Author Ned Mohan has been a leader in EES education and research for decades. His three-book series on Power Electronics focuses on three essential topics in the power sequence based on applications relevant to this age of sustainable energy such as wind turbines and hybrid electric vehicles. The three topics include power electronics, power systems and electric machines. Key features in the first Edition build on Mohan's successful MNPERE texts; his systems approach which puts dry technical detail in the context of applications; and substantial pedagogical support including PPT's, video clips, animations, clicker questions and a lab manual. It follows a top-down systems-level approach to power electronics to highlight interrelationships between these sub-fields. It's intended to cover fundamental and practical design. This book also follows a building-block approach to power electronics that allows an in-depth discussion of several important topics that are usually left. Topics are carefully sequenced to maintain continuity and interest.
This book is part of a three-book series. Ned Mohan has been a leader in EES education and research for decades, as author of the best-selling text/reference Power Electronics. This book emphasizes applications of electric machines and drives that are essential for wind turbines and electric and hybrid-electric vehicles. The approach taken is unique in the following respects: A systems approach, where Electric Machines are covered in the context of the overall drives with applications that students can appreciate and get enthusiastic about; A fundamental and physics-based approach that not only teaches the analysis of electric machines and drives, but also prepares students for learning how to control them in a graduate level course; Use of the space-vector-theory that is made easy to understand. They are introduced in this book in such a way that students can appreciate their physical basis; A unique way to describe induction machines that clearly shows how they go from the motoring-mode to the generating-mode, for example in wind and electric vehicle applications, and how they ought to be controlled for the most efficient operation.
Author Ned Mohan has been a leader in EES education and research for decades. His three-book series on Power Electronics focuses on three essential topics in the power sequence based on applications relevant to this age of sustainable energy such as wind turbines and hybrid electric vehicles. The three topics include power electronics, power systems and electric machines. Key features in the first Edition build on Mohan's successful MNPERE texts; his systems approach which puts dry technical detail in the context of applications; and substantial pedagogical support including PPT's, video clips, animations, clicker questions and a lab manual. It follows a top-down systems-level approach to power electronics to highlight interrelationships between these sub-fields. It's intended to cover fundamental and practical design. This book also follows a building-block approach to power electronics that allows an in-depth discussion of several important topics that are usually left. Topics are carefully sequenced to maintain continuity and interest.
With nearly two-thirds of global electricity consumed by electric motors, it should come as no surprise that their proper control represents appreciable energy savings. The efficient use of electric drives also has far-reaching applications in such areas as factory automation (robotics), clean transportation (hybrid-electric vehicles), and renewable (wind and solar) energy resource management. Advanced Electric Drives utilizes a physics-based approach to explain the fundamental concepts of modern electric drive control and its operation under dynamic conditions. Author Ned Mohan, a decades-long leader in Electrical Energy Systems (EES) education and research, reveals how the investment of proper controls, advanced MATLAB and Simulink simulations, and careful forethought in the design of energy systems translates to significant savings in energy and dollars. Offering students a fresh alternative to standard mathematical treatments of dq-axis transformation of a-b-c phase quantities, Mohan’s unique physics-based approach “visualizes” a set of representative dq windings along an orthogonal set of axes and then relates their currents and voltages to the a-b-c phase quantities. Advanced Electric Drives is an invaluable resource to facilitate an understanding of the analysis, control, and modelling of electric machines. • Gives readers a “physical” picture of electric machines and drives without resorting to mathematical transformations for easy visualization • Confirms the physics-based analysis of electric drives mathematically • Provides readers with an analysis of electric machines in a way that can be easily interfaced to common power electronic converters and controlled using any control scheme • Makes the MATLAB/Simulink files used in examples available to anyone in an accompanying website • Reinforces fundamentals with a variety of discussion questions, concept quizzes, and homework problems
POWER ELECTRONICS A FIRST COURSE Enables students to understand power electronics systems, as one course, in an integrated electric energy systems curriculum Power Electronics A First Course provides instruction on fundamental concepts related to power electronics to undergraduate electrical engineering students, beginning with an introductory chapter and moving on to discussing topics such as switching power-poles, switch-mode dc-dc converters, and feedback controllers. The authors also cover diode rectifiers, power-factor-correction (PFC) circuits, and switch-mode dc power supplies. Later chapters touch on soft-switching in dc-dc power converters, voltage and current requirements imposed by various power applications, dc and low-frequency sinusoidal ac voltages, thyristor converters, and the utility applications of harnessing energy from renewable sources. Power Electronics A First Course is the only textbook that is integrated with hardware experiments and simulation results. The simulation files are available on a website associated with this textbook. The hardware experiments will be available through a University of Minnesota startup at a low cost. In Power Electronics A First Course, readers can expect to find detailed information on: Availability of various power semiconductor devices that are essential in power electronic systems, plus their switching characteristics and various tradeoffs Common foundational unit of various converters and their operation, plus fundamental concepts for feedback control, illustrated by means of regulated dc-dc converters Basic concepts associated with magnetic circuits, to develop an understanding of inductors and transformers needed in power electronics Problems associated with hard switching, and some of the practical circuits where this problem can be minimized with soft-switching Power Electronics A First Course is an ideal textbook for Junior/Senior-Undergraduate students in Electrical and Computer Engineering (ECE). It is also valuable to students outside of ECE, such as those in more general engineering fields. Basic understanding of electrical engineering concepts and control systems is a prerequisite.
A guide to drives essential to electric vehicles, wind turbines, and other motor-driven systems Analysis and Control of Electric Drives is a practical and comprehensive text that offers a clear understanding of electric drives and their industrial applications in the real-world including electric vehicles and wind turbines. The authors—noted experts on the topic—review the basic knowledge needed to understand electric drives and include the pertinent material that examines DC and AC machines in steady state using a unique physics-based approach. The book also analyzes electric machine operation under dynamic conditions, assisted by Space Vectors. The book is filled with illustrative examples and includes information on electric machines with Interior Permanent Magnets. To enhance learning, the book contains end-of-chapter problems and all topics covered use computer simulations with MATLAB Simulink® and Sciamble® Workbench software that is available free online for educational purposes. This important book: Explores additional topics such as electric machines with Interior Permanent Magnets Includes multiple examples and end-of-chapter homework problems Provides simulations made using MATLAB Simulink® and Sciamble® Workbench, free software for educational purposes Contains helpful presentation slides and Solutions Manual for Instructors; simulation files are available on the associated website for easy implementation A unique feature of this book is that the simulations in Sciamble® Workbench software can seamlessly be used to control experiments in a hardware laboratory Written for undergraduate and graduate students, Analysis and Control of Electric Drives is an essential guide to understanding electric vehicles, wind turbines, and increased efficiency of motor-driven systems.
Electric Power Systems with Renewables Concise, balanced, and fundamentals-based resource providing coverage of power system operation and planning, including simulations using PSS®E software Electric Power Systems with Renewables provides a comprehensive treatment of various topics related to power systems with an emphasis on renewable energy integration into power systems. The updated use cases and methods in the book build upon the climate change science and renewables currently being integrated with the grid and the ability to manage resilience for electrifying transportation and related power systems as societies identify more ways to move towards a carbon-free future. Simulation examples and software support are provided by integrating the educational version of PSS®E. The newly revised edition includes new topics on the intelligent use of PSS®E simulation software, presents a short introduction to Python (a widely used software in the power industry), and provides new examples and back-of-the-chapter homework problems to further aid in information retention. Written by two highly qualified authors with significant experience in the field, Electric Power Systems with Renewables also contains information on: Electric energy and the environment, covering hydro power, fossil-fuel based power plants, nuclear power, renewable energy, and distributed generation (DG) Power flow in power system networks covers basic power flow equations, the Newton-Raphson procedure, sensitivity analysis, and a new remote bus voltage control concept Transformers and generators in power systems, covering basic principles of operation, a simplified model, and per-unit representation High voltage DC (HVDC) transmission systems-current-link, and voltage-link systems Associated with this textbook, there is a website from which the simulation files can be downloaded for use in PSS®E and Python. It also contains short videos to simplify the use of these software. This website will be regularly updated. Electric Power Systems with Renewables serves as a highly useful textbook for both undergraduate and graduate students in Electrical and Computer Engineering (ECE). It is also an appropriate resource for students outside of ECE who have the prerequisites, such as in mechanical, civil, and chemical engineering. Practicing engineers will greatly benefit with its industry-relevant approach to meet the present-day needs.
A guide to drives essential to electric vehicles, wind turbines, and other motor-driven systems Analysis and Control of Electric Drives is a practical and comprehensive text that offers a clear understanding of electric drives and their industrial applications in the real-world including electric vehicles and wind turbines. The authors—noted experts on the topic—review the basic knowledge needed to understand electric drives and include the pertinent material that examines DC and AC machines in steady state using a unique physics-based approach. The book also analyzes electric machine operation under dynamic conditions, assisted by Space Vectors. The book is filled with illustrative examples and includes information on electric machines with Interior Permanent Magnets. To enhance learning, the book contains end-of-chapter problems and all topics covered use computer simulations with MATLAB Simulink® and Sciamble® Workbench software that is available free online for educational purposes. This important book: Explores additional topics such as electric machines with Interior Permanent Magnets Includes multiple examples and end-of-chapter homework problems Provides simulations made using MATLAB Simulink® and Sciamble® Workbench, free software for educational purposes Contains helpful presentation slides and Solutions Manual for Instructors; simulation files are available on the associated website for easy implementation A unique feature of this book is that the simulations in Sciamble® Workbench software can seamlessly be used to control experiments in a hardware laboratory Written for undergraduate and graduate students, Analysis and Control of Electric Drives is an essential guide to understanding electric vehicles, wind turbines, and increased efficiency of motor-driven systems.
Electric Power Systems with Renewables Concise, balanced, and fundamentals-based resource providing coverage of power system operation and planning, including simulations using PSS®E software Electric Power Systems with Renewables provides a comprehensive treatment of various topics related to power systems with an emphasis on renewable energy integration into power systems. The updated use cases and methods in the book build upon the climate change science and renewables currently being integrated with the grid and the ability to manage resilience for electrifying transportation and related power systems as societies identify more ways to move towards a carbon-free future. Simulation examples and software support are provided by integrating the educational version of PSS®E. The newly revised edition includes new topics on the intelligent use of PSS®E simulation software, presents a short introduction to Python (a widely used software in the power industry), and provides new examples and back-of-the-chapter homework problems to further aid in information retention. Written by two highly qualified authors with significant experience in the field, Electric Power Systems with Renewables also contains information on: Electric energy and the environment, covering hydro power, fossil-fuel based power plants, nuclear power, renewable energy, and distributed generation (DG) Power flow in power system networks covers basic power flow equations, the Newton-Raphson procedure, sensitivity analysis, and a new remote bus voltage control concept Transformers and generators in power systems, covering basic principles of operation, a simplified model, and per-unit representation High voltage DC (HVDC) transmission systems-current-link, and voltage-link systems Associated with this textbook, there is a website from which the simulation files can be downloaded for use in PSS®E and Python. It also contains short videos to simplify the use of these software. This website will be regularly updated. Electric Power Systems with Renewables serves as a highly useful textbook for both undergraduate and graduate students in Electrical and Computer Engineering (ECE). It is also an appropriate resource for students outside of ECE who have the prerequisites, such as in mechanical, civil, and chemical engineering. Practicing engineers will greatly benefit with its industry-relevant approach to meet the present-day needs.
Author Ned Mohan has been a leader in EES education and research for decades. His three-book series on Power Electronics focuses on three essential topics in the power sequence based on applications relevant to this age of sustainable energy such as wind turbines and hybrid electric vehicles. The three topics include power electronics, power systems and electric machines. Key features in the first Edition build on Mohan's successful MNPERE texts; his systems approach which puts dry technical detail in the context of applications; and substantial pedagogical support including PPT's, video clips, animations, clicker questions and a lab manual. It follows a top-down systems-level approach to power electronics to highlight interrelationships between these sub-fields. It's intended to cover fundamental and practical design. This book also follows a building-block approach to power electronics that allows an in-depth discussion of several important topics that are usually left. Topics are carefully sequenced to maintain continuity and interest.
POWER ELECTRONICS A FIRST COURSE Enables students to understand power electronics systems, as one course, in an integrated electric energy systems curriculum Power Electronics A First Course provides instruction on fundamental concepts related to power electronics to undergraduate electrical engineering students, beginning with an introductory chapter and moving on to discussing topics such as switching power-poles, switch-mode dc-dc converters, and feedback controllers. The authors also cover diode rectifiers, power-factor-correction (PFC) circuits, and switch-mode dc power supplies. Later chapters touch on soft-switching in dc-dc power converters, voltage and current requirements imposed by various power applications, dc and low-frequency sinusoidal ac voltages, thyristor converters, and the utility applications of harnessing energy from renewable sources. Power Electronics A First Course is the only textbook that is integrated with hardware experiments and simulation results. The simulation files are available on a website associated with this textbook. The hardware experiments will be available through a University of Minnesota startup at a low cost. In Power Electronics A First Course, readers can expect to find detailed information on: Availability of various power semiconductor devices that are essential in power electronic systems, plus their switching characteristics and various tradeoffs Common foundational unit of various converters and their operation, plus fundamental concepts for feedback control, illustrated by means of regulated dc-dc converters Basic concepts associated with magnetic circuits, to develop an understanding of inductors and transformers needed in power electronics Problems associated with hard switching, and some of the practical circuits where this problem can be minimized with soft-switching Power Electronics A First Course is an ideal textbook for Junior/Senior-Undergraduate students in Electrical and Computer Engineering (ECE). It is also valuable to students outside of ECE, such as those in more general engineering fields. Basic understanding of electrical engineering concepts and control systems is a prerequisite.
This is a travel journal the author wrote while visiting India for the first time and trekking for 18 days in Nepal and the Himalayas. It begins in Delhi and moves to the Taj Mahal, a tea estate and plantation in Darjeeling, Nepal and ends in Sikkim where the author hikes to Guicha La (16,400 feet) at the base of Kanchenjunga - the third highest mountain in the world. It was primarily intended to be a personal memoir for his friends and family and fellow trekkers but others who are interested in India and trekking in the high Himalayas might enjoy this highly descriptive account of a trip in October of 2008.
‘British cyclist. It used to be an oxymoron, a sort of silliness. Like French Cricket’ Ned Boulting has noticed something. It’s to do with bikes. They’re everywhere. And so are their riders. Some of these riders seem to be sporting sideburns and a few of them are winning things. Big things. Now Ned wants to know how on earth it came to this. And what, exactly is 'this'. In On the Road Bike, Ned Boulting asks how Britain became so obsessed with cycling. His journey takes him from the velodrome at Herne Hill to the Tour of Britain at Stoke-on-Trent via Bradley Wiggins, Chris Boardman, David Millar (and David’s mum), Ken Livingstone, both Tommy Godwins, Gary Kemp (yes, him from Spandau Ballet) and many, many more. The result is an amusing and personal exploration of the austere, nutty soul of British cycling.
Identity is the master variable for many constructivist scholars of international politics. In this comparative study, Richard Ned Lebow shows that states do not have identities any more than people do. Leaders, peoples, and foreign actors seek to impose national identifications consistent with their political projects and psychological needs. These identifications are multiple, fluid and rise in importance as a function of priming and context. Leaders are at least as likely to invoke national identifications as rationalizations for policies pursued for other reasons as they are to be influenced by them. National identifications are nevertheless important because they invariably stress the alleged uniqueness of a people and its country, and are a principal means of seeking status and building self-esteem. Lebow tracks the relative appeal of these principles, the ways in which they are constructed, how they influence national identifications, and how they in turn affect regional and international practices.
This is an updated edition of the now-classic original of the same title. It has three new substantial chapters: a prologue, a chapter on new evidence on World War I, and an epilogue. The updated edition contains the now-famous typology of international crisis, the original critique of deterrence, the emphasis on agency, and the turn to political psychology to explain sharp departures from rational policy-making. The new chapters update and reevaluate these arguments and approach a critical hindsight assessment in light of post-Cold War developments.
What is the difference between seeing and thinking? Is the border between seeing and thinking a joint in nature in the sense of a fundamental explanatory difference? Is it a difference of degree? Does thinking affect seeing, i.e. is seeing "cognitively penetrable"? Are we aware of faces, causation, numerosity and other "high-level" properties or only of the colors, shapes and textures that-according to the advocate of high level perception--are the basis on which we see them? Is perception conceptual and propositional? Is perception iconic or more akin to language in being discursive? Is seeing singular? Which is more fundamental, visual attribution or visual discrimination? Is all seeing seeing-as? What is the difference between the format and content of perception and do perception and cognition have different formats? Is perception probabilistic and if so, why are we not normally aware of this probabilistic nature of perception? Are the basic features of mind known as "core cognition" a third category in between perception and cognition? Are there perceptual categories that are not concepts? Where does consciousness fit in with regard to the difference between seeing and thinking? Do the lessons from seeing apply to other senses? These are the questions I will be exploring in this book. I will be exploring them not mainly by appeals to "intuitions" as is common in philosophy of perception but by appeal to empirical evidence, including experiments in neuroscience and psychology"--
The vibrant Swahili coast port city of Dar es Salaam—literally, the “Haven of Peace”—hosts a population reflecting a legacy of long relations with the Arabian Peninsula and a diaspora emanating in waves from the Indian subcontinent. By the 1960s, after decades of European imperial intrusions, Tanzanian nationalist forces had peacefully dismantled the last British colonial structures of racial segregation and put in place an official philosophy of nonracial nationalism. Yet today, more than five decades after independence, race is still a prominent and publicly contested subject in Dar es Salaam. What makes this issue so dizzyingly elusive—for government bureaucrats and ordinary people alike—is East Africa’s location on the Indian Ocean, a historic crossroads of diverse peoples possessing varied ideas about how to reconcile human difference, social belonging, and place of origin. Based on a range of archival, oral, and newspaper sources from Tanzania and India, this book explores the history of cross-cultural encounters that shaped regional ideas of diaspora and nationhood from the earliest days of colonial Tanganyika—when Indian settlement began to expand dramatically—to present-day Tanzania, a nation always under construction. The book focuses primarily on two prominent city spaces, schools and cinemas: the one a site of education, the other a site of leisure; one typically a programmatic entity of government, the other usually a bastion of commercial enterprise. Nonetheless, the forces shaping schools and cinemas as they developed into busy centers of urban social interaction were surprisingly similar: the state, community organizations, nationalist movements, economic change, and the transnational winds of Indian Ocean culture and capital. Whether in the form of institutional apparatuses like networks of Indian teacher importation and curricula adoption, or through the market predominance of the Indian film industry, schools and cinemas in East Africa historically were influenced by actions and ideas from around the Indian Ocean. Diaspora and Nation in the Indian Ocean argues that an Indian Ocean–wide perspective enables an examination of the transnational production of ideas about race against a backdrop of changing relationships and claims of belonging as new notions of nationhood and diaspora emerged. It bridges an academic divide, because historians often either focus on the Indian diaspora in isolation or write it out of the story of African nation building. Further, in contrast to the swell of publications on global Indian or South Asian diasporas that highlight longings for and contacts with the “homeland,” the book also demonstrates that much of the creative production of diasporic Indian identities formed in East Africa was a result of local (albeit cosmopolitan) encounters across cities like Dar es Salaam.
As little as a decade ago, radicals were regarded as interesting reactive intermediates with little synthetic use. However, recent results show that radicals have an enormous potential for applications in stereoselective reactions - it's all a matter of knowing what method to use and how to apply it. Three world experts in the field have combined their expertise and present the concepts to understand and even to predict the course of stereoselective radical reactions. In addition, guidelines are established which will enable the readers to plan and carry out their own stereoselective syntheses with radicals. A comprehensive list of references provides an easy access to the primary literature. The Stereochemistry of Radical Reactions is a highly topical introduction to this burgeoning field of research. Both advanced students and researchers active in the field will welcome this book as a source of concepts and ideas.
What is a slack-ma-girdle? Or a submarino? How did White Horse whisky get its name? Or Old Bawdy barley wine? How do you make a really dry martini? Or beer? Or champagne? The answers to these enquiries and thousands of others are revealed in this unique guide to every kind of alcohol, compiled by dedicated drinker and collector of little histories, Ned Halley, who is an award-winning writer on beer, a nationally syndicated wine columnist and author of numerous books on drink. In a straightforward A to Z format, 'The Wordsworth Dictionary of Drink' identifies thousands of individual brewers, distillers and winemakers, as well as the names of their products. The dictionary aims to be of real, practical help in locating beers and ciders, wines and spirits of every hue to their maker and place of origin. Here, too, are descriptive terms used on labels, along with the less-formal words used by producers and purveyors to promote their products in the market place. Origins, from village breweries to entire wine-producing regions, are located by nation, province and district. In many cases, there is a mention of when a producer or product was established, perhaps a word about the founder or a brief explanation of a curious-sounding brand name. The book is laced with historical anecdotes, a thousand cocktail recipes, essays on topics from the Guiness dynasty to the principles of brewing, from the discovery of distilling to the history of excise duty - and illustrated with hundreds of drink labels from all around the world.
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