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Auteur: Simone Buso , Paolo Mattavelli Editeur : Morgan&Claypool Publishers pages:158 Format :pdfThis book presents the reader, whether an electrical engineering student in power electronics or a design engineer, some typical power converter control problems and their basic digital solutions, based on the most widespread digital control techniques. The presentation is focused on different applications of the same power converter topology, the half-bridge voltage source inverter, considered both in its single- and three-phase implementation. This is chosen as the case study because, besides being simple and well known, it allows the discussion of a significant spectrum of the more frequently encountered digital control applications in power electronics, from digital pulse width modulation (DPWM) and space vector modulation (SVM), to inverter output current and voltage control. The book aims to serve two purposes: to give a basic, introductory knowledge of the digital control techniques applied to power converters, and to raise the interest for discrete time control theory, stimulating new developments in its application to switching power converters
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Auteur: Ralph Morrison Editeur : A Wiley-Interscience pages:201 Format :pdf
A practical new approach that brings together circuit theory and field theory for the practicing engineer
To put it frankly, the traditional education of most engineers and scientists leaves them often unprepared to handle many of the practical problems they encounter. The Fields of Electronics: Understanding Electronics Using Basic Physics offers a highly original correction to this state of affairs.
Most engineers learn circuit theory and field theory separately. Electromagnetic field theory is an important part of basic physics, but because it is a very mathematical subject, the connection to everyday problems is not emphasized. Circuit theory, on the other hand, is by its nature very practical. However, circuit theory cannot describe the nature of a facility, the interconnection of many pieces of hardware, or the power grid that interfaces each piece of hardware.
The Fields of Electronics offers a unique approach that brings the physics and the circuit theory together into a seamless whole for today's practicing engineers. With a clear focus on the real-world problems confronting the practitioner in the field, the book thoroughly details the principles that apply to:
* Capacitors, inductors, resistors, and transformers
* Utility power and circuit concepts
* Grounding and shielding
* Radiation
* Analog and digital signals
* Facilities and sites
Written with very little mathematics, and requiring only some background in electronics, this book provides an eminently useful new way to understand the subject of electronics that will simplify the work of every novice, experienced engineer, and scientist.
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Schneider electric | 480 pages | PDF | 10,3 MBSchneider Electric - Electrical installation guide 2010. A. © Schneider ElectricThis ebook has been written for electrical Engineers who have to
design, realize, inspect or maintain electrical installations in compliance
with international Standards of the International Electrotechnical
Commission (IEC).
The aim of the present guide is to provide a clear, practical and stepby-
step explanation for the complete study of an electrical installation,
according to IEC 60364 and other relevant IEC Standards. Therefore, the
first chapter (B) presents the methodology to be used, and each chapter
deals with one out of the eight steps of the study. The two last chapter are
devoted to particular supply sources, loads and locations, and appendix
provides additional information. Special attention must be paid to the
EMC appendix, which is based on the broad and practical experience on
electromagnetic compatibility problems.download this guide now
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Auteur: Mélanie Thivierge Editeur :Les éditions Transcontinental pages:390 Format :pdfcomment réussir un rôti, apprêter le fenouil, faire une crème brûlée ?comment décortiquer le homard, choisir la poudre de cacao,détoxiquer les têtes-de-violon ? comment conserver le safran, les noix,les vinaigres ? comment concocter un kir royal, un martini,un cosmopolitain ? Quoi savoir sur les prunes, le panais, le topinambour ?comment déguster les artichauts, couper le fromage, parer lessuprêmes d’orange comme au resto ? Voilà quelques-unes des centainesde questions auxquelles vous trouverez réponse dans ce livre dépanneurqui ne vous laissera jamais les spatules en l’air.Une ressource inestimable pour les chefs d’un jour qui ont besoin qu’on leurprenne la main ou pour les cordons-bleus qui aiment en savoir toujours plus.
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Auteur: Asimov Editeur :Interédition pages:951 Format :pdf
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Auteur: André Brahic Editeur :Vuibert pages:413 Format :pdf
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Auteur: Thérése Encrenaz,Jean Piere bibring,Michel Blanc,Maria-Antonietta,Barucci et Zarka Editeur :Nouvelle édition pages:583 Format :pdf
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Auteur: Philippe de La Cotardière Jean-Pierre Penot Editeur :Larousse pages:531 Format :pdf
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Auteur: Jean-Pierre Urbain Editeur :MultiMondespages:68 Format :pdfTable des matières· Aménage ton propre observatoire à partir de rien ou presque· Suis le mouvement de la Lune avec une pomme· représente le système solaire avec des fruits· Mesure l’expansion de l’Univers avec des raisins secs· Observe le Soleil à travers des rideaux fermés· reproduis la voûte céleste avec du maïs soufflé· Explique les saisons avec du carton· Comprends le phénomène des trous noirs avec une baignoire· Mesure le temps avec de l’eau· Fais des cratères avec de la boue et des cailloux· Mesure la distance de la Lune et établis son diamètre· Compte les galaxies à partir d’un carré de pelouse· Utilise les cartes du ciel· rapport d’observation et rapport météorologique
