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Electronic Byways

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Release : 2021-11-28
Genre : Political Science
Kind : eBook
Book Rating : 71X/5 ( reviews)

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Book Synopsis Electronic Byways by : Edwin B. Parker

Download or read book Electronic Byways written by Edwin B. Parker. This book was released on 2021-11-28. Available in PDF, EPUB and Kindle. Book excerpt: Offers an instructive look at the role modern telecommunications infrastructures play in promoting vibrant rural economies. The authors provide prescriptive policy recommendations for everyone concerned with rural economic development, from state and rural policymakers to telecommunications industry executives.

Energy Efficiency Improvements in Electric Motors and Drives

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Author :
Release : 2012-12-06
Genre : Technology & Engineering
Kind : eBook
Book Rating : 329/5 ( reviews)

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Book Synopsis Energy Efficiency Improvements in Electric Motors and Drives by : Anibal de Almeida

Download or read book Energy Efficiency Improvements in Electric Motors and Drives written by Anibal de Almeida. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: The reduction of energy consumption through improvements in energy efficiency has become an important goal for all countries, in order to improve the efficiency of the economy, to increase energy supply security, and to reduce the emissions of CO and other pollutants caused by power· generation. 2 Electric motors use over half of all electricity consumed in developed countries. Typically 60-80% of the electricity which is used in the industrial sector and about 35% of the electricity used in the commercial sector in the European Union is consumed by motors. In industry, a motor consumes an annual quantity of electricity which corresponds to approximately 5 times its purchase price, throughout its whole life of aroun~ 12 to 20 years. Motors are by far the most important type of electric load. They are used in all sectors and in a wide range of applications, namely the following: fans, compressors, pumps, mills, winders, elevators, transports, home appliances, and office equipment, etc. It is their wide use that makes motor drive systems one of the main targets to achieve significant energy savings. As motors are the largest USers of electrical energy, even small efficiency improvements will produce very large energy savings.

Elementary Concepts of Power Electronic Drives

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Release : 2019-03-18
Genre : Technology & Engineering
Kind : eBook
Book Rating : 540/5 ( reviews)

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Book Synopsis Elementary Concepts of Power Electronic Drives by : K Sundareswaran

Download or read book Elementary Concepts of Power Electronic Drives written by K Sundareswaran. This book was released on 2019-03-18. Available in PDF, EPUB and Kindle. Book excerpt: Fills the gap for a concise preliminary textbook on power electronic drives, with simple illustrations and applications Presents the integration of power electronics and machines in a simple manner Discusses the principles of electric motors and power electronics in an introductory manner Discusses DC and AC drives, with an emphasis on PM drives Includes questions and homework problems with hints and case studies

Recent Advances in Power Electronics and Drives

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Release : 2022-05-26
Genre : Technology & Engineering
Kind : eBook
Book Rating : 394/5 ( reviews)

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Book Synopsis Recent Advances in Power Electronics and Drives by : Shailendra Kumar

Download or read book Recent Advances in Power Electronics and Drives written by Shailendra Kumar. This book was released on 2022-05-26. Available in PDF, EPUB and Kindle. Book excerpt: This book contains select proceedings of EPREC-2021 with a focus on power electronics and drives. The book includes original research and case studies that present recent developments in power electronics focusing on power inverters and converters. The book also consists of research work on electrical drives, regulated power supplies, operation of FACTS & HVDC, etc. The book will be a valuable reference guide for beginners, researchers, and professionals interested in the advancements of power electronics and drives.

Electric Motors and Drives

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Author :
Release : 2019-08-04
Genre : Technology & Engineering
Kind : eBook
Book Rating : 258/5 ( reviews)

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Book Synopsis Electric Motors and Drives by : Austin Hughes

Download or read book Electric Motors and Drives written by Austin Hughes. This book was released on 2019-08-04. Available in PDF, EPUB and Kindle. Book excerpt: Electric Motors and Drives: Fundamentals, Types and Applications, Fifth Edition is intended primarily for non-specialist users or students of electric motors and drives, but many researchers and specialist industrialists have also acknowledged its value in providing a clear understanding of the fundamentals. It bridges the gap between specialist textbooks (too analytical for the average user) and handbooks (full of detail but with little insight) providing an understanding of how each motor and drive system works. The fifth edition has been completely revised, updated and expanded. All of the most important types of motor and drive are covered, including d.c., induction, synchronous (including synchronous reluctance and salient Permanent Magnet), switched reluctance, and stepping. There has been significant innovation in this area since the fourth edition, particularly in the automotive, aircraft and industrial sectors, with novel motor topologies emerging, including hybrid designs that combine permanent magnet and reluctance effects. We now include a physical basis for understanding and quantifying torque production in these machines, and this leads to simple pictures that illuminate the control conditions required to optimise torque. The key converter topologies have been brought together, and the treatment of inverter switching strategies expanded. A new chapter is devoted to the treatment of Field Oriented control, reflecting its increasing importance for all a.c. motor drives. A unique physically-based approach is adopted which builds naturally on the understanding of motor behaviour developed earlier in the book: the largely non-mathematical treatment dispels much of the mystique surrounding what is often regarded as a difficult topic. Helps users acquire knowledge and understanding of the capabilities and limitations of motors and drives without struggling through unnecessary math and theory Presents updated material on the latest and most widely-used motors and drives, including brushless servo motors Includes additional diagrams and worked examples throughout this updated edition Includes a physical basis for the understanding and quantifying torque production

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