Contribution à l'étude du rayonnement des câbles soumis aux signaux de l'électronique de puissance dans un environnement aéronautique

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Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (495 download)

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Book Synopsis Contribution à l'étude du rayonnement des câbles soumis aux signaux de l'électronique de puissance dans un environnement aéronautique by : Jérôme Genoulaz

Download or read book Contribution à l'étude du rayonnement des câbles soumis aux signaux de l'électronique de puissance dans un environnement aéronautique written by Jérôme Genoulaz and published by . This book was released on 2008 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'augmentation des charges électriques embarquées dans l'avion « plus électrique » impose une vigilance accrue au niveau de la compatibilité électromagnétique. L'utilisation d'alimentations à découpage, nécessaires à la commande en vitesse des actionneurs électromécaniques, entraîne la circulation de courant de mode commun dans les câbles de puissance et donc la création de champs électromagnétiques. Les tolérances d'émission des équipements électriques aéronautiques proviennent la norme aéronautique civile DO-160E. Cette étude nous a permis de prédire les modes de rayonnement de plusieurs architectures de connexions des câbles de puissance parcourus par les signaux de l'électronique de puissance, dans les conditions spécifiques imposées par la norme DO-160E et selon leur mode de connexion à la masse. Nous présentons dans un premier temps la modélisation d'un système électrique constitué d'un convertisseur statique à configuration versatile, d'un câble de puissance ainsi que d'une charge. Cette modélisation est ensuite utilisée pour déterminer le champ électromagnétique rayonné par les câbles de puissance. Dans un deuxième temps, nous validons les résultats théoriques par des mesures de champ sur un banc d'essai versatile et représentatif.

Contribution à l'étude du rayonnement en champ électromagnétique proche des circuits en électronique de puissance

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ISBN 13 :
Total Pages : 111 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis Contribution à l'étude du rayonnement en champ électromagnétique proche des circuits en électronique de puissance by : Bei Lu

Download or read book Contribution à l'étude du rayonnement en champ électromagnétique proche des circuits en électronique de puissance written by Bei Lu and published by . This book was released on 1990 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: La c.e.m., appliquée a l'électronique industrielle, consiste a étudier les perturbations conduites et rayonnées, créées par les montages d'électronique de puissance. Notre travail est consacre a l'étude du rayonnement en champ electromagnetique de ces montages. Le premier chapitre porte sur l'analyse du champ électrique et du champ magnétique génères par une alimentation statique sans coupure de 60 kva, utilisant des interrupteurs a semi-conducteurs a commutations rapides. Cette étude expérimentale permet d'avoir un aperçu très géneral du mécanisme et des sources du rayonnement dans les différents types de convertisseurs statiques. Le deuxième chapitre décrit les outils expérimental et théorique développes. Un montage expérimental et un capteur de champ électrique ont été mis au point. L'étude théorique permet d'établir des solutions analytiques pour évaluer l'intensité et la forme des champs électrique et magnétique crées par deux sources de géométrie simple. Les troisième et quatrième chapitres sont consacres respectivement à l'étude du champ magnétique et du champ électrique produits par différents circuits d'électronique de puissance dans une région voisine de ceux-ci. Cette étude se concrétise par la localisation, la modélisation des sources émettrices et la quantification des champs électrique et magnétique engendres

Innovate Bristol

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Publisher :
ISBN 13 : 9781949677072
Total Pages : pages
Book Rating : 4.6/5 (77 download)

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Book Synopsis Innovate Bristol by : Sven Boermeester

Download or read book Innovate Bristol written by Sven Boermeester and published by . This book was released on 2019-12 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Innovate Bristol highlights and celebrates those companies and individuals that are actively working at building a better tomorrow for all. Innovation Ecosystems thrive through the involvement and support of companies and individuals from all industries, which is why the Innovate series not only focuses on the innovators but also those people whom the Innovation Ecosystem, would not be able to thrive without.

ICREEC 2019

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Publisher : Springer Nature
ISBN 13 : 9811554447
Total Pages : 659 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis ICREEC 2019 by : Ahmed Belasri

Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.

AGARD Conference Proceedings

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Publisher :
ISBN 13 : 9789283600046
Total Pages : pages
Book Rating : 4.6/5 ( download)

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Book Synopsis AGARD Conference Proceedings by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development

Download or read book AGARD Conference Proceedings written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Flexoelectricity in Liquid Crystals

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Publisher : World Scientific
ISBN 13 : 1848167997
Total Pages : 299 pages
Book Rating : 4.8/5 (481 download)

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Book Synopsis Flexoelectricity in Liquid Crystals by : Agnes Buka

Download or read book Flexoelectricity in Liquid Crystals written by Agnes Buka and published by World Scientific. This book was released on 2013 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.

Routledge International Handbook of Ignorance Studies

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Publisher : Routledge
ISBN 13 : 1317964675
Total Pages : 427 pages
Book Rating : 4.3/5 (179 download)

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Book Synopsis Routledge International Handbook of Ignorance Studies by : Matthias Gross

Download or read book Routledge International Handbook of Ignorance Studies written by Matthias Gross and published by Routledge. This book was released on 2015-05-15 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Once treated as the absence of knowledge, ignorance today has become a highly influential topic in its own right, commanding growing attention across the natural and social sciences where a wide range of scholars have begun to explore the social life and political issues involved in the distribution and strategic use of not knowing. The field is growing fast and this handbook reflects this interdisciplinary field of study by drawing contributions from economics, sociology, history, philosophy, cultural studies, anthropology, feminist studies, and related fields in order to serve as a seminal guide to the political, legal and social uses of ignorance in social and political life. Chapter 33 of this book is freely available as a downloadable Open Access PDF under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license available here: https://tandfbis.s3-us-west-2.amazonaws.com/rt-files/docs/Open+Access+Chapters/9780415718967_oachapter33.pdf

Atomic Energy Programs

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Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Atomic Energy Programs by : U.S. Atomic Energy Commission

Download or read book Atomic Energy Programs written by U.S. Atomic Energy Commission and published by . This book was released on 1973 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Comparative History of National Oil Companies

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Publisher : Peter Lang
ISBN 13 : 9789052015750
Total Pages : 348 pages
Book Rating : 4.0/5 (157 download)

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Book Synopsis A Comparative History of National Oil Companies by : Alain Beltran

Download or read book A Comparative History of National Oil Companies written by Alain Beltran and published by Peter Lang. This book was released on 2010 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a conference held in Nov. 2003.

Exhibiting Electricity

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Publisher : IET
ISBN 13 : 9780852968956
Total Pages : 358 pages
Book Rating : 4.9/5 (689 download)

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Book Synopsis Exhibiting Electricity by : K. G. Beauchamp

Download or read book Exhibiting Electricity written by K. G. Beauchamp and published by IET. This book was released on 1997 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unusual book traces the history of public and technical exhibitions, from their origins in the late 18th Century to present day, and, particularly, how they have reflected the progress of science and technology especially electrical technology). Not only does the author show how electrical innovation and manufacture have been presented to the wider public through this period, but he also shows how the exhibitions themselves have required technological advice.

Charles Garnier's Paris Opéra

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Publisher : MIT Press (MA)
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Charles Garnier's Paris Opéra by : Christopher Curtis Mead

Download or read book Charles Garnier's Paris Opéra written by Christopher Curtis Mead and published by MIT Press (MA). This book was released on 1991 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: By making systematic use of the mostly unpublished Opera Archive, Mead fills in the missing links to previous investigations and unlocks the significance of this seminal masterpiece.

Nonlinear Optical Materials

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Publisher : Springer Science & Business Media
ISBN 13 : 9780387985817
Total Pages : 270 pages
Book Rating : 4.9/5 (858 download)

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Book Synopsis Nonlinear Optical Materials by : Jerome V. Moloney

Download or read book Nonlinear Optical Materials written by Jerome V. Moloney and published by Springer Science & Business Media. This book was released on 1998-08-13 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematical methods play a significant role in the rapidly growing field of nonlinear optical materials. This volume discusses a number of successful or promising contributions. The overall theme of this volume is twofold: (1) the challenges faced in computing and optimizing nonlinear optical material properties; and (2) the exploitation of these properties in important areas of application. These include the design of optical amplifiers and lasers, as well as novel optical switches. Research topics in this volume include how to exploit the magnetooptic effect, how to work with the nonlinear optical response of materials, how to predict laser-induced breakdown in efficient optical devices, and how to handle electron cloud distortion in femtosecond processes.

Technocratic Dreaming

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Publisher :
ISBN 13 : 9781875285037
Total Pages : 248 pages
Book Rating : 4.2/5 (85 download)

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Book Synopsis Technocratic Dreaming by : Paul James

Download or read book Technocratic Dreaming written by Paul James and published by . This book was released on 1990 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technocratic dreaming of very fast trains and Japanese designer cities.

Global Electrification

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Publisher : Cambridge University Press
ISBN 13 : 9780521880350
Total Pages : 512 pages
Book Rating : 4.8/5 (83 download)

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Book Synopsis Global Electrification by : William J. Hausman

Download or read book Global Electrification written by William J. Hausman and published by Cambridge University Press. This book was released on 2008-04-07 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines how multinational enterprises and international finance influenced the course of electrification around the world. Multinational enterprises played a crucial role in the spread of electric light and power from the 1870s through the first three decades of the twentieth century. Their role did not persist, as over time they exited through "domestication" (buy-outs, confiscations, or other withdrawals), so that by 1978 multinational enterprises in this sector had all but disappeared, replaced by electrical utility providers with national business structures. Yet, in recent years, there has been a vigorous revival. This book, a unique cooperative effort by the three authors and a group of experts from many countries, offers a fresh analysis of the history of multinational enterprise, taking an integrative approach, not simply comparing national electrification experiences, but supplying a truly global account.

The Efflorescence of Caricature, 1759-1838

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Publisher : Routledge
ISBN 13 : 9781138248298
Total Pages : 240 pages
Book Rating : 4.2/5 (482 download)

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Book Synopsis The Efflorescence of Caricature, 1759-1838 by : Todd Porterfield

Download or read book The Efflorescence of Caricature, 1759-1838 written by Todd Porterfield and published by Routledge. This book was released on 2016-09-08 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Searing disputes over caricature have recently sparked flames across the world¿the culmination, not the beginning, of the story of one of modernity's definitive artistic practices. Modern visual satire erupts during a period marked by reform and revolution, by cohering nationalisms and expanding empires, and by the emerging discipline of art history. This has long been recognized as its Golden Age. It is time to look anew. In The Efflorescence of Caricature, 1759-1838, an international, interdisciplinary, and intergenerational team of scholars reconfigures the geography of modern visual satire, as the expansive narrative reaches from North America to Europe, to China and the Ottoman Empire. Caricature's specific visual cultures are also laid bare, its iconographic means and material support, as well as the diverse milieu of its making¿the military, the art academy, diplomacy, politics, art criticism, and popular entertainment. Some of its greatest practitioners¿James Gillray and Honor¿aumier¿are seen in a new light, alongside some of their far flung and opportunistic pastichers. Most trenchantly, assumptions about the consequences of caricature's rise come under intense scrutiny, interrogated for its cherished and long-vaunted civilizational claims on individual character, artistic supremacy, political liberty, and global domination.

The End of the Salon

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Publisher :
ISBN 13 : 9780521432511
Total Pages : 210 pages
Book Rating : 4.4/5 (325 download)

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Book Synopsis The End of the Salon by : Patricia Mainardi

Download or read book The End of the Salon written by Patricia Mainardi and published by . This book was released on 1993 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: A 1993 study of the demise of the most important exhibition centre for art in Europe and America.

Music in Geriatric Care

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Publisher : Angus & Robertson
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Music in Geriatric Care by : Ruth Bright

Download or read book Music in Geriatric Care written by Ruth Bright and published by Angus & Robertson. This book was released on 1972 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: