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Author: Berker Bilgin Publisher: CRC Press ISBN: 1351396714 Category : House & Home Languages : en Pages : 975
Book Description
Electric motors are the largest consumer of electric energy and they play a critical role in the growing market for electrification. Due to their simple construction, switched reluctance motors (SRMs) are exceptionally attractive for the industry to respond to the increasing demand for high-efficiency, high-performance, and low-cost electric motors with a more secure supply chain. Switched Reluctance Motor Drives: Fundamentals to Applications is a comprehensive textbook covering the major aspects of switched reluctance motor drives. It provides an overview of the use of electric motors in the industrial, residential, commercial, and transportation sectors. It explains the theory behind the operation of switched reluctance motors and provides models to analyze them. The book extensively concentrates on the fundamentals and applications of SRM design and covers various design details, such as materials, mechanical construction, and controls. Acoustic noise and vibration is the most well-known issue in switched reluctance motors, but this can be reduced significantly through a multidisciplinary approach. These methodologies are explained in two chapters of the book. The first covers the fundamentals of acoustic noise and vibration so readers have the necessary tools to analyze the problems and explains the surface waves, spring-mass models, forcing harmonics, and mode shapes that are utilized in modeling and analyzing acoustic noise and vibration. The second applies these fundamentals to switched reluctance motors and provides examples for determining the sources of any acoustic noise in switched reluctance motors. In the final chapter two SRM designs are presented and proposed as replacements for permanent magnet machines in a residential HVAC application and a hybrid-electric propulsion application. It also shows a high-power and compact converter design for SRM drives. Features: Comprehensive coverage of switched reluctance motor drives from fundamental principles to design, operation, and applications A specific chapter on electric motor usage in industrial, residential, commercial, and transportation applications to address the benefits of switched reluctance machines Two chapters address acoustic noise and vibration in detail Numerous illustrations and practical examples on the design, modeling, and analysis of switched reluctance motor drives Examples of switched reluctance motor and drive design
Author: Berker Bilgin Publisher: CRC Press ISBN: 1351396714 Category : House & Home Languages : en Pages : 975
Book Description
Electric motors are the largest consumer of electric energy and they play a critical role in the growing market for electrification. Due to their simple construction, switched reluctance motors (SRMs) are exceptionally attractive for the industry to respond to the increasing demand for high-efficiency, high-performance, and low-cost electric motors with a more secure supply chain. Switched Reluctance Motor Drives: Fundamentals to Applications is a comprehensive textbook covering the major aspects of switched reluctance motor drives. It provides an overview of the use of electric motors in the industrial, residential, commercial, and transportation sectors. It explains the theory behind the operation of switched reluctance motors and provides models to analyze them. The book extensively concentrates on the fundamentals and applications of SRM design and covers various design details, such as materials, mechanical construction, and controls. Acoustic noise and vibration is the most well-known issue in switched reluctance motors, but this can be reduced significantly through a multidisciplinary approach. These methodologies are explained in two chapters of the book. The first covers the fundamentals of acoustic noise and vibration so readers have the necessary tools to analyze the problems and explains the surface waves, spring-mass models, forcing harmonics, and mode shapes that are utilized in modeling and analyzing acoustic noise and vibration. The second applies these fundamentals to switched reluctance motors and provides examples for determining the sources of any acoustic noise in switched reluctance motors. In the final chapter two SRM designs are presented and proposed as replacements for permanent magnet machines in a residential HVAC application and a hybrid-electric propulsion application. It also shows a high-power and compact converter design for SRM drives. Features: Comprehensive coverage of switched reluctance motor drives from fundamental principles to design, operation, and applications A specific chapter on electric motor usage in industrial, residential, commercial, and transportation applications to address the benefits of switched reluctance machines Two chapters address acoustic noise and vibration in detail Numerous illustrations and practical examples on the design, modeling, and analysis of switched reluctance motor drives Examples of switched reluctance motor and drive design
Author: Lorraine York Publisher: Springer ISBN: 3319711741 Category : Social Science Languages : en Pages : 158
Book Description
In this book, Lorraine York examines the figure of the celebrity who expresses discomfort with his or her intense condition of social visibility. Bringing together the fields of celebrity studies and what Ann Cvetkovich has called the “affective turn in cultural studies”, York studies the mixed affect of reluctance, as it is performed by public figures in the entertainment industries. Setting aside the question of whether these performances are offered “in good faith” or not, York theorizes reluctance as the affective meeting ground of seemingly opposite emotions: disinclination and inclination. The figures under study in this book are John Cusack, Robert De Niro, and Daniel Craig—three white, straight, cis-gendered-male cinematic stars who have persistently and publicly expressed a feeling of reluctance about their celebrity. York examines how the performance of reluctance, which is generally admired in celebrities, builds up cultural prestige that can then be turned to other purposes.
Author: R. Krishnan Publisher: CRC Press ISBN: 1351835955 Category : Technology & Engineering Languages : en Pages : 454
Book Description
The switched reluctance machine (SRM) is the least expensive electrical machine to produce, yet one of the most reliable. As such, research has blossomed during the last decade, and the SRM and variable drive systems using SRMs are receiving considerable attention from industry. Because they require a power electronic converter and controller to function, however, successful realization of an SRM variable drive system demands an understanding of the converter and controller subsystems and their integration with the machine. Switched Reluctance Motor Drives provides that understanding. It presents a unified view of the machine and its drive system from all of its system and subsystem aspects. With a careful balance of theory and implementation, the author develops the analysis and design of SRMs from first principles, introduces a wide variety of power converters available for driving the SRM, and systematically presents both low- and high-performance controllers. The book includes an in-depth study of acoustic noise and its minimization along with application examples that include comparisons between ac and dc drives and SRM drive. The result is the first book that provides a state-of-the-art knowledge of SRMs, power converters, and their use with both sensor-based and sensorless controllers. Switched Reluctance Motor Drives enables both students and engineers to learn all aspects of SRM drive systems and appreciate the interdependence of the various subsystems in performance optimization.
Author: TJE Miller Publisher: Elsevier ISBN: 0080505244 Category : Technology & Engineering Languages : en Pages : 288
Book Description
Switched reluctance motors have steadily increased in commercial importance since their introduction in the early 1980's, while their technology - especially of their electronic control - has made great progress. Their unique characteristics introduce a delicate balance, in which the copper and iron are diminished in quantity, complexity and cost, in favour of a greater reliance on sophistication in the controller. Thus mastery of the control is the key challenge in the application of these machines. This book is intended for engineer's in industry and in the large research community in electrical machines and drives. It introduces the techniques for controlling switched reluctance machines, starting from first principles and building up to the most advanced forms of sensorless control. It covers the recent advances in electronic control and includes aspects of motion control, automation, acoustic noise reduction and energy efficiency. - Covers the recent changes in control technology - Includes up-to-date equipment and methods - Contains applications and case studies
Author: Ethelind Fearon Publisher: Random House ISBN: 1784870307 Category : Entertaining Languages : en Pages : 146
Book Description
A charming and very funny guide to entertaining etiquette from the 1950s. Do you dread dinner parties? Is your catering catastrophic? Ethelind Fearon is here to help. In this charming 1950's guidebook you'll find suggestions for cocktails rated by technical difficulty (GVC = good and cheap; NN = not for novices), ideas for party games (how about a cork race?), as well as some of the most unappetising recipes known to mankind -- Liver Flan with curried cheese, anyone? Hilarious yet indispensable, The Reluctant Hostess will ensure you achieve excellence in all your entertaining.
Author: Gary Hoy Publisher: ISBN: 9788188452330 Category : Languages : en Pages : 0
Book Description
This book if studied and applied with purpose and vision, can empower you and your organization beyond what you ever thought possible. The book contains an entire program to overcome call reluctance. The program, though simple is complete with instructions, scripts and strategies that work. Most importantly the book helps you work out scripts for making specific calls. Having script prior to making a sales call can be especially effective. With understanding of what questions to expect and knowing exactly what you wish to communicate, can make a huge difference in every sales call made by you. Like a powerful lever, the information contained in this book can help you develop in a matter of 21 days, the skills and confidence that may have other wise taken years. Thousands have bee empowered by Gary Hay’s system So can You!
Author: E. Sandra Byers Publisher: Psychology Press ISBN: 9781560248156 Category : Family & Relationships Languages : en Pages : 204
Book Description
Sexual Coercion in Dating Relationships represents the next generation of research in the area of sexual coercion. This collection of critical analyses of current research and possible directions for future research benefits all researchers, counselors, and educators who need to thoroughly understand research efforts in this field. The clear analyses allow readers to evaluate critical issues and progress in the field to date.Outside of research and feminist communities, sexual coercion is frequently minimized and too often stereotyped. The words "sexual coercion" (synonyms with "sexual aggression" and "sexual assault") conjure in the minds of many the image of a deranged man attacking a woman stranger in a dark place where she should know better than to be walking alone. This and other stereotypes are challenged by the authors of Sexual Coercion in the Dating Relationship.The chapters examine other important issues that have yet received little research attention. For example, one author tests the empirical assumptions inherent in a prominent theory about the causes of sexual coercion. Some of the authors challenge the assumption that only women are pressured or forced to engage in unwanted or nonconsensual sex. Other authors address issues related to the prevention of sexual coercion of women and challenge current conceptions of women's sexuality. Still others identify methodological problems related to research on sexual coercion, such as current methods of identifying attitudes supportive of the use of sexual coercion. All of the chapters challenge current beliefs related to the issue of sexual coercion and are designed to spur researchers and educators forward into new ground.With the publication of this book, readers are forced to re-think their assumptions on sexual coercion with the new statistics and research on these topics: evaluates of a prominent theory of the causes of sexual coercion (the traditional script) examines men's and women's use of sexual influence in their dating relationships, the types of behavior men and women use to influence their partners to engage in unwanted sex, and the associated consequences for the individuals and the relationship compares men's and women's reactions to sexual coercion presents a model to predict women's resistance and evaluates effective, practical measures of prevention for women evaluates attitudes-toward-rape literature and the predictive ability of assessing attitudes critical reviews of current conceptions of women's sexuality and the need to restructure culturally endorsed attitudes in our prevention efforts reviews methodological problems plaguing many current research investigations and the political ramifications of many investigations in this areaBecause this book presents information related to the prevention and experience of sexual coercion, Sexual Coercion in Dating Relationships is helpful in developing long-term research and preventive programs. This sourcebook also helps researchers, expert witnesses, counselors (especially college support staff), and college and university educators provide information to students and others about sexual coercion.
Author: Kelsey P. Norman Publisher: Cambridge University Press ISBN: 1108842364 Category : Political Science Languages : en Pages : 279
Book Description
An original, comparative analysis of the politics of asylum seeking and migration in the Middle East and North Africa, using Egypt, Morocco and Turkey to explore why, and for what gain, host states treat migrants and refugees with indifference.
Author: Peter N Watkins Publisher: Elsevier Health Sciences ISBN: 0750688815 Category : Medical Languages : en Pages : 289
Book Description
"Mental Health Practice: a guide to compassionate care" examines the relationship between mental health professionals and people using services during the recovery process. The disabling distress experienced by many people with mental health problems is viewed from a holistic, person-centred perspective with the road to recovery being seen as the result of true collaboration between professionals and service users. The first in-depth exploration of the intentional use of self in mental health care and its significance in the recovery journey, extensively updated New content on action research, eco-psychology and organisational culture Story boxes illustrating key themes in compassionate care Self-enquiry boxes engaging readers in reflective practice A primer on humanistic psychology and its relevance to mental health care
Author: Berker Bilgin
Author: Berker Bilgin
Author: Lorraine York
Author: R. Krishnan
Author: TJE Miller
Author: Ethelind Fearon
Author: Gary Hoy
Author: E. Sandra Byers
Author: R. K. Rajput
Author: Kelsey P. Norman
Author: Peter N Watkins