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Principles of Electric Machines and Power Electronics
An accessible introduction to all important aspects of electric machines, covering dc, induction, and synchronous machines. Also addresses modern techniques of control, power electronics, and applications. Exposition builds from first principles, making this book accessible to a wide audience. Contains a large number of problems and worked examples.
Principles of Electric Machines and Power Electronics
This new edition combines the traditional areas of electric machinery with the latest in modern control and power electronics. It includes coverage of multi-machine systems, brushless motors and switched reluctance motors, as well as constant flux and constant current operation of induction motors. It also features additional material on new solid state devices such as Insulated Gate Bipolar Transistors and MOS-Controlled Thrysistors.
Thyristor DC Drives
Presents all important aspects of thyristor control of DC drives. Describes thyristor convertors, control techniques, design procedures, analysis of drives, computer simulation and industrial applications. Combines coverage of basic circuits, practical circuits, and research materials to make material accessible to practicing engineers as well as students.
Principles of Electric Machines and Power Electronics, International Adaptation
Principles of Electrical Machines provides a comprehensive discourse on the characteristics and working principles of various types of electrical machines. Starting with magnetic circuits which form an integral part of electrical machines, the book goes on to cover transformers and the general principles of energy conversion. The book then extensively discusses different types of electrical machines--dc machines, three-phase induction machines, and three-phase synchronous machines; single-phase motors, which are widely used in household and office appliances; and special motors such as servomotors, linear synchronous motors, brushless DC motors, switched reluctance motors, synchro motors, and stepper motors. Using a gradational approach, the first few sections in each chapter are devoted to the basic principles of operation, and later sections are devoted mostly to a more detailed study of the particular machine. In addition to strengthening the organization of the contents, this International adaptation provides new and updated materials, and is well supported by a plethora of new examples, illustrations, end-of-chapter problems, and multiple choice questions.
Modern Power Electronics
I May observed that recent developments in power electronics have proceeded in two different directions,namely,low power range power supplies using high frequency PWM technique and medium to high power range energy control systems to serve specific Purpose.
Molecular Electrostatic Potentials
Over the past 25 years, the molecular electrostatic potential has become firmly established as an effective guide to molecular interactions. With the recent advances in computational technology, it is currently being applied to a variety of important chemical and biological systems. Its range of applicability has expanded from primarily a focus on sites for electrophilic and nucleophilic attack to now include solvent effects, studies of zeolite, molecular cluster and crystal behavior, and the correlation and prediction of a wide range of macroscopic properties. Moreover, the increasing prominence of density functional theory has raised the molecular electrostatic potential to a new stature o...
Theoretical Aspects of Computing
The now well-established series of International Colloquia on Theoretical - pects of Computing (ICTAC) brings together practitionersand researchersfrom academia, industry and government to present research results, and exchange experience and ideas. Beyond these scholarly goals, another main purpose is to promote cooperation in research and education between participants and their institutions, from developing and industrial countries. ThisvolumecontainsthepaperspresentedatICTAC2010.Itwasheldduring September 1–3 in the city of Natal, Rio Grande do Norte, Brazil. Therewere68submissionsbyauthorsfrom24countriesallaroundthe world. Each submission was reviewed by at least three, and on average ...
LEGO®-Based Therapy
This complete guide to LEGO® Therapy contains everything you need to know in order to set up and run a LEGO® Club for children with autism spectrum disorders or related social communication difficulties and anxiety conditions. By providing a joint interest and goal, LEGO® building can become a medium for social development such as sharing, turn-taking, making eye-contact, and following social rules. This book outlines the theory and research base of the approach and gives advice on all practical considerations including space, the physical layout of the room and choosing and maintaining materials, as well as strategies for managing behaviour, further skill development, and how to assess progress. Written by the pioneer of the approach alongside those who helped form it through their research and evaluation, this evidence-based manual is essential reading for professionals working with autism who are interested in running a LEGO® Club or learning more about the therapy.
Beat Dyslexia
Intended to support those students struggling to read, write or spell, this book presents a comprehensive programme that helps to develop literacy skills by combining successful phonological approaches with the very best of conventional, multi-sensory and structured teaching methods.
