras d'onduleur, de mettre en évidence les déséquilibres de courant entre les puces, ou de simuler l'interaction d'une sonde de champ proche afin de la concevoir. Ce travail s'inscrit dans le concept d'Expérimentation Virtuelle.
Author: László Tihanyi
Publisher: Newnes
ISBN: 0750623799
Category : Science
Languages : en
Pages : 417
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Book Description
Electronics professionals will find this book invaluable when designing power equipment, because it describes in detail how to cope with the problem of electromagnetic interference. The author shows how to meet the exacting US and European EMC standards for conducted emissions. The book includes a wide range of EMI analysis techniques. An important focus is on the energy content of interference transient signals (traditional analysis concentrates on amplitude and frequency). This provides a more accurate picture of the EMI situation. For those who do not want or need detailed analysis techniques, many approximation methods are also provided. These simplified techniques give accurate results for all but the most stringent applications. The book contains several worked examples and an extensive bibliography, and is sure to be useful to electronic design engineers and others who need to meet international EMC regulations and standards. Laszlo Tihanyi has worked on EMC for over 20 years. Formerly Head of the Department of Power Electronics at the Hungarian Research Institute for the Electrical Industry, he focused primarily on solving EMI problems in electronic systems and developing a dimensioning method for power line filters.
Author: Nicolas Patin
Publisher: Elsevier
ISBN: 0081004613
Category : Technology & Engineering
Languages : en
Pages : 333
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Book Description
This book provides a comprehensive overview of power electronic converters (DC / DC, DC / AC, AC / DC and AC / AC) conventionally used in industrial and transportation applications, specifically for the supply of electric machines with variable speed drop off window. From the perspective of design and sizing, this book presents the different functions encountered in a modular way for power electronics.Power Converters and Their Control details less traditional topics such as matrix converters and multilevel converters. This book also features a case study design of an industrial controller, which is a synthesis (except the AC / AC direct conversion) of the study subjects, including sizing associated passive components. - Introducing essential notions in power electronics from both theoretical and technological perspectives - Detailed chapters focusing on power supplies for electrical machinery, including a case study of full dimensioning of an industrial variable-speed drive - Presented from a user's perspective to enable you to apply the theory of power electronics to practical applications
Author: Nicolas Patin
Publisher: Elsevier
ISBN: 0081004621
Category : Technology & Engineering
Languages : en
Pages : 179
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Book Description
Some power electronic converters are specifically designed to power equipment under a smoothed DC voltage. Therefore, the filtering part necessarily involves the use of auxiliary passive components (inductors and capacitors). This book deals with technical aspects such as classical separation between isolated and non-isolated power supplies, and soft switching through a special converter. It addresses the problem of regulating the output voltage of the switching power supplies in terms of modeling and obtaining transfer of SMPS functions.Power Electronics for Industry and Transport, Volume 3, offers a case study of an isolated flyback power which the complete design is presented: the active and passive components are sized based on the specifications initially set. Particular attention is given to the converter output capacitors and all the surrounding organs. - Introducing Essential notions in power electronics from both the theoretical and technological perspectives - Detailed chapters with a focus on switch-mode power supplies, another key area in which power electronics is used is in the supply of energy to a variety of electronic equipment for signal and information processing - Presented from a user's perspective to enable you to apply the theory of power electronics to practical applications
Author: Nicolas Patin
Publisher: Elsevier
ISBN: 0081004605
Category : Technology & Engineering
Languages : en
Pages : 211
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Book Description
If the operation of electronic components switching scheme to reduce congestion and losses (in power converters in general and switching power supplies in particular), it also generates electromagnetic type of pollution in its immediate environment. Power Electronics for Industry and Transport, Volume 4 is devoted to electromagnetic compatibility. It presents the sources of disturbance and the square wave signal, spectral modeling generic perturbation. Disturbances propagation mechanisms called "lumped" by couplings such as a common impedance, a parasitic capacitance or a mutual and "distributed constant", for which the spatial-temporal character must be taken into account, are also covered. This book also provides spectral analysis among other items that contain inequality Heisenberg-Gabor, very useful for understanding the spread spectrum PWM type signals. - Introducing essential notions in power electronics from both theoretical and technological perspectives - Detailed chapters with a focus on electromagnetic compatibility - Presented from a user's perspective to enable you to apply the theory of power electronics to practical applications
Author: Nicolas Patin
Publisher: Elsevier
ISBN: 0081004591
Category : Technology & Engineering
Languages : en
Pages : 191
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Book Description
Power electronics is based on the switching operating mode of semiconductor components. On this basis, the concepts of type (voltage or current) and reversibility of interconnected sources make it possible to apply a methodology for the synthesis of various types of converters.Here the author presents the major types of components available, always from a user's point of view, with the gate drive/fire control and other auxiliary circuits that are required for their proper functioning (snubbers, for example). The different passive components (capacitors, coils and transformers) are discussed, as well as printed circuit technology, especially in the aspect of their design.This book also focuses on the importance of packaging by reviewing the electrical representation of components' thermal models and the currently available electronics' cooling technologies. Modeling is discussed, as well as different technological aspects used in the engineering design of an electronic power converter, useful for obtaining satisfactory performance and reliability. - Presenting the essential notions in power electronics from both the theoretical and technological perspectives - Dedicated chapters with a focus on connection rules, reversibility and impact choices of switches for converter synthesis - Presented from a user's perspective to enable you to apply the theory of power electronics to practical applications
Author: Yang Zhao
Publisher: Springer Nature
ISBN: 9811664528
Category : Science
Languages : en
Pages : 236
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Book Description
This book highlights principles and applications of electromagnetic compatibility (EMC). After introducing the basic concepts, research progress, standardizations and limitations of EMC, the book puts emphasis on presenting the generation mechanisms and suppression principles of conducted electromagnetic interference (EMI) noise, radiated EMI noise, and electromagnetic susceptibility (EMS) problems such as electrostatic discharge (ESD), electric fast transient (EFT) and surge. By showing EMC case studies and solved examples, the book provides effective solutions to practical engineering problems. Students and researchers will be able to use the book as practical reference for EMC-related measurements and problem- solution.
