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Power Electronics, Radio Frequency and Microwave Engineering
Nowadays, the use of power converter technology has expanded into a wide range of low-, medium-, and high-power applications due to the technology’s capability to efficiently manage electrical energy. In this regard, the high penetration of modern microprocessors capable of implementing high-performance nonlinear digital controllers and the recent advances in the development of high-speed switching power electronic devices, where on-state loss and consequently switching loss of power semiconductors are significantly decreased, have contributed to increased efficiency of the new power converters. As a result, the size of power converters becomes small and the power converters with less heat...
Induction Motors
AC motors play a major role in modern industrial applications. Squirrel-cage induction motors (SCIMs) are probably the most frequently used when compared to other AC motors because of their low cost, ruggedness, and low maintenance. The material presented in this book is organized into four sections, covering the applications and structural properties of induction motors (IMs), fault detection and diagnostics, control strategies, and the more recently developed topology based on the multiphase (more than three phases) induction motors. This material should be of specific interest to engineers and researchers who are engaged in the modeling, design, and implementation of control algorithms applied to induction motors and, more generally, to readers broadly interested in nonlinear control, health condition monitoring, and fault diagnosis.
Control of Multiphase Machines and Drives
With the growing interest in electrical machines in recent times, the multiphase machine field has developed into a fascinating research area. Their intrinsic features (power splitting, better fault tolerance, or lower torque ripple) make them an appealing competitor to conventional three-phase machines. Multiphase electric drives have been recently used in applications where fault tolerance and continuous operation of the drive are required. However, the difficulties in extending the three-phase conventional current regulation and control structure to multiphase systems still limit their broad applicability in industry solutions. The main objective of this book is to illustrate new advances, developments, and applications in the field of multiphase machines and drives, while exposing these advances, developments, and applications to the scientific community and industry.
Induction Motors
Motivated by the need of energy-efficiency improvements, process optimization, soft-start capability and numerous other environmental benefits, it may be desirable to operate induction motors for many applications at continuously adjustable speeds. The induction motor drives can provide high productivity with energy efficiency in different industrial applications and are the basis for modern automation. This book provides an account of this developing subject through such topics as modelling, noise, control techniques used for high-performance applications and diagnostics. Compiled from contributions by international researchers, this is not a textbook, but the result is an interesting exploration of this technology, that provides a combination of theory, implementation issues and practical examples.
Cone and Seed Insects of the Mexican Conifers
The hosts, descriptions, damage, life cycle, habits, and importance of 54 known cone and seed destroying insects attacking Mexican conifer trees are discussed. Distribution maps and color photos are provided. New species described are three species of Cydia (seedworm), four species of Dioryctria (coneworm), and four species of cone feeding Apolychrosis.
EDN
None
Inter-American Yearbook on Human Rights / Anuario Interamericano de Derechos Humanos, Volume 37 (2021) (VOLUME IV)
The 2021 Inter-American Yearbook on Human Rights provides an extract of the principal jurisprudence of the Inter-American Commission on Human Rights and the Inter-American Court of Human Rights. Part One contains the Decisions on the Merits of the Commission, and Part Two the Judgments and Decisions of the Court. The Yearbook is partly published as an English-Spanish bilingual edition. Some parts are in English or Spanish only. NB: This book is part of a four volume set. Vol. 1 ISBN: 978-90-04-51185-9 Vol. 2 ISBN: 978-90-04-51187-3 Vol. 3 ISBN: 978-90-04-53773-6 Vol. 4 ISBN: 978-90-04-53775-0
Inter-American Yearbook on Human Rights / Anuario Interamericano de Derechos Humanos, Volume 37 (2021) (VOLUME I)
The 2021 Inter-American Yearbook on Human Rights provides an extract of the principal jurisprudence of the Inter-American Commission on Human Rights and the Inter-American Court of Human Rights. Part One contains the Decisions on the Merits of the Commission, and Part Two the Judgments and Decisions of the Court. The Yearbook is partly published as an English-Spanish bilingual edition. Some parts are in English or Spanish only. NB: This book is part of a four volume set. Vol. 1 ISBN: 978-90-04-51185-9 Vol. 2 ISBN: 978-90-04-51187-3 Vol. 3 ISBN: 978-90-04-53773-6 Vol. 4 ISBN: 978-90-04-53775-0
